1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2019
5 #include "ice_common.h"
6 #include "ice_flex_pipe.h"
7 #include "ice_protocol_type.h"
10 /* To support tunneling entries by PF, the package will append the PF number to
11 * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
13 static const struct ice_tunnel_type_scan tnls[] = {
14 { TNL_VXLAN, "TNL_VXLAN_PF" },
15 { TNL_GENEVE, "TNL_GENEVE_PF" },
19 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
23 ICE_SID_XLT_KEY_BUILDER_SW,
26 ICE_SID_PROFID_TCAM_SW,
27 ICE_SID_PROFID_REDIR_SW,
29 ICE_SID_CDID_KEY_BUILDER_SW,
36 ICE_SID_XLT_KEY_BUILDER_ACL,
39 ICE_SID_PROFID_TCAM_ACL,
40 ICE_SID_PROFID_REDIR_ACL,
42 ICE_SID_CDID_KEY_BUILDER_ACL,
43 ICE_SID_CDID_REDIR_ACL
49 ICE_SID_XLT_KEY_BUILDER_FD,
52 ICE_SID_PROFID_TCAM_FD,
53 ICE_SID_PROFID_REDIR_FD,
55 ICE_SID_CDID_KEY_BUILDER_FD,
62 ICE_SID_XLT_KEY_BUILDER_RSS,
65 ICE_SID_PROFID_TCAM_RSS,
66 ICE_SID_PROFID_REDIR_RSS,
68 ICE_SID_CDID_KEY_BUILDER_RSS,
69 ICE_SID_CDID_REDIR_RSS
75 ICE_SID_XLT_KEY_BUILDER_PE,
78 ICE_SID_PROFID_TCAM_PE,
79 ICE_SID_PROFID_REDIR_PE,
81 ICE_SID_CDID_KEY_BUILDER_PE,
87 * ice_sect_id - returns section ID
91 * This helper function returns the proper section ID given a block type and a
94 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
96 return ice_sect_lkup[blk][sect];
101 * @buf: pointer to the ice buffer
103 * This helper function validates a buffer's header.
105 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
107 struct ice_buf_hdr *hdr;
111 hdr = (struct ice_buf_hdr *)buf->buf;
113 section_count = LE16_TO_CPU(hdr->section_count);
114 if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
117 data_end = LE16_TO_CPU(hdr->data_end);
118 if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
126 * @ice_seg: pointer to the ice segment
128 * Returns the address of the buffer table within the ice segment.
130 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
132 struct ice_nvm_table *nvms;
134 nvms = (struct ice_nvm_table *)
135 (ice_seg->device_table +
136 LE32_TO_CPU(ice_seg->device_table_count));
138 return (_FORCE_ struct ice_buf_table *)
139 (nvms->vers + LE32_TO_CPU(nvms->table_count));
144 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
145 * @state: pointer to the enum state
147 * This function will enumerate all the buffers in the ice segment. The first
148 * call is made with the ice_seg parameter non-NULL; on subsequent calls,
149 * ice_seg is set to NULL which continues the enumeration. When the function
150 * returns a NULL pointer, then the end of the buffers has been reached, or an
151 * unexpected value has been detected (for example an invalid section count or
152 * an invalid buffer end value).
154 static struct ice_buf_hdr *
155 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
158 state->buf_table = ice_find_buf_table(ice_seg);
159 if (!state->buf_table)
163 return ice_pkg_val_buf(state->buf_table->buf_array);
166 if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
167 return ice_pkg_val_buf(state->buf_table->buf_array +
174 * ice_pkg_advance_sect
175 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
176 * @state: pointer to the enum state
178 * This helper function will advance the section within the ice segment,
179 * also advancing the buffer if needed.
182 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
184 if (!ice_seg && !state->buf)
187 if (!ice_seg && state->buf)
188 if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
191 state->buf = ice_pkg_enum_buf(ice_seg, state);
195 /* start of new buffer, reset section index */
201 * ice_pkg_enum_section
202 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
203 * @state: pointer to the enum state
204 * @sect_type: section type to enumerate
206 * This function will enumerate all the sections of a particular type in the
207 * ice segment. The first call is made with the ice_seg parameter non-NULL;
208 * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
209 * When the function returns a NULL pointer, then the end of the matching
210 * sections has been reached.
213 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
219 state->type = sect_type;
221 if (!ice_pkg_advance_sect(ice_seg, state))
224 /* scan for next matching section */
225 while (state->buf->section_entry[state->sect_idx].type !=
226 CPU_TO_LE32(state->type))
227 if (!ice_pkg_advance_sect(NULL, state))
230 /* validate section */
231 offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
232 if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
235 size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
236 if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
239 /* make sure the section fits in the buffer */
240 if (offset + size > ICE_PKG_BUF_SIZE)
244 LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);
246 /* calc pointer to this section */
247 state->sect = ((u8 *)state->buf) +
248 LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
255 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
256 * @state: pointer to the enum state
257 * @sect_type: section type to enumerate
258 * @offset: pointer to variable that receives the offset in the table (optional)
259 * @handler: function that handles access to the entries into the section type
261 * This function will enumerate all the entries in particular section type in
262 * the ice segment. The first call is made with the ice_seg parameter non-NULL;
263 * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
264 * When the function returns a NULL pointer, then the end of the entries has
267 * Since each section may have a different header and entry size, the handler
268 * function is needed to determine the number and location entries in each
271 * The offset parameter is optional, but should be used for sections that
272 * contain an offset for each section table. For such cases, the section handler
273 * function must return the appropriate offset + index to give the absolution
274 * offset for each entry. For example, if the base for a section's header
275 * indicates a base offset of 10, and the index for the entry is 2, then
276 * section handler function should set the offset to 10 + 2 = 12.
279 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
280 u32 sect_type, u32 *offset,
281 void *(*handler)(u32 sect_type, void *section,
282 u32 index, u32 *offset))
290 if (!ice_pkg_enum_section(ice_seg, state, sect_type))
293 state->entry_idx = 0;
294 state->handler = handler;
303 entry = state->handler(state->sect_type, state->sect, state->entry_idx,
306 /* end of a section, look for another section of this type */
307 if (!ice_pkg_enum_section(NULL, state, 0))
310 state->entry_idx = 0;
311 entry = state->handler(state->sect_type, state->sect,
312 state->entry_idx, offset);
319 * ice_boost_tcam_handler
320 * @sect_type: section type
321 * @section: pointer to section
322 * @index: index of the boost TCAM entry to be returned
323 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
325 * This is a callback function that can be passed to ice_pkg_enum_entry.
326 * Handles enumeration of individual boost TCAM entries.
329 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
331 struct ice_boost_tcam_section *boost;
336 if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
339 if (index > ICE_MAX_BST_TCAMS_IN_BUF)
345 boost = (struct ice_boost_tcam_section *)section;
346 if (index >= LE16_TO_CPU(boost->count))
349 return boost->tcam + index;
353 * ice_find_boost_entry
354 * @ice_seg: pointer to the ice segment (non-NULL)
355 * @addr: Boost TCAM address of entry to search for
356 * @entry: returns pointer to the entry
358 * Finds a particular Boost TCAM entry and returns a pointer to that entry
359 * if it is found. The ice_seg parameter must not be NULL since the first call
360 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
362 static enum ice_status
363 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
364 struct ice_boost_tcam_entry **entry)
366 struct ice_boost_tcam_entry *tcam;
367 struct ice_pkg_enum state;
369 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
372 return ICE_ERR_PARAM;
375 tcam = (struct ice_boost_tcam_entry *)
376 ice_pkg_enum_entry(ice_seg, &state,
377 ICE_SID_RXPARSER_BOOST_TCAM, NULL,
378 ice_boost_tcam_handler);
379 if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
392 * ice_label_enum_handler
393 * @sect_type: section type
394 * @section: pointer to section
395 * @index: index of the label entry to be returned
396 * @offset: pointer to receive absolute offset, always zero for label sections
398 * This is a callback function that can be passed to ice_pkg_enum_entry.
399 * Handles enumeration of individual label entries.
402 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index,
405 struct ice_label_section *labels;
410 if (index > ICE_MAX_LABELS_IN_BUF)
416 labels = (struct ice_label_section *)section;
417 if (index >= LE16_TO_CPU(labels->count))
420 return labels->label + index;
425 * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
426 * @type: the section type that will contain the label (0 on subsequent calls)
427 * @state: ice_pkg_enum structure that will hold the state of the enumeration
428 * @value: pointer to a value that will return the label's value if found
430 * Enumerates a list of labels in the package. The caller will call
431 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
432 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
433 * the end of the list has been reached.
436 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
439 struct ice_label *label;
441 /* Check for valid label section on first call */
442 if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
445 label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
447 ice_label_enum_handler);
451 *value = LE16_TO_CPU(label->value);
457 * @hw: pointer to the HW structure
458 * @ice_seg: pointer to the segment of the package scan (non-NULL)
460 * This function will scan the package and save off relevant information
461 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
462 * since the first call to ice_enum_labels requires a pointer to an actual
465 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
467 struct ice_pkg_enum state;
472 ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);
477 label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
480 while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
481 for (i = 0; tnls[i].type != TNL_LAST; i++) {
482 size_t len = strlen(tnls[i].label_prefix);
484 /* Look for matching label start, before continuing */
485 if (strncmp(label_name, tnls[i].label_prefix, len))
488 /* Make sure this label matches our PF. Note that the PF
489 * character ('0' - '7') will be located where our
490 * prefix string's null terminator is located.
492 if ((label_name[len] - '0') == hw->pf_id) {
493 hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
494 hw->tnl.tbl[hw->tnl.count].valid = false;
495 hw->tnl.tbl[hw->tnl.count].in_use = false;
496 hw->tnl.tbl[hw->tnl.count].marked = false;
497 hw->tnl.tbl[hw->tnl.count].boost_addr = val;
498 hw->tnl.tbl[hw->tnl.count].port = 0;
504 label_name = ice_enum_labels(NULL, 0, &state, &val);
507 /* Cache the appropriate boost TCAM entry pointers */
508 for (i = 0; i < hw->tnl.count; i++) {
509 ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
510 &hw->tnl.tbl[i].boost_entry);
511 if (hw->tnl.tbl[i].boost_entry)
512 hw->tnl.tbl[i].valid = true;
518 #define ICE_DC_KEY 0x1 /* don't care */
519 #define ICE_DC_KEYINV 0x1
520 #define ICE_NM_KEY 0x0 /* never match */
521 #define ICE_NM_KEYINV 0x0
522 #define ICE_0_KEY 0x1 /* match 0 */
523 #define ICE_0_KEYINV 0x0
524 #define ICE_1_KEY 0x0 /* match 1 */
525 #define ICE_1_KEYINV 0x1
528 * ice_gen_key_word - generate 16-bits of a key/mask word
530 * @valid: valid bits mask (change only the valid bits)
531 * @dont_care: don't care mask
532 * @nvr_mtch: never match mask
533 * @key: pointer to an array of where the resulting key portion
534 * @key_inv: pointer to an array of where the resulting key invert portion
536 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
537 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
538 * of key and 8 bits of key invert.
540 * '0' = b01, always match a 0 bit
541 * '1' = b10, always match a 1 bit
542 * '?' = b11, don't care bit (always matches)
543 * '~' = b00, never match bit
547 * dont_care: b0 0 1 1 0 0
548 * never_mtch: b0 0 0 0 1 1
549 * ------------------------------
550 * Result: key: b01 10 11 11 00 00
552 static enum ice_status
553 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
556 u8 in_key = *key, in_key_inv = *key_inv;
559 /* 'dont_care' and 'nvr_mtch' masks cannot overlap */
560 if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
566 /* encode the 8 bits into 8-bit key and 8-bit key invert */
567 for (i = 0; i < 8; i++) {
571 if (!(valid & 0x1)) { /* change only valid bits */
572 *key |= (in_key & 0x1) << 7;
573 *key_inv |= (in_key_inv & 0x1) << 7;
574 } else if (dont_care & 0x1) { /* don't care bit */
575 *key |= ICE_DC_KEY << 7;
576 *key_inv |= ICE_DC_KEYINV << 7;
577 } else if (nvr_mtch & 0x1) { /* never match bit */
578 *key |= ICE_NM_KEY << 7;
579 *key_inv |= ICE_NM_KEYINV << 7;
580 } else if (val & 0x01) { /* exact 1 match */
581 *key |= ICE_1_KEY << 7;
582 *key_inv |= ICE_1_KEYINV << 7;
583 } else { /* exact 0 match */
584 *key |= ICE_0_KEY << 7;
585 *key_inv |= ICE_0_KEYINV << 7;
600 * ice_bits_max_set - determine if the number of bits set is within a maximum
601 * @mask: pointer to the byte array which is the mask
602 * @size: the number of bytes in the mask
603 * @max: the max number of set bits
605 * This function determines if there are at most 'max' number of bits set in an
606 * array. Returns true if the number for bits set is <= max or will return false
609 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
614 /* check each byte */
615 for (i = 0; i < size; i++) {
616 /* if 0, go to next byte */
620 /* We know there is at least one set bit in this byte because of
621 * the above check; if we already have found 'max' number of
622 * bits set, then we can return failure now.
627 /* count the bits in this byte, checking threshold */
628 for (j = 0; j < BITS_PER_BYTE; j++) {
629 count += (mask[i] & (0x1 << j)) ? 1 : 0;
639 * ice_set_key - generate a variable sized key with multiples of 16-bits
640 * @key: pointer to where the key will be stored
641 * @size: the size of the complete key in bytes (must be even)
642 * @val: array of 8-bit values that makes up the value portion of the key
643 * @upd: array of 8-bit masks that determine what key portion to update
644 * @dc: array of 8-bit masks that make up the don't care mask
645 * @nm: array of 8-bit masks that make up the never match mask
646 * @off: the offset of the first byte in the key to update
647 * @len: the number of bytes in the key update
649 * This function generates a key from a value, a don't care mask and a never
651 * upd, dc, and nm are optional parameters, and can be NULL:
652 * upd == NULL --> udp mask is all 1's (update all bits)
653 * dc == NULL --> dc mask is all 0's (no don't care bits)
654 * nm == NULL --> nm mask is all 0's (no never match bits)
657 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
663 /* size must be a multiple of 2 bytes. */
666 half_size = size / 2;
668 if (off + len > half_size)
671 /* Make sure at most one bit is set in the never match mask. Having more
672 * than one never match mask bit set will cause HW to consume excessive
673 * power otherwise; this is a power management efficiency check.
675 #define ICE_NVR_MTCH_BITS_MAX 1
676 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
679 for (i = 0; i < len; i++)
680 if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
681 dc ? dc[i] : 0, nm ? nm[i] : 0,
682 key + off + i, key + half_size + off + i))
689 * ice_acquire_global_cfg_lock
690 * @hw: pointer to the HW structure
691 * @access: access type (read or write)
693 * This function will request ownership of the global config lock for reading
694 * or writing of the package. When attempting to obtain write access, the
695 * caller must check for the following two return values:
697 * ICE_SUCCESS - Means the caller has acquired the global config lock
698 * and can perform writing of the package.
699 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
700 * package or has found that no update was necessary; in
701 * this case, the caller can just skip performing any
702 * update of the package.
704 static enum ice_status
705 ice_acquire_global_cfg_lock(struct ice_hw *hw,
706 enum ice_aq_res_access_type access)
708 enum ice_status status;
710 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
712 status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
713 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
715 if (status == ICE_ERR_AQ_NO_WORK)
716 ice_debug(hw, ICE_DBG_PKG,
717 "Global config lock: No work to do\n");
723 * ice_release_global_cfg_lock
724 * @hw: pointer to the HW structure
726 * This function will release the global config lock.
728 static void ice_release_global_cfg_lock(struct ice_hw *hw)
730 ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
734 * ice_acquire_change_lock
735 * @hw: pointer to the HW structure
736 * @access: access type (read or write)
738 * This function will request ownership of the change lock.
741 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
743 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
745 return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
746 ICE_CHANGE_LOCK_TIMEOUT);
750 * ice_release_change_lock
751 * @hw: pointer to the HW structure
753 * This function will release the change lock using the proper Admin Command.
