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 *)(ice_seg->device_table +
135 LE32_TO_CPU(ice_seg->device_table_count));
137 return (struct ice_buf_table *)
138 (nvms->vers + LE32_TO_CPU(nvms->table_count));
143 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
144 * @state: pointer to the enum state
146 * This function will enumerate all the buffers in the ice segment. The first
147 * call is made with the ice_seg parameter non-NULL; on subsequent calls,
148 * ice_seg is set to NULL which continues the enumeration. When the function
149 * returns a NULL pointer, then the end of the buffers has been reached, or an
150 * unexpected value has been detected (for example an invalid section count or
151 * an invalid buffer end value).
153 static struct ice_buf_hdr *
154 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
157 state->buf_table = ice_find_buf_table(ice_seg);
158 if (!state->buf_table)
162 return ice_pkg_val_buf(state->buf_table->buf_array);
165 if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count))
166 return ice_pkg_val_buf(state->buf_table->buf_array +
173 * ice_pkg_advance_sect
174 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
175 * @state: pointer to the enum state
177 * This helper function will advance the section within the ice segment,
178 * also advancing the buffer if needed.
181 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
183 if (!ice_seg && !state->buf)
186 if (!ice_seg && state->buf)
187 if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count))
190 state->buf = ice_pkg_enum_buf(ice_seg, state);
194 /* start of new buffer, reset section index */
200 * ice_pkg_enum_section
201 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
202 * @state: pointer to the enum state
203 * @sect_type: section type to enumerate
205 * This function will enumerate all the sections of a particular type in the
206 * ice segment. The first call is made with the ice_seg parameter non-NULL;
207 * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
208 * When the function returns a NULL pointer, then the end of the matching
209 * sections has been reached.
212 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
218 state->type = sect_type;
220 if (!ice_pkg_advance_sect(ice_seg, state))
223 /* scan for next matching section */
224 while (state->buf->section_entry[state->sect_idx].type !=
225 CPU_TO_LE32(state->type))
226 if (!ice_pkg_advance_sect(NULL, state))
229 /* validate section */
230 offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
231 if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
234 size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size);
235 if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
238 /* make sure the section fits in the buffer */
239 if (offset + size > ICE_PKG_BUF_SIZE)
243 LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type);
245 /* calc pointer to this section */
246 state->sect = ((u8 *)state->buf) +
247 LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset);
254 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
255 * @state: pointer to the enum state
256 * @sect_type: section type to enumerate
257 * @offset: pointer to variable that receives the offset in the table (optional)
258 * @handler: function that handles access to the entries into the section type
260 * This function will enumerate all the entries in particular section type in
261 * the ice segment. The first call is made with the ice_seg parameter non-NULL;
262 * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
263 * When the function returns a NULL pointer, then the end of the entries has
266 * Since each section may have a different header and entry size, the handler
267 * function is needed to determine the number and location entries in each
270 * The offset parameter is optional, but should be used for sections that
271 * contain an offset for each section table. For such cases, the section handler
272 * function must return the appropriate offset + index to give the absolution
273 * offset for each entry. For example, if the base for a section's header
274 * indicates a base offset of 10, and the index for the entry is 2, then
275 * section handler function should set the offset to 10 + 2 = 12.
278 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
279 u32 sect_type, u32 *offset,
280 void *(*handler)(u32 sect_type, void *section,
281 u32 index, u32 *offset))
289 if (!ice_pkg_enum_section(ice_seg, state, sect_type))
292 state->entry_idx = 0;
293 state->handler = handler;
302 entry = state->handler(state->sect_type, state->sect, state->entry_idx,
305 /* end of a section, look for another section of this type */
306 if (!ice_pkg_enum_section(NULL, state, 0))
309 state->entry_idx = 0;
310 entry = state->handler(state->sect_type, state->sect,
311 state->entry_idx, offset);
318 * ice_boost_tcam_handler
319 * @sect_type: section type
320 * @section: pointer to section
321 * @index: index of the boost TCAM entry to be returned
322 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
324 * This is a callback function that can be passed to ice_pkg_enum_entry.
325 * Handles enumeration of individual boost TCAM entries.
328 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
330 struct ice_boost_tcam_section *boost;
335 if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
338 if (index > ICE_MAX_BST_TCAMS_IN_BUF)
344 boost = (struct ice_boost_tcam_section *)section;
345 if (index >= LE16_TO_CPU(boost->count))
348 return boost->tcam + index;
352 * ice_find_boost_entry
353 * @ice_seg: pointer to the ice segment (non-NULL)
354 * @addr: Boost TCAM address of entry to search for
355 * @entry: returns pointer to the entry
357 * Finds a particular Boost TCAM entry and returns a pointer to that entry
358 * if it is found. The ice_seg parameter must not be NULL since the first call
359 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
361 static enum ice_status
362 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
363 struct ice_boost_tcam_entry **entry)
365 struct ice_boost_tcam_entry *tcam;
366 struct ice_pkg_enum state;
368 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
371 return ICE_ERR_PARAM;
374 tcam = (struct ice_boost_tcam_entry *)
375 ice_pkg_enum_entry(ice_seg, &state,
376 ICE_SID_RXPARSER_BOOST_TCAM, NULL,
377 ice_boost_tcam_handler);
378 if (tcam && LE16_TO_CPU(tcam->addr) == addr) {
391 * ice_label_enum_handler
392 * @sect_type: section type
393 * @section: pointer to section
394 * @index: index of the label entry to be returned
395 * @offset: pointer to receive absolute offset, always zero for label sections
397 * This is a callback function that can be passed to ice_pkg_enum_entry.
398 * Handles enumeration of individual label entries.
401 ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index,
404 struct ice_label_section *labels;
409 if (index > ICE_MAX_LABELS_IN_BUF)
415 labels = (struct ice_label_section *)section;
416 if (index >= LE16_TO_CPU(labels->count))
419 return labels->label + index;
424 * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
425 * @type: the section type that will contain the label (0 on subsequent calls)
426 * @state: ice_pkg_enum structure that will hold the state of the enumeration
427 * @value: pointer to a value that will return the label's value if found
429 * Enumerates a list of labels in the package. The caller will call
430 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
431 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
432 * the end of the list has been reached.
435 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
438 struct ice_label *label;
440 /* Check for valid label section on first call */
441 if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
444 label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type,
446 ice_label_enum_handler);
450 *value = LE16_TO_CPU(label->value);
456 * @hw: pointer to the HW structure
457 * @ice_seg: pointer to the segment of the package scan (non-NULL)
459 * This function will scan the package and save off relevant information
460 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
461 * since the first call to ice_enum_labels requires a pointer to an actual
464 void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
466 struct ice_pkg_enum state;
471 ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM);
476 label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
479 while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
480 for (i = 0; tnls[i].type != TNL_LAST; i++) {
481 size_t len = strlen(tnls[i].label_prefix);
483 /* Look for matching label start, before continuing */
484 if (strncmp(label_name, tnls[i].label_prefix, len))
487 /* Make sure this label matches our PF. Note that the PF
488 * character ('0' - '7') will be located where our
489 * prefix string's null terminator is located.
491 if ((label_name[len] - '0') == hw->pf_id) {
492 hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
493 hw->tnl.tbl[hw->tnl.count].valid = false;
494 hw->tnl.tbl[hw->tnl.count].in_use = false;
495 hw->tnl.tbl[hw->tnl.count].marked = false;
496 hw->tnl.tbl[hw->tnl.count].boost_addr = val;
497 hw->tnl.tbl[hw->tnl.count].port = 0;
503 label_name = ice_enum_labels(NULL, 0, &state, &val);
506 /* Cache the appropriate boost TCAM entry pointers */
507 for (i = 0; i < hw->tnl.count; i++) {
508 ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
509 &hw->tnl.tbl[i].boost_entry);
510 if (hw->tnl.tbl[i].boost_entry)
511 hw->tnl.tbl[i].valid = true;
517 #define ICE_DC_KEY 0x1 /* don't care */
518 #define ICE_DC_KEYINV 0x1
519 #define ICE_NM_KEY 0x0 /* never match */
520 #define ICE_NM_KEYINV 0x0
521 #define ICE_0_KEY 0x1 /* match 0 */
522 #define ICE_0_KEYINV 0x0
523 #define ICE_1_KEY 0x0 /* match 1 */
524 #define ICE_1_KEYINV 0x1
527 * ice_gen_key_word - generate 16-bits of a key/mask word
529 * @valid: valid bits mask (change only the valid bits)
530 * @dont_care: don't care mask
531 * @nvr_mtch: never match mask
532 * @key: pointer to an array of where the resulting key portion
533 * @key_inv: pointer to an array of where the resulting key invert portion
535 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
536 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
537 * of key and 8 bits of key invert.
539 * '0' = b01, always match a 0 bit
540 * '1' = b10, always match a 1 bit
541 * '?' = b11, don't care bit (always matches)
542 * '~' = b00, never match bit
546 * dont_care: b0 0 1 1 0 0
547 * never_mtch: b0 0 0 0 1 1
548 * ------------------------------
549 * Result: key: b01 10 11 11 00 00
551 static enum ice_status
552 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
555 u8 in_key = *key, in_key_inv = *key_inv;
558 /* 'dont_care' and 'nvr_mtch' masks cannot overlap */
559 if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
565 /* encode the 8 bits into 8-bit key and 8-bit key invert */
566 for (i = 0; i < 8; i++) {
570 if (!(valid & 0x1)) { /* change only valid bits */
571 *key |= (in_key & 0x1) << 7;
572 *key_inv |= (in_key_inv & 0x1) << 7;
573 } else if (dont_care & 0x1) { /* don't care bit */
574 *key |= ICE_DC_KEY << 7;
575 *key_inv |= ICE_DC_KEYINV << 7;
576 } else if (nvr_mtch & 0x1) { /* never match bit */
577 *key |= ICE_NM_KEY << 7;
578 *key_inv |= ICE_NM_KEYINV << 7;
579 } else if (val & 0x01) { /* exact 1 match */
580 *key |= ICE_1_KEY << 7;
581 *key_inv |= ICE_1_KEYINV << 7;
582 } else { /* exact 0 match */
583 *key |= ICE_0_KEY << 7;
584 *key_inv |= ICE_0_KEYINV << 7;
599 * ice_bits_max_set - determine if the number of bits set is within a maximum
600 * @mask: pointer to the byte array which is the mask
601 * @size: the number of bytes in the mask
602 * @max: the max number of set bits
604 * This function determines if there are at most 'max' number of bits set in an
605 * array. Returns true if the number for bits set is <= max or will return false
608 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
613 /* check each byte */
614 for (i = 0; i < size; i++) {
615 /* if 0, go to next byte */
619 /* We know there is at least one set bit in this byte because of
620 * the above check; if we already have found 'max' number of
621 * bits set, then we can return failure now.
626 /* count the bits in this byte, checking threshold */
627 for (j = 0; j < BITS_PER_BYTE; j++) {
628 count += (mask[i] & (0x1 << j)) ? 1 : 0;
638 * ice_set_key - generate a variable sized key with multiples of 16-bits
639 * @key: pointer to where the key will be stored
640 * @size: the size of the complete key in bytes (must be even)
641 * @val: array of 8-bit values that makes up the value portion of the key
642 * @upd: array of 8-bit masks that determine what key portion to update
643 * @dc: array of 8-bit masks that make up the dont' care mask
644 * @nm: array of 8-bit masks that make up the never match mask
645 * @off: the offset of the first byte in the key to update
646 * @len: the number of bytes in the key update
648 * This function generates a key from a value, a don't care mask and a never
650 * upd, dc, and nm are optional parameters, and can be NULL:
651 * upd == NULL --> udp mask is all 1's (update all bits)
652 * dc == NULL --> dc mask is all 0's (no don't care bits)
653 * nm == NULL --> nm mask is all 0's (no never match bits)
656 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
662 /* size must be a multiple of 2 bytes. */
665 half_size = size / 2;
667 if (off + len > half_size)
670 /* Make sure at most one bit is set in the never match mask. Having more
671 * than one never match mask bit set will cause HW to consume excessive
672 * power otherwise; this is a power management efficiency check.
674 #define ICE_NVR_MTCH_BITS_MAX 1
675 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
678 for (i = 0; i < len; i++)
679 if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
680 dc ? dc[i] : 0, nm ? nm[i] : 0,
681 key + off + i, key + half_size + off + i))
688 * ice_acquire_global_cfg_lock
689 * @hw: pointer to the HW structure
690 * @access: access type (read or write)
692 * This function will request ownership of the global config lock for reading
693 * or writing of the package. When attempting to obtain write access, the
694 * caller must check for the following two return values:
696 * ICE_SUCCESS - Means the caller has acquired the global config lock
697 * and can perform writing of the package.
698 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
699 * package or has found that no update was necessary; in
700 * this case, the caller can just skip performing any
701 * update of the package.
703 static enum ice_status
704 ice_acquire_global_cfg_lock(struct ice_hw *hw,
705 enum ice_aq_res_access_type access)
707 enum ice_status status;
709 ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_global_cfg_lock");
711 status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
712 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
714 if (status == ICE_ERR_AQ_NO_WORK)
715 ice_debug(hw, ICE_DBG_PKG,
716 "Global config lock: No work to do\n");
722 * ice_release_global_cfg_lock
723 * @hw: pointer to the HW structure
725 * This function will release the global config lock.
727 static void ice_release_global_cfg_lock(struct ice_hw *hw)
729 ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
733 * ice_acquire_change_lock
734 * @hw: pointer to the HW structure
735 * @access: access type (read or write)
737 * This function will request ownership of the change lock.
740 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
742 ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_change_lock");
744 return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
745 ICE_CHANGE_LOCK_TIMEOUT);
749 * ice_release_change_lock
750 * @hw: pointer to the HW structure
752 * This function will release the change lock using the proper Admin Command.
