net/ice/base: support FDIR

[dpdk.git] / drivers / net / ice / base / ice_flex_pipe.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2001-2019
 */

#include "ice_common.h"
#include "ice_flex_pipe.h"
#include "ice_protocol_type.h"
#include "ice_flow.h"

static const struct ice_tunnel_type_scan tnls[] = {
        { TNL_VXLAN,            "TNL_VXLAN" },
        { TNL_GTPC,             "TNL_GTPC" },
        { TNL_GTPC_TEID,        "TNL_GTPC_TEID" },
        { TNL_GTPU,             "TNL_GTPC" },
        { TNL_GTPU_TEID,        "TNL_GTPU_TEID" },
        { TNL_VXLAN_GPE,        "TNL_VXLAN_GPE" },
        { TNL_GENEVE,           "TNL_GENEVE" },
        { TNL_NAT,              "TNL_NAT" },
        { TNL_ROCE_V2,          "TNL_ROCE_V2" },
        { TNL_MPLSO_UDP,        "TNL_MPLSO_UDP" },
        { TNL_UDP2_END,         "TNL_UDP2_END" },
        { TNL_UPD_END,          "TNL_UPD_END" },
        { TNL_LAST,             "" }
};

static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
        /* SWITCH */
        {
                ICE_SID_XLT0_SW,
                ICE_SID_XLT_KEY_BUILDER_SW,
                ICE_SID_XLT1_SW,
                ICE_SID_XLT2_SW,
                ICE_SID_PROFID_TCAM_SW,
                ICE_SID_PROFID_REDIR_SW,
                ICE_SID_FLD_VEC_SW,
                ICE_SID_CDID_KEY_BUILDER_SW,
                ICE_SID_CDID_REDIR_SW
        },

        /* ACL */
        {
                ICE_SID_XLT0_ACL,
                ICE_SID_XLT_KEY_BUILDER_ACL,
                ICE_SID_XLT1_ACL,
                ICE_SID_XLT2_ACL,
                ICE_SID_PROFID_TCAM_ACL,
                ICE_SID_PROFID_REDIR_ACL,
                ICE_SID_FLD_VEC_ACL,
                ICE_SID_CDID_KEY_BUILDER_ACL,
                ICE_SID_CDID_REDIR_ACL
        },

        /* FD */
        {
                ICE_SID_XLT0_FD,
                ICE_SID_XLT_KEY_BUILDER_FD,
                ICE_SID_XLT1_FD,
                ICE_SID_XLT2_FD,
                ICE_SID_PROFID_TCAM_FD,
                ICE_SID_PROFID_REDIR_FD,
                ICE_SID_FLD_VEC_FD,
                ICE_SID_CDID_KEY_BUILDER_FD,
                ICE_SID_CDID_REDIR_FD
        },

        /* RSS */
        {
                ICE_SID_XLT0_RSS,
                ICE_SID_XLT_KEY_BUILDER_RSS,
                ICE_SID_XLT1_RSS,
                ICE_SID_XLT2_RSS,
                ICE_SID_PROFID_TCAM_RSS,
                ICE_SID_PROFID_REDIR_RSS,
                ICE_SID_FLD_VEC_RSS,
                ICE_SID_CDID_KEY_BUILDER_RSS,
                ICE_SID_CDID_REDIR_RSS
        },

        /* PE */
        {
                ICE_SID_XLT0_PE,
                ICE_SID_XLT_KEY_BUILDER_PE,
                ICE_SID_XLT1_PE,
                ICE_SID_XLT2_PE,
                ICE_SID_PROFID_TCAM_PE,
                ICE_SID_PROFID_REDIR_PE,
                ICE_SID_FLD_VEC_PE,
                ICE_SID_CDID_KEY_BUILDER_PE,
                ICE_SID_CDID_REDIR_PE
        }
};

/**
 * ice_sect_id - returns section ID
 * @blk: block type
 * @sect: section type
 *
 * This helper function returns the proper section ID given a block type and a
 * section type.
 */
static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
{
        return ice_sect_lkup[blk][sect];
}

/**
 * ice_pkg_val_buf
 * @buf: pointer to the ice buffer
 *
 * This helper function validates a buffer's header.
 */
static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
{
        struct ice_buf_hdr *hdr;
        u16 section_count;
        u16 data_end;

        hdr = (struct ice_buf_hdr *)buf->buf;
        /* verify data */
        section_count = LE16_TO_CPU(hdr->section_count);
        if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
                return NULL;

        data_end = LE16_TO_CPU(hdr->data_end);
        if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
                return NULL;

        return hdr;
}

/**
 * ice_find_buf_table
 * @ice_seg: pointer to the ice segment
 *
 * Returns the address of the buffer table within the ice segment.
 */
static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
{
        struct ice_nvm_table *nvms;

        nvms = (struct ice_nvm_table *)(ice_seg->device_table +
                LE32_TO_CPU(ice_seg->device_table_count));

        return (struct ice_buf_table *)
                (nvms->vers + LE32_TO_CPU(nvms->table_count));
}

/**
 * ice_pkg_enum_buf
 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
 * @state: pointer to the enum state
 *
 * This function will enumerate all the buffers in the ice segment. The first
 * call is made with the ice_seg parameter non-NULL; on subsequent calls,
 * ice_seg is set to NULL which continues the enumeration. When the function
 * returns a NULL pointer, then the end of the buffers has been reached, or an
 * unexpected value has been detected (for example an invalid section count or
 * an invalid buffer end value).
 */
static struct ice_buf_hdr *
ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
{
        if (ice_seg) {
                state->buf_table = ice_find_buf_table(ice_seg);
                if (!state->buf_table)
                        return NULL;

                state->buf_idx = 0;
                return ice_pkg_val_buf(state->buf_table->buf_array);
        }

        if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
                return ice_pkg_val_buf(state->buf_table->buf_array +
                                       state->buf_idx);
        else
                return NULL;
}

/**
 * ice_pkg_advance_sect
 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
 * @state: pointer to the enum state
 *
 * This helper function will advance the section within the ice segment,
 * also advancing the buffer if needed.
 */
static bool
ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
{
        if (!ice_seg && !state->buf)
                return false;

        if (!ice_seg && state->buf)
                if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
                        return true;

        state->buf = ice_pkg_enum_buf(ice_seg, state);
        if (!state->buf)
                return false;

        /* start of new buffer, reset section index */
        state->sect_idx = 0;
        return true;
}

/**
 * ice_pkg_enum_section
 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
 * @state: pointer to the enum state
 * @sect_type: section type to enumerate
 *
 * This function will enumerate all the sections of a particular type in the
 * ice segment. The first call is made with the ice_seg parameter non-NULL;
 * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
 * When the function returns a NULL pointer, then the end of the matching
 * sections has been reached.
 */
static void *
ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
                     u32 sect_type)
{
        u16 offset, size;

        if (ice_seg)
                state->type = sect_type;

        if (!ice_pkg_advance_sect(ice_seg, state))
                return NULL;

        /* scan for next matching section */
        while (state->buf->section_entry[state->sect_idx].type !=
               CPU_TO_LE32(state->type))
                if (!ice_pkg_advance_sect(NULL, state))
                        return NULL;

        /* validate section */
        offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
        if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
                return NULL;

        size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
        if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
                return NULL;

        /* make sure the section fits in the buffer */
        if (offset + size > ICE_PKG_BUF_SIZE)
                return NULL;

        state->sect_type =
                LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);

        /* calc pointer to this section */
        state->sect = ((u8 *)state->buf) +
                LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);

        return state->sect;
}

/**
 * ice_pkg_enum_entry
 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
 * @state: pointer to the enum state
 * @sect_type: section type to enumerate
 * @offset: pointer to variable that receives the offset in the table (optional)
 * @handler: function that handles access to the entries into the section type
 *
 * This function will enumerate all the entries in particular section type in
 * the ice segment. The first call is made with the ice_seg parameter non-NULL;
 * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
 * When the function returns a NULL pointer, then the end of the entries has
 * been reached.
 *
 * Since each section may have a different header and entry size, the handler
 * function is needed to determine the number and location entries in each
 * section.
 *
 * The offset parameter is optional, but should be used for sections that
 * contain an offset for each section table. For such cases, the section handler
 * function must return the appropriate offset + index to give the absolution
 * offset for each entry. For example, if the base for a section's header
 * indicates a base offset of 10, and the index for the entry is 2, then
 * section handler function should set the offset to 10 + 2 = 12.
 */
static void *
ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
                   u32 sect_type, u32 *offset,
                   void *(*handler)(u32 sect_type, void *section,
                                    u32 index, u32 *offset))
{
        void *entry;

        if (ice_seg) {
                if (!handler)
                        return NULL;

                if (!ice_pkg_enum_section(ice_seg, state, sect_type))
                        return NULL;

                state->entry_idx = 0;
                state->handler = handler;
        } else {
                state->entry_idx++;
        }

        if (!state->handler)
                return NULL;

        /* get entry */
        entry = state->handler(state->sect_type, state->sect, state->entry_idx,
                               offset);
        if (!entry) {
                /* end of a section, look for another section of this type */
                if (!ice_pkg_enum_section(NULL, state, 0))
                        return NULL;

                state->entry_idx = 0;
                entry = state->handler(state->sect_type, state->sect,
                                       state->entry_idx, offset);
        }

        return entry;
}

/**
 * ice_boost_tcam_handler
 * @sect_type: section type
 * @section: pointer to section
 * @index: index of the boost TCAM entry to be returned
 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
 *
 * This is a callback function that can be passed to ice_pkg_enum_entry.
 * Handles enumeration of individual boost TCAM entries.
 */
static void *
ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
{
        struct ice_boost_tcam_section *boost;

        if (!section)
                return NULL;

        if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
                return NULL;

        if (index > ICE_MAX_BST_TCAMS_IN_BUF)
                return NULL;

        if (offset)
                *offset = 0;

        boost = (struct ice_boost_tcam_section *)section;
        if (index >= LE16_TO_CPU(boost->count))
                return NULL;

        return boost->tcam + index;
}

/**
 * ice_find_boost_entry
 * @ice_seg: pointer to the ice segment (non-NULL)
 * @addr: Boost TCAM address of entry to search for
 * @entry: returns pointer to the entry
 *
 * Finds a particular Boost TCAM entry and returns a pointer to that entry
 * if it is found. The ice_seg parameter must not be NULL since the first call
 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
 */
static enum ice_status
ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
                     struct ice_boost_tcam_entry **entry)
{
        struct ice_boost_tcam_entry *tcam;
        struct ice_pkg_enum state;

        ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);

        if (!ice_seg)
                return ICE_ERR_PARAM;

        do {
                tcam = (struct ice_boost_tcam_entry *)
                       ice_pkg_enum_entry(ice_seg, &state,
                                          ICE_SID_RXPARSER_BOOST_TCAM, NULL,
                                          ice_boost_tcam_handler);
                if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
                        *entry = tcam;
                        return ICE_SUCCESS;
                }

                ice_seg = NULL;
        } while (tcam);

        *entry = NULL;
        return ICE_ERR_CFG;
}

/**
 * ice_label_enum_handler
 * @sect_type: section type
 * @section: pointer to section
 * @index: index of the label entry to be returned
 * @offset: pointer to receive absolute offset, always zero for label sections
 *
 * This is a callback function that can be passed to ice_pkg_enum_entry.
 * Handles enumeration of individual label entries.
 */
static void *
ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index,
                       u32 *offset)
{
        struct ice_label_section *labels;

        if (!section)
                return NULL;

        if (index > ICE_MAX_LABELS_IN_BUF)
                return NULL;

        if (offset)
                *offset = 0;

        labels = (struct ice_label_section *)section;
        if (index >= LE16_TO_CPU(labels->count))
                return NULL;

        return labels->label + index;
}

/**
 * ice_enum_labels
 * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
 * @type: the section type that will contain the label (0 on subsequent calls)
 * @state: ice_pkg_enum structure that will hold the state of the enumeration
 * @value: pointer to a value that will return the label's value if found
 *
 * Enumerates a list of labels in the package. The caller will call
 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
 * the end of the list has been reached.
 */
static char *
ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
                u16 *value)
{
        struct ice_label *label;

        /* Check for valid label section on first call */
        if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
                return NULL;

        label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
                                                       NULL,
                                                       ice_label_enum_handler);
        if (!label)
                return NULL;

        *value = LE16_TO_CPU(label->value);
        return label->name;
}

/**
 * ice_init_pkg_hints
 * @hw: pointer to the HW structure
 * @ice_seg: pointer to the segment of the package scan (non-NULL)
 *
 * This function will scan the package and save off relevant information
 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
 * since the first call to ice_enum_labels requires a pointer to an actual
 * ice_seg structure.
 */
void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
{
        struct ice_pkg_enum state;
        char *label_name;
        u16 val;
        int i;

        ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);

        if (!ice_seg)
                return;

        label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
                                     &val);

        while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
                for (i = 0; tnls[i].type != TNL_LAST; i++) {
                        if (!strncmp(label_name, tnls[i].label_prefix,
                                     strlen(tnls[i].label_prefix))) {
                                hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
                                hw->tnl.tbl[hw->tnl.count].valid = false;
                                hw->tnl.tbl[hw->tnl.count].in_use = false;
                                hw->tnl.tbl[hw->tnl.count].marked = false;
                                hw->tnl.tbl[hw->tnl.count].boost_addr = val;
                                hw->tnl.tbl[hw->tnl.count].port = 0;
                                hw->tnl.count++;
                                break;
                        }
                }

                label_name = ice_enum_labels(NULL, 0, &state, &val);
        }

        /* Cache the appropriate boost TCAM entry pointers */
        for (i = 0; i < hw->tnl.count; i++) {
                ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
                                     &hw->tnl.tbl[i].boost_entry);
                if (hw->tnl.tbl[i].boost_entry)
                        hw->tnl.tbl[i].valid = true;
        }
}

/* Key creation */

#define ICE_DC_KEY      0x1     /* don't care */
#define ICE_DC_KEYINV   0x1
#define ICE_NM_KEY      0x0     /* never match */
#define ICE_NM_KEYINV   0x0
#define ICE_0_KEY       0x1     /* match 0 */
#define ICE_0_KEYINV    0x0
#define ICE_1_KEY       0x0     /* match 1 */
#define ICE_1_KEYINV    0x1

/**
 * ice_gen_key_word - generate 16-bits of a key/mask word
 * @val: the value
 * @valid: valid bits mask (change only the valid bits)
 * @dont_care: don't care mask
 * @nvr_mtch: never match mask
 * @key: pointer to an array of where the resulting key portion
 * @key_inv: pointer to an array of where the resulting key invert portion
 *
 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
 * of key and 8 bits of key invert.
 *
 *     '0' =    b01, always match a 0 bit
 *     '1' =    b10, always match a 1 bit
 *     '?' =    b11, don't care bit (always matches)
 *     '~' =    b00, never match bit
 *
 * Input:
 *          val:         b0  1  0  1  0  1
 *          dont_care:   b0  0  1  1  0  0
 *          never_mtch:  b0  0  0  0  1  1
 *          ------------------------------
 * Result:  key:        b01 10 11 11 00 00
 */
static enum ice_status
ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
                 u8 *key_inv)
{
        u8 in_key = *key, in_key_inv = *key_inv;
        u8 i;

        /* 'dont_care' and 'nvr_mtch' masks cannot overlap */
        if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
                return ICE_ERR_CFG;

        *key = 0;
        *key_inv = 0;

        /* encode the 8 bits into 8-bit key and 8-bit key invert */
        for (i = 0; i < 8; i++) {
                *key >>= 1;
                *key_inv >>= 1;

                if (!(valid & 0x1)) { /* change only valid bits */
                        *key |= (in_key & 0x1) << 7;
                        *key_inv |= (in_key_inv & 0x1) << 7;
                } else if (dont_care & 0x1) { /* don't care bit */
                        *key |= ICE_DC_KEY << 7;
                        *key_inv |= ICE_DC_KEYINV << 7;
                } else if (nvr_mtch & 0x1) { /* never match bit */
                        *key |= ICE_NM_KEY << 7;
                        *key_inv |= ICE_NM_KEYINV << 7;
                } else if (val & 0x01) { /* exact 1 match */
                        *key |= ICE_1_KEY << 7;
                        *key_inv |= ICE_1_KEYINV << 7;
                } else { /* exact 0 match */
                        *key |= ICE_0_KEY << 7;
                        *key_inv |= ICE_0_KEYINV << 7;
                }

                dont_care >>= 1;
                nvr_mtch >>= 1;
                valid >>= 1;
                val >>= 1;
                in_key >>= 1;
                in_key_inv >>= 1;
        }

        return ICE_SUCCESS;
}

/**
 * ice_bits_max_set - determine if the number of bits set is within a maximum
 * @mask: pointer to the byte array which is the mask
 * @size: the number of bytes in the mask
 * @max: the max number of set bits
 *
 * This function determines if there are at most 'max' number of bits set in an
 * array. Returns true if the number for bits set is <= max or will return false
 * otherwise.
 */
static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
{
        u16 count = 0;
        u16 i, j;

        /* check each byte */
        for (i = 0; i < size; i++) {
                /* if 0, go to next byte */
                if (!mask[i])
                        continue;

                /* We know there is at least one set bit in this byte because of
                 * the above check; if we already have found 'max' number of
                 * bits set, then we can return failure now.
                 */
                if (count == max)
                        return false;