755 void ice_release_change_lock(struct ice_hw *hw)
757 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
759 ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
763 * ice_aq_download_pkg
764 * @hw: pointer to the hardware structure
765 * @pkg_buf: the package buffer to transfer
766 * @buf_size: the size of the package buffer
767 * @last_buf: last buffer indicator
768 * @error_offset: returns error offset
769 * @error_info: returns error information
770 * @cd: pointer to command details structure or NULL
772 * Download Package (0x0C40)
774 static enum ice_status
775 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
776 u16 buf_size, bool last_buf, u32 *error_offset,
777 u32 *error_info, struct ice_sq_cd *cd)
779 struct ice_aqc_download_pkg *cmd;
780 struct ice_aq_desc desc;
781 enum ice_status status;
783 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
790 cmd = &desc.params.download_pkg;
791 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
792 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
795 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
797 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
798 if (status == ICE_ERR_AQ_ERROR) {
799 /* Read error from buffer only when the FW returned an error */
800 struct ice_aqc_download_pkg_resp *resp;
802 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
804 *error_offset = LE32_TO_CPU(resp->error_offset);
806 *error_info = LE32_TO_CPU(resp->error_info);
814 * @hw: pointer to the hardware structure
815 * @pkg_buf: the package cmd buffer
816 * @buf_size: the size of the package cmd buffer
817 * @last_buf: last buffer indicator
818 * @error_offset: returns error offset
819 * @error_info: returns error information
820 * @cd: pointer to command details structure or NULL
822 * Update Package (0x0C42)
824 static enum ice_status
825 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
826 bool last_buf, u32 *error_offset, u32 *error_info,
827 struct ice_sq_cd *cd)
829 struct ice_aqc_download_pkg *cmd;
830 struct ice_aq_desc desc;
831 enum ice_status status;
833 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
840 cmd = &desc.params.download_pkg;
841 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
842 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
845 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
847 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
848 if (status == ICE_ERR_AQ_ERROR) {
849 /* Read error from buffer only when the FW returned an error */
850 struct ice_aqc_download_pkg_resp *resp;
852 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
854 *error_offset = LE32_TO_CPU(resp->error_offset);
856 *error_info = LE32_TO_CPU(resp->error_info);
863 * ice_find_seg_in_pkg
864 * @hw: pointer to the hardware structure
865 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
866 * @pkg_hdr: pointer to the package header to be searched
868 * This function searches a package file for a particular segment type. On
869 * success it returns a pointer to the segment header, otherwise it will
872 static struct ice_generic_seg_hdr *
873 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
874 struct ice_pkg_hdr *pkg_hdr)
878 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
879 ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
880 pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
881 pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
883 /* Search all package segments for the requested segment type */
884 for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
885 struct ice_generic_seg_hdr *seg;
887 seg = (struct ice_generic_seg_hdr *)
888 ((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));
890 if (LE32_TO_CPU(seg->seg_type) == seg_type)
899 * @hw: pointer to the hardware structure
900 * @bufs: pointer to an array of buffers
901 * @count: the number of buffers in the array
903 * Obtains change lock and updates package.
906 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
908 enum ice_status status;
911 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
915 for (i = 0; i < count; i++) {
916 bool last = ((i + 1) == count);
918 struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
920 status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
921 last, &offset, &info, NULL);
924 ice_debug(hw, ICE_DBG_PKG,
925 "Update pkg failed: err %d off %d inf %d\n",
926 status, offset, info);
931 ice_release_change_lock(hw);
938 * @hw: pointer to the hardware structure
939 * @bufs: pointer to an array of buffers
940 * @count: the number of buffers in the array
942 * Obtains global config lock and downloads the package configuration buffers
943 * to the firmware. Metadata buffers are skipped, and the first metadata buffer
944 * found indicates that the rest of the buffers are all metadata buffers.
946 static enum ice_status
947 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
949 enum ice_status status;
950 struct ice_buf_hdr *bh;
954 return ICE_ERR_PARAM;
956 /* If the first buffer's first section has its metadata bit set
957 * then there are no buffers to be downloaded, and the operation is
958 * considered a success.
960 bh = (struct ice_buf_hdr *)bufs;
961 if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
964 /* reset pkg_dwnld_status in case this function is called in the
967 hw->pkg_dwnld_status = ICE_AQ_RC_OK;
969 status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
971 if (status == ICE_ERR_AQ_NO_WORK)
972 hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
974 hw->pkg_dwnld_status = hw->adminq.sq_last_status;
978 for (i = 0; i < count; i++) {
979 bool last = ((i + 1) == count);
982 /* check next buffer for metadata flag */
983 bh = (struct ice_buf_hdr *)(bufs + i + 1);
985 /* A set metadata flag in the next buffer will signal
986 * that the current buffer will be the last buffer
989 if (LE16_TO_CPU(bh->section_count))
990 if (LE32_TO_CPU(bh->section_entry[0].type) &
995 bh = (struct ice_buf_hdr *)(bufs + i);
997 status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
998 &offset, &info, NULL);
1000 /* Save AQ status from download package */
1001 hw->pkg_dwnld_status = hw->adminq.sq_last_status;
1003 ice_debug(hw, ICE_DBG_PKG,
1004 "Pkg download failed: err %d off %d inf %d\n",
1005 status, offset, info);
1013 ice_release_global_cfg_lock(hw);
1019 * ice_aq_get_pkg_info_list
1020 * @hw: pointer to the hardware structure
1021 * @pkg_info: the buffer which will receive the information list
1022 * @buf_size: the size of the pkg_info information buffer
1023 * @cd: pointer to command details structure or NULL
1025 * Get Package Info List (0x0C43)
1027 static enum ice_status
1028 ice_aq_get_pkg_info_list(struct ice_hw *hw,
1029 struct ice_aqc_get_pkg_info_resp *pkg_info,
1030 u16 buf_size, struct ice_sq_cd *cd)
1032 struct ice_aq_desc desc;
1034 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1035 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
1037 return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
1042 * @hw: pointer to the hardware structure
1043 * @ice_seg: pointer to the segment of the package to be downloaded
1045 * Handles the download of a complete package.
1047 static enum ice_status
1048 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
1050 struct ice_buf_table *ice_buf_tbl;
1052 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1053 ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
1054 ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
1055 ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
1057 ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
1058 LE32_TO_CPU(ice_seg->hdr.seg_type),
1059 LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
1061 ice_buf_tbl = ice_find_buf_table(ice_seg);
1063 ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
1064 LE32_TO_CPU(ice_buf_tbl->buf_count));
1066 return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
1067 LE32_TO_CPU(ice_buf_tbl->buf_count));
1072 * @hw: pointer to the hardware structure
1073 * @pkg_hdr: pointer to the driver's package hdr
1075 * Saves off the package details into the HW structure.
1077 static enum ice_status
1078 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
1080 struct ice_global_metadata_seg *meta_seg;
1081 struct ice_generic_seg_hdr *seg_hdr;
1083 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1085 return ICE_ERR_PARAM;
1087 meta_seg = (struct ice_global_metadata_seg *)
1088 ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
1090 hw->pkg_ver = meta_seg->pkg_ver;
1091 ice_memcpy(hw->pkg_name, meta_seg->pkg_name,
1092 sizeof(hw->pkg_name), ICE_NONDMA_TO_NONDMA);
1094 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
1095 meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
1096 meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
1097 meta_seg->pkg_name);
1099 ice_debug(hw, ICE_DBG_INIT,
1100 "Did not find metadata segment in driver package\n");
1104 seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
1106 hw->ice_pkg_ver = seg_hdr->seg_ver;
1107 ice_memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
1108 sizeof(hw->ice_pkg_name), ICE_NONDMA_TO_NONDMA);
1110 ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
1111 seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
1112 seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
1115 ice_debug(hw, ICE_DBG_INIT,
1116 "Did not find ice segment in driver package\n");
1125 * @hw: pointer to the hardware structure
1127 * Store details of the package currently loaded in HW into the HW structure.
1129 static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
1131 struct ice_aqc_get_pkg_info_resp *pkg_info;
1132 enum ice_status status;
1136 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1138 size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
1140 pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1142 return ICE_ERR_NO_MEMORY;
1144 status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
1146 goto init_pkg_free_alloc;
1148 for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
1149 #define ICE_PKG_FLAG_COUNT 4
1150 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
1153 if (pkg_info->pkg_info[i].is_active) {
1154 flags[place++] = 'A';
1155 hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
1156 ice_memcpy(hw->active_pkg_name,
1157 pkg_info->pkg_info[i].name,
1158 sizeof(hw->active_pkg_name),
1159 ICE_NONDMA_TO_NONDMA);
1160 hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
1162 if (pkg_info->pkg_info[i].is_active_at_boot)
1163 flags[place++] = 'B';
1164 if (pkg_info->pkg_info[i].is_modified)
1165 flags[place++] = 'M';
1166 if (pkg_info->pkg_info[i].is_in_nvm)
1167 flags[place++] = 'N';
1169 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
1170 i, pkg_info->pkg_info[i].ver.major,
1171 pkg_info->pkg_info[i].ver.minor,
1172 pkg_info->pkg_info[i].ver.update,
1173 pkg_info->pkg_info[i].ver.draft,
1174 pkg_info->pkg_info[i].name, flags);
1177 init_pkg_free_alloc:
1178 ice_free(hw, pkg_info);
1184 * ice_verify_pkg - verify package
1185 * @pkg: pointer to the package buffer
1186 * @len: size of the package buffer
1188 * Verifies various attributes of the package file, including length, format
1189 * version, and the requirement of at least one segment.
1191 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
1196 if (len < sizeof(*pkg))
1197 return ICE_ERR_BUF_TOO_SHORT;
1199 if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
1200 pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
1201 pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
1202 pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
1205 /* pkg must have at least one segment */
1206 seg_count = LE32_TO_CPU(pkg->seg_count);
1210 /* make sure segment array fits in package length */
1211 if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
1212 return ICE_ERR_BUF_TOO_SHORT;
1214 /* all segments must fit within length */
1215 for (i = 0; i < seg_count; i++) {
1216 u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
1217 struct ice_generic_seg_hdr *seg;
1219 /* segment header must fit */
1220 if (len < off + sizeof(*seg))
1221 return ICE_ERR_BUF_TOO_SHORT;
1223 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
1225 /* segment body must fit */
1226 if (len < off + LE32_TO_CPU(seg->seg_size))
1227 return ICE_ERR_BUF_TOO_SHORT;
1234 * ice_free_seg - free package segment pointer
1235 * @hw: pointer to the hardware structure
1237 * Frees the package segment pointer in the proper manner, depending on if the
1238 * segment was allocated or just the passed in pointer was stored.
1240 void ice_free_seg(struct ice_hw *hw)
1243 ice_free(hw, hw->pkg_copy);
1244 hw->pkg_copy = NULL;
1251 * ice_init_pkg_regs - initialize additional package registers
1252 * @hw: pointer to the hardware structure
1254 static void ice_init_pkg_regs(struct ice_hw *hw)
1256 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
1257 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
1258 #define ICE_SW_BLK_IDX 0
1260 /* setup Switch block input mask, which is 48-bits in two parts */
1261 wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
1262 wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
1266 * ice_chk_pkg_version - check package version for compatibility with driver
1267 * @pkg_ver: pointer to a version structure to check
1269 * Check to make sure that the package about to be downloaded is compatible with
1270 * the driver. To be compatible, the major and minor components of the package
1271 * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
1274 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
1276 if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
1277 pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
1278 return ICE_ERR_NOT_SUPPORTED;
1284 * ice_init_pkg - initialize/download package
1285 * @hw: pointer to the hardware structure
1286 * @buf: pointer to the package buffer
1287 * @len: size of the package buffer
1289 * This function initializes a package. The package contains HW tables
1290 * required to do packet processing. First, the function extracts package
1291 * information such as version. Then it finds the ice configuration segment
1292 * within the package; this function then saves a copy of the segment pointer
1293 * within the supplied package buffer. Next, the function will cache any hints
1294 * from the package, followed by downloading the package itself. Note, that if
1295 * a previous PF driver has already downloaded the package successfully, then
1296 * the current driver will not have to download the package again.
1298 * The local package contents will be used to query default behavior and to
1299 * update specific sections of the HW's version of the package (e.g. to update
1300 * the parse graph to understand new protocols).
1302 * This function stores a pointer to the package buffer memory, and it is
1303 * expected that the supplied buffer will not be freed immediately. If the
1304 * package buffer needs to be freed, such as when read from a file, use
1305 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
1308 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
1310 struct ice_pkg_hdr *pkg;
1311 enum ice_status status;
1312 struct ice_seg *seg;
1315 return ICE_ERR_PARAM;
1317 pkg = (struct ice_pkg_hdr *)buf;
1318 status = ice_verify_pkg(pkg, len);
1320 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
1325 /* initialize package info */
1326 status = ice_init_pkg_info(hw, pkg);
1330 /* before downloading the package, check package version for
1331 * compatibility with driver
1333 status = ice_chk_pkg_version(&hw->pkg_ver);
1337 /* find segment in given package */
1338 seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
1340 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
1344 /* initialize package hints and then download package */
1345 ice_init_pkg_hints(hw, seg);
1346 status = ice_download_pkg(hw, seg);
1347 if (status == ICE_ERR_AQ_NO_WORK) {
1348 ice_debug(hw, ICE_DBG_INIT,
1349 "package previously loaded - no work.\n");
1350 status = ICE_SUCCESS;
1353 /* Get information on the package currently loaded in HW, then make sure
1354 * the driver is compatible with this version.
1357 status = ice_get_pkg_info(hw);
1359 status = ice_chk_pkg_version(&hw->active_pkg_ver);
1364 /* on successful package download update other required
1365 * registers to support the package and fill HW tables
1366 * with package content.
1368 ice_init_pkg_regs(hw);
1369 ice_fill_blk_tbls(hw);
1371 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
1379 * ice_copy_and_init_pkg - initialize/download a copy of the package
1380 * @hw: pointer to the hardware structure
1381 * @buf: pointer to the package buffer
1382 * @len: size of the package buffer
1384 * This function copies the package buffer, and then calls ice_init_pkg() to
1385 * initialize the copied package contents.
1387 * The copying is necessary if the package buffer supplied is constant, or if
1388 * the memory may disappear shortly after calling this function.
1390 * If the package buffer resides in the data segment and can be modified, the
1391 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
1393 * However, if the package buffer needs to be copied first, such as when being
1394 * read from a file, the caller should use ice_copy_and_init_pkg().
1396 * This function will first copy the package buffer, before calling
1397 * ice_init_pkg(). The caller is free to immediately destroy the original
1398 * package buffer, as the new copy will be managed by this function and
1401 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
1403 enum ice_status status;
1407 return ICE_ERR_PARAM;
1409 buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);
1411 status = ice_init_pkg(hw, buf_copy, len);
1413 /* Free the copy, since we failed to initialize the package */
1414 ice_free(hw, buf_copy);
1416 /* Track the copied pkg so we can free it later */
1417 hw->pkg_copy = buf_copy;
1426 * @hw: pointer to the HW structure
1428 * Allocates a package buffer and returns a pointer to the buffer header.
1429 * Note: all package contents must be in Little Endian form.
1431 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
1433 struct ice_buf_build *bld;
1434 struct ice_buf_hdr *buf;
1436 bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
1440 buf = (struct ice_buf_hdr *)bld;
1441 buf->data_end = CPU_TO_LE16(sizeof(*buf) -
1442 sizeof(buf->section_entry[0]));
1448 * @sect_type: section type
1449 * @section: pointer to section
1450 * @index: index of the field vector entry to be returned
1451 * @offset: ptr to variable that receives the offset in the field vector table
1453 * This is a callback function that can be passed to ice_pkg_enum_entry.
