net/ice/base: add helper functions for flow management

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

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2001-2018
 */

#include "ice_switch.h"
#include "ice_flex_type.h"
#include "ice_flow.h"


#define ICE_ETH_DA_OFFSET               0
#define ICE_ETH_ETHTYPE_OFFSET          12
#define ICE_ETH_VLAN_TCI_OFFSET         14
#define ICE_MAX_VLAN_ID                 0xFFF

/* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
 * struct to configure any switch filter rules.
 * {DA (6 bytes), SA(6 bytes),
 * Ether type (2 bytes for header without VLAN tag) OR
 * VLAN tag (4 bytes for header with VLAN tag) }
 *
 * Word on Hardcoded values
 * byte 0 = 0x2: to identify it as locally administered DA MAC
 * byte 6 = 0x2: to identify it as locally administered SA MAC
 * byte 12 = 0x81 & byte 13 = 0x00:
 *      In case of VLAN filter first two bytes defines ether type (0x8100)
 *      and remaining two bytes are placeholder for programming a given VLAN ID
 *      In case of Ether type filter it is treated as header without VLAN tag
 *      and byte 12 and 13 is used to program a given Ether type instead
 */
#define DUMMY_ETH_HDR_LEN               16
static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
                                                        0x2, 0, 0, 0, 0, 0,
                                                        0x81, 0, 0, 0};

#define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \
        (sizeof(struct ice_aqc_sw_rules_elem) - \
         sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
         sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1)
#define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \
        (sizeof(struct ice_aqc_sw_rules_elem) - \
         sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
         sizeof(struct ice_sw_rule_lkup_rx_tx) - 1)
#define ICE_SW_RULE_LG_ACT_SIZE(n) \
        (sizeof(struct ice_aqc_sw_rules_elem) - \
         sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
         sizeof(struct ice_sw_rule_lg_act) - \
         sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \
         ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act)))
#define ICE_SW_RULE_VSI_LIST_SIZE(n) \
        (sizeof(struct ice_aqc_sw_rules_elem) - \
         sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
         sizeof(struct ice_sw_rule_vsi_list) - \
         sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \
         ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi)))


/**
 * ice_init_def_sw_recp - initialize the recipe book keeping tables
 * @hw: pointer to the HW struct
 *
 * Allocate memory for the entire recipe table and initialize the structures/
 * entries corresponding to basic recipes.
 */
enum ice_status ice_init_def_sw_recp(struct ice_hw *hw)
{
        struct ice_sw_recipe *recps;
        u8 i;

        recps = (struct ice_sw_recipe *)
                ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps));
        if (!recps)
                return ICE_ERR_NO_MEMORY;

        for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
                recps[i].root_rid = i;
                INIT_LIST_HEAD(&recps[i].filt_rules);
                INIT_LIST_HEAD(&recps[i].filt_replay_rules);
                ice_init_lock(&recps[i].filt_rule_lock);
        }

        hw->switch_info->recp_list = recps;

        return ICE_SUCCESS;
}

/**
 * ice_aq_get_sw_cfg - get switch configuration
 * @hw: pointer to the hardware structure
 * @buf: pointer to the result buffer
 * @buf_size: length of the buffer available for response
 * @req_desc: pointer to requested descriptor
 * @num_elems: pointer to number of elements
 * @cd: pointer to command details structure or NULL
 *
 * Get switch configuration (0x0200) to be placed in 'buff'.
 * This admin command returns information such as initial VSI/port number
 * and switch ID it belongs to.
 *
 * NOTE: *req_desc is both an input/output parameter.
 * The caller of this function first calls this function with *request_desc set
 * to 0. If the response from f/w has *req_desc set to 0, all the switch
 * configuration information has been returned; if non-zero (meaning not all
 * the information was returned), the caller should call this function again
 * with *req_desc set to the previous value returned by f/w to get the
 * next block of switch configuration information.
 *
 * *num_elems is output only parameter. This reflects the number of elements
 * in response buffer. The caller of this function to use *num_elems while
 * parsing the response buffer.
 */
static enum ice_status
ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp *buf,
                  u16 buf_size, u16 *req_desc, u16 *num_elems,
                  struct ice_sq_cd *cd)
{
        struct ice_aqc_get_sw_cfg *cmd;
        enum ice_status status;
        struct ice_aq_desc desc;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg);
        cmd = &desc.params.get_sw_conf;
        cmd->element = CPU_TO_LE16(*req_desc);

        status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
        if (!status) {
                *req_desc = LE16_TO_CPU(cmd->element);
                *num_elems = LE16_TO_CPU(cmd->num_elems);
        }

        return status;
}


/**
 * ice_alloc_sw - allocate resources specific to switch
 * @hw: pointer to the HW struct
 * @ena_stats: true to turn on VEB stats
 * @shared_res: true for shared resource, false for dedicated resource
 * @sw_id: switch ID returned
 * @counter_id: VEB counter ID returned
 *
 * allocates switch resources (SWID and VEB counter) (0x0208)
 */
enum ice_status
ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id,
             u16 *counter_id)
{
        struct ice_aqc_alloc_free_res_elem *sw_buf;
        struct ice_aqc_res_elem *sw_ele;
        enum ice_status status;
        u16 buf_len;

        buf_len = sizeof(*sw_buf);
        sw_buf = (struct ice_aqc_alloc_free_res_elem *)
                   ice_malloc(hw, buf_len);
        if (!sw_buf)
                return ICE_ERR_NO_MEMORY;

        /* Prepare buffer for switch ID.
         * The number of resource entries in buffer is passed as 1 since only a
         * single switch/VEB instance is allocated, and hence a single sw_id
         * is requested.
         */
        sw_buf->num_elems = CPU_TO_LE16(1);
        sw_buf->res_type =
                CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID |
                            (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
                            ICE_AQC_RES_TYPE_FLAG_DEDICATED));

        status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
                                       ice_aqc_opc_alloc_res, NULL);

        if (status)
                goto ice_alloc_sw_exit;

        sw_ele = &sw_buf->elem[0];
        *sw_id = LE16_TO_CPU(sw_ele->e.sw_resp);

        if (ena_stats) {
                /* Prepare buffer for VEB Counter */
                enum ice_adminq_opc opc = ice_aqc_opc_alloc_res;
                struct ice_aqc_alloc_free_res_elem *counter_buf;
                struct ice_aqc_res_elem *counter_ele;

                counter_buf = (struct ice_aqc_alloc_free_res_elem *)
                                ice_malloc(hw, buf_len);
                if (!counter_buf) {
                        status = ICE_ERR_NO_MEMORY;
                        goto ice_alloc_sw_exit;
                }

                /* The number of resource entries in buffer is passed as 1 since
                 * only a single switch/VEB instance is allocated, and hence a
                 * single VEB counter is requested.
                 */
                counter_buf->num_elems = CPU_TO_LE16(1);
                counter_buf->res_type =
                        CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER |
                                    ICE_AQC_RES_TYPE_FLAG_DEDICATED);
                status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
                                               opc, NULL);

                if (status) {
                        ice_free(hw, counter_buf);
                        goto ice_alloc_sw_exit;
                }
                counter_ele = &counter_buf->elem[0];
                *counter_id = LE16_TO_CPU(counter_ele->e.sw_resp);
                ice_free(hw, counter_buf);
        }

ice_alloc_sw_exit:
        ice_free(hw, sw_buf);
        return status;
}

/**
 * ice_free_sw - free resources specific to switch
 * @hw: pointer to the HW struct
 * @sw_id: switch ID returned
 * @counter_id: VEB counter ID returned
 *
 * free switch resources (SWID and VEB counter) (0x0209)
 *
 * NOTE: This function frees multiple resources. It continues
 * releasing other resources even after it encounters error.
 * The error code returned is the last error it encountered.
 */
enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id)
{
        struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf;
        enum ice_status status, ret_status;
        u16 buf_len;

        buf_len = sizeof(*sw_buf);
        sw_buf = (struct ice_aqc_alloc_free_res_elem *)
                   ice_malloc(hw, buf_len);
        if (!sw_buf)
                return ICE_ERR_NO_MEMORY;

        /* Prepare buffer to free for switch ID res.
         * The number of resource entries in buffer is passed as 1 since only a
         * single switch/VEB instance is freed, and hence a single sw_id
         * is released.
         */
        sw_buf->num_elems = CPU_TO_LE16(1);
        sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID);
        sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id);

        ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
                                           ice_aqc_opc_free_res, NULL);

        if (ret_status)
                ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");

        /* Prepare buffer to free for VEB Counter resource */
        counter_buf = (struct ice_aqc_alloc_free_res_elem *)
                        ice_malloc(hw, buf_len);
        if (!counter_buf) {
                ice_free(hw, sw_buf);
                return ICE_ERR_NO_MEMORY;
        }

        /* The number of resource entries in buffer is passed as 1 since only a
         * single switch/VEB instance is freed, and hence a single VEB counter
         * is released
         */
        counter_buf->num_elems = CPU_TO_LE16(1);
        counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER);
        counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);

        status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
                                       ice_aqc_opc_free_res, NULL);
        if (status) {
                ice_debug(hw, ICE_DBG_SW,
                          "VEB counter resource could not be freed\n");
                ret_status = status;
        }

        ice_free(hw, counter_buf);
        ice_free(hw, sw_buf);
        return ret_status;
}

/**
 * ice_aq_add_vsi
 * @hw: pointer to the HW struct
 * @vsi_ctx: pointer to a VSI context struct
 * @cd: pointer to command details structure or NULL
 *
 * Add a VSI context to the hardware (0x0210)
 */
enum ice_status
ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
               struct ice_sq_cd *cd)
{
        struct ice_aqc_add_update_free_vsi_resp *res;
        struct ice_aqc_add_get_update_free_vsi *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;

        cmd = &desc.params.vsi_cmd;
        res = &desc.params.add_update_free_vsi_res;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);

        if (!vsi_ctx->alloc_from_pool)
                cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num |
                                           ICE_AQ_VSI_IS_VALID);

        cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags);

        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);

        status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
                                 sizeof(vsi_ctx->info), cd);

        if (!status) {
                vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M;
                vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used);
                vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free);
        }

        return status;
}

/**
 * ice_aq_free_vsi
 * @hw: pointer to the HW struct
 * @vsi_ctx: pointer to a VSI context struct
 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
 * @cd: pointer to command details structure or NULL
 *
 * Free VSI context info from hardware (0x0213)
 */
enum ice_status
ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
                bool keep_vsi_alloc, struct ice_sq_cd *cd)
{
        struct ice_aqc_add_update_free_vsi_resp *resp;
        struct ice_aqc_add_get_update_free_vsi *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;

        cmd = &desc.params.vsi_cmd;
        resp = &desc.params.add_update_free_vsi_res;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);

        cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
        if (keep_vsi_alloc)
                cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC);

        status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
        if (!status) {
                vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
                vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
        }

        return status;
}

/**
 * ice_aq_update_vsi
 * @hw: pointer to the HW struct
 * @vsi_ctx: pointer to a VSI context struct
 * @cd: pointer to command details structure or NULL
 *
 * Update VSI context in the hardware (0x0211)
 */
enum ice_status
ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
                  struct ice_sq_cd *cd)
{
        struct ice_aqc_add_update_free_vsi_resp *resp;
        struct ice_aqc_add_get_update_free_vsi *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;

        cmd = &desc.params.vsi_cmd;
        resp = &desc.params.add_update_free_vsi_res;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);

        cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);

        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);

        status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
                                 sizeof(vsi_ctx->info), cd);

        if (!status) {
                vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
                vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
        }

        return status;
}

/**
 * ice_is_vsi_valid - check whether the VSI is valid or not
 * @hw: pointer to the HW struct
 * @vsi_handle: VSI handle
 *
 * check whether the VSI is valid or not
 */
bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
{
        return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
}

/**
 * ice_get_hw_vsi_num - return the HW VSI number
 * @hw: pointer to the HW struct
 * @vsi_handle: VSI handle
 *
 * return the HW VSI number
 * Caution: call this function only if VSI is valid (ice_is_vsi_valid)
 */
u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
{
        return hw->vsi_ctx[vsi_handle]->vsi_num;
}

/**
 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
 * @hw: pointer to the HW struct
 * @vsi_handle: VSI handle
 *
 * return the VSI context entry for a given VSI handle
 */
struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
{
        return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
}

/**
 * ice_save_vsi_ctx - save the VSI context for a given VSI handle
 * @hw: pointer to the HW struct
 * @vsi_handle: VSI handle
 * @vsi: VSI context pointer
 *
 * save the VSI context entry for a given VSI handle
 */
static void
ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
{
        hw->vsi_ctx[vsi_handle] = vsi;
}

/**
 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs
 * @hw: pointer to the HW struct
 * @vsi_handle: VSI handle
 */
static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
{
        struct ice_vsi_ctx *vsi;
        u8 i;

        vsi = ice_get_vsi_ctx(hw, vsi_handle);
        if (!vsi)
                return;
        ice_for_each_traffic_class(i) {
                if (vsi->lan_q_ctx[i]) {
                        ice_free(hw, vsi->lan_q_ctx[i]);
                        vsi->lan_q_ctx[i] = NULL;
                }
        }
}

/**
 * ice_clear_vsi_ctx - clear the VSI context entry
 * @hw: pointer to the HW struct
 * @vsi_handle: VSI handle
 *
 * clear the VSI context entry
 */
static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
{
        struct ice_vsi_ctx *vsi;

        vsi = ice_get_vsi_ctx(hw, vsi_handle);
        if (vsi) {
                if (!LIST_EMPTY(&vsi->rss_list_head))
                        ice_rem_all_rss_vsi_ctx(hw, vsi_handle);
                ice_clear_vsi_q_ctx(hw, vsi_handle);
                ice_destroy_lock(&vsi->rss_locks);
                ice_free(hw, vsi);
                hw->vsi_ctx[vsi_handle] = NULL;
        }
}

