#include "mlx5_prm.h"
#include "mlx5_glue.h"
-/* Flow priority for control plane flows. */
-#define MLX5_CTRL_FLOW_PRIORITY 1
-
-/* Internet Protocol versions. */
-#define MLX5_IPV4 4
-#define MLX5_IPV6 6
-#define MLX5_GRE 47
-
-#ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-struct ibv_flow_spec_counter_action {
- int dummy;
-};
-#endif
-
-/* Dev ops structure defined in mlx5.c */
-extern const struct eth_dev_ops mlx5_dev_ops;
-extern const struct eth_dev_ops mlx5_dev_ops_isolate;
-
-/** Structure give to the conversion functions. */
-struct mlx5_flow_data {
- struct rte_eth_dev *dev; /** Ethernet device. */
- struct mlx5_flow_parse *parser; /** Parser context. */
- struct rte_flow_error *error; /** Error context. */
-};
-
-static int
-mlx5_flow_create_eth(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_vlan(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_ipv4(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_ipv6(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_udp(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_tcp(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_vxlan(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_vxlan_gpe(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_gre(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-static int
-mlx5_flow_create_mpls(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
-
-struct mlx5_flow_parse;
-
-static void
-mlx5_flow_create_copy(struct mlx5_flow_parse *parser, void *src,
- unsigned int size);
-
-static int
-mlx5_flow_create_flag_mark(struct mlx5_flow_parse *parser, uint32_t mark_id);
-
-static int
-mlx5_flow_create_count(struct rte_eth_dev *dev, struct mlx5_flow_parse *parser);
-
-/* Hash RX queue types. */
-enum hash_rxq_type {
- HASH_RXQ_TCPV4,
- HASH_RXQ_UDPV4,
- HASH_RXQ_IPV4,
- HASH_RXQ_TCPV6,
- HASH_RXQ_UDPV6,
- HASH_RXQ_IPV6,
- HASH_RXQ_ETH,
- HASH_RXQ_TUNNEL,
-};
-
-/* Initialization data for hash RX queue. */
-struct hash_rxq_init {
- uint64_t hash_fields; /* Fields that participate in the hash. */
- uint64_t dpdk_rss_hf; /* Matching DPDK RSS hash fields. */
- unsigned int flow_priority; /* Flow priority to use. */
- unsigned int ip_version; /* Internet protocol. */
-};
-
-/* Initialization data for hash RX queues. */
-const struct hash_rxq_init hash_rxq_init[] = {
- [HASH_RXQ_TCPV4] = {
- .hash_fields = (IBV_RX_HASH_SRC_IPV4 |
- IBV_RX_HASH_DST_IPV4 |
- IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP),
- .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV4_TCP,
- .flow_priority = 0,
- .ip_version = MLX5_IPV4,
- },
- [HASH_RXQ_UDPV4] = {
- .hash_fields = (IBV_RX_HASH_SRC_IPV4 |
- IBV_RX_HASH_DST_IPV4 |
- IBV_RX_HASH_SRC_PORT_UDP |
- IBV_RX_HASH_DST_PORT_UDP),
- .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV4_UDP,
- .flow_priority = 0,
- .ip_version = MLX5_IPV4,
- },
- [HASH_RXQ_IPV4] = {
- .hash_fields = (IBV_RX_HASH_SRC_IPV4 |
- IBV_RX_HASH_DST_IPV4),
- .dpdk_rss_hf = (ETH_RSS_IPV4 |
- ETH_RSS_FRAG_IPV4),
- .flow_priority = 1,
- .ip_version = MLX5_IPV4,
- },
- [HASH_RXQ_TCPV6] = {
- .hash_fields = (IBV_RX_HASH_SRC_IPV6 |
- IBV_RX_HASH_DST_IPV6 |
- IBV_RX_HASH_SRC_PORT_TCP |
- IBV_RX_HASH_DST_PORT_TCP),
- .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV6_TCP,