1454 * This function treats the given section as of type ice_sw_fv_section and
1455 * enumerates offset field. "offset" is an index into the field vector
1459 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
1461 struct ice_sw_fv_section *fv_section =
1462 (struct ice_sw_fv_section *)section;
1464 if (!section || sect_type != ICE_SID_FLD_VEC_SW)
1466 if (index >= LE16_TO_CPU(fv_section->count))
1469 /* "index" passed in to this function is relative to a given
1470 * 4k block. To get to the true index into the field vector
1471 * table need to add the relative index to the base_offset
1472 * field of this section
1474 *offset = LE16_TO_CPU(fv_section->base_offset) + index;
1475 return fv_section->fv + index;
1479 * ice_get_sw_prof_type - determine switch profile type
1480 * @hw: pointer to the HW structure
1481 * @fv: pointer to the switch field vector
1483 static enum ice_prof_type
1484 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv)
1488 for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) {
1489 /* UDP tunnel will have UDP_OF protocol ID and VNI offset */
1490 if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF &&
1491 fv->ew[i].off == ICE_VNI_OFFSET)
1492 return ICE_PROF_TUN_UDP;
1494 /* GRE tunnel will have GRE protocol */
1495 if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF)
1496 return ICE_PROF_TUN_GRE;
1498 /* PPPOE tunnel will have PPPOE protocol */
1499 if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE)
1500 return ICE_PROF_TUN_PPPOE;
1503 return ICE_PROF_NON_TUN;
1507 * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type
1508 * @hw: pointer to hardware structure
1509 * @type: type of profiles requested
1510 * @bm: pointer to memory for returning the bitmap of field vectors
1513 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type type,
1516 struct ice_pkg_enum state;
1517 struct ice_seg *ice_seg;
1520 if (type == ICE_PROF_ALL) {
1523 for (i = 0; i < ICE_MAX_NUM_PROFILES; i++)
1528 ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES);
1532 enum ice_prof_type prof_type;
1535 fv = (struct ice_fv *)
1536 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1537 &offset, ice_sw_fv_handler);
1541 /* Determine field vector type */
1542 prof_type = ice_get_sw_prof_type(hw, fv);
1544 if (type & prof_type)
1545 ice_set_bit((u16)offset, bm);
1551 * ice_get_sw_fv_list
1552 * @hw: pointer to the HW structure
1553 * @prot_ids: field vector to search for with a given protocol ID
1554 * @ids_cnt: lookup/protocol count
1555 * @bm: bitmap of field vectors to consider
1556 * @fv_list: Head of a list
1558 * Finds all the field vector entries from switch block that contain
1559 * a given protocol ID and returns a list of structures of type
1560 * "ice_sw_fv_list_entry". Every structure in the list has a field vector
1561 * definition and profile ID information
1562 * NOTE: The caller of the function is responsible for freeing the memory
1563 * allocated for every list entry.
1566 ice_get_sw_fv_list(struct ice_hw *hw, u16 *prot_ids, u8 ids_cnt,
1567 ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list)
1569 struct ice_sw_fv_list_entry *fvl;
1570 struct ice_sw_fv_list_entry *tmp;
1571 struct ice_pkg_enum state;
1572 struct ice_seg *ice_seg;
1576 if (!ids_cnt || !hw->seg)
1577 return ICE_ERR_PARAM;
1583 fv = (struct ice_fv *)
1584 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1585 &offset, ice_sw_fv_handler);
1590 /* If field vector is not in the bitmap list, then skip this
1593 if (!ice_is_bit_set(bm, (u16)offset))
1596 for (i = 0; i < ids_cnt; i++) {
1599 /* This code assumes that if a switch field vector line
1600 * has a matching protocol, then this line will contain
1601 * the entries necessary to represent every field in
1602 * that protocol header.
1604 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1605 if (fv->ew[j].prot_id == prot_ids[i])
1607 if (j >= hw->blk[ICE_BLK_SW].es.fvw)
1609 if (i + 1 == ids_cnt) {
1610 fvl = (struct ice_sw_fv_list_entry *)
1611 ice_malloc(hw, sizeof(*fvl));
1615 fvl->profile_id = offset;
1616 LIST_ADD(&fvl->list_entry, fv_list);
1621 if (LIST_EMPTY(fv_list))
1626 LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
1628 LIST_DEL(&fvl->list_entry);
1632 return ICE_ERR_NO_MEMORY;
1636 * ice_init_profile_to_result_bm - Initialize the profile result index bitmap
1637 * @hw: pointer to hardware structure
1640 ice_init_prof_result_bm(struct ice_hw *hw)
1642 struct ice_pkg_enum state;
1643 struct ice_seg *ice_seg;
1654 fv = (struct ice_fv *)
1655 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1656 &off, ice_sw_fv_handler);
1661 ice_zero_bitmap(hw->switch_info->prof_res_bm[off],
1664 /* Determine empty field vector indices, these can be
1665 * used for recipe results. Skip index 0, since it is
1666 * always used for Switch ID.
1668 for (i = 1; i < ICE_MAX_FV_WORDS; i++)
1669 if (fv->ew[i].prot_id == ICE_PROT_INVALID &&
1670 fv->ew[i].off == ICE_FV_OFFSET_INVAL)
1672 hw->switch_info->prof_res_bm[off]);
1678 * @hw: pointer to the HW structure
1679 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1681 * Frees a package buffer
1683 static void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
1689 * ice_pkg_buf_reserve_section
1690 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1691 * @count: the number of sections to reserve
1693 * Reserves one or more section table entries in a package buffer. This routine
1694 * can be called multiple times as long as they are made before calling
1695 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1696 * is called once, the number of sections that can be allocated will not be able
1697 * to be increased; not using all reserved sections is fine, but this will
1698 * result in some wasted space in the buffer.
1699 * Note: all package contents must be in Little Endian form.
1701 static enum ice_status
1702 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
1704 struct ice_buf_hdr *buf;
1709 return ICE_ERR_PARAM;
1711 buf = (struct ice_buf_hdr *)&bld->buf;
1713 /* already an active section, can't increase table size */
1714 section_count = LE16_TO_CPU(buf->section_count);
1715 if (section_count > 0)
1718 if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
1720 bld->reserved_section_table_entries += count;
1722 data_end = LE16_TO_CPU(buf->data_end) +
1723 (count * sizeof(buf->section_entry[0]));
1724 buf->data_end = CPU_TO_LE16(data_end);
1730 * ice_pkg_buf_alloc_section
1731 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1732 * @type: the section type value
1733 * @size: the size of the section to reserve (in bytes)
1735 * Reserves memory in the buffer for a section's content and updates the
1736 * buffers' status accordingly. This routine returns a pointer to the first
1737 * byte of the section start within the buffer, which is used to fill in the
1739 * Note: all package contents must be in Little Endian form.
1742 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
1744 struct ice_buf_hdr *buf;
1748 if (!bld || !type || !size)
1751 buf = (struct ice_buf_hdr *)&bld->buf;
1753 /* check for enough space left in buffer */
1754 data_end = LE16_TO_CPU(buf->data_end);
1756 /* section start must align on 4 byte boundary */
1757 data_end = ICE_ALIGN(data_end, 4);
1759 if ((data_end + size) > ICE_MAX_S_DATA_END)
1762 /* check for more available section table entries */
1763 sect_count = LE16_TO_CPU(buf->section_count);
1764 if (sect_count < bld->reserved_section_table_entries) {
1765 void *section_ptr = ((u8 *)buf) + data_end;
1767 buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
1768 buf->section_entry[sect_count].size = CPU_TO_LE16(size);
1769 buf->section_entry[sect_count].type = CPU_TO_LE32(type);
1772 buf->data_end = CPU_TO_LE16(data_end);
1774 buf->section_count = CPU_TO_LE16(sect_count + 1);
1778 /* no free section table entries */
1783 * ice_pkg_buf_get_active_sections
1784 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1786 * Returns the number of active sections. Before using the package buffer
1787 * in an update package command, the caller should make sure that there is at
1788 * least one active section - otherwise, the buffer is not legal and should
1790 * Note: all package contents must be in Little Endian form.
1792 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
1794 struct ice_buf_hdr *buf;
1799 buf = (struct ice_buf_hdr *)&bld->buf;
1800 return LE16_TO_CPU(buf->section_count);
1804 * ice_pkg_buf_header
1805 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1807 * Return a pointer to the buffer's header
1809 static struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
1818 * ice_tunnel_port_in_use
1819 * @hw: pointer to the HW structure
1820 * @port: port to search for
1821 * @index: optionally returns index
1823 * Returns whether a port is already in use as a tunnel, and optionally its
1826 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index)
1830 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1831 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
1841 * ice_tunnel_get_type
1842 * @hw: pointer to the HW structure
1843 * @port: port to search for
1844 * @type: returns tunnel index
1846 * For a given port number, will return the type of tunnel.
1849 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type)
1853 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1854 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
1855 *type = hw->tnl.tbl[i].type;
1863 * ice_find_free_tunnel_entry
1864 * @hw: pointer to the HW structure
1865 * @type: tunnel type
1866 * @index: optionally returns index
1868 * Returns whether there is a free tunnel entry, and optionally its index
1871 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type,
1876 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1877 if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use &&
1878 hw->tnl.tbl[i].type == type) {
1888 * ice_get_tunnel_port - retrieve an open tunnel port
1889 * @hw: pointer to the HW structure
1890 * @type: tunnel type (TNL_ALL will return any open port)
1891 * @port: returns open port
1894 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
1899 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
1900 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
1901 (type == TNL_ALL || hw->tnl.tbl[i].type == type)) {
1902 *port = hw->tnl.tbl[i].port;
1911 * @hw: pointer to the HW structure
1912 * @type: type of tunnel
1913 * @port: port to use for vxlan tunnel
1918 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port)
1920 struct ice_boost_tcam_section *sect_rx, *sect_tx;
1921 enum ice_status status = ICE_ERR_MAX_LIMIT;
1922 struct ice_buf_build *bld;
1925 if (ice_tunnel_port_in_use(hw, port, NULL))
1926 return ICE_ERR_ALREADY_EXISTS;
1928 if (!ice_find_free_tunnel_entry(hw, type, &index))
1929 return ICE_ERR_OUT_OF_RANGE;
1931 bld = ice_pkg_buf_alloc(hw);
1933 return ICE_ERR_NO_MEMORY;
1935 /* allocate 2 sections, one for Rx parser, one for Tx parser */
1936 if (ice_pkg_buf_reserve_section(bld, 2))
1937 goto ice_create_tunnel_err;
1939 sect_rx = (struct ice_boost_tcam_section *)
1940 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
1943 goto ice_create_tunnel_err;
1944 sect_rx->count = CPU_TO_LE16(1);
1946 sect_tx = (struct ice_boost_tcam_section *)
1947 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
1950 goto ice_create_tunnel_err;
1951 sect_tx->count = CPU_TO_LE16(1);
1953 /* copy original boost entry to update package buffer */
1954 ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
1955 sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA);
1957 /* over-write the never-match dest port key bits with the encoded port
1960 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
1961 (u8 *)&port, NULL, NULL, NULL,
1962 offsetof(struct ice_boost_key_value, hv_dst_port_key),
1963 sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key));
1965 /* exact copy of entry to Tx section entry */
1966 ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam),
1967 ICE_NONDMA_TO_NONDMA);
1969 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
1971 hw->tnl.tbl[index].port = port;
1972 hw->tnl.tbl[index].in_use = true;
1975 ice_create_tunnel_err:
1976 ice_pkg_buf_free(hw, bld);
1982 * ice_destroy_tunnel
1983 * @hw: pointer to the HW structure
1984 * @port: port of tunnel to destroy (ignored if the all parameter is true)
1985 * @all: flag that states to destroy all tunnels
1987 * Destroys a tunnel or all tunnels by creating an update package buffer
1988 * targeting the specific updates requested and then performing an update
1991 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all)
1993 struct ice_boost_tcam_section *sect_rx, *sect_tx;
1994 enum ice_status status = ICE_ERR_MAX_LIMIT;
1995 struct ice_buf_build *bld;
2000 /* determine count */
2001 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2002 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2003 (all || hw->tnl.tbl[i].port == port))
2007 return ICE_ERR_PARAM;
2009 /* size of section - there is at least one entry */
2010 size = (count - 1) * sizeof(*sect_rx->tcam) + sizeof(*sect_rx);
2012 bld = ice_pkg_buf_alloc(hw);
2014 return ICE_ERR_NO_MEMORY;
2016 /* allocate 2 sections, one for Rx parser, one for Tx parser */
2017 if (ice_pkg_buf_reserve_section(bld, 2))
2018 goto ice_destroy_tunnel_err;
2020 sect_rx = (struct ice_boost_tcam_section *)
2021 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
2024 goto ice_destroy_tunnel_err;
2025 sect_rx->count = CPU_TO_LE16(1);
2027 sect_tx = (struct ice_boost_tcam_section *)
2028 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
2031 goto ice_destroy_tunnel_err;
2032 sect_tx->count = CPU_TO_LE16(1);
2034 /* copy original boost entry to update package buffer, one copy to Rx
2035 * section, another copy to the Tx section
2037 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
2038 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
2039 (all || hw->tnl.tbl[i].port == port)) {
2040 ice_memcpy(sect_rx->tcam + i,
2041 hw->tnl.tbl[i].boost_entry,
2042 sizeof(*sect_rx->tcam),
2043 ICE_NONDMA_TO_NONDMA);
2044 ice_memcpy(sect_tx->tcam + i,
2045 hw->tnl.tbl[i].boost_entry,
2046 sizeof(*sect_tx->tcam),
2047 ICE_NONDMA_TO_NONDMA);
2048 hw->tnl.tbl[i].marked = true;
2051 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2053 for (i = 0; i < hw->tnl.count &&
2054 i < ICE_TUNNEL_MAX_ENTRIES; i++)
2055 if (hw->tnl.tbl[i].marked) {
2056 hw->tnl.tbl[i].port = 0;
2057 hw->tnl.tbl[i].in_use = false;
2058 hw->tnl.tbl[i].marked = false;
2061 ice_destroy_tunnel_err:
2062 ice_pkg_buf_free(hw, bld);
2068 * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index
2069 * @hw: pointer to the hardware structure
2070 * @blk: hardware block
2072 * @fv_idx: field vector word index
2073 * @prot: variable to receive the protocol ID
2074 * @off: variable to receive the protocol offset
2077 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u8 fv_idx,
2080 struct ice_fv_word *fv_ext;
2082 if (prof >= hw->blk[blk].es.count)
2083 return ICE_ERR_PARAM;
2085 if (fv_idx >= hw->blk[blk].es.fvw)
2086 return ICE_ERR_PARAM;
2088 fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw);
2090 *prot = fv_ext[fv_idx].prot_id;
2091 *off = fv_ext[fv_idx].off;
2096 /* PTG Management */
2099 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
2100 * @hw: pointer to the hardware structure
2102 * @ptype: the ptype to search for
2103 * @ptg: pointer to variable that receives the PTG
2105 * This function will search the PTGs for a particular ptype, returning the
2106 * PTG ID that contains it through the ptg parameter, with the value of
2107 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
2109 static enum ice_status
2110 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
2112 if (ptype >= ICE_XLT1_CNT || !ptg)
2113 return ICE_ERR_PARAM;
2115 *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
2120 * ice_ptg_alloc_val - Allocates a new packet type group ID by value
2121 * @hw: pointer to the hardware structure
2123 * @ptg: the ptg to allocate
2125 * This function allocates a given packet type group ID specified by the ptg
2129 void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
2131 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
2135 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
2136 * @hw: pointer to the hardware structure
2138 * @ptype: the ptype to remove
2139 * @ptg: the ptg to remove the ptype from
2141 * This function will remove the ptype from the specific ptg, and move it to
2142 * the default PTG (ICE_DEFAULT_PTG).
2144 static enum ice_status
2145 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2147 struct ice_ptg_ptype **ch;
2148 struct ice_ptg_ptype *p;
2150 if (ptype > ICE_XLT1_CNT - 1)
2151 return ICE_ERR_PARAM;
2153 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
2154 return ICE_ERR_DOES_NOT_EXIST;
2156 /* Should not happen if .in_use is set, bad config */
2157 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
2160 /* find the ptype within this PTG, and bypass the link over it */
2161 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2162 ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2164 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
2165 *ch = p->next_ptype;
2169 ch = &p->next_ptype;
2173 hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
2174 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
2180 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
2181 * @hw: pointer to the hardware structure
2183 * @ptype: the ptype to add or move
2184 * @ptg: the ptg to add or move the ptype to
2186 * This function will either add or move a ptype to a particular PTG depending
2187 * on if the ptype is already part of another group. Note that using a
2188 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
2191 static enum ice_status
2192 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2194 enum ice_status status;
2197 if (ptype > ICE_XLT1_CNT - 1)
2198 return ICE_ERR_PARAM;
2200 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
2201 return ICE_ERR_DOES_NOT_EXIST;
2203 status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
2207 /* Is ptype already in the correct PTG? */
2208 if (original_ptg == ptg)
2211 /* Remove from original PTG and move back to the default PTG */
2212 if (original_ptg != ICE_DEFAULT_PTG)
2213 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
2215 /* Moving to default PTG? Then we're done with this request */
2216 if (ptg == ICE_DEFAULT_PTG)
2219 /* Add ptype to PTG at beginning of list */
2220 hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
2221 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2222 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
2223 &hw->blk[blk].xlt1.ptypes[ptype];
2225 hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
2226 hw->blk[blk].xlt1.t[ptype] = ptg;
2231 /* Block / table size info */
2232 struct ice_blk_size_details {
2233 u16 xlt1; /* # XLT1 entries */
2234 u16 xlt2; /* # XLT2 entries */
2235 u16 prof_tcam; /* # profile ID TCAM entries */
2236 u16 prof_id; /* # profile IDs */
2237 u8 prof_cdid_bits; /* # cdid one-hot bits used in key */
2238 u16 prof_redir; /* # profile redirection entries */
2239 u16 es; /* # extraction sequence entries */
2240 u16 fvw; /* # field vector words */
2241 u8 overwrite; /* overwrite existing entries allowed */
2242 u8 reverse; /* reverse FV order */
2245 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
2248 * XLT1 - Number of entries in XLT1 table
2249 * XLT2 - Number of entries in XLT2 table
2250 * TCAM - Number of entries Profile ID TCAM table
2251 * CDID - Control Domain ID of the hardware block
2252 * PRED - Number of entries in the Profile Redirection Table
2253 * FV - Number of entries in the Field Vector
2254 * FVW - Width (in WORDs) of the Field Vector
2255 * OVR - Overwrite existing table entries
2258 /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */
2259 /* Overwrite , Reverse FV */
2260 /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48,
2262 /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32,
2264 /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
2266 /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
2268 /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24,
2273 ICE_SID_XLT1_OFF = 0,
2276 ICE_SID_PR_REDIR_OFF,
2281 /* Characteristic handling */
2284 * ice_match_prop_lst - determine if properties of two lists match
2285 * @list1: first properties list
2286 * @list2: second properties list
2288 * Count, cookies and the order must match in order to be considered equivalent.