/**
 * ice_clear_all_vsi_ctx - clear all the VSI context entries
 * @hw: pointer to the HW struct
 */
void ice_clear_all_vsi_ctx(struct ice_hw *hw)
{
        u16 i;

        for (i = 0; i < ICE_MAX_VSI; i++)
                ice_clear_vsi_ctx(hw, i);
}

/**
 * ice_add_vsi - add VSI context to the hardware and VSI handle list
 * @hw: pointer to the HW struct
 * @vsi_handle: unique VSI handle provided by drivers
 * @vsi_ctx: pointer to a VSI context struct
 * @cd: pointer to command details structure or NULL
 *
 * Add a VSI context to the hardware also add it into the VSI handle list.
 * If this function gets called after reset for existing VSIs then update
 * with the new HW VSI number in the corresponding VSI handle list entry.
 */
enum ice_status
ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
            struct ice_sq_cd *cd)
{
        struct ice_vsi_ctx *tmp_vsi_ctx;
        enum ice_status status;

        if (vsi_handle >= ICE_MAX_VSI)
                return ICE_ERR_PARAM;
        status = ice_aq_add_vsi(hw, vsi_ctx, cd);
        if (status)
                return status;
        tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
        if (!tmp_vsi_ctx) {
                /* Create a new VSI context */
                tmp_vsi_ctx = (struct ice_vsi_ctx *)
                        ice_malloc(hw, sizeof(*tmp_vsi_ctx));
                if (!tmp_vsi_ctx) {
                        ice_aq_free_vsi(hw, vsi_ctx, false, cd);
                        return ICE_ERR_NO_MEMORY;
                }
                *tmp_vsi_ctx = *vsi_ctx;
                ice_init_lock(&tmp_vsi_ctx->rss_locks);
                INIT_LIST_HEAD(&tmp_vsi_ctx->rss_list_head);
                ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
        } else {
                /* update with new HW VSI num */
                if (tmp_vsi_ctx->vsi_num != vsi_ctx->vsi_num)
                        tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
        }

        return ICE_SUCCESS;
}

/**
 * ice_free_vsi- free VSI context from hardware and VSI handle list
 * @hw: pointer to the HW struct
 * @vsi_handle: unique VSI handle
 * @vsi_ctx: pointer to a VSI context struct
 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
 * @cd: pointer to command details structure or NULL
 *
 * Free VSI context info from hardware as well as from VSI handle list
 */
enum ice_status
ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
             bool keep_vsi_alloc, struct ice_sq_cd *cd)
{
        enum ice_status status;

        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;
        vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
        status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
        if (!status)
                ice_clear_vsi_ctx(hw, vsi_handle);
        return status;
}

/**
 * ice_update_vsi
 * @hw: pointer to the HW struct
 * @vsi_handle: unique VSI handle
 * @vsi_ctx: pointer to a VSI context struct
 * @cd: pointer to command details structure or NULL
 *
 * Update VSI context in the hardware
 */
enum ice_status
ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
               struct ice_sq_cd *cd)
{
        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;
        vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
        return ice_aq_update_vsi(hw, vsi_ctx, cd);
}

/**
 * ice_aq_get_vsi_params
 * @hw: pointer to the HW struct
 * @vsi_ctx: pointer to a VSI context struct
 * @cd: pointer to command details structure or NULL
 *
 * Get VSI context info from hardware (0x0212)
 */
enum ice_status
ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
                      struct ice_sq_cd *cd)
{
        struct ice_aqc_add_get_update_free_vsi *cmd;
        struct ice_aqc_get_vsi_resp *resp;
        struct ice_aq_desc desc;
        enum ice_status status;

        cmd = &desc.params.vsi_cmd;
        resp = &desc.params.get_vsi_resp;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params);

        cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);

        status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
                                 sizeof(vsi_ctx->info), cd);
        if (!status) {
                vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) &
                                        ICE_AQ_VSI_NUM_M;
                vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
                vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
        }

        return status;
}

/**
 * ice_aq_add_update_mir_rule - add/update a mirror rule
 * @hw: pointer to the HW struct
 * @rule_type: Rule Type
 * @dest_vsi: VSI number to which packets will be mirrored
 * @count: length of the list
 * @mr_buf: buffer for list of mirrored VSI numbers
 * @cd: pointer to command details structure or NULL
 * @rule_id: Rule ID
 *
 * Add/Update Mirror Rule (0x260).
 */
enum ice_status
ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
                           u16 count, struct ice_mir_rule_buf *mr_buf,
                           struct ice_sq_cd *cd, u16 *rule_id)
{
        struct ice_aqc_add_update_mir_rule *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;
        __le16 *mr_list = NULL;
        u16 buf_size = 0;

        switch (rule_type) {
        case ICE_AQC_RULE_TYPE_VPORT_INGRESS:
        case ICE_AQC_RULE_TYPE_VPORT_EGRESS:
                /* Make sure count and mr_buf are set for these rule_types */
                if (!(count && mr_buf))
                        return ICE_ERR_PARAM;

                buf_size = count * sizeof(__le16);
                mr_list = (__le16 *)ice_malloc(hw, buf_size);
                if (!mr_list)
                        return ICE_ERR_NO_MEMORY;
                break;
        case ICE_AQC_RULE_TYPE_PPORT_INGRESS:
        case ICE_AQC_RULE_TYPE_PPORT_EGRESS:
                /* Make sure count and mr_buf are not set for these
                 * rule_types
                 */
                if (count || mr_buf)
                        return ICE_ERR_PARAM;
                break;
        default:
                ice_debug(hw, ICE_DBG_SW,
                          "Error due to unsupported rule_type %u\n", rule_type);
                return ICE_ERR_OUT_OF_RANGE;
        }

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule);

        /* Pre-process 'mr_buf' items for add/update of virtual port
         * ingress/egress mirroring (but not physical port ingress/egress
         * mirroring)
         */
        if (mr_buf) {
                int i;

                for (i = 0; i < count; i++) {
                        u16 id;

                        id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M;

                        /* Validate specified VSI number, make sure it is less
                         * than ICE_MAX_VSI, if not return with error.
                         */
                        if (id >= ICE_MAX_VSI) {
                                ice_debug(hw, ICE_DBG_SW,
                                          "Error VSI index (%u) out-of-range\n",
                                          id);
                                ice_free(hw, mr_list);
                                return ICE_ERR_OUT_OF_RANGE;
                        }

                        /* add VSI to mirror rule */
                        if (mr_buf[i].add)
                                mr_list[i] =
                                        CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M);
                        else /* remove VSI from mirror rule */
                                mr_list[i] = CPU_TO_LE16(id);
                }
        }

        cmd = &desc.params.add_update_rule;
        if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID)
                cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) |
                                           ICE_AQC_RULE_ID_VALID_M);
        cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M);
        cmd->num_entries = CPU_TO_LE16(count);
        cmd->dest = CPU_TO_LE16(dest_vsi);

        status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd);
        if (!status)
                *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M;

        ice_free(hw, mr_list);

        return status;
}

/**
 * ice_aq_delete_mir_rule - delete a mirror rule
 * @hw: pointer to the HW struct
 * @rule_id: Mirror rule ID (to be deleted)
 * @keep_allocd: if set, the VSI stays part of the PF allocated res,
 *               otherwise it is returned to the shared pool
 * @cd: pointer to command details structure or NULL
 *
 * Delete Mirror Rule (0x261).
 */
enum ice_status
ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
                       struct ice_sq_cd *cd)
{
        struct ice_aqc_delete_mir_rule *cmd;
        struct ice_aq_desc desc;

        /* rule_id should be in the range 0...63 */
        if (rule_id >= ICE_MAX_NUM_MIRROR_RULES)
                return ICE_ERR_OUT_OF_RANGE;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule);

        cmd = &desc.params.del_rule;
        rule_id |= ICE_AQC_RULE_ID_VALID_M;
        cmd->rule_id = CPU_TO_LE16(rule_id);

        if (keep_allocd)
                cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M);

        return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}

/**
 * ice_aq_alloc_free_vsi_list
 * @hw: pointer to the HW struct
 * @vsi_list_id: VSI list ID returned or used for lookup
 * @lkup_type: switch rule filter lookup type
 * @opc: switch rules population command type - pass in the command opcode
 *
 * allocates or free a VSI list resource
 */
static enum ice_status
ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
                           enum ice_sw_lkup_type lkup_type,
                           enum ice_adminq_opc opc)
{
        struct ice_aqc_alloc_free_res_elem *sw_buf;
        struct ice_aqc_res_elem *vsi_ele;
        enum ice_status status;
        u16 buf_len;

        buf_len = sizeof(*sw_buf);
        sw_buf = (struct ice_aqc_alloc_free_res_elem *)
                ice_malloc(hw, buf_len);
        if (!sw_buf)
                return ICE_ERR_NO_MEMORY;
        sw_buf->num_elems = CPU_TO_LE16(1);

        if (lkup_type == ICE_SW_LKUP_MAC ||
            lkup_type == ICE_SW_LKUP_MAC_VLAN ||
            lkup_type == ICE_SW_LKUP_ETHERTYPE ||
            lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
            lkup_type == ICE_SW_LKUP_PROMISC ||
            lkup_type == ICE_SW_LKUP_PROMISC_VLAN) {
                sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
        } else if (lkup_type == ICE_SW_LKUP_VLAN) {
                sw_buf->res_type =
                        CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
        } else {
                status = ICE_ERR_PARAM;
                goto ice_aq_alloc_free_vsi_list_exit;
        }

        if (opc == ice_aqc_opc_free_res)
                sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id);

        status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
        if (status)
                goto ice_aq_alloc_free_vsi_list_exit;

        if (opc == ice_aqc_opc_alloc_res) {
                vsi_ele = &sw_buf->elem[0];
                *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp);
        }

ice_aq_alloc_free_vsi_list_exit:
        ice_free(hw, sw_buf);
        return status;
}

/**
 * ice_aq_set_storm_ctrl - Sets storm control configuration
 * @hw: pointer to the HW struct
 * @bcast_thresh: represents the upper threshold for broadcast storm control
 * @mcast_thresh: represents the upper threshold for multicast storm control
 * @ctl_bitmask: storm control control knobs
 *
 * Sets the storm control configuration (0x0280)
 */
enum ice_status
ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
                      u32 ctl_bitmask)
{
        struct ice_aqc_storm_cfg *cmd;
        struct ice_aq_desc desc;

        cmd = &desc.params.storm_conf;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg);

        cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M);
        cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M);
        cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask);

        return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}

/**
 * ice_aq_get_storm_ctrl - gets storm control configuration
 * @hw: pointer to the HW struct
 * @bcast_thresh: represents the upper threshold for broadcast storm control
 * @mcast_thresh: represents the upper threshold for multicast storm control
 * @ctl_bitmask: storm control control knobs
 *
 * Gets the storm control configuration (0x0281)
 */
enum ice_status
ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
                      u32 *ctl_bitmask)
{
        enum ice_status status;
        struct ice_aq_desc desc;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg);

        status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
        if (!status) {
                struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf;

                if (bcast_thresh)
                        *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) &
                                ICE_AQ_THRESHOLD_M;
                if (mcast_thresh)
                        *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) &
                                ICE_AQ_THRESHOLD_M;
                if (ctl_bitmask)
                        *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl);
        }

        return status;
}

/**
 * ice_aq_sw_rules - add/update/remove switch rules
 * @hw: pointer to the HW struct
 * @rule_list: pointer to switch rule population list
 * @rule_list_sz: total size of the rule list in bytes
 * @num_rules: number of switch rules in the rule_list
 * @opc: switch rules population command type - pass in the command opcode
 * @cd: pointer to command details structure or NULL
 *
 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
 */
static enum ice_status
ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
                u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
{
        struct ice_aq_desc desc;

        ice_debug(hw, ICE_DBG_TRACE, "ice_aq_sw_rules");

        if (opc != ice_aqc_opc_add_sw_rules &&
            opc != ice_aqc_opc_update_sw_rules &&
            opc != ice_aqc_opc_remove_sw_rules)
                return ICE_ERR_PARAM;

        ice_fill_dflt_direct_cmd_desc(&desc, opc);

        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
        desc.params.sw_rules.num_rules_fltr_entry_index =
                CPU_TO_LE16(num_rules);
        return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
}


/* ice_init_port_info - Initialize port_info with switch configuration data
 * @pi: pointer to port_info
 * @vsi_port_num: VSI number or port number
 * @type: Type of switch element (port or VSI)
 * @swid: switch ID of the switch the element is attached to
 * @pf_vf_num: PF or VF number
 * @is_vf: true if the element is a VF, false otherwise
 */
static void
ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
                   u16 swid, u16 pf_vf_num, bool is_vf)
{
        switch (type) {
        case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
                pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
                pi->sw_id = swid;
                pi->pf_vf_num = pf_vf_num;
                pi->is_vf = is_vf;
                pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
                pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
                break;
        default:
                ice_debug(pi->hw, ICE_DBG_SW,
                          "incorrect VSI/port type received\n");
                break;
        }
}

/* ice_get_initial_sw_cfg - Get initial port and default VSI data
 * @hw: pointer to the hardware structure
 */
enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
{
        struct ice_aqc_get_sw_cfg_resp *rbuf;
        enum ice_status status;
        u16 num_total_ports;
        u16 req_desc = 0;
        u16 num_elems;
        u16 j = 0;
        u16 i;

        num_total_ports = 1;

        rbuf = (struct ice_aqc_get_sw_cfg_resp *)
                ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN);

        if (!rbuf)
                return ICE_ERR_NO_MEMORY;

        /* Multiple calls to ice_aq_get_sw_cfg may be required
         * to get all the switch configuration information. The need
         * for additional calls is indicated by ice_aq_get_sw_cfg
         * writing a non-zero value in req_desc
         */
        do {
                status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
                                           &req_desc, &num_elems, NULL);

                if (status)
                        break;

                for (i = 0; i < num_elems; i++) {
                        struct ice_aqc_get_sw_cfg_resp_elem *ele;
                        u16 pf_vf_num, swid, vsi_port_num;
                        bool is_vf = false;
                        u8 type;

