| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20230821081438.2937934-13-junfeng.guo@intel.com>
Date: Mon, 21 Aug 2023 16:14:35 +0800
From: Junfeng Guo <junfeng.guo@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
jesse.brandeburg@...el.com,
qi.z.zhang@...el.com,
ivecera@...hat.com,
sridhar.samudrala@...el.com,
horms@...nel.org,
Junfeng Guo <junfeng.guo@...el.com>
Subject: [PATCH iwl-next v6 12/15] ice: add parser execution main loop
Implement function ice_parser_rt_execute which perform the main
loop of the parser.
Also include the Parser Library files into ice Makefile.
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
---
drivers/net/ethernet/intel/ice/Makefile | 11 +
.../net/ethernet/intel/ice/ice_parser_rt.c | 787 +++++++++++++++++-
.../net/ethernet/intel/ice/ice_parser_rt.h | 34 +
3 files changed, 831 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile
index 5d89392f969b..a0c3d4804300 100644
--- a/drivers/net/ethernet/intel/ice/Makefile
+++ b/drivers/net/ethernet/intel/ice/Makefile
@@ -26,6 +26,17 @@ ice-y := ice_main.o \
ice_vlan_mode.o \
ice_flex_pipe.o \
ice_flow.o \
+ ice_parser.o \
+ ice_imem.o \
+ ice_pg_cam.o \
+ ice_metainit.o \
+ ice_bst_tcam.o \
+ ice_ptype_mk.o \
+ ice_mk_grp.o \
+ ice_proto_grp.o \
+ ice_flg_rd.o \
+ ice_xlt_kb.o \
+ ice_parser_rt.o \
ice_idc.o \
ice_devlink.o \
ice_ddp.o \
diff --git a/drivers/net/ethernet/intel/ice/ice_parser_rt.c b/drivers/net/ethernet/intel/ice/ice_parser_rt.c
index a6644f4b3324..21a6d0b3c2b4 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser_rt.c
+++ b/drivers/net/ethernet/intel/ice/ice_parser_rt.c
@@ -31,6 +31,33 @@ static void _ice_rt_flag_set(struct ice_parser_rt *rt, int idx, bool val)
if (val)
rt->gpr[ICE_GPR_FLG_IDX + y] |= (u16)BIT(x);
+ else
+ rt->gpr[ICE_GPR_FLG_IDX + y] &= ~(u16)BIT(x);
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set parser flag %d value %d\n",
+ idx, val);
+}
+
+static void _ice_rt_gpr_set(struct ice_parser_rt *rt, int idx, u16 val)
+{
+ if (idx == ICE_GPR_HO_IDX)
+ _ice_rt_ho_set(rt, val);
+ else
+ rt->gpr[idx] = val;
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set GPR %d value %d\n",
+ idx, val);
+}
+
+static void _ice_rt_err_set(struct ice_parser_rt *rt, int idx, bool val)
+{
+ if (val)
+ rt->gpr[ICE_GPR_ERR_IDX] |= (u16)BIT(idx);
+ else
+ rt->gpr[ICE_GPR_ERR_IDX] &= ~(u16)BIT(idx);
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set parser error %d value %d\n",
+ idx, val);
}
/**
@@ -80,6 +107,666 @@ void ice_parser_rt_pktbuf_set(struct ice_parser_rt *rt, const u8 *pkt_buf,
memcpy(&rt->gpr[ICE_GPR_HV_IDX], &rt->pkt_buf[ho], ICE_GPR_HV_SIZE);
}
+static void _ice_bst_key_init(struct ice_parser_rt *rt,
+ struct ice_imem_item *imem)
+{
+ u8 tsr = (u8)rt->gpr[ICE_GPR_TSR_IDX];
+ u16 ho = rt->gpr[ICE_GPR_HO_IDX];
+ u8 *key = rt->bst_key;
+ int idd, i;
+
+ idd = ICE_BST_TCAM_KEY_SIZE - 1;
+ if (imem->b_kb.tsr_ctrl)
+ key[idd] = (u8)tsr;
+ else
+ key[idd] = imem->b_kb.prio;
+
+ idd = ICE_BST_KEY_TCAM_SIZE - 1;
+ for (i = idd; i >= 0; i--) {
+ int j;