                /* count the bits in this byte, checking threshold */
                for (j = 0; j < BITS_PER_BYTE; j++) {
                        count += (mask[i] & (0x1 << j)) ? 1 : 0;
                        if (count > max)
                                return false;
                }
        }

        return true;
}

/**
 * ice_set_key - generate a variable sized key with multiples of 16-bits
 * @key: pointer to where the key will be stored
 * @size: the size of the complete key in bytes (must be even)
 * @val: array of 8-bit values that makes up the value portion of the key
 * @upd: array of 8-bit masks that determine what key portion to update
 * @dc: array of 8-bit masks that make up the dont' care mask
 * @nm: array of 8-bit masks that make up the never match mask
 * @off: the offset of the first byte in the key to update
 * @len: the number of bytes in the key update
 *
 * This function generates a key from a value, a don't care mask and a never
 * match mask.
 * upd, dc, and nm are optional parameters, and can be NULL:
 *      upd == NULL --> udp mask is all 1's (update all bits)
 *      dc == NULL --> dc mask is all 0's (no don't care bits)
 *      nm == NULL --> nm mask is all 0's (no never match bits)
 */
enum ice_status
ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
            u16 len)
{
        u16 half_size;
        u16 i;

        /* size must be a multiple of 2 bytes. */
        if (size % 2)
                return ICE_ERR_CFG;
        half_size = size / 2;

        if (off + len > half_size)
                return ICE_ERR_CFG;

        /* Make sure at most one bit is set in the never match mask. Having more
         * than one never match mask bit set will cause HW to consume excessive
         * power otherwise; this is a power management efficiency check.
         */
#define ICE_NVR_MTCH_BITS_MAX   1
        if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
                return ICE_ERR_CFG;

        for (i = 0; i < len; i++)
                if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
                                     dc ? dc[i] : 0, nm ? nm[i] : 0,
                                     key + off + i, key + half_size + off + i))
                        return ICE_ERR_CFG;

        return ICE_SUCCESS;
}

/**
 * ice_acquire_global_cfg_lock
 * @hw: pointer to the HW structure
 * @access: access type (read or write)
 *
 * This function will request ownership of the global config lock for reading
 * or writing of the package. When attempting to obtain write access, the
 * caller must check for the following two return values:
 *
 * ICE_SUCCESS        - Means the caller has acquired the global config lock
 *                      and can perform writing of the package.
 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
 *                      package or has found that no update was necessary; in
 *                      this case, the caller can just skip performing any
 *                      update of the package.
 */
static enum ice_status
ice_acquire_global_cfg_lock(struct ice_hw *hw,
                            enum ice_aq_res_access_type access)
{
        enum ice_status status;

        ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_global_cfg_lock");

        status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
                                 ICE_GLOBAL_CFG_LOCK_TIMEOUT);

        if (status == ICE_ERR_AQ_NO_WORK)
                ice_debug(hw, ICE_DBG_PKG,
                          "Global config lock: No work to do\n");

        return status;
}

/**
 * ice_release_global_cfg_lock
 * @hw: pointer to the HW structure
 *
 * This function will release the global config lock.
 */
static void ice_release_global_cfg_lock(struct ice_hw *hw)
{
        ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
}

/**
 * ice_acquire_change_lock
 * @hw: pointer to the HW structure
 * @access: access type (read or write)
 *
 * This function will request ownership of the change lock.
 */
static enum ice_status
ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
{
        ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_change_lock");

        return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
                               ICE_CHANGE_LOCK_TIMEOUT);
}

/**
 * ice_release_change_lock
 * @hw: pointer to the HW structure
 *
 * This function will release the change lock using the proper Admin Command.
 */
static void ice_release_change_lock(struct ice_hw *hw)
{
        ice_debug(hw, ICE_DBG_TRACE, "ice_release_change_lock");

        ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
}

/**
 * ice_aq_download_pkg
 * @hw: pointer to the hardware structure
 * @pkg_buf: the package buffer to transfer
 * @buf_size: the size of the package buffer
 * @last_buf: last buffer indicator
 * @error_offset: returns error offset
 * @error_info: returns error information
 * @cd: pointer to command details structure or NULL
 *
 * Download Package (0x0C40)
 */
static enum ice_status
ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
                    u16 buf_size, bool last_buf, u32 *error_offset,
                    u32 *error_info, struct ice_sq_cd *cd)
{
        struct ice_aqc_download_pkg *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;

        ice_debug(hw, ICE_DBG_TRACE, "ice_aq_download_pkg");

        if (error_offset)
                *error_offset = 0;
        if (error_info)
                *error_info = 0;

        cmd = &desc.params.download_pkg;
        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);

        if (last_buf)
                cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;

        status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
        if (status == ICE_ERR_AQ_ERROR) {
                /* Read error from buffer only when the FW returned an error */
                struct ice_aqc_download_pkg_resp *resp;

                resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
                if (error_offset)
                        *error_offset = LE32_TO_CPU(resp->error_offset);
                if (error_info)
                        *error_info = LE32_TO_CPU(resp->error_info);
        }

        return status;
}

/**
 * ice_aq_upload_section
 * @hw: pointer to the hardware structure
 * @pkg_buf: the package buffer which will receive the section
 * @buf_size: the size of the package buffer
 * @cd: pointer to command details structure or NULL
 *
 * Upload Section (0x0C41)
 */
enum ice_status
ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
                      u16 buf_size, struct ice_sq_cd *cd)
{
        struct ice_aq_desc desc;

        ice_debug(hw, ICE_DBG_TRACE, "ice_aq_upload_section");
        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section);
        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);

        return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
}

/**
 * ice_aq_update_pkg
 * @hw: pointer to the hardware structure
 * @pkg_buf: the package cmd buffer
 * @buf_size: the size of the package cmd buffer
 * @last_buf: last buffer indicator
 * @error_offset: returns error offset
 * @error_info: returns error information
 * @cd: pointer to command details structure or NULL
 *
 * Update Package (0x0C42)
 */
static enum ice_status
ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
                  bool last_buf, u32 *error_offset, u32 *error_info,
                  struct ice_sq_cd *cd)
{
        struct ice_aqc_download_pkg *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;

        ice_debug(hw, ICE_DBG_TRACE, "ice_aq_update_pkg");

        if (error_offset)
                *error_offset = 0;
        if (error_info)
                *error_info = 0;

        cmd = &desc.params.download_pkg;
        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);

        if (last_buf)
                cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;

        status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
        if (status == ICE_ERR_AQ_ERROR) {
                /* Read error from buffer only when the FW returned an error */
                struct ice_aqc_download_pkg_resp *resp;

                resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
                if (error_offset)
                        *error_offset = LE32_TO_CPU(resp->error_offset);
                if (error_info)
                        *error_info = LE32_TO_CPU(resp->error_info);
        }

        return status;
}

/**
 * ice_find_seg_in_pkg
 * @hw: pointer to the hardware structure
 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
 * @pkg_hdr: pointer to the package header to be searched
 *
 * This function searches a package file for a particular segment type. On
 * success it returns a pointer to the segment header, otherwise it will
 * return NULL.
 */
struct ice_generic_seg_hdr *
ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
                    struct ice_pkg_hdr *pkg_hdr)
{
        u32 i;

        ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
        ice_debug(hw, ICE_DBG_PKG, "Package version: %d.%d.%d.%d\n",
                  pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
                  pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);

        /* Search all package segments for the requested segment type */
        for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
                struct ice_generic_seg_hdr *seg;

                seg = (struct ice_generic_seg_hdr *)
                        ((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));

                if (LE32_TO_CPU(seg->seg_type) == seg_type)
                        return seg;
        }

        return NULL;
}

/**
 * ice_update_pkg
 * @hw: pointer to the hardware structure
 * @bufs: pointer to an array of buffers
 * @count: the number of buffers in the array
 *
 * Obtains change lock and updates package.
 */
enum ice_status
ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
{
        enum ice_status status;
        u32 offset, info, i;

        status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
        if (status)
                return status;

        for (i = 0; i < count; i++) {
                bool last = ((i + 1) == count);

                struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);

                status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
                                           last, &offset, &info, NULL);

                if (status) {
                        ice_debug(hw, ICE_DBG_PKG,
                                  "Update pkg failed: err %d off %d inf %d\n",
                                  status, offset, info);
                        break;
                }
        }

        ice_release_change_lock(hw);

        return status;
}

/**
 * ice_dwnld_cfg_bufs
 * @hw: pointer to the hardware structure
 * @bufs: pointer to an array of buffers
 * @count: the number of buffers in the array
 *
 * Obtains global config lock and downloads the package configuration buffers
 * to the firmware. Metadata buffers are skipped, and the first metadata buffer
 * found indicates that the rest of the buffers are all metadata buffers.
 */
static enum ice_status
ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
{
        enum ice_status status;
        struct ice_buf_hdr *bh;
        u32 offset, info, i;

        if (!bufs || !count)
                return ICE_ERR_PARAM;

        /* If the first buffer's first section has its metadata bit set
         * then there are no buffers to be downloaded, and the operation is
         * considered a success.
         */
        bh = (struct ice_buf_hdr *)bufs;
        if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
                return ICE_SUCCESS;

        status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
        if (status)
                return status;

        for (i = 0; i < count; i++) {
                bool last = ((i + 1) == count);

                if (!last) {
                        /* check next buffer for metadata flag */
                        bh = (struct ice_buf_hdr *)(bufs + i + 1);

                        /* A set metadata flag in the next buffer will signal
                         * that the current buffer will be the last buffer
                         * downloaded
                         */
                        if (LE16_TO_CPU(bh->section_count))
                                if (LE32_TO_CPU(bh->section_entry[0].type) &
                                    ICE_METADATA_BUF)
                                        last = true;
                }

                bh = (struct ice_buf_hdr *)(bufs + i);

                status = ice_aq_download_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
                                             last, &offset, &info, NULL);

                if (status) {
                        ice_debug(hw, ICE_DBG_PKG,
                                  "Pkg download failed: err %d off %d inf %d\n",
                                  status, offset, info);
                        break;
                }

                if (last)
                        break;
        }

        ice_release_global_cfg_lock(hw);

        return status;
}

/**
 * ice_aq_get_pkg_info_list
 * @hw: pointer to the hardware structure
 * @pkg_info: the buffer which will receive the information list
 * @buf_size: the size of the pkg_info information buffer
 * @cd: pointer to command details structure or NULL
 *
 * Get Package Info List (0x0C43)
 */
static enum ice_status
ice_aq_get_pkg_info_list(struct ice_hw *hw,
                         struct ice_aqc_get_pkg_info_resp *pkg_info,
                         u16 buf_size, struct ice_sq_cd *cd)
{
        struct ice_aq_desc desc;

        ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_pkg_info_list");
        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);

        return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
}

/**
 * ice_download_pkg
 * @hw: pointer to the hardware structure
 * @ice_seg: pointer to the segment of the package to be downloaded
 *
 * Handles the download of a complete package.
 */
enum ice_status ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
{
        struct ice_buf_table *ice_buf_tbl;

        ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
        ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
                  ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
                  ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);

        ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
                  LE32_TO_CPU(ice_seg->hdr.seg_type),
                  LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);

        ice_buf_tbl = ice_find_buf_table(ice_seg);

        ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
                  LE32_TO_CPU(ice_buf_tbl->buf_count));

        return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
                                  LE32_TO_CPU(ice_buf_tbl->buf_count));
}

/**
 * ice_init_pkg_info
 * @hw: pointer to the hardware structure
 * @pkg_hdr: pointer to the driver's package hdr
 *
 * Saves off the package details into the HW structure.
 */
enum ice_status
ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
{
        struct ice_aqc_get_pkg_info_resp *pkg_info;
        struct ice_global_metadata_seg *meta_seg;
        struct ice_generic_seg_hdr *seg_hdr;
        enum ice_status status;
        u16 size;
        u32 i;

        ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
        if (!pkg_hdr)
                return ICE_ERR_PARAM;

        meta_seg = (struct ice_global_metadata_seg *)
                   ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
        if (meta_seg) {
                hw->pkg_ver = meta_seg->pkg_ver;
                ice_memcpy(hw->pkg_name, meta_seg->pkg_name,
                           sizeof(hw->pkg_name), ICE_NONDMA_TO_NONDMA);

                ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
                          meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
                          meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
                          meta_seg->pkg_name);
        } else {
                ice_debug(hw, ICE_DBG_INIT,
                          "Did not find metadata segment in driver package\n");
                return ICE_ERR_CFG;
        }

        seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
        if (seg_hdr) {
                hw->ice_pkg_ver = seg_hdr->seg_ver;
                ice_memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
                           sizeof(hw->ice_pkg_name), ICE_NONDMA_TO_NONDMA);

                ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
                          seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
                          seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
                          seg_hdr->seg_name);
        } else {
                ice_debug(hw, ICE_DBG_INIT,
                          "Did not find ice segment in driver package\n");
                return ICE_ERR_CFG;
        }

#define ICE_PKG_CNT     4
        size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
                                    (ICE_PKG_CNT - 1));
        pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
        if (!pkg_info)
                return ICE_ERR_NO_MEMORY;

        status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
        if (status)
                goto init_pkg_free_alloc;

        for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
#define ICE_PKG_FLAG_COUNT      4
                char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
                u8 place = 0;

                if (pkg_info->pkg_info[i].is_active) {
                        flags[place++] = 'A';
                        hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
                        ice_memcpy(hw->active_pkg_name,
                                   pkg_info->pkg_info[i].name,
                                   sizeof(hw->active_pkg_name),
                                   ICE_NONDMA_TO_NONDMA);
                }
                if (pkg_info->pkg_info[i].is_active_at_boot)
                        flags[place++] = 'B';
                if (pkg_info->pkg_info[i].is_modified)
                        flags[place++] = 'M';
                if (pkg_info->pkg_info[i].is_in_nvm)
                        flags[place++] = 'N';

                ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
                          i, pkg_info->pkg_info[i].ver.major,
                          pkg_info->pkg_info[i].ver.minor,
                          pkg_info->pkg_info[i].ver.update,
                          pkg_info->pkg_info[i].ver.draft,
                          pkg_info->pkg_info[i].name, flags);
        }

init_pkg_free_alloc:
        ice_free(hw, pkg_info);

        return status;
}

/**
 * ice_find_label_value
 * @ice_seg: pointer to the ice segment (non-NULL)
 * @name: name of the label to search for
 * @type: the section type that will contain the label
 * @value: pointer to a value that will return the label's value if found
 *
 * Finds a label's value given the label name and the section type to search.
 * The ice_seg parameter must not be NULL since the first call to
 * ice_enum_labels requires a pointer to an actual ice_seg structure.
 */
enum ice_status
ice_find_label_value(struct ice_seg *ice_seg, char const *name, u32 type,
                     u16 *value)
{
        struct ice_pkg_enum state;
        char *label_name;
        u16 val;

        if (!ice_seg)
                return ICE_ERR_PARAM;

        do {
                label_name = ice_enum_labels(ice_seg, type, &state, &val);
                if (label_name && !strcmp(label_name, name)) {
                        *value = val;
                        return ICE_SUCCESS;
                }

                ice_seg = NULL;
        } while (label_name);

        return ICE_ERR_CFG;
}

/**
 * ice_verify_pkg - verify package
 * @pkg: pointer to the package buffer
 * @len: size of the package buffer
 *
 * Verifies various attributes of the package file, including length, format
 * version, and the requirement of at least one segment.
 */
static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
{
        u32 seg_count;
        u32 i;

        if (len < sizeof(*pkg))
                return ICE_ERR_BUF_TOO_SHORT;

        if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
            pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
            pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
            pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
                return ICE_ERR_CFG;

        /* pkg must have at least one segment */
        seg_count = LE32_TO_CPU(pkg->seg_count);
        if (seg_count < 1)
                return ICE_ERR_CFG;

        /* make sure segment array fits in package length */
        if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
                return ICE_ERR_BUF_TOO_SHORT;

        /* all segments must fit within length */
        for (i = 0; i < seg_count; i++) {
                u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
                struct ice_generic_seg_hdr *seg;

                /* segment header must fit */
                if (len < off + sizeof(*seg))
                        return ICE_ERR_BUF_TOO_SHORT;

                seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);

                /* segment body must fit */
                if (len < off + LE32_TO_CPU(seg->seg_size))
                        return ICE_ERR_BUF_TOO_SHORT;
        }

        return ICE_SUCCESS;
}

/**
 * ice_free_seg - free package segment pointer
 * @hw: pointer to the hardware structure
 *
 * Frees the package segment pointer in the proper manner, depending on if the
 * segment was allocated or just the passed in pointer was stored.
 */
void ice_free_seg(struct ice_hw *hw)
{
        if (hw->pkg_copy) {
                ice_free(hw, hw->pkg_copy);
                hw->pkg_copy = NULL;
                hw->pkg_size = 0;
        }
        hw->seg = NULL;
}

/**
 * ice_init_fd_mask_regs - initialize Flow Director mask registers
 * @hw: pointer to the HW struct
 *
 * This function sets up the Flow Director mask registers to allow for complete
 * masking off of any of the 24 Field Vector words. After this call, mask 0 will
 * mask off all of FV index 0, mask 1 will mask off all of FV index 1, etc.
 */
static void ice_init_fd_mask_regs(struct ice_hw *hw)
{
        u16 i;

        for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
                wr32(hw, GLQF_FDMASK(i), i);
                ice_debug(hw, ICE_DBG_INIT, "init fd mask(%d): %x = %x\n", i,
                          GLQF_FDMASK(i), i);
        }
}

