/* *------------------------------------------------------------------ * Copyright (c) 2020 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #include <vppinfra/mem.h> #include "avf_advanced_flow.h" #define AVF_FDIR_IPV6_TC_OFFSET 20 #define AVF_IPV6_TC_MASK (0xFF << AVF_FDIR_IPV6_TC_OFFSET) #define AVF_FDIR_MAX_QREGION_SIZE 128 /* * Return the last (most-significant) bit set. */ static inline int fls_u32 (u32 x) { return (x == 0) ? 0 : 32 - count_leading_zeros (x); } static inline int ether_addr_is_zero (const struct avf_ether_addr *ea) { const u16 *w = (const u16 *) ea; return (w[0] | w[1] | w[2]) == 0; } int avf_fdir_rcfg_create (struct avf_fdir_conf **rcfg, int tunnel_level, u16 vsi, u16 nrxq) { (*rcfg) = clib_mem_alloc (sizeof (**rcfg)); if ((*rcfg) == NULL) { return -1; } clib_memset (*rcfg, 0, sizeof (**rcfg)); (*rcfg)->add_fltr.rule_cfg.proto_hdrs.tunnel_level = tunnel_level; (*rcfg)->vsi = vsi; (*rcfg)->nb_rx_queues = nrxq; return 0; } int avf_fdir_rcfg_destroy (struct avf_fdir_conf *rcfg) { clib_mem_free (rcfg); return 0; } int avf_fdir_rcfg_set_hdr (struct avf_fdir_conf *rcfg, int layer, enum virtchnl_proto_hdr_type hdr) { struct virtchnl_proto_hdrs *hdrs; hdrs = &rcfg->add_fltr.rule_cfg.proto_hdrs; if (layer >= VIRTCHNL_MAX_NUM_PROTO_HDRS) return -1; hdrs->proto_hdr[layer].type = hdr; return 0; } int avf_fdir_rcfg_set_field (struct avf_fdir_conf *rcfg, int layer, struct avf_flow_item *item, struct avf_flow_error *error) { const struct avf_ipv4_hdr *ipv4_spec, *ipv4_mask; const struct avf_ipv6_hdr *ipv6_spec, *ipv6_mask; const struct avf_udp_hdr *udp_spec, *udp_mask; const struct avf_tcp_hdr *tcp_spec, *tcp_mask; const struct avf_sctp_hdr *sctp_spec, *sctp_mask; const struct avf_gtp_hdr *gtp_spec, *gtp_mask; const struct avf_gtp_psc_hdr *gtp_psc_spec, *gtp_psc_mask; const struct avf_l2tpv3oip_hdr *l2tpv3oip_spec, *l2tpv3oip_mask; const struct avf_esp_hdr *esp_spec, *esp_mask; const struct avf_ah_hdr *ah_spec, *ah_mask; const struct avf_pfcp_hdr *pfcp_spec, *pfcp_mask; const struct avf_flow_eth_hdr *eth_spec, *eth_mask; struct virtchnl_proto_hdr *hdr; enum virtchnl_proto_hdr_type type; u16 ether_type; int ret = 0; u8 ipv6_addr_mask[16] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; hdr = &rcfg->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer]; type = item->type; switch (type) { case VIRTCHNL_PROTO_HDR_ETH: eth_spec = item->spec; eth_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_ETH; if (eth_spec && eth_mask) { if (!ether_addr_is_zero (ð_mask->src) || !ether_addr_is_zero (ð_mask->dst)) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid MAC_addr mask."); return ret; } if (eth_mask->type) { if (eth_mask->type != 0xffff) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid type mask."); return ret; } } } if (eth_spec && eth_mask && eth_mask->type) { ether_type = clib_net_to_host_u16 (eth_spec->type); if (ether_type == AVF_ETHER_TYPE_IPV4 || ether_type == AVF_ETHER_TYPE_IPV6) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Unsupported ether_type."); return ret; } rcfg->input_set |= AVF_INSET_ETHERTYPE; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, ETH, ETHERTYPE); clib_memcpy (hdr->buffer, eth_spec, sizeof (*eth_spec)); } break; case VIRTCHNL_PROTO_HDR_IPV4: ipv4_spec = item->spec; ipv4_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_IPV4; if (ipv4_spec && ipv4_mask) { if (ipv4_mask->version_ihl || ipv4_mask->total_length || ipv4_mask->packet_id || ipv4_mask->fragment_offset || ipv4_mask->hdr_checksum) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid IPv4 mask."); return ret; } if (ipv4_mask->type_of_service == 0xff) { rcfg->input_set |= AVF_INSET_IPV4_TOS; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, DSCP); } if (ipv4_mask->next_proto_id == 0xff) { rcfg->input_set |= AVF_INSET_IPV4_PROTO; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, PROT); } if (ipv4_mask->time_to_live == 0xff) { rcfg->input_set |= AVF_INSET_IPV4_TTL; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, TTL); } if (ipv4_mask->src_addr == 0xffffffff) { rcfg->input_set |= AVF_INSET_IPV4_SRC; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, SRC); } if (ipv4_mask->dst_addr == 0xffffffff) { rcfg->input_set |= AVF_INSET_IPV4_DST; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, DST); } clib_memcpy (hdr->buffer, ipv4_spec, sizeof (*ipv4_spec)); } break; case VIRTCHNL_PROTO_HDR_IPV6: ipv6_spec = item->spec; ipv6_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_IPV6; if (ipv6_spec && ipv6_mask) { if (ipv6_mask->payload_len) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid IPv6 mask"); return ret; } if ((ipv6_mask->vtc_flow & clib_host_to_net_u32 (AVF_IPV6_TC_MASK)) == (clib_host_to_net_u32 (AVF_IPV6_TC_MASK))) { rcfg->input_set |= AVF_INSET_IPV6_TC; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, TC); } if (ipv6_mask->proto == 0xff) { rcfg->input_set |= AVF_INSET_IPV6_NEXT_HDR; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, PROT); } if (ipv6_mask->hop_limits == 0xff) { rcfg->input_set |= AVF_INSET_IPV6_HOP_LIMIT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, HOP_LIMIT); } if (!clib_memcmp (ipv6_mask->src_addr, ipv6_addr_mask, sizeof (ipv6_mask->src_addr))) { rcfg->input_set |= AVF_INSET_IPV6_SRC; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, SRC); } if (!clib_memcmp (ipv6_mask->dst_addr, ipv6_addr_mask, sizeof (ipv6_mask->dst_addr))) { rcfg->input_set |= AVF_INSET_IPV6_DST; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, DST); clib_memcpy (hdr->buffer, ipv6_spec, sizeof (*ipv6_spec)); } } break; case VIRTCHNL_PROTO_HDR_UDP: udp_spec = item->spec; udp_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_UDP; if (udp_spec && udp_mask) { if (udp_mask->dgram_len || udp_mask->dgram_cksum) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid UDP mask"); return ret; }; if (udp_mask->src_port == 0xffff) { rcfg->input_set |= AVF_INSET_UDP_SRC_PORT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, UDP, SRC_PORT); } if (udp_mask->dst_port == 0xffff) { rcfg->input_set |= AVF_INSET_UDP_DST_PORT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, UDP, DST_PORT); } clib_memcpy (hdr->buffer, udp_spec, sizeof (*udp_spec)); } break; case VIRTCHNL_PROTO_HDR_TCP: tcp_spec = item->spec; tcp_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_TCP; if (tcp_spec && tcp_mask) { if (tcp_mask->sent_seq || tcp_mask->recv_ack || tcp_mask->data_off || tcp_mask->tcp_flags || tcp_mask->rx_win || tcp_mask->cksum || tcp_mask->tcp_urp) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid TCP mask"); return ret; } if (tcp_mask->src_port == 0xffff) { rcfg->input_set |= AVF_INSET_TCP_SRC_PORT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, TCP, SRC_PORT); } if (tcp_mask->dst_port == 0xffff) { rcfg->input_set |= AVF_INSET_TCP_DST_PORT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, TCP, DST_PORT); } clib_memcpy (hdr->buffer, tcp_spec, sizeof (*tcp_spec)); } break; case VIRTCHNL_PROTO_HDR_SCTP: sctp_spec = item->spec; sctp_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_SCTP; if (sctp_spec && sctp_mask) { if (sctp_mask->cksum) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid UDP mask"); return ret; } if (sctp_mask->src_port == 0xffff) { rcfg->input_set |= AVF_INSET_SCTP_SRC_PORT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, SCTP, SRC_PORT); } if (sctp_mask->dst_port == 0xffff) { rcfg->input_set |= AVF_INSET_SCTP_DST_PORT; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, SCTP, DST_PORT); } clib_memcpy (hdr->buffer, sctp_spec, sizeof (*sctp_spec)); } break; case VIRTCHNL_PROTO_HDR_GTPU_IP: gtp_spec = item->spec; gtp_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_GTPU_IP; if (gtp_spec && gtp_mask) { if (gtp_mask->v_pt_rsv_flags || gtp_mask->msg_type || gtp_mask->msg_len) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid GTP mask"); return ret; } if (gtp_mask->teid == 0xffffffff) { rcfg->input_set |= AVF_INSET_GTPU_TEID; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, GTPU_IP, TEID); } clib_memcpy (hdr->buffer, gtp_spec, sizeof (*gtp_spec)); } break; case VIRTCHNL_PROTO_HDR_GTPU_EH: gtp_psc_spec = item->spec; gtp_psc_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_GTPU_EH; if (gtp_psc_spec && gtp_psc_mask) { if (gtp_psc_mask->qfi == 0xff) { rcfg->input_set |= AVF_INSET_GTPU_QFI; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, GTPU_EH, QFI); } clib_memcpy (hdr->buffer, gtp_psc_spec, sizeof (*gtp_psc_spec)); } break; case VIRTCHNL_PROTO_HDR_L2TPV3: l2tpv3oip_spec = item->spec; l2tpv3oip_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_L2TPV3; if (l2tpv3oip_spec && l2tpv3oip_mask) { if (l2tpv3oip_mask->session_id == 0xffffffff) { rcfg->input_set |= AVF_L2TPV3OIP_SESSION_ID; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, L2TPV3, SESS_ID); } clib_memcpy (hdr->buffer, l2tpv3oip_spec, sizeof (*l2tpv3oip_spec)); } break; case VIRTCHNL_PROTO_HDR_ESP: esp_spec = item->spec; esp_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_ESP; if (esp_spec && esp_mask) { if (esp_mask->spi == 0xffffffff) { rcfg->input_set |= AVF_INSET_ESP_SPI; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, ESP, SPI); } clib_memcpy (hdr->buffer, esp_spec, sizeof (*esp_spec)); } break; case VIRTCHNL_PROTO_HDR_AH: ah_spec = item->spec; ah_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_AH; if (ah_spec && ah_mask) { if (ah_mask->spi == 0xffffffff) { rcfg->input_set |= AVF_INSET_AH_SPI; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, AH, SPI); } clib_memcpy (hdr->buffer, ah_spec, sizeof (*ah_spec)); } break; case VIRTCHNL_PROTO_HDR_PFCP: pfcp_spec = item->spec; pfcp_mask = item->mask; hdr->type = VIRTCHNL_PROTO_HDR_PFCP; if (pfcp_spec && pfcp_mask) { if (pfcp_mask->s_field == 0xff) { rcfg->input_set |= AVF_INSET_PFCP_S_FIELD; VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, PFCP, S_FIELD); } clib_memcpy (hdr->buffer, pfcp_spec, sizeof (*pfcp_spec)); } break; default: ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM, item, "Invalid pattern item."); return ret; } return 0; } int avf_fdir_rcfg_act_queue (struct avf_fdir_conf *rcfg, int queue, int size, int act_idx) { if (act_idx >= VIRTCHNL_MAX_NUM_ACTIONS) return -AVF_FAILURE; struct virtchnl_filter_action *filter_action; filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx; filter_action->type = VIRTCHNL_ACTION_QUEUE; filter_action->act_conf.queue.index = queue; if (size == 1) return 0; else if (is_pow2 (size)) filter_action->act_conf.queue.region = fls_u32 (size) - 1; return 0; } int avf_fdir_parse_action_qregion (struct avf_fdir_conf *rcfg, const struct avf_flow_action *act, int act_idx, struct avf_flow_error *error) { const struct avf_flow_action_rss *rss = act->conf; struct virtchnl_filter_action *filter_action; u32 i; int ret; filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx; if (rss->queue_num <= 1) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, act, "Queue region size can't be 0 or 1."); return ret; } /* check if queue index for queue region is continuous */ for (i = 0; i < rss->queue_num - 1; i++) { if (rss->queue[i + 1] != rss->queue[i] + 1) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, act, "Discontinuous queue region"); return ret; } } if (rss->queue[rss->queue_num - 1] >= rcfg->nb_rx_queues) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, act, "Invalid queue region indexes."); return ret; } if (!