+
+ j = ho + idd - i;
+ if (j < ICE_PARSER_MAX_PKT_LEN)
+ key[i] = rt->pkt_buf[ho + idd - i];
+ else
+ key[i] = 0;
+ }
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Generated Boost TCAM Key:\n");
+ 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",
+ key[0], key[1], key[2], key[3], key[4],
+ key[5], key[6], key[7], key[8], key[9],
+ key[10], key[11], key[12], key[13], key[14],
+ key[15], key[16], key[17], key[18], key[19]);
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "\n");
+}
+
+static u8 _ice_bit_rev_u8(u8 v)
+{
+ u8 r = 0;
+ int i;
+
+ for (i = 0; i < BITS_PER_BYTE; i++) {
+ r |= (u8)((v & BIT(1)) << (BITS_PER_BYTE - 1 - i));
+ v >>= 1;
+ }
+
+ return r;
+}
+
+static u8 _ice_bit_rev_u16(u16 v, int len)
+{
+ u16 r = 0;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ r |= (u16)((v & BIT(1)) << (len - 1 - i));
+ v >>= 1;
+ }
+
+ return r;
+}
+
+static u32 _ice_bit_rev_u32(u32 v, int len)
+{
+ u32 r = 0;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ r |= (u32)((v & BIT(1)) << (len - 1 - i));
+ v >>= 1;
+ }
+
+ return r;
+}
+
+static u32 _ice_hv_bit_sel(struct ice_parser_rt *rt, int start, int len)
+{
+ u8 b[ICE_NPKB_HV_SIZE];
+ u64 d64, msk;
+ int i;
+
+ int offset = ICE_GPR_HV_IDX + start / BITS_PER_WORD;
+
+ memcpy(b, &rt->gpr[offset], ICE_NPKB_HV_SIZE);
+
+ for (i = 0; i < ICE_NPKB_HV_SIZE; i++)
+ b[i] = _ice_bit_rev_u8(b[i]);
+
+ d64 = *(u64 *)b;
+ msk = BITMAP_MASK(len);
+
+ return _ice_bit_rev_u32((u32)((d64 >> (start % BITS_PER_WORD)) & msk),
+ len);
+}
+
+static u32 _ice_pk_build(struct ice_parser_rt *rt,
+ struct ice_np_keybuilder *kb)
+{
+ if (kb->opc == ICE_NPKB_OPC_EXTRACT)
+ return _ice_hv_bit_sel(rt, kb->start_reg0, kb->len_reg1);
+ else if (kb->opc == ICE_NPKB_OPC_BUILD)
+ return rt->gpr[kb->start_reg0] |
+ ((u32)rt->gpr[kb->len_reg1] << BITS_PER_WORD);
+ else if (kb->opc == ICE_NPKB_OPC_BYPASS)
+ return 0;
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unsupported opc %d\n", kb->opc);
+ return U32_MAX;
+}
+
+static bool _ice_flag_get(struct ice_parser_rt *rt, int index)
+{
+ int y = index / ICE_GPR_FLG_SIZE;
+ int x = index % ICE_GPR_FLG_SIZE;
+
+ return (rt->gpr[ICE_GPR_FLG_IDX + y] & (u16)BIT(x)) != 0;
+}
+
+static void _ice_imem_pgk_init(struct ice_parser_rt *rt,
+ struct ice_imem_item *imem)
+{
+ memset(&rt->pg_key, 0, sizeof(rt->pg_key));
+ rt->pg_key.next_proto = _ice_pk_build(rt, &imem->np_kb);
+
+ if (imem->pg_kb.flag0_ena)
+ rt->pg_key.flag0 = _ice_flag_get(rt, imem->pg_kb.flag0_idx);
+ if (imem->pg_kb.flag1_ena)
+ rt->pg_key.flag1 = _ice_flag_get(rt, imem->pg_kb.flag1_idx);
+ if (imem->pg_kb.flag2_ena)
+ rt->pg_key.flag2 = _ice_flag_get(rt, imem->pg_kb.flag2_idx);
+ if (imem->pg_kb.flag3_ena)
+ rt->pg_key.flag3 = _ice_flag_get(rt, imem->pg_kb.flag3_idx);
+
+ rt->pg_key.alu_reg = rt->gpr[imem->pg_kb.alu_reg_idx];
+ rt->pg_key.node_id = rt->gpr[ICE_GPR_NN_IDX];
+
+ 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",
+ rt->pg_key.node_id,
+ rt->pg_key.flag0,
+ rt->pg_key.flag1,
+ rt->pg_key.flag2,
+ rt->pg_key.flag3,