- .flow_priority = 0,
- .ip_version = MLX5_IPV6,
- },
- [HASH_RXQ_UDPV6] = {
- .hash_fields = (IBV_RX_HASH_SRC_IPV6 |
- IBV_RX_HASH_DST_IPV6 |
- IBV_RX_HASH_SRC_PORT_UDP |
- IBV_RX_HASH_DST_PORT_UDP),
- .dpdk_rss_hf = ETH_RSS_NONFRAG_IPV6_UDP,
- .flow_priority = 0,
- .ip_version = MLX5_IPV6,
- },
- [HASH_RXQ_IPV6] = {
- .hash_fields = (IBV_RX_HASH_SRC_IPV6 |
- IBV_RX_HASH_DST_IPV6),
- .dpdk_rss_hf = (ETH_RSS_IPV6 |
- ETH_RSS_FRAG_IPV6),
- .flow_priority = 1,
- .ip_version = MLX5_IPV6,
- },
- [HASH_RXQ_ETH] = {
- .hash_fields = 0,
- .dpdk_rss_hf = 0,
- .flow_priority = 2,
- },
-};
-
-/* Number of entries in hash_rxq_init[]. */
-const unsigned int hash_rxq_init_n = RTE_DIM(hash_rxq_init);
-
-/** Structure for holding counter stats. */
-struct mlx5_flow_counter_stats {
- uint64_t hits; /**< Number of packets matched by the rule. */
- uint64_t bytes; /**< Number of bytes matched by the rule. */
-};
-
-/** Structure for Drop queue. */
-struct mlx5_hrxq_drop {
- struct ibv_rwq_ind_table *ind_table; /**< Indirection table. */
- struct ibv_qp *qp; /**< Verbs queue pair. */
- struct ibv_wq *wq; /**< Verbs work queue. */
- struct ibv_cq *cq; /**< Verbs completion queue. */
-};
-
-/* Flows structures. */
-struct mlx5_flow {
- uint64_t hash_fields; /**< Fields that participate in the hash. */
- struct ibv_flow_attr *ibv_attr; /**< Pointer to Verbs attributes. */
- struct ibv_flow *ibv_flow; /**< Verbs flow. */
- struct mlx5_hrxq *hrxq; /**< Hash Rx queues. */
-};
-
-/* Drop flows structures. */
-struct mlx5_flow_drop {
- struct ibv_flow_attr *ibv_attr; /**< Pointer to Verbs attributes. */
- struct ibv_flow *ibv_flow; /**< Verbs flow. */
-};
-
-struct rte_flow {
- TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
- uint32_t mark:1; /**< Set if the flow is marked. */
- uint32_t drop:1; /**< Drop queue. */
- struct rte_flow_action_rss rss_conf; /**< RSS configuration */
- uint16_t (*queues)[]; /**< Queues indexes to use. */
- uint8_t rss_key[40]; /**< copy of the RSS key. */
- uint32_t tunnel; /**< Tunnel type of RTE_PTYPE_TUNNEL_XXX. */
- struct ibv_counter_set *cs; /**< Holds the counters for the rule. */
- struct mlx5_flow_counter_stats counter_stats;/**<The counter stats. */
- struct mlx5_flow frxq[RTE_DIM(hash_rxq_init)];
- /**< Flow with Rx queue. */
-};
-
-/** Static initializer for items. */
-#define ITEMS(...) \
- (const enum rte_flow_item_type []){ \
- __VA_ARGS__, RTE_FLOW_ITEM_TYPE_END, \
- }
-
-#define IS_TUNNEL(type) ( \
- (type) == RTE_FLOW_ITEM_TYPE_VXLAN || \
- (type) == RTE_FLOW_ITEM_TYPE_VXLAN_GPE || \
- (type) == RTE_FLOW_ITEM_TYPE_GRE || \
- (type) == RTE_FLOW_ITEM_TYPE_MPLS)
-
-const uint32_t flow_ptype[] = {
- [RTE_FLOW_ITEM_TYPE_VXLAN] = RTE_PTYPE_TUNNEL_VXLAN,
- [RTE_FLOW_ITEM_TYPE_VXLAN_GPE] = RTE_PTYPE_TUNNEL_VXLAN_GPE,
- [RTE_FLOW_ITEM_TYPE_GRE] = RTE_PTYPE_TUNNEL_GRE,
- [RTE_FLOW_ITEM_TYPE_MPLS] = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
-};
-
-#define PTYPE_IDX(t) ((RTE_PTYPE_TUNNEL_MASK & (t)) >> 12)
-
-const uint32_t ptype_ext[] = {
- [PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)] = RTE_PTYPE_TUNNEL_VXLAN |
- RTE_PTYPE_L4_UDP,
- [PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN_GPE)] = RTE_PTYPE_TUNNEL_VXLAN_GPE |
- RTE_PTYPE_L4_UDP,