(is_pow2 (rss->queue_num) && rss->queue_num <= AVF_FDIR_MAX_QREGION_SIZE)) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, act, "The region size should be any of the" "following values: 1, 2, 4, 8, 16, 32" ", 64, 128 as long as the total number of" "queues do not exceed the VSI allocation"); return ret; } filter_action->type = VIRTCHNL_ACTION_Q_REGION; filter_action->act_conf.queue.index = rss->queue[0]; filter_action->act_conf.queue.region = fls_u32 (rss->queue_num) - 1; return 0; } int avf_fdir_rcfg_act_drop (struct avf_fdir_conf *rcfg, int act_idx) { struct virtchnl_filter_action *filter_action; if (act_idx >= VIRTCHNL_MAX_NUM_ACTIONS) return -AVF_FAILURE; filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx; filter_action->type = VIRTCHNL_ACTION_DROP; return 0; } int avf_fdir_rcfg_act_mark (struct avf_fdir_conf *rcfg, const u32 mark, int act_idx) { struct virtchnl_filter_action *filter_action; if (act_idx >= VIRTCHNL_MAX_NUM_ACTIONS) return -AVF_FAILURE; filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx; filter_action->type = VIRTCHNL_ACTION_MARK; filter_action->act_conf.mark_id = mark; return 0; } int avf_fdir_rcfg_validate (struct avf_fdir_vc_ctx *ctx, struct avf_fdir_conf *rcfg) { int ret; rcfg->add_fltr.vsi_id = rcfg->vsi; rcfg->add_fltr.validate_only = 1; struct virtchnl_fdir_add fdir_ret; ret = ctx->vc_op (ctx->vc_hdl, VIRTCHNL_ADV_OP_ADD_FDIR_FILTER, &rcfg->add_fltr, sizeof (rcfg->add_fltr), &fdir_ret, sizeof (fdir_ret)); if (ret != 0) { return ret; } if (fdir_ret.status != VIRTCHNL_FDIR_SUCCESS) { ret = -fdir_ret.status; } return ret; } int avf_fdir_rule_create (struct avf_fdir_vc_ctx *ctx, struct avf_fdir_conf *rcfg) { int ret; rcfg->add_fltr.vsi_id = rcfg->vsi; rcfg->add_fltr.validate_only = 0; struct virtchnl_fdir_add fdir_ret; ret = ctx->vc_op (ctx->vc_hdl, VIRTCHNL_ADV_OP_ADD_FDIR_FILTER, &rcfg->add_fltr, sizeof (rcfg->add_fltr), &fdir_ret, sizeof (fdir_ret)); if (ret != 0) { return ret; } rcfg->flow_id = fdir_ret.flow_id; if (fdir_ret.status != VIRTCHNL_FDIR_SUCCESS) { ret = -fdir_ret.status; } return ret; } int avf_fdir_rule_destroy (struct avf_fdir_vc_ctx *ctx, struct avf_fdir_conf *rcfg) { int ret; struct virtchnl_fdir_del fdir_ret; rcfg->del_fltr.vsi_id = rcfg->vsi; rcfg->del_fltr.flow_id = rcfg->flow_id; ret = ctx->vc_op (ctx->vc_hdl, VIRTCHNL_ADV_OP_DEL_FDIR_FILTER, &rcfg->del_fltr, sizeof (rcfg->del_fltr), &fdir_ret, sizeof (fdir_ret)); if (ret != 0) { return ret; } if (fdir_ret.status != VIRTCHNL_FDIR_SUCCESS) { ret = -fdir_ret.status; } return ret; } int avf_fdir_parse_action (const struct avf_flow_action actions[], struct avf_fdir_conf *rcfg, struct avf_flow_error *error) { int act_idx = 0, ret = 0; u32 dest_num = 0; u32 mark_num = 0; u32 act_num; struct virtchnl_filter_action *filter_action; const struct avf_flow_action_queue *act_q; const struct avf_flow_action_mark *act_msk; struct virtchnl_fdir_rule *rule_cfg = &rcfg->add_fltr.rule_cfg; for (; actions->type != VIRTCHNL_ACTION_NONE; actions++, act_idx++) { switch (actions->type) { case VIRTCHNL_ACTION_PASSTHRU: dest_num++; filter_action = &rule_cfg->action_set.actions[act_idx]; filter_action->type = VIRTCHNL_ACTION_PASSTHRU; rule_cfg->action_set.count++; break; case VIRTCHNL_ACTION_DROP: dest_num++; ret = avf_fdir_rcfg_act_drop (rcfg, act_idx); if (ret) return ret; rule_cfg->action_set.count++; break; case VIRTCHNL_ACTION_QUEUE: dest_num++; act_q = actions->conf; if (act_q->index >= rcfg->nb_rx_queues) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, actions, "Invalid queue for FDIR."); return -AVF_FAILURE; } ret = avf_fdir_rcfg_act_queue (rcfg, act_q->index, 1, act_idx); if (ret) return ret; rule_cfg->action_set.count++; break; case VIRTCHNL_ACTION_Q_REGION: dest_num++; filter_action = &rule_cfg->action_set.actions[act_idx]; ret = avf_fdir_parse_action_qregion (rcfg, actions, act_idx, error); if (ret) return ret; rule_cfg->action_set.count++; break; case VIRTCHNL_ACTION_MARK: mark_num++; act_msk = actions->conf; rcfg->mark_flag = 1; ret = avf_fdir_rcfg_act_mark (rcfg, act_msk->id, act_idx); if (ret) return ret; rule_cfg->action_set.count++; break; default: ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, actions, "Invalid action."); return ret; } } if (dest_num >= 2) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, actions, "Unsupported action combination"); return ret; } if (mark_num >= 2) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, actions, "Too many mark actions"); return ret; } if (dest_num + mark_num == 0) { ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION, actions, "Empty action"); return ret; } /* Mark only is equal to mark + passthru. */ act_num = rule_cfg->action_set.count; if (dest_num == 0) { filter_action = &rule_cfg->action_set.actions[act_num]; filter_action->type = VIRTCHNL_ACTION_PASSTHRU; rule_cfg->action_set.count = ++act_num; } return ret; } int avf_fdir_parse_pattern (struct avf_fdir_conf *rcfg, struct avf_flow_item avf_items[], struct avf_flow_error *error) { int layer = 0; int ret = 0; struct avf_flow_item *item; for (item = avf_items; item->type != VIRTCHNL_PROTO_HDR_NONE; item++) { ret = avf_fdir_rcfg_set_field (rcfg, layer, item, error); if (ret) return ret; rcfg->add_fltr.rule_cfg.proto_hdrs.count = ++layer; } return ret; } int avf_flow_error_set (struct avf_flow_error *error, int code, enum avf_flow_error_type type, const void *cause, const char *message) { if (error) { *error = (struct avf_flow_error){ .type = type, .cause = cause, .message = message, }; } return code; } char * avf_fdir_prgm_error_decode (int err_no) { enum virtchnl_fdir_prgm_status status; char *s = NULL; err_no = -err_no; if (err_no >= VIRTCHNL_FDIR_FAILURE_MAX) return "Failed to program the rule due to other reasons"; status = (enum virtchnl_fdir_prgm_status) err_no; switch (status) { case VIRTCHNL_FDIR_SUCCESS: s = "Succeed in programming rule request by PF"; break; case VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE: s = "Failed to add rule request due to no hardware resource"; break; case VIRTCHNL_FDIR_FAILURE_RULE_EXIST: s = "Failed to add rule request due to the rule is already existed"; break; case VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT: s = "Failed to add rule request due to the rule is conflict with " "existing rule"; break; case VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST: s = "Failed to delete rule request due to this rule doesn't exist"; break; case VIRTCHNL_FDIR_FAILURE_RULE_INVALID: s = "Failed to add rule request due to the hardware doesn't support"; break; case VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT: s = "Failed to add rule request due to time out for programming"; break; case VIRTCHNL_FDIR_FAILURE_QUERY_INVALID: s = "Succeed in programming rule request by PF"; break; default: s = "Failed to program the rule due to other reasons"; break; } return s; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */