net/bnxt: configure PARIF for offload miss rules
[dpdk.git] / drivers / net / bnxt / tf_ulp / ulp_rte_parser.c
index 4c1221a..39f801b 100644 (file)
@@ -16,6 +16,7 @@
 #define ULP_VLAN_PRIORITY_SHIFT                13 /* First 3 bits */
 #define ULP_VLAN_PRIORITY_MASK         0x700
 #define ULP_VLAN_TAG_MASK              0xFFF /* Last 12 bits*/
+#define ULP_UDP_PORT_VXLAN             4789
 
 /* Utility function to skip the void items. */
 static inline int32_t
@@ -157,6 +158,43 @@ bnxt_ulp_rte_parser_act_parse(const struct rte_flow_action actions[],
        return BNXT_TF_RC_SUCCESS;
 }
 
+/*
+ * Function to handle the post processing of the computed
+ * fields for the interface.
+ */
+static void
+bnxt_ulp_comp_fld_intf_update(struct ulp_rte_parser_params *params)
+{
+       uint32_t ifindex;
+       uint16_t port_id, parif;
+       enum bnxt_ulp_direction_type dir;
+
+       /* get the direction details */
+       dir = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_DIRECTION);
+
+       if (dir == BNXT_ULP_DIR_INGRESS) {
+               /* read the port id details */
+               port_id = ULP_COMP_FLD_IDX_RD(params,
+                                             BNXT_ULP_CF_IDX_INCOMING_IF);
+               if (ulp_port_db_dev_port_to_ulp_index(params->ulp_ctx,
+                                                     port_id,
+                                                     &ifindex)) {
+                       BNXT_TF_DBG(ERR, "ParseErr:Portid is not valid\n");
+                       return;
+               }
+               /* Set port PARIF */
+               if (ulp_port_db_parif_get(params->ulp_ctx, ifindex,
+                                         BNXT_ULP_PHY_PORT_PARIF, &parif)) {
+                       BNXT_TF_DBG(ERR, "ParseErr:ifindex is not valid\n");
+                       return;
+               }
+               /* Parif needs to be reset to a free partition */
+               parif += BNXT_ULP_FREE_PARIF_BASE;
+               ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_PHY_PORT_PARIF,
+                                   parif);
+       }
+}
+
 /*
  * Function to handle the post processing of the parsing details
  */
@@ -209,6 +247,12 @@ bnxt_ulp_rte_parser_post_process(struct ulp_rte_parser_params *params)
                }
        }
 
+       /* Merge the hdr_fp_bit into the proto header bit */
+       params->hdr_bitmap.bits |= params->hdr_fp_bit.bits;
+
+       /* Update the computed interface parameters */
+       bnxt_ulp_comp_fld_intf_update(params);
+
        /* TBD: Handle the flow rejection scenarios */
        return 0;
 }
@@ -493,6 +537,34 @@ ulp_rte_phy_port_hdr_handler(const struct rte_flow_item *item,
        return BNXT_TF_RC_SUCCESS;
 }
 
+/* Function to handle the update of proto header based on field values */
+static void
+ulp_rte_l2_proto_type_update(struct ulp_rte_parser_params *param,
+                            uint16_t type, uint32_t in_flag)
+{
+       if (type == tfp_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
+               if (in_flag) {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_I_IPV4);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_I_L3, 1);
+               } else {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_O_IPV4);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_O_L3, 1);
+               }
+       } else if (type == tfp_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))  {
+               if (in_flag) {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_I_IPV6);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_I_L3, 1);
+               } else {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_O_IPV6);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_O_L3, 1);
+               }
+       }
+}
+
 /* Function to handle the parsing of RTE Flow item Ethernet Header. */
 int32_t
 ulp_rte_eth_hdr_handler(const struct rte_flow_item *item,
@@ -502,8 +574,9 @@ ulp_rte_eth_hdr_handler(const struct rte_flow_item *item,
        const struct rte_flow_item_eth *eth_mask = item->mask;
        struct ulp_rte_hdr_field *field;
        uint32_t idx = params->field_idx;
-       uint64_t set_flag = 0;
        uint32_t size;
+       uint16_t eth_type = 0;
+       uint32_t inner_flag = 0;
 