/**
 * ice_init_pkg_regs - initialize additional package registers
 * @hw: pointer to the hardware structure
 */
static void ice_init_pkg_regs(struct ice_hw *hw)
{
#define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
#define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
#define ICE_SW_BLK_IDX  0

        /* setup Switch block input mask, which is 48-bits in two parts */
        wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
        wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
        /* setup default flow director masks */
        ice_init_fd_mask_regs(hw);
}

/**
 * ice_init_pkg - initialize/download package
 * @hw: pointer to the hardware structure
 * @buf: pointer to the package buffer
 * @len: size of the package buffer
 *
 * This function initializes a package. The package contains HW tables
 * required to do packet processing. First, the function extracts package
 * information such as version. Then it finds the ice configuration segment
 * within the package; this function then saves a copy of the segment pointer
 * within the supplied package buffer. Next, the function will cache any hints
 * from the package, followed by downloading the package itself. Note, that if
 * a previous PF driver has already downloaded the package successfully, then
 * the current driver will not have to download the package again.
 *
 * The local package contents will be used to query default behavior and to
 * update specific sections of the HW's version of the package (e.g. to update
 * the parse graph to understand new protocols).
 *
 * This function stores a pointer to the package buffer memory, and it is
 * expected that the supplied buffer will not be freed immediately. If the
 * package buffer needs to be freed, such as when read from a file, use
 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
 * case.
 */
enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
{
        struct ice_pkg_hdr *pkg;
        enum ice_status status;
        struct ice_seg *seg;

        if (!buf || !len)
                return ICE_ERR_PARAM;

        pkg = (struct ice_pkg_hdr *)buf;
        status = ice_verify_pkg(pkg, len);
        if (status) {
                ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
                          status);
                return status;
        }

        /* initialize package info */
        status = ice_init_pkg_info(hw, pkg);
        if (status)
                return status;

        /* find segment in given package */
        seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
        if (!seg) {
                ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
                return ICE_ERR_CFG;
        }

        /* initialize package hints and then download package */
        ice_init_pkg_hints(hw, seg);
        status = ice_download_pkg(hw, seg);
        if (status == ICE_ERR_AQ_NO_WORK) {
                ice_debug(hw, ICE_DBG_INIT,
                          "package previously loaded - no work.\n");
                status = ICE_SUCCESS;
        }

        if (!status) {
                hw->seg = seg;
                /* on successful package download, update other required
                 * registers to support the package
                 */
                ice_init_pkg_regs(hw);
        } else {
                ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
                          status);
        }

        return status;
}

/**
 * ice_copy_and_init_pkg - initialize/download a copy of the package
 * @hw: pointer to the hardware structure
 * @buf: pointer to the package buffer
 * @len: size of the package buffer
 *
 * This function copies the package buffer, and then calls ice_init_pkg() to
 * initialize the copied package contents.
 *
 * The copying is necessary if the package buffer supplied is constant, or if
 * the memory may disappear shortly after calling this function.
 *
 * If the package buffer resides in the data segment and can be modified, the
 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
 *
 * However, if the package buffer needs to be copied first, such as when being
 * read from a file, the caller should use ice_copy_and_init_pkg().
 *
 * This function will first copy the package buffer, before calling
 * ice_init_pkg(). The caller is free to immediately destroy the original
 * package buffer, as the new copy will be managed by this function and
 * related routines.
 */
enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
{
        enum ice_status status;
        u8 *buf_copy;

        if (!buf || !len)
                return ICE_ERR_PARAM;

        buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);

        status = ice_init_pkg(hw, buf_copy, len);
        if (status) {
                /* Free the copy, since we failed to initialize the package */
                ice_free(hw, buf_copy);
        } else {
                /* Track the copied pkg so we can free it later */
                hw->pkg_copy = buf_copy;
                hw->pkg_size = len;
        }

        return status;
}

/**
 * ice_pkg_buf_alloc
 * @hw: pointer to the HW structure
 *
 * Allocates a package buffer and returns a pointer to the buffer header.
 * Note: all package contents must be in Little Endian form.
 */
struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
{
        struct ice_buf_build *bld;
        struct ice_buf_hdr *buf;

        bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
        if (!bld)
                return NULL;

        buf = (struct ice_buf_hdr *)bld;
        buf->data_end = CPU_TO_LE16(sizeof(*buf) -
                                    sizeof(buf->section_entry[0]));
        return bld;
}

/**
 * ice_sw_fv_handler
 * @sect_type: section type
 * @section: pointer to section
 * @index: index of the field vector entry to be returned
 * @offset: ptr to variable that receives the offset in the field vector table
 *
 * This is a callback function that can be passed to ice_pkg_enum_entry.
 * This function treats the given section as of type ice_sw_fv_section and
 * enumerates offset field. "offset" is an index into the field vector
 * vector table.
 */
static void *
ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
{
        struct ice_sw_fv_section *fv_section =
                (struct ice_sw_fv_section *)section;

        if (!section || sect_type != ICE_SID_FLD_VEC_SW)
                return NULL;
        if (index >= LE16_TO_CPU(fv_section->count))
                return NULL;
        if (offset)
                /* "index" passed in to this function is relative to a given
                 * 4k block. To get to the true index into the field vector
                 * table need to add the relative index to the base_offset
                 * field of this section
                 */
                *offset = LE16_TO_CPU(fv_section->base_offset) + index;
        return fv_section->fv + index;
}

/**
 * ice_get_sw_fv_list
 * @hw: pointer to the HW structure
 * @prot_ids: field vector to search for with a given protocol ID
 * @ids_cnt: lookup/protocol count
 * @fv_list: Head of a list
 *
 * Finds all the field vector entries from switch block that contain
 * a given protocol ID and returns a list of structures of type
 * "ice_sw_fv_list_entry". Every structure in the list has a field vector
 * definition and profile ID information
 * NOTE: The caller of the function is responsible for freeing the memory
 * allocated for every list entry.
 */
enum ice_status
ice_get_sw_fv_list(struct ice_hw *hw, u16 *prot_ids, u8 ids_cnt,
                   struct LIST_HEAD_TYPE *fv_list)
{
        struct ice_sw_fv_list_entry *fvl;
        struct ice_sw_fv_list_entry *tmp;
        struct ice_pkg_enum state;
        struct ice_seg *ice_seg;
        struct ice_fv *fv;
        u32 offset;

        if (!ids_cnt || !hw->seg)
                return ICE_ERR_PARAM;

        ice_seg = hw->seg;
        do {
                u8 i;

                fv = (struct ice_fv *)
                        ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
                                           &offset, ice_sw_fv_handler);

                for (i = 0; i < ids_cnt && fv; i++) {
                        int j;

                        /* This code assumes that if a switch field vector line
                         * has a matching protocol, then this line will contain
                         * the entries necessary to represent every field in
                         * that protocol header.
                         */
                        for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
                                if (fv->ew[j].prot_id == prot_ids[i])
                                        break;
                        if (j >= hw->blk[ICE_BLK_SW].es.fvw)
                                break;
                        if (i + 1 == ids_cnt) {
                                fvl = (struct ice_sw_fv_list_entry *)
                                        ice_malloc(hw, sizeof(*fvl));
                                if (!fvl)
                                        goto err;
                                fvl->fv_ptr = fv;
                                fvl->profile_id = offset;
                                LIST_ADD(&fvl->list_entry, fv_list);
                                break;
                        }
                }
                ice_seg = NULL;
        } while (fv);
        if (LIST_EMPTY(fv_list))
                return ICE_ERR_CFG;
        return ICE_SUCCESS;

err:
        LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
                                 list_entry) {
                LIST_DEL(&fvl->list_entry);
                ice_free(hw, fvl);
        }

        return ICE_ERR_NO_MEMORY;
}

/**
 * ice_pkg_buf_alloc_single_section
 * @hw: pointer to the HW structure
 * @type: the section type value
 * @size: the size of the section to reserve (in bytes)
 * @section: returns pointer to the section
 *
 * Allocates a package buffer with a single section.
 * Note: all package contents must be in Little Endian form.
 */
static struct ice_buf_build *
ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
                                 void **section)
{
        struct ice_buf_build *buf;

        if (!section)
                return NULL;

        buf = ice_pkg_buf_alloc(hw);
        if (!buf)
                return NULL;

        if (ice_pkg_buf_reserve_section(buf, 1))
                goto ice_pkg_buf_alloc_single_section_err;

        *section = ice_pkg_buf_alloc_section(buf, type, size);
        if (!*section)
                goto ice_pkg_buf_alloc_single_section_err;

        return buf;

ice_pkg_buf_alloc_single_section_err:
        ice_pkg_buf_free(hw, buf);
        return NULL;
}

/**
 * ice_pkg_buf_reserve_section
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 * @count: the number of sections to reserve
 *
 * Reserves one or more section table entries in a package buffer. This routine
 * can be called multiple times as long as they are made before calling
 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
 * is called once, the number of sections that can be allocated will not be able
 * to be increased; not using all reserved sections is fine, but this will
 * result in some wasted space in the buffer.
 * Note: all package contents must be in Little Endian form.
 */
enum ice_status
ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
{
        struct ice_buf_hdr *buf;
        u16 section_count;
        u16 data_end;

        if (!bld)
                return ICE_ERR_PARAM;

        buf = (struct ice_buf_hdr *)&bld->buf;

        /* already an active section, can't increase table size */
        section_count = LE16_TO_CPU(buf->section_count);
        if (section_count > 0)
                return ICE_ERR_CFG;

        if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
                return ICE_ERR_CFG;
        bld->reserved_section_table_entries += count;

        data_end = LE16_TO_CPU(buf->data_end) +
                   (count * sizeof(buf->section_entry[0]));
        buf->data_end = CPU_TO_LE16(data_end);

        return ICE_SUCCESS;
}

/**
 * ice_pkg_buf_unreserve_section
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 * @count: the number of sections to unreserve
 *
 * Unreserves one or more section table entries in a package buffer, releasing
 * space that can be used for section data. This routine can be called
 * multiple times as long as they are made before calling
 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
 * is called once, the number of sections that can be allocated will not be able
 * to be increased; not using all reserved sections is fine, but this will
 * result in some wasted space in the buffer.
 * Note: all package contents must be in Little Endian form.
 */
enum ice_status
ice_pkg_buf_unreserve_section(struct ice_buf_build *bld, u16 count)
{
        struct ice_buf_hdr *buf;
        u16 section_count;
        u16 data_end;

        if (!bld)
                return ICE_ERR_PARAM;

        buf = (struct ice_buf_hdr *)&bld->buf;

        /* already an active section, can't decrease table size */
        section_count = LE16_TO_CPU(buf->section_count);
        if (section_count > 0)
                return ICE_ERR_CFG;

        if (count > bld->reserved_section_table_entries)
                return ICE_ERR_CFG;
        bld->reserved_section_table_entries -= count;

        data_end = LE16_TO_CPU(buf->data_end) -
                   (count * sizeof(buf->section_entry[0]));
        buf->data_end = CPU_TO_LE16(data_end);

        return ICE_SUCCESS;
}

/**
 * ice_pkg_buf_alloc_section
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 * @type: the section type value
 * @size: the size of the section to reserve (in bytes)
 *
 * Reserves memory in the buffer for a section's content and updates the
 * buffers' status accordingly. This routine returns a pointer to the first
 * byte of the section start within the buffer, which is used to fill in the
 * section contents.
 * Note: all package contents must be in Little Endian form.
 */
void *
ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
{
        struct ice_buf_hdr *buf;
        u16 sect_count;
        u16 data_end;

        if (!bld || !type || !size)
                return NULL;

        buf = (struct ice_buf_hdr *)&bld->buf;

        /* check for enough space left in buffer */
        data_end = LE16_TO_CPU(buf->data_end);

        /* section start must align on 4 byte boundary */
        data_end = ICE_ALIGN(data_end, 4);

        if ((data_end + size) > ICE_MAX_S_DATA_END)
                return NULL;

        /* check for more available section table entries */
        sect_count = LE16_TO_CPU(buf->section_count);
        if (sect_count < bld->reserved_section_table_entries) {
                void *section_ptr = ((u8 *)buf) + data_end;

                buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
                buf->section_entry[sect_count].size = CPU_TO_LE16(size);
                buf->section_entry[sect_count].type = CPU_TO_LE32(type);

                data_end += size;
                buf->data_end = CPU_TO_LE16(data_end);

                buf->section_count = CPU_TO_LE16(sect_count + 1);
                return section_ptr;
        }

        /* no free section table entries */
        return NULL;
}

/**
 * ice_pkg_buf_get_free_space
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 *
 * Returns the number of free bytes remaining in the buffer.
 * Note: all package contents must be in Little Endian form.
 */
u16 ice_pkg_buf_get_free_space(struct ice_buf_build *bld)
{
        struct ice_buf_hdr *buf;

        if (!bld)
                return 0;

        buf = (struct ice_buf_hdr *)&bld->buf;
        return ICE_MAX_S_DATA_END - LE16_TO_CPU(buf->data_end);
}

/**
 * ice_pkg_buf_get_active_sections
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 *
 * Returns the number of active sections. Before using the package buffer
 * in an update package command, the caller should make sure that there is at
 * least one active section - otherwise, the buffer is not legal and should
 * not be used.
 * Note: all package contents must be in Little Endian form.
 */
u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
{
        struct ice_buf_hdr *buf;

        if (!bld)
                return 0;

        buf = (struct ice_buf_hdr *)&bld->buf;
        return LE16_TO_CPU(buf->section_count);
}

/**
 * ice_pkg_buf_header
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 *
 * Return a pointer to the buffer's header
 */
struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
{
        if (!bld)
                return NULL;

        return &bld->buf;
}

/**
 * ice_pkg_buf_free
 * @hw: pointer to the HW structure
 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
 *
 * Frees a package buffer
 */
void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
{
        ice_free(hw, bld);
}

/* PTG Management */

/**
 * ice_ptg_update_xlt1 - Updates packet type groups in HW via XLT1 table
 * @hw: pointer to the hardware structure
 * @blk: HW block
 *
 * This function will update the XLT1 hardware table to reflect the new
 * packet type group configuration.
 */
enum ice_status ice_ptg_update_xlt1(struct ice_hw *hw, enum ice_block blk)
{
        struct ice_xlt1_section *sect;
        struct ice_buf_build *bld;
        enum ice_status status;
        u16 index;

        bld = ice_pkg_buf_alloc_single_section(hw, ice_sect_id(blk, ICE_XLT1),
                                               ICE_XLT1_SIZE(ICE_XLT1_CNT),
                                               (void **)&sect);
        if (!bld)
                return ICE_ERR_NO_MEMORY;

        sect->count = CPU_TO_LE16(ICE_XLT1_CNT);
        sect->offset = CPU_TO_LE16(0);
        for (index = 0; index < ICE_XLT1_CNT; index++)
                sect->value[index] = hw->blk[blk].xlt1.ptypes[index].ptg;

        status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);

        ice_pkg_buf_free(hw, bld);

        return status;
}

/**
 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @ptype: the ptype to search for
 * @ptg: pointer to variable that receives the PTG
 *
 * This function will search the PTGs for a particular ptype, returning the
 * PTG ID that contains it through the ptg parameter, with the value of
 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
 */
enum ice_status
ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
{
        if (ptype >= ICE_XLT1_CNT || !ptg)
                return ICE_ERR_PARAM;

        *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
        return ICE_SUCCESS;
}

/**
 * ice_ptg_alloc_val - Allocates a new packet type group ID by value
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @ptg: the ptg to allocate
 *
 * This function allocates a given packet type group ID specified by the ptg
 * parameter.
 */
static
void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
{
        hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
}

/**
 * ice_ptg_alloc - Find a free entry and allocates a new packet type group ID
 * @hw: pointer to the hardware structure
 * @blk: HW block
 *
 * This function allocates and returns a new packet type group ID. Note
 * that 0 is the default packet type group, so successfully created PTGs will
 * have a non-zero ID value; which means a 0 return value indicates an error.
 */
u8 ice_ptg_alloc(struct ice_hw *hw, enum ice_block blk)
{
        u16 i;

        /* Skip the default PTG of 0 */
        for (i = 1; i < ICE_MAX_PTGS; i++)
                if (!hw->blk[blk].xlt1.ptg_tbl[i].in_use) {
                        /* found a free PTG ID */
                        ice_ptg_alloc_val(hw, blk, i);
                        return (u8)i;
                }

        return 0;
}

/**
 * ice_ptg_free - Frees a packet type group
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @ptg: the ptg ID to free
 *
 * This function frees a packet type group, and returns all the current ptypes
 * within it to the default PTG.
 */
void ice_ptg_free(struct ice_hw *hw, enum ice_block blk, u8 ptg)
{
        struct ice_ptg_ptype *p, *temp;

        hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = false;
        p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
        while (p) {
                p->ptg = ICE_DEFAULT_PTG;
                temp = p->next_ptype;
                p->next_ptype = NULL;
                p = temp;
        }

        hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = NULL;
}

/**
 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @ptype: the ptype to remove
 * @ptg: the ptg to remove the ptype from
 *
 * This function will remove the ptype from the specific ptg, and move it to
 * the default PTG (ICE_DEFAULT_PTG).
 */
static enum ice_status
ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
{
        struct ice_ptg_ptype **ch;
        struct ice_ptg_ptype *p;

        if (ptype > ICE_XLT1_CNT - 1)
                return ICE_ERR_PARAM;

        if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
                return ICE_ERR_DOES_NOT_EXIST;