+ rt->pg_key.boost_idx,
+ rt->pg_key.alu_reg,
+ rt->pg_key.next_proto);
+}
+
+static void _ice_imem_alu0_set(struct ice_parser_rt *rt,
+ struct ice_imem_item *imem)
+{
+ rt->alu0 = &imem->alu0;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU0 from imem pc %d\n",
+ imem->idx);
+}
+
+static void _ice_imem_alu1_set(struct ice_parser_rt *rt,
+ struct ice_imem_item *imem)
+{
+ rt->alu1 = &imem->alu1;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU1 from imem pc %d\n",
+ imem->idx);
+}
+
+static void _ice_imem_alu2_set(struct ice_parser_rt *rt,
+ struct ice_imem_item *imem)
+{
+ rt->alu2 = &imem->alu2;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU2 from imem pc %d\n",
+ imem->idx);
+}
+
+static void _ice_imem_pgp_set(struct ice_parser_rt *rt,
+ struct ice_imem_item *imem)
+{
+ rt->pg_pri = imem->pg_pri;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load PG priority %d from imem pc %d\n",
+ rt->pg_pri, imem->idx);
+}
+
+static void _ice_bst_pgk_init(struct ice_parser_rt *rt,
+ struct ice_bst_tcam_item *bst)
+{
+ memset(&rt->pg_key, 0, sizeof(rt->pg_key));
+ rt->pg_key.boost_idx = bst->hit_idx_grp;
+ rt->pg_key.next_proto = _ice_pk_build(rt, &bst->np_kb);
+
+ if (bst->pg_kb.flag0_ena)
+ rt->pg_key.flag0 = _ice_flag_get(rt, bst->pg_kb.flag0_idx);
+ if (bst->pg_kb.flag1_ena)
+ rt->pg_key.flag1 = _ice_flag_get(rt, bst->pg_kb.flag1_idx);
+ if (bst->pg_kb.flag2_ena)
+ rt->pg_key.flag2 = _ice_flag_get(rt, bst->pg_kb.flag2_idx);
+ if (bst->pg_kb.flag3_ena)
+ rt->pg_key.flag3 = _ice_flag_get(rt, bst->pg_kb.flag3_idx);
+
+ rt->pg_key.alu_reg = rt->gpr[bst->pg_kb.alu_reg_idx];
+ rt->pg_key.node_id = rt->gpr[ICE_GPR_NN_IDX];
+
+ 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",
+ rt->pg_key.node_id,
+ rt->pg_key.flag0,
+ rt->pg_key.flag1,
+ rt->pg_key.flag2,
+ rt->pg_key.flag3,
+ rt->pg_key.boost_idx,
+ rt->pg_key.alu_reg,
+ rt->pg_key.next_proto);
+}
+
+static void _ice_bst_alu0_set(struct ice_parser_rt *rt,
+ struct ice_bst_tcam_item *bst)
+{
+ rt->alu0 = &bst->alu0;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU0 from boost address %d\n",
+ bst->addr);
+}
+
+static void _ice_bst_alu1_set(struct ice_parser_rt *rt,
+ struct ice_bst_tcam_item *bst)
+{
+ rt->alu1 = &bst->alu1;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU1 from boost address %d\n",
+ bst->addr);
+}
+
+static void _ice_bst_alu2_set(struct ice_parser_rt *rt,
+ struct ice_bst_tcam_item *bst)
+{
+ rt->alu2 = &bst->alu2;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load ALU2 from boost address %d\n",
+ bst->addr);
+}
+
+static void _ice_bst_pgp_set(struct ice_parser_rt *rt,
+ struct ice_bst_tcam_item *bst)
+{
+ rt->pg_pri = bst->pg_pri;
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load PG priority %d from boost address %d\n",
+ rt->pg_pri, bst->addr);
+}
+
+static struct ice_pg_cam_item *_ice_pg_cam_match(struct ice_parser_rt *rt)
+{
+ struct ice_parser *psr = rt->psr;
+ struct ice_pg_cam_item *item;
+
+ item = ice_pg_cam_match(psr->pg_cam_table, ICE_PG_CAM_TABLE_SIZE,