2291 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
2293 struct ice_vsig_prof *tmp1;
2294 struct ice_vsig_prof *tmp2;
2298 /* compare counts */
2299 LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) {
2302 LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) {
2305 if (!count || count != chk_count)
2308 tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
2309 tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);
2311 /* profile cookies must compare, and in the exact same order to take
2312 * into account priority
2315 if (tmp2->profile_cookie != tmp1->profile_cookie)
2318 tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
2319 tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
2325 /* VSIG Management */
2328 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
2329 * @hw: pointer to the hardware structure
2331 * @vsi: VSI of interest
2332 * @vsig: pointer to receive the VSI group
2334 * This function will lookup the VSI entry in the XLT2 list and return
2335 * the VSI group its associated with.
2338 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
2340 if (!vsig || vsi >= ICE_MAX_VSI)
2341 return ICE_ERR_PARAM;
2343 /* As long as there's a default or valid VSIG associated with the input
2344 * VSI, the functions returns a success. Any handling of VSIG will be
2345 * done by the following add, update or remove functions.
2347 *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2353 * ice_vsig_alloc_val - allocate a new VSIG by value
2354 * @hw: pointer to the hardware structure
2356 * @vsig: the vsig to allocate
2358 * This function will allocate a given VSIG specified by the vsig parameter.
2360 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2362 u16 idx = vsig & ICE_VSIG_IDX_M;
2364 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
2365 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2366 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
2369 return ICE_VSIG_VALUE(idx, hw->pf_id);
2373 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
2374 * @hw: pointer to the hardware structure
2377 * This function will iterate through the VSIG list and mark the first
2378 * unused entry for the new VSIG entry as used and return that value.
2380 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
2384 for (i = 1; i < ICE_MAX_VSIGS; i++)
2385 if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2386 return ice_vsig_alloc_val(hw, blk, i);
2388 return ICE_DEFAULT_VSIG;
2392 * ice_find_dup_props_vsig - find VSI group with a specified set of properties
2393 * @hw: pointer to the hardware structure
2395 * @chs: characteristic list
2396 * @vsig: returns the VSIG with the matching profiles, if found
2398 * Each VSIG is associated with a characteristic set; i.e. all VSIs under
2399 * a group have the same characteristic set. To check if there exists a VSIG
2400 * which has the same characteristics as the input characteristics; this
2401 * function will iterate through the XLT2 list and return the VSIG that has a
2402 * matching configuration. In order to make sure that priorities are accounted
2403 * for, the list must match exactly, including the order in which the
2404 * characteristics are listed.
2406 static enum ice_status
2407 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
2408 struct LIST_HEAD_TYPE *chs, u16 *vsig)
2410 struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
2413 for (i = 0; i < xlt2->count; i++) {
2414 if (xlt2->vsig_tbl[i].in_use &&
2415 ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
2416 *vsig = ICE_VSIG_VALUE(i, hw->pf_id);
2421 return ICE_ERR_DOES_NOT_EXIST;
2425 * ice_vsig_free - free VSI group
2426 * @hw: pointer to the hardware structure
2428 * @vsig: VSIG to remove
2430 * The function will remove all VSIs associated with the input VSIG and move
2431 * them to the DEFAULT_VSIG and mark the VSIG available.
2433 static enum ice_status
2434 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2436 struct ice_vsig_prof *dtmp, *del;
2437 struct ice_vsig_vsi *vsi_cur;
2440 idx = vsig & ICE_VSIG_IDX_M;
2441 if (idx >= ICE_MAX_VSIGS)
2442 return ICE_ERR_PARAM;
2444 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2445 return ICE_ERR_DOES_NOT_EXIST;
2447 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
2449 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2450 /* If the VSIG has at least 1 VSI then iterate through the
2451 * list and remove the VSIs before deleting the group.
2454 /* remove all vsis associated with this VSIG XLT2 entry */
2456 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
2458 vsi_cur->vsig = ICE_DEFAULT_VSIG;
2459 vsi_cur->changed = 1;
2460 vsi_cur->next_vsi = NULL;
2464 /* NULL terminate head of VSI list */
2465 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
2468 /* free characteristic list */
2469 LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
2470 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
2471 ice_vsig_prof, list) {
2472 LIST_DEL(&del->list);
2476 /* if VSIG characteristic list was cleared for reset
2477 * re-initialize the list head
2479 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2485 * ice_vsig_remove_vsi - remove VSI from VSIG
2486 * @hw: pointer to the hardware structure
2488 * @vsi: VSI to remove
2489 * @vsig: VSI group to remove from
2491 * The function will remove the input VSI from its VSI group and move it
2492 * to the DEFAULT_VSIG.
2494 static enum ice_status
2495 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2497 struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
2500 idx = vsig & ICE_VSIG_IDX_M;
2502 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2503 return ICE_ERR_PARAM;
2505 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2506 return ICE_ERR_DOES_NOT_EXIST;
2508 /* entry already in default VSIG, don't have to remove */
2509 if (idx == ICE_DEFAULT_VSIG)
2512 vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2516 vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
2517 vsi_cur = (*vsi_head);
2519 /* iterate the VSI list, skip over the entry to be removed */
2521 if (vsi_tgt == vsi_cur) {
2522 (*vsi_head) = vsi_cur->next_vsi;
2525 vsi_head = &vsi_cur->next_vsi;
2526 vsi_cur = vsi_cur->next_vsi;
2529 /* verify if VSI was removed from group list */
2531 return ICE_ERR_DOES_NOT_EXIST;
2533 vsi_cur->vsig = ICE_DEFAULT_VSIG;
2534 vsi_cur->changed = 1;
2535 vsi_cur->next_vsi = NULL;
2541 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
2542 * @hw: pointer to the hardware structure
2545 * @vsig: destination VSI group
2547 * This function will move or add the input VSI to the target VSIG.
2548 * The function will find the original VSIG the VSI belongs to and
2549 * move the entry to the DEFAULT_VSIG, update the original VSIG and
2550 * then move entry to the new VSIG.
2552 static enum ice_status
2553 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2555 struct ice_vsig_vsi *tmp;
2556 enum ice_status status;
2559 idx = vsig & ICE_VSIG_IDX_M;
2561 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2562 return ICE_ERR_PARAM;
2564 /* if VSIG not in use and VSIG is not default type this VSIG
2567 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
2568 vsig != ICE_DEFAULT_VSIG)
2569 return ICE_ERR_DOES_NOT_EXIST;
2571 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
2575 /* no update required if vsigs match */
2576 if (orig_vsig == vsig)
2579 if (orig_vsig != ICE_DEFAULT_VSIG) {
2580 /* remove entry from orig_vsig and add to default VSIG */
2581 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
2586 if (idx == ICE_DEFAULT_VSIG)
2589 /* Create VSI entry and add VSIG and prop_mask values */
2590 hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
2591 hw->blk[blk].xlt2.vsis[vsi].changed = 1;
2593 /* Add new entry to the head of the VSIG list */
2594 tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2595 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
2596 &hw->blk[blk].xlt2.vsis[vsi];
2597 hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
2598 hw->blk[blk].xlt2.t[vsi] = vsig;
2604 * ice_prof_has_mask_idx - determine if profile index masking is identical
2605 * @hw: pointer to the hardware structure
2607 * @prof: profile to check
2608 * @idx: profile index to check
2609 * @masks: masks to match
2612 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx,
2615 bool expect_no_mask = false;
2620 /* If mask is 0x0000 or 0xffff, then there is no masking */
2621 if (mask == 0 || mask == 0xffff)
2622 expect_no_mask = true;
2624 /* Scan the enabled masks on this profile, for the specified idx */
2625 for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first +
2626 hw->blk[blk].masks.count; i++)
2627 if (hw->blk[blk].es.mask_ena[prof] & BIT(i))
2628 if (hw->blk[blk].masks.masks[i].in_use &&
2629 hw->blk[blk].masks.masks[i].idx == idx) {
2631 if (hw->blk[blk].masks.masks[i].mask == mask)
2636 if (expect_no_mask) {
2648 * ice_prof_has_mask - determine if profile masking is identical
2649 * @hw: pointer to the hardware structure
2651 * @prof: profile to check
2652 * @masks: masks to match
2655 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks)
2659 /* es->mask_ena[prof] will have the mask */
2660 for (i = 0; i < hw->blk[blk].es.fvw; i++)
2661 if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i]))
2668 * ice_find_prof_id_with_mask - find profile ID for a given field vector
2669 * @hw: pointer to the hardware structure
2671 * @fv: field vector to search for
2672 * @masks: masks for fv
2673 * @prof_id: receives the profile ID
2675 static enum ice_status
2676 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk,
2677 struct ice_fv_word *fv, u16 *masks, u8 *prof_id)
2679 struct ice_es *es = &hw->blk[blk].es;
2682 for (i = 0; i < es->count; i++) {
2683 u16 off = i * es->fvw;
2685 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
2688 /* check if masks settings are the same for this profile */
2689 if (!ice_prof_has_mask(hw, blk, i, masks))
2696 return ICE_ERR_DOES_NOT_EXIST;
2700 * ice_find_prof_id - find profile ID for a given field vector
2701 * @hw: pointer to the hardware structure
2703 * @fv: field vector to search for
2704 * @prof_id: receives the profile ID
2706 static enum ice_status
2707 ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
2708 struct ice_fv_word *fv, u8 *prof_id)
2710 struct ice_es *es = &hw->blk[blk].es;
2713 for (i = 0; i < es->count; i++) {
2716 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
2723 return ICE_ERR_DOES_NOT_EXIST;
2727 * ice_prof_id_rsrc_type - get profile ID resource type for a block type
2728 * @blk: the block type
2729 * @rsrc_type: pointer to variable to receive the resource type
2731 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2735 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
2738 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
2741 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
2744 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
2747 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
2756 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
2757 * @blk: the block type
2758 * @rsrc_type: pointer to variable to receive the resource type
2760 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2764 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
2767 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
2770 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
2773 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
2776 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
2785 * ice_alloc_tcam_ent - allocate hardware TCAM entry
2786 * @hw: pointer to the HW struct
2787 * @blk: the block to allocate the TCAM for
2788 * @tcam_idx: pointer to variable to receive the TCAM entry
2790 * This function allocates a new entry in a Profile ID TCAM for a specific
2793 static enum ice_status
2794 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
2798 if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2799 return ICE_ERR_PARAM;
2801 return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx);
2805 * ice_free_tcam_ent - free hardware TCAM entry
2806 * @hw: pointer to the HW struct
2807 * @blk: the block from which to free the TCAM entry
2808 * @tcam_idx: the TCAM entry to free
2810 * This function frees an entry in a Profile ID TCAM for a specific block.
2812 static enum ice_status
2813 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
2817 if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2818 return ICE_ERR_PARAM;
2820 return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
2824 * ice_alloc_prof_id - allocate profile ID
2825 * @hw: pointer to the HW struct
2826 * @blk: the block to allocate the profile ID for
2827 * @prof_id: pointer to variable to receive the profile ID
2829 * This function allocates a new profile ID, which also corresponds to a Field
2830 * Vector (Extraction Sequence) entry.
2832 static enum ice_status
2833 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
2835 enum ice_status status;
2839 if (!ice_prof_id_rsrc_type(blk, &res_type))
2840 return ICE_ERR_PARAM;
2842 status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
2844 *prof_id = (u8)get_prof;
2850 * ice_free_prof_id - free profile ID
2851 * @hw: pointer to the HW struct
2852 * @blk: the block from which to free the profile ID
2853 * @prof_id: the profile ID to free
2855 * This function frees a profile ID, which also corresponds to a Field Vector.