754 void ice_release_change_lock(struct ice_hw *hw)
756 ice_debug(hw, ICE_DBG_TRACE, "ice_release_change_lock");
758 ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
762 * ice_aq_download_pkg
763 * @hw: pointer to the hardware structure
764 * @pkg_buf: the package buffer to transfer
765 * @buf_size: the size of the package buffer
766 * @last_buf: last buffer indicator
767 * @error_offset: returns error offset
768 * @error_info: returns error information
769 * @cd: pointer to command details structure or NULL
771 * Download Package (0x0C40)
773 static enum ice_status
774 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
775 u16 buf_size, bool last_buf, u32 *error_offset,
776 u32 *error_info, struct ice_sq_cd *cd)
778 struct ice_aqc_download_pkg *cmd;
779 struct ice_aq_desc desc;
780 enum ice_status status;
782 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_download_pkg");
789 cmd = &desc.params.download_pkg;
790 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
791 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
794 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
796 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
797 if (status == ICE_ERR_AQ_ERROR) {
798 /* Read error from buffer only when the FW returned an error */
799 struct ice_aqc_download_pkg_resp *resp;
801 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
803 *error_offset = LE32_TO_CPU(resp->error_offset);
805 *error_info = LE32_TO_CPU(resp->error_info);
812 * ice_aq_upload_section
813 * @hw: pointer to the hardware structure
814 * @pkg_buf: the package buffer which will receive the section
815 * @buf_size: the size of the package buffer
816 * @cd: pointer to command details structure or NULL
818 * Upload Section (0x0C41)
821 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
822 u16 buf_size, struct ice_sq_cd *cd)
824 struct ice_aq_desc desc;
826 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_upload_section");
827 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section);
828 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
830 return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
835 * @hw: pointer to the hardware structure
836 * @pkg_buf: the package cmd buffer
837 * @buf_size: the size of the package cmd buffer
838 * @last_buf: last buffer indicator
839 * @error_offset: returns error offset
840 * @error_info: returns error information
841 * @cd: pointer to command details structure or NULL
843 * Update Package (0x0C42)
845 static enum ice_status
846 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
847 bool last_buf, u32 *error_offset, u32 *error_info,
848 struct ice_sq_cd *cd)
850 struct ice_aqc_download_pkg *cmd;
851 struct ice_aq_desc desc;
852 enum ice_status status;
854 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_update_pkg");
861 cmd = &desc.params.download_pkg;
862 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
863 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
866 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
868 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
869 if (status == ICE_ERR_AQ_ERROR) {
870 /* Read error from buffer only when the FW returned an error */
871 struct ice_aqc_download_pkg_resp *resp;
873 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
875 *error_offset = LE32_TO_CPU(resp->error_offset);
877 *error_info = LE32_TO_CPU(resp->error_info);
884 * ice_find_seg_in_pkg
885 * @hw: pointer to the hardware structure
886 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
887 * @pkg_hdr: pointer to the package header to be searched
889 * This function searches a package file for a particular segment type. On
890 * success it returns a pointer to the segment header, otherwise it will
893 struct ice_generic_seg_hdr *
894 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
895 struct ice_pkg_hdr *pkg_hdr)
899 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
900 ice_debug(hw, ICE_DBG_PKG, "Package version: %d.%d.%d.%d\n",
901 pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
902 pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
904 /* Search all package segments for the requested segment type */
905 for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) {
906 struct ice_generic_seg_hdr *seg;
908 seg = (struct ice_generic_seg_hdr *)
909 ((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i]));
911 if (LE32_TO_CPU(seg->seg_type) == seg_type)
920 * @hw: pointer to the hardware structure
921 * @bufs: pointer to an array of buffers
922 * @count: the number of buffers in the array
924 * Obtains change lock and updates package.
927 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
929 enum ice_status status;
932 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
936 for (i = 0; i < count; i++) {
937 bool last = ((i + 1) == count);
939 struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
941 status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
942 last, &offset, &info, NULL);
945 ice_debug(hw, ICE_DBG_PKG,
946 "Update pkg failed: err %d off %d inf %d\n",
947 status, offset, info);
952 ice_release_change_lock(hw);
959 * @hw: pointer to the hardware structure
960 * @bufs: pointer to an array of buffers
961 * @count: the number of buffers in the array
963 * Obtains global config lock and downloads the package configuration buffers
964 * to the firmware. Metadata buffers are skipped, and the first metadata buffer
965 * found indicates that the rest of the buffers are all metadata buffers.
967 static enum ice_status
968 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
970 enum ice_status status;
971 struct ice_buf_hdr *bh;
975 return ICE_ERR_PARAM;
977 /* If the first buffer's first section has its metadata bit set
978 * then there are no buffers to be downloaded, and the operation is
979 * considered a success.
981 bh = (struct ice_buf_hdr *)bufs;
982 if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF)
985 status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
989 for (i = 0; i < count; i++) {
990 bool last = ((i + 1) == count);
993 /* check next buffer for metadata flag */
994 bh = (struct ice_buf_hdr *)(bufs + i + 1);
996 /* A set metadata flag in the next buffer will signal
997 * that the current buffer will be the last buffer
1000 if (LE16_TO_CPU(bh->section_count))
1001 if (LE32_TO_CPU(bh->section_entry[0].type) &
1006 bh = (struct ice_buf_hdr *)(bufs + i);
1008 status = ice_aq_download_pkg(hw, bh, LE16_TO_CPU(bh->data_end),
1009 last, &offset, &info, NULL);
1012 ice_debug(hw, ICE_DBG_PKG,
1013 "Pkg download failed: err %d off %d inf %d\n",
1014 status, offset, info);
1022 ice_release_global_cfg_lock(hw);
1028 * ice_aq_get_pkg_info_list
1029 * @hw: pointer to the hardware structure
1030 * @pkg_info: the buffer which will receive the information list
1031 * @buf_size: the size of the pkg_info information buffer
1032 * @cd: pointer to command details structure or NULL
1034 * Get Package Info List (0x0C43)
1036 static enum ice_status
1037 ice_aq_get_pkg_info_list(struct ice_hw *hw,
1038 struct ice_aqc_get_pkg_info_resp *pkg_info,
1039 u16 buf_size, struct ice_sq_cd *cd)
1041 struct ice_aq_desc desc;
1043 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_pkg_info_list");
1044 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
1046 return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
1051 * @hw: pointer to the hardware structure
1052 * @ice_seg: pointer to the segment of the package to be downloaded
1054 * Handles the download of a complete package.
1056 enum ice_status ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
1058 struct ice_buf_table *ice_buf_tbl;
1060 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1061 ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
1062 ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
1063 ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
1065 ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
1066 LE32_TO_CPU(ice_seg->hdr.seg_type),
1067 LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
1069 ice_buf_tbl = ice_find_buf_table(ice_seg);
1071 ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
1072 LE32_TO_CPU(ice_buf_tbl->buf_count));
1074 return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
1075 LE32_TO_CPU(ice_buf_tbl->buf_count));
1080 * @hw: pointer to the hardware structure
1081 * @pkg_hdr: pointer to the driver's package hdr
1083 * Saves off the package details into the HW structure.
1086 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
1088 struct ice_global_metadata_seg *meta_seg;
1089 struct ice_generic_seg_hdr *seg_hdr;
1091 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1093 return ICE_ERR_PARAM;
1095 meta_seg = (struct ice_global_metadata_seg *)
1096 ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
1098 hw->pkg_ver = meta_seg->pkg_ver;
1099 ice_memcpy(hw->pkg_name, meta_seg->pkg_name,
1100 sizeof(hw->pkg_name), ICE_NONDMA_TO_NONDMA);
1102 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
1103 meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
1104 meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
1105 meta_seg->pkg_name);
1107 ice_debug(hw, ICE_DBG_INIT,
1108 "Did not find metadata segment in driver package\n");
1112 seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
1114 hw->ice_pkg_ver = seg_hdr->seg_ver;
1115 ice_memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
1116 sizeof(hw->ice_pkg_name), ICE_NONDMA_TO_NONDMA);
1118 ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
1119 seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
1120 seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
1123 ice_debug(hw, ICE_DBG_INIT,
1124 "Did not find ice segment in driver package\n");
1133 * @hw: pointer to the hardware structure
1135 * Store details of the package currently loaded in HW into the HW structure.
1138 ice_get_pkg_info(struct ice_hw *hw)
1140 struct ice_aqc_get_pkg_info_resp *pkg_info;
1141 enum ice_status status;
1145 ice_debug(hw, ICE_DBG_TRACE, "ice_init_pkg_info\n");
1147 size = sizeof(*pkg_info) + (sizeof(pkg_info->pkg_info[0]) *
1149 pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size);
1151 return ICE_ERR_NO_MEMORY;
1153 status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
1155 goto init_pkg_free_alloc;
1157 for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) {
1158 #define ICE_PKG_FLAG_COUNT 4
1159 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
1162 if (pkg_info->pkg_info[i].is_active) {
1163 flags[place++] = 'A';
1164 hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
1165 ice_memcpy(hw->active_pkg_name,
1166 pkg_info->pkg_info[i].name,
1167 sizeof(hw->active_pkg_name),
1168 ICE_NONDMA_TO_NONDMA);
1170 if (pkg_info->pkg_info[i].is_active_at_boot)
1171 flags[place++] = 'B';
1172 if (pkg_info->pkg_info[i].is_modified)
1173 flags[place++] = 'M';
1174 if (pkg_info->pkg_info[i].is_in_nvm)
1175 flags[place++] = 'N';
1177 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
1178 i, pkg_info->pkg_info[i].ver.major,
1179 pkg_info->pkg_info[i].ver.minor,
1180 pkg_info->pkg_info[i].ver.update,
1181 pkg_info->pkg_info[i].ver.draft,
1182 pkg_info->pkg_info[i].name, flags);
1185 init_pkg_free_alloc:
1186 ice_free(hw, pkg_info);
1192 * ice_find_label_value
1193 * @ice_seg: pointer to the ice segment (non-NULL)
1194 * @name: name of the label to search for
1195 * @type: the section type that will contain the label
1196 * @value: pointer to a value that will return the label's value if found
1198 * Finds a label's value given the label name and the section type to search.
1199 * The ice_seg parameter must not be NULL since the first call to
1200 * ice_enum_labels requires a pointer to an actual ice_seg structure.
1203 ice_find_label_value(struct ice_seg *ice_seg, char const *name, u32 type,
1206 struct ice_pkg_enum state;
1211 return ICE_ERR_PARAM;
1214 label_name = ice_enum_labels(ice_seg, type, &state, &val);
1215 if (label_name && !strcmp(label_name, name)) {
1221 } while (label_name);
1227 * ice_verify_pkg - verify package
1228 * @pkg: pointer to the package buffer
1229 * @len: size of the package buffer
1231 * Verifies various attributes of the package file, including length, format
1232 * version, and the requirement of at least one segment.
1234 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
1239 if (len < sizeof(*pkg))
1240 return ICE_ERR_BUF_TOO_SHORT;
1242 if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
1243 pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
1244 pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
1245 pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
1248 /* pkg must have at least one segment */
1249 seg_count = LE32_TO_CPU(pkg->seg_count);
1253 /* make sure segment array fits in package length */
1254 if (len < sizeof(*pkg) + ((seg_count - 1) * sizeof(pkg->seg_offset)))
1255 return ICE_ERR_BUF_TOO_SHORT;
1257 /* all segments must fit within length */
1258 for (i = 0; i < seg_count; i++) {
1259 u32 off = LE32_TO_CPU(pkg->seg_offset[i]);
1260 struct ice_generic_seg_hdr *seg;
1262 /* segment header must fit */
1263 if (len < off + sizeof(*seg))
1264 return ICE_ERR_BUF_TOO_SHORT;
1266 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
1268 /* segment body must fit */
1269 if (len < off + LE32_TO_CPU(seg->seg_size))
1270 return ICE_ERR_BUF_TOO_SHORT;
1277 * ice_free_seg - free package segment pointer
1278 * @hw: pointer to the hardware structure
1280 * Frees the package segment pointer in the proper manner, depending on if the
1281 * segment was allocated or just the passed in pointer was stored.
1283 void ice_free_seg(struct ice_hw *hw)
1286 ice_free(hw, hw->pkg_copy);
1287 hw->pkg_copy = NULL;
1294 * ice_init_fd_mask_regs - initialize Flow Director mask registers
1295 * @hw: pointer to the HW struct
1297 * This function sets up the Flow Director mask registers to allow for complete
1298 * masking off of any of the 24 Field Vector words. After this call, mask 0 will
1299 * mask off all of FV index 0, mask 1 will mask off all of FV index 1, etc.
1301 static void ice_init_fd_mask_regs(struct ice_hw *hw)
1305 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
1306 wr32(hw, GLQF_FDMASK(i), i);
1307 ice_debug(hw, ICE_DBG_INIT, "init fd mask(%d): %x = %x\n", i,
1313 * ice_init_pkg_regs - initialize additional package registers
1314 * @hw: pointer to the hardware structure
1316 static void ice_init_pkg_regs(struct ice_hw *hw)
1318 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
1319 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
1320 #define ICE_SW_BLK_IDX 0
1322 /* setup Switch block input mask, which is 48-bits in two parts */
1323 wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
1324 wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
1325 /* setup default flow director masks */
1326 ice_init_fd_mask_regs(hw);
1330 * ice_chk_pkg_version - check package version for compatibility with driver
1331 * @hw: pointer to the hardware structure
1332 * @pkg_ver: pointer to a version structure to check
1334 * Check to make sure that the package about to be downloaded is compatible with
1335 * the driver. To be compatible, the major and minor components of the package
1336 * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
1339 static enum ice_status
1340 ice_chk_pkg_version(struct ice_hw *hw, struct ice_pkg_ver *pkg_ver)
1342 if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
1343 pkg_ver->minor != ICE_PKG_SUPP_VER_MNR) {
1344 ice_info(hw, "ERROR: Incompatible package: %d.%d.%d.%d - requires package version: %d.%d.*.*\n",
1345 pkg_ver->major, pkg_ver->minor, pkg_ver->update,
1346 pkg_ver->draft, ICE_PKG_SUPP_VER_MAJ,
1347 ICE_PKG_SUPP_VER_MNR);
1349 return ICE_ERR_NOT_SUPPORTED;
1356 * ice_init_pkg - initialize/download package
1357 * @hw: pointer to the hardware structure
1358 * @buf: pointer to the package buffer
1359 * @len: size of the package buffer
1361 * This function initializes a package. The package contains HW tables
1362 * required to do packet processing. First, the function extracts package
1363 * information such as version. Then it finds the ice configuration segment
1364 * within the package; this function then saves a copy of the segment pointer
1365 * within the supplied package buffer. Next, the function will cache any hints
1366 * from the package, followed by downloading the package itself. Note, that if
1367 * a previous PF driver has already downloaded the package successfully, then
1368 * the current driver will not have to download the package again.
1370 * The local package contents will be used to query default behavior and to
1371 * update specific sections of the HW's version of the package (e.g. to update
1372 * the parse graph to understand new protocols).
1374 * This function stores a pointer to the package buffer memory, and it is
1375 * expected that the supplied buffer will not be freed immediately. If the
1376 * package buffer needs to be freed, such as when read from a file, use
1377 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
1380 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
1382 struct ice_pkg_hdr *pkg;
1383 enum ice_status status;
1384 struct ice_seg *seg;
1387 return ICE_ERR_PARAM;
1389 pkg = (struct ice_pkg_hdr *)buf;
1390 status = ice_verify_pkg(pkg, len);
1392 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
1397 /* initialize package info */
1398 status = ice_init_pkg_info(hw, pkg);
1402 /* before downloading the package, check package version for
1403 * compatibility with driver
1405 status = ice_chk_pkg_version(hw, &hw->pkg_ver);
1409 /* find segment in given package */
1410 seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
1412 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
1416 /* initialize package hints and then download package */
1417 ice_init_pkg_hints(hw, seg);
1418 status = ice_download_pkg(hw, seg);
1419 if (status == ICE_ERR_AQ_NO_WORK) {
1420 ice_debug(hw, ICE_DBG_INIT,
1421 "package previously loaded - no work.\n");
1422 status = ICE_SUCCESS;
1425 /* Get information on the package currently loaded in HW, then make sure
1426 * the driver is compatible with this version.
