1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 Intel Corporation
5 #include "ice_common.h"
9 #define GPR_FLG_IDX 104
10 #define GPR_TSR_IDX 108
11 #define GPR_NN_IDX 109
12 #define GPR_HO_IDX 110
13 #define GPR_NP_IDX 111
15 static void _rt_tsr_set(struct ice_parser_rt *rt, u16 tsr)
17 rt->gpr[GPR_TSR_IDX] = tsr;
20 static void _rt_ho_set(struct ice_parser_rt *rt, u16 ho)
22 rt->gpr[GPR_HO_IDX] = ho;
23 ice_memcpy(&rt->gpr[GPR_HB_IDX], &rt->pkt_buf[ho], 32,
24 ICE_NONDMA_TO_NONDMA);
27 static void _rt_np_set(struct ice_parser_rt *rt, u16 pc)
29 rt->gpr[GPR_NP_IDX] = pc;
32 static void _rt_nn_set(struct ice_parser_rt *rt, u16 node)
34 rt->gpr[GPR_NN_IDX] = node;
37 static void _rt_flag_set(struct ice_parser_rt *rt, int idx, bool val)
43 rt->gpr[GPR_FLG_IDX + y] |= (u16)(1 << x);
45 rt->gpr[GPR_FLG_IDX + y] &= ~(u16)(1 << x);
47 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set parser flag %d value %d\n",
51 static void _rt_gpr_set(struct ice_parser_rt *rt, int idx, u16 val)
53 if (idx == GPR_HO_IDX)
58 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set GPR %d value %d\n",
62 static void _rt_err_set(struct ice_parser_rt *rt, int idx, bool val)
65 rt->gpr[GPR_ERR_IDX] |= (u16)(1 << idx);
67 rt->gpr[GPR_ERR_IDX] &= ~(u16)(1 << idx);
69 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set parser error %d value %d\n",
74 * ice_parser_rt_reset - reset the parser runtime
75 * @rt: pointer to the parser runtime
77 void ice_parser_rt_reset(struct ice_parser_rt *rt)
79 struct ice_parser *psr = rt->psr;
80 struct ice_metainit_item *mi = &psr->mi_table[0];
83 ice_memset(rt, 0, sizeof(*rt), ICE_NONDMA_MEM);
85 _rt_tsr_set(rt, mi->tsr);
86 _rt_ho_set(rt, mi->ho);
87 _rt_np_set(rt, mi->pc);
88 _rt_nn_set(rt, mi->pg_rn);
90 for (i = 0; i < 64; i++) {
91 if ((mi->flags & (1ul << i)) != 0ul)
92 _rt_flag_set(rt, i, true);
99 * ice_parser_rt_pktbuf_set - set a packet into parser runtime
100 * @rt: pointer to the parser runtime
101 * @pkt_buf: buffer with packet data
102 * @pkt_len: packet buffer length
104 void ice_parser_rt_pktbuf_set(struct ice_parser_rt *rt, const u8 *pkt_buf,
107 int len = min(ICE_PARSER_MAX_PKT_LEN, pkt_len);
108 u16 ho = rt->gpr[GPR_HO_IDX];
110 ice_memcpy(rt->pkt_buf, pkt_buf, len, ICE_NONDMA_TO_NONDMA);
111 rt->pkt_len = pkt_len;
113 ice_memcpy(&rt->gpr[GPR_HB_IDX], &rt->pkt_buf[ho],
114 ICE_PARSER_HDR_BUF_LEN, ICE_NONDMA_TO_NONDMA);
117 static void _bst_key_init(struct ice_parser_rt *rt, struct ice_imem_item *imem)
119 int second_last_key_idx = ICE_PARSER_BST_KEY_LEN - 2;
120 int last_key_idx = ICE_PARSER_BST_KEY_LEN - 1;
121 u8 tsr = (u8)rt->gpr[GPR_TSR_IDX];
122 u16 ho = rt->gpr[GPR_HO_IDX];
123 u8 *key = rt->bst_key;
127 if (imem->b_kb.tsr_ctrl)
128 key[last_key_idx] = (u8)tsr;
130 key[last_key_idx] = imem->b_kb.priority;
132 for (i = second_last_key_idx; i >= 0; i--) {
133 j = ho + second_last_key_idx - i;
134 if (j < ICE_PARSER_MAX_PKT_LEN)
135 key[i] = rt->pkt_buf[ho + second_last_key_idx - i];
140 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Generated Boost TCAM Key:\n");
141 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\n",
142 key[0], key[1], key[2], key[3], key[4],
143 key[5], key[6], key[7], key[8], key[9],
144 key[10], key[11], key[12], key[13], key[14],