        /* Should not happen if .in_use is set, bad config */
        if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
                return ICE_ERR_CFG;

        /* find the ptype within this PTG, and bypass the link over it */
        p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
        ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
        while (p) {
                if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
                        *ch = p->next_ptype;
                        break;
                }

                ch = &p->next_ptype;
                p = p->next_ptype;
        }

        hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
        hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;

        return ICE_SUCCESS;
}

/**
 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @ptype: the ptype to add or move
 * @ptg: the ptg to add or move the ptype to
 *
 * This function will either add or move a ptype to a particular PTG depending
 * on if the ptype is already part of another group. Note that using a
 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
 * default PTG.
 */
enum ice_status
ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
{
        enum ice_status status;
        u8 original_ptg;

        if (ptype > ICE_XLT1_CNT - 1)
                return ICE_ERR_PARAM;

        if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
                return ICE_ERR_DOES_NOT_EXIST;

        status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
        if (status)
                return status;

        /* Is ptype already in the correct PTG? */
        if (original_ptg == ptg)
                return ICE_SUCCESS;

        /* Remove from original PTG and move back to the default PTG */
        if (original_ptg != ICE_DEFAULT_PTG)
                ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);

        /* Moving to default PTG? Then we're done with this request */
        if (ptg == ICE_DEFAULT_PTG)
                return ICE_SUCCESS;

        /* Add ptype to PTG at beginning of list */
        hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
                hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
        hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
                &hw->blk[blk].xlt1.ptypes[ptype];

        hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
        hw->blk[blk].xlt1.t[ptype] = ptg;

        return ICE_SUCCESS;
}

/* Block / table size info */
struct ice_blk_size_details {
        u16 xlt1;                       /* # XLT1 entries */
        u16 xlt2;                       /* # XLT2 entries */
        u16 prof_tcam;                  /* # profile ID TCAM entries */
        u16 prof_id;                    /* # profile IDs */
        u8 prof_cdid_bits;              /* # cdid one-hot bits used in key */
        u16 prof_redir;                 /* # profile redirection entries */
        u16 es;                         /* # extraction sequence entries */
        u16 fvw;                        /* # field vector words */
        u8 overwrite;                   /* overwrite existing entries allowed */
        u8 reverse;                     /* reverse FV order */
};

static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
        /**
         * Table Definitions
         * XLT1 - Number of entries in XLT1 table
         * XLT2 - Number of entries in XLT2 table
         * TCAM - Number of entries Profile ID TCAM table
         * CDID - Control Domain ID of the hardware block
         * PRED - Number of entries in the Profile Redirection Table
         * FV   - Number of entries in the Field Vector
         * FVW  - Width (in WORDs) of the Field Vector
         * OVR  - Overwrite existing table entries
         * REV  - Reverse FV
         */
        /*          XLT1        , XLT2        ,TCAM, PID,CDID,PRED,   FV, FVW */
        /*          Overwrite   , Reverse FV */
        /* SW  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256,   0,  256, 256,  48,
                    false, false },
        /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  32,
                    false, false },
        /* FD  */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
                    false, true  },
        /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128,   0,  128, 128,  24,
                    true,  true  },
        /* PE  */ { ICE_XLT1_CNT, ICE_XLT2_CNT,  64,  32,   0,   32,  32,  24,
                    false, false },
};

enum ice_sid_all {
        ICE_SID_XLT1_OFF = 0,
        ICE_SID_XLT2_OFF,
        ICE_SID_PR_OFF,
        ICE_SID_PR_REDIR_OFF,
        ICE_SID_ES_OFF,
        ICE_SID_OFF_COUNT,
};

/* Characteristic handling */

/**
 * ice_match_prop_lst - determine if properties of two lists match
 * @list1: first properties list
 * @list2: second properties list
 *
 * Count, cookies and the order must match in order to be considered equivalent.
 */
static bool
ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
{
        struct ice_vsig_prof *tmp1;
        struct ice_vsig_prof *tmp2;
        u16 chk_count = 0;
        u16 count = 0;

        /* compare counts */
        LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) {
                count++;
        }
        LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) {
                chk_count++;
        }
        if (!count || count != chk_count)
                return false;

        tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
        tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);

        /* profile cookies must compare, and in the exact same order to take
         * into account priority
         */
        while (count--) {
                if (tmp2->profile_cookie != tmp1->profile_cookie)
                        return false;

                tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
                tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
        }

        return true;
}

/* VSIG Management */

/**
 * ice_vsig_update_xlt2_sect - update one section of XLT2 table
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsi: HW VSI number to program
 * @vsig: vsig for the VSI
 *
 * This function will update the XLT2 hardware table with the input VSI
 * group configuration.
 */
static enum ice_status
ice_vsig_update_xlt2_sect(struct ice_hw *hw, enum ice_block blk, u16 vsi,
                          u16 vsig)
{
        struct ice_xlt2_section *sect;
        struct ice_buf_build *bld;
        enum ice_status status;

        bld = ice_pkg_buf_alloc_single_section(hw, ice_sect_id(blk, ICE_XLT2),
                                               sizeof(struct ice_xlt2_section),
                                               (void **)&sect);
        if (!bld)
                return ICE_ERR_NO_MEMORY;

        sect->count = CPU_TO_LE16(1);
        sect->offset = CPU_TO_LE16(vsi);
        sect->value[0] = CPU_TO_LE16(vsig);

        status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);

        ice_pkg_buf_free(hw, bld);

        return status;
}

/**
 * ice_vsig_update_xlt2 - update XLT2 table with VSIG configuration
 * @hw: pointer to the hardware structure
 * @blk: HW block
 *
 * This function will update the XLT2 hardware table with the input VSI
 * group configuration of used vsis.
 */
enum ice_status ice_vsig_update_xlt2(struct ice_hw *hw, enum ice_block blk)
{
        u16 vsi;

        for (vsi = 0; vsi < ICE_MAX_VSI; vsi++) {
                /* update only vsis that have been changed */
                if (hw->blk[blk].xlt2.vsis[vsi].changed) {
                        enum ice_status status;
                        u16 vsig;

                        vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
                        status = ice_vsig_update_xlt2_sect(hw, blk, vsi, vsig);
                        if (status)
                                return status;

                        hw->blk[blk].xlt2.vsis[vsi].changed = 0;
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsi: VSI of interest
 * @vsig: pointer to receive the VSI group
 *
 * This function will lookup the VSI entry in the XLT2 list and return
 * the VSI group its associated with.
 */
enum ice_status
ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
{
        if (!vsig || vsi >= ICE_MAX_VSI)
                return ICE_ERR_PARAM;

        /* As long as there's a default or valid VSIG associated with the input
         * VSI, the functions returns a success. Any handling of VSIG will be
         * done by the following add, update or remove functions.
         */
        *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;

        return ICE_SUCCESS;
}

/**
 * ice_vsig_alloc_val - allocate a new VSIG by value
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsig: the vsig to allocate
 *
 * This function will allocate a given VSIG specified by the vsig parameter.
 */
static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
{
        u16 idx = vsig & ICE_VSIG_IDX_M;

        if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
                INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
                hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
        }

        return ICE_VSIG_VALUE(idx, hw->pf_id);
}

/**
 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
 * @hw: pointer to the hardware structure
 * @blk: HW block
 *
 * This function will iterate through the VSIG list and mark the first
 * unused entry for the new VSIG entry as used and return that value.
 */
static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
{
        u16 i;

        for (i = 1; i < ICE_MAX_VSIGS; i++)
                if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
                        return ice_vsig_alloc_val(hw, blk, i);

        return ICE_DEFAULT_VSIG;
}

/**
 * ice_find_dup_props_vsig - find VSI group with a specified set of properties
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @chs: characteristic list
 * @vsig: returns the VSIG with the matching profiles, if found
 *
 * Each VSIG is associated with a characteristic set; i.e. all VSIs under
 * a group have the same characteristic set. To check if there exists a VSIG
 * which has the same characteristics as the input characteristics; this
 * function will iterate through the XLT2 list and return the VSIG that has a
 * matching configuration. In order to make sure that priorities are accounted
 * for, the list must match exactly, including the order in which the
 * characteristics are listed.
 */
enum ice_status
ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
                        struct LIST_HEAD_TYPE *chs, u16 *vsig)
{
        struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
        u16 i;

        for (i = 0; i < xlt2->count; i++) {
                if (xlt2->vsig_tbl[i].in_use &&
                    ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
                        *vsig = ICE_VSIG_VALUE(i, hw->pf_id);
                        return ICE_SUCCESS;
                }
        }

        return ICE_ERR_DOES_NOT_EXIST;
}

/**
 * ice_vsig_free - free VSI group
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsig: VSIG to remove
 *
 * The function will remove all VSIs associated with the input VSIG and move
 * them to the DEFAULT_VSIG and mark the VSIG available.
 */
enum ice_status
ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
{
        struct ice_vsig_prof *dtmp, *del;
        struct ice_vsig_vsi *vsi_cur;
        u16 idx;

        idx = vsig & ICE_VSIG_IDX_M;
        if (idx >= ICE_MAX_VSIGS)
                return ICE_ERR_PARAM;

        if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
                return ICE_ERR_DOES_NOT_EXIST;

        hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;

        vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
        if (!vsi_cur)
                return ICE_ERR_CFG;

        /* remove all vsis associated with this VSIG XLT2 entry */
        do {
                struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;

                vsi_cur->vsig = ICE_DEFAULT_VSIG;
                vsi_cur->changed = 1;
                vsi_cur->next_vsi = NULL;
                vsi_cur = tmp;
        } while (vsi_cur);

        /* NULL terminate head of vsi list */
        hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;

        /* free characteristic list */
        LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
                                 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                                 ice_vsig_prof, list) {
                LIST_DEL(&del->list);
                ice_free(hw, del);
        }

        return ICE_SUCCESS;
}

/**
 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsi: VSI to move
 * @vsig: destination VSI group
 *
 * This function will move or add the input VSI to the target VSIG.
 * The function will find the original VSIG the VSI belongs to and
 * move the entry to the DEFAULT_VSIG, update the original VSIG and
 * then move entry to the new VSIG.
 */
enum ice_status
ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
{
        struct ice_vsig_vsi *tmp;
        enum ice_status status;
        u16 orig_vsig, idx;

        idx = vsig & ICE_VSIG_IDX_M;

        if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
                return ICE_ERR_PARAM;

        /* if VSIG not in use and VSIG is not default type this VSIG
         * doesn't exist.
         */
        if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
            vsig != ICE_DEFAULT_VSIG)
                return ICE_ERR_DOES_NOT_EXIST;

        status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
        if (status)
                return status;

        /* no update required if vsigs match */
        if (orig_vsig == vsig)
                return ICE_SUCCESS;

        if (orig_vsig != ICE_DEFAULT_VSIG) {
                /* remove entry from orig_vsig and add to default VSIG */
                status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
                if (status)
                        return status;
        }

        if (idx == ICE_DEFAULT_VSIG)
                return ICE_SUCCESS;

        /* Create VSI entry and add VSIG and prop_mask values */
        hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
        hw->blk[blk].xlt2.vsis[vsi].changed = 1;

        /* Add new entry to the head of the VSIG list */
        tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
        hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
                &hw->blk[blk].xlt2.vsis[vsi];
        hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
        hw->blk[blk].xlt2.t[vsi] = vsig;

        return ICE_SUCCESS;
}

/**
 * ice_vsig_remove_vsi - remove VSI from VSIG
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsi: VSI to remove
 * @vsig: VSI group to remove from
 *
 * The function will remove the input VSI from its VSI group and move it
 * to the DEFAULT_VSIG.
 */
enum ice_status
ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
{
        struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
        u16 idx;

        idx = vsig & ICE_VSIG_IDX_M;

        if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
                return ICE_ERR_PARAM;

        if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
                return ICE_ERR_DOES_NOT_EXIST;

        /* entry already in default VSIG, don't have to remove */
        if (idx == ICE_DEFAULT_VSIG)
                return ICE_SUCCESS;

        vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
        if (!(*vsi_head))
                return ICE_ERR_CFG;

        vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
        vsi_cur = (*vsi_head);

        /* iterate the VSI list, skip over the entry to be removed */
        while (vsi_cur) {
                if (vsi_tgt == vsi_cur) {
                        (*vsi_head) = vsi_cur->next_vsi;
                        break;
                }
                vsi_head = &vsi_cur->next_vsi;
                vsi_cur = vsi_cur->next_vsi;
        }

        /* verify if VSI was removed from group list */
        if (!vsi_cur)
                return ICE_ERR_DOES_NOT_EXIST;

        vsi_cur->vsig = ICE_DEFAULT_VSIG;
        vsi_cur->changed = 1;
        vsi_cur->next_vsi = NULL;

        return ICE_SUCCESS;
}

/**
 * ice_find_prof_id - find profile ID for a given field vector
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @fv: field vector to search for
 * @prof_id: receives the profile ID
 */
static enum ice_status
ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
                 struct ice_fv_word *fv, u8 *prof_id)
{
        struct ice_es *es = &hw->blk[blk].es;
        u16 off, i;

        for (i = 0; i < es->count; i++) {
                off = i * es->fvw;

                if (memcmp(&es->t[off], fv, es->fvw * 2))
                        continue;

                *prof_id = i;
                return ICE_SUCCESS;
        }

        return ICE_ERR_DOES_NOT_EXIST;
}

/**
 * ice_prof_id_rsrc_type - get profile ID resource type for a block type
 * @blk: the block type
 * @rsrc_type: pointer to variable to receive the resource type
 */
static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
{
        switch (blk) {
        case ICE_BLK_SW:
                *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
                break;
        case ICE_BLK_ACL:
                *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
                break;
        case ICE_BLK_FD:
                *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
                break;
        case ICE_BLK_RSS:
                *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
                break;
        case ICE_BLK_PE:
                *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
                break;
        default:
                return false;
        }
        return true;
}

/**
 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
 * @blk: the block type
 * @rsrc_type: pointer to variable to receive the resource type
 */
static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
{
        switch (blk) {
        case ICE_BLK_SW:
                *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
                break;
        case ICE_BLK_ACL:
                *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
                break;
        case ICE_BLK_FD:
                *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
                break;
        case ICE_BLK_RSS:
                *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
                break;
        case ICE_BLK_PE:
                *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
                break;
        default:
                return false;
        }
        return true;
}

/**
 * ice_workaround_get_res_blk - determine the block from a resource type
 * @type: type of resource
 * @blk: pointer to a enum that will receive the block type
 * @tcam: pointer to variable that will be set to true for a TCAM resource type
 */
static enum
ice_status ice_workaround_get_res_blk(u16 type, enum ice_block *blk, bool *tcam)
{
        /* just need to support TCAM entries and Profile IDs for now */
        *tcam = false;

        switch (type) {
        case ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM:
                *blk = ICE_BLK_SW;
                *tcam = true;
                break;
        case ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM:
                *blk = ICE_BLK_ACL;
                *tcam = true;
                break;
        case ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM:
                *blk = ICE_BLK_FD;
                *tcam = true;
                break;
        case ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM:
                *blk = ICE_BLK_RSS;
                *tcam = true;
                break;
        case ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM:
                *blk = ICE_BLK_PE;
                *tcam = true;
                break;
        case ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID:
                *blk = ICE_BLK_SW;
                break;
        case ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID:
                *blk = ICE_BLK_ACL;
                break;
        case ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID:
                *blk = ICE_BLK_FD;
                break;
        case ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID:
                *blk = ICE_BLK_RSS;
                break;
        case ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID:
                *blk = ICE_BLK_PE;
                break;
        default:
                return ICE_ERR_PARAM;
        }

        return ICE_SUCCESS;
}

/**
 * ice_alloc_res_workaround
 * @hw: pointer to the hw struct
 * @type: type of resource
 * @num: number of resources to allocate
 * @res: pointer to array that will receive the resources
 */
static enum ice_status
ice_alloc_res_workaround(struct ice_hw *hw, u16 type, u16 num, u16 *res)
{
        enum ice_block blk;
        u16 count = 0;
        bool tcam;
        u16 first;
        u16 last;
        u16 max;
        u16 i;

/* Number of PFs we support with this workaround */
#define ICE_WA_PF_COUNT 4
#define ICE_WA_1ST_TCAM 4
#define ICE_WA_1ST_FV   4

        /* Only allow our supported PFs */
        if (hw->pf_id >= ICE_WA_PF_COUNT)
                return ICE_ERR_AQ_ERROR;

        if (ice_workaround_get_res_blk(type, &blk, &tcam))
                return ICE_ERR_AQ_ERROR;

        if (tcam) {
                /* range of entries based on PF */
                max = hw->blk[blk].prof.count / ICE_WA_PF_COUNT;
                first = max * hw->pf_id;
                last = first + max;

                /* Profile IDs - start at non-zero index for PROF ID TCAM table
                 * The first few entries are for bypass, default and errors
                 * (only relevant for PF 0)
                 */
                first += hw->pf_id ? 0 : ICE_WA_1ST_TCAM;

                for (i = first; i < last && count < num; i++) {
                        if (!hw->blk[blk].prof.resource_used_hack[i]) {
                                res[count++] = i;
                                hw->blk[blk].prof.resource_used_hack[i] = true;
                        }
                }