1429 status = ice_get_pkg_info(hw);
1431 status = ice_chk_pkg_version(hw, &hw->active_pkg_ver);
1436 /* on successful package download update other required
1437 * registers to support the package and fill HW tables
1438 * with package content.
1440 ice_init_pkg_regs(hw);
1441 ice_fill_blk_tbls(hw);
1443 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
1451 * ice_copy_and_init_pkg - initialize/download a copy of the package
1452 * @hw: pointer to the hardware structure
1453 * @buf: pointer to the package buffer
1454 * @len: size of the package buffer
1456 * This function copies the package buffer, and then calls ice_init_pkg() to
1457 * initialize the copied package contents.
1459 * The copying is necessary if the package buffer supplied is constant, or if
1460 * the memory may disappear shortly after calling this function.
1462 * If the package buffer resides in the data segment and can be modified, the
1463 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
1465 * However, if the package buffer needs to be copied first, such as when being
1466 * read from a file, the caller should use ice_copy_and_init_pkg().
1468 * This function will first copy the package buffer, before calling
1469 * ice_init_pkg(). The caller is free to immediately destroy the original
1470 * package buffer, as the new copy will be managed by this function and
1473 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
1475 enum ice_status status;
1479 return ICE_ERR_PARAM;
1481 buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA);
1483 status = ice_init_pkg(hw, buf_copy, len);
1485 /* Free the copy, since we failed to initialize the package */
1486 ice_free(hw, buf_copy);
1488 /* Track the copied pkg so we can free it later */
1489 hw->pkg_copy = buf_copy;
1498 * @hw: pointer to the HW structure
1500 * Allocates a package buffer and returns a pointer to the buffer header.
1501 * Note: all package contents must be in Little Endian form.
1503 struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
1505 struct ice_buf_build *bld;
1506 struct ice_buf_hdr *buf;
1508 bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld));
1512 buf = (struct ice_buf_hdr *)bld;
1513 buf->data_end = CPU_TO_LE16(sizeof(*buf) -
1514 sizeof(buf->section_entry[0]));
1520 * @sect_type: section type
1521 * @section: pointer to section
1522 * @index: index of the field vector entry to be returned
1523 * @offset: ptr to variable that receives the offset in the field vector table
1525 * This is a callback function that can be passed to ice_pkg_enum_entry.
1526 * This function treats the given section as of type ice_sw_fv_section and
1527 * enumerates offset field. "offset" is an index into the field vector
1531 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
1533 struct ice_sw_fv_section *fv_section =
1534 (struct ice_sw_fv_section *)section;
1536 if (!section || sect_type != ICE_SID_FLD_VEC_SW)
1538 if (index >= LE16_TO_CPU(fv_section->count))
1541 /* "index" passed in to this function is relative to a given
1542 * 4k block. To get to the true index into the field vector
1543 * table need to add the relative index to the base_offset
1544 * field of this section
1546 *offset = LE16_TO_CPU(fv_section->base_offset) + index;
1547 return fv_section->fv + index;
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 * @fv_list: Head of a list
1557 * Finds all the field vector entries from switch block that contain
1558 * a given protocol ID and returns a list of structures of type
1559 * "ice_sw_fv_list_entry". Every structure in the list has a field vector
1560 * definition and profile ID information
1561 * NOTE: The caller of the function is responsible for freeing the memory
1562 * allocated for every list entry.
1565 ice_get_sw_fv_list(struct ice_hw *hw, u16 *prot_ids, u8 ids_cnt,
1566 struct LIST_HEAD_TYPE *fv_list)
1568 struct ice_sw_fv_list_entry *fvl;
1569 struct ice_sw_fv_list_entry *tmp;
1570 struct ice_pkg_enum state;
1571 struct ice_seg *ice_seg;
1575 if (!ids_cnt || !hw->seg)
1576 return ICE_ERR_PARAM;
1582 fv = (struct ice_fv *)
1583 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
1584 &offset, ice_sw_fv_handler);
1586 for (i = 0; i < ids_cnt && fv; i++) {
1589 /* This code assumes that if a switch field vector line
1590 * has a matching protocol, then this line will contain
1591 * the entries necessary to represent every field in
1592 * that protocol header.
1594 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
1595 if (fv->ew[j].prot_id == prot_ids[i])
1597 if (j >= hw->blk[ICE_BLK_SW].es.fvw)
1599 if (i + 1 == ids_cnt) {
1600 fvl = (struct ice_sw_fv_list_entry *)
1601 ice_malloc(hw, sizeof(*fvl));
1605 fvl->profile_id = offset;
1606 LIST_ADD(&fvl->list_entry, fv_list);
1612 if (LIST_EMPTY(fv_list))
1617 LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry,
1619 LIST_DEL(&fvl->list_entry);
1623 return ICE_ERR_NO_MEMORY;
1627 * ice_pkg_buf_alloc_single_section
1628 * @hw: pointer to the HW structure
1629 * @type: the section type value
1630 * @size: the size of the section to reserve (in bytes)
1631 * @section: returns pointer to the section
1633 * Allocates a package buffer with a single section.
1634 * Note: all package contents must be in Little Endian form.
1636 static struct ice_buf_build *
1637 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size,
1640 struct ice_buf_build *buf;
1645 buf = ice_pkg_buf_alloc(hw);
1649 if (ice_pkg_buf_reserve_section(buf, 1))
1650 goto ice_pkg_buf_alloc_single_section_err;
1652 *section = ice_pkg_buf_alloc_section(buf, type, size);
1654 goto ice_pkg_buf_alloc_single_section_err;
1658 ice_pkg_buf_alloc_single_section_err:
1659 ice_pkg_buf_free(hw, buf);
1664 * ice_pkg_buf_reserve_section
1665 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1666 * @count: the number of sections to reserve
1668 * Reserves one or more section table entries in a package buffer. This routine
1669 * can be called multiple times as long as they are made before calling
1670 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1671 * is called once, the number of sections that can be allocated will not be able
1672 * to be increased; not using all reserved sections is fine, but this will
1673 * result in some wasted space in the buffer.
1674 * Note: all package contents must be in Little Endian form.
1677 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
1679 struct ice_buf_hdr *buf;
1684 return ICE_ERR_PARAM;
1686 buf = (struct ice_buf_hdr *)&bld->buf;
1688 /* already an active section, can't increase table size */
1689 section_count = LE16_TO_CPU(buf->section_count);
1690 if (section_count > 0)
1693 if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
1695 bld->reserved_section_table_entries += count;
1697 data_end = LE16_TO_CPU(buf->data_end) +
1698 (count * sizeof(buf->section_entry[0]));
1699 buf->data_end = CPU_TO_LE16(data_end);
1705 * ice_pkg_buf_unreserve_section
1706 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1707 * @count: the number of sections to unreserve
1709 * Unreserves one or more section table entries in a package buffer, releasing
1710 * space that can be used for section data. This routine can be called
1711 * multiple times as long as they are made before calling
1712 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
1713 * is called once, the number of sections that can be allocated will not be able
1714 * to be increased; not using all reserved sections is fine, but this will
1715 * result in some wasted space in the buffer.
1716 * Note: all package contents must be in Little Endian form.
1719 ice_pkg_buf_unreserve_section(struct ice_buf_build *bld, u16 count)
1721 struct ice_buf_hdr *buf;
1726 return ICE_ERR_PARAM;
1728 buf = (struct ice_buf_hdr *)&bld->buf;
1730 /* already an active section, can't decrease table size */
1731 section_count = LE16_TO_CPU(buf->section_count);
1732 if (section_count > 0)
1735 if (count > bld->reserved_section_table_entries)
1737 bld->reserved_section_table_entries -= count;
1739 data_end = LE16_TO_CPU(buf->data_end) -
1740 (count * sizeof(buf->section_entry[0]));
1741 buf->data_end = CPU_TO_LE16(data_end);
1747 * ice_pkg_buf_alloc_section
1748 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1749 * @type: the section type value
1750 * @size: the size of the section to reserve (in bytes)
1752 * Reserves memory in the buffer for a section's content and updates the
1753 * buffers' status accordingly. This routine returns a pointer to the first
1754 * byte of the section start within the buffer, which is used to fill in the
1756 * Note: all package contents must be in Little Endian form.
1759 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
1761 struct ice_buf_hdr *buf;
1765 if (!bld || !type || !size)
1768 buf = (struct ice_buf_hdr *)&bld->buf;
1770 /* check for enough space left in buffer */
1771 data_end = LE16_TO_CPU(buf->data_end);
1773 /* section start must align on 4 byte boundary */
1774 data_end = ICE_ALIGN(data_end, 4);
1776 if ((data_end + size) > ICE_MAX_S_DATA_END)
1779 /* check for more available section table entries */
1780 sect_count = LE16_TO_CPU(buf->section_count);
1781 if (sect_count < bld->reserved_section_table_entries) {
1782 void *section_ptr = ((u8 *)buf) + data_end;
1784 buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end);
1785 buf->section_entry[sect_count].size = CPU_TO_LE16(size);
1786 buf->section_entry[sect_count].type = CPU_TO_LE32(type);
1789 buf->data_end = CPU_TO_LE16(data_end);
1791 buf->section_count = CPU_TO_LE16(sect_count + 1);
1795 /* no free section table entries */
1800 * ice_pkg_buf_get_free_space
1801 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1803 * Returns the number of free bytes remaining in the buffer.
1804 * Note: all package contents must be in Little Endian form.
1806 u16 ice_pkg_buf_get_free_space(struct ice_buf_build *bld)
1808 struct ice_buf_hdr *buf;
1813 buf = (struct ice_buf_hdr *)&bld->buf;
1814 return ICE_MAX_S_DATA_END - LE16_TO_CPU(buf->data_end);
1818 * ice_pkg_buf_get_active_sections
1819 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1821 * Returns the number of active sections. Before using the package buffer
1822 * in an update package command, the caller should make sure that there is at
1823 * least one active section - otherwise, the buffer is not legal and should
1825 * Note: all package contents must be in Little Endian form.
1827 u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
1829 struct ice_buf_hdr *buf;
1834 buf = (struct ice_buf_hdr *)&bld->buf;
1835 return LE16_TO_CPU(buf->section_count);
1839 * ice_pkg_buf_header
1840 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1842 * Return a pointer to the buffer's header
1844 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
1854 * @hw: pointer to the HW structure
1855 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
1857 * Frees a package buffer
1859 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
1865 * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index
1866 * @hw: pointer to the hardware structure
1867 * @blk: hardware block
1869 * @fv_idx: field vector word index
1870 * @prot: variable to receive the protocol ID
1871 * @off: variable to receive the protocol offset
1874 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u8 fv_idx,
1877 struct ice_fv_word *fv_ext;
1879 if (prof >= hw->blk[blk].es.count)
1880 return ICE_ERR_PARAM;
1882 if (fv_idx >= hw->blk[blk].es.fvw)
1883 return ICE_ERR_PARAM;
1885 fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw);
1887 *prot = fv_ext[fv_idx].prot_id;
1888 *off = fv_ext[fv_idx].off;
1893 /* PTG Management */
1896 * ice_ptg_update_xlt1 - Updates packet type groups in HW via XLT1 table
1897 * @hw: pointer to the hardware structure
1900 * This function will update the XLT1 hardware table to reflect the new
1901 * packet type group configuration.
1903 enum ice_status ice_ptg_update_xlt1(struct ice_hw *hw, enum ice_block blk)
1905 struct ice_xlt1_section *sect;
1906 struct ice_buf_build *bld;
1907 enum ice_status status;
1910 bld = ice_pkg_buf_alloc_single_section(hw, ice_sect_id(blk, ICE_XLT1),
1911 ICE_XLT1_SIZE(ICE_XLT1_CNT),
1914 return ICE_ERR_NO_MEMORY;
1916 sect->count = CPU_TO_LE16(ICE_XLT1_CNT);
1917 sect->offset = CPU_TO_LE16(0);
1918 for (index = 0; index < ICE_XLT1_CNT; index++)
1919 sect->value[index] = hw->blk[blk].xlt1.ptypes[index].ptg;
1921 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
1923 ice_pkg_buf_free(hw, bld);
1929 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
1930 * @hw: pointer to the hardware structure
1932 * @ptype: the ptype to search for
1933 * @ptg: pointer to variable that receives the PTG
1935 * This function will search the PTGs for a particular ptype, returning the
1936 * PTG ID that contains it through the ptg parameter, with the value of
1937 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
1940 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
1942 if (ptype >= ICE_XLT1_CNT || !ptg)
1943 return ICE_ERR_PARAM;
1945 *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
1950 * ice_ptg_alloc_val - Allocates a new packet type group ID by value
1951 * @hw: pointer to the hardware structure
1953 * @ptg: the ptg to allocate
1955 * This function allocates a given packet type group ID specified by the ptg
1959 void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
1961 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
1965 * ice_ptg_alloc - Find a free entry and allocates a new packet type group ID
1966 * @hw: pointer to the hardware structure
1969 * This function allocates and returns a new packet type group ID. Note
1970 * that 0 is the default packet type group, so successfully created PTGs will
1971 * have a non-zero ID value; which means a 0 return value indicates an error.
1973 u8 ice_ptg_alloc(struct ice_hw *hw, enum ice_block blk)
1977 /* Skip the default PTG of 0 */
1978 for (i = 1; i < ICE_MAX_PTGS; i++)
1979 if (!hw->blk[blk].xlt1.ptg_tbl[i].in_use) {
1980 /* found a free PTG ID */
1981 ice_ptg_alloc_val(hw, blk, i);
1989 * ice_ptg_free - Frees a packet type group
1990 * @hw: pointer to the hardware structure
1992 * @ptg: the ptg ID to free
1994 * This function frees a packet type group, and returns all the current ptypes
1995 * within it to the default PTG.
1997 void ice_ptg_free(struct ice_hw *hw, enum ice_block blk, u8 ptg)
1999 struct ice_ptg_ptype *p, *temp;
2001 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = false;
2002 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2004 p->ptg = ICE_DEFAULT_PTG;
2005 temp = p->next_ptype;
2006 p->next_ptype = NULL;
2010 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = NULL;
2014 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
2015 * @hw: pointer to the hardware structure
2017 * @ptype: the ptype to remove
2018 * @ptg: the ptg to remove the ptype from
2020 * This function will remove the ptype from the specific ptg, and move it to
2021 * the default PTG (ICE_DEFAULT_PTG).