+ &rt->pg_key);
+ if (item)
+ return item;
+
+ item = ice_pg_cam_match(psr->pg_sp_cam_table, ICE_PG_SP_CAM_TABLE_SIZE,
+ &rt->pg_key);
+ return item;
+}
+
+static struct ice_pg_nm_cam_item *_ice_pg_nm_cam_match(struct ice_parser_rt *rt)
+{
+ struct ice_parser *psr = rt->psr;
+ struct ice_pg_nm_cam_item *item;
+
+ item = ice_pg_nm_cam_match(psr->pg_nm_cam_table,
+ ICE_PG_NM_CAM_TABLE_SIZE, &rt->pg_key);
+
+ if (item)
+ return item;
+
+ item = ice_pg_nm_cam_match(psr->pg_nm_sp_cam_table,
+ ICE_PG_NM_SP_CAM_TABLE_SIZE,
+ &rt->pg_key);
+ return item;
+}
+
+static void _ice_gpr_add(struct ice_parser_rt *rt, int idx, u16 val)
+{
+ rt->pu.gpr_val_upd[idx] = true;
+ rt->pu.gpr_val[idx] = val;
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Pending update for register %d value %d\n",
+ idx, val);
+}
+
+static void _ice_pg_exe(struct ice_parser_rt *rt)
+{
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ParseGraph action ...\n");
+
+ _ice_gpr_add(rt, ICE_GPR_NP_IDX, rt->action->next_pc);
+ _ice_gpr_add(rt, ICE_GPR_NN_IDX, rt->action->next_node);
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ParseGraph action done.\n");
+}
+
+static void _ice_flg_add(struct ice_parser_rt *rt, int idx, bool val)
+{
+ rt->pu.flg_msk |= BIT(idx);
+ if (val)
+ rt->pu.flg_val |= BIT(idx);
+ else
+ rt->pu.flg_val &= ~BIT(idx);
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Pending update for flag %d value %d\n",
+ idx, val);
+}
+
+static void _ice_flg_update(struct ice_parser_rt *rt, struct ice_alu *alu)
+{
+ int i;
+
+ if (!alu->dedicate_flags_ena)
+ return;
+
+ if (alu->flags_extr_imm)
+ for (i = 0; i < alu->dst_len; i++)
+ _ice_flg_add(rt, alu->dst_start + i,
+ (alu->flags_start_imm & BIT(i)) != 0);
+ else
+ for (i = 0; i < alu->dst_len; i++)
+ _ice_flg_add(rt, alu->dst_start + i,
+ _ice_hv_bit_sel(rt,
+ alu->flags_start_imm + i,
+ 1) != 0);
+}
+
+static void _ice_po_update(struct ice_parser_rt *rt, struct ice_alu *alu)
+{
+ if (alu->proto_offset_opc == ICE_PO_OFF_HDR_ADD)
+ rt->po = (u16)(rt->gpr[ICE_GPR_HO_IDX] + alu->proto_offset);
+ else if (alu->proto_offset_opc == ICE_PO_OFF_HDR_SUB)
+ rt->po = (u16)(rt->gpr[ICE_GPR_HO_IDX] - alu->proto_offset);
+ else if (alu->proto_offset_opc == ICE_PO_OFF_REMAIN)
+ rt->po = rt->gpr[ICE_GPR_HO_IDX];
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Update Protocol Offset = %d\n",
+ rt->po);
+}
+
+static u16 _ice_reg_bit_sel(struct ice_parser_rt *rt, int reg_idx,
+ int start, int len)
+{
+ u8 b[ICE_ALU_REG_SIZE];
+ u8 v[ICE_ALU_REG_SIZE];
+ u32 d32, msk;
+ int i;
+
+ memcpy(b, &rt->gpr[reg_idx + start / BITS_PER_WORD], ICE_ALU_REG_SIZE);
+
+ for (i = 0; i < ICE_ALU_REG_SIZE; i++)
+ v[i] = _ice_bit_rev_u8(b[i]);
+
+ d32 = *(u32 *)v;
+ msk = BITMAP_MASK(len);
+
+ return _ice_bit_rev_u16((u16)((d32 >> (start % BITS_PER_WORD)) & msk),
+ len);
+}
+
+static void _ice_err_add(struct ice_parser_rt *rt, int idx, bool val)
+{
+ rt->pu.err_msk |= (u16)BIT(idx);
+ if (val)
+ rt->pu.flg_val |= (u64)BIT_ULL(idx);
+ else
+ rt->pu.flg_val &= ~(u64)BIT_ULL(idx);