- [PTYPE_IDX(RTE_PTYPE_TUNNEL_GRE)] = RTE_PTYPE_TUNNEL_GRE,
- [PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_GRE)] =
- RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
- [PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_UDP)] =
- RTE_PTYPE_TUNNEL_MPLS_IN_GRE | RTE_PTYPE_L4_UDP,
-};
-
-/** Structure to generate a simple graph of layers supported by the NIC. */
-struct mlx5_flow_items {
- /** List of possible actions for these items. */
- const enum rte_flow_action_type *const actions;
- /** Bit-masks corresponding to the possibilities for the item. */
- const void *mask;
- /**
- * Default bit-masks to use when item->mask is not provided. When
- * \default_mask is also NULL, the full supported bit-mask (\mask) is
- * used instead.
- */
- const void *default_mask;
- /** Bit-masks size in bytes. */
- const unsigned int mask_sz;
- /**
- * Conversion function from rte_flow to NIC specific flow.
- *
- * @param item
- * rte_flow item to convert.
- * @param default_mask
- * Default bit-masks to use when item->mask is not provided.
- * @param data
- * Internal structure to store the conversion.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is
- * set.
- */
- int (*convert)(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data);
- /** Size in bytes of the destination structure. */
- const unsigned int dst_sz;
- /** List of possible following items. */
- const enum rte_flow_item_type *const items;
-};
-
-/** Valid action for this PMD. */
-static const enum rte_flow_action_type valid_actions[] = {
- RTE_FLOW_ACTION_TYPE_DROP,
- RTE_FLOW_ACTION_TYPE_QUEUE,
- RTE_FLOW_ACTION_TYPE_MARK,
- RTE_FLOW_ACTION_TYPE_FLAG,
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
- RTE_FLOW_ACTION_TYPE_COUNT,
-#endif
- RTE_FLOW_ACTION_TYPE_END,
-};
-
-/** Graph of supported items and associated actions. */
-static const struct mlx5_flow_items mlx5_flow_items[] = {
- [RTE_FLOW_ITEM_TYPE_END] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
- RTE_FLOW_ITEM_TYPE_VXLAN,
- RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
- RTE_FLOW_ITEM_TYPE_GRE),
- },
- [RTE_FLOW_ITEM_TYPE_ETH] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_VLAN,
- RTE_FLOW_ITEM_TYPE_IPV4,
- RTE_FLOW_ITEM_TYPE_IPV6),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_eth){
- .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
- .src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
- .type = -1,
- },
- .default_mask = &rte_flow_item_eth_mask,
- .mask_sz = sizeof(struct rte_flow_item_eth),
- .convert = mlx5_flow_create_eth,
- .dst_sz = sizeof(struct ibv_flow_spec_eth),
- },
- [RTE_FLOW_ITEM_TYPE_VLAN] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_IPV4,
- RTE_FLOW_ITEM_TYPE_IPV6),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_vlan){
- .tci = -1,
- .inner_type = -1,
- },
- .default_mask = &rte_flow_item_vlan_mask,
- .mask_sz = sizeof(struct rte_flow_item_vlan),
- .convert = mlx5_flow_create_vlan,
- .dst_sz = 0,
- },
- [RTE_FLOW_ITEM_TYPE_IPV4] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_UDP,
- RTE_FLOW_ITEM_TYPE_TCP,
- RTE_FLOW_ITEM_TYPE_GRE),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_ipv4){
- .hdr = {
- .src_addr = -1,
- .dst_addr = -1,
- .type_of_service = -1,
- .next_proto_id = -1,
- },
- },