2023 static enum ice_status
2024 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2026 struct ice_ptg_ptype **ch;
2027 struct ice_ptg_ptype *p;
2029 if (ptype > ICE_XLT1_CNT - 1)
2030 return ICE_ERR_PARAM;
2032 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
2033 return ICE_ERR_DOES_NOT_EXIST;
2035 /* Should not happen if .in_use is set, bad config */
2036 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
2039 /* find the ptype within this PTG, and bypass the link over it */
2040 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2041 ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2043 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
2044 *ch = p->next_ptype;
2048 ch = &p->next_ptype;
2052 hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
2053 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
2059 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
2060 * @hw: pointer to the hardware structure
2062 * @ptype: the ptype to add or move
2063 * @ptg: the ptg to add or move the ptype to
2065 * This function will either add or move a ptype to a particular PTG depending
2066 * on if the ptype is already part of another group. Note that using a
2067 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
2071 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
2073 enum ice_status status;
2076 if (ptype > ICE_XLT1_CNT - 1)
2077 return ICE_ERR_PARAM;
2079 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
2080 return ICE_ERR_DOES_NOT_EXIST;
2082 status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
2086 /* Is ptype already in the correct PTG? */
2087 if (original_ptg == ptg)
2090 /* Remove from original PTG and move back to the default PTG */
2091 if (original_ptg != ICE_DEFAULT_PTG)
2092 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
2094 /* Moving to default PTG? Then we're done with this request */
2095 if (ptg == ICE_DEFAULT_PTG)
2098 /* Add ptype to PTG at beginning of list */
2099 hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
2100 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
2101 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
2102 &hw->blk[blk].xlt1.ptypes[ptype];
2104 hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
2105 hw->blk[blk].xlt1.t[ptype] = ptg;
2110 /* Block / table size info */
2111 struct ice_blk_size_details {
2112 u16 xlt1; /* # XLT1 entries */
2113 u16 xlt2; /* # XLT2 entries */
2114 u16 prof_tcam; /* # profile ID TCAM entries */
2115 u16 prof_id; /* # profile IDs */
2116 u8 prof_cdid_bits; /* # cdid one-hot bits used in key */
2117 u16 prof_redir; /* # profile redirection entries */
2118 u16 es; /* # extraction sequence entries */
2119 u16 fvw; /* # field vector words */
2120 u8 overwrite; /* overwrite existing entries allowed */
2121 u8 reverse; /* reverse FV order */
2124 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
2127 * XLT1 - Number of entries in XLT1 table
2128 * XLT2 - Number of entries in XLT2 table
2129 * TCAM - Number of entries Profile ID TCAM table
2130 * CDID - Control Domain ID of the hardware block
2131 * PRED - Number of entries in the Profile Redirection Table
2132 * FV - Number of entries in the Field Vector
2133 * FVW - Width (in WORDs) of the Field Vector
2134 * OVR - Overwrite existing table entries
2137 /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */
2138 /* Overwrite , Reverse FV */
2139 /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48,
2141 /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32,
2143 /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
2145 /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
2147 /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24,
2152 ICE_SID_XLT1_OFF = 0,
2155 ICE_SID_PR_REDIR_OFF,
2160 /* Characteristic handling */
2163 * ice_match_prop_lst - determine if properties of two lists match
2164 * @list1: first properties list
2165 * @list2: second properties list
2167 * Count, cookies and the order must match in order to be considered equivalent.
2170 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2)
2172 struct ice_vsig_prof *tmp1;
2173 struct ice_vsig_prof *tmp2;
2177 /* compare counts */
2178 LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) {
2181 LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) {
2184 if (!count || count != chk_count)
2187 tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list);
2188 tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list);
2190 /* profile cookies must compare, and in the exact same order to take
2191 * into account priority
2194 if (tmp2->profile_cookie != tmp1->profile_cookie)
2197 tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list);
2198 tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list);
2204 /* VSIG Management */
2207 * ice_vsig_update_xlt2_sect - update one section of XLT2 table
2208 * @hw: pointer to the hardware structure
2210 * @vsi: HW VSI number to program
2211 * @vsig: vsig for the VSI
2213 * This function will update the XLT2 hardware table with the input VSI
2214 * group configuration.
2216 static enum ice_status
2217 ice_vsig_update_xlt2_sect(struct ice_hw *hw, enum ice_block blk, u16 vsi,
2220 struct ice_xlt2_section *sect;
2221 struct ice_buf_build *bld;
2222 enum ice_status status;
2224 bld = ice_pkg_buf_alloc_single_section(hw, ice_sect_id(blk, ICE_XLT2),
2225 sizeof(struct ice_xlt2_section),
2228 return ICE_ERR_NO_MEMORY;
2230 sect->count = CPU_TO_LE16(1);
2231 sect->offset = CPU_TO_LE16(vsi);
2232 sect->value[0] = CPU_TO_LE16(vsig);
2234 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
2236 ice_pkg_buf_free(hw, bld);
2242 * ice_vsig_update_xlt2 - update XLT2 table with VSIG configuration
2243 * @hw: pointer to the hardware structure
2246 * This function will update the XLT2 hardware table with the input VSI
2247 * group configuration of used vsis.
2249 enum ice_status ice_vsig_update_xlt2(struct ice_hw *hw, enum ice_block blk)
2253 for (vsi = 0; vsi < ICE_MAX_VSI; vsi++) {
2254 /* update only vsis that have been changed */
2255 if (hw->blk[blk].xlt2.vsis[vsi].changed) {
2256 enum ice_status status;
2259 vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2260 status = ice_vsig_update_xlt2_sect(hw, blk, vsi, vsig);
2264 hw->blk[blk].xlt2.vsis[vsi].changed = 0;
2272 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
2273 * @hw: pointer to the hardware structure
2275 * @vsi: VSI of interest
2276 * @vsig: pointer to receive the VSI group
2278 * This function will lookup the VSI entry in the XLT2 list and return
2279 * the VSI group its associated with.
2282 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
2284 if (!vsig || vsi >= ICE_MAX_VSI)
2285 return ICE_ERR_PARAM;
2287 /* As long as there's a default or valid VSIG associated with the input
2288 * VSI, the functions returns a success. Any handling of VSIG will be
2289 * done by the following add, update or remove functions.
2291 *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
2297 * ice_vsig_alloc_val - allocate a new VSIG by value
2298 * @hw: pointer to the hardware structure
2300 * @vsig: the vsig to allocate
2302 * This function will allocate a given VSIG specified by the vsig parameter.
2304 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2306 u16 idx = vsig & ICE_VSIG_IDX_M;
2308 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
2309 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
2310 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
2313 return ICE_VSIG_VALUE(idx, hw->pf_id);
2317 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
2318 * @hw: pointer to the hardware structure
2321 * This function will iterate through the VSIG list and mark the first
2322 * unused entry for the new VSIG entry as used and return that value.
2324 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
2328 for (i = 1; i < ICE_MAX_VSIGS; i++)
2329 if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
2330 return ice_vsig_alloc_val(hw, blk, i);
2332 return ICE_DEFAULT_VSIG;
2336 * ice_find_dup_props_vsig - find VSI group with a specified set of properties
2337 * @hw: pointer to the hardware structure
2339 * @chs: characteristic list
2340 * @vsig: returns the VSIG with the matching profiles, if found
2342 * Each VSIG is associated with a characteristic set; i.e. all VSIs under
2343 * a group have the same characteristic set. To check if there exists a VSIG
2344 * which has the same characteristics as the input characteristics; this
2345 * function will iterate through the XLT2 list and return the VSIG that has a
2346 * matching configuration. In order to make sure that priorities are accounted
2347 * for, the list must match exactly, including the order in which the
2348 * characteristics are listed.
2351 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
2352 struct LIST_HEAD_TYPE *chs, u16 *vsig)
2354 struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
2357 for (i = 0; i < xlt2->count; i++) {
2358 if (xlt2->vsig_tbl[i].in_use &&
2359 ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
2360 *vsig = ICE_VSIG_VALUE(i, hw->pf_id);
2365 return ICE_ERR_DOES_NOT_EXIST;
2369 * ice_vsig_free - free VSI group
2370 * @hw: pointer to the hardware structure
2372 * @vsig: VSIG to remove
2374 * The function will remove all VSIs associated with the input VSIG and move
2375 * them to the DEFAULT_VSIG and mark the VSIG available.
2378 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
2380 struct ice_vsig_prof *dtmp, *del;
2381 struct ice_vsig_vsi *vsi_cur;
2384 idx = vsig & ICE_VSIG_IDX_M;
2385 if (idx >= ICE_MAX_VSIGS)
2386 return ICE_ERR_PARAM;
2388 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2389 return ICE_ERR_DOES_NOT_EXIST;
2391 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
2393 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2394 /* If the VSIG has at least 1 VSI then iterate through the
2395 * list and remove the VSIs before deleting the group.
2398 /* remove all vsis associated with this VSIG XLT2 entry */
2400 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
2402 vsi_cur->vsig = ICE_DEFAULT_VSIG;
2403 vsi_cur->changed = 1;
2404 vsi_cur->next_vsi = NULL;
2408 /* NULL terminate head of VSI list */
2409 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
2412 /* free characteristic list */
2413 LIST_FOR_EACH_ENTRY_SAFE(del, dtmp,
2414 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
2415 ice_vsig_prof, list) {
2416 LIST_DEL(&del->list);
2424 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
2425 * @hw: pointer to the hardware structure
2428 * @vsig: destination VSI group
2430 * This function will move or add the input VSI to the target VSIG.
2431 * The function will find the original VSIG the VSI belongs to and
2432 * move the entry to the DEFAULT_VSIG, update the original VSIG and
2433 * then move entry to the new VSIG.
2436 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2438 struct ice_vsig_vsi *tmp;
2439 enum ice_status status;
2442 idx = vsig & ICE_VSIG_IDX_M;
2444 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2445 return ICE_ERR_PARAM;
2447 /* if VSIG not in use and VSIG is not default type this VSIG
2450 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
2451 vsig != ICE_DEFAULT_VSIG)
2452 return ICE_ERR_DOES_NOT_EXIST;
2454 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
2458 /* no update required if vsigs match */
2459 if (orig_vsig == vsig)
2462 if (orig_vsig != ICE_DEFAULT_VSIG) {
2463 /* remove entry from orig_vsig and add to default VSIG */
2464 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
2469 if (idx == ICE_DEFAULT_VSIG)
2472 /* Create VSI entry and add VSIG and prop_mask values */
2473 hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
2474 hw->blk[blk].xlt2.vsis[vsi].changed = 1;
2476 /* Add new entry to the head of the VSIG list */
2477 tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2478 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
2479 &hw->blk[blk].xlt2.vsis[vsi];
2480 hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
2481 hw->blk[blk].xlt2.t[vsi] = vsig;
2487 * ice_vsig_remove_vsi - remove VSI from VSIG
2488 * @hw: pointer to the hardware structure
2490 * @vsi: VSI to remove
2491 * @vsig: VSI group to remove from
2493 * The function will remove the input VSI from its VSI group and move it
2494 * to the DEFAULT_VSIG.
2497 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
2499 struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
2502 idx = vsig & ICE_VSIG_IDX_M;
2504 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
2505 return ICE_ERR_PARAM;
2507 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
2508 return ICE_ERR_DOES_NOT_EXIST;
2510 /* entry already in default VSIG, don't have to remove */
2511 if (idx == ICE_DEFAULT_VSIG)
2514 vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
2518 vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
2519 vsi_cur = (*vsi_head);
2521 /* iterate the VSI list, skip over the entry to be removed */
2523 if (vsi_tgt == vsi_cur) {
2524 (*vsi_head) = vsi_cur->next_vsi;
2527 vsi_head = &vsi_cur->next_vsi;
2528 vsi_cur = vsi_cur->next_vsi;
2531 /* verify if VSI was removed from group list */
2533 return ICE_ERR_DOES_NOT_EXIST;
2535 vsi_cur->vsig = ICE_DEFAULT_VSIG;
2536 vsi_cur->changed = 1;
2537 vsi_cur->next_vsi = NULL;
2543 * ice_find_prof_id - find profile ID for a given field vector
2544 * @hw: pointer to the hardware structure
2546 * @fv: field vector to search for
2547 * @prof_id: receives the profile ID
2549 static enum ice_status
2550 ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
2551 struct ice_fv_word *fv, u8 *prof_id)
2553 struct ice_es *es = &hw->blk[blk].es;
2556 for (i = 0; i < es->count; i++) {
2559 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
2566 return ICE_ERR_DOES_NOT_EXIST;
2570 * ice_prof_id_rsrc_type - get profile ID resource type for a block type
2571 * @blk: the block type
2572 * @rsrc_type: pointer to variable to receive the resource type
2574 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2578 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID;
2581 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID;
2584 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
2587 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
2590 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID;
2599 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
2600 * @blk: the block type
2601 * @rsrc_type: pointer to variable to receive the resource type
2603 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
2607 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM;
2610 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM;
2613 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
2616 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
2619 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM;
2628 * ice_alloc_tcam_ent - allocate hardware TCAM entry
2629 * @hw: pointer to the HW struct
2630 * @blk: the block to allocate the TCAM for
2631 * @tcam_idx: pointer to variable to receive the TCAM entry
2633 * This function allocates a new entry in a Profile ID TCAM for a specific
2636 static enum ice_status
2637 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
2641 if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2642 return ICE_ERR_PARAM;
2644 return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx);
2648 * ice_free_tcam_ent - free hardware TCAM entry
2649 * @hw: pointer to the HW struct
2650 * @blk: the block from which to free the TCAM entry
2651 * @tcam_idx: the TCAM entry to free
2653 * This function frees an entry in a Profile ID TCAM for a specific block.
2655 static enum ice_status
2656 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
2660 if (!ice_tcam_ent_rsrc_type(blk, &res_type))
2661 return ICE_ERR_PARAM;
2663 return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
2667 * ice_alloc_prof_id - allocate profile ID
2668 * @hw: pointer to the HW struct
2669 * @blk: the block to allocate the profile ID for
2670 * @prof_id: pointer to variable to receive the profile ID
2672 * This function allocates a new profile ID, which also corresponds to a Field
2673 * Vector (Extraction Sequence) entry.
2675 static enum ice_status
2676 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
2678 enum ice_status status;
2682 if (!ice_prof_id_rsrc_type(blk, &res_type))
2683 return ICE_ERR_PARAM;
2685 status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
2687 *prof_id = (u8)get_prof;
2693 * ice_free_prof_id - free profile ID
2694 * @hw: pointer to the HW struct
2695 * @blk: the block from which to free the profile ID
2696 * @prof_id: the profile ID to free
2698 * This function frees a profile ID, which also corresponds to a Field Vector.