        /*
         * Copy the rte_flow_item for eth into hdr_field using ethernet
@@ -521,6 +594,7 @@ ulp_rte_eth_hdr_handler(const struct rte_flow_item *item,
                field = ulp_rte_parser_fld_copy(field,
                                                &eth_spec->type,
                                                sizeof(eth_spec->type));
+               eth_type = eth_spec->type;
        }
        if (eth_mask) {
                ulp_rte_prsr_mask_copy(params, &idx, eth_mask->dst.addr_bytes,
@@ -535,17 +609,15 @@ ulp_rte_eth_hdr_handler(const struct rte_flow_item *item,
        params->vlan_idx = params->field_idx;
        params->field_idx += BNXT_ULP_PROTO_HDR_VLAN_NUM;
 
-       /* Update the hdr_bitmap with BNXT_ULP_HDR_PROTO_I_ETH */
-       set_flag = ULP_BITMAP_ISSET(params->hdr_bitmap.bits,
-                                   BNXT_ULP_HDR_BIT_O_ETH);
-       if (set_flag)
+       /* Update the protocol hdr bitmap */
+       if (ULP_BITMAP_ISSET(params->hdr_bitmap.bits, BNXT_ULP_HDR_BIT_O_ETH)) {
                ULP_BITMAP_SET(params->hdr_bitmap.bits, BNXT_ULP_HDR_BIT_I_ETH);
-       else
-               ULP_BITMAP_RESET(params->hdr_bitmap.bits,
-                                BNXT_ULP_HDR_BIT_I_ETH);
-
-       /* update the hdr_bitmap with BNXT_ULP_HDR_PROTO_O_ETH */
-       ULP_BITMAP_SET(params->hdr_bitmap.bits, BNXT_ULP_HDR_BIT_O_ETH);
+               inner_flag = 1;
+       } else {
+               ULP_BITMAP_SET(params->hdr_bitmap.bits, BNXT_ULP_HDR_BIT_O_ETH);
+       }
+       /* Update the field protocol hdr bitmap */
+       ulp_rte_l2_proto_type_update(params, eth_type, inner_flag);
 
        return BNXT_TF_RC_SUCCESS;
 }
@@ -563,6 +635,8 @@ ulp_rte_vlan_hdr_handler(const struct rte_flow_item *item,
        uint16_t vlan_tag, priority;
        uint32_t outer_vtag_num;
        uint32_t inner_vtag_num;
+       uint16_t eth_type = 0;
+       uint32_t inner_flag = 0;
 
        /*
         * Copy the rte_flow_item for vlan into hdr_field using Vlan
@@ -583,6 +657,7 @@ ulp_rte_vlan_hdr_handler(const struct rte_flow_item *item,
                field = ulp_rte_parser_fld_copy(field,
                                                &vlan_spec->inner_type,
                                                sizeof(vlan_spec->inner_type));
+               eth_type = vlan_spec->inner_type;
        }
 
        if (vlan_mask) {
@@ -653,6 +728,7 @@ ulp_rte_vlan_hdr_handler(const struct rte_flow_item *item,
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_ONE_VTAG, 1);
                ULP_BITMAP_SET(params->hdr_bitmap.bits,
                               BNXT_ULP_HDR_BIT_IO_VLAN);
+               inner_flag = 1;
        } else if (ULP_BITMAP_ISSET(hdr_bit->bits, BNXT_ULP_HDR_BIT_O_ETH) &&
                   ULP_BITMAP_ISSET(hdr_bit->bits, BNXT_ULP_HDR_BIT_I_ETH) &&
                   inner_vtag_num == 1) {
@@ -664,13 +740,44 @@ ulp_rte_vlan_hdr_handler(const struct rte_flow_item *item,
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_ONE_VTAG, 0);
                ULP_BITMAP_SET(params->hdr_bitmap.bits,
                               BNXT_ULP_HDR_BIT_II_VLAN);
+               inner_flag = 1;
        } else {
                BNXT_TF_DBG(ERR, "Error Parsing:Vlan hdr found withtout eth\n");
                return BNXT_TF_RC_ERROR;
        }
+       /* Update the field protocol hdr bitmap */
+       ulp_rte_l2_proto_type_update(params, eth_type, inner_flag);
        return BNXT_TF_RC_SUCCESS;
 }
 