- .default_mask = &rte_flow_item_ipv4_mask,
- .mask_sz = sizeof(struct rte_flow_item_ipv4),
- .convert = mlx5_flow_create_ipv4,
- .dst_sz = sizeof(struct ibv_flow_spec_ipv4_ext),
- },
- [RTE_FLOW_ITEM_TYPE_IPV6] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_UDP,
- RTE_FLOW_ITEM_TYPE_TCP,
- RTE_FLOW_ITEM_TYPE_GRE),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_ipv6){
- .hdr = {
- .src_addr = {
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- },
- .dst_addr = {
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- },
- .vtc_flow = -1,
- .proto = -1,
- .hop_limits = -1,
- },
- },
- .default_mask = &rte_flow_item_ipv6_mask,
- .mask_sz = sizeof(struct rte_flow_item_ipv6),
- .convert = mlx5_flow_create_ipv6,
- .dst_sz = sizeof(struct ibv_flow_spec_ipv6),
- },
- [RTE_FLOW_ITEM_TYPE_UDP] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_VXLAN,
- RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
- RTE_FLOW_ITEM_TYPE_MPLS),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_udp){
- .hdr = {
- .src_port = -1,
- .dst_port = -1,
- },
- },
- .default_mask = &rte_flow_item_udp_mask,
- .mask_sz = sizeof(struct rte_flow_item_udp),
- .convert = mlx5_flow_create_udp,
- .dst_sz = sizeof(struct ibv_flow_spec_tcp_udp),
- },
- [RTE_FLOW_ITEM_TYPE_TCP] = {
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_tcp){
- .hdr = {
- .src_port = -1,
- .dst_port = -1,
- },
- },
- .default_mask = &rte_flow_item_tcp_mask,
- .mask_sz = sizeof(struct rte_flow_item_tcp),
- .convert = mlx5_flow_create_tcp,
- .dst_sz = sizeof(struct ibv_flow_spec_tcp_udp),
- },
- [RTE_FLOW_ITEM_TYPE_GRE] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
- RTE_FLOW_ITEM_TYPE_IPV4,
- RTE_FLOW_ITEM_TYPE_IPV6,
- RTE_FLOW_ITEM_TYPE_MPLS),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_gre){
- .protocol = -1,
- },
- .default_mask = &rte_flow_item_gre_mask,
- .mask_sz = sizeof(struct rte_flow_item_gre),
- .convert = mlx5_flow_create_gre,
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
- .dst_sz = sizeof(struct ibv_flow_spec_gre),
-#else
- .dst_sz = sizeof(struct ibv_flow_spec_tunnel),
-#endif
- },
- [RTE_FLOW_ITEM_TYPE_MPLS] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
- RTE_FLOW_ITEM_TYPE_IPV4,
- RTE_FLOW_ITEM_TYPE_IPV6),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_mpls){
- .label_tc_s = "\xff\xff\xf0",
- },
- .default_mask = &rte_flow_item_mpls_mask,
- .mask_sz = sizeof(struct rte_flow_item_mpls),
- .convert = mlx5_flow_create_mpls,
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
- .dst_sz = sizeof(struct ibv_flow_spec_mpls),
-#endif
- },
- [RTE_FLOW_ITEM_TYPE_VXLAN] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
- RTE_FLOW_ITEM_TYPE_IPV4, /* For L3 VXLAN. */
- RTE_FLOW_ITEM_TYPE_IPV6), /* For L3 VXLAN. */
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_vxlan){
- .vni = "\xff\xff\xff",
- },
- .default_mask = &rte_flow_item_vxlan_mask,
- .mask_sz = sizeof(struct rte_flow_item_vxlan),
- .convert = mlx5_flow_create_vxlan,
- .dst_sz = sizeof(struct ibv_flow_spec_tunnel),
- },
- [RTE_FLOW_ITEM_TYPE_VXLAN_GPE] = {
- .items = ITEMS(RTE_FLOW_ITEM_TYPE_ETH,
- RTE_FLOW_ITEM_TYPE_IPV4,
- RTE_FLOW_ITEM_TYPE_IPV6),
- .actions = valid_actions,
- .mask = &(const struct rte_flow_item_vxlan_gpe){
- .vni = "\xff\xff\xff",
- },
