* Make as much checks as possible on an Ethernet item, and if a flow is * provided, fill it appropriately with Ethernet info. * * @param[in] item * Item specification. * @param[in, out] data * Additional data structure to tell next layers we've been here. * * @return * 0 if checks are alright, -1 otherwise. */
| 516 | * 0 if checks are alright, -1 otherwise. |
| 517 | */ |
| 518 | static int |
| 519 | tap_flow_create_eth(const struct rte_flow_item *item, void *data) |
| 520 | { |
| 521 | struct convert_data *info = (struct convert_data *)data; |
| 522 | const struct rte_flow_item_eth *spec = item->spec; |
| 523 | const struct rte_flow_item_eth *mask = item->mask; |
| 524 | struct rte_flow *flow = info->flow; |
| 525 | struct nlmsg *msg; |
| 526 | |
| 527 | /* use default mask if none provided */ |
| 528 | if (!mask) |
| 529 | mask = tap_flow_items[RTE_FLOW_ITEM_TYPE_ETH].default_mask; |
| 530 | /* TC does not support eth_type masking. Only accept if exact match. */ |
| 531 | if (mask->hdr.ether_type && mask->hdr.ether_type != 0xffff) |
| 532 | return -1; |
| 533 | if (!spec) |
| 534 | return 0; |
| 535 | /* store eth_type for consistency if ipv4/6 pattern item comes next */ |
| 536 | if (spec->hdr.ether_type & mask->hdr.ether_type) |
| 537 | info->eth_type = spec->hdr.ether_type; |
| 538 | if (!flow) |
| 539 | return 0; |
| 540 | msg = &flow->msg; |
| 541 | if (!rte_is_zero_ether_addr(&mask->hdr.dst_addr)) { |
| 542 | tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_ETH_DST, |
| 543 | RTE_ETHER_ADDR_LEN, |
| 544 | &spec->hdr.dst_addr.addr_bytes); |
| 545 | tap_nlattr_add(&msg->nh, |
| 546 | TCA_FLOWER_KEY_ETH_DST_MASK, RTE_ETHER_ADDR_LEN, |
| 547 | &mask->hdr.dst_addr.addr_bytes); |
| 548 | } |
| 549 | if (!rte_is_zero_ether_addr(&mask->hdr.src_addr)) { |
| 550 | tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_ETH_SRC, |
| 551 | RTE_ETHER_ADDR_LEN, |
| 552 | &spec->hdr.src_addr.addr_bytes); |
| 553 | tap_nlattr_add(&msg->nh, |
| 554 | TCA_FLOWER_KEY_ETH_SRC_MASK, RTE_ETHER_ADDR_LEN, |
| 555 | &mask->hdr.src_addr.addr_bytes); |
| 556 | } |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | /** |
| 561 | * Make as much checks as possible on a VLAN item, and if a flow is provided, |
nothing calls this directly
no test coverage detected