+/* Function to handle the update of proto header based on field values */
+static void
+ulp_rte_l3_proto_type_update(struct ulp_rte_parser_params *param,
+                            uint8_t proto, uint32_t in_flag)
+{
+       if (proto == IPPROTO_UDP) {
+               if (in_flag) {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_I_UDP);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_I_L4, 1);
+               } else {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_O_UDP);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_O_L4, 1);
+               }
+       } else if (proto == IPPROTO_TCP) {
+               if (in_flag) {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_I_TCP);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_I_L4, 1);
+               } else {
+                       ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                                      BNXT_ULP_HDR_BIT_O_TCP);
+                       ULP_COMP_FLD_IDX_WR(param, BNXT_ULP_CF_IDX_O_L4, 1);
+               }
+       }
+}
+
 /* Function to handle the parsing of RTE Flow item IPV4 Header. */
 int32_t
 ulp_rte_ipv4_hdr_handler(const struct rte_flow_item *item,
@@ -682,11 +789,14 @@ ulp_rte_ipv4_hdr_handler(const struct rte_flow_item *item,
        struct ulp_rte_hdr_bitmap *hdr_bitmap = &params->hdr_bitmap;
        uint32_t idx = params->field_idx;
        uint32_t size;
-       uint32_t inner_l3, outer_l3;
-
-       inner_l3 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_I_L3);
-       if (inner_l3) {
-               BNXT_TF_DBG(ERR, "Parse Error:Third L3 header not supported\n");
+       uint8_t proto = 0;
+       uint32_t inner_flag = 0;
+       uint32_t cnt;
+
+       /* validate there are no 3rd L3 header */
+       cnt = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_L3_HDR_CNT);
+       if (cnt == 2) {
+               BNXT_TF_DBG(ERR, "Parse Err:Third L3 header not supported\n");
                return BNXT_TF_RC_ERROR;
        }
 
@@ -723,6 +833,7 @@ ulp_rte_ipv4_hdr_handler(const struct rte_flow_item *item,
                field = ulp_rte_parser_fld_copy(field,
                                                &ipv4_spec->hdr.next_proto_id,
                                                size);
+               proto = ipv4_spec->hdr.next_proto_id;
                size = sizeof(ipv4_spec->hdr.hdr_checksum);
                field = ulp_rte_parser_fld_copy(field,
                                                &ipv4_spec->hdr.hdr_checksum,
@@ -782,18 +893,19 @@ ulp_rte_ipv4_hdr_handler(const struct rte_flow_item *item,
        params->field_idx += BNXT_ULP_PROTO_HDR_IPV4_NUM;
 
        /* Set the ipv4 header bitmap and computed l3 header bitmaps */
-       outer_l3 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_O_L3);
-       if (outer_l3 ||
-           ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4) ||
+       if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4) ||
            ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV6)) {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_IPV4);
-               inner_l3++;
-               ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_L3, inner_l3);
+               ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_L3, 1);
+               inner_flag = 1;
        } else {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4);
-               outer_l3++;
-               ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_O_L3, outer_l3);
+               ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_O_L3, 1);
        }
+
+       /* Update the field protocol hdr bitmap */
+       ulp_rte_l3_proto_type_update(params, proto, inner_flag);
+       ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_L3_HDR_CNT, ++cnt);
        return BNXT_TF_RC_SUCCESS;
 }
 
@@ -808,12 +920,15 @@ ulp_rte_ipv6_hdr_handler(const struct rte_flow_item *item,
        struct ulp_rte_hdr_bitmap *hdr_bitmap = &params->hdr_bitmap;
        uint32_t idx = params->field_idx;
        uint32_t size;
-       uint32_t inner_l3, outer_l3;
        uint32_t vtcf, vtcf_mask;
-
-       inner_l3 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_I_L3);
-       if (inner_l3) {
-               BNXT_TF_DBG(ERR, "Parse Error: 3'rd L3 header not supported\n");
+       uint8_t proto = 0;
+       uint32_t inner_flag = 0;
+       uint32_t cnt;
+
+       /* validate there are no 3rd L3 header */
+       cnt = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_L3_HDR_CNT);
+       if (cnt == 2) {
+               BNXT_TF_DBG(ERR, "Parse Err:Third L3 header not supported\n");
                return BNXT_TF_RC_ERROR;
        }
 
@@ -847,6 +962,7 @@ ulp_rte_ipv6_hdr_handler(const struct rte_flow_item *item,
                field = ulp_rte_parser_fld_copy(field,
                                                &ipv6_spec->hdr.proto,
                                                size);
+               proto = ipv6_spec->hdr.proto;
                size = sizeof(ipv6_spec->hdr.hop_limits);
                field = ulp_rte_parser_fld_copy(field,
                                                &ipv6_spec->hdr.hop_limits,
@@ -899,19 +1015,33 @@ ulp_rte_ipv6_hdr_handler(const struct rte_flow_item *item,
        params->field_idx += BNXT_ULP_PROTO_HDR_IPV6_NUM;
 