- .default_mask = &rte_flow_item_vxlan_gpe_mask,
- .mask_sz = sizeof(struct rte_flow_item_vxlan_gpe),
- .convert = mlx5_flow_create_vxlan_gpe,
- .dst_sz = sizeof(struct ibv_flow_spec_tunnel),
- },
-};
-
-/** Structure to pass to the conversion function. */
-struct mlx5_flow_parse {
- uint32_t inner; /**< Verbs value, set once tunnel is encountered. */
- uint32_t create:1;
- /**< Whether resources should remain after a validate. */
- uint32_t drop:1; /**< Target is a drop queue. */
- uint32_t mark:1; /**< Mark is present in the flow. */
- uint32_t count:1; /**< Count is present in the flow. */
- uint32_t mark_id; /**< Mark identifier. */
- struct rte_flow_action_rss rss_conf; /**< RSS configuration */
- uint16_t queues[RTE_MAX_QUEUES_PER_PORT]; /**< Queues indexes to use. */
- uint8_t rss_key[40]; /**< copy of the RSS key. */
- enum hash_rxq_type layer; /**< Last pattern layer detected. */
- enum hash_rxq_type out_layer; /**< Last outer pattern layer detected. */
- uint32_t tunnel; /**< Tunnel type of RTE_PTYPE_TUNNEL_XXX. */
- struct ibv_counter_set *cs; /**< Holds the counter set for the rule */
- struct {
- struct ibv_flow_attr *ibv_attr;
- /**< Pointer to Verbs attributes. */
- unsigned int offset;
- /**< Current position or total size of the attribute. */
- uint64_t hash_fields; /**< Verbs hash fields. */
- } queue[RTE_DIM(hash_rxq_init)];
-};
-
-static const struct rte_flow_ops mlx5_flow_ops = {
- .validate = mlx5_flow_validate,
- .create = mlx5_flow_create,
- .destroy = mlx5_flow_destroy,
- .flush = mlx5_flow_flush,
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
- .query = mlx5_flow_query,
-#else
- .query = NULL,
-#endif
- .isolate = mlx5_flow_isolate,
-};
-
-/* Convert FDIR request to Generic flow. */
-struct mlx5_fdir {
- struct rte_flow_attr attr;
- struct rte_flow_action actions[2];
- struct rte_flow_item items[4];
- struct rte_flow_item_eth l2;
- struct rte_flow_item_eth l2_mask;
- union {
- struct rte_flow_item_ipv4 ipv4;
- struct rte_flow_item_ipv6 ipv6;
- } l3;
- union {
- struct rte_flow_item_ipv4 ipv4;
- struct rte_flow_item_ipv6 ipv6;
- } l3_mask;
- union {
- struct rte_flow_item_udp udp;
- struct rte_flow_item_tcp tcp;
- } l4;
- union {
- struct rte_flow_item_udp udp;
- struct rte_flow_item_tcp tcp;
- } l4_mask;
- struct rte_flow_action_queue queue;
-};
-
-/* Verbs specification header. */
-struct ibv_spec_header {
- enum ibv_flow_spec_type type;
- uint16_t size;
-};
-
-/**
- * Check item is fully supported by the NIC matching capability.
- *
- * @param item[in]
- * Item specification.
- * @param mask[in]
- * Bit-masks covering supported fields to compare with spec, last and mask in
- * \item.
- * @param size
- * Bit-Mask size in bytes.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_item_validate(const struct rte_flow_item *item,
- const uint8_t *mask, unsigned int size)
-{
- unsigned int i;
- const uint8_t *spec = item->spec;
- const uint8_t *last = item->last;
- const uint8_t *m = item->mask ? item->mask : mask;
-
- if (!spec && (item->mask || last))
- goto error;
- if (!spec)
- return 0;
- /*
- * Single-pass check to make sure that:
- * - item->mask is supported, no bits are set outside mask.
- * - Both masked item->spec and item->last are equal (no range
- * supported).