                /* handle failure case */
                if (count < num) {
                        for (i = 0; i < count; i++) {
                                hw->blk[blk].prof.resource_used_hack[res[i]] =
                                        false;
                                res[i] = 0;
                        }

                        return ICE_ERR_AQ_ERROR;
                }
        } else {
                /* range of entries based on PF */
                max = hw->blk[blk].es.count / ICE_WA_PF_COUNT;
                first = max * hw->pf_id;
                last = first + max;

                /* FV index - start at non-zero index for Field vector table
                 * The first few entries are for bypass, default and errors
                 * (only relevant for PF 0)
                 */
                first += hw->pf_id ? 0 : ICE_WA_1ST_FV;

                for (i = first; i < last && count < num; i++) {
                        if (!hw->blk[blk].es.resource_used_hack[i]) {
                                res[count++] = i;
                                hw->blk[blk].es.resource_used_hack[i] = true;
                        }
                }

                /* handle failure case */
                if (count < num) {
                        for (i = 0; i < count; i++) {
                                hw->blk[blk].es.resource_used_hack[res[i]] =
                                        false;
                                res[i] = 0;
                        }

                        return ICE_ERR_AQ_ERROR;
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_free_res_workaround
 * @hw: pointer to the hw struct
 * @type: type of resource to free
 * @num: number of resources
 * @res: array of resource ids to free
 */
static enum ice_status
ice_free_res_workaround(struct ice_hw *hw, u16 type, u16 num, u16 *res)
{
        enum ice_block blk;
        bool tcam = false;
        u16 i;

        if (ice_workaround_get_res_blk(type, &blk, &tcam))
                return ICE_ERR_AQ_ERROR;

        if (tcam) {
                /* TCAM entries */
                for (i = 0; i < num; i++) {
                        if (res[i] < hw->blk[blk].prof.count) {
                                u16 idx = res[i];

                                ice_free_hw_res(hw, type, 1, &idx);
                                hw->blk[blk].prof.resource_used_hack[res[i]] =
                                        false;
                        }
                }

        } else {
                /* Profile IDs */
                for (i = 0; i < num; i++) {
                        if (res[i] < hw->blk[blk].es.count) {
                                u16 idx = res[i];

                                ice_free_hw_res(hw, type, 1, &idx);
                                hw->blk[blk].es.resource_used_hack[res[i]] =
                                        false;
                        }
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_alloc_tcam_ent - allocate hardware TCAM entry
 * @hw: pointer to the HW struct
 * @blk: the block to allocate the TCAM for
 * @tcam_idx: pointer to variable to receive the TCAM entry
 *
 * This function allocates a new entry in a Profile ID TCAM for a specific
 * block.
 */
static enum ice_status
ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
{
        u16 res_type;

        if (!ice_tcam_ent_rsrc_type(blk, &res_type))
                return ICE_ERR_PARAM;

        return ice_alloc_res_workaround(hw, res_type, 1, tcam_idx);
}

/**
 * ice_free_tcam_ent - free hardware TCAM entry
 * @hw: pointer to the HW struct
 * @blk: the block from which to free the TCAM entry
 * @tcam_idx: the TCAM entry to free
 *
 * This function frees an entry in a Profile ID TCAM for a specific block.
 */
static enum ice_status
ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
{
        u16 res_type;

        if (!ice_tcam_ent_rsrc_type(blk, &res_type))
                return ICE_ERR_PARAM;

        return ice_free_res_workaround(hw, res_type, 1, &tcam_idx);
}

/**
 * ice_alloc_prof_id - allocate profile ID
 * @hw: pointer to the HW struct
 * @blk: the block to allocate the profile ID for
 * @prof_id: pointer to variable to receive the profile ID
 *
 * This function allocates a new profile ID, which also corresponds to a Field
 * Vector (Extraction Sequence) entry.
 */
static enum ice_status
ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
{
        enum ice_status status;
        u16 res_type;
        u16 get_prof;

        if (!ice_prof_id_rsrc_type(blk, &res_type))
                return ICE_ERR_PARAM;

        status = ice_alloc_res_workaround(hw, res_type, 1, &get_prof);
        if (!status)
                *prof_id = (u8)get_prof;

        return status;
}

/**
 * ice_free_prof_id - free profile ID
 * @hw: pointer to the HW struct
 * @blk: the block from which to free the profile ID
 * @prof_id: the profile ID to free
 *
 * This function frees a profile ID, which also corresponds to a Field Vector.
 */
static enum ice_status
ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
{
        u16 tmp_prof_id = (u16)prof_id;
        u16 res_type;

        if (!ice_prof_id_rsrc_type(blk, &res_type))
                return ICE_ERR_PARAM;

        return ice_free_res_workaround(hw, res_type, 1, &tmp_prof_id);
        /* The following code is a WORKAROUND until DCR 076 is available.
         * DCR 076 - Update to Profile ID TCAM Resource Allocation
         *
         * Once the DCR 076 changes are available in FW, this code can be
         * restored. Original code:
         *
         * return ice_free_res(hw, res_type, 1, &tmp_prof_id);
         */
}

/**
 * ice_prof_inc_ref - increment reference count for profile
 * @hw: pointer to the HW struct
 * @blk: the block from which to free the profile ID
 * @prof_id: the profile ID for which to increment the reference count
 */
static enum ice_status
ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
{
        if (prof_id > hw->blk[blk].es.count)
                return ICE_ERR_PARAM;

        hw->blk[blk].es.ref_count[prof_id]++;

        return ICE_SUCCESS;
}

/**
 * ice_write_es - write an extraction sequence to hardware
 * @hw: pointer to the HW struct
 * @blk: the block in which to write the extraction sequence
 * @prof_id: the profile ID to write
 * @fv: pointer to the extraction sequence to write - NULL to clear extraction
 */
static void
ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
             struct ice_fv_word *fv)
{
        u16 off;

        off = prof_id * hw->blk[blk].es.fvw;
        if (!fv) {
                ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
                           sizeof(*fv), ICE_NONDMA_MEM);
                hw->blk[blk].es.written[prof_id] = false;
        } else {
                ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
                           sizeof(*fv), ICE_NONDMA_TO_NONDMA);
        }
}

/**
 * ice_prof_dec_ref - decrement reference count for profile
 * @hw: pointer to the HW struct
 * @blk: the block from which to free the profile ID
 * @prof_id: the profile ID for which to decrement the reference count
 */
static enum ice_status
ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
{
        if (prof_id > hw->blk[blk].es.count)
                return ICE_ERR_PARAM;

        if (hw->blk[blk].es.ref_count[prof_id] > 0) {
                if (!--hw->blk[blk].es.ref_count[prof_id]) {
                        ice_write_es(hw, blk, prof_id, NULL);
                        return ice_free_prof_id(hw, blk, prof_id);
                }
        }

        return ICE_SUCCESS;
}

/* Block / table section IDs */
static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
        /* SWITCH */
        {       ICE_SID_XLT1_SW,
                ICE_SID_XLT2_SW,
                ICE_SID_PROFID_TCAM_SW,
                ICE_SID_PROFID_REDIR_SW,
                ICE_SID_FLD_VEC_SW
        },

        /* ACL */
        {       ICE_SID_XLT1_ACL,
                ICE_SID_XLT2_ACL,
                ICE_SID_PROFID_TCAM_ACL,
                ICE_SID_PROFID_REDIR_ACL,
                ICE_SID_FLD_VEC_ACL
        },

        /* FD */
        {       ICE_SID_XLT1_FD,
                ICE_SID_XLT2_FD,
                ICE_SID_PROFID_TCAM_FD,
                ICE_SID_PROFID_REDIR_FD,
                ICE_SID_FLD_VEC_FD
        },

        /* RSS */
        {       ICE_SID_XLT1_RSS,
                ICE_SID_XLT2_RSS,
                ICE_SID_PROFID_TCAM_RSS,
                ICE_SID_PROFID_REDIR_RSS,
                ICE_SID_FLD_VEC_RSS
        },

        /* PE */
        {       ICE_SID_XLT1_PE,
                ICE_SID_XLT2_PE,
                ICE_SID_PROFID_TCAM_PE,
                ICE_SID_PROFID_REDIR_PE,
                ICE_SID_FLD_VEC_PE
        }
};

/**
 * ice_fill_tbl - Reads content of a single table type into database
 * @hw: pointer to the hardware structure
 * @block_id: Block ID of the table to copy
 * @sid: Section ID of the table to copy
 *
 * Will attempt to read the entire content of a given table of a single block
 * into the driver database. We assume that the buffer will always
 * be as large or larger than the data contained in the package. If
 * this condition is not met, there is most likely an error in the package
 * contents.
 */
static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
{
        u32 dst_len, sect_len, offset = 0;
        struct ice_prof_redir_section *pr;
        struct ice_prof_id_section *pid;
        struct ice_xlt1_section *xlt1;
        struct ice_xlt2_section *xlt2;
        struct ice_sw_fv_section *es;
        struct ice_pkg_enum state;
        u8 *src, *dst;
        void *sect;

        /* if the HW segment pointer is null then the first iteration of
         * ice_pkg_enum_section() will fail. In this case the Hw tables will
         * not be filled and return success.
         */
        if (!hw->seg) {
                ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
                return;
        }

        ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);

        sect = ice_pkg_enum_section(hw->seg, &state, sid);

        while (sect) {
                switch (sid) {
                case ICE_SID_XLT1_SW:
                case ICE_SID_XLT1_FD:
                case ICE_SID_XLT1_RSS:
                case ICE_SID_XLT1_ACL:
                case ICE_SID_XLT1_PE:
                        xlt1 = (struct ice_xlt1_section *)sect;
                        src = xlt1->value;
                        sect_len = LE16_TO_CPU(xlt1->count) *
                                sizeof(*hw->blk[block_id].xlt1.t);
                        dst = hw->blk[block_id].xlt1.t;
                        dst_len = hw->blk[block_id].xlt1.count *
                                sizeof(*hw->blk[block_id].xlt1.t);
                        break;
                case ICE_SID_XLT2_SW:
                case ICE_SID_XLT2_FD:
                case ICE_SID_XLT2_RSS:
                case ICE_SID_XLT2_ACL:
                case ICE_SID_XLT2_PE:
                        xlt2 = (struct ice_xlt2_section *)sect;
                        src = (u8 *)xlt2->value;
                        sect_len = LE16_TO_CPU(xlt2->count) *
                                sizeof(*hw->blk[block_id].xlt2.t);
                        dst = (u8 *)hw->blk[block_id].xlt2.t;
                        dst_len = hw->blk[block_id].xlt2.count *
                                sizeof(*hw->blk[block_id].xlt2.t);
                        break;
                case ICE_SID_PROFID_TCAM_SW:
                case ICE_SID_PROFID_TCAM_FD:
                case ICE_SID_PROFID_TCAM_RSS:
                case ICE_SID_PROFID_TCAM_ACL:
                case ICE_SID_PROFID_TCAM_PE:
                        pid = (struct ice_prof_id_section *)sect;
                        src = (u8 *)pid->entry;
                        sect_len = LE16_TO_CPU(pid->count) *
                                sizeof(*hw->blk[block_id].prof.t);
                        dst = (u8 *)hw->blk[block_id].prof.t;
                        dst_len = hw->blk[block_id].prof.count *
                                sizeof(*hw->blk[block_id].prof.t);
                        break;
                case ICE_SID_PROFID_REDIR_SW:
                case ICE_SID_PROFID_REDIR_FD:
                case ICE_SID_PROFID_REDIR_RSS:
                case ICE_SID_PROFID_REDIR_ACL:
                case ICE_SID_PROFID_REDIR_PE:
                        pr = (struct ice_prof_redir_section *)sect;
                        src = pr->redir_value;
                        sect_len = LE16_TO_CPU(pr->count) *
                                sizeof(*hw->blk[block_id].prof_redir.t);
                        dst = hw->blk[block_id].prof_redir.t;
                        dst_len = hw->blk[block_id].prof_redir.count *
                                sizeof(*hw->blk[block_id].prof_redir.t);
                        break;
                case ICE_SID_FLD_VEC_SW:
                case ICE_SID_FLD_VEC_FD:
                case ICE_SID_FLD_VEC_RSS:
                case ICE_SID_FLD_VEC_ACL:
                case ICE_SID_FLD_VEC_PE:
                        es = (struct ice_sw_fv_section *)sect;
                        src = (u8 *)es->fv;
                        sect_len = LE16_TO_CPU(es->count) *
                                hw->blk[block_id].es.fvw *
                                sizeof(*hw->blk[block_id].es.t);
                        dst = (u8 *)hw->blk[block_id].es.t;
                        dst_len = hw->blk[block_id].es.count *
                                hw->blk[block_id].es.fvw *
                                sizeof(*hw->blk[block_id].es.t);
                        break;
                default:
                        return;
                }

                /* if the section offset exceeds destination length, terminate
                 * table fill.
                 */
                if (offset > dst_len)
                        return;

                /* if the sum of section size and offset exceed destination size
                 * then we are out of bounds of the Hw table size for that PF.
                 * Changing section length to fill the remaining table space
                 * of that PF.
                 */
                if ((offset + sect_len) > dst_len)
                        sect_len = dst_len - offset;

                ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
                offset += sect_len;
                sect = ice_pkg_enum_section(NULL, &state, sid);
        }
}

/**
 * ice_fill_blk_tbls - Read package content for tables of a block
 * @hw: pointer to the hardware structure
 * @block_id: The block ID which contains the tables to be copied
 *
 * Reads the current package contents and populates the driver
 * database with the data it contains to allow for advanced driver
 * features.
 */
static void ice_fill_blk_tbls(struct ice_hw *hw, enum ice_block block_id)
{
        ice_fill_tbl(hw, block_id, hw->blk[block_id].xlt1.sid);
        ice_fill_tbl(hw, block_id, hw->blk[block_id].xlt2.sid);
        ice_fill_tbl(hw, block_id, hw->blk[block_id].prof.sid);
        ice_fill_tbl(hw, block_id, hw->blk[block_id].prof_redir.sid);
        ice_fill_tbl(hw, block_id, hw->blk[block_id].es.sid);
}

/**
 * ice_free_flow_profs - free flow profile entries
 * @hw: pointer to the hardware structure
 */
static void ice_free_flow_profs(struct ice_hw *hw)
{
        u8 i;

        for (i = 0; i < ICE_BLK_COUNT; i++) {
                struct ice_flow_prof *p, *tmp;

                if (!&hw->fl_profs[i])
                        continue;

                /* This call is being made as part of resource deallocation
                 * during unload. Lock acquire and release will not be
                 * necessary here.
                 */
                LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[i],
                                         ice_flow_prof, l_entry) {
                        struct ice_flow_entry *e, *t;

                        LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
                                                 ice_flow_entry, l_entry)
                                ice_flow_rem_entry(hw, ICE_FLOW_ENTRY_HNDL(e));

                        LIST_DEL(&p->l_entry);
                        if (p->acts)
                                ice_free(hw, p->acts);
                        ice_free(hw, p);
                }

                ice_destroy_lock(&hw->fl_profs_locks[i]);
        }
}

/**
 * ice_free_prof_map - frees the profile map
 * @hw: pointer to the hardware structure
 * @blk: the HW block which contains the profile map to be freed
 */
static void ice_free_prof_map(struct ice_hw *hw, enum ice_block blk)
{
        struct ice_prof_map *del, *tmp;

        if (LIST_EMPTY(&hw->blk[blk].es.prof_map))
                return;

        LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &hw->blk[blk].es.prof_map,
                                 ice_prof_map, list) {
                LIST_DEL(&del->list);
                ice_free(hw, del);
        }
}

/**
 * ice_free_vsig_tbl - free complete VSIG table entries
 * @hw: pointer to the hardware structure
 * @blk: the HW block on which to free the VSIG table entries
 */
static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
{
        u16 i;

        if (!hw->blk[blk].xlt2.vsig_tbl)
                return;

        for (i = 1; i < ICE_MAX_VSIGS; i++)
                if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
                        ice_vsig_free(hw, blk, i);
}

/**
 * ice_free_hw_tbls - free hardware table memory
 * @hw: pointer to the hardware structure
 */
void ice_free_hw_tbls(struct ice_hw *hw)
{
        u8 i;

        for (i = 0; i < ICE_BLK_COUNT; i++) {
                ice_free_prof_map(hw, (enum ice_block)i);
                ice_free_vsig_tbl(hw, (enum ice_block)i);
                ice_free(hw, hw->blk[i].xlt1.ptypes);
                ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
                ice_free(hw, hw->blk[i].xlt1.t);
                ice_free(hw, hw->blk[i].xlt2.t);
                ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
                ice_free(hw, hw->blk[i].xlt2.vsis);
                ice_free(hw, hw->blk[i].prof.t);
                ice_free(hw, hw->blk[i].prof_redir.t);
                ice_free(hw, hw->blk[i].es.t);
                ice_free(hw, hw->blk[i].es.ref_count);

                ice_free(hw, hw->blk[i].es.resource_used_hack);
                ice_free(hw, hw->blk[i].prof.resource_used_hack);
                ice_free(hw, hw->blk[i].es.written);
        }

        ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);

        ice_free_flow_profs(hw);
}

/**
 * ice_init_flow_profs - init flow profile locks and list heads
 * @hw: pointer to the hardware structure
 */
static void ice_init_flow_profs(struct ice_hw *hw)
{
        u8 i;

        for (i = 0; i < ICE_BLK_COUNT; i++) {
                ice_init_lock(&hw->fl_profs_locks[i]);
                INIT_LIST_HEAD(&hw->fl_profs[i]);
        }
}