145 key[15], key[16], key[17], key[18], key[19]);
146 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "\n");
149 static u8 _bit_rev_u8(u8 v)
154 for (i = 0; i < 8; i++) {
155 r |= (u8)((v & 0x1) << (7 - i));
162 static u8 _bit_rev_u16(u16 v, int len)
167 for (i = 0; i < len; i++) {
168 r |= (u16)((v & 0x1) << (len - 1 - i));
175 static u32 _bit_rev_u32(u32 v, int len)
180 for (i = 0; i < len; i++) {
181 r |= (u32)((v & 0x1) << (len - 1 - i));
188 static u32 _hv_bit_sel(struct ice_parser_rt *rt, int start, int len)
197 int offset = GPR_HB_IDX + start / 16;
199 ice_memcpy(bit_sel.b, &rt->gpr[offset], 8, ICE_NONDMA_TO_NONDMA);
201 for (i = 0; i < 8; i++)
202 bit_sel.b[i] = _bit_rev_u8(bit_sel.b[i]);
204 msk = (1ul << len) - 1;
206 return _bit_rev_u32((u32)((bit_sel.d64 >> (start % 16)) & msk), len);
209 static u32 _pk_build(struct ice_parser_rt *rt, struct ice_np_keybuilder *kb)
212 return _hv_bit_sel(rt, kb->start_or_reg0, kb->len_or_reg1);
213 else if (kb->ops == 1)
214 return rt->gpr[kb->start_or_reg0] |
215 ((u32)rt->gpr[kb->len_or_reg1] << 16);
216 else if (kb->ops == 2)
219 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unsupported ops %d\n", kb->ops);
223 static bool _flag_get(struct ice_parser_rt *rt, int index)
228 return (rt->gpr[GPR_FLG_IDX + y] & (u16)(1 << x)) != 0;
231 static void _imem_pgk_init(struct ice_parser_rt *rt, struct ice_imem_item *imem)
233 ice_memset(&rt->pg_key, 0, sizeof(rt->pg_key), ICE_NONDMA_MEM);
234 rt->pg_key.next_proto = _pk_build(rt, &imem->np_kb);
236 if (imem->pg_kb.flag0_ena)
237 rt->pg_key.flag0 = _flag_get(rt, imem->pg_kb.flag0_idx);
238 if (imem->pg_kb.flag1_ena)
239 rt->pg_key.flag1 = _flag_get(rt, imem->pg_kb.flag1_idx);
240 if (imem->pg_kb.flag2_ena)
241 rt->pg_key.flag2 = _flag_get(rt, imem->pg_kb.flag2_idx);
242 if (imem->pg_kb.flag3_ena)
243 rt->pg_key.flag3 = _flag_get(rt, imem->pg_kb.flag3_idx);
245 rt->pg_key.alu_reg = rt->gpr[imem->pg_kb.alu_reg_idx];
246 rt->pg_key.node_id = rt->gpr[GPR_NN_IDX];
248 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Generate Parse Graph Key: node_id(%d),flag0(%d), flag1(%d), flag2(%d), flag3(%d), boost_idx(%d), alu_reg(0x%04x), next_proto(0x%08x)\n",
254 rt->pg_key.boost_idx,
256 rt->pg_key.next_proto);
259 static void _imem_alu0_set(struct ice_parser_rt *rt, struct ice_imem_item *imem)
261 rt->alu0 = &imem->alu0;
262 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU0 from imem pc %d\n",
266 static void _imem_alu1_set(struct ice_parser_rt *rt, struct ice_imem_item *imem)
268 rt->alu1 = &imem->alu1;
269 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU1 from imem pc %d\n",
273 static void _imem_alu2_set(struct ice_parser_rt *rt, struct ice_imem_item *imem)
275 rt->alu2 = &imem->alu2;
276 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU2 from imem pc %d\n",
280 static void _imem_pgp_set(struct ice_parser_rt *rt, struct ice_imem_item *imem)
283 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load PG priority %d from imem pc %d\n",
288 _bst_pgk_init(struct ice_parser_rt *rt, struct ice_bst_tcam_item *bst)
290 ice_memset(&rt->pg_key, 0, sizeof(rt->pg_key), ICE_NONDMA_MEM);
291 rt->pg_key.boost_idx = bst->hit_idx_grp;
292 rt->pg_key.next_proto = _pk_build(rt, &bst->np_kb);
294 if (bst->pg_kb.flag0_ena)