- */
- for (i = 0; i < size; i++) {
- if (!m[i])
- continue;
- if ((m[i] | mask[i]) != mask[i])
- goto error;
- if (last && ((spec[i] & m[i]) != (last[i] & m[i])))
- goto error;
- }
- return 0;
-error:
- rte_errno = ENOTSUP;
- return -rte_errno;
-}
-
-/**
- * Extract attribute to the parser.
- *
- * @param[in] attr
- * Flow rule attributes.
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_convert_attributes(const struct rte_flow_attr *attr,
- struct rte_flow_error *error)
-{
- if (attr->group) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
- NULL,
- "groups are not supported");
- return -rte_errno;
- }
- if (attr->priority && attr->priority != MLX5_CTRL_FLOW_PRIORITY) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
- NULL,
- "priorities are not supported");
- return -rte_errno;
- }
- if (attr->egress) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
- NULL,
- "egress is not supported");
- return -rte_errno;
- }
- if (attr->transfer) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
- NULL,
- "transfer is not supported");
- return -rte_errno;
- }
- if (!attr->ingress) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
- NULL,
- "only ingress is supported");
- return -rte_errno;
- }
- return 0;
-}
-
-/**
- * Extract actions request to the parser.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param[in] actions
- * Associated actions (list terminated by the END action).
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- * @param[in, out] parser
- * Internal parser structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_convert_actions(struct rte_eth_dev *dev,
- const struct rte_flow_action actions[],
- struct rte_flow_error *error,
- struct mlx5_flow_parse *parser)
-{
- enum { FATE = 1, MARK = 2, COUNT = 4, };
- uint32_t overlap = 0;
- struct priv *priv = dev->data->dev_private;
-
- for (; actions->type != RTE_FLOW_ACTION_TYPE_END; ++actions) {
- if (actions->type == RTE_FLOW_ACTION_TYPE_VOID) {
- continue;
- } else if (actions->type == RTE_FLOW_ACTION_TYPE_DROP) {
- if (overlap & FATE)
- goto exit_action_overlap;
- overlap |= FATE;
- parser->drop = 1;
- } else if (actions->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
- const struct rte_flow_action_queue *queue =
- (const struct rte_flow_action_queue *)
- actions->conf;
-
- if (overlap & FATE)
- goto exit_action_overlap;
- overlap |= FATE;
- if (!queue || (queue->index > (priv->rxqs_n - 1)))
- goto exit_action_not_supported;
- parser->queues[0] = queue->index;
- parser->rss_conf = (struct rte_flow_action_rss){
- .queue_num = 1,
- .queue = parser->queues,
- };
- } else if (actions->type == RTE_FLOW_ACTION_TYPE_RSS) {
- const struct rte_flow_action_rss *rss =
- (const struct rte_flow_action_rss *)
- actions->conf;
- const uint8_t *rss_key;
- uint32_t rss_key_len;
- uint16_t n;
-
- if (overlap & FATE)
- goto exit_action_overlap;
- overlap |= FATE;
- if (rss->func &&
- rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "the only supported RSS hash"
- " function is Toeplitz");
- return -rte_errno;
- }
-#ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
- if (parser->rss_conf.level > 1) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "a nonzero RSS encapsulation"
- " level is not supported");
- return -rte_errno;
- }
-#endif
- if (parser->rss_conf.level > 2) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "RSS encapsulation level"
- " > 1 is not supported");
- return -rte_errno;
- }
- if (rss->types & MLX5_RSS_HF_MASK) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "unsupported RSS type"
- " requested");
- return -rte_errno;
- }
- if (rss->key_len) {
- rss_key_len = rss->key_len;
- rss_key = rss->key;
- } else {
- rss_key_len = rss_hash_default_key_len;
- rss_key = rss_hash_default_key;
- }
- if (rss_key_len != RTE_DIM(parser->rss_key)) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "RSS hash key must be"