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Pending update for error %d value %d\n",
+ idx, val);
+}
+
+static void _ice_dst_reg_bit_set(struct ice_parser_rt *rt, struct ice_alu *alu,
+ bool val)
+{
+ u16 flg_idx;
+
+ if (alu->dedicate_flags_ena) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "DedicatedFlagsEnable should not be enabled in opcode %d\n",
+ alu->opc);
+ return;
+ }
+
+ if (alu->dst_reg_id == ICE_GPR_ERR_IDX) {
+ if (alu->dst_start >= ICE_PARSER_ERR_NUM) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Invalid error %d\n",
+ alu->dst_start);
+ return;
+ }
+ _ice_err_add(rt, alu->dst_start, val);
+ } else if (alu->dst_reg_id >= ICE_GPR_FLG_IDX) {
+ flg_idx = (u16)(((alu->dst_reg_id - ICE_GPR_FLG_IDX) << 4) +
+ alu->dst_start);
+
+ if (flg_idx >= ICE_PARSER_FLG_NUM) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Invalid flag %d\n",
+ flg_idx);
+ return;
+ }
+ _ice_flg_add(rt, flg_idx, val);
+ } else {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unexpected Dest Register Bit set, RegisterID %d Start %d\n",
+ alu->dst_reg_id, alu->dst_start);
+ }
+}
+
+static void _ice_alu_exe(struct ice_parser_rt *rt, struct ice_alu *alu)
+{
+ u16 dst, src, shift, imm;
+
+ if (alu->shift_xlate_sel) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "shift_xlate_sel != 0 is not expected\n");
+ return;
+ }
+
+ _ice_po_update(rt, alu);
+ _ice_flg_update(rt, alu);
+
+ dst = rt->gpr[alu->dst_reg_id];
+ src = _ice_reg_bit_sel(rt,
+ alu->src_reg_id, alu->src_start, alu->src_len);
+ shift = alu->shift_xlate_key;
+ imm = alu->imm;
+
+ switch (alu->opc) {
+ case ICE_ALU_PARK:
+ break;
+ case ICE_ALU_MOV_ADD:
+ dst = (u16)((src << shift) + imm);
+ _ice_gpr_add(rt, alu->dst_reg_id, dst);
+ break;
+ case ICE_ALU_ADD:
+ dst += (u16)((src << shift) + imm);
+ _ice_gpr_add(rt, alu->dst_reg_id, dst);
+ break;
+ case ICE_ALU_ORLT:
+ if (src < imm)
+ _ice_dst_reg_bit_set(rt, alu, true);
+ _ice_gpr_add(rt, ICE_GPR_NP_IDX, alu->branch_addr);
+ break;
+ case ICE_ALU_OREQ:
+ if (src == imm)
+ _ice_dst_reg_bit_set(rt, alu, true);
+ _ice_gpr_add(rt, ICE_GPR_NP_IDX, alu->branch_addr);
+ break;
+ case ICE_ALU_SETEQ:
+ if (src == imm)
+ _ice_dst_reg_bit_set(rt, alu, true);
+ else
+ _ice_dst_reg_bit_set(rt, alu, false);
+ _ice_gpr_add(rt, ICE_GPR_NP_IDX, alu->branch_addr);
+ break;
+ case ICE_ALU_MOV_XOR:
+ dst = (u16)((u16)(src << shift) ^ (u16)imm);
+ _ice_gpr_add(rt, alu->dst_reg_id, dst);
+ break;
+ default:
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unsupported ALU instruction %d\n",
+ alu->opc);
+ break;
+ }
+}
+
+static void _ice_alu0_exe(struct ice_parser_rt *rt)
+{
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU0 ...\n");
+ _ice_alu_exe(rt, rt->alu0);
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU0 done.\n");
+}
+
+static void _ice_alu1_exe(struct ice_parser_rt *rt)
+{
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU1 ...\n");
+ _ice_alu_exe(rt, rt->alu1);
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU1 done.\n");
+}
+