295 rt->pg_key.flag0 = _flag_get(rt, bst->pg_kb.flag0_idx);
296 if (bst->pg_kb.flag1_ena)
297 rt->pg_key.flag1 = _flag_get(rt, bst->pg_kb.flag1_idx);
298 if (bst->pg_kb.flag2_ena)
299 rt->pg_key.flag2 = _flag_get(rt, bst->pg_kb.flag2_idx);
300 if (bst->pg_kb.flag3_ena)
301 rt->pg_key.flag3 = _flag_get(rt, bst->pg_kb.flag3_idx);
303 rt->pg_key.alu_reg = rt->gpr[bst->pg_kb.alu_reg_idx];
304 rt->pg_key.node_id = rt->gpr[GPR_NN_IDX];
306 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Generate Parse Graph Key: node_id(%d),flag0(%d), flag1(%d), flag2(%d), flag3(%d), boost_idx(%d), alu_reg(0x%04x), next_proto(0x%08x)\n",
312 rt->pg_key.boost_idx,
314 rt->pg_key.next_proto);
317 static void _bst_alu0_set(struct ice_parser_rt *rt,
318 struct ice_bst_tcam_item *bst)
320 rt->alu0 = &bst->alu0;
321 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU0 from boost address %d\n",
325 static void _bst_alu1_set(struct ice_parser_rt *rt,
326 struct ice_bst_tcam_item *bst)
328 rt->alu1 = &bst->alu1;
329 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU1 from boost address %d\n",
333 static void _bst_alu2_set(struct ice_parser_rt *rt,
334 struct ice_bst_tcam_item *bst)
336 rt->alu2 = &bst->alu2;
337 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU2 from boost address %d\n",
341 static void _bst_pgp_set(struct ice_parser_rt *rt,
342 struct ice_bst_tcam_item *bst)
344 rt->pg = bst->pg_pri;
345 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load PG priority %d from boost address %d\n",
346 rt->pg, bst->address);
349 static struct ice_pg_cam_item *_pg_cam_match(struct ice_parser_rt *rt)
351 struct ice_parser *psr = rt->psr;
352 struct ice_pg_cam_item *item;
354 item = ice_pg_cam_match(psr->pg_cam_table, ICE_PG_CAM_TABLE_SIZE,
359 item = ice_pg_cam_match(psr->pg_sp_cam_table, ICE_PG_SP_CAM_TABLE_SIZE,
364 static struct ice_pg_nm_cam_item *_pg_nm_cam_match(struct ice_parser_rt *rt)
366 struct ice_parser *psr = rt->psr;
367 struct ice_pg_nm_cam_item *item;
369 item = ice_pg_nm_cam_match(psr->pg_nm_cam_table,
370 ICE_PG_NM_CAM_TABLE_SIZE, &rt->pg_key);
375 item = ice_pg_nm_cam_match(psr->pg_nm_sp_cam_table,
376 ICE_PG_NM_SP_CAM_TABLE_SIZE,
381 static void _gpr_add(struct ice_parser_rt *rt, int idx, u16 val)
383 rt->pu.gpr_val_upd[idx] = true;
384 rt->pu.gpr_val[idx] = val;
386 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Pending update for register %d value %d\n",
390 static void _pg_exe(struct ice_parser_rt *rt)
392 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ParseGraph action ...\n");
394 _gpr_add(rt, GPR_NP_IDX, rt->action->next_pc);
395 _gpr_add(rt, GPR_NN_IDX, rt->action->next_node);
397 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ParseGraph action done.\n");
400 static void _flg_add(struct ice_parser_rt *rt, int idx, bool val)
402 rt->pu.flg_msk |= (1ul << idx);
404 rt->pu.flg_val |= (1ul << idx);
406 rt->pu.flg_val &= ~(1ul << idx);
408 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Pending update for flag %d value %d\n",
412 static void _flg_update(struct ice_parser_rt *rt, struct ice_alu *alu)
416 if (alu->dedicate_flags_ena) {
417 if (alu->flags_extr_imm) {
418 for (i = 0; i < alu->dst_len; i++)
419 _flg_add(rt, alu->dst_start + i,
420 (alu->flags_start_imm &
423 for (i = 0; i < alu->dst_len; i++) {