                        ele = rbuf[i].elements;
                        vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) &
                                ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;

                        pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) &
                                ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;

                        swid = LE16_TO_CPU(ele->swid);

                        if (LE16_TO_CPU(ele->pf_vf_num) &
                            ICE_AQC_GET_SW_CONF_RESP_IS_VF)
                                is_vf = true;

                        type = LE16_TO_CPU(ele->vsi_port_num) >>
                                ICE_AQC_GET_SW_CONF_RESP_TYPE_S;

                        switch (type) {
                        case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
                        case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT:
                                if (j == num_total_ports) {
                                        ice_debug(hw, ICE_DBG_SW,
                                                  "more ports than expected\n");
                                        status = ICE_ERR_CFG;
                                        goto out;
                                }
                                ice_init_port_info(hw->port_info,
                                                   vsi_port_num, type, swid,
                                                   pf_vf_num, is_vf);
                                j++;
                                break;
                        default:
                                break;
                        }
                }
        } while (req_desc && !status);


out:
        ice_free(hw, (void *)rbuf);
        return status;
}


/**
 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
 * @hw: pointer to the hardware structure
 * @fi: filter info structure to fill/update
 *
 * This helper function populates the lb_en and lan_en elements of the provided
 * ice_fltr_info struct using the switch's type and characteristics of the
 * switch rule being configured.
 */
static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
{
        fi->lb_en = false;
        fi->lan_en = false;
        if ((fi->flag & ICE_FLTR_TX) &&
            (fi->fltr_act == ICE_FWD_TO_VSI ||
             fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
             fi->fltr_act == ICE_FWD_TO_Q ||
             fi->fltr_act == ICE_FWD_TO_QGRP)) {
                /* Setting LB for prune actions will result in replicated
                 * packets to the internal switch that will be dropped.
                 */
                if (fi->lkup_type != ICE_SW_LKUP_VLAN)
                        fi->lb_en = true;

                /* Set lan_en to TRUE if
                 * 1. The switch is a VEB AND
                 * 2
                 * 2.1 The lookup is a directional lookup like ethertype,
                 * promiscuous, ethertype-MAC, promiscuous-VLAN
                 * and default-port OR
                 * 2.2 The lookup is VLAN, OR
                 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
                 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
                 *
                 * OR
                 *
                 * The switch is a VEPA.
                 *
                 * In all other cases, the LAN enable has to be set to false.
                 */
                if (hw->evb_veb) {
                        if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
                            fi->lkup_type == ICE_SW_LKUP_PROMISC ||
                            fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
                            fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
                            fi->lkup_type == ICE_SW_LKUP_DFLT ||
                            fi->lkup_type == ICE_SW_LKUP_VLAN ||
                            (fi->lkup_type == ICE_SW_LKUP_MAC &&
                             !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) ||
                            (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
                             !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)))
                                fi->lan_en = true;
                } else {
                        fi->lan_en = true;
                }
        }
}

/**
 * ice_ilog2 - Calculates integer log base 2 of a number
 * @n: number on which to perform operation
 */
static int ice_ilog2(u64 n)
{
        int i;

        for (i = 63; i >= 0; i--)
                if (((u64)1 << i) & n)
                        return i;

        return -1;
}


/**
 * ice_fill_sw_rule - Helper function to fill switch rule structure
 * @hw: pointer to the hardware structure
 * @f_info: entry containing packet forwarding information
 * @s_rule: switch rule structure to be filled in based on mac_entry
 * @opc: switch rules population command type - pass in the command opcode
 */
static void
ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
                 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc)
{
        u16 vlan_id = ICE_MAX_VLAN_ID + 1;
        void *daddr = NULL;
        u16 eth_hdr_sz;
        u8 *eth_hdr;
        u32 act = 0;
        __be16 *off;
        u8 q_rgn;


        if (opc == ice_aqc_opc_remove_sw_rules) {
                s_rule->pdata.lkup_tx_rx.act = 0;
                s_rule->pdata.lkup_tx_rx.index =
                        CPU_TO_LE16(f_info->fltr_rule_id);
                s_rule->pdata.lkup_tx_rx.hdr_len = 0;
                return;
        }

        eth_hdr_sz = sizeof(dummy_eth_header);
        eth_hdr = s_rule->pdata.lkup_tx_rx.hdr;

        /* initialize the ether header with a dummy header */
        ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA);
        ice_fill_sw_info(hw, f_info);

        switch (f_info->fltr_act) {
        case ICE_FWD_TO_VSI:
                act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
                        ICE_SINGLE_ACT_VSI_ID_M;
                if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
                        act |= ICE_SINGLE_ACT_VSI_FORWARDING |
                                ICE_SINGLE_ACT_VALID_BIT;
                break;
        case ICE_FWD_TO_VSI_LIST:
                act |= ICE_SINGLE_ACT_VSI_LIST;
                act |= (f_info->fwd_id.vsi_list_id <<
                        ICE_SINGLE_ACT_VSI_LIST_ID_S) &
                        ICE_SINGLE_ACT_VSI_LIST_ID_M;
                if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
                        act |= ICE_SINGLE_ACT_VSI_FORWARDING |
                                ICE_SINGLE_ACT_VALID_BIT;
                break;
        case ICE_FWD_TO_Q:
                act |= ICE_SINGLE_ACT_TO_Q;
                act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
                        ICE_SINGLE_ACT_Q_INDEX_M;
                break;
        case ICE_DROP_PACKET:
                act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
                        ICE_SINGLE_ACT_VALID_BIT;
                break;
        case ICE_FWD_TO_QGRP:
                q_rgn = f_info->qgrp_size > 0 ?
                        (u8)ice_ilog2(f_info->qgrp_size) : 0;
                act |= ICE_SINGLE_ACT_TO_Q;
                act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
                        ICE_SINGLE_ACT_Q_INDEX_M;
                act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) &
                        ICE_SINGLE_ACT_Q_REGION_M;
                break;
        default:
                return;
        }

        if (f_info->lb_en)
                act |= ICE_SINGLE_ACT_LB_ENABLE;
        if (f_info->lan_en)
                act |= ICE_SINGLE_ACT_LAN_ENABLE;

        switch (f_info->lkup_type) {
        case ICE_SW_LKUP_MAC:
                daddr = f_info->l_data.mac.mac_addr;
                break;
        case ICE_SW_LKUP_VLAN:
                vlan_id = f_info->l_data.vlan.vlan_id;
                if (f_info->fltr_act == ICE_FWD_TO_VSI ||
                    f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
                        act |= ICE_SINGLE_ACT_PRUNE;
                        act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
                }
                break;
        case ICE_SW_LKUP_ETHERTYPE_MAC:
                daddr = f_info->l_data.ethertype_mac.mac_addr;
                /* fall-through */
        case ICE_SW_LKUP_ETHERTYPE:
                off = (__be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
                *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype);
                break;
        case ICE_SW_LKUP_MAC_VLAN:
                daddr = f_info->l_data.mac_vlan.mac_addr;
                vlan_id = f_info->l_data.mac_vlan.vlan_id;
                break;
        case ICE_SW_LKUP_PROMISC_VLAN:
                vlan_id = f_info->l_data.mac_vlan.vlan_id;
                /* fall-through */
        case ICE_SW_LKUP_PROMISC:
                daddr = f_info->l_data.mac_vlan.mac_addr;
                break;
        default:
                break;
        }

        s_rule->type = (f_info->flag & ICE_FLTR_RX) ?
                CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) :
                CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);

        /* Recipe set depending on lookup type */
        s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type);
        s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src);
        s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);

        if (daddr)
                ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN,
                           ICE_NONDMA_TO_NONDMA);

        if (!(vlan_id > ICE_MAX_VLAN_ID)) {
                off = (__be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
                *off = CPU_TO_BE16(vlan_id);
        }

        /* Create the switch rule with the final dummy Ethernet header */
        if (opc != ice_aqc_opc_update_sw_rules)
                s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz);
}

/**
 * ice_add_marker_act
 * @hw: pointer to the hardware structure
 * @m_ent: the management entry for which sw marker needs to be added
 * @sw_marker: sw marker to tag the Rx descriptor with
 * @l_id: large action resource ID
 *
 * Create a large action to hold software marker and update the switch rule
 * entry pointed by m_ent with newly created large action
 */
static enum ice_status
ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
                   u16 sw_marker, u16 l_id)
{
        struct ice_aqc_sw_rules_elem *lg_act, *rx_tx;
        /* For software marker we need 3 large actions
         * 1. FWD action: FWD TO VSI or VSI LIST
         * 2. GENERIC VALUE action to hold the profile ID
         * 3. GENERIC VALUE action to hold the software marker ID
         */
        const u16 num_lg_acts = 3;
        enum ice_status status;
        u16 lg_act_size;
        u16 rules_size;
        u32 act;
        u16 id;

        if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
                return ICE_ERR_PARAM;

        /* Create two back-to-back switch rules and submit them to the HW using
         * one memory buffer:
         *    1. Large Action
         *    2. Look up Tx Rx
         */
        lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
        rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
        lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size);
        if (!lg_act)
                return ICE_ERR_NO_MEMORY;

        rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);

        /* Fill in the first switch rule i.e. large action */
        lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
        lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
        lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts);

        /* First action VSI forwarding or VSI list forwarding depending on how
         * many VSIs
         */
        id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
                m_ent->fltr_info.fwd_id.hw_vsi_id;

        act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
        act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
                ICE_LG_ACT_VSI_LIST_ID_M;
        if (m_ent->vsi_count > 1)
                act |= ICE_LG_ACT_VSI_LIST;
        lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);

        /* Second action descriptor type */
        act = ICE_LG_ACT_GENERIC;

        act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
        lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);

        act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX <<
               ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M;

        /* Third action Marker value */
        act |= ICE_LG_ACT_GENERIC;
        act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
                ICE_LG_ACT_GENERIC_VALUE_M;

        lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act);

        /* call the fill switch rule to fill the lookup Tx Rx structure */
        ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
                         ice_aqc_opc_update_sw_rules);

        /* Update the action to point to the large action ID */
        rx_tx->pdata.lkup_tx_rx.act =
                CPU_TO_LE32(ICE_SINGLE_ACT_PTR |
                            ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
                             ICE_SINGLE_ACT_PTR_VAL_M));

        /* Use the filter rule ID of the previously created rule with single
         * act. Once the update happens, hardware will treat this as large
         * action
         */
        rx_tx->pdata.lkup_tx_rx.index =
                CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id);

        status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
                                 ice_aqc_opc_update_sw_rules, NULL);
        if (!status) {
                m_ent->lg_act_idx = l_id;
                m_ent->sw_marker_id = sw_marker;
        }

        ice_free(hw, lg_act);
        return status;
}

/**
 * ice_add_counter_act - add/update filter rule with counter action
 * @hw: pointer to the hardware structure
 * @m_ent: the management entry for which counter needs to be added
 * @counter_id: VLAN counter ID returned as part of allocate resource
 * @l_id: large action resource ID
 */
static enum ice_status
ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
                    u16 counter_id, u16 l_id)
{
        struct ice_aqc_sw_rules_elem *lg_act;
        struct ice_aqc_sw_rules_elem *rx_tx;
        enum ice_status status;
        /* 2 actions will be added while adding a large action counter */
        const int num_acts = 2;
        u16 lg_act_size;
        u16 rules_size;
        u16 f_rule_id;
        u32 act;
        u16 id;

        if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
                return ICE_ERR_PARAM;

        /* Create two back-to-back switch rules and submit them to the HW using
         * one memory buffer:
         * 1. Large Action
         * 2. Look up Tx Rx
         */
        lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts);
        rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
        lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw,
                                                                 rules_size);
        if (!lg_act)
                return ICE_ERR_NO_MEMORY;

        rx_tx = (struct ice_aqc_sw_rules_elem *)
                ((u8 *)lg_act + lg_act_size);

        /* Fill in the first switch rule i.e. large action */
        lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
        lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
        lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts);

        /* First action VSI forwarding or VSI list forwarding depending on how
         * many VSIs
         */
        id = (m_ent->vsi_count > 1) ?  m_ent->fltr_info.fwd_id.vsi_list_id :
                m_ent->fltr_info.fwd_id.hw_vsi_id;

        act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
        act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
                ICE_LG_ACT_VSI_LIST_ID_M;
        if (m_ent->vsi_count > 1)
                act |= ICE_LG_ACT_VSI_LIST;
        lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);

        /* Second action counter ID */
        act = ICE_LG_ACT_STAT_COUNT;
        act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) &
                ICE_LG_ACT_STAT_COUNT_M;
        lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);

        /* call the fill switch rule to fill the lookup Tx Rx structure */
        ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
                         ice_aqc_opc_update_sw_rules);

        act = ICE_SINGLE_ACT_PTR;
        act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M;
        rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);

        /* Use the filter rule ID of the previously created rule with single
         * act. Once the update happens, hardware will treat this as large
         * action
         */
        f_rule_id = m_ent->fltr_info.fltr_rule_id;
        rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id);

        status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
                                 ice_aqc_opc_update_sw_rules, NULL);
        if (!status) {
                m_ent->lg_act_idx = l_id;
                m_ent->counter_index = counter_id;
        }

        ice_free(hw, lg_act);
        return status;
}

/**
 * ice_create_vsi_list_map
 * @hw: pointer to the hardware structure
 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
 * @num_vsi: number of VSI handles in the array
 * @vsi_list_id: VSI list ID generated as part of allocate resource
 *
 * Helper function to create a new entry of VSI list ID to VSI mapping
 * using the given VSI list ID
 */
static struct ice_vsi_list_map_info *
ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
                        u16 vsi_list_id)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_vsi_list_map_info *v_map;
        int i;

        v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1,
                sizeof(*v_map));
        if (!v_map)
                return NULL;

        v_map->vsi_list_id = vsi_list_id;
        v_map->ref_cnt = 1;
        for (i = 0; i < num_vsi; i++)
                ice_set_bit(vsi_handle_arr[i], v_map->vsi_map);

        LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head);
        return v_map;
}

/**
 * ice_update_vsi_list_rule
 * @hw: pointer to the hardware structure
 * @vsi_handle_arr: array of VSI handles to form a VSI list
 * @num_vsi: number of VSI handles in the array
 * @vsi_list_id: VSI list ID generated as part of allocate resource
 * @remove: Boolean value to indicate if this is a remove action
 * @opc: switch rules population command type - pass in the command opcode
 * @lkup_type: lookup type of the filter
 *
 * Call AQ command to add a new switch rule or update existing switch rule
 * using the given VSI list ID
 */
static enum ice_status
ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
                         u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
                         enum ice_sw_lkup_type lkup_type)
{
        struct ice_aqc_sw_rules_elem *s_rule;
        enum ice_status status;
        u16 s_rule_size;
        u16 type;
        int i;

        if (!num_vsi)
                return ICE_ERR_PARAM;

        if (lkup_type == ICE_SW_LKUP_MAC ||
            lkup_type == ICE_SW_LKUP_MAC_VLAN ||
            lkup_type == ICE_SW_LKUP_ETHERTYPE ||
            lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
            lkup_type == ICE_SW_LKUP_PROMISC ||
            lkup_type == ICE_SW_LKUP_PROMISC_VLAN)
                type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
                                ICE_AQC_SW_RULES_T_VSI_LIST_SET;
        else if (lkup_type == ICE_SW_LKUP_VLAN)
                type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
                                ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
        else
                return ICE_ERR_PARAM;

        s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi);
        s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
        if (!s_rule)
                return ICE_ERR_NO_MEMORY;
        for (i = 0; i < num_vsi; i++) {
                if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
                        status = ICE_ERR_PARAM;
                        goto exit;
                }
                /* AQ call requires hw_vsi_id(s) */
                s_rule->pdata.vsi_list.vsi[i] =
                        CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
        }

        s_rule->type = CPU_TO_LE16(type);
        s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi);
        s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);

        status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);

exit:
        ice_free(hw, s_rule);
        return status;
}

/**
 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
 * @hw: pointer to the HW struct
 * @vsi_handle_arr: array of VSI handles to form a VSI list
 * @num_vsi: number of VSI handles in the array
 * @vsi_list_id: stores the ID of the VSI list to be created
 * @lkup_type: switch rule filter's lookup type
 */
static enum ice_status
ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
                         u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
{
        enum ice_status status;

        status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
                                            ice_aqc_opc_alloc_res);
        if (status)
                return status;

        /* Update the newly created VSI list to include the specified VSIs */
        return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
                                        *vsi_list_id, false,
                                        ice_aqc_opc_add_sw_rules, lkup_type);
}

/**
 * ice_create_pkt_fwd_rule
 * @hw: pointer to the hardware structure
 * @f_entry: entry containing packet forwarding information
 *
 * Create switch rule with given filter information and add an entry
 * to the corresponding filter management list to track this switch rule
 * and VSI mapping
 */
static enum ice_status
ice_create_pkt_fwd_rule(struct ice_hw *hw,
                        struct ice_fltr_list_entry *f_entry)
{
        struct ice_fltr_mgmt_list_entry *fm_entry;
        struct ice_aqc_sw_rules_elem *s_rule;
        enum ice_sw_lkup_type l_type;
        struct ice_sw_recipe *recp;
        enum ice_status status;

        s_rule = (struct ice_aqc_sw_rules_elem *)
                ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
        if (!s_rule)
                return ICE_ERR_NO_MEMORY;
        fm_entry = (struct ice_fltr_mgmt_list_entry *)
                   ice_malloc(hw, sizeof(*fm_entry));
        if (!fm_entry) {
                status = ICE_ERR_NO_MEMORY;
                goto ice_create_pkt_fwd_rule_exit;
        }

        fm_entry->fltr_info = f_entry->fltr_info;

        /* Initialize all the fields for the management entry */
        fm_entry->vsi_count = 1;
        fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
        fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
        fm_entry->counter_index = ICE_INVAL_COUNTER_ID;

        ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
                         ice_aqc_opc_add_sw_rules);

        status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
                                 ice_aqc_opc_add_sw_rules, NULL);
        if (status) {
                ice_free(hw, fm_entry);
                goto ice_create_pkt_fwd_rule_exit;
        }

        f_entry->fltr_info.fltr_rule_id =
                LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
        fm_entry->fltr_info.fltr_rule_id =
                LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);

        /* The book keeping entries will get removed when base driver
         * calls remove filter AQ command
         */
        l_type = fm_entry->fltr_info.lkup_type;
        recp = &hw->switch_info->recp_list[l_type];
        LIST_ADD(&fm_entry->list_entry, &recp->filt_rules);

ice_create_pkt_fwd_rule_exit:
        ice_free(hw, s_rule);
        return status;
}

/**
 * ice_update_pkt_fwd_rule
 * @hw: pointer to the hardware structure
 * @f_info: filter information for switch rule
 *
 * Call AQ command to update a previously created switch rule with a
 * VSI list ID
 */
static enum ice_status
ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
{
        struct ice_aqc_sw_rules_elem *s_rule;
        enum ice_status status;

        s_rule = (struct ice_aqc_sw_rules_elem *)
                ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
        if (!s_rule)
                return ICE_ERR_NO_MEMORY;

        ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);

        s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id);

        /* Update switch rule with new rule set to forward VSI list */
        status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
                                 ice_aqc_opc_update_sw_rules, NULL);

        ice_free(hw, s_rule);
        return status;
}

/**
 * ice_update_sw_rule_bridge_mode
 * @hw: pointer to the HW struct
 *
 * Updates unicast switch filter rules based on VEB/VEPA mode
 */
enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *fm_entry;
        enum ice_status status = ICE_SUCCESS;
        struct LIST_HEAD_TYPE *rule_head;
        struct ice_lock *rule_lock; /* Lock to protect filter rule list */

        rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
        rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;

        ice_acquire_lock(rule_lock);
        LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry,
                            list_entry) {
                struct ice_fltr_info *fi = &fm_entry->fltr_info;
                u8 *addr = fi->l_data.mac.mac_addr;

                /* Update unicast Tx rules to reflect the selected
                 * VEB/VEPA mode
                 */
                if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) &&
                    (fi->fltr_act == ICE_FWD_TO_VSI ||
                     fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
                     fi->fltr_act == ICE_FWD_TO_Q ||
                     fi->fltr_act == ICE_FWD_TO_QGRP)) {
                        status = ice_update_pkt_fwd_rule(hw, fi);
                        if (status)
                                break;
                }
        }

        ice_release_lock(rule_lock);

        return status;
}

/**
 * ice_add_update_vsi_list
 * @hw: pointer to the hardware structure
 * @m_entry: pointer to current filter management list entry
 * @cur_fltr: filter information from the book keeping entry
 * @new_fltr: filter information with the new VSI to be added
 *
 * Call AQ command to add or update previously created VSI list with new VSI.
 *
 * Helper function to do book keeping associated with adding filter information
 * The algorithm to do the book keeping is described below :
 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
 *      if only one VSI has been added till now
 *              Allocate a new VSI list and add two VSIs
 *              to this list using switch rule command
 *              Update the previously created switch rule with the
 *              newly created VSI list ID
 *      if a VSI list was previously created
 *              Add the new VSI to the previously created VSI list set
 *              using the update switch rule command
 */
static enum ice_status
ice_add_update_vsi_list(struct ice_hw *hw,
                        struct ice_fltr_mgmt_list_entry *m_entry,
                        struct ice_fltr_info *cur_fltr,
                        struct ice_fltr_info *new_fltr)
{
        enum ice_status status = ICE_SUCCESS;
        u16 vsi_list_id = 0;

        if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
             cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
                return ICE_ERR_NOT_IMPL;

        if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
             new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
            (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
             cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
                return ICE_ERR_NOT_IMPL;

        if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
                /* Only one entry existed in the mapping and it was not already
                 * a part of a VSI list. So, create a VSI list with the old and
                 * new VSIs.
                 */
                struct ice_fltr_info tmp_fltr;
                u16 vsi_handle_arr[2];

                /* A rule already exists with the new VSI being added */
                if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
                        return ICE_ERR_ALREADY_EXISTS;

                vsi_handle_arr[0] = cur_fltr->vsi_handle;
                vsi_handle_arr[1] = new_fltr->vsi_handle;
                status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
                                                  &vsi_list_id,
                                                  new_fltr->lkup_type);
                if (status)
                        return status;

                tmp_fltr = *new_fltr;
                tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
                tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
                tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
                /* Update the previous switch rule of "MAC forward to VSI" to
                 * "MAC fwd to VSI list"
                 */
                status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
                if (status)
                        return status;

                cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
                cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
                m_entry->vsi_list_info =
                        ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
                                                vsi_list_id);

                /* If this entry was large action then the large action needs
                 * to be updated to point to FWD to VSI list
                 */
                if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
                        status =
                            ice_add_marker_act(hw, m_entry,
                                               m_entry->sw_marker_id,
                                               m_entry->lg_act_idx);
        } else {
                u16 vsi_handle = new_fltr->vsi_handle;
                enum ice_adminq_opc opcode;

                if (!m_entry->vsi_list_info)
                        return ICE_ERR_CFG;

                /* A rule already exists with the new VSI being added */
                if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
                        return ICE_SUCCESS;

                /* Update the previously created VSI list set with
                 * the new VSI ID passed in
                 */
                vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
                opcode = ice_aqc_opc_update_sw_rules;

                status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
                                                  vsi_list_id, false, opcode,
                                                  new_fltr->lkup_type);
                /* update VSI list mapping info with new VSI ID */
                if (!status)
                        ice_set_bit(vsi_handle,
                                    m_entry->vsi_list_info->vsi_map);
        }
        if (!status)
                m_entry->vsi_count++;
        return status;
}

/**
 * ice_find_rule_entry - Search a rule entry
 * @hw: pointer to the hardware structure
 * @recp_id: lookup type for which the specified rule needs to be searched
 * @f_info: rule information
 *
 * Helper function to search for a given rule entry
 * Returns pointer to entry storing the rule if found
 */
static struct ice_fltr_mgmt_list_entry *
ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
{
        struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
        struct ice_switch_info *sw = hw->switch_info;
        struct LIST_HEAD_TYPE *list_head;

        list_head = &sw->recp_list[recp_id].filt_rules;
        LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
                            list_entry) {
                if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
                            sizeof(f_info->l_data)) &&
                    f_info->flag == list_itr->fltr_info.flag) {
                        ret = list_itr;
                        break;
                }
        }
        return ret;
}

/**
 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
 * @hw: pointer to the hardware structure
 * @recp_id: lookup type for which VSI lists needs to be searched
 * @vsi_handle: VSI handle to be found in VSI list
 * @vsi_list_id: VSI list ID found containing vsi_handle
 *
 * Helper function to search a VSI list with single entry containing given VSI
 * handle element. This can be extended further to search VSI list with more
 * than 1 vsi_count. Returns pointer to VSI list entry if found.
 */
static struct ice_vsi_list_map_info *
ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
                        u16 *vsi_list_id)
{
        struct ice_vsi_list_map_info *map_info = NULL;
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *list_itr;
        struct LIST_HEAD_TYPE *list_head;

        list_head = &sw->recp_list[recp_id].filt_rules;
        LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
                            list_entry) {
                if (list_itr->vsi_count == 1 && list_itr->vsi_list_info) {
                        map_info = list_itr->vsi_list_info;
                        if (ice_is_bit_set(map_info->vsi_map, vsi_handle)) {
                                *vsi_list_id = map_info->vsi_list_id;
                                return map_info;
                        }
                }
        }
        return NULL;
}

/**
 * ice_add_rule_internal - add rule for a given lookup type
 * @hw: pointer to the hardware structure
 * @recp_id: lookup type (recipe ID) for which rule has to be added
 * @f_entry: structure containing MAC forwarding information
 *
 * Adds or updates the rule lists for a given recipe
 */
static enum ice_status
ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
                      struct ice_fltr_list_entry *f_entry)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_info *new_fltr, *cur_fltr;
        struct ice_fltr_mgmt_list_entry *m_entry;
        struct ice_lock *rule_lock; /* Lock to protect filter rule list */
        enum ice_status status = ICE_SUCCESS;

        if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
                return ICE_ERR_PARAM;

        /* Load the hw_vsi_id only if the fwd action is fwd to VSI */
        if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI)
                f_entry->fltr_info.fwd_id.hw_vsi_id =
                        ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);

        rule_lock = &sw->recp_list[recp_id].filt_rule_lock;

        ice_acquire_lock(rule_lock);
        new_fltr = &f_entry->fltr_info;
        if (new_fltr->flag & ICE_FLTR_RX)
                new_fltr->src = hw->port_info->lport;
        else if (new_fltr->flag & ICE_FLTR_TX)
                new_fltr->src =
                        ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);

        m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
        if (!m_entry) {
                ice_release_lock(rule_lock);
                return ice_create_pkt_fwd_rule(hw, f_entry);
        }

        cur_fltr = &m_entry->fltr_info;
        status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
        ice_release_lock(rule_lock);

        return status;
}

/**
 * ice_remove_vsi_list_rule
 * @hw: pointer to the hardware structure
 * @vsi_list_id: VSI list ID generated as part of allocate resource
 * @lkup_type: switch rule filter lookup type
 *
 * The VSI list should be emptied before this function is called to remove the
 * VSI list.
 */
static enum ice_status
ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
                         enum ice_sw_lkup_type lkup_type)
{
        struct ice_aqc_sw_rules_elem *s_rule;
        enum ice_status status;
        u16 s_rule_size;

        s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0);
        s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
        if (!s_rule)
                return ICE_ERR_NO_MEMORY;

        s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
        s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);