+static void _ice_alu2_exe(struct ice_parser_rt *rt)
+{
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU2 ...\n");
+ _ice_alu_exe(rt, rt->alu2);
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Executing ALU2 done.\n");
+}
+
+static void _ice_pu_exe(struct ice_parser_rt *rt)
+{
+ struct ice_gpr_pu *pu = &rt->pu;
+ int i;
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Updating Registers ...\n");
+
+ for (i = 0; i < ICE_PARSER_GPR_NUM; i++) {
+ if (pu->gpr_val_upd[i])
+ _ice_rt_gpr_set(rt, i, pu->gpr_val[i]);
+ }
+
+ for (i = 0; i < ICE_PARSER_FLG_NUM; i++) {
+ if (pu->flg_msk & BIT(i))
+ _ice_rt_flag_set(rt, i, pu->flg_val & BIT(i));
+ }
+
+ for (i = 0; i < ICE_PARSER_ERR_NUM; i++) {
+ if (pu->err_msk & BIT(1))
+ _ice_rt_err_set(rt, i, pu->err_val & BIT(i));
+ }
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Updating Registers done.\n");
+}
+
+static void _ice_alu_pg_exe(struct ice_parser_rt *rt)
+{
+ memset(&rt->pu, 0, sizeof(rt->pu));
+
+ if (rt->pg_pri == ICE_PG_P0) {
+ _ice_pg_exe(rt);
+ _ice_alu0_exe(rt);
+ _ice_alu1_exe(rt);
+ _ice_alu2_exe(rt);
+ } else if (rt->pg_pri == ICE_PG_P1) {
+ _ice_alu0_exe(rt);
+ _ice_pg_exe(rt);
+ _ice_alu1_exe(rt);
+ _ice_alu2_exe(rt);
+ } else if (rt->pg_pri == ICE_PG_P2) {
+ _ice_alu0_exe(rt);
+ _ice_alu1_exe(rt);
+ _ice_pg_exe(rt);
+ _ice_alu2_exe(rt);
+ } else if (rt->pg_pri == ICE_PG_P3) {
+ _ice_alu0_exe(rt);
+ _ice_alu1_exe(rt);
+ _ice_alu2_exe(rt);
+ _ice_pg_exe(rt);
+ }
+
+ _ice_pu_exe(rt);
+
+ if (rt->action->ho_inc == 0)
+ return;
+
+ if (rt->action->ho_polarity)
+ _ice_rt_ho_set(rt,
+ rt->gpr[ICE_GPR_HO_IDX] + rt->action->ho_inc);
+ else
+ _ice_rt_ho_set(rt,
+ rt->gpr[ICE_GPR_HO_IDX] - rt->action->ho_inc);
+}
+
+static void _ice_proto_off_update(struct ice_parser_rt *rt)
+{
+ struct ice_parser *psr = rt->psr;
+
+ if (rt->action->is_pg) {
+ struct ice_proto_grp_item *proto_grp =
+ &psr->proto_grp_table[rt->action->proto_id];
+ u16 po;
+ int i;
+
+ for (i = 0; i < ICE_PROTO_COUNT_PER_GRP; i++) {
+ struct ice_proto_off *entry = &proto_grp->po[i];
+
+ if (entry->proto_id == U8_MAX)
+ break;
+
+ if (!entry->polarity)
+ po = (u16)(rt->po + entry->offset);
+ else
+ po = (u16)(rt->po - entry->offset);
+
+ rt->protocols[entry->proto_id] = true;
+ rt->offsets[entry->proto_id] = po;
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Protocol %d at offset %d\n",
+ entry->proto_id, po);
+ }
+ } else {
+ rt->protocols[rt->action->proto_id] = true;
+ rt->offsets[rt->action->proto_id] = rt->po;
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Protocol %d at offset %d\n",
+ rt->action->proto_id, rt->po);
+ }
+}
+
+static void _ice_marker_set(struct ice_parser_rt *rt, int idx)
+{
+ int x = idx / BITS_PER_BYTE;
+ int y = idx % BITS_PER_BYTE;
+
+ rt->markers[x] |= (u8)BIT(y);
+}
+
+static void _ice_marker_update(struct ice_parser_rt *rt)
+{
+ struct ice_parser *psr = rt->psr;
+
+ if (rt->action->is_mg) {
+ struct ice_mk_grp_item *mk_grp =
+ &psr->mk_grp_table[rt->action->marker_id];
+ int i;
+
+ for (i = 0; i < ICE_MARKER_ID_NUM; i++) {