        /* Set the ipv6 header bitmap and computed l3 header bitmaps */
-       outer_l3 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_O_L3);
-       if (outer_l3 ||
-           ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4) ||
+       if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4) ||
            ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV6)) {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_IPV6);
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_L3, 1);
+               inner_flag = 1;
        } else {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV6);
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_O_L3, 1);
        }
+
+       /* Update the field protocol hdr bitmap */
+       ulp_rte_l3_proto_type_update(params, proto, inner_flag);
+       ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_L3_HDR_CNT, ++cnt);
+
        return BNXT_TF_RC_SUCCESS;
 }
 
+/* Function to handle the update of proto header based on field values */
+static void
+ulp_rte_l4_proto_type_update(struct ulp_rte_parser_params *param,
+                            uint16_t dst_port)
+{
+       if (dst_port == tfp_cpu_to_be_16(ULP_UDP_PORT_VXLAN))
+               ULP_BITMAP_SET(param->hdr_fp_bit.bits,
+                              BNXT_ULP_HDR_BIT_T_VXLAN);
+}
+
 /* Function to handle the parsing of RTE Flow item UDP Header. */
 int32_t
 ulp_rte_udp_hdr_handler(const struct rte_flow_item *item,
@@ -923,10 +1053,11 @@ ulp_rte_udp_hdr_handler(const struct rte_flow_item *item,
        struct ulp_rte_hdr_bitmap *hdr_bitmap = &params->hdr_bitmap;
        uint32_t idx = params->field_idx;
        uint32_t size;
-       uint32_t inner_l4, outer_l4;
+       uint16_t dst_port = 0;
+       uint32_t cnt;
 
-       inner_l4 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_I_L4);
-       if (inner_l4) {
+       cnt = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_L4_HDR_CNT);
+       if (cnt == 2) {
                BNXT_TF_DBG(ERR, "Parse Err:Third L4 header not supported\n");
                return BNXT_TF_RC_ERROR;
        }
@@ -944,6 +1075,7 @@ ulp_rte_udp_hdr_handler(const struct rte_flow_item *item,
                field = ulp_rte_parser_fld_copy(field,
                                                &udp_spec->hdr.dst_port,
                                                size);
+               dst_port = udp_spec->hdr.dst_port;
                size = sizeof(udp_spec->hdr.dgram_len);
                field = ulp_rte_parser_fld_copy(field,
                                                &udp_spec->hdr.dgram_len,
@@ -972,16 +1104,17 @@ ulp_rte_udp_hdr_handler(const struct rte_flow_item *item,
        params->field_idx += BNXT_ULP_PROTO_HDR_UDP_NUM;
 
        /* Set the udp header bitmap and computed l4 header bitmaps */
-       outer_l4 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_O_L4);
-       if (outer_l4 ||
-           ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP) ||
+       if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP) ||
            ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_TCP)) {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_UDP);
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_L4, 1);
        } else {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP);
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_O_L4, 1);
+               /* Update the field protocol hdr bitmap */
+               ulp_rte_l4_proto_type_update(params, dst_port);
        }
+       ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_L4_HDR_CNT, ++cnt);
        return BNXT_TF_RC_SUCCESS;
 }
 
@@ -996,11 +1129,11 @@ ulp_rte_tcp_hdr_handler(const struct rte_flow_item *item,
        struct ulp_rte_hdr_bitmap *hdr_bitmap = &params->hdr_bitmap;
        uint32_t idx = params->field_idx;
        uint32_t size;
-       uint32_t inner_l4, outer_l4;
+       uint32_t cnt;
 
-       inner_l4 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_I_L4);
-       if (inner_l4) {
-               BNXT_TF_DBG(ERR, "Parse Error:Third L4 header not supported\n");
+       cnt = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_L4_HDR_CNT);
+       if (cnt == 2) {
+               BNXT_TF_DBG(ERR, "Parse Err:Third L4 header not supported\n");
                return BNXT_TF_RC_ERROR;
        }
 
@@ -1082,9 +1215,7 @@ ulp_rte_tcp_hdr_handler(const struct rte_flow_item *item,
        params->field_idx += BNXT_ULP_PROTO_HDR_TCP_NUM;
 
        /* Set the udp header bitmap and computed l4 header bitmaps */
-       outer_l4 = ULP_COMP_FLD_IDX_RD(params, BNXT_ULP_CF_IDX_O_L4);
-       if (outer_l4 ||
-           ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP) ||
+       if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP) ||
            ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_TCP)) {
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_TCP);
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_I_L4, 1);
@@ -1092,6 +1223,7 @@ ulp_rte_tcp_hdr_handler(const struct rte_flow_item *item,
                ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_TCP);
                ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_O_L4, 1);
        }
+       ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_L4_HDR_CNT, ++cnt);
        return BNXT_TF_RC_SUCCESS;
 }