        /* Free the vsi_list resource that we allocated. It is assumed that the
         * list is empty at this point.
         */
        status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
                                            ice_aqc_opc_free_res);

        ice_free(hw, s_rule);
        return status;
}

/**
 * ice_rem_update_vsi_list
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle of the VSI to remove
 * @fm_list: filter management entry for which the VSI list management needs to
 *           be done
 */
static enum ice_status
ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
                        struct ice_fltr_mgmt_list_entry *fm_list)
{
        enum ice_sw_lkup_type lkup_type;
        enum ice_status status = ICE_SUCCESS;
        u16 vsi_list_id;

        if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
            fm_list->vsi_count == 0)
                return ICE_ERR_PARAM;

        /* A rule with the VSI being removed does not exist */
        if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
                return ICE_ERR_DOES_NOT_EXIST;

        lkup_type = fm_list->fltr_info.lkup_type;
        vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
        status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
                                          ice_aqc_opc_update_sw_rules,
                                          lkup_type);
        if (status)
                return status;

        fm_list->vsi_count--;
        ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);

        if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
                struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
                struct ice_vsi_list_map_info *vsi_list_info =
                        fm_list->vsi_list_info;
                u16 rem_vsi_handle;

                rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
                                                    ICE_MAX_VSI);
                if (!ice_is_vsi_valid(hw, rem_vsi_handle))
                        return ICE_ERR_OUT_OF_RANGE;

                /* Make sure VSI list is empty before removing it below */
                status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
                                                  vsi_list_id, true,
                                                  ice_aqc_opc_update_sw_rules,
                                                  lkup_type);
                if (status)
                        return status;

                tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
                tmp_fltr_info.fwd_id.hw_vsi_id =
                        ice_get_hw_vsi_num(hw, rem_vsi_handle);
                tmp_fltr_info.vsi_handle = rem_vsi_handle;
                status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
                if (status) {
                        ice_debug(hw, ICE_DBG_SW,
                                  "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
                                  tmp_fltr_info.fwd_id.hw_vsi_id, status);
                        return status;
                }

                fm_list->fltr_info = tmp_fltr_info;
        }

        if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
            (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
                struct ice_vsi_list_map_info *vsi_list_info =
                        fm_list->vsi_list_info;

                /* Remove the VSI list since it is no longer used */
                status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
                if (status) {
                        ice_debug(hw, ICE_DBG_SW,
                                  "Failed to remove VSI list %d, error %d\n",
                                  vsi_list_id, status);
                        return status;
                }

                LIST_DEL(&vsi_list_info->list_entry);
                ice_free(hw, vsi_list_info);
                fm_list->vsi_list_info = NULL;
        }

        return status;
}

/**
 * ice_remove_rule_internal - Remove a filter rule of a given type
 *
 * @hw: pointer to the hardware structure
 * @recp_id: recipe ID for which the rule needs to removed
 * @f_entry: rule entry containing filter information
 */
static enum ice_status
ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
                         struct ice_fltr_list_entry *f_entry)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *list_elem;
        struct ice_lock *rule_lock; /* Lock to protect filter rule list */
        enum ice_status status = ICE_SUCCESS;
        bool remove_rule = false;
        u16 vsi_handle;

        if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
                return ICE_ERR_PARAM;
        f_entry->fltr_info.fwd_id.hw_vsi_id =
                ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);

        rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
        ice_acquire_lock(rule_lock);
        list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info);
        if (!list_elem) {
                status = ICE_ERR_DOES_NOT_EXIST;
                goto exit;
        }

        if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
                remove_rule = true;
        } else if (!list_elem->vsi_list_info) {
                status = ICE_ERR_DOES_NOT_EXIST;
                goto exit;
        } else if (list_elem->vsi_list_info->ref_cnt > 1) {
                /* a ref_cnt > 1 indicates that the vsi_list is being
                 * shared by multiple rules. Decrement the ref_cnt and
                 * remove this rule, but do not modify the list, as it
                 * is in-use by other rules.
                 */
                list_elem->vsi_list_info->ref_cnt--;
                remove_rule = true;
        } else {
                /* a ref_cnt of 1 indicates the vsi_list is only used
                 * by one rule. However, the original removal request is only
                 * for a single VSI. Update the vsi_list first, and only
                 * remove the rule if there are no further VSIs in this list.
                 */
                vsi_handle = f_entry->fltr_info.vsi_handle;
                status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
                if (status)
                        goto exit;
                /* if VSI count goes to zero after updating the VSI list */
                if (list_elem->vsi_count == 0)
                        remove_rule = true;
        }

        if (remove_rule) {
                /* Remove the lookup rule */
                struct ice_aqc_sw_rules_elem *s_rule;

                s_rule = (struct ice_aqc_sw_rules_elem *)
                        ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE);
                if (!s_rule) {
                        status = ICE_ERR_NO_MEMORY;
                        goto exit;
                }

                ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
                                 ice_aqc_opc_remove_sw_rules);

                status = ice_aq_sw_rules(hw, s_rule,
                                         ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
                                         ice_aqc_opc_remove_sw_rules, NULL);
                if (status)
                        goto exit;

                /* Remove a book keeping from the list */
                ice_free(hw, s_rule);

                LIST_DEL(&list_elem->list_entry);
                ice_free(hw, list_elem);
        }
exit:
        ice_release_lock(rule_lock);
        return status;
}

/**
 * ice_aq_get_res_alloc - get allocated resources
 * @hw: pointer to the HW struct
 * @num_entries: pointer to u16 to store the number of resource entries returned
 * @buf: pointer to user-supplied buffer
 * @buf_size: size of buff
 * @cd: pointer to command details structure or NULL
 *
 * The user-supplied buffer must be large enough to store the resource
 * information for all resource types. Each resource type is an
 * ice_aqc_get_res_resp_data_elem structure.
 */
enum ice_status
ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, void *buf,
                     u16 buf_size, struct ice_sq_cd *cd)
{
        struct ice_aqc_get_res_alloc *resp;
        enum ice_status status;
        struct ice_aq_desc desc;

        if (!buf)
                return ICE_ERR_BAD_PTR;

        if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN)
                return ICE_ERR_INVAL_SIZE;

        resp = &desc.params.get_res;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc);
        status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);

        if (!status && num_entries)
                *num_entries = LE16_TO_CPU(resp->resp_elem_num);

        return status;
}

/**
 * ice_aq_get_res_descs - get allocated resource descriptors
 * @hw: pointer to the hardware structure
 * @num_entries: number of resource entries in buffer
 * @buf: Indirect buffer to hold data parameters and response
 * @buf_size: size of buffer for indirect commands
 * @res_type: resource type
 * @res_shared: is resource shared
 * @desc_id: input - first desc ID to start; output - next desc ID
 * @cd: pointer to command details structure or NULL
 */
enum ice_status
ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
                     struct ice_aqc_get_allocd_res_desc_resp *buf,
                     u16 buf_size, u16 res_type, bool res_shared, u16 *desc_id,
                     struct ice_sq_cd *cd)
{
        struct ice_aqc_get_allocd_res_desc *cmd;
        struct ice_aq_desc desc;
        enum ice_status status;

        ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_res_descs");

        cmd = &desc.params.get_res_desc;

        if (!buf)
                return ICE_ERR_PARAM;

        if (buf_size != (num_entries * sizeof(*buf)))
                return ICE_ERR_PARAM;

        ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc);

        cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) &
                                         ICE_AQC_RES_TYPE_M) | (res_shared ?
                                        ICE_AQC_RES_TYPE_FLAG_SHARED : 0));
        cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id);

        desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);

        status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
        if (!status)
                *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc);

        return status;
}

/**
 * ice_add_mac - Add a MAC address based filter rule
 * @hw: pointer to the hardware structure
 * @m_list: list of MAC addresses and forwarding information
 *
 * IMPORTANT: When the ucast_shared flag is set to false and m_list has
 * multiple unicast addresses, the function assumes that all the
 * addresses are unique in a given add_mac call. It doesn't
 * check for duplicates in this case, removing duplicates from a given
 * list should be taken care of in the caller of this function.
 */
enum ice_status
ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
{
        struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
        struct ice_fltr_list_entry *m_list_itr;
        struct LIST_HEAD_TYPE *rule_head;
        u16 elem_sent, total_elem_left;
        struct ice_switch_info *sw;
        struct ice_lock *rule_lock; /* Lock to protect filter rule list */
        enum ice_status status = ICE_SUCCESS;
        u16 num_unicast = 0;
        u16 s_rule_size;

        if (!m_list || !hw)
                return ICE_ERR_PARAM;
        s_rule = NULL;
        sw = hw->switch_info;
        rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
        LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
                            list_entry) {
                u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
                u16 vsi_handle;
                u16 hw_vsi_id;

                m_list_itr->fltr_info.flag = ICE_FLTR_TX;
                vsi_handle = m_list_itr->fltr_info.vsi_handle;
                if (!ice_is_vsi_valid(hw, vsi_handle))
                        return ICE_ERR_PARAM;
                hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
                m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
                /* update the src in case it is VSI num */
                if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
                        return ICE_ERR_PARAM;
                m_list_itr->fltr_info.src = hw_vsi_id;
                if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
                    IS_ZERO_ETHER_ADDR(add))
                        return ICE_ERR_PARAM;
                if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) {
                        /* Don't overwrite the unicast address */
                        ice_acquire_lock(rule_lock);
                        if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC,
                                                &m_list_itr->fltr_info)) {
                                ice_release_lock(rule_lock);
                                return ICE_ERR_ALREADY_EXISTS;
                        }
                        ice_release_lock(rule_lock);
                        num_unicast++;
                } else if (IS_MULTICAST_ETHER_ADDR(add) ||
                           (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) {
                        m_list_itr->status =
                                ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
                                                      m_list_itr);
                        if (m_list_itr->status)
                                return m_list_itr->status;
                }
        }

        ice_acquire_lock(rule_lock);
        /* Exit if no suitable entries were found for adding bulk switch rule */
        if (!num_unicast) {
                status = ICE_SUCCESS;
                goto ice_add_mac_exit;
        }

        rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;

        /* Allocate switch rule buffer for the bulk update for unicast */
        s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
        s_rule = (struct ice_aqc_sw_rules_elem *)
                ice_calloc(hw, num_unicast, s_rule_size);
        if (!s_rule) {
                status = ICE_ERR_NO_MEMORY;
                goto ice_add_mac_exit;
        }

        r_iter = s_rule;
        LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
                            list_entry) {
                struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
                u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];

                if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
                        ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter,
                                         ice_aqc_opc_add_sw_rules);
                        r_iter = (struct ice_aqc_sw_rules_elem *)
                                ((u8 *)r_iter + s_rule_size);
                }
        }

        /* Call AQ bulk switch rule update for all unicast addresses */
        r_iter = s_rule;
        /* Call AQ switch rule in AQ_MAX chunk */
        for (total_elem_left = num_unicast; total_elem_left > 0;
             total_elem_left -= elem_sent) {
                struct ice_aqc_sw_rules_elem *entry = r_iter;

                elem_sent = min(total_elem_left,
                                (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
                status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
                                         elem_sent, ice_aqc_opc_add_sw_rules,
                                         NULL);
                if (status)
                        goto ice_add_mac_exit;
                r_iter = (struct ice_aqc_sw_rules_elem *)
                        ((u8 *)r_iter + (elem_sent * s_rule_size));
        }

        /* Fill up rule ID based on the value returned from FW */
        r_iter = s_rule;
        LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
                            list_entry) {
                struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
                u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
                struct ice_fltr_mgmt_list_entry *fm_entry;

                if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
                        f_info->fltr_rule_id =
                                LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index);
                        f_info->fltr_act = ICE_FWD_TO_VSI;
                        /* Create an entry to track this MAC address */
                        fm_entry = (struct ice_fltr_mgmt_list_entry *)
                                ice_malloc(hw, sizeof(*fm_entry));
                        if (!fm_entry) {
                                status = ICE_ERR_NO_MEMORY;
                                goto ice_add_mac_exit;
                        }
                        fm_entry->fltr_info = *f_info;
                        fm_entry->vsi_count = 1;
                        /* The book keeping entries will get removed when
                         * base driver calls remove filter AQ command
                         */

                        LIST_ADD(&fm_entry->list_entry, rule_head);
                        r_iter = (struct ice_aqc_sw_rules_elem *)
                                ((u8 *)r_iter + s_rule_size);
                }
        }

ice_add_mac_exit:
        ice_release_lock(rule_lock);
        if (s_rule)
                ice_free(hw, s_rule);
        return status;
}

/**
 * ice_add_vlan_internal - Add one VLAN based filter rule
 * @hw: pointer to the hardware structure
 * @f_entry: filter entry containing one VLAN information
 */
static enum ice_status
ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *v_list_itr;
        struct ice_fltr_info *new_fltr, *cur_fltr;
        enum ice_sw_lkup_type lkup_type;
        u16 vsi_list_id = 0, vsi_handle;
        struct ice_lock *rule_lock; /* Lock to protect filter rule list */
        enum ice_status status = ICE_SUCCESS;

        if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
                return ICE_ERR_PARAM;

        f_entry->fltr_info.fwd_id.hw_vsi_id =
                ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
        new_fltr = &f_entry->fltr_info;

        /* VLAN ID should only be 12 bits */
        if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
                return ICE_ERR_PARAM;

        if (new_fltr->src_id != ICE_SRC_ID_VSI)
                return ICE_ERR_PARAM;

        new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
        lkup_type = new_fltr->lkup_type;
        vsi_handle = new_fltr->vsi_handle;
        rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
        ice_acquire_lock(rule_lock);
        v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr);
        if (!v_list_itr) {
                struct ice_vsi_list_map_info *map_info = NULL;

                if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
                        /* All VLAN pruning rules use a VSI list. Check if
                         * there is already a VSI list containing VSI that we
                         * want to add. If found, use the same vsi_list_id for
                         * this new VLAN rule or else create a new list.
                         */
                        map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
                                                           vsi_handle,
                                                           &vsi_list_id);
                        if (!map_info) {
                                status = ice_create_vsi_list_rule(hw,
                                                                  &vsi_handle,
                                                                  1,
                                                                  &vsi_list_id,
                                                                  lkup_type);
                                if (status)
                                        goto exit;
                        }
                        /* Convert the action to forwarding to a VSI list. */
                        new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
                        new_fltr->fwd_id.vsi_list_id = vsi_list_id;
                }

                status = ice_create_pkt_fwd_rule(hw, f_entry);
                if (!status) {
                        v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
                                                         new_fltr);
                        if (!v_list_itr) {
                                status = ICE_ERR_DOES_NOT_EXIST;
                                goto exit;
                        }
                        /* reuse VSI list for new rule and increment ref_cnt */
                        if (map_info) {
                                v_list_itr->vsi_list_info = map_info;
                                map_info->ref_cnt++;
                        } else {
                                v_list_itr->vsi_list_info =
                                        ice_create_vsi_list_map(hw, &vsi_handle,
                                                                1, vsi_list_id);
                        }
                }
        } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
                /* Update existing VSI list to add new VSI ID only if it used
                 * by one VLAN rule.
                 */
                cur_fltr = &v_list_itr->fltr_info;
                status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
                                                 new_fltr);
        } else {
                /* If VLAN rule exists and VSI list being used by this rule is
                 * referenced by more than 1 VLAN rule. Then create a new VSI
                 * list appending previous VSI with new VSI and update existing
                 * VLAN rule to point to new VSI list ID
                 */
                struct ice_fltr_info tmp_fltr;
                u16 vsi_handle_arr[2];
                u16 cur_handle;

                /* Current implementation only supports reusing VSI list with
                 * one VSI count. We should never hit below condition
                 */
                if (v_list_itr->vsi_count > 1 &&
                    v_list_itr->vsi_list_info->ref_cnt > 1) {
                        ice_debug(hw, ICE_DBG_SW,
                                  "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
                        status = ICE_ERR_CFG;
                        goto exit;
                }

                cur_handle =
                        ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map,
                                           ICE_MAX_VSI);

                /* A rule already exists with the new VSI being added */
                if (cur_handle == vsi_handle) {
                        status = ICE_ERR_ALREADY_EXISTS;
                        goto exit;
                }

                vsi_handle_arr[0] = cur_handle;
                vsi_handle_arr[1] = vsi_handle;
                status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
                                                  &vsi_list_id, lkup_type);
                if (status)
                        goto exit;

                tmp_fltr = v_list_itr->fltr_info;
                tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
                tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
                tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
                /* Update the previous switch rule to a new VSI list which
                 * includes current VSI that is requested
                 */
                status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
                if (status)
                        goto exit;

                /* before overriding VSI list map info. decrement ref_cnt of
                 * previous VSI list
                 */
                v_list_itr->vsi_list_info->ref_cnt--;

                /* now update to newly created list */
                v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
                v_list_itr->vsi_list_info =
                        ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
                                                vsi_list_id);
                v_list_itr->vsi_count++;
        }

exit:
        ice_release_lock(rule_lock);
        return status;
}

/**
 * ice_add_vlan - Add VLAN based filter rule
 * @hw: pointer to the hardware structure
 * @v_list: list of VLAN entries and forwarding information
 */
enum ice_status
ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
{
        struct ice_fltr_list_entry *v_list_itr;

        if (!v_list || !hw)
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry,
                            list_entry) {
                if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
                        return ICE_ERR_PARAM;
                v_list_itr->fltr_info.flag = ICE_FLTR_TX;
                v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr);
                if (v_list_itr->status)
                        return v_list_itr->status;
        }
        return ICE_SUCCESS;
}

#ifndef NO_MACVLAN_SUPPORT
/**
 * ice_add_mac_vlan - Add MAC and VLAN pair based filter rule
 * @hw: pointer to the hardware structure
 * @mv_list: list of MAC and VLAN filters
 *
 * If the VSI on which the MAC-VLAN pair has to be added has Rx and Tx VLAN
 * pruning bits enabled, then it is the responsibility of the caller to make
 * sure to add a VLAN only filter on the same VSI. Packets belonging to that
 * VLAN won't be received on that VSI otherwise.
 */
enum ice_status
ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list)
{
        struct ice_fltr_list_entry *mv_list_itr;

        if (!mv_list || !hw)
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY(mv_list_itr, mv_list, ice_fltr_list_entry,
                            list_entry) {
                enum ice_sw_lkup_type l_type =
                        mv_list_itr->fltr_info.lkup_type;

                if (l_type != ICE_SW_LKUP_MAC_VLAN)
                        return ICE_ERR_PARAM;
                mv_list_itr->fltr_info.flag = ICE_FLTR_TX;
                mv_list_itr->status =
                        ice_add_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
                                              mv_list_itr);
                if (mv_list_itr->status)
                        return mv_list_itr->status;
        }
        return ICE_SUCCESS;
}
#endif

/**
 * ice_add_eth_mac - Add ethertype and MAC based filter rule
 * @hw: pointer to the hardware structure
 * @em_list: list of ether type MAC filter, MAC is optional
 */
enum ice_status
ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
{
        struct ice_fltr_list_entry *em_list_itr;

        LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
                            list_entry) {
                enum ice_sw_lkup_type l_type =
                        em_list_itr->fltr_info.lkup_type;

                if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
                    l_type != ICE_SW_LKUP_ETHERTYPE)
                        return ICE_ERR_PARAM;

                em_list_itr->fltr_info.flag = ICE_FLTR_TX;
                em_list_itr->status = ice_add_rule_internal(hw, l_type,
                                                            em_list_itr);
                if (em_list_itr->status)
                        return em_list_itr->status;
        }
        return ICE_SUCCESS;
}

/**
 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
 * @hw: pointer to the hardware structure
 * @em_list: list of ethertype or ethertype MAC entries
 */
enum ice_status
ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
{
        struct ice_fltr_list_entry *em_list_itr, *tmp;

        if (!em_list || !hw)
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
                                 list_entry) {
                enum ice_sw_lkup_type l_type =
                        em_list_itr->fltr_info.lkup_type;

                if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
                    l_type != ICE_SW_LKUP_ETHERTYPE)
                        return ICE_ERR_PARAM;

                em_list_itr->status = ice_remove_rule_internal(hw, l_type,
                                                               em_list_itr);
                if (em_list_itr->status)
                        return em_list_itr->status;
        }
        return ICE_SUCCESS;
}


/**
 * ice_rem_sw_rule_info
 * @hw: pointer to the hardware structure
 * @rule_head: pointer to the switch list structure that we want to delete
 */
static void
ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
{
        if (!LIST_EMPTY(rule_head)) {
                struct ice_fltr_mgmt_list_entry *entry;
                struct ice_fltr_mgmt_list_entry *tmp;

                LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head,
                                         ice_fltr_mgmt_list_entry, list_entry) {
                        LIST_DEL(&entry->list_entry);
                        ice_free(hw, entry);
                }
        }
}


/**
 * ice_rem_all_sw_rules_info
 * @hw: pointer to the hardware structure
 */
void ice_rem_all_sw_rules_info(struct ice_hw *hw)
{
        struct ice_switch_info *sw = hw->switch_info;
        u8 i;

        for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
                struct LIST_HEAD_TYPE *rule_head;

                rule_head = &sw->recp_list[i].filt_rules;
                if (!sw->recp_list[i].adv_rule)
                        ice_rem_sw_rule_info(hw, rule_head);
        }
}

/**
 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
 * @pi: pointer to the port_info structure
 * @vsi_handle: VSI handle to set as default
 * @set: true to add the above mentioned switch rule, false to remove it
 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
 *
 * add filter rule to set/unset given VSI as default VSI for the switch
 * (represented by swid)
 */
enum ice_status
ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
                 u8 direction)
{
        struct ice_aqc_sw_rules_elem *s_rule;
        struct ice_fltr_info f_info;
        struct ice_hw *hw = pi->hw;
        enum ice_adminq_opc opcode;
        enum ice_status status;
        u16 s_rule_size;
        u16 hw_vsi_id;

        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;
        hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);

        s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE :
                            ICE_SW_RULE_RX_TX_NO_HDR_SIZE;
        s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
        if (!s_rule)
                return ICE_ERR_NO_MEMORY;

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

        f_info.lkup_type = ICE_SW_LKUP_DFLT;
        f_info.flag = direction;
        f_info.fltr_act = ICE_FWD_TO_VSI;
        f_info.fwd_id.hw_vsi_id = hw_vsi_id;

        if (f_info.flag & ICE_FLTR_RX) {
                f_info.src = pi->lport;
                f_info.src_id = ICE_SRC_ID_LPORT;
                if (!set)
                        f_info.fltr_rule_id =
                                pi->dflt_rx_vsi_rule_id;
        } else if (f_info.flag & ICE_FLTR_TX) {
                f_info.src_id = ICE_SRC_ID_VSI;
                f_info.src = hw_vsi_id;
                if (!set)
                        f_info.fltr_rule_id =
                                pi->dflt_tx_vsi_rule_id;
        }

        if (set)
                opcode = ice_aqc_opc_add_sw_rules;
        else
                opcode = ice_aqc_opc_remove_sw_rules;

        ice_fill_sw_rule(hw, &f_info, s_rule, opcode);

        status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL);
        if (status || !(f_info.flag & ICE_FLTR_TX_RX))
                goto out;
        if (set) {
                u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);

                if (f_info.flag & ICE_FLTR_TX) {
                        pi->dflt_tx_vsi_num = hw_vsi_id;
                        pi->dflt_tx_vsi_rule_id = index;
                } else if (f_info.flag & ICE_FLTR_RX) {
                        pi->dflt_rx_vsi_num = hw_vsi_id;
                        pi->dflt_rx_vsi_rule_id = index;
                }
        } else {
                if (f_info.flag & ICE_FLTR_TX) {
                        pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
                        pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT;
                } else if (f_info.flag & ICE_FLTR_RX) {
                        pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
                        pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT;
                }
        }

out:
        ice_free(hw, s_rule);
        return status;
}

/**
 * ice_remove_mac - remove a MAC address based filter rule
 * @hw: pointer to the hardware structure
 * @m_list: list of MAC addresses and forwarding information
 *
 * This function removes either a MAC filter rule or a specific VSI from a
 * VSI list for a multicast MAC address.
 *
 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
 * ice_add_mac. Caller should be aware that this call will only work if all
 * the entries passed into m_list were added previously. It will not attempt to
 * do a partial remove of entries that were found.
 */
enum ice_status
ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
{
        struct ice_fltr_list_entry *list_itr, *tmp;

        if (!m_list)
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry,
                                 list_entry) {
                enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;

                if (l_type != ICE_SW_LKUP_MAC)
                        return ICE_ERR_PARAM;
                list_itr->status = ice_remove_rule_internal(hw,
                                                            ICE_SW_LKUP_MAC,
                                                            list_itr);
                if (list_itr->status)
                        return list_itr->status;
        }
        return ICE_SUCCESS;
}

/**
 * ice_remove_vlan - Remove VLAN based filter rule
 * @hw: pointer to the hardware structure
 * @v_list: list of VLAN entries and forwarding information
 */
enum ice_status
ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
{
        struct ice_fltr_list_entry *v_list_itr, *tmp;

        if (!v_list || !hw)
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
                                 list_entry) {
                enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;

                if (l_type != ICE_SW_LKUP_VLAN)
                        return ICE_ERR_PARAM;
                v_list_itr->status = ice_remove_rule_internal(hw,
                                                              ICE_SW_LKUP_VLAN,
                                                              v_list_itr);
                if (v_list_itr->status)
                        return v_list_itr->status;
        }
        return ICE_SUCCESS;
}

#ifndef NO_MACVLAN_SUPPORT
/**
 * ice_remove_mac_vlan - Remove MAC VLAN based filter rule
 * @hw: pointer to the hardware structure
 * @v_list: list of MAC VLAN entries and forwarding information
 */
enum ice_status
ice_remove_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
{
        struct ice_fltr_list_entry *v_list_itr, *tmp;

        if (!v_list || !hw)
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
                                 list_entry) {
                enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;

                if (l_type != ICE_SW_LKUP_MAC_VLAN)
                        return ICE_ERR_PARAM;
                v_list_itr->status =
                        ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
                                                 v_list_itr);
                if (v_list_itr->status)
                        return v_list_itr->status;
        }
        return ICE_SUCCESS;
}
#endif /* !NO_MACVLAN_SUPPORT */

/**
 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
 * @fm_entry: filter entry to inspect
 * @vsi_handle: VSI handle to compare with filter info
 */
static bool
ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
{
        return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
                 fm_entry->fltr_info.vsi_handle == vsi_handle) ||
                (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
                 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map,
                                 vsi_handle))));
}

/**
 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to remove filters from
 * @vsi_list_head: pointer to the list to add entry to
 * @fi: pointer to fltr_info of filter entry to copy & add
 *
 * Helper function, used when creating a list of filters to remove from
 * a specific VSI. The entry added to vsi_list_head is a COPY of the
 * original filter entry, with the exception of fltr_info.fltr_act and
 * fltr_info.fwd_id fields. These are set such that later logic can
 * extract which VSI to remove the fltr from, and pass on that information.
 */
static enum ice_status
ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
                               struct LIST_HEAD_TYPE *vsi_list_head,
                               struct ice_fltr_info *fi)
{
        struct ice_fltr_list_entry *tmp;

        /* this memory is freed up in the caller function
         * once filters for this VSI are removed
         */
        tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp));
        if (!tmp)
                return ICE_ERR_NO_MEMORY;

        tmp->fltr_info = *fi;

        /* Overwrite these fields to indicate which VSI to remove filter from,
         * so find and remove logic can extract the information from the
         * list entries. Note that original entries will still have proper
         * values.
         */
        tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
        tmp->fltr_info.vsi_handle = vsi_handle;
        tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);

