#include "ice_common.h"
static void ice_rt_tsr_set(struct ice_parser_rt *rt, u16 tsr)
{
rt->gpr[ICE_GPR_TSR_IDX] = tsr;
}
static void ice_rt_ho_set(struct ice_parser_rt *rt, u16 ho)
{
rt->gpr[ICE_GPR_HO_IDX] = ho;
memcpy(&rt->gpr[ICE_GPR_HV_IDX], &rt->pkt_buf[ho], ICE_GPR_HV_SIZE);
}
static void ice_rt_np_set(struct ice_parser_rt *rt, u16 pc)
{
rt->gpr[ICE_GPR_NP_IDX] = pc;
}
static void ice_rt_nn_set(struct ice_parser_rt *rt, u16 node)
{
rt->gpr[ICE_GPR_NN_IDX] = node;
}
static void
ice_rt_flag_set(struct ice_parser_rt *rt, unsigned int idx, bool set)
{
struct ice_hw *hw = rt->psr->hw;
unsigned int word, id;
word = idx / ICE_GPR_FLG_SIZE;
id = idx % ICE_GPR_FLG_SIZE;
if (set) {
rt->gpr[ICE_GPR_FLG_IDX + word] |= (u16)BIT(id);
ice_debug(hw, ICE_DBG_PARSER, "Set parser flag %u\n", idx);
} else {
rt->gpr[ICE_GPR_FLG_IDX + word] &= ~(u16)BIT(id);
ice_debug(hw, ICE_DBG_PARSER, "Clear parser flag %u\n", idx);
}
}
static void ice_rt_gpr_set(struct ice_parser_rt *rt, int idx, u16 val)
{
struct ice_hw *hw = rt->psr->hw;
if (idx == ICE_GPR_HO_IDX)
ice_rt_ho_set(rt, val);
else
rt->gpr[idx] = val;
ice_debug(hw, ICE_DBG_PARSER, "Set GPR %d value %d\n", idx, val);
}
static void ice_rt_err_set(struct ice_parser_rt *rt, unsigned int idx, bool set)
{
struct ice_hw *hw = rt->psr->hw;
if (set) {
rt->gpr[ICE_GPR_ERR_IDX] |= (u16)BIT(idx);
ice_debug(hw, ICE_DBG_PARSER, "Set parser error %u\n", idx);
} else {
rt->gpr[ICE_GPR_ERR_IDX] &= ~(u16)BIT(idx);
ice_debug(hw, ICE_DBG_PARSER, "Reset parser error %u\n", idx);
}
}
void ice_parser_rt_reset(struct ice_parser_rt *rt)
{
struct ice_parser *psr = rt->psr;
struct ice_metainit_item *mi;
unsigned int i;
mi = &psr->mi_table[0];
memset(rt, 0, sizeof(*rt));
rt->psr = psr;
ice_rt_tsr_set(rt, mi->tsr);
ice_rt_ho_set(rt, mi->ho);
ice_rt_np_set(rt, mi->pc);
ice_rt_nn_set(rt, mi->pg_rn);
for (i = 0; i < ICE_PARSER_FLG_NUM; i++) {
if (mi->flags & BIT(i))
ice_rt_flag_set(rt, i, true);
}
}
void ice_parser_rt_pktbuf_set(struct ice_parser_rt *rt, const u8 *pkt_buf,
int pkt_len)
{
int len = min(ICE_PARSER_MAX_PKT_LEN, pkt_len);
u16 ho = rt->gpr[ICE_GPR_HO_IDX];
memcpy(rt->pkt_buf, pkt_buf, len);
rt->pkt_len = pkt_len;
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] = tsr;
else
key[idd] = imem->b_kb.prio;
idd = ICE_BST_TCAM_KEY_SIZE - 2;
for (i = idd; i >= 0; i--) {
int j;
j = ho + idd - i;
if (j < ICE_PARSER_MAX_PKT_LEN)
key[i] = rt->pkt_buf[j];
else
key[i] = 0;
}
ice_debug_array_w_prefix(rt->psr->hw, ICE_DBG_PARSER,
KBUILD_MODNAME ": Generated Boost TCAM Key",
key, ICE_BST_TCAM_KEY_SIZE);
}
static u16 ice_bit_rev_u16(u16 v, int len)
{
return bitrev16(v) >> (BITS_PER_TYPE(v) - len);
}
static u32 ice_bit_rev_u32(u32 v, int len)
{
return bitrev32(v) >> (BITS_PER_TYPE(v) - len);
}
static u32 ice_hv_bit_sel(struct ice_parser_rt *rt, int start, int len)
{
int offset;
u32 buf[2];
u64 val;
offset = ICE_GPR_HV_IDX + (start / BITS_PER_TYPE(u16));
memcpy(buf, &rt->gpr[offset], sizeof(buf));
buf[0] = bitrev8x4(buf[0]);
buf[1] = bitrev8x4(buf[1]);
val = *(u64 *)buf;
val >>= start % BITS_PER_TYPE(u16);
return ice_bit_rev_u32(val, 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_TYPE(u16));
else if (kb->opc == ICE_NPKB_OPC_BYPASS)
return 0;
ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Unsupported OP Code %u\n",
kb->opc);
return U32_MAX;
}
static bool ice_flag_get(struct ice_parser_rt *rt, unsigned int index)
{
int word = index / ICE_GPR_FLG_SIZE;
int id = index % ICE_GPR_FLG_SIZE;
return !!(rt->gpr[ICE_GPR_FLG_IDX + word] & (u16)BIT(id));
}
static int 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 (rt->pg_key.next_proto == U32_MAX)
return -EINVAL;
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), flag0-3(%d,%d,%d,%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);
return 0;
}
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_prio = imem->pg_prio;
ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load PG priority %d from imem pc %d\n",
rt->pg_prio, imem->idx);
}
static int 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 (rt->pg_key.next_proto == U32_MAX)
return -EINVAL;
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), flag0-3(%d,%d,%d,%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);