2700 static enum ice_status
2701 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2703 u16 tmp_prof_id = (u16)prof_id;
2706 if (!ice_prof_id_rsrc_type(blk, &res_type))
2707 return ICE_ERR_PARAM;
2709 return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
2713 * ice_prof_inc_ref - increment reference count for profile
2714 * @hw: pointer to the HW struct
2715 * @blk: the block from which to free the profile ID
2716 * @prof_id: the profile ID for which to increment the reference count
2718 static enum ice_status
2719 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2721 if (prof_id > hw->blk[blk].es.count)
2722 return ICE_ERR_PARAM;
2724 hw->blk[blk].es.ref_count[prof_id]++;
2730 * ice_write_es - write an extraction sequence to hardware
2731 * @hw: pointer to the HW struct
2732 * @blk: the block in which to write the extraction sequence
2733 * @prof_id: the profile ID to write
2734 * @fv: pointer to the extraction sequence to write - NULL to clear extraction
2737 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
2738 struct ice_fv_word *fv)
2742 off = prof_id * hw->blk[blk].es.fvw;
2744 ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw *
2745 sizeof(*fv), ICE_NONDMA_MEM);
2746 hw->blk[blk].es.written[prof_id] = false;
2748 ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw *
2749 sizeof(*fv), ICE_NONDMA_TO_NONDMA);
2754 * ice_prof_dec_ref - decrement reference count for profile
2755 * @hw: pointer to the HW struct
2756 * @blk: the block from which to free the profile ID
2757 * @prof_id: the profile ID for which to decrement the reference count
2759 static enum ice_status
2760 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
2762 if (prof_id > hw->blk[blk].es.count)
2763 return ICE_ERR_PARAM;
2765 if (hw->blk[blk].es.ref_count[prof_id] > 0) {
2766 if (!--hw->blk[blk].es.ref_count[prof_id]) {
2767 ice_write_es(hw, blk, prof_id, NULL);
2768 return ice_free_prof_id(hw, blk, prof_id);
2775 /* Block / table section IDs */
2776 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
2780 ICE_SID_PROFID_TCAM_SW,
2781 ICE_SID_PROFID_REDIR_SW,
2788 ICE_SID_PROFID_TCAM_ACL,
2789 ICE_SID_PROFID_REDIR_ACL,
2796 ICE_SID_PROFID_TCAM_FD,
2797 ICE_SID_PROFID_REDIR_FD,
2804 ICE_SID_PROFID_TCAM_RSS,
2805 ICE_SID_PROFID_REDIR_RSS,
2812 ICE_SID_PROFID_TCAM_PE,
2813 ICE_SID_PROFID_REDIR_PE,
2819 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
2820 * @hw: pointer to the hardware structure
2821 * @blk: the HW block to initialize
2824 void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
2828 for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
2831 ptg = hw->blk[blk].xlt1.t[pt];
2832 if (ptg != ICE_DEFAULT_PTG) {
2833 ice_ptg_alloc_val(hw, blk, ptg);
2834 ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
2840 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
2841 * @hw: pointer to the hardware structure
2842 * @blk: the HW block to initialize
2844 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
2848 for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
2851 vsig = hw->blk[blk].xlt2.t[vsi];
2853 ice_vsig_alloc_val(hw, blk, vsig);
2854 ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
2855 /* no changes at this time, since this has been
2856 * initialized from the original package
2858 hw->blk[blk].xlt2.vsis[vsi].changed = 0;
2864 * ice_init_sw_db - init software database from HW tables
2865 * @hw: pointer to the hardware structure
2867 static void ice_init_sw_db(struct ice_hw *hw)
2871 for (i = 0; i < ICE_BLK_COUNT; i++) {
2872 ice_init_sw_xlt1_db(hw, (enum ice_block)i);
2873 ice_init_sw_xlt2_db(hw, (enum ice_block)i);
2878 * ice_fill_tbl - Reads content of a single table type into database
2879 * @hw: pointer to the hardware structure
2880 * @block_id: Block ID of the table to copy
2881 * @sid: Section ID of the table to copy
2883 * Will attempt to read the entire content of a given table of a single block
2884 * into the driver database. We assume that the buffer will always
2885 * be as large or larger than the data contained in the package. If
2886 * this condition is not met, there is most likely an error in the package
2889 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
2891 u32 dst_len, sect_len, offset = 0;
2892 struct ice_prof_redir_section *pr;
2893 struct ice_prof_id_section *pid;
2894 struct ice_xlt1_section *xlt1;
2895 struct ice_xlt2_section *xlt2;
2896 struct ice_sw_fv_section *es;
2897 struct ice_pkg_enum state;
2901 /* if the HW segment pointer is null then the first iteration of
2902 * ice_pkg_enum_section() will fail. In this case the Hw tables will
2903 * not be filled and return success.
2906 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
2910 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
2912 sect = ice_pkg_enum_section(hw->seg, &state, sid);
2916 case ICE_SID_XLT1_SW:
2917 case ICE_SID_XLT1_FD:
2918 case ICE_SID_XLT1_RSS:
2919 case ICE_SID_XLT1_ACL:
2920 case ICE_SID_XLT1_PE:
2921 xlt1 = (struct ice_xlt1_section *)sect;
2923 sect_len = LE16_TO_CPU(xlt1->count) *
2924 sizeof(*hw->blk[block_id].xlt1.t);
2925 dst = hw->blk[block_id].xlt1.t;
2926 dst_len = hw->blk[block_id].xlt1.count *
2927 sizeof(*hw->blk[block_id].xlt1.t);
2929 case ICE_SID_XLT2_SW:
2930 case ICE_SID_XLT2_FD:
2931 case ICE_SID_XLT2_RSS:
2932 case ICE_SID_XLT2_ACL:
2933 case ICE_SID_XLT2_PE:
2934 xlt2 = (struct ice_xlt2_section *)sect;
2935 src = (u8 *)xlt2->value;
2936 sect_len = LE16_TO_CPU(xlt2->count) *
2937 sizeof(*hw->blk[block_id].xlt2.t);
2938 dst = (u8 *)hw->blk[block_id].xlt2.t;
2939 dst_len = hw->blk[block_id].xlt2.count *
2940 sizeof(*hw->blk[block_id].xlt2.t);
2942 case ICE_SID_PROFID_TCAM_SW:
2943 case ICE_SID_PROFID_TCAM_FD:
2944 case ICE_SID_PROFID_TCAM_RSS:
2945 case ICE_SID_PROFID_TCAM_ACL:
2946 case ICE_SID_PROFID_TCAM_PE:
2947 pid = (struct ice_prof_id_section *)sect;
2948 src = (u8 *)pid->entry;
2949 sect_len = LE16_TO_CPU(pid->count) *
2950 sizeof(*hw->blk[block_id].prof.t);
2951 dst = (u8 *)hw->blk[block_id].prof.t;
2952 dst_len = hw->blk[block_id].prof.count *
2953 sizeof(*hw->blk[block_id].prof.t);
2955 case ICE_SID_PROFID_REDIR_SW:
2956 case ICE_SID_PROFID_REDIR_FD:
2957 case ICE_SID_PROFID_REDIR_RSS:
2958 case ICE_SID_PROFID_REDIR_ACL:
2959 case ICE_SID_PROFID_REDIR_PE:
2960 pr = (struct ice_prof_redir_section *)sect;
2961 src = pr->redir_value;
2962 sect_len = LE16_TO_CPU(pr->count) *
2963 sizeof(*hw->blk[block_id].prof_redir.t);
2964 dst = hw->blk[block_id].prof_redir.t;
2965 dst_len = hw->blk[block_id].prof_redir.count *
2966 sizeof(*hw->blk[block_id].prof_redir.t);
2968 case ICE_SID_FLD_VEC_SW:
2969 case ICE_SID_FLD_VEC_FD:
2970 case ICE_SID_FLD_VEC_RSS:
2971 case ICE_SID_FLD_VEC_ACL:
2972 case ICE_SID_FLD_VEC_PE:
2973 es = (struct ice_sw_fv_section *)sect;
2975 sect_len = (u32)(LE16_TO_CPU(es->count) *
2976 hw->blk[block_id].es.fvw) *
2977 sizeof(*hw->blk[block_id].es.t);
2978 dst = (u8 *)hw->blk[block_id].es.t;
2979 dst_len = (u32)(hw->blk[block_id].es.count *
2980 hw->blk[block_id].es.fvw) *
2981 sizeof(*hw->blk[block_id].es.t);
2987 /* if the section offset exceeds destination length, terminate
2990 if (offset > dst_len)
2993 /* if the sum of section size and offset exceed destination size
2994 * then we are out of bounds of the Hw table size for that PF.
2995 * Changing section length to fill the remaining table space
2998 if ((offset + sect_len) > dst_len)
2999 sect_len = dst_len - offset;
3001 ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA);
3003 sect = ice_pkg_enum_section(NULL, &state, sid);
3008 * ice_fill_blk_tbls - Read package context for tables
3009 * @hw: pointer to the hardware structure
3011 * Reads the current package contents and populates the driver
3012 * database with the data iteratively for all advanced feature
3013 * blocks. Assume that the Hw tables have been allocated.
3015 void ice_fill_blk_tbls(struct ice_hw *hw)
3019 for (i = 0; i < ICE_BLK_COUNT; i++) {
3020 enum ice_block blk_id = (enum ice_block)i;
3022 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
3023 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
3024 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
3025 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
3026 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
3033 * ice_free_flow_profs - free flow profile entries
3034 * @hw: pointer to the hardware structure
3035 * @blk_idx: HW block index
3037 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
3039 struct ice_flow_prof *p, *tmp;
3041 /* This call is being made as part of resource deallocation
3042 * during unload. Lock acquire and release will not be
3045 LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx],
3046 ice_flow_prof, l_entry) {
3047 struct ice_flow_entry *e, *t;
3049 LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries,
3050 ice_flow_entry, l_entry)
3051 ice_flow_rem_entry(hw, ICE_FLOW_ENTRY_HNDL(e));
3053 LIST_DEL(&p->l_entry);
3055 ice_free(hw, p->acts);
3059 /* if driver is in reset and tables are being cleared
3060 * re-initialize the flow profile list heads
3062 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3066 * ice_free_vsig_tbl - free complete VSIG table entries
3067 * @hw: pointer to the hardware structure
3068 * @blk: the HW block on which to free the VSIG table entries
3070 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
3074 if (!hw->blk[blk].xlt2.vsig_tbl)
3077 for (i = 1; i < ICE_MAX_VSIGS; i++)
3078 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
3079 ice_vsig_free(hw, blk, i);
3083 * ice_free_hw_tbls - free hardware table memory
3084 * @hw: pointer to the hardware structure
3086 void ice_free_hw_tbls(struct ice_hw *hw)
3088 struct ice_rss_cfg *r, *rt;
3091 for (i = 0; i < ICE_BLK_COUNT; i++) {
3092 if (hw->blk[i].is_list_init) {
3093 struct ice_es *es = &hw->blk[i].es;
3094 struct ice_prof_map *del, *tmp;
3096 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map,
3097 ice_prof_map, list) {
3098 LIST_DEL(&del->list);
3102 ice_destroy_lock(&es->prof_map_lock);
3103 ice_free_flow_profs(hw, i);
3104 ice_destroy_lock(&hw->fl_profs_locks[i]);
3105 hw->blk[i].is_list_init = false;
3107 ice_free_vsig_tbl(hw, (enum ice_block)i);
3108 ice_free(hw, hw->blk[i].xlt1.ptypes);
3109 ice_free(hw, hw->blk[i].xlt1.ptg_tbl);
3110 ice_free(hw, hw->blk[i].xlt1.t);
3111 ice_free(hw, hw->blk[i].xlt2.t);
3112 ice_free(hw, hw->blk[i].xlt2.vsig_tbl);
3113 ice_free(hw, hw->blk[i].xlt2.vsis);
3114 ice_free(hw, hw->blk[i].prof.t);
3115 ice_free(hw, hw->blk[i].prof_redir.t);
3116 ice_free(hw, hw->blk[i].es.t);
3117 ice_free(hw, hw->blk[i].es.ref_count);
3118 ice_free(hw, hw->blk[i].es.written);
3121 LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head,
3122 ice_rss_cfg, l_entry) {
3123 LIST_DEL(&r->l_entry);
3126 ice_destroy_lock(&hw->rss_locks);
3127 ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM);
3131 * ice_init_flow_profs - init flow profile locks and list heads
3132 * @hw: pointer to the hardware structure
3133 * @blk_idx: HW block index
3135 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx)
3137 ice_init_lock(&hw->fl_profs_locks[blk_idx]);
3138 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
3142 * ice_init_hw_tbls - init hardware table memory
3143 * @hw: pointer to the hardware structure
3145 enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
3149 ice_init_lock(&hw->rss_locks);
3150 INIT_LIST_HEAD(&hw->rss_list_head);
3151 for (i = 0; i < ICE_BLK_COUNT; i++) {
3152 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
3153 struct ice_prof_tcam *prof = &hw->blk[i].prof;
3154 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
3155 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
3156 struct ice_es *es = &hw->blk[i].es;
3159 if (hw->blk[i].is_list_init)
3162 ice_init_flow_profs(hw, i);
3163 ice_init_lock(&es->prof_map_lock);
3164 INIT_LIST_HEAD(&es->prof_map);
3165 hw->blk[i].is_list_init = true;
3167 hw->blk[i].overwrite = blk_sizes[i].overwrite;
3168 es->reverse = blk_sizes[i].reverse;
3170 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
3171 xlt1->count = blk_sizes[i].xlt1;
3173 xlt1->ptypes = (struct ice_ptg_ptype *)
3174 ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes));
3179 xlt1->ptg_tbl = (struct ice_ptg_entry *)
3180 ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl));
3185 xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t));
3189 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
3190 xlt2->count = blk_sizes[i].xlt2;
3192 xlt2->vsis = (struct ice_vsig_vsi *)
3193 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis));
3198 xlt2->vsig_tbl = (struct ice_vsig_entry *)
3199 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl));
3200 if (!xlt2->vsig_tbl)
3203 for (j = 0; j < xlt2->count; j++)
3204 INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
3206 xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t));
3210 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
3211 prof->count = blk_sizes[i].prof_tcam;
3212 prof->max_prof_id = blk_sizes[i].prof_id;
3213 prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
3214 prof->t = (struct ice_prof_tcam_entry *)
3215 ice_calloc(hw, prof->count, sizeof(*prof->t));
3220 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
3221 prof_redir->count = blk_sizes[i].prof_redir;
3222 prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count,
3223 sizeof(*prof_redir->t));
3228 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
3229 es->count = blk_sizes[i].es;
3230 es->fvw = blk_sizes[i].fvw;
3231 es->t = (struct ice_fv_word *)
3232 ice_calloc(hw, (u32)(es->count * es->fvw),
3237 es->ref_count = (u16 *)
3238 ice_calloc(hw, es->count, sizeof(*es->ref_count));
3240 es->written = (u8 *)
3241 ice_calloc(hw, es->count, sizeof(*es->written));
3249 ice_free_hw_tbls(hw);
3250 return ICE_ERR_NO_MEMORY;
3254 * ice_prof_gen_key - generate profile ID key
3255 * @hw: pointer to the HW struct
3256 * @blk: the block in which to write profile ID to
3257 * @ptg: packet type group (PTG) portion of key
3258 * @vsig: VSIG portion of key
3259 * @cdid: cdid portion of key
3260 * @flags: flag portion of key
3261 * @vl_msk: valid mask
3262 * @dc_msk: don't care mask
3263 * @nm_msk: never match mask
3264 * @key: output of profile ID key
3266 static enum ice_status
3267 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