2857 static enum ice_status
2858 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2860 u16 tmp_prof_id = (u16)prof_id;
2863 if (!ice_prof_id_rsrc_type(blk, &res_type))
2864 return ICE_ERR_PARAM;
2866 return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
2870 * ice_prof_inc_ref - increment reference count for profile
2871 * @hw: pointer to the HW struct
2872 * @blk: the block from which to free the profile ID
2873 * @prof_id: the profile ID for which to increment the reference count
2875 static enum ice_status
2876 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2878 if (prof_id > hw->blk[blk].es.count)
2879 return ICE_ERR_PARAM;
2881 hw->blk[blk].es.ref_count[prof_id]++;
2887 * ice_write_prof_mask_reg - write profile mask register
2888 * @hw: pointer to the HW struct
2889 * @blk: hardware block
2890 * @mask_idx: mask index
2891 * @idx: index of the FV which will use the mask
2892 * @mask: the 16-bit mask
2895 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx,
2903 offset = GLQF_HMASK(mask_idx);
2904 val = (idx << GLQF_HMASK_MSK_INDEX_S) &
2905 GLQF_HMASK_MSK_INDEX_M;
2906 val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M;
2909 offset = GLQF_FDMASK(mask_idx);
2910 val = (idx << GLQF_FDMASK_MSK_INDEX_S) &
2911 GLQF_FDMASK_MSK_INDEX_M;
2912 val |= (mask << GLQF_FDMASK_MASK_S) &
2916 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
2921 wr32(hw, offset, val);
2922 ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n",
2923 blk, idx, offset, val);
2927 * ice_write_prof_mask_enable_res - write profile mask enable register
2928 * @hw: pointer to the HW struct
2929 * @blk: hardware block
2930 * @prof_id: profile ID
2931 * @enable_mask: enable mask
2934 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk,
2935 u16 prof_id, u32 enable_mask)
2941 offset = GLQF_HMASK_SEL(prof_id);
2944 offset = GLQF_FDMASK_SEL(prof_id);
2947 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n",
2952 wr32(hw, offset, enable_mask);
2953 ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n",
2954 blk, prof_id, offset, enable_mask);
2958 * ice_init_prof_masks - initial prof masks
2959 * @hw: pointer to the HW struct
2960 * @blk: hardware block
2962 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk)
2967 ice_init_lock(&hw->blk[blk].masks.lock);
2969 per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs;
2971 hw->blk[blk].masks.count = per_pf;
2972 hw->blk[blk].masks.first = hw->pf_id * per_pf;
2974 ice_memset(hw->blk[blk].masks.masks, 0,
2975 sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM);
2977 for (i = hw->blk[blk].masks.first;
2978 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
2979 ice_write_prof_mask_reg(hw, blk, i, 0, 0);
2983 * ice_init_all_prof_masks - initial all prof masks
2984 * @hw: pointer to the HW struct
2986 void ice_init_all_prof_masks(struct ice_hw *hw)
2988 ice_init_prof_masks(hw, ICE_BLK_RSS);
2989 ice_init_prof_masks(hw, ICE_BLK_FD);
2993 * ice_alloc_prof_mask - allocate profile mask
2994 * @hw: pointer to the HW struct
2995 * @blk: hardware block
2996 * @idx: index of FV which will use the mask
2997 * @mask: the 16-bit mask
2998 * @mask_idx: variable to receive the mask index
3000 static enum ice_status
3001 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask,
3004 bool found_unused = false, found_copy = false;
3005 enum ice_status status = ICE_ERR_MAX_LIMIT;
3006 u16 unused_idx = 0, copy_idx = 0;
3009 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3010 return ICE_ERR_PARAM;
3012 ice_acquire_lock(&hw->blk[blk].masks.lock);
3014 for (i = hw->blk[blk].masks.first;
3015 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++)
3016 if (hw->blk[blk].masks.masks[i].in_use) {
3017 /* if mask is in use and it exactly duplicates the
3018 * desired mask and index, then in can be reused
3020 if (hw->blk[blk].masks.masks[i].mask == mask &&
3021 hw->blk[blk].masks.masks[i].idx == idx) {
3027 /* save off unused index, but keep searching in case
3028 * there is an exact match later on
3030 if (!found_unused) {
3031 found_unused = true;
3038 else if (found_unused)
3041 goto err_ice_alloc_prof_mask;
3043 /* update mask for a new entry */
3045 hw->blk[blk].masks.masks[i].in_use = true;
3046 hw->blk[blk].masks.masks[i].mask = mask;
3047 hw->blk[blk].masks.masks[i].idx = idx;
3048 hw->blk[blk].masks.masks[i].ref = 0;
3049 ice_write_prof_mask_reg(hw, blk, i, idx, mask);
3052 hw->blk[blk].masks.masks[i].ref++;
3054 status = ICE_SUCCESS;
3056 err_ice_alloc_prof_mask:
3057 ice_release_lock(&hw->blk[blk].masks.lock);
3063 * ice_free_prof_mask - free profile mask
3064 * @hw: pointer to the HW struct
3065 * @blk: hardware block
3066 * @mask_idx: index of mask
3068 static enum ice_status
3069 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx)
3071 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3072 return ICE_ERR_PARAM;
3074 if (!(mask_idx >= hw->blk[blk].masks.first &&
3075 mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count))
3076 return ICE_ERR_DOES_NOT_EXIST;
3078 ice_acquire_lock(&hw->blk[blk].masks.lock);
3080 if (!hw->blk[blk].masks.masks[mask_idx].in_use)
3081 goto exit_ice_free_prof_mask;
3083 if (hw->blk[blk].masks.masks[mask_idx].ref > 1) {
3084 hw->blk[blk].masks.masks[mask_idx].ref--;
3085 goto exit_ice_free_prof_mask;
3089 hw->blk[blk].masks.masks[mask_idx].in_use = false;
3090 hw->blk[blk].masks.masks[mask_idx].mask = 0;
3091 hw->blk[blk].masks.masks[mask_idx].idx = 0;
3093 /* update mask as unused entry */
3094 ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d", blk, mask_idx);
3095 ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0);
3097 exit_ice_free_prof_mask:
3098 ice_release_lock(&hw->blk[blk].masks.lock);
3104 * ice_free_prof_masks - free all profile masks for a profile
3105 * @hw: pointer to the HW struct
3106 * @blk: hardware block
3107 * @prof_id: profile ID
3109 static enum ice_status
3110 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id)
3115 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3116 return ICE_ERR_PARAM;
3118 mask_bm = hw->blk[blk].es.mask_ena[prof_id];
3119 for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++)
3120 if (mask_bm & BIT(i))
3121 ice_free_prof_mask(hw, blk, i);
3127 * ice_shutdown_prof_masks - releases lock for masking
3128 * @hw: pointer to the HW struct
3129 * @blk: hardware block
3131 * This should be called before unloading the driver
3133 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk)
3137 ice_acquire_lock(&hw->blk[blk].masks.lock);
3139 for (i = hw->blk[blk].masks.first;
3140 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) {
3141 ice_write_prof_mask_reg(hw, blk, i, 0, 0);
3143 hw->blk[blk].masks.masks[i].in_use = false;
3144 hw->blk[blk].masks.masks[i].idx = 0;
3145 hw->blk[blk].masks.masks[i].mask = 0;
3148 ice_release_lock(&hw->blk[blk].masks.lock);
3149 ice_destroy_lock(&hw->blk[blk].masks.lock);
3153 * ice_shutdown_all_prof_masks - releases all locks for masking
3154 * @hw: pointer to the HW struct
3155 * @blk: hardware block
3157 * This should be called before unloading the driver
3159 void ice_shutdown_all_prof_masks(struct ice_hw *hw)
3161 ice_shutdown_prof_masks(hw, ICE_BLK_RSS);
3162 ice_shutdown_prof_masks(hw, ICE_BLK_FD);
3166 * ice_update_prof_masking - set registers according to masking
3167 * @hw: pointer to the HW struct
3168 * @blk: hardware block
3169 * @prof_id: profile ID
3173 static enum ice_status
3174 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id,
3175 struct ice_fv_word *es, u16 *masks)
3182 /* Only support FD and RSS masking, otherwise nothing to be done */
3183 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
3186 for (i = 0; i < hw->blk[blk].es.fvw; i++)
3187 if (masks[i] && masks[i] != 0xFFFF) {
3188 if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) {
3189 ena_mask |= BIT(idx);
3191 /* not enough bitmaps */
3198 /* free any bitmaps we have allocated */
3199 for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++)
3200 if (ena_mask & BIT(i))
3201 ice_free_prof_mask(hw, blk, i);
3203 return ICE_ERR_OUT_OF_RANGE;
3206 /* enable the masks for this profile */
3207 ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask);
3209 /* store enabled masks with profile so that they can be freed later */
3210 hw->blk[blk].es.mask_ena[prof_id] = ena_mask;
3216 * ice_write_es - write an extraction sequence to hardware
3217 * @hw: pointer to the HW struct
3218 * @blk: the block in which to write the extraction sequence
3219 * @prof_id: the profile ID to write
3220 * @fv: pointer to the extraction sequence to write - NULL to clear extraction
3223 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
3224 struct ice_fv_word *fv)
3228 off = prof_id * hw->blk[blk].es.fvw;
3230 ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
3231 sizeof(*fv), ICE_NONDMA_MEM);
3232 hw->blk[blk].es.written[prof_id] = false;
3234 ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
3235 sizeof(*fv), ICE_NONDMA_TO_NONDMA);
3240 * ice_prof_dec_ref - decrement reference count for profile
3241 * @hw: pointer to the HW struct
3242 * @blk: the block from which to free the profile ID
3243 * @prof_id: the profile ID for which to decrement the reference count
3245 static enum ice_status
3246 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
3248 if (prof_id > hw->blk[blk].es.count)
3249 return ICE_ERR_PARAM;
3251 if (hw->blk[blk].es.ref_count[prof_id] > 0) {
3252 if (!--hw->blk[blk].es.ref_count[prof_id]) {
3253 ice_write_es(hw, blk, prof_id, NULL);
3254 ice_free_prof_masks(hw, blk, prof_id);
3255 return ice_free_prof_id(hw, blk, prof_id);
3262 /* Block / table section IDs */
3263 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
3267 ICE_SID_PROFID_TCAM_SW,
3268 ICE_SID_PROFID_REDIR_SW,
3275 ICE_SID_PROFID_TCAM_ACL,
3276 ICE_SID_PROFID_REDIR_ACL,
3283 ICE_SID_PROFID_TCAM_FD,
3284 ICE_SID_PROFID_REDIR_FD,
3291 ICE_SID_PROFID_TCAM_RSS,
3292 ICE_SID_PROFID_REDIR_RSS,
3299 ICE_SID_PROFID_TCAM_PE,
3300 ICE_SID_PROFID_REDIR_PE,
3306 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
3307 * @hw: pointer to the hardware structure
3308 * @blk: the HW block to initialize
3311 void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
3315 for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
3318 ptg = hw->blk[blk].xlt1.t[pt];
3319 if (ptg != ICE_DEFAULT_PTG) {
3320 ice_ptg_alloc_val(hw, blk, ptg);
3321 ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
3327 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
3328 * @hw: pointer to the hardware structure
3329 * @blk: the HW block to initialize
3331 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
3335 for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
3338 vsig = hw->blk[blk].xlt2.t[vsi];
3340 ice_vsig_alloc_val(hw, blk, vsig);
3341 ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
3342 /* no changes at this time, since this has been
3343 * initialized from the original package
3345 hw->blk[blk].xlt2.vsis[vsi].changed = 0;
3351 * ice_init_sw_db - init software database from HW tables
3352 * @hw: pointer to the hardware structure
3354 static void ice_init_sw_db(struct ice_hw *hw)
3358 for (i = 0; i < ICE_BLK_COUNT; i++) {
3359 ice_init_sw_xlt1_db(hw, (enum ice_block)i);
3360 ice_init_sw_xlt2_db(hw, (enum ice_block)i);
3365 * ice_fill_tbl - Reads content of a single table type into database
3366 * @hw: pointer to the hardware structure
3367 * @block_id: Block ID of the table to copy
3368 * @sid: Section ID of the table to copy
3370 * Will attempt to read the entire content of a given table of a single block
3371 * into the driver database. We assume that the buffer will always
3372 * be as large or larger than the data contained in the package. If
3373 * this condition is not met, there is most likely an error in the package
3376 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
3378 u32 dst_len, sect_len, offset = 0;
3379 struct ice_prof_redir_section *pr;
3380 struct ice_prof_id_section *pid;
3381 struct ice_xlt1_section *xlt1;
3382 struct ice_xlt2_section *xlt2;
3383 struct ice_sw_fv_section *es;
3384 struct ice_pkg_enum state;
3388 /* if the HW segment pointer is null then the first iteration of
3389 * ice_pkg_enum_section() will fail. In this case the HW tables will
3390 * not be filled and return success.
3393 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
3397 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
3399 sect = ice_pkg_enum_section(hw->seg, &state, sid);
3403 case ICE_SID_XLT1_SW:
3404 case ICE_SID_XLT1_FD:
3405 case ICE_SID_XLT1_RSS:
3406 case ICE_SID_XLT1_ACL:
3407 case ICE_SID_XLT1_PE:
3408 xlt1 = (struct ice_xlt1_section *)sect;
3410 sect_len = LE16_TO_CPU(xlt1->count) *
3411 sizeof(*hw->blk[block_id].xlt1.t);
3412 dst = hw->blk[block_id].xlt1.t;
3413 dst_len = hw->blk[block_id].xlt1.count *
3414 sizeof(*hw->blk[block_id].xlt1.t);
3416 case ICE_SID_XLT2_SW:
3417 case ICE_SID_XLT2_FD:
3418 case ICE_SID_XLT2_RSS:
3419 case ICE_SID_XLT2_ACL:
3420 case ICE_SID_XLT2_PE:
3421 xlt2 = (struct ice_xlt2_section *)sect;
3422 src = (_FORCE_ u8 *)xlt2->value;
3423 sect_len = LE16_TO_CPU(xlt2->count) *
3424 sizeof(*hw->blk[block_id].xlt2.t);
3425 dst = (u8 *)hw->blk[block_id].xlt2.t;
3426 dst_len = hw->blk[block_id].xlt2.count *
3427 sizeof(*hw->blk[block_id].xlt2.t);
3429 case ICE_SID_PROFID_TCAM_SW:
3430 case ICE_SID_PROFID_TCAM_FD:
3431 case ICE_SID_PROFID_TCAM_RSS:
3432 case ICE_SID_PROFID_TCAM_ACL:
3433 case ICE_SID_PROFID_TCAM_PE:
3434 pid = (struct ice_prof_id_section *)sect;
3435 src = (u8 *)pid->entry;
3436 sect_len = LE16_TO_CPU(pid->count) *
3437 sizeof(*hw->blk[block_id].prof.t);
3438 dst = (u8 *)hw->blk[block_id].prof.t;
3439 dst_len = hw->blk[block_id].prof.count *
3440 sizeof(*hw->blk[block_id].prof.t);
3442 case ICE_SID_PROFID_REDIR_SW:
3443 case ICE_SID_PROFID_REDIR_FD:
3444 case ICE_SID_PROFID_REDIR_RSS:
3445 case ICE_SID_PROFID_REDIR_ACL:
3446 case ICE_SID_PROFID_REDIR_PE:
3447 pr = (struct ice_prof_redir_section *)sect;
3448 src = pr->redir_value;
3449 sect_len = LE16_TO_CPU(pr->count) *
3450 sizeof(*hw->blk[block_id].prof_redir.t);
3451 dst = hw->blk[block_id].prof_redir.t;
3452 dst_len = hw->blk[block_id].prof_redir.count *
3453 sizeof(*hw->blk[block_id].prof_redir.t);
3455 case ICE_SID_FLD_VEC_SW:
3456 case ICE_SID_FLD_VEC_FD:
3457 case ICE_SID_FLD_VEC_RSS:
3458 case ICE_SID_FLD_VEC_ACL:
3459 case ICE_SID_FLD_VEC_PE:
3460 es = (struct ice_sw_fv_section *)sect;
3462 sect_len = (u32)(LE16_TO_CPU(es->count) *
3463 hw->blk[block_id].es.fvw) *
3464 sizeof(*hw->blk[block_id].es.t);
3465 dst = (u8 *)hw->blk[block_id].es.t;
3466 dst_len = (u32)(hw->blk[block_id].es.count *
3467 hw->blk[block_id].es.fvw) *
3468 sizeof(*hw->blk[block_id].es.t);
3474 /* if the section offset exceeds destination length, terminate
3477 if (offset > dst_len)
3480 /* if the sum of section size and offset exceed destination size
3481 * then we are out of bounds of the HW table size for that PF.
3482 * Changing section length to fill the remaining table space
3485 if ((offset + sect_len) > dst_len)
3486 sect_len = dst_len - offset;
3488 ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
3490 sect = ice_pkg_enum_section(NULL, &state, sid);
3495 * ice_fill_blk_tbls - Read package context for tables
3496 * @hw: pointer to the hardware structure
3498 * Reads the current package contents and populates the driver
3499 * database with the data iteratively for all advanced feature
3500 * blocks. Assume that the HW tables have been allocated.