/**
 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
 * @hw: pointer to the hardware structure
 * @blk: the HW block to initialize
 */
static
void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
{
        u16 pt;

        for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
                u8 ptg;

                ptg = hw->blk[blk].xlt1.t[pt];
                if (ptg != ICE_DEFAULT_PTG) {
                        ice_ptg_alloc_val(hw, blk, ptg);
                        ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
                }
        }
}

/**
 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
 * @hw: pointer to the hardware structure
 * @blk: the HW block to initialize
 */
static
void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
{
        u16 vsi;

        for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
                u16 vsig;

                vsig = hw->blk[blk].xlt2.t[vsi];
                if (vsig) {
                        ice_vsig_alloc_val(hw, blk, vsig);
                        ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
                        /* no changes at this time, since this has been
                         * initialized from the original package
                         */
                        hw->blk[blk].xlt2.vsis[vsi].changed = 0;
                }
        }
}

/**
 * ice_init_sw_db - init software database from HW tables
 * @hw: pointer to the hardware structure
 */
static
void ice_init_sw_db(struct ice_hw *hw)
{
        u16 i;

        for (i = 0; i < ICE_BLK_COUNT; i++) {
                ice_init_sw_xlt1_db(hw, (enum ice_block)i);
                ice_init_sw_xlt2_db(hw, (enum ice_block)i);
        }
}

/**
 * ice_init_hw_tbls - init hardware table memory
 * @hw: pointer to the hardware structure
 */
enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
{
        u8 i;

        ice_init_flow_profs(hw);

        for (i = 0; i < ICE_BLK_COUNT; i++) {
                struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
                struct ice_prof_tcam *prof = &hw->blk[i].prof;
                struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
                struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
                struct ice_es *es = &hw->blk[i].es;

                hw->blk[i].overwrite = blk_sizes[i].overwrite;
                es->reverse = blk_sizes[i].reverse;

                xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
                xlt1->count = blk_sizes[i].xlt1;

                xlt1->ptypes = (struct ice_ptg_ptype *)
                        ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));

                if (!xlt1->ptypes)
                        goto err;

                xlt1->ptg_tbl = (struct ice_ptg_entry *)
                        ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));

                if (!xlt1->ptg_tbl)
                        goto err;

                xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
                if (!xlt1->t)
                        goto err;

                xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
                xlt2->count = blk_sizes[i].xlt2;

                xlt2->vsis = (struct ice_vsig_vsi *)
                        ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));

                if (!xlt2->vsis)
                        goto err;

                xlt2->vsig_tbl = (struct ice_vsig_entry *)
                        ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
                if (!xlt2->vsig_tbl)
                        goto err;

                xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
                if (!xlt2->t)
                        goto err;

                prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
                prof->count = blk_sizes[i].prof_tcam;
                prof->max_prof_id = blk_sizes[i].prof_id;
                prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
                prof->t = (struct ice_prof_tcam_entry *)
                        ice_calloc(hw, prof->count, sizeof(*prof->t));

                if (!prof->t)
                        goto err;

                prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
                prof_redir->count = blk_sizes[i].prof_redir;
                prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
                                                 sizeof(*prof_redir->t));

                if (!prof_redir->t)
                        goto err;

                es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
                es->count = blk_sizes[i].es;
                es->fvw = blk_sizes[i].fvw;
                es->t = (struct ice_fv_word *)
                        ice_calloc(hw, es->count * es->fvw, sizeof(*es->t));

                if (!es->t)
                        goto err;

                es->ref_count = (u16 *)
                        ice_calloc(hw, es->count, sizeof(*es->ref_count));

                es->written = (u8 *)
                        ice_calloc(hw, es->count, sizeof(*es->written));

                if (!es->ref_count)
                        goto err;

                es->resource_used_hack = (u8 *)
                        ice_calloc(hw, hw->blk[i].es.count, sizeof(u8));

                if (!es->resource_used_hack)
                        goto err;

                prof->resource_used_hack = (u8 *)ice_calloc(hw, prof->count,
                                                            sizeof(u8));

                if (!prof->resource_used_hack)
                        goto err;

                INIT_LIST_HEAD(&es->prof_map);

                /* Now that tables are allocated, read in package data */
                ice_fill_blk_tbls(hw, (enum ice_block)i);
        }

        ice_init_sw_db(hw);

        return ICE_SUCCESS;

err:
        ice_free_hw_tbls(hw);
        return ICE_ERR_NO_MEMORY;
}

/**
 * ice_prof_gen_key - generate profile ID key
 * @hw: pointer to the HW struct
 * @blk: the block in which to write profile ID to
 * @ptg: packet type group (PTG) portion of key
 * @vsig: VSIG portion of key
 * @cdid: cdid portion of key
 * @flags: flag portion of key
 * @vl_msk: valid mask
 * @dc_msk: don't care mask
 * @nm_msk: never match mask
 * @key: output of profile ID key
 */
static enum ice_status
ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
                 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
                 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
                 u8 key[ICE_TCAM_KEY_SZ])
{
        struct ice_prof_id_key inkey;

        inkey.xlt1 = ptg;
        inkey.xlt2_cdid = CPU_TO_LE16(vsig);
        inkey.flags = CPU_TO_LE16(flags);

        switch (hw->blk[blk].prof.cdid_bits) {
        case 0:
                break;
        case 2:
#define ICE_CD_2_M 0xC000U
#define ICE_CD_2_S 14
                inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
                inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
                break;
        case 4:
#define ICE_CD_4_M 0xF000U
#define ICE_CD_4_S 12
                inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
                inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
                break;
        case 8:
#define ICE_CD_8_M 0xFF00U
#define ICE_CD_8_S 16
                inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
                inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
                break;
        default:
                ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
                break;
        };

        return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
                           nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
}

/**
 * ice_tcam_write_entry - write TCAM entry
 * @hw: pointer to the HW struct
 * @blk: the block in which to write profile ID to
 * @idx: the entry index to write to
 * @prof_id: profile ID
 * @ptg: packet type group (PTG) portion of key
 * @vsig: VSIG portion of key
 * @cdid: cdid portion of key
 * @flags: flag portion of key
 * @vl_msk: valid mask
 * @dc_msk: don't care mask
 * @nm_msk: never match mask
 */
static enum ice_status
ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
                     u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
                     u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
                     u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
                     u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
{
        struct ice_prof_tcam_entry;
        enum ice_status status;

        status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
                                  dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
        if (!status) {
                hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
                hw->blk[blk].prof.t[idx].prof_id = prof_id;
        }

        return status;
}

/**
 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsig: VSIG to query
 * @refs: pointer to variable to receive the reference count
 */
static enum ice_status
ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
{
        u16 idx = vsig & ICE_VSIG_IDX_M;
        struct ice_vsig_vsi *ptr;
        *refs = 0;

        if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
                return ICE_ERR_DOES_NOT_EXIST;

        ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
        while (ptr) {
                (*refs)++;
                ptr = ptr->next_vsi;
        }

        return ICE_SUCCESS;
}

/**
 * ice_get_ptg - get or allocate a ptg for a ptype
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @ptype: the ptype to retrieve the PTG for
 * @ptg: receives the PTG of the ptype
 * @add: receive boolean indicating whether PTG was added or not
 */
static enum ice_status
ice_get_ptg(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg,
            bool *add)
{
        enum ice_status status;

        *ptg = ICE_DEFAULT_PTG;
        *add = false;

        status = ice_ptg_find_ptype(hw, blk, ptype, ptg);
        if (status)
                return status;

        if (*ptg == ICE_DEFAULT_PTG) {
                /* need to allocate a PTG, and add ptype to it */
                *ptg = ice_ptg_alloc(hw, blk);
                if (*ptg == ICE_DEFAULT_PTG)
                        return ICE_ERR_HW_TABLE;

                status = ice_ptg_add_mv_ptype(hw, blk, ptype, *ptg);
                if (status)
                        return ICE_ERR_HW_TABLE;

                *add = true;
        }

        return ICE_SUCCESS;
};

/**
 * ice_has_prof_vsig - check to see if VSIG has a specific profile
 * @hw: pointer to the hardware structure
 * @blk: HW block
 * @vsig: VSIG to check against
 * @hdl: profile handle
 */
static bool
ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
{
        u16 idx = vsig & ICE_VSIG_IDX_M;
        struct ice_vsig_prof *ent;

        LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                            ice_vsig_prof, list) {
                if (ent->profile_cookie == hdl)
                        return true;
        }

        ice_debug(hw, ICE_DBG_INIT,
                  "Characteristic list for VSI group %d not found.\n",
                  vsig);
        return false;
}

/**
 * ice_prof_bld_es - build profile ID extraction sequence changes
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @bld: the update package buffer build to add to
 * @chgs: the list of changes to make in hardware
 */
static enum ice_status
ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
                struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
{
        u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
        struct ice_chs_chg *tmp;

        LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
                if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
                        u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
                        struct ice_pkg_es *p;
                        u32 id;

                        id = ice_sect_id(blk, ICE_VEC_TBL);
                        p = (struct ice_pkg_es *)
                                ice_pkg_buf_alloc_section(bld, id, sizeof(*p) +
                                                          vec_size -
                                                          sizeof(p->es[0]));

                        if (!p)
                                return ICE_ERR_MAX_LIMIT;

                        p->count = CPU_TO_LE16(1);
                        p->offset = CPU_TO_LE16(tmp->prof_id);

                        ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
                                   ICE_NONDMA_TO_NONDMA);
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_prof_bld_tcam - build profile ID TCAM changes
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @bld: the update package buffer build to add to
 * @chgs: the list of changes to make in hardware
 */
static enum ice_status
ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
                  struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
{
        struct ice_chs_chg *tmp;

        LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
                if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
                        struct ice_prof_id_section *p;
                        u32 id;

                        id = ice_sect_id(blk, ICE_PROF_TCAM);
                        p = (struct ice_prof_id_section *)
                                ice_pkg_buf_alloc_section(bld, id, sizeof(*p));

                        if (!p)
                                return ICE_ERR_MAX_LIMIT;

                        p->count = CPU_TO_LE16(1);
                        p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
                        p->entry[0].prof_id = tmp->prof_id;

                        ice_memcpy(p->entry[0].key,
                                   &hw->blk[blk].prof.t[tmp->tcam_idx].key,
                                   sizeof(hw->blk[blk].prof.t->key),
                                   ICE_NONDMA_TO_NONDMA);
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_prof_bld_xlt1 - build XLT1 changes
 * @blk: hardware block
 * @bld: the update package buffer build to add to
 * @chgs: the list of changes to make in hardware
 */
static enum ice_status
ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
                  struct LIST_HEAD_TYPE *chgs)
{
        struct ice_chs_chg *tmp;

        LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
                if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
                        struct ice_xlt1_section *p;
                        u32 id;

                        id = ice_sect_id(blk, ICE_XLT1);
                        p = (struct ice_xlt1_section *)
                                ice_pkg_buf_alloc_section(bld, id, sizeof(*p));

                        if (!p)
                                return ICE_ERR_MAX_LIMIT;

                        p->count = CPU_TO_LE16(1);
                        p->offset = CPU_TO_LE16(tmp->ptype);
                        p->value[0] = tmp->ptg;
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_prof_bld_xlt2 - build XLT2 changes
 * @blk: hardware block
 * @bld: the update package buffer build to add to
 * @chgs: the list of changes to make in hardware
 */
static enum ice_status
ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
                  struct LIST_HEAD_TYPE *chgs)
{
        struct ice_chs_chg *tmp;

        LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
                bool found = false;

                if (tmp->type == ICE_VSIG_ADD)
                        found = true;
                else if (tmp->type == ICE_VSI_MOVE)
                        found = true;
                else if (tmp->type == ICE_VSIG_REM)
                        found = true;

                if (found) {
                        struct ice_xlt2_section *p;
                        u32 id;

                        id = ice_sect_id(blk, ICE_XLT2);
                        p = (struct ice_xlt2_section *)
                                ice_pkg_buf_alloc_section(bld, id, sizeof(*p));

                        if (!p)
                                return ICE_ERR_MAX_LIMIT;

                        p->count = CPU_TO_LE16(1);
                        p->offset = CPU_TO_LE16(tmp->vsi);
                        p->value[0] = CPU_TO_LE16(tmp->vsig);
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_upd_prof_hw - update hardware using the change list
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @chgs: the list of changes to make in hardware
 */
static enum ice_status
ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
                struct LIST_HEAD_TYPE *chgs)
{
        struct ice_buf_build *b;
        struct ice_chs_chg *tmp;
        enum ice_status status;
        u16 pkg_sects = 0;
        u16 sects = 0;
        u16 xlt1 = 0;
        u16 xlt2 = 0;
        u16 tcam = 0;
        u16 es = 0;

        /* count number of sections we need */
        LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
                switch (tmp->type) {
                case ICE_PTG_ES_ADD:
                        if (tmp->add_ptg)
                                xlt1++;
                        if (tmp->add_prof)
                                es++;
                        break;
                case ICE_TCAM_ADD:
                        tcam++;
                        break;
                case ICE_VSIG_ADD:
                case ICE_VSI_MOVE:
                case ICE_VSIG_REM:
                        xlt2++;
                        break;
                default:
                        break;
                }
        }
        sects = xlt1 + xlt2 + tcam + es;

        if (!sects)
                return ICE_SUCCESS;

        /* Build update package buffer */
        b = ice_pkg_buf_alloc(hw);
        if (!b)
                return ICE_ERR_NO_MEMORY;

        status = ice_pkg_buf_reserve_section(b, sects);
        if (status)
                goto error_tmp;

        /* Preserve order of table update: ES, TCAM, PTG, VSIG */
        if (es) {
                status = ice_prof_bld_es(hw, blk, b, chgs);
                if (status)
                        goto error_tmp;
        }

        if (tcam) {
                status = ice_prof_bld_tcam(hw, blk, b, chgs);
                if (status)
                        goto error_tmp;
        }

        if (xlt1) {
                status = ice_prof_bld_xlt1(blk, b, chgs);
                if (status)
                        goto error_tmp;
        }

        if (xlt2) {
                status = ice_prof_bld_xlt2(blk, b, chgs);
                if (status)
                        goto error_tmp;
        }

        /* After package buffer build check if the section count in buffer is
         * non-zero and matches the number of sections detected for package
         * update.
         */
        pkg_sects = ice_pkg_buf_get_active_sections(b);
        if (!pkg_sects || pkg_sects != sects) {
                status = ICE_ERR_INVAL_SIZE;
                goto error_tmp;
        }

        /* update package */
        status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
        if (status == ICE_ERR_AQ_ERROR)
                ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile.");

error_tmp:
        ice_pkg_buf_free(hw, b);
        return status;
}

/**
 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
 * @hw: pointer to the HW struct
 * @prof_id: profile ID
 * @mask_sel: mask select
 *
 * This function enable any of the masks selected by the mask select parameter
 * for the profile specified.
 */
static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
{
        wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);

        ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
                  GLQF_FDMASK_SEL(prof_id), mask_sel);
}

#define ICE_SRC_DST_MAX_COUNT   8

struct ice_fd_src_dst_pair {
        u8 prot_id;
        u8 count;
        u16 off;
};

static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
        /* These are defined in pairs */
        { ICE_PROT_IPV4_OF_OR_S, 2, 12 },
        { ICE_PROT_IPV4_OF_OR_S, 2, 16 },

        { ICE_PROT_IPV4_IL, 2, 12 },
        { ICE_PROT_IPV4_IL, 2, 16 },

        { ICE_PROT_IPV6_OF_OR_S, 8, 8 },
        { ICE_PROT_IPV6_OF_OR_S, 8, 24 },

        { ICE_PROT_IPV6_IL, 8, 8 },
        { ICE_PROT_IPV6_IL, 8, 24 },

        { ICE_PROT_TCP_IL, 1, 0 },
        { ICE_PROT_TCP_IL, 1, 2 },

        { ICE_PROT_UDP_OF, 1, 0 },
        { ICE_PROT_UDP_OF, 1, 2 },

        { ICE_PROT_UDP_IL_OR_S, 1, 0 },
        { ICE_PROT_UDP_IL_OR_S, 1, 2 },

        { ICE_PROT_SCTP_IL, 1, 0 },
        { ICE_PROT_SCTP_IL, 1, 2 }
};

#define ICE_FD_SRC_DST_PAIR_COUNT       ARRAY_SIZE(ice_fd_pairs)

/**
 * ice_update_fd_swap - set register appropriately for a FD FV extraction
 * @hw: pointer to the HW struct
 * @prof_id: profile ID
 * @es: extraction sequence (length of array is determined by the block)
 */
static enum ice_status
ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
{
        ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
        u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
#define ICE_FD_FV_NOT_FOUND (-2)
        s8 first_free = ICE_FD_FV_NOT_FOUND;
        u8 used[ICE_MAX_FV_WORDS] = { 0 };
        s8 orig_free, si;
        u32 mask_sel = 0;
        u8 i, j, k;

        ice_memset(pair_list, 0, sizeof(pair_list), ICE_NONDMA_MEM);

        ice_init_fd_mask_regs(hw);

        /* This code assumes that the Flow Director field vectors are assigned
         * from the end of the FV indexes working towards the zero index, that
         * only complete fields will be included and will be consecutive, and
         * that there are no gaps between valid indexes.
         */