3268 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3269 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
3270 u8 key[ICE_TCAM_KEY_SZ])
3272 struct ice_prof_id_key inkey;
3275 inkey.xlt2_cdid = CPU_TO_LE16(vsig);
3276 inkey.flags = CPU_TO_LE16(flags);
3278 switch (hw->blk[blk].prof.cdid_bits) {
3282 #define ICE_CD_2_M 0xC000U
3283 #define ICE_CD_2_S 14
3284 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M);
3285 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S);
3288 #define ICE_CD_4_M 0xF000U
3289 #define ICE_CD_4_S 12
3290 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M);
3291 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S);
3294 #define ICE_CD_8_M 0xFF00U
3295 #define ICE_CD_8_S 16
3296 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M);
3297 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S);
3300 ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
3304 return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
3305 nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
3309 * ice_tcam_write_entry - write TCAM entry
3310 * @hw: pointer to the HW struct
3311 * @blk: the block in which to write profile ID to
3312 * @idx: the entry index to write to
3313 * @prof_id: profile ID
3314 * @ptg: packet type group (PTG) portion of key
3315 * @vsig: VSIG portion of key
3316 * @cdid: cdid portion of key
3317 * @flags: flag portion of key
3318 * @vl_msk: valid mask
3319 * @dc_msk: don't care mask
3320 * @nm_msk: never match mask
3322 static enum ice_status
3323 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
3324 u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
3325 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
3326 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
3327 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
3329 struct ice_prof_tcam_entry;
3330 enum ice_status status;
3332 status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
3333 dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
3335 hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx);
3336 hw->blk[blk].prof.t[idx].prof_id = prof_id;
3343 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
3344 * @hw: pointer to the hardware structure
3346 * @vsig: VSIG to query
3347 * @refs: pointer to variable to receive the reference count
3349 static enum ice_status
3350 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
3352 u16 idx = vsig & ICE_VSIG_IDX_M;
3353 struct ice_vsig_vsi *ptr;
3356 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
3357 return ICE_ERR_DOES_NOT_EXIST;
3359 ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
3362 ptr = ptr->next_vsi;
3369 * ice_get_ptg - get or allocate a ptg for a ptype
3370 * @hw: pointer to the hardware structure
3372 * @ptype: the ptype to retrieve the PTG for
3373 * @ptg: receives the PTG of the ptype
3374 * @add: receive boolean indicating whether PTG was added or not
3376 static enum ice_status
3377 ice_get_ptg(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg,
3380 enum ice_status status;
3382 *ptg = ICE_DEFAULT_PTG;
3385 status = ice_ptg_find_ptype(hw, blk, ptype, ptg);
3389 if (*ptg == ICE_DEFAULT_PTG) {
3390 /* need to allocate a PTG, and add ptype to it */
3391 *ptg = ice_ptg_alloc(hw, blk);
3392 if (*ptg == ICE_DEFAULT_PTG)
3393 return ICE_ERR_HW_TABLE;
3395 status = ice_ptg_add_mv_ptype(hw, blk, ptype, *ptg);
3397 return ICE_ERR_HW_TABLE;
3406 * ice_has_prof_vsig - check to see if VSIG has a specific profile
3407 * @hw: pointer to the hardware structure
3409 * @vsig: VSIG to check against
3410 * @hdl: profile handle
3413 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
3415 u16 idx = vsig & ICE_VSIG_IDX_M;
3416 struct ice_vsig_prof *ent;
3418 LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
3419 ice_vsig_prof, list) {
3420 if (ent->profile_cookie == hdl)
3424 ice_debug(hw, ICE_DBG_INIT,
3425 "Characteristic list for VSI group %d not found.\n",
3431 * ice_prof_bld_es - build profile ID extraction sequence changes
3432 * @hw: pointer to the HW struct
3433 * @blk: hardware block
3434 * @bld: the update package buffer build to add to
3435 * @chgs: the list of changes to make in hardware
3437 static enum ice_status
3438 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
3439 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3441 u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
3442 struct ice_chs_chg *tmp;
3444 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3445 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
3446 u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
3447 struct ice_pkg_es *p;
3450 id = ice_sect_id(blk, ICE_VEC_TBL);
3451 p = (struct ice_pkg_es *)
3452 ice_pkg_buf_alloc_section(bld, id, sizeof(*p) +
3457 return ICE_ERR_MAX_LIMIT;
3459 p->count = CPU_TO_LE16(1);
3460 p->offset = CPU_TO_LE16(tmp->prof_id);
3462 ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size,
3463 ICE_NONDMA_TO_NONDMA);
3471 * ice_prof_bld_tcam - build profile ID TCAM changes
3472 * @hw: pointer to the HW struct
3473 * @blk: hardware block
3474 * @bld: the update package buffer build to add to
3475 * @chgs: the list of changes to make in hardware
3477 static enum ice_status
3478 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
3479 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs)
3481 struct ice_chs_chg *tmp;
3483 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3484 if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
3485 struct ice_prof_id_section *p;
3488 id = ice_sect_id(blk, ICE_PROF_TCAM);
3489 p = (struct ice_prof_id_section *)
3490 ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3493 return ICE_ERR_MAX_LIMIT;
3495 p->count = CPU_TO_LE16(1);
3496 p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx);
3497 p->entry[0].prof_id = tmp->prof_id;
3499 ice_memcpy(p->entry[0].key,
3500 &hw->blk[blk].prof.t[tmp->tcam_idx].key,
3501 sizeof(hw->blk[blk].prof.t->key),
3502 ICE_NONDMA_TO_NONDMA);
3510 * ice_prof_bld_xlt1 - build XLT1 changes
3511 * @blk: hardware block
3512 * @bld: the update package buffer build to add to
3513 * @chgs: the list of changes to make in hardware
3515 static enum ice_status
3516 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
3517 struct LIST_HEAD_TYPE *chgs)
3519 struct ice_chs_chg *tmp;
3521 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3522 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
3523 struct ice_xlt1_section *p;
3526 id = ice_sect_id(blk, ICE_XLT1);
3527 p = (struct ice_xlt1_section *)
3528 ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3531 return ICE_ERR_MAX_LIMIT;
3533 p->count = CPU_TO_LE16(1);
3534 p->offset = CPU_TO_LE16(tmp->ptype);
3535 p->value[0] = tmp->ptg;
3543 * ice_prof_bld_xlt2 - build XLT2 changes
3544 * @blk: hardware block
3545 * @bld: the update package buffer build to add to
3546 * @chgs: the list of changes to make in hardware
3548 static enum ice_status
3549 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
3550 struct LIST_HEAD_TYPE *chgs)
3552 struct ice_chs_chg *tmp;
3554 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3557 if (tmp->type == ICE_VSIG_ADD)
3559 else if (tmp->type == ICE_VSI_MOVE)
3561 else if (tmp->type == ICE_VSIG_REM)
3565 struct ice_xlt2_section *p;
3568 id = ice_sect_id(blk, ICE_XLT2);
3569 p = (struct ice_xlt2_section *)
3570 ice_pkg_buf_alloc_section(bld, id, sizeof(*p));
3573 return ICE_ERR_MAX_LIMIT;
3575 p->count = CPU_TO_LE16(1);
3576 p->offset = CPU_TO_LE16(tmp->vsi);
3577 p->value[0] = CPU_TO_LE16(tmp->vsig);
3585 * ice_upd_prof_hw - update hardware using the change list
3586 * @hw: pointer to the HW struct
3587 * @blk: hardware block
3588 * @chgs: the list of changes to make in hardware
3590 static enum ice_status
3591 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
3592 struct LIST_HEAD_TYPE *chgs)
3594 struct ice_buf_build *b;
3595 struct ice_chs_chg *tmp;
3596 enum ice_status status;
3604 /* count number of sections we need */
3605 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) {
3606 switch (tmp->type) {
3607 case ICE_PTG_ES_ADD:
3625 sects = xlt1 + xlt2 + tcam + es;
3630 /* Build update package buffer */
3631 b = ice_pkg_buf_alloc(hw);
3633 return ICE_ERR_NO_MEMORY;
3635 status = ice_pkg_buf_reserve_section(b, sects);
3639 /* Preserve order of table update: ES, TCAM, PTG, VSIG */
3641 status = ice_prof_bld_es(hw, blk, b, chgs);
3647 status = ice_prof_bld_tcam(hw, blk, b, chgs);
3653 status = ice_prof_bld_xlt1(blk, b, chgs);
3659 status = ice_prof_bld_xlt2(blk, b, chgs);
3664 /* After package buffer build check if the section count in buffer is
3665 * non-zero and matches the number of sections detected for package
3668 pkg_sects = ice_pkg_buf_get_active_sections(b);
3669 if (!pkg_sects || pkg_sects != sects) {
3670 status = ICE_ERR_INVAL_SIZE;
3674 /* update package */
3675 status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
3676 if (status == ICE_ERR_AQ_ERROR)
3677 ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile.");
3680 ice_pkg_buf_free(hw, b);
3685 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
3686 * @hw: pointer to the HW struct
3687 * @prof_id: profile ID
3688 * @mask_sel: mask select
3690 * This function enable any of the masks selected by the mask select parameter
3691 * for the profile specified.
3693 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
3695 wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
3697 ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
3698 GLQF_FDMASK_SEL(prof_id), mask_sel);
3701 #define ICE_SRC_DST_MAX_COUNT 8
3703 struct ice_fd_src_dst_pair {
3709 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
3710 /* These are defined in pairs */
3711 { ICE_PROT_IPV4_OF_OR_S, 2, 12 },
3712 { ICE_PROT_IPV4_OF_OR_S, 2, 16 },
3714 { ICE_PROT_IPV4_IL, 2, 12 },
3715 { ICE_PROT_IPV4_IL, 2, 16 },
3717 { ICE_PROT_IPV6_OF_OR_S, 8, 8 },
3718 { ICE_PROT_IPV6_OF_OR_S, 8, 24 },
3720 { ICE_PROT_IPV6_IL, 8, 8 },
3721 { ICE_PROT_IPV6_IL, 8, 24 },
3723 { ICE_PROT_TCP_IL, 1, 0 },
3724 { ICE_PROT_TCP_IL, 1, 2 },
3726 { ICE_PROT_UDP_OF, 1, 0 },
3727 { ICE_PROT_UDP_OF, 1, 2 },
3729 { ICE_PROT_UDP_IL_OR_S, 1, 0 },
3730 { ICE_PROT_UDP_IL_OR_S, 1, 2 },
3732 { ICE_PROT_SCTP_IL, 1, 0 },
3733 { ICE_PROT_SCTP_IL, 1, 2 }
3736 #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs)
3739 * ice_update_fd_swap - set register appropriately for a FD FV extraction
3740 * @hw: pointer to the HW struct
3741 * @prof_id: profile ID
3742 * @es: extraction sequence (length of array is determined by the block)
3744 static enum ice_status
3745 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
3747 ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
3748 u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
3749 #define ICE_FD_FV_NOT_FOUND (-2)
3750 s8 first_free = ICE_FD_FV_NOT_FOUND;
3751 u8 used[ICE_MAX_FV_WORDS] = { 0 };
3756 ice_memset(pair_list, 0, sizeof(pair_list), ICE_NONDMA_MEM);
3758 ice_init_fd_mask_regs(hw);
3760 /* This code assumes that the Flow Director field vectors are assigned
3761 * from the end of the FV indexes working towards the zero index, that
3762 * only complete fields will be included and will be consecutive, and
3763 * that there are no gaps between valid indexes.
3766 /* Determine swap fields present */
3767 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
3768 /* Find the first free entry, assuming right to left population.
3769 * This is where we can start adding additional pairs if needed.
3771 if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
3775 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
3776 if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
3777 es[i].off == ice_fd_pairs[j].off) {
3778 ice_set_bit(j, pair_list);
3784 orig_free = first_free;
3786 /* determine missing swap fields that need to be added */
3787 for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
3788 u8 bit1 = ice_is_bit_set(pair_list, i + 1);
3789 u8 bit0 = ice_is_bit_set(pair_list, i);
3794 /* add the appropriate 'paired' entry */
3800 /* check for room */
3801 if (first_free + 1 < ice_fd_pairs[index].count)
3802 return ICE_ERR_MAX_LIMIT;
3804 /* place in extraction sequence */
3805 for (k = 0; k < ice_fd_pairs[index].count; k++) {
3806 es[first_free - k].prot_id =
3807 ice_fd_pairs[index].prot_id;
3808 es[first_free - k].off =
3809 ice_fd_pairs[index].off + (k * 2);
3811 /* keep track of non-relevant fields */
3812 mask_sel |= 1 << (first_free - k);
3815 pair_start[index] = first_free;
3816 first_free -= ice_fd_pairs[index].count;
3820 /* fill in the swap array */
3821 si = hw->blk[ICE_BLK_FD].es.fvw - 1;
3823 u8 indexes_used = 1;
3825 /* assume flat at this index */
3826 #define ICE_SWAP_VALID 0x80
3827 used[si] = si | ICE_SWAP_VALID;
3829 if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
3834 /* check for a swap location */
3835 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) {
3836 if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
3837 es[si].off == ice_fd_pairs[j].off) {
3840 /* determine the appropriate matching field */
3841 idx = j + ((j % 2) ? -1 : 1);
3843 indexes_used = ice_fd_pairs[idx].count;
3844 for (k = 0; k < indexes_used; k++) {
3845 used[si - k] = (pair_start[idx] - k) |
3856 /* for each set of 4 swap indexes, write the appropriate register */
3857 for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
3860 for (k = 0; k < 4; k++) {
3865 raw_entry |= used[idx] << (k * 8);
3868 /* write the appropriate register set, based on HW block */
3869 wr32(hw, GLQF_FDSWAP(prof_id, j), raw_entry);
3871 ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %x\n",
3872 prof_id, j, GLQF_FDSWAP(prof_id, j), raw_entry);
3875 /* update the masks for this profile to be sure we ignore fields that
3876 * are not relevant to our match criteria
3878 ice_update_fd_mask(hw, prof_id, mask_sel);
3884 * ice_add_prof - add profile
3885 * @hw: pointer to the HW struct
3886 * @blk: hardware block
3887 * @id: profile tracking ID
3888 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
3889 * @es: extraction sequence (length of array is determined by the block)
3891 * This function registers a profile, which matches a set of PTYPES with a
3892 * particular extraction sequence. While the hardware profile is allocated
3893 * it will not be written until the first call to ice_add_flow that specifies
3894 * the ID value used here.