3502 void ice_fill_blk_tbls(struct ice_hw *hw)
3506 for (i = 0; i < ICE_BLK_COUNT; i++) {
3507 enum ice_block blk_id = (enum ice_block)i;
3509 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
3510 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
3511 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
3512 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
3513 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
3520 * ice_free_prof_map - free profile map
3521 * @hw: pointer to the hardware structure
3522 * @blk_idx: HW block index
3524 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx)
3526 struct ice_es *es = &hw->blk[blk_idx].es;
3527 struct ice_prof_map *del, *tmp;
3529 ice_acquire_lock(&es->prof_map_lock);
3530 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map,
3531 ice_prof_map, list) {
3532 LIST_DEL(&del->list);
3535 INIT_LIST_HEAD(&es->prof_map);
3536 ice_release_lock(&es->prof_map_lock);
3540 * ice_free_flow_profs - free flow profile entries
3541 * @hw: pointer to the hardware structure
3542 * @blk_idx: HW block index
3544 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
3546 struct ice_flow_prof *p, *tmp;
3548 ice_acquire_lock(&hw->fl_profs_locks[blk_idx]);
3549 LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx],
3550 ice_flow_prof, l_entry) {
3551 struct ice_flow_entry *e, *t;
3553 LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
3554 ice_flow_entry, l_entry)
3555 ice_flow_rem_entry(hw, ICE_FLOW_ENTRY_HNDL(e));
3557 LIST_DEL(&p->l_entry);
3559 ice_free(hw, p->acts);
3562 ice_release_lock(&hw->fl_profs_locks[blk_idx]);
3564 /* if driver is in reset and tables are being cleared
3565 * re-initialize the flow profile list heads
3567 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3571 * ice_free_vsig_tbl - free complete VSIG table entries
3572 * @hw: pointer to the hardware structure
3573 * @blk: the HW block on which to free the VSIG table entries
3575 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
3579 if (!hw->blk[blk].xlt2.vsig_tbl)
3582 for (i = 1; i < ICE_MAX_VSIGS; i++)
3583 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
3584 ice_vsig_free(hw, blk, i);
3588 * ice_free_hw_tbls - free hardware table memory
3589 * @hw: pointer to the hardware structure
3591 void ice_free_hw_tbls(struct ice_hw *hw)
3593 struct ice_rss_cfg *r, *rt;
3596 for (i = 0; i < ICE_BLK_COUNT; i++) {
3597 if (hw->blk[i].is_list_init) {
3598 struct ice_es *es = &hw->blk[i].es;
3600 ice_free_prof_map(hw, i);
3601 ice_destroy_lock(&es->prof_map_lock);
3602 ice_free_flow_profs(hw, i);
3603 ice_destroy_lock(&hw->fl_profs_locks[i]);
3605 hw->blk[i].is_list_init = false;
3607 ice_free_vsig_tbl(hw, (enum ice_block)i);
3608 ice_free(hw, hw->blk[i].xlt1.ptypes);
3609 ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
3610 ice_free(hw, hw->blk[i].xlt1.t);
3611 ice_free(hw, hw->blk[i].xlt2.t);
3612 ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
3613 ice_free(hw, hw->blk[i].xlt2.vsis);
3614 ice_free(hw, hw->blk[i].prof.t);
3615 ice_free(hw, hw->blk[i].prof_redir.t);
3616 ice_free(hw, hw->blk[i].es.t);
3617 ice_free(hw, hw->blk[i].es.ref_count);
3618 ice_free(hw, hw->blk[i].es.written);
3619 ice_free(hw, hw->blk[i].es.mask_ena);
3622 LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head,
3623 ice_rss_cfg, l_entry) {
3624 LIST_DEL(&r->l_entry);
3627 ice_destroy_lock(&hw->rss_locks);
3628 ice_shutdown_all_prof_masks(hw);
3629 ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);
3633 * ice_init_flow_profs - init flow profile locks and list heads
3634 * @hw: pointer to the hardware structure
3635 * @blk_idx: HW block index
3637 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx)
3639 ice_init_lock(&hw->fl_profs_locks[blk_idx]);
3640 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3644 * ice_init_hw_tbls - init hardware table memory
3645 * @hw: pointer to the hardware structure
3647 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
3651 ice_init_lock(&hw->rss_locks);
3652 INIT_LIST_HEAD(&hw->rss_list_head);
3653 ice_init_all_prof_masks(hw);
3654 for (i = 0; i < ICE_BLK_COUNT; i++) {
3655 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
3656 struct ice_prof_tcam *prof = &hw->blk[i].prof;
3657 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
3658 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
3659 struct ice_es *es = &hw->blk[i].es;
3662 if (hw->blk[i].is_list_init)
3665 ice_init_flow_profs(hw, i);
3666 ice_init_lock(&es->prof_map_lock);
3667 INIT_LIST_HEAD(&es->prof_map);
3668 hw->blk[i].is_list_init = true;
3670 hw->blk[i].overwrite = blk_sizes[i].overwrite;
3671 es->reverse = blk_sizes[i].reverse;
3673 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
3674 xlt1->count = blk_sizes[i].xlt1;
3676 xlt1->ptypes = (struct ice_ptg_ptype *)
3677 ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));
3682 xlt1->ptg_tbl = (struct ice_ptg_entry *)
3683 ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));
3688 xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
3692 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
3693 xlt2->count = blk_sizes[i].xlt2;
3695 xlt2->vsis = (struct ice_vsig_vsi *)
3696 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));
3701 xlt2->vsig_tbl = (struct ice_vsig_entry *)
3702 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
3703 if (!xlt2->vsig_tbl)
3706 for (j = 0; j < xlt2->count; j++)
3707 INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
3709 xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
3713 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
3714 prof->count = blk_sizes[i].prof_tcam;
3715 prof->max_prof_id = blk_sizes[i].prof_id;
3716 prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
3717 prof->t = (struct ice_prof_tcam_entry *)
3718 ice_calloc(hw, prof->count, sizeof(*prof->t));
3723 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
3724 prof_redir->count = blk_sizes[i].prof_redir;
3725 prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
3726 sizeof(*prof_redir->t));
3731 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
3732 es->count = blk_sizes[i].es;
3733 es->fvw = blk_sizes[i].fvw;
3734 es->t = (struct ice_fv_word *)
3735 ice_calloc(hw, (u32)(es->count * es->fvw),
3740 es->ref_count = (u16 *)
3741 ice_calloc(hw, es->count, sizeof(*es->ref_count));
3743 es->written = (u8 *)
3744 ice_calloc(hw, es->count, sizeof(*es->written));
3745 es->mask_ena = (u32 *)
3746 ice_calloc(hw, es->count, sizeof(*es->mask_ena));
3753 ice_free_hw_tbls(hw);
3754 return ICE_ERR_NO_MEMORY;
3758 * ice_prof_gen_key - generate profile ID key
3759 * @hw: pointer to the HW struct
3760 * @blk: the block in which to write profile ID to
3761 * @ptg: packet type group (PTG) portion of key
3762 * @vsig: VSIG portion of key
3763 * @cdid: cdid portion of key
3764 * @flags: flag portion of key
3765 * @vl_msk: valid mask
3766 * @dc_msk: don't care mask
3767 * @nm_msk: never match mask
3768 * @key: output of profile ID key
3770 static enum ice_status
3771 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
3772 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3773 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
3774 u8 key[ICE_TCAM_KEY_SZ])
3776 struct ice_prof_id_key inkey;
3779 inkey.xlt2_cdid = CPU_TO_LE16(vsig);
3780 inkey.flags = CPU_TO_LE16(flags);
3782 switch (hw->blk[blk].prof.cdid_bits) {
3786 #define ICE_CD_2_M 0xC000U
3787 #define ICE_CD_2_S 14
3788 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
3789 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
3792 #define ICE_CD_4_M 0xF000U
3793 #define ICE_CD_4_S 12
3794 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
3795 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
3798 #define ICE_CD_8_M 0xFF00U
3799 #define ICE_CD_8_S 16
3800 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
3801 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
3804 ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
3808 return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
3809 nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
3813 * ice_tcam_write_entry - write TCAM entry
3814 * @hw: pointer to the HW struct
3815 * @blk: the block in which to write profile ID to
3816 * @idx: the entry index to write to
3817 * @prof_id: profile ID
3818 * @ptg: packet type group (PTG) portion of key
3819 * @vsig: VSIG portion of key
3820 * @cdid: cdid portion of key
3821 * @flags: flag portion of key
3822 * @vl_msk: valid mask
3823 * @dc_msk: don't care mask
3824 * @nm_msk: never match mask
3826 static enum ice_status
3827 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
3828 u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
3829 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3830 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
3831 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
3833 struct ice_prof_tcam_entry;
3834 enum ice_status status;
3836 status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
3837 dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
3839 hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
3840 hw->blk[blk].prof.t[idx].prof_id = prof_id;
3847 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
3848 * @hw: pointer to the hardware structure
3850 * @vsig: VSIG to query
3851 * @refs: pointer to variable to receive the reference count
3853 static enum ice_status
3854 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
3856 u16 idx = vsig & ICE_VSIG_IDX_M;
3857 struct ice_vsig_vsi *ptr;
3860 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
3861 return ICE_ERR_DOES_NOT_EXIST;
3863 ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
3866 ptr = ptr->next_vsi;
3873 * ice_has_prof_vsig - check to see if VSIG has a specific profile
3874 * @hw: pointer to the hardware structure
3876 * @vsig: VSIG to check against
3877 * @hdl: profile handle
3880 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
3882 u16 idx = vsig & ICE_VSIG_IDX_M;
3883 struct ice_vsig_prof *ent;
3885 LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
3886 ice_vsig_prof, list) {
3887 if (ent->profile_cookie == hdl)
3891 ice_debug(hw, ICE_DBG_INIT,
3892 "Characteristic list for VSI group %d not found.\n",
3898 * ice_prof_bld_es - build profile ID extraction sequence changes
3899 * @hw: pointer to the HW struct
3900 * @blk: hardware block
3901 * @bld: the update package buffer build to add to
3902 * @chgs: the list of changes to make in hardware
3904 static enum ice_status
3905 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
3906 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3908 u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
3909 struct ice_chs_chg *tmp;
3911 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3912 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
3913 u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
3914 struct ice_pkg_es *p;
3917 id = ice_sect_id(blk, ICE_VEC_TBL);
3918 p = (struct ice_pkg_es *)
3919 ice_pkg_buf_alloc_section(bld, id, sizeof(*p) +
3924 return ICE_ERR_MAX_LIMIT;
3926 p->count = CPU_TO_LE16(1);
3927 p->offset = CPU_TO_LE16(tmp->prof_id);
3929 ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
3930 ICE_NONDMA_TO_NONDMA);
3938 * ice_prof_bld_tcam - build profile ID TCAM changes
3939 * @hw: pointer to the HW struct
3940 * @blk: hardware block
3941 * @bld: the update package buffer build to add to
3942 * @chgs: the list of changes to make in hardware
3944 static enum ice_status
3945 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
3946 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3948 struct ice_chs_chg *tmp;
3950 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3951 if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
3952 struct ice_prof_id_section *p;
3955 id = ice_sect_id(blk, ICE_PROF_TCAM);
3956 p = (struct ice_prof_id_section *)
3957 ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3960 return ICE_ERR_MAX_LIMIT;
3962 p->count = CPU_TO_LE16(1);
3963 p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
3964 p->entry[0].prof_id = tmp->prof_id;
3966 ice_memcpy(p->entry[0].key,
3967 &hw->blk[blk].prof.t[tmp->tcam_idx].key,
3968 sizeof(hw->blk[blk].prof.t->key),
3969 ICE_NONDMA_TO_NONDMA);
3977 * ice_prof_bld_xlt1 - build XLT1 changes
3978 * @blk: hardware block
3979 * @bld: the update package buffer build to add to
3980 * @chgs: the list of changes to make in hardware
3982 static enum ice_status
3983 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
3984 struct LIST_HEAD_TYPE *chgs)
3986 struct ice_chs_chg *tmp;
3988 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3989 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
3990 struct ice_xlt1_section *p;
3993 id = ice_sect_id(blk, ICE_XLT1);
3994 p = (struct ice_xlt1_section *)
3995 ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3998 return ICE_ERR_MAX_LIMIT;
4000 p->count = CPU_TO_LE16(1);
4001 p->offset = CPU_TO_LE16(tmp->ptype);
4002 p->value[0] = tmp->ptg;
4010 * ice_prof_bld_xlt2 - build XLT2 changes
4011 * @blk: hardware block
4012 * @bld: the update package buffer build to add to
4013 * @chgs: the list of changes to make in hardware
4015 static enum ice_status
4016 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
4017 struct LIST_HEAD_TYPE *chgs)
4019 struct ice_chs_chg *tmp;
4021 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4024 if (tmp->type == ICE_VSIG_ADD)
4026 else if (tmp->type == ICE_VSI_MOVE)
4028 else if (tmp->type == ICE_VSIG_REM)
4032 struct ice_xlt2_section *p;
4035 id = ice_sect_id(blk, ICE_XLT2);
4036 p = (struct ice_xlt2_section *)
4037 ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
4040 return ICE_ERR_MAX_LIMIT;
4042 p->count = CPU_TO_LE16(1);
4043 p->offset = CPU_TO_LE16(tmp->vsi);
4044 p->value[0] = CPU_TO_LE16(tmp->vsig);
4052 * ice_upd_prof_hw - update hardware using the change list
4053 * @hw: pointer to the HW struct
4054 * @blk: hardware block
4055 * @chgs: the list of changes to make in hardware
4057 static enum ice_status
4058 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
4059 struct LIST_HEAD_TYPE *chgs)
4061 struct ice_buf_build *b;
4062 struct ice_chs_chg *tmp;
4063 enum ice_status status;
4071 /* count number of sections we need */
4072 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
4073 switch (tmp->type) {
4074 case ICE_PTG_ES_ADD:
4092 sects = xlt1 + xlt2 + tcam + es;
4097 /* Build update package buffer */
4098 b = ice_pkg_buf_alloc(hw);
4100 return ICE_ERR_NO_MEMORY;
4102 status = ice_pkg_buf_reserve_section(b, sects);
4106 /* Preserve order of table update: ES, TCAM, PTG, VSIG */
4108 status = ice_prof_bld_es(hw, blk, b, chgs);
4114 status = ice_prof_bld_tcam(hw, blk, b, chgs);
4120 status = ice_prof_bld_xlt1(blk, b, chgs);
4126 status = ice_prof_bld_xlt2(blk, b, chgs);
4131 /* After package buffer build check if the section count in buffer is
4132 * non-zero and matches the number of sections detected for package
4135 pkg_sects = ice_pkg_buf_get_active_sections(b);
4136 if (!pkg_sects || pkg_sects != sects) {
4137 status = ICE_ERR_INVAL_SIZE;
4141 /* update package */
4142 status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
4143 if (status == ICE_ERR_AQ_ERROR)
4144 ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile.");
4147 ice_pkg_buf_free(hw, b);
4152 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
4153 * @hw: pointer to the HW struct
4154 * @prof_id: profile ID
4155 * @mask_sel: mask select
4157 * This function enable any of the masks selected by the mask select parameter
4158 * for the profile specified.
4160 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
4162 wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
4164 ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
4165 GLQF_FDMASK_SEL(prof_id), mask_sel);
4168 #define ICE_SRC_DST_MAX_COUNT 8
4170 struct ice_fd_src_dst_pair {
4176 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
4177 /* These are defined in pairs */
4178 { ICE_PROT_IPV4_OF_OR_S, 2, 12 },
4179 { ICE_PROT_IPV4_OF_OR_S, 2, 16 },
4181 { ICE_PROT_IPV4_IL, 2, 12 },
4182 { ICE_PROT_IPV4_IL, 2, 16 },
4184 { ICE_PROT_IPV6_OF_OR_S, 8, 8 },
4185 { ICE_PROT_IPV6_OF_OR_S, 8, 24 },
4187 { ICE_PROT_IPV6_IL, 8, 8 },
4188 { ICE_PROT_IPV6_IL, 8, 24 },
4190 { ICE_PROT_TCP_IL, 1, 0 },
4191 { ICE_PROT_TCP_IL, 1, 2 },
4193 { ICE_PROT_UDP_OF, 1, 0 },
4194 { ICE_PROT_UDP_OF, 1, 2 },
4196 { ICE_PROT_UDP_IL_OR_S, 1, 0 },
4197 { ICE_PROT_UDP_IL_OR_S, 1, 2 },
4199 { ICE_PROT_SCTP_IL, 1, 0 },
4200 { ICE_PROT_SCTP_IL, 1, 2 }
4203 #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs)
4206 * ice_update_fd_swap - set register appropriately for a FD FV extraction
4207 * @hw: pointer to the HW struct
4208 * @prof_id: profile ID
4209 * @es: extraction sequence (length of array is determined by the block)
4211 static enum ice_status
4212 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
4214 ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4215 u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
4216 #define ICE_FD_FV_NOT_FOUND (-2)
4217 s8 first_free = ICE_FD_FV_NOT_FOUND;
4218 u8 used[ICE_MAX_FV_WORDS] = { 0 };
4223 ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
4225 /* This code assumes that the Flow Director field vectors are assigned
4226 * from the end of the FV indexes working towards the zero index, that
4227 * only complete fields will be included and will be consecutive, and
4228 * that there are no gaps between valid indexes.
4231 /* Determine swap fields present */
4232 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
4233 /* Find the first free entry, assuming right to left population.
4234 * This is where we can start adding additional pairs if needed.
4236 if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
4240 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
4241 if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
4242 es[i].off == ice_fd_pairs[j].off) {
4243 ice_set_bit(j, pair_list);
4249 orig_free = first_free;
4251 /* determine missing swap fields that need to be added */
4252 for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
4253 u8 bit1 = ice_is_bit_set(pair_list, i + 1);
4254 u8 bit0 = ice_is_bit_set(pair_list, i);
4259 /* add the appropriate 'paired' entry */
4265 /* check for room */
4266 if (first_free + 1 < (s8)ice_fd_pairs[index].count)
4267 return ICE_ERR_MAX_LIMIT;
4269 /* place in extraction sequence */
4270 for (k = 0; k < ice_fd_pairs[index].count; k++) {
4271 es[first_free - k].prot_id =
4272 ice_fd_pairs[index].prot_id;
4273 es[first_free - k].off =
4274 ice_fd_pairs[index].off + (k * 2);
4277 return ICE_ERR_OUT_OF_RANGE;
4279 /* keep track of non-relevant fields */
4280 mask_sel |= BIT(first_free - k);
4283 pair_start[index] = first_free;
4284 first_free -= ice_fd_pairs[index].count;
4288 /* fill in the swap array */
4289 si = hw->blk[ICE_BLK_FD].es.fvw - 1;
4291 u8 indexes_used = 1;
4293 /* assume flat at this index */
4294 #define ICE_SWAP_VALID 0x80
4295 used[si] = si | ICE_SWAP_VALID;
4297 if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
4302 /* check for a swap location */
4303 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
4304 if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
4305 es[si].off == ice_fd_pairs[j].off) {
4308 /* determine the appropriate matching field */
4309 idx = j + ((j % 2) ? -1 : 1);
4311 indexes_used = ice_fd_pairs[idx].count;
4312 for (k = 0; k < indexes_used; k++) {
4313 used[si - k] = (pair_start[idx] - k) |
4324 /* for each set of 4 swap and 4 inset indexes, write the appropriate
4327 for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
4331 for (k = 0; k < 4; k++) {
4335 if (used[idx] && !(mask_sel & BIT(idx))) {
4336 raw_swap |= used[idx] << (k * BITS_PER_BYTE);
4337 #define ICE_INSET_DFLT 0x9f
4338 raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE);
4342 /* write the appropriate swap register set */
4343 wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap);
4345 ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n",
4346 prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap);
4348 /* write the appropriate inset register set */
4349 wr32(hw, GLQF_FDINSET(prof_id, j), raw_in);
4351 ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n",
4352 prof_id, j, GLQF_FDINSET(prof_id, j), raw_in);
4355 /* initially clear the mask select for this profile */
4356 ice_update_fd_mask(hw, prof_id, 0);
4362 * ice_add_prof_with_mask - add profile
4363 * @hw: pointer to the HW struct
4364 * @blk: hardware block
4365 * @id: profile tracking ID
4366 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
4367 * @es: extraction sequence (length of array is determined by the block)
4368 * @masks: extraction sequence (length of array is determined by the block)
4370 * This function registers a profile, which matches a set of PTYPES with a
4371 * particular extraction sequence. While the hardware profile is allocated
4372 * it will not be written until the first call to ice_add_flow that specifies
4373 * the ID value used here.