- " exactly 40 bytes long");
- return -rte_errno;
- }
- if (!rss->queue_num) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "no valid queues");
- return -rte_errno;
- }
- if (rss->queue_num > RTE_DIM(parser->queues)) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "too many queues for RSS"
- " context");
- return -rte_errno;
- }
- for (n = 0; n < rss->queue_num; ++n) {
- if (rss->queue[n] >= priv->rxqs_n) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "queue id > number of"
- " queues");
- return -rte_errno;
- }
- }
- parser->rss_conf = (struct rte_flow_action_rss){
- .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
- .level = rss->level ? rss->level : 1,
- .types = rss->types,
- .key_len = rss_key_len,
- .queue_num = rss->queue_num,
- .key = memcpy(parser->rss_key, rss_key,
- sizeof(*rss_key) * rss_key_len),
- .queue = memcpy(parser->queues, rss->queue,
- sizeof(*rss->queue) *
- rss->queue_num),
- };
- } else if (actions->type == RTE_FLOW_ACTION_TYPE_MARK) {
- const struct rte_flow_action_mark *mark =
- (const struct rte_flow_action_mark *)
- actions->conf;
-
- if (overlap & MARK)
- goto exit_action_overlap;
- overlap |= MARK;
- if (!mark) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "mark must be defined");
- return -rte_errno;
- } else if (mark->id >= MLX5_FLOW_MARK_MAX) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "mark must be between 0"
- " and 16777199");
- return -rte_errno;
- }
- parser->mark = 1;
- parser->mark_id = mark->id;
- } else if (actions->type == RTE_FLOW_ACTION_TYPE_FLAG) {
- if (overlap & MARK)
- goto exit_action_overlap;
- overlap |= MARK;
- parser->mark = 1;
- } else if (actions->type == RTE_FLOW_ACTION_TYPE_COUNT &&
- priv->config.flow_counter_en) {
- if (overlap & COUNT)
- goto exit_action_overlap;
- overlap |= COUNT;
- parser->count = 1;
- } else {
- goto exit_action_not_supported;
- }
- }
- /* When fate is unknown, drop traffic. */
- if (!(overlap & FATE))
- parser->drop = 1;
- if (parser->drop && parser->mark)
- parser->mark = 0;
- if (!parser->rss_conf.queue_num && !parser->drop) {
- rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL, "no valid action");
- return -rte_errno;
- }
- return 0;
-exit_action_not_supported:
- rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
- actions, "action not supported");
- return -rte_errno;
-exit_action_overlap:
- rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
- actions, "overlapping actions are not supported");
- return -rte_errno;
-}
-
-/**
- * Validate items.
- *
- * @param[in] items
- * Pattern specification (list terminated by the END pattern item).
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- * @param[in, out] parser
- * Internal parser structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_convert_items_validate(struct rte_eth_dev *dev,
- const struct rte_flow_item items[],
- struct rte_flow_error *error,
- struct mlx5_flow_parse *parser)
-{
- struct priv *priv = dev->data->dev_private;
- const struct mlx5_flow_items *cur_item = mlx5_flow_items;
- unsigned int i;
- unsigned int last_voids = 0;
- int ret = 0;
-
- /* Initialise the offsets to start after verbs attribute. */
- for (i = 0; i != hash_rxq_init_n; ++i)
- parser->queue[i].offset = sizeof(struct ibv_flow_attr);
- for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
- const struct mlx5_flow_items *token = NULL;
- unsigned int n;
-
- if (items->type == RTE_FLOW_ITEM_TYPE_VOID) {
- last_voids++;
- continue;
- }
- for (i = 0;
- cur_item->items &&
- cur_item->items[i] != RTE_FLOW_ITEM_TYPE_END;
- ++i) {
- if (cur_item->items[i] == items->type) {
- token = &mlx5_flow_items[items->type];
- break;
- }
- }
- if (!token) {
- ret = -ENOTSUP;
- goto exit_item_not_supported;
- }
- cur_item = token;
- ret = mlx5_flow_item_validate(items,
- (const uint8_t *)cur_item->mask,
- cur_item->mask_sz);
- if (ret)
- goto exit_item_not_supported;