3897 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
3898 struct ice_fv_word *es)
3900 u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
3901 struct ice_prof_map *prof;
3902 enum ice_status status;
3906 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
3908 /* search for existing profile */
3909 status = ice_find_prof_id(hw, blk, es, &prof_id);
3911 /* allocate profile ID */
3912 status = ice_alloc_prof_id(hw, blk, &prof_id);
3914 goto err_ice_add_prof;
3915 if (blk == ICE_BLK_FD) {
3916 /* For Flow Director block, the extraction sequence may
3917 * need to be altered in the case where there are paired
3918 * fields that have no match. This is necessary because
3919 * for Flow Director, src and dest fields need to paired
3920 * for filter programming and these values are swapped
3923 status = ice_update_fd_swap(hw, prof_id, es);
3925 goto err_ice_add_prof;
3928 /* and write new es */
3929 ice_write_es(hw, blk, prof_id, es);
3932 ice_prof_inc_ref(hw, blk, prof_id);
3934 /* add profile info */
3936 prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof));
3938 goto err_ice_add_prof;
3940 prof->profile_cookie = id;
3941 prof->prof_id = prof_id;
3942 prof->ptype_count = 0;
3945 /* build list of ptgs */
3946 while (bytes && prof->ptype_count < ICE_MAX_PTYPE_PER_PROFILE) {
3949 if (!ptypes[byte]) {
3954 /* Examine 8 bits per byte */
3955 for (bit = 0; bit < 8; bit++) {
3956 if (ptypes[byte] & 1 << bit) {
3960 ptype = byte * 8 + bit;
3961 if (ptype < ICE_FLOW_PTYPE_MAX) {
3962 prof->ptype[prof->ptype_count] = ptype;
3964 if (++prof->ptype_count >=
3965 ICE_MAX_PTYPE_PER_PROFILE)
3969 /* nothing left in byte, then exit */
3970 m = ~((1 << (bit + 1)) - 1);
3971 if (!(ptypes[byte] & m))
3980 LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map);
3981 status = ICE_SUCCESS;
3984 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
3989 * ice_search_prof_id_low - Search for a profile tracking ID low level
3990 * @hw: pointer to the HW struct
3991 * @blk: hardware block
3992 * @id: profile tracking ID
3994 * This will search for a profile tracking ID which was previously added. This
3995 * version assumes that the caller has already acquired the prof map lock.
3997 static struct ice_prof_map *
3998 ice_search_prof_id_low(struct ice_hw *hw, enum ice_block blk, u64 id)
4000 struct ice_prof_map *entry = NULL;
4001 struct ice_prof_map *map;
4003 LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map,
4005 if (map->profile_cookie == id) {
4015 * ice_search_prof_id - Search for a profile tracking ID
4016 * @hw: pointer to the HW struct
4017 * @blk: hardware block
4018 * @id: profile tracking ID
4020 * This will search for a profile tracking ID which was previously added.
4022 struct ice_prof_map *
4023 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
4025 struct ice_prof_map *entry;
4027 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4028 entry = ice_search_prof_id_low(hw, blk, id);
4029 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4035 * ice_set_prof_context - Set context for a given profile
4036 * @hw: pointer to the HW struct
4037 * @blk: hardware block
4038 * @id: profile tracking ID
4041 struct ice_prof_map *
4042 ice_set_prof_context(struct ice_hw *hw, enum ice_block blk, u64 id, u64 cntxt)
4044 struct ice_prof_map *entry;
4046 entry = ice_search_prof_id(hw, blk, id);
4048 entry->context = cntxt;
4054 * ice_get_prof_context - Get context for a given profile
4055 * @hw: pointer to the HW struct
4056 * @blk: hardware block
4057 * @id: profile tracking ID
4058 * @cntxt: pointer to variable to receive the context
4060 struct ice_prof_map *
4061 ice_get_prof_context(struct ice_hw *hw, enum ice_block blk, u64 id, u64 *cntxt)
4063 struct ice_prof_map *entry;
4065 entry = ice_search_prof_id(hw, blk, id);
4067 *cntxt = entry->context;
4073 * ice_vsig_prof_id_count - count profiles in a VSIG
4074 * @hw: pointer to the HW struct
4075 * @blk: hardware block
4076 * @vsig: VSIG to remove the profile from
4079 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
4081 u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
4082 struct ice_vsig_prof *p;
4084 LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4085 ice_vsig_prof, list) {
4093 * ice_rel_tcam_idx - release a TCAM index
4094 * @hw: pointer to the HW struct
4095 * @blk: hardware block
4096 * @idx: the index to release
4098 static enum ice_status
4099 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
4101 /* Masks to invoke a never match entry */
4102 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4103 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
4104 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4105 enum ice_status status;
4107 /* write the TCAM entry */
4108 status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
4113 /* release the TCAM entry */
4114 status = ice_free_tcam_ent(hw, blk, idx);
4120 * ice_rem_prof_id - remove one profile from a VSIG
4121 * @hw: pointer to the HW struct
4122 * @blk: hardware block
4123 * @prof: pointer to profile structure to remove
4125 static enum ice_status
4126 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
4127 struct ice_vsig_prof *prof)
4129 enum ice_status status;
4132 for (i = 0; i < prof->tcam_count; i++) {
4133 prof->tcam[i].in_use = false;
4134 status = ice_rel_tcam_idx(hw, blk, prof->tcam[i].tcam_idx);
4136 return ICE_ERR_HW_TABLE;
4143 * ice_rem_vsig - remove VSIG
4144 * @hw: pointer to the HW struct
4145 * @blk: hardware block
4146 * @vsig: the VSIG to remove
4147 * @chg: the change list
4149 static enum ice_status
4150 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4151 struct LIST_HEAD_TYPE *chg)
4153 u16 idx = vsig & ICE_VSIG_IDX_M;
4154 struct ice_vsig_vsi *vsi_cur;
4155 struct ice_vsig_prof *d, *t;
4156 enum ice_status status;
4158 /* remove TCAM entries */
4159 LIST_FOR_EACH_ENTRY_SAFE(d, t,
4160 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4161 ice_vsig_prof, list) {
4162 status = ice_rem_prof_id(hw, blk, d);
4170 /* Move all VSIS associated with this VSIG to the default VSIG */
4171 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
4172 /* If the VSIG has at least 1 VSI then iterate through the list
4173 * and remove the VSIs before deleting the group.
4177 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
4178 struct ice_chs_chg *p;
4180 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4182 return ICE_ERR_NO_MEMORY;
4184 p->type = ICE_VSIG_REM;
4185 p->orig_vsig = vsig;
4186 p->vsig = ICE_DEFAULT_VSIG;
4187 p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
4189 LIST_ADD(&p->list_entry, chg);
4195 status = ice_vsig_free(hw, blk, vsig);
4201 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
4202 * @hw: pointer to the HW struct
4203 * @blk: hardware block
4204 * @vsig: VSIG to remove the profile from
4205 * @hdl: profile handle indicating which profile to remove
4206 * @chg: list to receive a record of changes
4208 static enum ice_status
4209 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
4210 struct LIST_HEAD_TYPE *chg)
4212 u16 idx = vsig & ICE_VSIG_IDX_M;
4213 struct ice_vsig_prof *p, *t;
4214 enum ice_status status;
4216 LIST_FOR_EACH_ENTRY_SAFE(p, t,
4217 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4218 ice_vsig_prof, list) {
4219 if (p->profile_cookie == hdl) {
4220 if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
4221 /* this is the last profile, remove the VSIG */
4222 return ice_rem_vsig(hw, blk, vsig, chg);
4224 status = ice_rem_prof_id(hw, blk, p);
4233 return ICE_ERR_DOES_NOT_EXIST;
4237 * ice_rem_flow_all - remove all flows with a particular profile
4238 * @hw: pointer to the HW struct
4239 * @blk: hardware block
4240 * @id: profile tracking ID
4242 static enum ice_status
4243 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
4245 struct ice_chs_chg *del, *tmp;
4246 struct LIST_HEAD_TYPE chg;
4247 enum ice_status status;
4250 INIT_LIST_HEAD(&chg);
4252 for (i = 1; i < ICE_MAX_VSIGS; i++) {
4253 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
4254 if (ice_has_prof_vsig(hw, blk, i, id)) {
4255 status = ice_rem_prof_id_vsig(hw, blk, i, id,
4258 goto err_ice_rem_flow_all;
4263 status = ice_upd_prof_hw(hw, blk, &chg);
4265 err_ice_rem_flow_all:
4266 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
4267 LIST_DEL(&del->list_entry);
4275 * ice_rem_prof - remove profile
4276 * @hw: pointer to the HW struct
4277 * @blk: hardware block
4278 * @id: profile tracking ID
4280 * This will remove the profile specified by the ID parameter, which was
4281 * previously created through ice_add_prof. If any existing entries
4282 * are associated with this profile, they will be removed as well.
4284 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
4286 struct ice_prof_map *pmap;
4287 enum ice_status status;
4289 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
4291 pmap = ice_search_prof_id_low(hw, blk, id);
4293 status = ICE_ERR_DOES_NOT_EXIST;
4294 goto err_ice_rem_prof;
4297 /* remove all flows with this profile */
4298 status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
4300 goto err_ice_rem_prof;
4302 /* dereference profile, and possibly remove */
4303 ice_prof_dec_ref(hw, blk, pmap->prof_id);
4305 LIST_DEL(&pmap->list);
4308 status = ICE_SUCCESS;
4311 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
4316 * ice_get_prof_ptgs - get ptgs for profile
4317 * @hw: pointer to the HW struct
4318 * @blk: hardware block
4319 * @hdl: profile handle
4322 static enum ice_status
4323 ice_get_prof_ptgs(struct ice_hw *hw, enum ice_block blk, u64 hdl,
4324 struct LIST_HEAD_TYPE *chg)
4326 struct ice_prof_map *map;
4327 struct ice_chs_chg *p;
4330 /* Get the details on the profile specified by the handle ID */
4331 map = ice_search_prof_id(hw, blk, hdl);
4333 return ICE_ERR_DOES_NOT_EXIST;
4335 for (i = 0; i < map->ptype_count; i++) {
4336 enum ice_status status;
4340 status = ice_get_ptg(hw, blk, map->ptype[i], &ptg, &add);
4342 goto err_ice_get_prof_ptgs;
4344 if (add || !hw->blk[blk].es.written[map->prof_id]) {
4345 /* add PTG to change list */
4346 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4348 goto err_ice_get_prof_ptgs;
4350 p->type = ICE_PTG_ES_ADD;
4351 p->ptype = map->ptype[i];
4355 p->add_prof = !hw->blk[blk].es.written[map->prof_id];
4356 p->prof_id = map->prof_id;
4358 hw->blk[blk].es.written[map->prof_id] = true;
4360 LIST_ADD(&p->list_entry, chg);
4366 err_ice_get_prof_ptgs:
4367 /* let caller clean up the change list */
4368 return ICE_ERR_NO_MEMORY;
4372 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
4373 * @hw: pointer to the HW struct
4374 * @blk: hardware block
4375 * @vsig: VSIG from which to copy the list
4378 * This routine makes a copy of the list of profiles in the specified VSIG.
4380 static enum ice_status
4381 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4382 struct LIST_HEAD_TYPE *lst)
4384 struct ice_vsig_prof *ent1, *ent2;
4385 u16 idx = vsig & ICE_VSIG_IDX_M;
4387 LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4388 ice_vsig_prof, list) {
4389 struct ice_vsig_prof *p;
4391 /* copy to the input list */
4392 p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
4394 goto err_ice_get_profs_vsig;
4396 ice_memcpy(p, ent1, sizeof(*p), ICE_NONDMA_TO_NONDMA);
4398 LIST_ADD_TAIL(&p->list, lst);
4403 err_ice_get_profs_vsig:
4404 LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) {
4405 LIST_DEL(&ent1->list);
4409 return ICE_ERR_NO_MEMORY;
4413 * ice_add_prof_to_lst - add profile entry to a list
4414 * @hw: pointer to the HW struct
4415 * @blk: hardware block
4416 * @lst: the list to be added to
4417 * @hdl: profile handle of entry to add
4419 static enum ice_status
4420 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
4421 struct LIST_HEAD_TYPE *lst, u64 hdl)
4423 struct ice_vsig_prof *p;
4424 struct ice_prof_map *map;
4427 map = ice_search_prof_id(hw, blk, hdl);
4429 return ICE_ERR_DOES_NOT_EXIST;
4431 p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p));
4433 return ICE_ERR_NO_MEMORY;
4435 p->profile_cookie = map->profile_cookie;
4436 p->prof_id = map->prof_id;
4437 p->tcam_count = map->ptype_count;
4439 for (i = 0; i < map->ptype_count; i++) {
4442 p->tcam[i].prof_id = map->prof_id;
4443 p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
4445 ice_ptg_find_ptype(hw, blk, map->ptype[i], &ptg);
4447 p->tcam[i].ptg = ptg;
4450 LIST_ADD(&p->list, lst);
4456 * ice_move_vsi - move VSI to another VSIG
4457 * @hw: pointer to the HW struct
4458 * @blk: hardware block
4459 * @vsi: the VSI to move
4460 * @vsig: the VSIG to move the VSI to
4461 * @chg: the change list
4463 static enum ice_status
4464 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
4465 struct LIST_HEAD_TYPE *chg)
4467 enum ice_status status;
4468 struct ice_chs_chg *p;
4471 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4473 return ICE_ERR_NO_MEMORY;
4475 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
4477 status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
4483 p->type = ICE_VSI_MOVE;
4485 p->orig_vsig = orig_vsig;
4488 LIST_ADD(&p->list_entry, chg);
4494 * ice_prof_tcam_ena_dis - add enable or disable TCAM change
4495 * @hw: pointer to the HW struct
4496 * @blk: hardware block
4497 * @enable: true to enable, false to disable
4498 * @vsig: the vsig of the TCAM entry
4499 * @tcam: pointer the TCAM info structure of the TCAM to disable
4500 * @chg: the change list
4502 * This function appends an enable or disable TCAM entry in the change log
4504 static enum ice_status
4505 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
4506 u16 vsig, struct ice_tcam_inf *tcam,
4507 struct LIST_HEAD_TYPE *chg)
4509 enum ice_status status;
4510 struct ice_chs_chg *p;
4512 /* Default: enable means change the low flag bit to don't care */
4513 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4514 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
4515 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
4517 /* If disabled, change the low flag bit to never match */
4523 /* add TCAM to change list */
4524 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4526 return ICE_ERR_NO_MEMORY;
4528 status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
4529 tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
4532 goto err_ice_prof_tcam_ena_dis;
4534 tcam->in_use = enable;
4536 p->type = ICE_TCAM_ADD;
4537 p->add_tcam_idx = true;
4538 p->prof_id = tcam->prof_id;
4541 p->tcam_idx = tcam->tcam_idx;
4544 LIST_ADD(&p->list_entry, chg);
4548 err_ice_prof_tcam_ena_dis:
4554 * ice_adj_prof_priorities - adjust profile based on priorities
4555 * @hw: pointer to the HW struct
4556 * @blk: hardware block
4557 * @vsig: the VSIG for which to adjust profile priorities
4558 * @chg: the change list
4560 static enum ice_status
4561 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
4562 struct LIST_HEAD_TYPE *chg)
4564 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT);
4565 struct ice_vsig_prof *t;
4566 enum ice_status status;
4569 ice_memset(ptgs_used, 0, sizeof(ptgs_used), ICE_NONDMA_MEM);
4570 idx = vsig & ICE_VSIG_IDX_M;
4572 /* Priority is based on the order in which the profiles are added. The
4573 * newest added profile has highest priority and the oldest added
4574 * profile has the lowest priority. Since the profile property list for
4575 * a VSIG is sorted from newest to oldest, this code traverses the list
4576 * in order and enables the first of each PTG that it finds (that is not
4577 * already enabled); it also disables any duplicate PTGs that it finds
4578 * in the older profiles (that are currently enabled).
4581 LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
4582 ice_vsig_prof, list) {
4585 for (i = 0; i < t->tcam_count; i++) {
4586 /* Scan the priorities from newest to oldest.