4376 ice_add_prof_with_mask(struct ice_hw *hw, enum ice_block blk, u64 id,
4377 u8 ptypes[], struct ice_fv_word *es, u16 *masks)
4379 u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
4380 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4381 struct ice_prof_map *prof;
4382 enum ice_status status;
4386 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
4388 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4390 /* search for existing profile */
4391 status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id);
4393 /* allocate profile ID */
4394 status = ice_alloc_prof_id(hw, blk, &prof_id);
4396 goto err_ice_add_prof;
4397 if (blk == ICE_BLK_FD) {
4398 /* For Flow Director block, the extraction sequence may
4399 * need to be altered in the case where there are paired
4400 * fields that have no match. This is necessary because
4401 * for Flow Director, src and dest fields need to paired
4402 * for filter programming and these values are swapped
4405 status = ice_update_fd_swap(hw, prof_id, es);
4407 goto err_ice_add_prof;
4409 status = ice_update_prof_masking(hw, blk, prof_id, es, masks);
4411 goto err_ice_add_prof;
4413 /* and write new es */
4414 ice_write_es(hw, blk, prof_id, es);
4417 ice_prof_inc_ref(hw, blk, prof_id);
4419 /* add profile info */
4421 prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
4423 goto err_ice_add_prof;
4425 prof->profile_cookie = id;
4426 prof->prof_id = prof_id;
4430 /* build list of ptgs */
4431 while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
4434 if (!ptypes[byte]) {
4439 /* Examine 8 bits per byte */
4440 for (bit = 0; bit < 8; bit++) {
4441 if (ptypes[byte] & BIT(bit)) {
4446 ptype = byte * BITS_PER_BYTE + bit;
4448 /* The package should place all ptypes in a
4449 * non-zero PTG, so the following call should
4452 if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
4455 /* If PTG is already added, skip and continue */
4456 if (ice_is_bit_set(ptgs_used, ptg))
4459 ice_set_bit(ptg, ptgs_used);
4460 prof->ptg[prof->ptg_cnt] = ptg;
4462 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4465 /* nothing left in byte, then exit */
4466 m = ~((1 << (bit + 1)) - 1);
4467 if (!(ptypes[byte] & m))
4476 LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
4477 status = ICE_SUCCESS;
4480 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4485 * ice_add_prof - add profile
4486 * @hw: pointer to the HW struct
4487 * @blk: hardware block
4488 * @id: profile tracking ID
4489 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
4490 * @es: extraction sequence (length of array is determined by the block)
4492 * This function registers a profile, which matches a set of PTGs with a
4493 * particular extraction sequence. While the hardware profile is allocated
4494 * it will not be written until the first call to ice_add_flow that specifies
4495 * the ID value used here.
4498 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
4499 struct ice_fv_word *es)
4501 u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
4502 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4503 struct ice_prof_map *prof;
4504 enum ice_status status;
4508 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
4510 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4512 /* search for existing profile */
4513 status = ice_find_prof_id(hw, blk, es, &prof_id);
4515 /* allocate profile ID */
4516 status = ice_alloc_prof_id(hw, blk, &prof_id);
4518 goto err_ice_add_prof;
4519 if (blk == ICE_BLK_FD) {
4520 /* For Flow Director block, the extraction sequence may
4521 * need to be altered in the case where there are paired
4522 * fields that have no match. This is necessary because
4523 * for Flow Director, src and dest fields need to paired
4524 * for filter programming and these values are swapped
4527 status = ice_update_fd_swap(hw, prof_id, es);
4529 goto err_ice_add_prof;
4532 /* and write new es */
4533 ice_write_es(hw, blk, prof_id, es);
4536 ice_prof_inc_ref(hw, blk, prof_id);
4538 /* add profile info */
4540 prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
4542 goto err_ice_add_prof;
4544 prof->profile_cookie = id;
4545 prof->prof_id = prof_id;
4549 /* build list of ptgs */
4550 while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
4553 if (!ptypes[byte]) {
4558 /* Examine 8 bits per byte */
4559 for (bit = 0; bit < 8; bit++) {
4560 if (ptypes[byte] & BIT(bit)) {
4565 ptype = byte * BITS_PER_BYTE + bit;
4567 /* The package should place all ptypes in a
4568 * non-zero PTG, so the following call should
4571 if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
4574 /* If PTG is already added, skip and continue */
4575 if (ice_is_bit_set(ptgs_used, ptg))
4578 ice_set_bit(ptg, ptgs_used);
4579 prof->ptg[prof->ptg_cnt] = ptg;
4581 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
4584 /* nothing left in byte, then exit */
4585 m = ~((1 << (bit + 1)) - 1);
4586 if (!(ptypes[byte] & m))
4595 LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
4596 status = ICE_SUCCESS;
4599 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4604 * ice_search_prof_id_low - Search for a profile tracking ID low level
4605 * @hw: pointer to the HW struct
4606 * @blk: hardware block
4607 * @id: profile tracking ID
4609 * This will search for a profile tracking ID which was previously added. This
4610 * version assumes that the caller has already acquired the prof map lock.
4612 static struct ice_prof_map *
4613 ice_search_prof_id_low(struct ice_hw *hw, enum ice_block blk, u64 id)
4615 struct ice_prof_map *entry = NULL;
4616 struct ice_prof_map *map;
4618 LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map,
4620 if (map->profile_cookie == id) {
4630 * ice_search_prof_id - Search for a profile tracking ID
4631 * @hw: pointer to the HW struct
4632 * @blk: hardware block
4633 * @id: profile tracking ID
4635 * This will search for a profile tracking ID which was previously added.
4637 struct ice_prof_map *
4638 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
4640 struct ice_prof_map *entry;
4642 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4643 entry = ice_search_prof_id_low(hw, blk, id);
4644 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4650 * ice_vsig_prof_id_count - count profiles in a VSIG
4651 * @hw: pointer to the HW struct
4652 * @blk: hardware block
4653 * @vsig: VSIG to remove the profile from
4656 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
4658 u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
4659 struct ice_vsig_prof *p;
4661 LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4662 ice_vsig_prof, list) {
4670 * ice_rel_tcam_idx - release a TCAM index
4671 * @hw: pointer to the HW struct
4672 * @blk: hardware block
4673 * @idx: the index to release
4675 static enum ice_status
4676 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
4678 /* Masks to invoke a never match entry */
4679 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4680 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
4681 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4682 enum ice_status status;
4684 /* write the TCAM entry */
4685 status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
4690 /* release the TCAM entry */
4691 status = ice_free_tcam_ent(hw, blk, idx);
4697 * ice_rem_prof_id - remove one profile from a VSIG
4698 * @hw: pointer to the HW struct
4699 * @blk: hardware block
4700 * @prof: pointer to profile structure to remove
4702 static enum ice_status
4703 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
4704 struct ice_vsig_prof *prof)
4706 enum ice_status status;
4709 for (i = 0; i < prof->tcam_count; i++) {
4710 if (prof->tcam[i].in_use) {
4711 prof->tcam[i].in_use = false;
4712 status = ice_rel_tcam_idx(hw, blk,
4713 prof->tcam[i].tcam_idx);
4715 return ICE_ERR_HW_TABLE;
4723 * ice_rem_vsig - remove VSIG
4724 * @hw: pointer to the HW struct
4725 * @blk: hardware block
4726 * @vsig: the VSIG to remove
4727 * @chg: the change list
4729 static enum ice_status
4730 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4731 struct LIST_HEAD_TYPE *chg)
4733 u16 idx = vsig & ICE_VSIG_IDX_M;
4734 struct ice_vsig_vsi *vsi_cur;
4735 struct ice_vsig_prof *d, *t;
4736 enum ice_status status;
4738 /* remove TCAM entries */
4739 LIST_FOR_EACH_ENTRY_SAFE(d, t,
4740 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4741 ice_vsig_prof, list) {
4742 status = ice_rem_prof_id(hw, blk, d);
4750 /* Move all VSIS associated with this VSIG to the default VSIG */
4751 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
4752 /* If the VSIG has at least 1 VSI then iterate through the list
4753 * and remove the VSIs before deleting the group.
4757 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
4758 struct ice_chs_chg *p;
4760 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4762 return ICE_ERR_NO_MEMORY;
4764 p->type = ICE_VSIG_REM;
4765 p->orig_vsig = vsig;
4766 p->vsig = ICE_DEFAULT_VSIG;
4767 p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
4769 LIST_ADD(&p->list_entry, chg);
4775 status = ice_vsig_free(hw, blk, vsig);
4781 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
4782 * @hw: pointer to the HW struct
4783 * @blk: hardware block
4784 * @vsig: VSIG to remove the profile from
4785 * @hdl: profile handle indicating which profile to remove
4786 * @chg: list to receive a record of changes
4788 static enum ice_status
4789 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
4790 struct LIST_HEAD_TYPE *chg)
4792 u16 idx = vsig & ICE_VSIG_IDX_M;
4793 struct ice_vsig_prof *p, *t;
4794 enum ice_status status;
4796 LIST_FOR_EACH_ENTRY_SAFE(p, t,
4797 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4798 ice_vsig_prof, list) {
4799 if (p->profile_cookie == hdl) {
4800 if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
4801 /* this is the last profile, remove the VSIG */
4802 return ice_rem_vsig(hw, blk, vsig, chg);
4804 status = ice_rem_prof_id(hw, blk, p);
4813 return ICE_ERR_DOES_NOT_EXIST;
4817 * ice_rem_flow_all - remove all flows with a particular profile
4818 * @hw: pointer to the HW struct
4819 * @blk: hardware block
4820 * @id: profile tracking ID
4822 static enum ice_status
4823 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
4825 struct ice_chs_chg *del, *tmp;
4826 struct LIST_HEAD_TYPE chg;
4827 enum ice_status status;
4830 INIT_LIST_HEAD(&chg);
4832 for (i = 1; i < ICE_MAX_VSIGS; i++) {
4833 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
4834 if (ice_has_prof_vsig(hw, blk, i, id)) {
4835 status = ice_rem_prof_id_vsig(hw, blk, i, id,
4838 goto err_ice_rem_flow_all;
4843 status = ice_upd_prof_hw(hw, blk, &chg);
4845 err_ice_rem_flow_all:
4846 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
4847 LIST_DEL(&del->list_entry);
4855 * ice_rem_prof - remove profile
4856 * @hw: pointer to the HW struct
4857 * @blk: hardware block
4858 * @id: profile tracking ID
4860 * This will remove the profile specified by the ID parameter, which was
4861 * previously created through ice_add_prof. If any existing entries
4862 * are associated with this profile, they will be removed as well.
4864 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
4866 struct ice_prof_map *pmap;
4867 enum ice_status status;
4869 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4871 pmap = ice_search_prof_id_low(hw, blk, id);
4873 status = ICE_ERR_DOES_NOT_EXIST;
4874 goto err_ice_rem_prof;
4877 /* remove all flows with this profile */
4878 status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
4880 goto err_ice_rem_prof;
4882 /* dereference profile, and possibly remove */
4883 ice_prof_dec_ref(hw, blk, pmap->prof_id);
4885 LIST_DEL(&pmap->list);
4888 status = ICE_SUCCESS;
4891 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4896 * ice_get_prof - get profile
4897 * @hw: pointer to the HW struct
4898 * @blk: hardware block
4899 * @hdl: profile handle
4902 static enum ice_status
4903 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl,
4904 struct LIST_HEAD_TYPE *chg)
4906 struct ice_prof_map *map;
4907 struct ice_chs_chg *p;
4910 /* Get the details on the profile specified by the handle ID */
4911 map = ice_search_prof_id(hw, blk, hdl);
4913 return ICE_ERR_DOES_NOT_EXIST;
4915 for (i = 0; i < map->ptg_cnt; i++) {
4916 if (!hw->blk[blk].es.written[map->prof_id]) {
4917 /* add ES to change list */
4918 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4920 goto err_ice_get_prof;
4922 p->type = ICE_PTG_ES_ADD;
4924 p->ptg = map->ptg[i];
4928 p->prof_id = map->prof_id;
4930 hw->blk[blk].es.written[map->prof_id] = true;
4932 LIST_ADD(&p->list_entry, chg);
4939 /* let caller clean up the change list */
4940 return ICE_ERR_NO_MEMORY;
4944 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
4945 * @hw: pointer to the HW struct
4946 * @blk: hardware block
4947 * @vsig: VSIG from which to copy the list
4950 * This routine makes a copy of the list of profiles in the specified VSIG.
4952 static enum ice_status
4953 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4954 struct LIST_HEAD_TYPE *lst)
4956 struct ice_vsig_prof *ent1, *ent2;
4957 u16 idx = vsig & ICE_VSIG_IDX_M;
4959 LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4960 ice_vsig_prof, list) {
4961 struct ice_vsig_prof *p;
4963 /* copy to the input list */
4964 p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p),
4965 ICE_NONDMA_TO_NONDMA);
4967 goto err_ice_get_profs_vsig;
4969 LIST_ADD_TAIL(&p->list, lst);
4974 err_ice_get_profs_vsig:
4975 LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
4976 LIST_DEL(&ent1->list);
4980 return ICE_ERR_NO_MEMORY;
4984 * ice_add_prof_to_lst - add profile entry to a list
4985 * @hw: pointer to the HW struct
4986 * @blk: hardware block
4987 * @lst: the list to be added to
4988 * @hdl: profile handle of entry to add
4990 static enum ice_status
4991 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
4992 struct LIST_HEAD_TYPE *lst, u64 hdl)
4994 struct ice_vsig_prof *p;
4995 struct ice_prof_map *map;
4998 map = ice_search_prof_id(hw, blk, hdl);
5000 return ICE_ERR_DOES_NOT_EXIST;
5002 p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
5004 return ICE_ERR_NO_MEMORY;
5006 p->profile_cookie = map->profile_cookie;
5007 p->prof_id = map->prof_id;
5008 p->tcam_count = map->ptg_cnt;
5010 for (i = 0; i < map->ptg_cnt; i++) {
5011 p->tcam[i].prof_id = map->prof_id;
5012 p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
5013 p->tcam[i].ptg = map->ptg[i];
5016 LIST_ADD(&p->list, lst);
5022 * ice_move_vsi - move VSI to another VSIG
5023 * @hw: pointer to the HW struct
5024 * @blk: hardware block
5025 * @vsi: the VSI to move
5026 * @vsig: the VSIG to move the VSI to
5027 * @chg: the change list
5029 static enum ice_status
5030 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
5031 struct LIST_HEAD_TYPE *chg)
5033 enum ice_status status;
5034 struct ice_chs_chg *p;
5037 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5039 return ICE_ERR_NO_MEMORY;
5041 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
5043 status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
5050 p->type = ICE_VSI_MOVE;
5052 p->orig_vsig = orig_vsig;
5055 LIST_ADD(&p->list_entry, chg);
5061 * ice_prof_tcam_ena_dis - add enable or disable TCAM change
5062 * @hw: pointer to the HW struct
5063 * @blk: hardware block
5064 * @enable: true to enable, false to disable
5065 * @vsig: the vsig of the TCAM entry
5066 * @tcam: pointer the TCAM info structure of the TCAM to disable
5067 * @chg: the change list
5069 * This function appends an enable or disable TCAM entry in the change log
5071 static enum ice_status
5072 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
5073 u16 vsig, struct ice_tcam_inf *tcam,
5074 struct LIST_HEAD_TYPE *chg)
5076 enum ice_status status;
5077 struct ice_chs_chg *p;
5079 /* Default: enable means change the low flag bit to don't care */
5080 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
5081 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5082 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
5084 /* if disabling, free the tcam */
5086 status = ice_free_tcam_ent(hw, blk, tcam->tcam_idx);
5092 /* for re-enabling, reallocate a tcam */
5093 status = ice_alloc_tcam_ent(hw, blk, &tcam->tcam_idx);
5097 /* add TCAM to change list */
5098 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5100 return ICE_ERR_NO_MEMORY;
5102 status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
5103 tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
5106 goto err_ice_prof_tcam_ena_dis;
5110 p->type = ICE_TCAM_ADD;
5111 p->add_tcam_idx = true;
5112 p->prof_id = tcam->prof_id;
5115 p->tcam_idx = tcam->tcam_idx;
5118 LIST_ADD(&p->list_entry, chg);
5122 err_ice_prof_tcam_ena_dis:
5128 * ice_adj_prof_priorities - adjust profile based on priorities
5129 * @hw: pointer to the HW struct
5130 * @blk: hardware block
5131 * @vsig: the VSIG for which to adjust profile priorities
5132 * @chg: the change list
5134 static enum ice_status
5135 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
5136 struct LIST_HEAD_TYPE *chg)
5138 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
5139 struct ice_vsig_prof *t;
5140 enum ice_status status;
5143 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT);
5144 idx = vsig & ICE_VSIG_IDX_M;
5146 /* Priority is based on the order in which the profiles are added. The
5147 * newest added profile has highest priority and the oldest added
5148 * profile has the lowest priority. Since the profile property list for
5149 * a VSIG is sorted from newest to oldest, this code traverses the list
5150 * in order and enables the first of each PTG that it finds (that is not
5151 * already enabled); it also disables any duplicate PTGs that it finds
5152 * in the older profiles (that are currently enabled).