424 _flg_add(rt, alu->dst_start + i,
426 alu->flags_start_imm + i,
433 static void _po_update(struct ice_parser_rt *rt, struct ice_alu *alu)
435 if (alu->proto_offset_opc == 1)
436 rt->po = (u16)(rt->gpr[GPR_HO_IDX] + alu->proto_offset);
437 else if (alu->proto_offset_opc == 2)
438 rt->po = (u16)(rt->gpr[GPR_HO_IDX] - alu->proto_offset);
439 else if (alu->proto_offset_opc == 0)
440 rt->po = rt->gpr[GPR_HO_IDX];
442 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Update Protocol Offset = %d\n",
446 static u16 _reg_bit_sel(struct ice_parser_rt *rt, int reg_idx,
455 ice_memcpy(bit_sel.b, &rt->gpr[reg_idx + start / 16], 4,
456 ICE_NONDMA_TO_NONDMA);
458 bit_sel.b[0] = _bit_rev_u8(bit_sel.b[0]);
459 bit_sel.b[1] = _bit_rev_u8(bit_sel.b[1]);
460 bit_sel.b[2] = _bit_rev_u8(bit_sel.b[2]);
461 bit_sel.b[3] = _bit_rev_u8(bit_sel.b[3]);
463 msk = (1u << len) - 1;
465 return _bit_rev_u16((u16)((bit_sel.d32 >> (start % 16)) & msk), len);
468 static void _err_add(struct ice_parser_rt *rt, int idx, bool val)
470 rt->pu.err_msk |= (u16)(1 << idx);
472 rt->pu.flg_val |= (u16)(1 << idx);
474 rt->pu.flg_val &= ~(u16)(1 << idx);
476 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Pending update for error %d value %d\n",
480 static void _dst_reg_bit_set(struct ice_parser_rt *rt, struct ice_alu *alu,
485 if (alu->dedicate_flags_ena) {
486 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "DedicatedFlagsEnable should not be enabled in opcode %d\n",
491 if (alu->dst_reg_id == GPR_ERR_IDX) {
492 if (alu->dst_start >= 16) {
493 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Invalid error %d\n",
497 _err_add(rt, alu->dst_start, val);
498 } else if (alu->dst_reg_id >= GPR_FLG_IDX) {
499 flg_idx = (u16)(((alu->dst_reg_id - GPR_FLG_IDX) << 4) +
503 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Invalid flag %d\n",
507 _flg_add(rt, flg_idx, val);
509 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unexpected Dest Register Bit set, RegisterID %d Start %d\n",
510 alu->dst_reg_id, alu->dst_start);
514 static void _alu_exe(struct ice_parser_rt *rt, struct ice_alu *alu)
516 u16 dst, src, shift, imm;
518 if (alu->shift_xlate_select) {
519 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "shift_xlate_select != 0 is not expected\n");
524 _flg_update(rt, alu);
526 dst = rt->gpr[alu->dst_reg_id];
527 src = _reg_bit_sel(rt, alu->src_reg_id, alu->src_start, alu->src_len);
528 shift = alu->shift_xlate_key;
534 case ICE_ALU_MOV_ADD:
535 dst = (u16)((src << shift) + imm);
536 _gpr_add(rt, alu->dst_reg_id, dst);
539 dst += (u16)((src << shift) + imm);
540 _gpr_add(rt, alu->dst_reg_id, dst);
544 _dst_reg_bit_set(rt, alu, true);
545 _gpr_add(rt, GPR_NP_IDX, alu->branch_addr);
549 _dst_reg_bit_set(rt, alu, true);
550 _gpr_add(rt, GPR_NP_IDX, alu->branch_addr);
554 _dst_reg_bit_set(rt, alu, true);
556 _dst_reg_bit_set(rt, alu, false);
557 _gpr_add(rt, GPR_NP_IDX, alu->branch_addr);
559 case ICE_ALU_MOV_XOR:
560 dst = (u16)((u16)(src << shift) ^ (u16)imm);
561 _gpr_add(rt, alu->dst_reg_id, dst);
564 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unsupported ALU instruction %d\n",
570 static void _alu0_exe(struct ice_parser_rt *rt)
572 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU0 ...\n");
573 _alu_exe(rt, rt->alu0);