        /* Determine swap fields present */
        for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
                /* Find the first free entry, assuming right to left population.
                 * This is where we can start adding additional pairs if needed.
                 */
                if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
                    ICE_PROT_INVALID)
                        first_free = i - 1;

                for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
                        if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
                            es[i].off == ice_fd_pairs[j].off) {
                                ice_set_bit(j, pair_list);
                                pair_start[j] = i;
                        }
                }
        }

        orig_free = first_free;

        /* determine missing swap fields that need to be added */
        for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
                u8 bit1 = ice_is_bit_set(pair_list, i + 1);
                u8 bit0 = ice_is_bit_set(pair_list, i);

                if (bit0 ^ bit1) {
                        u8 index;

                        /* add the appropriate 'paired' entry */
                        if (!bit0)
                                index = i;
                        else
                                index = i + 1;

                        /* check for room */
                        if (first_free + 1 < ice_fd_pairs[index].count)
                                return ICE_ERR_MAX_LIMIT;

                        /* place in extraction sequence */
                        for (k = 0; k < ice_fd_pairs[index].count; k++) {
                                es[first_free - k].prot_id =
                                        ice_fd_pairs[index].prot_id;
                                es[first_free - k].off =
                                        ice_fd_pairs[index].off + (k * 2);

                                /* keep track of non-relevant fields */
                                mask_sel |= 1 << (first_free - k);
                        }

                        pair_start[index] = first_free;
                        first_free -= ice_fd_pairs[index].count;
                }
        }

        /* fill in the swap array */
        si = hw->blk[ICE_BLK_FD].es.fvw - 1;
        do {
                u8 indexes_used = 1;

                /* assume flat at this index */
#define ICE_SWAP_VALID  0x80
                used[si] = si | ICE_SWAP_VALID;

                if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
                        si -= indexes_used;
                        continue;
                }

                /* check for a swap location */
                for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
                        if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
                            es[si].off == ice_fd_pairs[j].off) {
                                u8 idx;

                                /* determine the appropriate matching field */
                                idx = j + ((j % 2) ? -1 : 1);

                                indexes_used = ice_fd_pairs[idx].count;
                                for (k = 0; k < indexes_used; k++) {
                                        used[si - k] = (pair_start[idx] - k) |
                                                ICE_SWAP_VALID;
                                }

                                break;
                        }
                }

                si -= indexes_used;
        } while (si >= 0);

        /* for each set of 4 swap indexes, write the appropriate register */
        for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
                u32 raw_entry = 0;

                for (k = 0; k < 4; k++) {
                        u8 idx;

                        idx = (j * 4) + k;
                        if (used[idx])
                                raw_entry |= used[idx] << (k * 8);
                }

                /* write the appropriate register set, based on HW block */
                wr32(hw, GLQF_FDSWAP(prof_id, j), raw_entry);

                ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %x\n",
                          prof_id, j, GLQF_FDSWAP(prof_id, j), raw_entry);
        }

        /* update the masks for this profile to be sure we ignore fields that
         * are not relevant to our match criteria
         */
        ice_update_fd_mask(hw, prof_id, mask_sel);

        return ICE_SUCCESS;
}

/**
 * ice_add_prof - add profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @id: profile tracking ID
 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
 * @es: extraction sequence (length of array is determined by the block)
 *
 * This function registers a profile, which matches a set of PTYPES with a
 * particular extraction sequence. While the hardware profile is allocated
 * it will not be written until the first call to ice_add_flow that specifies
 * the ID value used here.
 */
enum ice_status
ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
             struct ice_fv_word *es)
{
        u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
        struct ice_prof_map *prof;
        enum ice_status status;
        u32 byte = 0;
        u8 prof_id;

        /* search for existing profile */
        status = ice_find_prof_id(hw, blk, es, &prof_id);
        if (status) {
                /* allocate profile ID */
                status = ice_alloc_prof_id(hw, blk, &prof_id);
                if (status)
                        goto err_ice_add_prof;
                if (blk == ICE_BLK_FD) {
                        /* For Flow Director block, the extraction sequence may
                         * need to be altered in the case where there are paired
                         * fields that have no match. This is necessary because
                         * for Flow Director, src and dest fields need to paired
                         * for filter programming and these values are swapped
                         * during Tx.
                         */
                        status = ice_update_fd_swap(hw, prof_id, es);
                        if (status)
                                goto err_ice_add_prof;
                }

                /* and write new es */
                ice_write_es(hw, blk, prof_id, es);
        }

        ice_prof_inc_ref(hw, blk, prof_id);

        /* add profile info */

        prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
        if (!prof)
                goto err_ice_add_prof;

        prof->profile_cookie = id;
        prof->prof_id = prof_id;
        prof->ptype_count = 0;
        prof->context = 0;

        /* build list of ptgs */
        while (bytes && prof->ptype_count < ICE_MAX_PTYPE_PER_PROFILE) {
                u32 bit;

                if (!ptypes[byte]) {
                        bytes--;
                        byte++;
                        continue;
                }
                /* Examine 8 bits per byte */
                for (bit = 0; bit < 8; bit++) {
                        if (ptypes[byte] & 1 << bit) {
                                u16 ptype;
                                u8 m;

                                ptype = byte * 8 + bit;
                                if (ptype < ICE_FLOW_PTYPE_MAX) {
                                        prof->ptype[prof->ptype_count] = ptype;

                                        if (++prof->ptype_count >=
                                                ICE_MAX_PTYPE_PER_PROFILE)
                                                break;
                                }

                                /* nothing left in byte, then exit */
                                m = ~((1 << (bit + 1)) - 1);
                                if (!(ptypes[byte] & m))
                                        break;
                        }
                }

                bytes--;
                byte++;
        }
        LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);

        return ICE_SUCCESS;

err_ice_add_prof:
        return status;
}

/**
 * ice_search_prof_id - Search for a profile tracking ID
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @id: profile tracking ID
 *
 * This will search for a profile tracking ID which was previously added.
 */
struct ice_prof_map *
ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
{
        struct ice_prof_map *entry = NULL;
        struct ice_prof_map *map;

        LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map,
                            list) {
                if (map->profile_cookie == id) {
                        entry = map;
                        break;
                }
        }

        return entry;
}

/**
 * ice_set_prof_context - Set context for a given profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @id: profile tracking ID
 * @cntxt: context
 */
struct ice_prof_map *
ice_set_prof_context(struct ice_hw *hw, enum ice_block blk, u64 id, u64 cntxt)
{
        struct ice_prof_map *entry;

        entry = ice_search_prof_id(hw, blk, id);
        if (entry)
                entry->context = cntxt;

        return entry;
}

/**
 * ice_get_prof_context - Get context for a given profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @id: profile tracking ID
 * @cntxt: pointer to variable to receive the context
 */
struct ice_prof_map *
ice_get_prof_context(struct ice_hw *hw, enum ice_block blk, u64 id, u64 *cntxt)
{
        struct ice_prof_map *entry;

        entry = ice_search_prof_id(hw, blk, id);
        if (entry)
                *cntxt = entry->context;

        return entry;
}

/**
 * ice_vsig_prof_id_count - count profiles in a VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsig: VSIG to remove the profile from
 */
static u16
ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
{
        u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
        struct ice_vsig_prof *p;

        LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                            ice_vsig_prof, list) {
                count++;
        }

        return count;
}

/**
 * ice_rel_tcam_idx - release a TCAM index
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @idx: the index to release
 */
static enum ice_status
ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
{
        /* Masks to invoke a never match entry */
        u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
        u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
        u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
        enum ice_status status;

        /* write the TCAM entry */
        status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
                                      dc_msk, nm_msk);
        if (status)
                return status;

        /* release the TCAM entry */
        status = ice_free_tcam_ent(hw, blk, idx);

        return status;
}

/**
 * ice_rem_prof_id - remove one profile from a VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @prof: pointer to profile structure to remove
 */
static enum ice_status
ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
                struct ice_vsig_prof *prof)
{
        enum ice_status status;
        u16 i;

        for (i = 0; i < prof->tcam_count; i++) {
                prof->tcam[i].in_use = false;
                status = ice_rel_tcam_idx(hw, blk, prof->tcam[i].tcam_idx);
                if (status)
                        return ICE_ERR_HW_TABLE;
        }

        return ICE_SUCCESS;
}

/**
 * ice_rem_vsig - remove VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsig: the VSIG to remove
 * @chg: the change list
 */
static enum ice_status
ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
             struct LIST_HEAD_TYPE *chg)
{
        u16 idx = vsig & ICE_VSIG_IDX_M;
        struct ice_vsig_vsi *vsi_cur;
        struct ice_vsig_prof *d, *t;
        enum ice_status status;

        /* remove TCAM entries */
        LIST_FOR_EACH_ENTRY_SAFE(d, t,
                                 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                                 ice_vsig_prof, list) {
                status = ice_rem_prof_id(hw, blk, d);
                if (status)
                        return status;

                LIST_DEL(&d->list);
                ice_free(hw, d);
        }

        /* Move all VSIS associated with this VSIG to the default VSIG */
        vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
        if (!vsi_cur)
                return ICE_ERR_CFG;

        do {
                struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
                struct ice_chs_chg *p;

                p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
                if (!p)
                        goto err_ice_rem_vsig;

                p->type = ICE_VSIG_REM;
                p->orig_vsig = vsig;
                p->vsig = ICE_DEFAULT_VSIG;
                p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;

                LIST_ADD(&p->list_entry, chg);

                status = ice_vsig_free(hw, blk, vsig);
                if (status)
                        return status;

                vsi_cur = tmp;
        } while (vsi_cur);

        return ICE_SUCCESS;

err_ice_rem_vsig:
        /* the caller will free up the change list */
        return ICE_ERR_NO_MEMORY;
}

/**
 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsig: VSIG to remove the profile from
 * @hdl: profile handle indicating which profile to remove
 * @chg: list to receive a record of changes
 */
static enum ice_status
ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
                     struct LIST_HEAD_TYPE *chg)
{
        u16 idx = vsig & ICE_VSIG_IDX_M;
        struct ice_vsig_prof *p, *t;
        enum ice_status status;

        LIST_FOR_EACH_ENTRY_SAFE(p, t,
                                 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                                 ice_vsig_prof, list) {
                if (p->profile_cookie == hdl) {
                        if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
                                /* this is the last profile, remove the VSIG */
                                return ice_rem_vsig(hw, blk, vsig, chg);

                        status = ice_rem_prof_id(hw, blk, p);
                        if (!status) {
                                LIST_DEL(&p->list);
                                ice_free(hw, p);
                        }
                        return status;
                }
        }

        return ICE_ERR_DOES_NOT_EXIST;
}

/**
 * ice_rem_flow_all - remove all flows with a particular profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @id: profile tracking ID
 */
static enum ice_status
ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
{
        struct ice_chs_chg *del, *tmp;
        struct LIST_HEAD_TYPE chg;
        enum ice_status status;
        u16 i;

        INIT_LIST_HEAD(&chg);

        for (i = 1; i < ICE_MAX_VSIGS; i++) {
                if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
                        if (ice_has_prof_vsig(hw, blk, i, id)) {
                                status = ice_rem_prof_id_vsig(hw, blk, i, id,
                                                              &chg);
                                if (status)
                                        goto err_ice_rem_flow_all;
                        }
                }
        }

        status = ice_upd_prof_hw(hw, blk, &chg);

err_ice_rem_flow_all:
        LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
                LIST_DEL(&del->list_entry);
                ice_free(hw, del);
        }

        return status;
}

/**
 * ice_rem_prof - remove profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @id: profile tracking ID
 *
 * This will remove the profile specified by the ID parameter, which was
 * previously created through ice_add_prof. If any existing entries
 * are associated with this profile, they will be removed as well.
 */
enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
{
        enum ice_status status;
        struct ice_prof_map *pmap;

        pmap = ice_search_prof_id(hw, blk, id);
        if (!pmap)
                return ICE_ERR_DOES_NOT_EXIST;

        status = ice_free_prof_id(hw, blk, pmap->prof_id);

        if (status)
                return status;

        /* remove all flows with this profile */
        status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
        if (status)
                return status;
        /* dereference profile, and possibly remove */
        ice_prof_dec_ref(hw, blk, pmap->prof_id);

        LIST_DEL(&pmap->list);
        ice_free(hw, pmap);

        return ICE_SUCCESS;
}

/**
 * ice_get_prof_ptgs - get ptgs for profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @hdl: profile handle
 * @chg: change list
 */
static enum ice_status
ice_get_prof_ptgs(struct ice_hw *hw, enum ice_block blk, u64 hdl,
                  struct LIST_HEAD_TYPE *chg)
{
        struct ice_prof_map *map;
        struct ice_chs_chg *p;
        u16 i;

        /* Get the details on the profile specified by the handle ID */
        map = ice_search_prof_id(hw, blk, hdl);
        if (!map)
                return ICE_ERR_DOES_NOT_EXIST;

        for (i = 0; i < map->ptype_count; i++) {
                enum ice_status status;
                bool add;
                u8 ptg;

                status = ice_get_ptg(hw, blk, map->ptype[i], &ptg, &add);
                if (status)
                        goto err_ice_get_prof_ptgs;

                if (add || !hw->blk[blk].es.written[map->prof_id]) {
                        /* add PTG to change list */
                        p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
                        if (!p)
                                goto err_ice_get_prof_ptgs;

                        p->type = ICE_PTG_ES_ADD;
                        p->ptype = map->ptype[i];
                        p->ptg = ptg;
                        p->add_ptg = add;

                        p->add_prof = !hw->blk[blk].es.written[map->prof_id];
                        p->prof_id = map->prof_id;

                        hw->blk[blk].es.written[map->prof_id] = true;

                        LIST_ADD(&p->list_entry, chg);
                }
        }

        return ICE_SUCCESS;

err_ice_get_prof_ptgs:
        /* let caller clean up the change list */
        return ICE_ERR_NO_MEMORY;
}

/**
 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsig: VSIG from which to copy the list
 * @lst: output list
 *
 * This routine makes a copy of the list of profiles in the specified VSIG.
 */
static enum ice_status
ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
                   struct LIST_HEAD_TYPE *lst)
{
        struct ice_vsig_prof *ent1, *ent2;
        u16 idx = vsig & ICE_VSIG_IDX_M;

        LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                            ice_vsig_prof, list) {
                struct ice_vsig_prof *p;

                /* copy to the input list */
                p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
                if (!p)
                        goto err_ice_get_profs_vsig;

                ice_memcpy(p, ent1, sizeof(*p), ICE_NONDMA_TO_NONDMA);

                LIST_ADD(&p->list, lst);
        }

        return ICE_SUCCESS;

err_ice_get_profs_vsig:
        LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
                LIST_DEL(&ent1->list);
                ice_free(hw, ent1);
        }

        return ICE_ERR_NO_MEMORY;
}

/**
 * ice_add_prof_to_lst - add profile entry to a list
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @lst: the list to be added to
 * @hdl: profile handle of entry to add
 */
static enum ice_status
ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
                    struct LIST_HEAD_TYPE *lst, u64 hdl)
{
        struct ice_vsig_prof *p;
        struct ice_prof_map *map;
        u16 i;

        map = ice_search_prof_id(hw, blk, hdl);
        if (!map)
                return ICE_ERR_DOES_NOT_EXIST;

        p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
        if (!p)
                return ICE_ERR_NO_MEMORY;

        p->profile_cookie = map->profile_cookie;
        p->prof_id = map->prof_id;
        p->tcam_count = map->ptype_count;

        for (i = 0; i < map->ptype_count; i++) {
                u8 ptg;

                p->tcam[i].prof_id = map->prof_id;
                p->tcam[i].tcam_idx = ICE_INVALID_TCAM;

                ice_ptg_find_ptype(hw, blk, map->ptype[i], &ptg);

                p->tcam[i].ptg = ptg;
        }

        LIST_ADD(&p->list, lst);

        return ICE_SUCCESS;
}

/**
 * ice_move_vsi - move VSI to another VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: the VSI to move
 * @vsig: the VSIG to move the VSI to
 * @chg: the change list
 */
static enum ice_status
ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
             struct LIST_HEAD_TYPE *chg)
{
        enum ice_status status;
        struct ice_chs_chg *p;
        u16 orig_vsig;

        p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
        if (!p)
                return ICE_ERR_NO_MEMORY;

        status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
        if (!status)
                status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
        if (status) {
                ice_free(hw, p);
                return status;
        }

        p->type = ICE_VSI_MOVE;
        p->vsi = vsi;
        p->orig_vsig = orig_vsig;
        p->vsig = vsig;

        LIST_ADD(&p->list_entry, chg);

        return ICE_SUCCESS;
}

/**
 * ice_prof_tcam_ena_dis - add enable or disable TCAM change
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @enable: true to enable, false to disable
 * @vsig: the vsig of the TCAM entry
 * @tcam: pointer the TCAM info structure of the TCAM to disable
 * @chg: the change list
 *
 * This function appends an enable or disable TCAM entry in the change log
 */
static enum ice_status
ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
                      u16 vsig, struct ice_tcam_inf *tcam,
                      struct LIST_HEAD_TYPE *chg)
{
        enum ice_status status;
        struct ice_chs_chg *p;

        /* Default: enable means change the low flag bit to don't care */
        u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
        u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
        u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };

        /* If disabled, change the low flag bit to never match */
        if (!enable) {
                dc_msk[0] = 0x00;
                nm_msk[0] = 0x01;
        }