+ u8 marker = mk_grp->markers[i];
+
+ if (marker == (ICE_MARKER_ID_SIZE * BITS_PER_BYTE - 1))
+ break;
+
+ _ice_marker_set(rt, marker);
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Marker %d\n",
+ marker);
+ }
+ } else {
+ if (rt->action->marker_id !=
+ (ICE_MARKER_ID_SIZE * BITS_PER_BYTE - 1))
+ _ice_marker_set(rt, rt->action->marker_id);
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Set Marker %d\n",
+ rt->action->marker_id);
+ }
+}
+
+static u16 _ice_ptype_resolve(struct ice_parser_rt *rt)
+{
+ struct ice_parser *psr = rt->psr;
+ struct ice_ptype_mk_tcam_item *item;
+
+ item = ice_ptype_mk_tcam_match(psr->ptype_mk_tcam_table,
+ rt->markers, ICE_MARKER_ID_SIZE);
+ if (item)
+ return item->ptype;
+
+ return U16_MAX;
+}
+
+static void _ice_proto_off_resolve(struct ice_parser_rt *rt,
+ struct ice_parser_result *rslt)
+{
+ int i;
+
+ for (i = 0; i < ICE_PO_PAIR_SIZE - 1; i++) {
+ if (rt->protocols[i]) {
+ rslt->po[rslt->po_num].proto_id = (u8)i;
+ rslt->po[rslt->po_num].offset = rt->offsets[i];
+ rslt->po_num++;
+ }
+ }
+}
+
+static void _ice_result_resolve(struct ice_parser_rt *rt,
+ struct ice_parser_result *rslt)
+{
+ struct ice_parser *psr = rt->psr;
+
+ memset(rslt, 0, sizeof(*rslt));
+
+ rslt->ptype = _ice_ptype_resolve(rt);
+
+ memcpy(&rslt->flags_psr, &rt->gpr[ICE_GPR_FLG_IDX],
+ ICE_PARSER_FLAG_PSR_SIZE);
+ rslt->flags_pkt = ice_flg_redirect(psr->flg_rd_table, rslt->flags_psr);
+ rslt->flags_sw = ice_xlt_kb_flag_get(psr->xlt_kb_sw, rslt->flags_pkt);
+ rslt->flags_fd = ice_xlt_kb_flag_get(psr->xlt_kb_fd, rslt->flags_pkt);
+ rslt->flags_rss = ice_xlt_kb_flag_get(psr->xlt_kb_rss, rslt->flags_pkt);
+
+ _ice_proto_off_resolve(rt, rslt);
+}
+
/**
* ice_parser_rt_execute - parser execution routine
* @rt: pointer to the parser runtime
@@ -88,5 +775,103 @@ void ice_parser_rt_pktbuf_set(struct ice_parser_rt *rt, const u8 *pkt_buf,
int ice_parser_rt_execute(struct ice_parser_rt *rt,
struct ice_parser_result *rslt)
{
- return ICE_ERR_NOT_IMPL;
+ struct ice_pg_nm_cam_item *pg_nm_cam;
+ struct ice_parser *psr = rt->psr;
+ struct ice_pg_cam_item *pg_cam;
+ int status = 0;
+ u16 node;
+ u16 pc;
+
+ node = rt->gpr[ICE_GPR_NN_IDX];
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Start with Node: %d\n", node);
+
+ while (true) {
+ struct ice_bst_tcam_item *bst;
+ struct ice_imem_item *imem;
+
+ pc = rt->gpr[ICE_GPR_NP_IDX];
+ imem = &psr->imem_table[pc];
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load imem at pc: %d\n",
+ pc);
+
+ _ice_bst_key_init(rt, imem);
+ bst = ice_bst_tcam_match(psr->bst_tcam_table, rt->bst_key);
+
+ if (!bst) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "No Boost TCAM Match\n");
+ _ice_imem_pgk_init(rt, imem);
+ _ice_imem_alu0_set(rt, imem);
+ _ice_imem_alu1_set(rt, imem);
+ _ice_imem_alu2_set(rt, imem);
+ _ice_imem_pgp_set(rt, imem);
+ } else {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Boost TCAM Match address: %d\n",
+ bst->addr);
+ if (imem->b_m.pg) {
+ _ice_bst_pgk_init(rt, bst);
+ _ice_bst_pgp_set(rt, bst);
+ } else {