574 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU0 done.\n");
577 static void _alu1_exe(struct ice_parser_rt *rt)
579 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU1 ...\n");
580 _alu_exe(rt, rt->alu1);
581 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU1 done.\n");
584 static void _alu2_exe(struct ice_parser_rt *rt)
586 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU2 ...\n");
587 _alu_exe(rt, rt->alu2);
588 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU2 done.\n");
591 static void _pu_exe(struct ice_parser_rt *rt)
593 struct ice_gpr_pu *pu = &rt->pu;
596 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Updating Registers ...\n");
598 for (i = 0; i < ICE_PARSER_GPR_NUM; i++) {
599 if (pu->gpr_val_upd[i])
600 _rt_gpr_set(rt, i, pu->gpr_val[i]);
603 for (i = 0; i < 64; i++) {
604 if (pu->flg_msk & (1ul << i))
605 _rt_flag_set(rt, i, pu->flg_val & (1ul << i));
608 for (i = 0; i < 16; i++) {
609 if (pu->err_msk & (1u << 1))
610 _rt_err_set(rt, i, pu->err_val & (1u << i));
613 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Updating Registers done.\n");
616 static void _alu_pg_exe(struct ice_parser_rt *rt)
618 ice_memset(&rt->pu, 0, sizeof(rt->pu), ICE_NONDMA_MEM);
625 } else if (rt->pg == 1) {
630 } else if (rt->pg == 2) {
635 } else if (rt->pg == 3) {
644 if (rt->action->ho_inc == 0)
647 if (rt->action->ho_polarity)
648 _rt_ho_set(rt, rt->gpr[GPR_HO_IDX] + rt->action->ho_inc);
650 _rt_ho_set(rt, rt->gpr[GPR_HO_IDX] - rt->action->ho_inc);
653 static void _proto_off_update(struct ice_parser_rt *rt)
655 struct ice_parser *psr = rt->psr;
658 if (rt->action->is_pg) {
659 struct ice_proto_grp_item *proto_grp =
660 &psr->proto_grp_table[rt->action->proto_id];
663 for (i = 0; i < 8; i++) {
664 struct ice_proto_off *entry = &proto_grp->po[i];
666 if (entry->proto_id == 0xff)
669 if (!entry->polarity)
670 po = (u16)(rt->po + entry->offset);
672 po = (u16)(rt->po - entry->offset);
674 rt->protocols[entry->proto_id] = true;
675 rt->offsets[entry->proto_id] = po;
677 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Protocol %d at offset %d\n",
678 entry->proto_id, po);
681 rt->protocols[rt->action->proto_id] = true;
682 rt->offsets[rt->action->proto_id] = rt->po;
683 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Protocol %d at offset %d\n",
684 rt->action->proto_id, rt->po);
688 static void _marker_set(struct ice_parser_rt *rt, int idx)
693 rt->markers[x] |= (u8)(1u << y);
696 static void _marker_update(struct ice_parser_rt *rt)
698 struct ice_parser *psr = rt->psr;
701 if (rt->action->is_mg) {
702 struct ice_mk_grp_item *mk_grp =
703 &psr->mk_grp_table[rt->action->marker_id];
705 for (i = 0; i < 8; i++) {
706 u8 marker = mk_grp->markers[i];
711 _marker_set(rt, marker);
712 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Marker %d\n",
716 if (rt->action->marker_id != 71)
717 _marker_set(rt, rt->action->marker_id);
718 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Marker %d\n",
719 rt->action->marker_id);
723 static u16 _ptype_resolve(struct ice_parser_rt *rt)
725 struct ice_parser *psr = rt->psr;
726 struct ice_ptype_mk_tcam_item *item;
728 item = ice_ptype_mk_tcam_match(psr->ptype_mk_tcam_table,
735 static void _proto_off_resolve(struct ice_parser_rt *rt,