        /* add TCAM to change list */
        p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
        if (!p)
                return ICE_ERR_NO_MEMORY;

        status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
                                      tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
                                      nm_msk);
        if (status)
                goto err_ice_prof_tcam_ena_dis;

        tcam->in_use = enable;

        p->type = ICE_TCAM_ADD;
        p->add_tcam_idx = true;
        p->prof_id = tcam->prof_id;
        p->ptg = tcam->ptg;
        p->vsig = 0;
        p->tcam_idx = tcam->tcam_idx;

        /* log change */
        LIST_ADD(&p->list_entry, chg);

        return ICE_SUCCESS;

err_ice_prof_tcam_ena_dis:
        ice_free(hw, p);
        return status;
}

/**
 * ice_adj_prof_priorities - adjust profile based on priorities
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsig: the VSIG for which to adjust profile priorities
 * @chg: the change list
 */
static enum ice_status
ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
                        struct LIST_HEAD_TYPE *chg)
{
        ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
        struct ice_vsig_prof *t;
        enum ice_status status;
        u16 idx;

        ice_memset(ptgs_used, 0, sizeof(ptgs_used), ICE_NONDMA_MEM);
        idx = vsig & ICE_VSIG_IDX_M;

        /* Priority is based on the order in which the profiles are added. The
         * newest added profile has highest priority and the oldest added
         * profile has the lowest priority. Since the profile property list for
         * a VSIG is sorted from newest to oldest, this code traverses the list
         * in order and enables the first of each PTG that it finds (that is not
         * already enabled); it also disables any duplicate PTGs that it finds
         * in the older profiles (that are currently enabled).
         */

        LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
                            ice_vsig_prof, list) {
                u16 i;

                for (i = 0; i < t->tcam_count; i++) {
                        /* Scan the priorities from newest to oldest.
                         * Make sure that the newest profiles take priority.
                         */
                        if (ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
                            t->tcam[i].in_use) {
                                /* need to mark this PTG as never match, as it
                                 * was already in use and therefore duplicate
                                 * (and lower priority)
                                 */
                                status = ice_prof_tcam_ena_dis(hw, blk, false,
                                                               vsig,
                                                               &t->tcam[i],
                                                               chg);
                                if (status)
                                        return status;
                        } else if (!ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
                                   !t->tcam[i].in_use) {
                                /* need to enable this PTG, as it in not in use
                                 * and not enabled (highest priority)
                                 */
                                status = ice_prof_tcam_ena_dis(hw, blk, true,
                                                               vsig,
                                                               &t->tcam[i],
                                                               chg);
                                if (status)
                                        return status;
                        }

                        /* keep track of used ptgs */
                        ice_set_bit(t->tcam[i].ptg, ptgs_used);
                }
        }

        return ICE_SUCCESS;
}

/**
 * ice_add_prof_id_vsig - add profile to VSIG
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsig: the VSIG to which this profile is to be added
 * @hdl: the profile handle indicating the profile to add
 * @chg: the change list
 */
static enum ice_status
ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
                     struct LIST_HEAD_TYPE *chg)
{
        /* Masks that ignore flags */
        u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
        u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
        u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
        struct ice_prof_map *map;
        struct ice_vsig_prof *t;
        struct ice_chs_chg *p;
        u16 i;

        /* Get the details on the profile specified by the handle ID */
        map = ice_search_prof_id(hw, blk, hdl);
        if (!map)
                return ICE_ERR_DOES_NOT_EXIST;

        /* Error, if this VSIG already has this profile */
        if (ice_has_prof_vsig(hw, blk, vsig, hdl))
                return ICE_ERR_ALREADY_EXISTS;

        /* new VSIG profile structure */
        t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
        if (!t)
                goto err_ice_add_prof_id_vsig;

        t->profile_cookie = map->profile_cookie;
        t->prof_id = map->prof_id;
        t->tcam_count = map->ptype_count;

        /* create TCAM entries */
        for (i = 0; i < map->ptype_count; i++) {
                enum ice_status status;
                u16 tcam_idx;
                bool add;
                u8 ptg;

                /* If properly sequenced, we should never have to allocate new
                 * PTGs
                 */
                status = ice_get_ptg(hw, blk, map->ptype[i], &ptg, &add);
                if (status)
                        goto err_ice_add_prof_id_vsig;

                /* add TCAM to change list */
                p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
                if (!p)
                        goto err_ice_add_prof_id_vsig;

                /* allocate the TCAM entry index */
                status = ice_alloc_tcam_ent(hw, blk, &tcam_idx);
                if (status) {
                        ice_free(hw, p);
                        goto err_ice_add_prof_id_vsig;
                }

                t->tcam[i].ptg = ptg;
                t->tcam[i].prof_id = map->prof_id;
                t->tcam[i].tcam_idx = tcam_idx;
                t->tcam[i].in_use = true;

                p->type = ICE_TCAM_ADD;
                p->add_tcam_idx = true;
                p->prof_id = t->tcam[i].prof_id;
                p->ptg = t->tcam[i].ptg;
                p->vsig = vsig;
                p->tcam_idx = t->tcam[i].tcam_idx;

                /* write the TCAM entry */
                status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
                                              t->tcam[i].prof_id,
                                              t->tcam[i].ptg, vsig, 0, 0,
                                              vl_msk, dc_msk, nm_msk);
                if (status)
                        goto err_ice_add_prof_id_vsig;

                /* log change */
                LIST_ADD(&p->list_entry, chg);
        }

        /* add profile to VSIG */
        LIST_ADD(&t->list,
                 &hw->blk[blk].xlt2.vsig_tbl[(vsig & ICE_VSIG_IDX_M)].prop_lst);

        return ICE_SUCCESS;

err_ice_add_prof_id_vsig:
        /* let caller clean up the change list */
        ice_free(hw, t);
        return ICE_ERR_NO_MEMORY;
}

/**
 * ice_create_prof_id_vsig - add a new VSIG with a single profile
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: the initial VSI that will be in VSIG
 * @hdl: the profile handle of the profile that will be added to the VSIG
 * @chg: the change list
 */
static enum ice_status
ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
                        struct LIST_HEAD_TYPE *chg)
{
        enum ice_status status;
        struct ice_chs_chg *p;
        u16 new_vsig;

        p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
        if (!p)
                return ICE_ERR_NO_MEMORY;

        new_vsig = ice_vsig_alloc(hw, blk);
        if (!new_vsig) {
                status = ICE_ERR_HW_TABLE;
                goto err_ice_create_prof_id_vsig;
        }

        status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
        if (status)
                goto err_ice_create_prof_id_vsig;

        status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, chg);
        if (status)
                goto err_ice_create_prof_id_vsig;

        p->type = ICE_VSIG_ADD;
        p->vsi = vsi;
        p->orig_vsig = ICE_DEFAULT_VSIG;
        p->vsig = new_vsig;

        LIST_ADD(&p->list_entry, chg);

        return ICE_SUCCESS;

err_ice_create_prof_id_vsig:
        /* let caller clean up the change list */
        ice_free(hw, p);
        return status;
}

/**
 * ice_create_vsig_from_list - create a new VSIG with a list of profiles
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: the initial VSI that will be in VSIG
 * @lst: the list of profile that will be added to the VSIG
 * @chg: the change list
 */
static enum ice_status
ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
                         struct LIST_HEAD_TYPE *lst, struct LIST_HEAD_TYPE *chg)
{
        struct ice_vsig_prof *t;
        enum ice_status status;
        u16 vsig;

        vsig = ice_vsig_alloc(hw, blk);
        if (!vsig)
                return ICE_ERR_HW_TABLE;

        status = ice_move_vsi(hw, blk, vsi, vsig, chg);
        if (status)
                return status;

        LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
                status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
                                              chg);
                if (status)
                        return status;
        }

        return ICE_SUCCESS;
}

/**
 * ice_find_prof_vsig - find a VSIG with a specific profile handle
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @hdl: the profile handle of the profile to search for
 * @vsig: returns the VSIG with the matching profile
 */
static bool
ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
{
        struct ice_vsig_prof *t;
        struct LIST_HEAD_TYPE lst;
        enum ice_status status;

        INIT_LIST_HEAD(&lst);

        t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
        if (!t)
                return false;

        t->profile_cookie = hdl;
        LIST_ADD(&t->list, &lst);

        status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);

        LIST_DEL(&t->list);
        ice_free(hw, t);

        return status == ICE_SUCCESS;
}

/**
 * ice_add_prof_id_flow - add profile flow
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: the VSI to enable with the profile specified by ID
 * @hdl: profile handle
 *
 * Calling this function will update the hardware tables to enable the
 * profile indicated by the ID parameter for the VSIs specified in the VSI
 * array. Once successfully called, the flow will be enabled.
 */
enum ice_status
ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
{
        struct ice_vsig_prof *tmp1, *del1;
        struct LIST_HEAD_TYPE union_lst;
        struct ice_chs_chg *tmp, *del;
        struct LIST_HEAD_TYPE chrs;
        struct LIST_HEAD_TYPE chg;
        enum ice_status status;
        u16 vsig, or_vsig = 0;

        INIT_LIST_HEAD(&union_lst);
        INIT_LIST_HEAD(&chrs);
        INIT_LIST_HEAD(&chg);

        status = ice_get_prof_ptgs(hw, blk, hdl, &chg);
        if (status)
                return status;

        /* determine if VSI is already part of a VSIG */
        status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
        if (!status && vsig) {
                bool only_vsi;
                u16 ref;

                /* found in vsig */
                or_vsig = vsig;

                /* make sure that there is no overlap/conflict between the new
                 * characteristics and the existing ones; we don't support that
                 * scenario
                 */
                if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
                        status = ICE_ERR_ALREADY_EXISTS;
                        goto err_ice_add_prof_id_flow;
                }

                /* last VSI in the VSIG? */
                status = ice_vsig_get_ref(hw, blk, vsig, &ref);
                if (status)
                        goto err_ice_add_prof_id_flow;
                only_vsi = (ref == 1);

                /* create a union of the current profiles and the one being
                 * added
                 */
                status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
                if (status)
                        goto err_ice_add_prof_id_flow;

                status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
                if (status)
                        goto err_ice_add_prof_id_flow;

                /* search for an existing VSIG with an exact charc match */
                status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
                if (!status) {
                        /* found an exact match */
                        /* move vsi to the VSIG that matches */
                        status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;

                        /* remove original VSIG if we just moved the only VSI
                         * from it
                         */
                        if (only_vsi) {
                                status = ice_rem_vsig(hw, blk, or_vsig, &chg);
                                if (status)
                                        goto err_ice_add_prof_id_flow;
                        }
                } else if (only_vsi) {
                        /* If the original VSIG only contains one VSI, then it
                         * will be the requesting VSI. In this case the VSI is
                         * not sharing entries and we can simply add the new
                         * profile to the VSIG.
                         */
                        status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;

                        /* Adjust priorities */
                        status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;
                } else {
                        /* No match, so we need a new VSIG */
                        status = ice_create_vsig_from_lst(hw, blk, vsi,
                                                          &union_lst, &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;

                        /* Adjust priorities */
                        status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;
                }
        } else {
                /* need to find or add a VSIG */
                /* search for an existing VSIG with an exact charc match */
                if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
                        /* found an exact match */
                        /* add or move VSI to the VSIG that matches */
                        status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;
                } else {
                        /* we did not find an exact match */
                        /* we need to add a VSIG */
                        status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
                                                         &chg);
                        if (status)
                                goto err_ice_add_prof_id_flow;
                }
        }

        /* update hardware */
        if (!status)
                status = ice_upd_prof_hw(hw, blk, &chg);

err_ice_add_prof_id_flow:
        LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
                LIST_DEL(&del->list_entry);
                ice_free(hw, del);
        }

        LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
                LIST_DEL(&del1->list);
                ice_free(hw, del1);
        }

        LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &chrs, ice_vsig_prof, list) {
                LIST_DEL(&del1->list);
                ice_free(hw, del1);
        }

        return status;
}

/**
 * ice_add_flow - add flow
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: array of VSIs to enable with the profile specified by ID
 * @count: number of elements in the VSI array
 * @id: profile tracking ID
 *
 * Calling this function will update the hardware tables to enable the
 * profile indicated by the ID parameter for the VSIs specified in the VSI
 * array. Once successfully called, the flow will be enabled.
 */
enum ice_status
ice_add_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi[], u8 count,
             u64 id)
{
        enum ice_status status;
        u16 i;

        for (i = 0; i < count; i++) {
                status = ice_add_prof_id_flow(hw, blk, vsi[i], id);
                if (status)
                        return status;
        }

        return ICE_SUCCESS;
}

/**
 * ice_rem_prof_from_list - remove a profile from list
 * @hw: pointer to the HW struct
 * @lst: list to remove the profile from
 * @hdl: the profile handle indicating the profile to remove
 */
static enum ice_status
ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
{
        struct ice_vsig_prof *ent, *tmp;

        LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) {
                if (ent->profile_cookie == hdl) {
                        LIST_DEL(&ent->list);
                        ice_free(hw, ent);
                        return ICE_SUCCESS;
                }
        }

        return ICE_ERR_DOES_NOT_EXIST;
}

/**
 * ice_rem_prof_id_flow - remove flow
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: the VSI from which to remove the profile specified by ID
 * @hdl: profile tracking handle
 *
 * Calling this function will update the hardware tables to remove the
 * profile indicated by the ID parameter for the VSIs specified in the VSI
 * array. Once successfully called, the flow will be disabled.
 */
enum ice_status
ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
{
        struct ice_vsig_prof *tmp1, *del1;
        struct LIST_HEAD_TYPE chg, copy;
        struct ice_chs_chg *tmp, *del;
        enum ice_status status;
        u16 vsig;

        INIT_LIST_HEAD(&copy);
        INIT_LIST_HEAD(&chg);

        /* determine if VSI is already part of a VSIG */
        status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
        if (!status && vsig) {
                bool last_profile;
                bool only_vsi;
                u16 ref;

                /* found in VSIG */
                last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
                status = ice_vsig_get_ref(hw, blk, vsig, &ref);
                if (status)
                        goto err_ice_rem_prof_id_flow;
                only_vsi = (ref == 1);

                if (only_vsi) {
                        /* If the original VSIG only contains one reference,
                         * which will be the requesting VSI, then the VSI is not
                         * sharing entries and we can simply remove the specific
                         * characteristics from the VSIG.
                         */

                        if (last_profile) {
                                /* If there are no profiles left for this VSIG,
                                 * then simply remove the the VSIG.
                                 */
                                status = ice_rem_vsig(hw, blk, vsig, &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;
                        } else {
                                status = ice_rem_prof_id_vsig(hw, blk, vsig,
                                                              hdl, &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;

                                /* Adjust priorities */
                                status = ice_adj_prof_priorities(hw, blk, vsig,
                                                                 &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;
                        }

                } else {
                        /* Make a copy of the VSIG's list of Profiles */
                        status = ice_get_profs_vsig(hw, blk, vsig, &copy);
                        if (status)
                                goto err_ice_rem_prof_id_flow;

                        /* Remove specified profile entry from the list */
                        status = ice_rem_prof_from_list(hw, &copy, hdl);
                        if (status)
                                goto err_ice_rem_prof_id_flow;

                        if (LIST_EMPTY(&copy)) {
                                status = ice_move_vsi(hw, blk, vsi,
                                                      ICE_DEFAULT_VSIG, &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;

                        } else if (!ice_find_dup_props_vsig(hw, blk, &copy,
                                                            &vsig)) {
                                /* found an exact match */
                                /* add or move VSI to the VSIG that matches */
                                /* Search for a VSIG with a matching profile
                                 * list
                                 */

                                /* Found match, move VSI to the matching VSIG */
                                status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;
                        } else {
                                /* since no existing VSIG supports this
                                 * characteristic pattern, we need to create a
                                 * new VSIG and TCAM entries
                                 */
                                status = ice_create_vsig_from_lst(hw, blk, vsi,
                                                                  &copy, &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;

                                /* Adjust priorities */
                                status = ice_adj_prof_priorities(hw, blk, vsig,
                                                                 &chg);
                                if (status)
                                        goto err_ice_rem_prof_id_flow;
                        }
                }
        } else {
                status = ICE_ERR_DOES_NOT_EXIST;
        }

        /* update hardware tables */
        if (!status)
                status = ice_upd_prof_hw(hw, blk, &chg);

err_ice_rem_prof_id_flow:
        LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
                LIST_DEL(&del->list_entry);
                ice_free(hw, del);
        }

        LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &copy, ice_vsig_prof, list) {
                LIST_DEL(&del1->list);
                ice_free(hw, del1);
        }

        return status;
}

/**
 * ice_rem_flow - remove flow
 * @hw: pointer to the HW struct
 * @blk: hardware block
 * @vsi: array of VSIs from which to remove the profile specified by ID
 * @count: number of elements in the VSI array
 * @id: profile tracking ID
 *
 * The function will remove flows from the specified VSIs that were enabled
 * using ice_add_flow. The ID value will indicated which profile will be
 * removed. Once successfully called, the flow will be disabled.
 */
enum ice_status
ice_rem_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi[], u8 count,
             u64 id)
{
        enum ice_status status;
        u16 i;

        for (i = 0; i < count; i++) {
                status = ice_rem_prof_id_flow(hw, blk, vsi[i], id);
                if (status)
                        return status;
        }

        return ICE_SUCCESS;
}