        LIST_ADD(&tmp->list_entry, vsi_list_head);

        return ICE_SUCCESS;
}

/**
 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to remove filters from
 * @lkup_list_head: pointer to the list that has certain lookup type filters
 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
 *
 * Locates all filters in lkup_list_head that are used by the given VSI,
 * and adds COPIES of those entries to vsi_list_head (intended to be used
 * to remove the listed filters).
 * Note that this means all entries in vsi_list_head must be explicitly
 * deallocated by the caller when done with list.
 */
static enum ice_status
ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
                         struct LIST_HEAD_TYPE *lkup_list_head,
                         struct LIST_HEAD_TYPE *vsi_list_head)
{
        struct ice_fltr_mgmt_list_entry *fm_entry;
        enum ice_status status = ICE_SUCCESS;

        /* check to make sure VSI ID is valid and within boundary */
        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;

        LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head,
                            ice_fltr_mgmt_list_entry, list_entry) {
                struct ice_fltr_info *fi;

                fi = &fm_entry->fltr_info;
                if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle))
                        continue;

                status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
                                                        vsi_list_head, fi);
                if (status)
                        return status;
        }
        return status;
}


/**
 * ice_determine_promisc_mask
 * @fi: filter info to parse
 *
 * Helper function to determine which ICE_PROMISC_ mask corresponds
 * to given filter into.
 */
static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
{
        u16 vid = fi->l_data.mac_vlan.vlan_id;
        u8 *macaddr = fi->l_data.mac.mac_addr;
        bool is_tx_fltr = false;
        u8 promisc_mask = 0;

        if (fi->flag == ICE_FLTR_TX)
                is_tx_fltr = true;

        if (IS_BROADCAST_ETHER_ADDR(macaddr))
                promisc_mask |= is_tx_fltr ?
                        ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
        else if (IS_MULTICAST_ETHER_ADDR(macaddr))
                promisc_mask |= is_tx_fltr ?
                        ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
        else if (IS_UNICAST_ETHER_ADDR(macaddr))
                promisc_mask |= is_tx_fltr ?
                        ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
        if (vid)
                promisc_mask |= is_tx_fltr ?
                        ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;

        return promisc_mask;
}

/**
 * ice_get_vsi_promisc - get promiscuous mode of given VSI
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to retrieve info from
 * @promisc_mask: pointer to mask to be filled in
 * @vid: VLAN ID of promisc VLAN VSI
 */
enum ice_status
ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
                    u16 *vid)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *itr;
        struct LIST_HEAD_TYPE *rule_head;
        struct ice_lock *rule_lock;     /* Lock to protect filter rule list */

        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;

        *vid = 0;
        *promisc_mask = 0;
        rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules;
        rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock;

        ice_acquire_lock(rule_lock);
        LIST_FOR_EACH_ENTRY(itr, rule_head,
                            ice_fltr_mgmt_list_entry, list_entry) {
                /* Continue if this filter doesn't apply to this VSI or the
                 * VSI ID is not in the VSI map for this filter
                 */
                if (!ice_vsi_uses_fltr(itr, vsi_handle))
                        continue;

                *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
        }
        ice_release_lock(rule_lock);

        return ICE_SUCCESS;
}

/**
 * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to retrieve info from
 * @promisc_mask: pointer to mask to be filled in
 * @vid: VLAN ID of promisc VLAN VSI
 */
enum ice_status
ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
                         u16 *vid)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *itr;
        struct LIST_HEAD_TYPE *rule_head;
        struct ice_lock *rule_lock;     /* Lock to protect filter rule list */

        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;

        *vid = 0;
        *promisc_mask = 0;
        rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules;
        rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock;

        ice_acquire_lock(rule_lock);
        LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry,
                            list_entry) {
                /* Continue if this filter doesn't apply to this VSI or the
                 * VSI ID is not in the VSI map for this filter
                 */
                if (!ice_vsi_uses_fltr(itr, vsi_handle))
                        continue;

                *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
        }
        ice_release_lock(rule_lock);

        return ICE_SUCCESS;
}

/**
 * ice_remove_promisc - Remove promisc based filter rules
 * @hw: pointer to the hardware structure
 * @recp_id: recipe ID for which the rule needs to removed
 * @v_list: list of promisc entries
 */
static enum ice_status
ice_remove_promisc(struct ice_hw *hw, u8 recp_id,
                   struct LIST_HEAD_TYPE *v_list)
{
        struct ice_fltr_list_entry *v_list_itr, *tmp;

        LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
                                 list_entry) {
                v_list_itr->status =
                        ice_remove_rule_internal(hw, recp_id, v_list_itr);
                if (v_list_itr->status)
                        return v_list_itr->status;
        }
        return ICE_SUCCESS;
}

/**
 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to clear mode
 * @promisc_mask: mask of promiscuous config bits to clear
 * @vid: VLAN ID to clear VLAN promiscuous
 */
enum ice_status
ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
                      u16 vid)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_list_entry *fm_entry, *tmp;
        struct LIST_HEAD_TYPE remove_list_head;
        struct ice_fltr_mgmt_list_entry *itr;
        struct LIST_HEAD_TYPE *rule_head;
        struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
        enum ice_status status = ICE_SUCCESS;
        u8 recipe_id;

        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;

        if (vid)
                recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
        else
                recipe_id = ICE_SW_LKUP_PROMISC;

        rule_head = &sw->recp_list[recipe_id].filt_rules;
        rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;

        INIT_LIST_HEAD(&remove_list_head);

        ice_acquire_lock(rule_lock);
        LIST_FOR_EACH_ENTRY(itr, rule_head,
                            ice_fltr_mgmt_list_entry, list_entry) {
                u8 fltr_promisc_mask = 0;

                if (!ice_vsi_uses_fltr(itr, vsi_handle))
                        continue;

                fltr_promisc_mask |=
                        ice_determine_promisc_mask(&itr->fltr_info);

                /* Skip if filter is not completely specified by given mask */
                if (fltr_promisc_mask & ~promisc_mask)
                        continue;

                status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
                                                        &remove_list_head,
                                                        &itr->fltr_info);
                if (status) {
                        ice_release_lock(rule_lock);
                        goto free_fltr_list;
                }
        }
        ice_release_lock(rule_lock);

        status = ice_remove_promisc(hw, recipe_id, &remove_list_head);

free_fltr_list:
        LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
                                 ice_fltr_list_entry, list_entry) {
                LIST_DEL(&fm_entry->list_entry);
                ice_free(hw, fm_entry);
        }

        return status;
}

/**
 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to configure
 * @promisc_mask: mask of promiscuous config bits
 * @vid: VLAN ID to set VLAN promiscuous
 */
enum ice_status
ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
{
        enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
        struct ice_fltr_list_entry f_list_entry;
        struct ice_fltr_info new_fltr;
        enum ice_status status = ICE_SUCCESS;
        bool is_tx_fltr;
        u16 hw_vsi_id;
        int pkt_type;
        u8 recipe_id;

        ice_debug(hw, ICE_DBG_TRACE, "ice_set_vsi_promisc\n");

        if (!ice_is_vsi_valid(hw, vsi_handle))
                return ICE_ERR_PARAM;
        hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);

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

        if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
                new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
                new_fltr.l_data.mac_vlan.vlan_id = vid;
                recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
        } else {
                new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
                recipe_id = ICE_SW_LKUP_PROMISC;
        }

        /* Separate filters must be set for each direction/packet type
         * combination, so we will loop over the mask value, store the
         * individual type, and clear it out in the input mask as it
         * is found.
         */
        while (promisc_mask) {
                u8 *mac_addr;

                pkt_type = 0;
                is_tx_fltr = false;

                if (promisc_mask & ICE_PROMISC_UCAST_RX) {
                        promisc_mask &= ~ICE_PROMISC_UCAST_RX;
                        pkt_type = UCAST_FLTR;
                } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
                        promisc_mask &= ~ICE_PROMISC_UCAST_TX;
                        pkt_type = UCAST_FLTR;
                        is_tx_fltr = true;
                } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
                        promisc_mask &= ~ICE_PROMISC_MCAST_RX;
                        pkt_type = MCAST_FLTR;
                } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
                        promisc_mask &= ~ICE_PROMISC_MCAST_TX;
                        pkt_type = MCAST_FLTR;
                        is_tx_fltr = true;
                } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
                        promisc_mask &= ~ICE_PROMISC_BCAST_RX;
                        pkt_type = BCAST_FLTR;
                } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
                        promisc_mask &= ~ICE_PROMISC_BCAST_TX;
                        pkt_type = BCAST_FLTR;
                        is_tx_fltr = true;
                }

                /* Check for VLAN promiscuous flag */
                if (promisc_mask & ICE_PROMISC_VLAN_RX) {
                        promisc_mask &= ~ICE_PROMISC_VLAN_RX;
                } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
                        promisc_mask &= ~ICE_PROMISC_VLAN_TX;
                        is_tx_fltr = true;
                }

                /* Set filter DA based on packet type */
                mac_addr = new_fltr.l_data.mac.mac_addr;
                if (pkt_type == BCAST_FLTR) {
                        ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM);
                } else if (pkt_type == MCAST_FLTR ||
                           pkt_type == UCAST_FLTR) {
                        /* Use the dummy ether header DA */
                        ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN,
                                   ICE_NONDMA_TO_NONDMA);
                        if (pkt_type == MCAST_FLTR)
                                mac_addr[0] |= 0x1;     /* Set multicast bit */
                }

                /* Need to reset this to zero for all iterations */
                new_fltr.flag = 0;
                if (is_tx_fltr) {
                        new_fltr.flag |= ICE_FLTR_TX;
                        new_fltr.src = hw_vsi_id;
                } else {
                        new_fltr.flag |= ICE_FLTR_RX;
                        new_fltr.src = hw->port_info->lport;
                }

                new_fltr.fltr_act = ICE_FWD_TO_VSI;
                new_fltr.vsi_handle = vsi_handle;
                new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
                f_list_entry.fltr_info = new_fltr;

                status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
                if (status != ICE_SUCCESS)
                        goto set_promisc_exit;
        }

set_promisc_exit:
        return status;
}

/**
 * ice_set_vlan_vsi_promisc
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to configure
 * @promisc_mask: mask of promiscuous config bits
 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
 *
 * Configure VSI with all associated VLANs to given promiscuous mode(s)
 */
enum ice_status
ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
                         bool rm_vlan_promisc)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_list_entry *list_itr, *tmp;
        struct LIST_HEAD_TYPE vsi_list_head;
        struct LIST_HEAD_TYPE *vlan_head;
        struct ice_lock *vlan_lock; /* Lock to protect filter rule list */
        enum ice_status status;
        u16 vlan_id;

        INIT_LIST_HEAD(&vsi_list_head);
        vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
        vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
        ice_acquire_lock(vlan_lock);
        status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
                                          &vsi_list_head);
        ice_release_lock(vlan_lock);
        if (status)
                goto free_fltr_list;

        LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry,
                            list_entry) {
                vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
                if (rm_vlan_promisc)
                        status = ice_clear_vsi_promisc(hw, vsi_handle,
                                                       promisc_mask, vlan_id);
                else
                        status = ice_set_vsi_promisc(hw, vsi_handle,
                                                     promisc_mask, vlan_id);
                if (status)
                        break;
        }

free_fltr_list:
        LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head,
                                 ice_fltr_list_entry, list_entry) {
                LIST_DEL(&list_itr->list_entry);
                ice_free(hw, list_itr);
        }
        return status;
}

/**
 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to remove filters from
 * @lkup: switch rule filter lookup type
 */
static void
ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
                         enum ice_sw_lkup_type lkup)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_list_entry *fm_entry;
        struct LIST_HEAD_TYPE remove_list_head;
        struct LIST_HEAD_TYPE *rule_head;
        struct ice_fltr_list_entry *tmp;
        struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
        enum ice_status status;

        INIT_LIST_HEAD(&remove_list_head);
        rule_lock = &sw->recp_list[lkup].filt_rule_lock;
        rule_head = &sw->recp_list[lkup].filt_rules;
        ice_acquire_lock(rule_lock);
        status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
                                          &remove_list_head);
        ice_release_lock(rule_lock);
        if (status)
                return;

        switch (lkup) {
        case ICE_SW_LKUP_MAC:
                ice_remove_mac(hw, &remove_list_head);
                break;
        case ICE_SW_LKUP_VLAN:
                ice_remove_vlan(hw, &remove_list_head);
                break;
        case ICE_SW_LKUP_PROMISC:
        case ICE_SW_LKUP_PROMISC_VLAN:
                ice_remove_promisc(hw, lkup, &remove_list_head);
                break;
        case ICE_SW_LKUP_MAC_VLAN:
#ifndef NO_MACVLAN_SUPPORT
                ice_remove_mac_vlan(hw, &remove_list_head);
#else
                ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n");
#endif /* !NO_MACVLAN_SUPPORT */
                break;
        case ICE_SW_LKUP_ETHERTYPE:
        case ICE_SW_LKUP_ETHERTYPE_MAC:
        case ICE_SW_LKUP_DFLT:
                ice_debug(hw, ICE_DBG_SW,
                          "Remove filters for this lookup type hasn't been implemented yet\n");
                break;
        case ICE_SW_LKUP_LAST:
                ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n");
                break;
        }

        LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
                                 ice_fltr_list_entry, list_entry) {
                LIST_DEL(&fm_entry->list_entry);
                ice_free(hw, fm_entry);
        }
}

/**
 * ice_remove_vsi_fltr - Remove all filters for a VSI
 * @hw: pointer to the hardware structure
 * @vsi_handle: VSI handle to remove filters from
 */
void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
{
        ice_debug(hw, ICE_DBG_TRACE, "ice_remove_vsi_fltr\n");

        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC);
        ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN);
}

/**
 * ice_alloc_res_cntr - allocating resource counter
 * @hw: pointer to the hardware structure
 * @type: type of resource
 * @alloc_shared: if set it is shared else dedicated
 * @num_items: number of entries requested for FD resource type
 * @counter_id: counter index returned by AQ call
 */
enum ice_status
ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
                   u16 *counter_id)
{
        struct ice_aqc_alloc_free_res_elem *buf;
        enum ice_status status;
        u16 buf_len;