return 0;
}
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_prio = bst->pg_prio;
ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Load PG priority %d from boost address %d\n",
rt->pg_prio, bst->addr);
}
static struct ice_pg_cam_item *ice_rt_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)
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_rt_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)
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_ULL(idx);
if (val)
rt->pu.flg_val |= BIT_ULL(idx);
else
rt->pu.flg_val &= ~BIT_ULL(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)
{
u32 hv_bit_sel;
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)));
} else {
for (i = 0; i < alu->dst_len; i++) {
hv_bit_sel = ice_hv_bit_sel(rt,
alu->flags_start_imm + i,
1);
ice_flg_add(rt, alu->dst_start + i, !!hv_bit_sel);
}
}
}
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)
{
int offset;
u32 val;
offset = ICE_GPR_HV_IDX + (start / BITS_PER_TYPE(u16));
memcpy(&val, &rt->gpr[offset], sizeof(val));
val = bitrev8x4(val);
val >>= start % BITS_PER_TYPE(u16);
return ice_bit_rev_u16(val, 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 = (src << shift) + imm;
ice_gpr_add(rt, alu->dst_reg_id, dst);
break;
case ICE_ALU_ADD:
dst += (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:
ice_dst_reg_bit_set(rt, alu, src == imm);
ice_gpr_add(rt, ICE_GPR_NP_IDX, alu->branch_addr);
break;
case ICE_ALU_MOV_XOR:
dst = (src << shift) ^ 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;
unsigned 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(i))
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));
switch (rt->pg_prio) {
case (ICE_PG_P0):
ice_pg_exe(rt);
ice_alu0_exe(rt);
ice_alu1_exe(rt);
ice_alu2_exe(rt);
break;
case (ICE_PG_P1):
ice_alu0_exe(rt);
ice_pg_exe(rt);
ice_alu1_exe(rt);
ice_alu2_exe(rt);
break;
case (ICE_PG_P2):
ice_alu0_exe(rt);
ice_alu1_exe(rt);
ice_pg_exe(rt);
ice_alu2_exe(rt);
break;
case (ICE_PG_P3):
ice_alu0_exe(rt);
ice_alu1_exe(rt);
ice_alu2_exe(rt);
ice_pg_exe(rt);
break;
}
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 = rt->po + entry->offset;
else
po = 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)
{
unsigned int byte = idx / BITS_PER_BYTE;
unsigned int bit = idx % BITS_PER_BYTE;
rt->markers[byte] |= (u8)BIT(bit);
}
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_MAX_SIZE)
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_MAX_SIZE)
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_ptype_mk_tcam_item *item;
struct ice_parser *psr = rt->psr;
item = ice_ptype_mk_tcam_match(psr->ptype_mk_tcam_table,
rt->markers, ICE_MARKER_ID_SIZE);
if (item)
return item->ptype;
ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Could not resolve PTYPE\n");
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));
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);
rslt->ptype = ice_ptype_resolve(rt);
}
int ice_parser_rt_execute(struct ice_parser_rt *rt,
struct ice_parser_result *rslt)
{
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: %u\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: %u\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");
status = ice_imem_pgk_init(rt, imem);
if (status)
break;
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: %u\n",
bst->addr);
if (imem->b_m.pg) {
status = ice_bst_pgk_init(rt, bst);
if (status)
break;
ice_bst_pgp_set(rt, bst);
} else {
status = ice_imem_pgk_init(rt, imem);
if (status)
break;
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_rt_pg_cam_match(rt);
if (!pg_cam) {
pg_nm_cam = ice_rt_pg_nm_cam_match(rt);
if (pg_nm_cam) {
ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Match ParseGraph Nomatch CAM Address %u\n",
pg_nm_cam->idx);
rt->action = &pg_nm_cam->action;
}
} else {
ice_debug(rt->psr->hw, ICE_DBG_PARSER, "Match ParseGraph CAM Address %u\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 %u\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 (%u) is larger than packet len (%u), stop parsing\n",
rt->gpr[ICE_GPR_HO_IDX], rt->pkt_len);
break;
}
}
ice_result_resolve(rt, rslt);
return status;
}