+ _ice_imem_pgk_init(rt, imem);
+ _ice_imem_pgp_set(rt, imem);
+ }
+
+ if (imem->b_m.alu0)
+ _ice_bst_alu0_set(rt, bst);
+ else
+ _ice_imem_alu0_set(rt, imem);
+
+ if (imem->b_m.alu1)
+ _ice_bst_alu1_set(rt, bst);
+ else
+ _ice_imem_alu1_set(rt, imem);
+
+ if (imem->b_m.alu2)
+ _ice_bst_alu2_set(rt, bst);
+ else
+ _ice_imem_alu2_set(rt, imem);
+ }
+
+ rt->action = NULL;
+ pg_cam = _ice_pg_cam_match(rt);
+ if (!pg_cam) {
+ pg_nm_cam = _ice_pg_nm_cam_match(rt);
+ if (pg_nm_cam) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Match ParseGraph Nomatch CAM Address %d\n",
+ pg_nm_cam->idx);
+ rt->action = &pg_nm_cam->action;
+ }
+ } else {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Match ParseGraph CAM Address %d\n",
+ pg_cam->idx);
+ rt->action = &pg_cam->action;
+ }
+
+ if (!rt->action) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Failed to match ParseGraph CAM, stop parsing.\n");
+ status = -EINVAL;
+ break;
+ }
+
+ _ice_alu_pg_exe(rt);
+ _ice_marker_update(rt);
+ _ice_proto_off_update(rt);
+
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Go to node %d\n",
+ rt->action->next_node);
+
+ if (rt->action->is_last_round) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Last Round in ParseGraph Action, stop parsing.\n");
+ break;
+ }
+
+ if (rt->gpr[ICE_GPR_HO_IDX] >= rt->pkt_len) {
+ ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Header Offset %d is larger than packet len %d, stop parsing\n",
+ rt->gpr[ICE_GPR_HO_IDX], rt->pkt_len);
+ break;
+ }
+ }
+
+ _ice_result_resolve(rt, rslt);
+
+ return status;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_parser_rt.h b/drivers/net/ethernet/intel/ice/ice_parser_rt.h
index dadcb8791430..7a11ffd3d5a7 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser_rt.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser_rt.h
@@ -20,6 +20,29 @@ struct ice_parser_ctx;
#define ICE_PARSER_MAX_PKT_LEN 504
#define ICE_PARSER_PKT_REV 32
#define ICE_PARSER_GPR_NUM 128
+#define ICE_PARSER_FLG_NUM 64
+#define ICE_PARSER_ERR_NUM 16
+#define ICE_BST_KEY_SIZE 10
+#define ICE_MARKER_ID_SIZE 9
+#define ICE_MARKER_ID_NUM 8
+#define ICE_PO_PAIR_SIZE 256
+
+struct ice_gpr_pu {
+ /* array of flags to indicate if GRP needs to be updated */
+ bool gpr_val_upd[ICE_PARSER_GPR_NUM];
+ u16 gpr_val[ICE_PARSER_GPR_NUM];
+ u64 flg_msk;
+ u64 flg_val;
+ u16 err_msk;
+ u16 err_val;
+};
+
+enum ice_pg_pri {
+ ICE_PG_P0 = 0,
+ ICE_PG_P1 = 1,
+ ICE_PG_P2 = 2,
+ ICE_PG_P3 = 3,
+};
struct ice_parser_rt {
struct ice_parser *psr;
@@ -27,6 +50,17 @@ struct ice_parser_rt {
u8 pkt_buf[ICE_PARSER_MAX_PKT_LEN + ICE_PARSER_PKT_REV];
u16 pkt_len;
u16 po;
+ u8 bst_key[ICE_BST_KEY_SIZE];
+ struct ice_pg_cam_key pg_key;
+ struct ice_alu *alu0;
+ struct ice_alu *alu1;
+ struct ice_alu *alu2;
+ struct ice_pg_cam_action *action;
+ u8 pg_pri;
+ struct ice_gpr_pu pu;
+ u8 markers[ICE_MARKER_ID_SIZE];
+ bool protocols[ICE_PO_PAIR_SIZE];
+ u16 offsets[ICE_PO_PAIR_SIZE];
};
void ice_parser_rt_reset(struct ice_parser_rt *rt);
--
2.25.1
Powered by blists - more mailing lists