        /* Allocate resource */
        buf_len = sizeof(*buf);
        buf = (struct ice_aqc_alloc_free_res_elem *)
                ice_malloc(hw, buf_len);
        if (!buf)
                return ICE_ERR_NO_MEMORY;

        buf->num_elems = CPU_TO_LE16(num_items);
        buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
                                      ICE_AQC_RES_TYPE_M) | alloc_shared);

        status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
                                       ice_aqc_opc_alloc_res, NULL);
        if (status)
                goto exit;

        *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp);

exit:
        ice_free(hw, buf);
        return status;
}

/**
 * ice_free_res_cntr - free resource counter
 * @hw: pointer to the hardware structure
 * @type: type of resource
 * @alloc_shared: if set it is shared else dedicated
 * @num_items: number of entries to be freed for FD resource type
 * @counter_id: counter ID resource which needs to be freed
 */
enum ice_status
ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
                  u16 counter_id)
{
        struct ice_aqc_alloc_free_res_elem *buf;
        enum ice_status status;
        u16 buf_len;

        /* Free resource */
        buf_len = sizeof(*buf);
        buf = (struct ice_aqc_alloc_free_res_elem *)
                ice_malloc(hw, buf_len);
        if (!buf)
                return ICE_ERR_NO_MEMORY;

        buf->num_elems = CPU_TO_LE16(num_items);
        buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
                                      ICE_AQC_RES_TYPE_M) | alloc_shared);
        buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);

        status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
                                       ice_aqc_opc_free_res, NULL);
        if (status)
                ice_debug(hw, ICE_DBG_SW,
                          "counter resource could not be freed\n");

        ice_free(hw, buf);
        return status;
}

/**
 * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type
 * @hw: pointer to the hardware structure
 * @counter_id: returns counter index
 */
enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id)
{
        return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
                                  ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
                                  counter_id);
}

/**
 * ice_free_vlan_res_counter - Free counter resource for VLAN type
 * @hw: pointer to the hardware structure
 * @counter_id: counter index to be freed
 */
enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id)
{
        return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
                                 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
                                 counter_id);
}

/**
 * ice_alloc_res_lg_act - add large action resource
 * @hw: pointer to the hardware structure
 * @l_id: large action ID to fill it in
 * @num_acts: number of actions to hold with a large action entry
 */
static enum ice_status
ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts)
{
        struct ice_aqc_alloc_free_res_elem *sw_buf;
        enum ice_status status;
        u16 buf_len;

        if (num_acts > ICE_MAX_LG_ACT || num_acts == 0)
                return ICE_ERR_PARAM;

        /* Allocate resource for large action */
        buf_len = sizeof(*sw_buf);
        sw_buf = (struct ice_aqc_alloc_free_res_elem *)
                ice_malloc(hw, buf_len);
        if (!sw_buf)
                return ICE_ERR_NO_MEMORY;

        sw_buf->num_elems = CPU_TO_LE16(1);

        /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1.
         * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3.
         * If num_acts is greater than 2, then use
         * ICE_AQC_RES_TYPE_WIDE_TABLE_4.
         * The num_acts cannot exceed 4. This was ensured at the
         * beginning of the function.
         */
        if (num_acts == 1)
                sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1);
        else if (num_acts == 2)
                sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2);
        else
                sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4);

        status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
                                       ice_aqc_opc_alloc_res, NULL);
        if (!status)
                *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);

        ice_free(hw, sw_buf);
        return status;
}

/**
 * ice_add_mac_with_sw_marker - add filter with sw marker
 * @hw: pointer to the hardware structure
 * @f_info: filter info structure containing the MAC filter information
 * @sw_marker: sw marker to tag the Rx descriptor with
 */
enum ice_status
ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
                           u16 sw_marker)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *m_entry;
        struct ice_fltr_list_entry fl_info;
        struct LIST_HEAD_TYPE l_head;
        struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
        enum ice_status ret;
        bool entry_exists;
        u16 lg_act_id;

        if (f_info->fltr_act != ICE_FWD_TO_VSI)
                return ICE_ERR_PARAM;

        if (f_info->lkup_type != ICE_SW_LKUP_MAC)
                return ICE_ERR_PARAM;

        if (sw_marker == ICE_INVAL_SW_MARKER_ID)
                return ICE_ERR_PARAM;

        if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
                return ICE_ERR_PARAM;
        f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);

        /* Add filter if it doesn't exist so then the adding of large
         * action always results in update
         */

        INIT_LIST_HEAD(&l_head);
        fl_info.fltr_info = *f_info;
        LIST_ADD(&fl_info.list_entry, &l_head);

        entry_exists = false;
        ret = ice_add_mac(hw, &l_head);
        if (ret == ICE_ERR_ALREADY_EXISTS)
                entry_exists = true;
        else if (ret)
                return ret;

        rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
        ice_acquire_lock(rule_lock);
        /* Get the book keeping entry for the filter */
        m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
        if (!m_entry)
                goto exit_error;

        /* If counter action was enabled for this rule then don't enable
         * sw marker large action
         */
        if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
                ret = ICE_ERR_PARAM;
                goto exit_error;
        }

        /* if same marker was added before */
        if (m_entry->sw_marker_id == sw_marker) {
                ret = ICE_ERR_ALREADY_EXISTS;
                goto exit_error;
        }

        /* Allocate a hardware table entry to hold large act. Three actions
         * for marker based large action
         */
        ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3);
        if (ret)
                goto exit_error;

        if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
                goto exit_error;

        /* Update the switch rule to add the marker action */
        ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id);
        if (!ret) {
                ice_release_lock(rule_lock);
                return ret;
        }

exit_error:
        ice_release_lock(rule_lock);
        /* only remove entry if it did not exist previously */
        if (!entry_exists)
                ret = ice_remove_mac(hw, &l_head);

        return ret;
}

/**
 * ice_add_mac_with_counter - add filter with counter enabled
 * @hw: pointer to the hardware structure
 * @f_info: pointer to filter info structure containing the MAC filter
 *          information
 */
enum ice_status
ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info)
{
        struct ice_switch_info *sw = hw->switch_info;
        struct ice_fltr_mgmt_list_entry *m_entry;
        struct ice_fltr_list_entry fl_info;
        struct LIST_HEAD_TYPE l_head;
        struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
        enum ice_status ret;
        bool entry_exist;
        u16 counter_id;
        u16 lg_act_id;

        if (f_info->fltr_act != ICE_FWD_TO_VSI)
                return ICE_ERR_PARAM;

        if (f_info->lkup_type != ICE_SW_LKUP_MAC)
                return ICE_ERR_PARAM;

        if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
                return ICE_ERR_PARAM;
        f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);

        entry_exist = false;

        rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;

        /* Add filter if it doesn't exist so then the adding of large
         * action always results in update
         */
        INIT_LIST_HEAD(&l_head);

        fl_info.fltr_info = *f_info;
        LIST_ADD(&fl_info.list_entry, &l_head);

        ret = ice_add_mac(hw, &l_head);
        if (ret == ICE_ERR_ALREADY_EXISTS)
                entry_exist = true;
        else if (ret)
                return ret;

        ice_acquire_lock(rule_lock);
        m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
        if (!m_entry) {
                ret = ICE_ERR_BAD_PTR;
                goto exit_error;
        }

        /* Don't enable counter for a filter for which sw marker was enabled */
        if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) {
                ret = ICE_ERR_PARAM;
                goto exit_error;
        }

        /* If a counter was already enabled then don't need to add again */
        if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
                ret = ICE_ERR_ALREADY_EXISTS;
                goto exit_error;
        }

        /* Allocate a hardware table entry to VLAN counter */
        ret = ice_alloc_vlan_res_counter(hw, &counter_id);
        if (ret)
                goto exit_error;

        /* Allocate a hardware table entry to hold large act. Two actions for
         * counter based large action
         */
        ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2);
        if (ret)
                goto exit_error;

        if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
                goto exit_error;

        /* Update the switch rule to add the counter action */
        ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id);
        if (!ret) {
                ice_release_lock(rule_lock);
                return ret;
        }

exit_error:
        ice_release_lock(rule_lock);
        /* only remove entry if it did not exist previously */
        if (!entry_exist)
                ret = ice_remove_mac(hw, &l_head);

        return ret;
}

/**
 * ice_replay_fltr - Replay all the filters stored by a specific list head
 * @hw: pointer to the hardware structure
 * @list_head: list for which filters needs to be replayed
 * @recp_id: Recipe ID for which rules need to be replayed
 */
static enum ice_status
ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
{
        struct ice_fltr_mgmt_list_entry *itr;
        struct LIST_HEAD_TYPE l_head;
        enum ice_status status = ICE_SUCCESS;

        if (LIST_EMPTY(list_head))
                return status;

        /* Move entries from the given list_head to a temporary l_head so that
         * they can be replayed. Otherwise when trying to re-add the same
         * filter, the function will return already exists
         */
        LIST_REPLACE_INIT(list_head, &l_head);

        /* Mark the given list_head empty by reinitializing it so filters
         * could be added again by *handler
         */
        LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
                            list_entry) {
                struct ice_fltr_list_entry f_entry;

                f_entry.fltr_info = itr->fltr_info;
                if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
                        status = ice_add_rule_internal(hw, recp_id, &f_entry);
                        if (status != ICE_SUCCESS)
                                goto end;
                        continue;
                }

                /* Add a filter per VSI separately */
                while (1) {
                        u16 vsi_handle;

                        vsi_handle =
                                ice_find_first_bit(itr->vsi_list_info->vsi_map,
                                                   ICE_MAX_VSI);
                        if (!ice_is_vsi_valid(hw, vsi_handle))
                                break;

                        ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
                        f_entry.fltr_info.vsi_handle = vsi_handle;
                        f_entry.fltr_info.fwd_id.hw_vsi_id =
                                ice_get_hw_vsi_num(hw, vsi_handle);
                        f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
                        if (recp_id == ICE_SW_LKUP_VLAN)
                                status = ice_add_vlan_internal(hw, &f_entry);
                        else
                                status = ice_add_rule_internal(hw, recp_id,
                                                               &f_entry);
                        if (status != ICE_SUCCESS)
                                goto end;
                }
        }
end:
        /* Clear the filter management list */
        ice_rem_sw_rule_info(hw, &l_head);
        return status;
}

/**
 * ice_replay_all_fltr - replay all filters stored in bookkeeping lists
 * @hw: pointer to the hardware structure
 *
 * NOTE: This function does not clean up partially added filters on error.
 * It is up to caller of the function to issue a reset or fail early.
 */
enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
{
        struct ice_switch_info *sw = hw->switch_info;
        enum ice_status status = ICE_SUCCESS;
        u8 i;

        for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
                struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;

                status = ice_replay_fltr(hw, i, head);
                if (status != ICE_SUCCESS)
                        return status;
        }
        return status;
}

/**
 * ice_replay_vsi_fltr - Replay filters for requested VSI
 * @hw: pointer to the hardware structure
 * @vsi_handle: driver VSI handle
 * @recp_id: Recipe ID for which rules need to be replayed
 * @list_head: list for which filters need to be replayed
 *
 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
 * It is required to pass valid VSI handle.
 */
static enum ice_status
ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
                    struct LIST_HEAD_TYPE *list_head)
{
        struct ice_fltr_mgmt_list_entry *itr;
        enum ice_status status = ICE_SUCCESS;
        u16 hw_vsi_id;

        if (LIST_EMPTY(list_head))
                return status;
        hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);

        LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry,
                            list_entry) {
                struct ice_fltr_list_entry f_entry;

                f_entry.fltr_info = itr->fltr_info;
                if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
                    itr->fltr_info.vsi_handle == vsi_handle) {
                        /* update the src in case it is VSI num */
                        if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
                                f_entry.fltr_info.src = hw_vsi_id;
                        status = ice_add_rule_internal(hw, recp_id, &f_entry);
                        if (status != ICE_SUCCESS)
                                goto end;
                        continue;
                }
                if (!itr->vsi_list_info ||
                    !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle))
                        continue;
                /* Clearing it so that the logic can add it back */
                ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
                f_entry.fltr_info.vsi_handle = vsi_handle;
                f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
                /* update the src in case it is VSI num */
                if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
                        f_entry.fltr_info.src = hw_vsi_id;
                if (recp_id == ICE_SW_LKUP_VLAN)
                        status = ice_add_vlan_internal(hw, &f_entry);
                else
                        status = ice_add_rule_internal(hw, recp_id, &f_entry);
                if (status != ICE_SUCCESS)
                        goto end;
        }
end:
        return status;
}


/**
 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
 * @hw: pointer to the hardware structure
 * @vsi_handle: driver VSI handle
 *
 * Replays filters for requested VSI via vsi_handle.
 */
enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
{
        struct ice_switch_info *sw = hw->switch_info;
        enum ice_status status = ICE_SUCCESS;
        u8 i;

        for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
                /* Update the default recipe lines and ones that were created */
                if (i < ICE_MAX_NUM_RECIPES || sw->recp_list[i].recp_created) {
                        struct LIST_HEAD_TYPE *head;

                        head = &sw->recp_list[i].filt_replay_rules;
                        if (!sw->recp_list[i].adv_rule)
                                status = ice_replay_vsi_fltr(hw, vsi_handle, i,
                                                             head);
                        if (status != ICE_SUCCESS)
                                return status;
                }
        }
        return status;
}

/**
 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
 * @hw: pointer to the HW struct
 *
 * Deletes the filter replay rules.
 */
void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
{
        struct ice_switch_info *sw = hw->switch_info;
        u8 i;

        if (!sw)
                return;

        for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
                if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) {
                        struct LIST_HEAD_TYPE *l_head;

                        l_head = &sw->recp_list[i].filt_replay_rules;
                        if (!sw->recp_list[i].adv_rule)
                                ice_rem_sw_rule_info(hw, l_head);
                }
        }
}