736 struct ice_parser_result *rslt)
740 for (i = 0; i < 255; i++) {
741 if (rt->protocols[i]) {
742 rslt->po[rslt->po_num].proto_id = (u8)i;
743 rslt->po[rslt->po_num].offset = rt->offsets[i];
749 static void _result_resolve(struct ice_parser_rt *rt,
750 struct ice_parser_result *rslt)
752 struct ice_parser *psr = rt->psr;
754 ice_memset(rslt, 0, sizeof(*rslt), ICE_NONDMA_MEM);
756 rslt->ptype = _ptype_resolve(rt);
758 ice_memcpy(&rslt->flags_psr, &rt->gpr[GPR_FLG_IDX], 8,
759 ICE_NONDMA_TO_NONDMA);
760 rslt->flags_pkt = ice_flg_redirect(psr->flg_rd_table, rslt->flags_psr);
761 rslt->flags_sw = ice_xlt_kb_flag_get(psr->xlt_kb_sw, rslt->flags_pkt);
762 rslt->flags_fd = ice_xlt_kb_flag_get(psr->xlt_kb_fd, rslt->flags_pkt);
763 rslt->flags_rss = ice_xlt_kb_flag_get(psr->xlt_kb_rss, rslt->flags_pkt);
765 _proto_off_resolve(rt, rslt);
769 * ice_parser_rt_execute - parser execution routine
770 * @rt: pointer to the parser runtime
771 * @rslt: input/output parameter to save parser result
773 enum ice_status ice_parser_rt_execute(struct ice_parser_rt *rt,
774 struct ice_parser_result *rslt)
776 enum ice_status status = ICE_SUCCESS;
777 struct ice_pg_nm_cam_item *pg_nm_cam;
778 struct ice_parser *psr = rt->psr;
779 struct ice_pg_cam_item *pg_cam;
780 struct ice_bst_tcam_item *bst;
781 struct ice_imem_item *imem;
785 node = rt->gpr[GPR_NN_IDX];
786 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Start with Node: %d\n", node);
789 pc = rt->gpr[GPR_NP_IDX];
790 imem = &psr->imem_table[pc];
791 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load imem at pc: %d\n",
794 _bst_key_init(rt, imem);
795 bst = ice_bst_tcam_match(psr->bst_tcam_table, rt->bst_key);
798 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "No Boost TCAM Match\n");
799 _imem_pgk_init(rt, imem);
800 _imem_alu0_set(rt, imem);
801 _imem_alu1_set(rt, imem);
802 _imem_alu2_set(rt, imem);
803 _imem_pgp_set(rt, imem);
805 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Boost TCAM Match address: %d\n",
808 _bst_pgk_init(rt, bst);
809 _bst_pgp_set(rt, bst);
811 _imem_pgk_init(rt, imem);
812 _imem_pgp_set(rt, imem);
816 _bst_alu0_set(rt, bst);
818 _imem_alu0_set(rt, imem);
821 _bst_alu1_set(rt, bst);
823 _imem_alu1_set(rt, imem);
826 _bst_alu2_set(rt, bst);
828 _imem_alu2_set(rt, imem);
832 pg_cam = _pg_cam_match(rt);
834 pg_nm_cam = _pg_nm_cam_match(rt);
836 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Match ParseGraph Nomatch CAM Address %d\n",
838 rt->action = &pg_nm_cam->action;
841 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Match ParseGraph CAM Address %d\n",
843 rt->action = &pg_cam->action;
847 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Failed to match ParseGraph CAM, stop parsing.\n");
848 status = ICE_ERR_PARAM;
854 _proto_off_update(rt);
856 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Go to node %d\n",
857 rt->action->next_node);
859 if (rt->action->is_last_round) {
860 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Last Round in ParseGraph Action, stop parsing.\n");
864 if (rt->gpr[GPR_HO_IDX] >= rt->pkt_len) {
865 ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Header Offset %d is larger than packet len %d, stop parsing\n",
866 rt->gpr[GPR_HO_IDX], rt->pkt_len);
871 _result_resolve(rt, rslt);