4587 * Make sure that the newest profiles take priority.
4589 if (ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
4590 t->tcam[i].in_use) {
4591 /* need to mark this PTG as never match, as it
4592 * was already in use and therefore duplicate
4593 * (and lower priority)
4595 status = ice_prof_tcam_ena_dis(hw, blk, false,
4601 } else if (!ice_is_bit_set(ptgs_used, t->tcam[i].ptg) &&
4602 !t->tcam[i].in_use) {
4603 /* need to enable this PTG, as it in not in use
4604 * and not enabled (highest priority)
4606 status = ice_prof_tcam_ena_dis(hw, blk, true,
4614 /* keep track of used ptgs */
4615 ice_set_bit(t->tcam[i].ptg, ptgs_used);
4623 * ice_add_prof_id_vsig - add profile to VSIG
4624 * @hw: pointer to the HW struct
4625 * @blk: hardware block
4626 * @vsig: the VSIG to which this profile is to be added
4627 * @hdl: the profile handle indicating the profile to add
4628 * @chg: the change list
4630 static enum ice_status
4631 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
4632 struct LIST_HEAD_TYPE *chg)
4634 /* Masks that ignore flags */
4635 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4636 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
4637 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
4638 struct ice_prof_map *map;
4639 struct ice_vsig_prof *t;
4640 struct ice_chs_chg *p;
4643 /* Get the details on the profile specified by the handle ID */
4644 map = ice_search_prof_id(hw, blk, hdl);
4646 return ICE_ERR_DOES_NOT_EXIST;
4648 /* Error, if this VSIG already has this profile */
4649 if (ice_has_prof_vsig(hw, blk, vsig, hdl))
4650 return ICE_ERR_ALREADY_EXISTS;
4652 /* new VSIG profile structure */
4653 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
4655 goto err_ice_add_prof_id_vsig;
4657 t->profile_cookie = map->profile_cookie;
4658 t->prof_id = map->prof_id;
4659 t->tcam_count = map->ptype_count;
4661 /* create TCAM entries */
4662 for (i = 0; i < map->ptype_count; i++) {
4663 enum ice_status status;
4668 /* If properly sequenced, we should never have to allocate new
4671 status = ice_get_ptg(hw, blk, map->ptype[i], &ptg, &add);
4673 goto err_ice_add_prof_id_vsig;
4675 /* add TCAM to change list */
4676 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4678 goto err_ice_add_prof_id_vsig;
4680 /* allocate the TCAM entry index */
4681 status = ice_alloc_tcam_ent(hw, blk, &tcam_idx);
4684 goto err_ice_add_prof_id_vsig;
4687 t->tcam[i].ptg = ptg;
4688 t->tcam[i].prof_id = map->prof_id;
4689 t->tcam[i].tcam_idx = tcam_idx;
4690 t->tcam[i].in_use = true;
4692 p->type = ICE_TCAM_ADD;
4693 p->add_tcam_idx = true;
4694 p->prof_id = t->tcam[i].prof_id;
4695 p->ptg = t->tcam[i].ptg;
4697 p->tcam_idx = t->tcam[i].tcam_idx;
4699 /* write the TCAM entry */
4700 status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
4702 t->tcam[i].ptg, vsig, 0, 0,
4703 vl_msk, dc_msk, nm_msk);
4705 goto err_ice_add_prof_id_vsig;
4708 LIST_ADD(&p->list_entry, chg);
4711 /* add profile to VSIG */
4713 &hw->blk[blk].xlt2.vsig_tbl[(vsig & ICE_VSIG_IDX_M)].prop_lst);
4717 err_ice_add_prof_id_vsig:
4718 /* let caller clean up the change list */
4720 return ICE_ERR_NO_MEMORY;
4724 * ice_create_prof_id_vsig - add a new VSIG with a single profile
4725 * @hw: pointer to the HW struct
4726 * @blk: hardware block
4727 * @vsi: the initial VSI that will be in VSIG
4728 * @hdl: the profile handle of the profile that will be added to the VSIG
4729 * @chg: the change list
4731 static enum ice_status
4732 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
4733 struct LIST_HEAD_TYPE *chg)
4735 enum ice_status status;
4736 struct ice_chs_chg *p;
4739 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p));
4741 return ICE_ERR_NO_MEMORY;
4743 new_vsig = ice_vsig_alloc(hw, blk);
4745 status = ICE_ERR_HW_TABLE;
4746 goto err_ice_create_prof_id_vsig;
4749 status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
4751 goto err_ice_create_prof_id_vsig;
4753 status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, chg);
4755 goto err_ice_create_prof_id_vsig;
4757 p->type = ICE_VSIG_ADD;
4759 p->orig_vsig = ICE_DEFAULT_VSIG;
4762 LIST_ADD(&p->list_entry, chg);
4766 err_ice_create_prof_id_vsig:
4767 /* let caller clean up the change list */
4773 * ice_create_vsig_from_list - create a new VSIG with a list of profiles
4774 * @hw: pointer to the HW struct
4775 * @blk: hardware block
4776 * @vsi: the initial VSI that will be in VSIG
4777 * @lst: the list of profile that will be added to the VSIG
4778 * @chg: the change list
4780 static enum ice_status
4781 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
4782 struct LIST_HEAD_TYPE *lst, struct LIST_HEAD_TYPE *chg)
4784 struct ice_vsig_prof *t;
4785 enum ice_status status;
4788 vsig = ice_vsig_alloc(hw, blk);
4790 return ICE_ERR_HW_TABLE;
4792 status = ice_move_vsi(hw, blk, vsi, vsig, chg);
4796 LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) {
4797 status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
4807 * ice_find_prof_vsig - find a VSIG with a specific profile handle
4808 * @hw: pointer to the HW struct
4809 * @blk: hardware block
4810 * @hdl: the profile handle of the profile to search for
4811 * @vsig: returns the VSIG with the matching profile
4814 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
4816 struct ice_vsig_prof *t;
4817 struct LIST_HEAD_TYPE lst;
4818 enum ice_status status;
4820 INIT_LIST_HEAD(&lst);
4822 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t));
4826 t->profile_cookie = hdl;
4827 LIST_ADD(&t->list, &lst);
4829 status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
4834 return status == ICE_SUCCESS;
4838 * ice_add_prof_id_flow - add profile flow
4839 * @hw: pointer to the HW struct
4840 * @blk: hardware block
4841 * @vsi: the VSI to enable with the profile specified by ID
4842 * @hdl: profile handle
4844 * Calling this function will update the hardware tables to enable the
4845 * profile indicated by the ID parameter for the VSIs specified in the VSI
4846 * array. Once successfully called, the flow will be enabled.
4849 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
4851 struct ice_vsig_prof *tmp1, *del1;
4852 struct LIST_HEAD_TYPE union_lst;
4853 struct ice_chs_chg *tmp, *del;
4854 struct LIST_HEAD_TYPE chrs;
4855 struct LIST_HEAD_TYPE chg;
4856 enum ice_status status;
4857 u16 vsig, or_vsig = 0;
4859 INIT_LIST_HEAD(&union_lst);
4860 INIT_LIST_HEAD(&chrs);
4861 INIT_LIST_HEAD(&chg);
4863 status = ice_get_prof_ptgs(hw, blk, hdl, &chg);
4867 /* determine if VSI is already part of a VSIG */
4868 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
4869 if (!status && vsig) {
4876 /* make sure that there is no overlap/conflict between the new
4877 * characteristics and the existing ones; we don't support that
4880 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
4881 status = ICE_ERR_ALREADY_EXISTS;
4882 goto err_ice_add_prof_id_flow;
4885 /* last VSI in the VSIG? */
4886 status = ice_vsig_get_ref(hw, blk, vsig, &ref);
4888 goto err_ice_add_prof_id_flow;
4889 only_vsi = (ref == 1);
4891 /* create a union of the current profiles and the one being
4894 status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
4896 goto err_ice_add_prof_id_flow;
4898 status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
4900 goto err_ice_add_prof_id_flow;
4902 /* search for an existing VSIG with an exact charc match */
4903 status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
4905 /* move VSI to the VSIG that matches */
4906 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
4908 goto err_ice_add_prof_id_flow;
4910 /* VSI has been moved out of or_vsig. If the or_vsig had
4911 * only that VSI it is now empty and can be removed.
4914 status = ice_rem_vsig(hw, blk, or_vsig, &chg);
4916 goto err_ice_add_prof_id_flow;
4918 } else if (only_vsi) {
4919 /* If the original VSIG only contains one VSI, then it
4920 * will be the requesting VSI. In this case the VSI is
4921 * not sharing entries and we can simply add the new
4922 * profile to the VSIG.
4924 status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, &chg);
4926 goto err_ice_add_prof_id_flow;
4928 /* Adjust priorities */
4929 status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
4931 goto err_ice_add_prof_id_flow;
4933 /* No match, so we need a new VSIG */
4934 status = ice_create_vsig_from_lst(hw, blk, vsi,
4937 goto err_ice_add_prof_id_flow;
4939 /* Adjust priorities */
4940 status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
4942 goto err_ice_add_prof_id_flow;
4945 /* need to find or add a VSIG */
4946 /* search for an existing VSIG with an exact charc match */
4947 if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
4948 /* found an exact match */
4949 /* add or move VSI to the VSIG that matches */
4950 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
4952 goto err_ice_add_prof_id_flow;
4954 /* we did not find an exact match */
4955 /* we need to add a VSIG */
4956 status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
4959 goto err_ice_add_prof_id_flow;
4963 /* update hardware */
4965 status = ice_upd_prof_hw(hw, blk, &chg);
4967 err_ice_add_prof_id_flow:
4968 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
4969 LIST_DEL(&del->list_entry);
4973 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) {
4974 LIST_DEL(&del1->list);
4978 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &chrs, ice_vsig_prof, list) {
4979 LIST_DEL(&del1->list);
4987 * ice_add_flow - add flow
4988 * @hw: pointer to the HW struct
4989 * @blk: hardware block
4990 * @vsi: array of VSIs to enable with the profile specified by ID
4991 * @count: number of elements in the VSI array
4992 * @id: profile tracking ID
4994 * Calling this function will update the hardware tables to enable the
4995 * profile indicated by the ID parameter for the VSIs specified in the VSI
4996 * array. Once successfully called, the flow will be enabled.
4999 ice_add_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi[], u8 count,
5002 enum ice_status status;
5005 for (i = 0; i < count; i++) {
5006 status = ice_add_prof_id_flow(hw, blk, vsi[i], id);
5015 * ice_rem_prof_from_list - remove a profile from list
5016 * @hw: pointer to the HW struct
5017 * @lst: list to remove the profile from
5018 * @hdl: the profile handle indicating the profile to remove
5020 static enum ice_status
5021 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl)
5023 struct ice_vsig_prof *ent, *tmp;
5025 LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) {
5026 if (ent->profile_cookie == hdl) {
5027 LIST_DEL(&ent->list);
5033 return ICE_ERR_DOES_NOT_EXIST;
5037 * ice_rem_prof_id_flow - remove flow
5038 * @hw: pointer to the HW struct
5039 * @blk: hardware block
5040 * @vsi: the VSI from which to remove the profile specified by ID
5041 * @hdl: profile tracking handle
5043 * Calling this function will update the hardware tables to remove the
5044 * profile indicated by the ID parameter for the VSIs specified in the VSI
5045 * array. Once successfully called, the flow will be disabled.
5048 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
5050 struct ice_vsig_prof *tmp1, *del1;
5051 struct LIST_HEAD_TYPE chg, copy;
5052 struct ice_chs_chg *tmp, *del;
5053 enum ice_status status;
5056 INIT_LIST_HEAD(©);
5057 INIT_LIST_HEAD(&chg);
5059 /* determine if VSI is already part of a VSIG */
5060 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
5061 if (!status && vsig) {
5067 last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
5068 status = ice_vsig_get_ref(hw, blk, vsig, &ref);
5070 goto err_ice_rem_prof_id_flow;
5071 only_vsi = (ref == 1);
5074 /* If the original VSIG only contains one reference,
5075 * which will be the requesting VSI, then the VSI is not
5076 * sharing entries and we can simply remove the specific
5077 * characteristics from the VSIG.
5081 /* If there are no profiles left for this VSIG,
5082 * then simply remove the the VSIG.
5084 status = ice_rem_vsig(hw, blk, vsig, &chg);
5086 goto err_ice_rem_prof_id_flow;
5088 status = ice_rem_prof_id_vsig(hw, blk, vsig,
5091 goto err_ice_rem_prof_id_flow;
5093 /* Adjust priorities */
5094 status = ice_adj_prof_priorities(hw, blk, vsig,
5097 goto err_ice_rem_prof_id_flow;
5101 /* Make a copy of the VSIG's list of Profiles */
5102 status = ice_get_profs_vsig(hw, blk, vsig, ©);
5104 goto err_ice_rem_prof_id_flow;
5106 /* Remove specified profile entry from the list */
5107 status = ice_rem_prof_from_list(hw, ©, hdl);
5109 goto err_ice_rem_prof_id_flow;
5111 if (LIST_EMPTY(©)) {
5112 status = ice_move_vsi(hw, blk, vsi,
5113 ICE_DEFAULT_VSIG, &chg);
5115 goto err_ice_rem_prof_id_flow;
5117 } else if (!ice_find_dup_props_vsig(hw, blk, ©,
5119 /* found an exact match */
5120 /* add or move VSI to the VSIG that matches */
5121 /* Search for a VSIG with a matching profile
5125 /* Found match, move VSI to the matching VSIG */
5126 status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
5128 goto err_ice_rem_prof_id_flow;
5130 /* since no existing VSIG supports this
5131 * characteristic pattern, we need to create a
5132 * new VSIG and TCAM entries
5134 status = ice_create_vsig_from_lst(hw, blk, vsi,
5137 goto err_ice_rem_prof_id_flow;
5139 /* Adjust priorities */
5140 status = ice_adj_prof_priorities(hw, blk, vsig,
5143 goto err_ice_rem_prof_id_flow;
5147 status = ICE_ERR_DOES_NOT_EXIST;
5150 /* update hardware tables */
5152 status = ice_upd_prof_hw(hw, blk, &chg);
5154 err_ice_rem_prof_id_flow:
5155 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) {
5156 LIST_DEL(&del->list_entry);
5160 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, ©, ice_vsig_prof, list) {
5161 LIST_DEL(&del1->list);
5169 * ice_rem_flow - remove flow
5170 * @hw: pointer to the HW struct
5171 * @blk: hardware block
5172 * @vsi: array of VSIs from which to remove the profile specified by ID
5173 * @count: number of elements in the VSI array
5174 * @id: profile tracking ID
5176 * The function will remove flows from the specified VSIs that were enabled
5177 * using ice_add_flow. The ID value will indicated which profile will be
5178 * removed. Once successfully called, the flow will be disabled.
5181 ice_rem_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi[], u8 count,
5184 enum ice_status status;
5187 for (i = 0; i < count; i++) {
5188 status = ice_rem_prof_id_flow(hw, blk, vsi[i], id);