5155 LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
5156 ice_vsig_prof, list) {
5159 for (i = 0; i < t->tcam_count; i++) {
5160 /* Scan the priorities from newest to oldest.
5161 * Make sure that the newest profiles take priority.
5163 if (ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
5164 t->tcam[i].in_use) {
5165 /* need to mark this PTG as never match, as it
5166 * was already in use and therefore duplicate
5167 * (and lower priority)
5169 status = ice_prof_tcam_ena_dis(hw, blk, false,
5175 } else if (!ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
5176 !t->tcam[i].in_use) {
5177 /* need to enable this PTG, as it in not in use
5178 * and not enabled (highest priority)
5180 status = ice_prof_tcam_ena_dis(hw, blk, true,
5188 /* keep track of used ptgs */
5189 ice_set_bit(t->tcam[i].ptg, ptgs_used);
5197 * ice_add_prof_id_vsig - add profile to VSIG
5198 * @hw: pointer to the HW struct
5199 * @blk: hardware block
5200 * @vsig: the VSIG to which this profile is to be added
5201 * @hdl: the profile handle indicating the profile to add
5202 * @chg: the change list
5204 static enum ice_status
5205 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
5206 struct LIST_HEAD_TYPE *chg)
5208 /* Masks that ignore flags */
5209 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
5210 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
5211 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
5212 struct ice_prof_map *map;
5213 struct ice_vsig_prof *t;
5214 struct ice_chs_chg *p;
5217 /* Get the details on the profile specified by the handle ID */
5218 map = ice_search_prof_id(hw, blk, hdl);
5220 return ICE_ERR_DOES_NOT_EXIST;
5222 /* Error, if this VSIG already has this profile */
5223 if (ice_has_prof_vsig(hw, blk, vsig, hdl))
5224 return ICE_ERR_ALREADY_EXISTS;
5226 /* new VSIG profile structure */
5227 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5229 goto err_ice_add_prof_id_vsig;
5231 t->profile_cookie = map->profile_cookie;
5232 t->prof_id = map->prof_id;
5233 t->tcam_count = map->ptg_cnt;
5235 /* create TCAM entries */
5236 for (i = 0; i < map->ptg_cnt; i++) {
5237 enum ice_status status;
5240 /* add TCAM to change list */
5241 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5243 goto err_ice_add_prof_id_vsig;
5245 /* allocate the TCAM entry index */
5246 status = ice_alloc_tcam_ent(hw, blk, &tcam_idx);
5249 goto err_ice_add_prof_id_vsig;
5252 t->tcam[i].ptg = map->ptg[i];
5253 t->tcam[i].prof_id = map->prof_id;
5254 t->tcam[i].tcam_idx = tcam_idx;
5255 t->tcam[i].in_use = true;
5257 p->type = ICE_TCAM_ADD;
5258 p->add_tcam_idx = true;
5259 p->prof_id = t->tcam[i].prof_id;
5260 p->ptg = t->tcam[i].ptg;
5262 p->tcam_idx = t->tcam[i].tcam_idx;
5264 /* write the TCAM entry */
5265 status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
5267 t->tcam[i].ptg, vsig, 0, 0,
5268 vl_msk, dc_msk, nm_msk);
5270 goto err_ice_add_prof_id_vsig;
5273 LIST_ADD(&p->list_entry, chg);
5276 /* add profile to VSIG */
5278 &hw->blk[blk].xlt2.vsig_tbl[(vsig & ICE_VSIG_IDX_M)].prop_lst);
5282 err_ice_add_prof_id_vsig:
5283 /* let caller clean up the change list */
5285 return ICE_ERR_NO_MEMORY;
5289 * ice_create_prof_id_vsig - add a new VSIG with a single profile
5290 * @hw: pointer to the HW struct
5291 * @blk: hardware block
5292 * @vsi: the initial VSI that will be in VSIG
5293 * @hdl: the profile handle of the profile that will be added to the VSIG
5294 * @chg: the change list
5296 static enum ice_status
5297 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
5298 struct LIST_HEAD_TYPE *chg)
5300 enum ice_status status;
5301 struct ice_chs_chg *p;
5304 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
5306 return ICE_ERR_NO_MEMORY;
5308 new_vsig = ice_vsig_alloc(hw, blk);
5310 status = ICE_ERR_HW_TABLE;
5311 goto err_ice_create_prof_id_vsig;
5314 status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
5316 goto err_ice_create_prof_id_vsig;
5318 status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, chg);
5320 goto err_ice_create_prof_id_vsig;
5322 p->type = ICE_VSIG_ADD;
5324 p->orig_vsig = ICE_DEFAULT_VSIG;
5327 LIST_ADD(&p->list_entry, chg);
5331 err_ice_create_prof_id_vsig:
5332 /* let caller clean up the change list */
5338 * ice_create_vsig_from_list - create a new VSIG with a list of profiles
5339 * @hw: pointer to the HW struct
5340 * @blk: hardware block
5341 * @vsi: the initial VSI that will be in VSIG
5342 * @lst: the list of profile that will be added to the VSIG
5343 * @chg: the change list
5345 static enum ice_status
5346 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
5347 struct LIST_HEAD_TYPE *lst, struct LIST_HEAD_TYPE *chg)
5349 struct ice_vsig_prof *t;
5350 enum ice_status status;
5353 vsig = ice_vsig_alloc(hw, blk);
5355 return ICE_ERR_HW_TABLE;
5357 status = ice_move_vsi(hw, blk, vsi, vsig, chg);
5361 LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
5362 status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
5372 * ice_find_prof_vsig - find a VSIG with a specific profile handle
5373 * @hw: pointer to the HW struct
5374 * @blk: hardware block
5375 * @hdl: the profile handle of the profile to search for
5376 * @vsig: returns the VSIG with the matching profile
5379 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
5381 struct ice_vsig_prof *t;
5382 struct LIST_HEAD_TYPE lst;
5383 enum ice_status status;
5385 INIT_LIST_HEAD(&lst);
5387 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
5391 t->profile_cookie = hdl;
5392 LIST_ADD(&t->list, &lst);
5394 status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
5399 return status == ICE_SUCCESS;
5403 * ice_add_vsi_flow - add VSI flow
5404 * @hw: pointer to the HW struct
5405 * @blk: hardware block
5407 * @vsig: target VSIG to include the input VSI
5409 * Calling this function will add the VSI to a given VSIG and
5410 * update the HW tables accordingly. This call can be used to
5411 * add multiple VSIs to a VSIG if we know beforehand that those
5412 * VSIs have the same characteristics of the VSIG. This will
5413 * save time in generating a new VSIG and TCAMs till a match is
5414 * found and subsequent rollback when a matching VSIG is found.
5417 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
5419 struct ice_chs_chg *tmp, *del;
5420 struct LIST_HEAD_TYPE chg;
5421 enum ice_status status;
5423 /* if target VSIG is default the move is invalid */
5424 if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG)
5425 return ICE_ERR_PARAM;
5427 INIT_LIST_HEAD(&chg);
5429 /* move VSI to the VSIG that matches */
5430 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5431 /* update hardware if success */
5433 status = ice_upd_prof_hw(hw, blk, &chg);
5435 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5436 LIST_DEL(&del->list_entry);
5444 * ice_add_prof_id_flow - add profile flow
5445 * @hw: pointer to the HW struct
5446 * @blk: hardware block
5447 * @vsi: the VSI to enable with the profile specified by ID
5448 * @hdl: profile handle
5450 * Calling this function will update the hardware tables to enable the
5451 * profile indicated by the ID parameter for the VSIs specified in the VSI
5452 * array. Once successfully called, the flow will be enabled.
5455 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
5457 struct ice_vsig_prof *tmp1, *del1;
5458 struct LIST_HEAD_TYPE union_lst;
5459 struct ice_chs_chg *tmp, *del;
5460 struct LIST_HEAD_TYPE chrs;
5461 struct LIST_HEAD_TYPE chg;
5462 enum ice_status status;
5463 u16 vsig, or_vsig = 0;
5465 INIT_LIST_HEAD(&union_lst);
5466 INIT_LIST_HEAD(&chrs);
5467 INIT_LIST_HEAD(&chg);
5470 status = ice_get_prof(hw, blk, hdl, &chg);
5474 /* determine if VSI is already part of a VSIG */
5475 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
5476 if (!status && vsig) {
5483 /* make sure that there is no overlap/conflict between the new
5484 * characteristics and the existing ones; we don't support that
5487 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
5488 status = ICE_ERR_ALREADY_EXISTS;
5489 goto err_ice_add_prof_id_flow;
5492 /* last VSI in the VSIG? */
5493 status = ice_vsig_get_ref(hw, blk, vsig, &ref);
5495 goto err_ice_add_prof_id_flow;
5496 only_vsi = (ref == 1);
5498 /* create a union of the current profiles and the one being
5501 status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
5503 goto err_ice_add_prof_id_flow;
5505 status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
5507 goto err_ice_add_prof_id_flow;
5509 /* search for an existing VSIG with an exact charc match */
5510 status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
5512 /* move VSI to the VSIG that matches */
5513 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5515 goto err_ice_add_prof_id_flow;
5517 /* VSI has been moved out of or_vsig. If the or_vsig had
5518 * only that VSI it is now empty and can be removed.
5521 status = ice_rem_vsig(hw, blk, or_vsig, &chg);
5523 goto err_ice_add_prof_id_flow;
5525 } else if (only_vsi) {
5526 /* If the original VSIG only contains one VSI, then it
5527 * will be the requesting VSI. In this case the VSI is
5528 * not sharing entries and we can simply add the new
5529 * profile to the VSIG.
5531 status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, &chg);
5533 goto err_ice_add_prof_id_flow;
5535 /* Adjust priorities */
5536 status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
5538 goto err_ice_add_prof_id_flow;
5540 /* No match, so we need a new VSIG */
5541 status = ice_create_vsig_from_lst(hw, blk, vsi,
5544 goto err_ice_add_prof_id_flow;
5546 /* Adjust priorities */
5547 status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
5549 goto err_ice_add_prof_id_flow;
5552 /* need to find or add a VSIG */
5553 /* search for an existing VSIG with an exact charc match */
5554 if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
5555 /* found an exact match */
5556 /* add or move VSI to the VSIG that matches */
5557 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5559 goto err_ice_add_prof_id_flow;
5561 /* we did not find an exact match */
5562 /* we need to add a VSIG */
5563 status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
5566 goto err_ice_add_prof_id_flow;
5570 /* update hardware */
5572 status = ice_upd_prof_hw(hw, blk, &chg);
5574 err_ice_add_prof_id_flow:
5575 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5576 LIST_DEL(&del->list_entry);
5580 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
5581 LIST_DEL(&del1->list);
5585 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &chrs, ice_vsig_prof, list) {
5586 LIST_DEL(&del1->list);
5594 * ice_rem_prof_from_list - remove a profile from list
5595 * @hw: pointer to the HW struct
5596 * @lst: list to remove the profile from
5597 * @hdl: the profile handle indicating the profile to remove
5599 static enum ice_status
5600 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
5602 struct ice_vsig_prof *ent, *tmp;
5604 LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) {
5605 if (ent->profile_cookie == hdl) {
5606 LIST_DEL(&ent->list);
5612 return ICE_ERR_DOES_NOT_EXIST;
5616 * ice_rem_prof_id_flow - remove flow
5617 * @hw: pointer to the HW struct
5618 * @blk: hardware block
5619 * @vsi: the VSI from which to remove the profile specified by ID
5620 * @hdl: profile tracking handle
5622 * Calling this function will update the hardware tables to remove the
5623 * profile indicated by the ID parameter for the VSIs specified in the VSI
5624 * array. Once successfully called, the flow will be disabled.
5627 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
5629 struct ice_vsig_prof *tmp1, *del1;
5630 struct LIST_HEAD_TYPE chg, copy;
5631 struct ice_chs_chg *tmp, *del;
5632 enum ice_status status;
5635 INIT_LIST_HEAD(©);
5636 INIT_LIST_HEAD(&chg);
5638 /* determine if VSI is already part of a VSIG */
5639 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
5640 if (!status && vsig) {
5646 last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
5647 status = ice_vsig_get_ref(hw, blk, vsig, &ref);
5649 goto err_ice_rem_prof_id_flow;
5650 only_vsi = (ref == 1);
5653 /* If the original VSIG only contains one reference,
5654 * which will be the requesting VSI, then the VSI is not
5655 * sharing entries and we can simply remove the specific
5656 * characteristics from the VSIG.
5660 /* If there are no profiles left for this VSIG,
5661 * then simply remove the the VSIG.
5663 status = ice_rem_vsig(hw, blk, vsig, &chg);
5665 goto err_ice_rem_prof_id_flow;
5667 status = ice_rem_prof_id_vsig(hw, blk, vsig,
5670 goto err_ice_rem_prof_id_flow;
5672 /* Adjust priorities */
5673 status = ice_adj_prof_priorities(hw, blk, vsig,
5676 goto err_ice_rem_prof_id_flow;
5680 /* Make a copy of the VSIG's list of Profiles */
5681 status = ice_get_profs_vsig(hw, blk, vsig, ©);
5683 goto err_ice_rem_prof_id_flow;
5685 /* Remove specified profile entry from the list */
5686 status = ice_rem_prof_from_list(hw, ©, hdl);
5688 goto err_ice_rem_prof_id_flow;
5690 if (LIST_EMPTY(©)) {
5691 status = ice_move_vsi(hw, blk, vsi,
5692 ICE_DEFAULT_VSIG, &chg);
5694 goto err_ice_rem_prof_id_flow;
5696 } else if (!ice_find_dup_props_vsig(hw, blk, ©,
5698 /* found an exact match */
5699 /* add or move VSI to the VSIG that matches */
5700 /* Search for a VSIG with a matching profile
5704 /* Found match, move VSI to the matching VSIG */
5705 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5707 goto err_ice_rem_prof_id_flow;
5709 /* since no existing VSIG supports this
5710 * characteristic pattern, we need to create a
5711 * new VSIG and TCAM entries
5713 status = ice_create_vsig_from_lst(hw, blk, vsi,
5716 goto err_ice_rem_prof_id_flow;
5718 /* Adjust priorities */
5719 status = ice_adj_prof_priorities(hw, blk, vsig,
5722 goto err_ice_rem_prof_id_flow;
5726 status = ICE_ERR_DOES_NOT_EXIST;
5729 /* update hardware tables */
5731 status = ice_upd_prof_hw(hw, blk, &chg);
5733 err_ice_rem_prof_id_flow:
5734 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5735 LIST_DEL(&del->list_entry);
5739 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, ©, ice_vsig_prof, list) {
5740 LIST_DEL(&del1->list);