- if (IS_TUNNEL(items->type)) {
- if (parser->tunnel &&
- !((items - last_voids - 1)->type ==
- RTE_FLOW_ITEM_TYPE_GRE && items->type ==
- RTE_FLOW_ITEM_TYPE_MPLS)) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ITEM,
- items,
- "Cannot recognize multiple"
- " tunnel encapsulations.");
- return -rte_errno;
- }
- if (items->type == RTE_FLOW_ITEM_TYPE_MPLS &&
- !priv->config.mpls_en) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ITEM,
- items,
- "MPLS not supported or"
- " disabled in firmware"
- " configuration.");
- return -rte_errno;
- }
- if (!priv->config.tunnel_en &&
- parser->rss_conf.level > 1) {
- rte_flow_error_set(error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ITEM,
- items,
- "RSS on tunnel is not supported");
- return -rte_errno;
- }
- parser->inner = IBV_FLOW_SPEC_INNER;
- parser->tunnel = flow_ptype[items->type];
- }
- if (parser->drop) {
- parser->queue[HASH_RXQ_ETH].offset += cur_item->dst_sz;
- } else {
- for (n = 0; n != hash_rxq_init_n; ++n)
- parser->queue[n].offset += cur_item->dst_sz;
- }
- last_voids = 0;
- }
- if (parser->drop) {
- parser->queue[HASH_RXQ_ETH].offset +=
- sizeof(struct ibv_flow_spec_action_drop);
- }
- if (parser->mark) {
- for (i = 0; i != hash_rxq_init_n; ++i)
- parser->queue[i].offset +=
- sizeof(struct ibv_flow_spec_action_tag);
- }
- if (parser->count) {
- unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
-
- for (i = 0; i != hash_rxq_init_n; ++i)
- parser->queue[i].offset += size;
- }
- return 0;
-exit_item_not_supported:
- return rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_ITEM,
- items, "item not supported");
-}
-
-/**
- * Allocate memory space to store verbs flow attributes.
- *
- * @param[in] size
- * Amount of byte to allocate.
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- *
- * @return
- * A verbs flow attribute on success, NULL otherwise and rte_errno is set.
- */
-static struct ibv_flow_attr *
-mlx5_flow_convert_allocate(unsigned int size, struct rte_flow_error *error)
-{
- struct ibv_flow_attr *ibv_attr;
-
- ibv_attr = rte_calloc(__func__, 1, size, 0);
- if (!ibv_attr) {
- rte_flow_error_set(error, ENOMEM,
- RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL,
- "cannot allocate verbs spec attributes");
- return NULL;
- }
- return ibv_attr;
-}
-
-/**
- * Make inner packet matching with an higher priority from the non Inner
- * matching.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param[in, out] parser
- * Internal parser structure.
- * @param attr
- * User flow attribute.
- */
-static void
-mlx5_flow_update_priority(struct rte_eth_dev *dev,
- struct mlx5_flow_parse *parser,
- const struct rte_flow_attr *attr)
-{
- struct priv *priv = dev->data->dev_private;
- unsigned int i;
- uint16_t priority;
-
- /* 8 priorities >= 16 priorities
- * Control flow: 4-7 8-15
- * User normal flow: 1-3 4-7
- * User tunnel flow: 0-2 0-3
- */
- priority = attr->priority * MLX5_VERBS_FLOW_PRIO_8;
- if (priv->config.max_verbs_prio == MLX5_VERBS_FLOW_PRIO_8)
- priority /= 2;
- /*
- * Lower non-tunnel flow Verbs priority 1 if only support 8 Verbs
- * priorities, lower 4 otherwise.
- */
- if (!parser->inner) {
- if (priv->config.max_verbs_prio == MLX5_VERBS_FLOW_PRIO_8)
- priority += 1;
- else
- priority += MLX5_VERBS_FLOW_PRIO_8 / 2;
- }
- if (parser->drop) {
- parser->queue[HASH_RXQ_ETH].ibv_attr->priority = priority +
- hash_rxq_init[HASH_RXQ_ETH].flow_priority;
- return;
- }
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
- parser->queue[i].ibv_attr->priority = priority +
- hash_rxq_init[i].flow_priority;
- }
-}
-
-/**
- * Finalise verbs flow attributes.
- *
- * @param[in, out] parser
- * Internal parser structure.
- */
-static void
-mlx5_flow_convert_finalise(struct mlx5_flow_parse *parser)
-{
- unsigned int i;
- uint32_t inner = parser->inner;
-
- /* Don't create extra flows for outer RSS. */
- if (parser->tunnel && parser->rss_conf.level < 2)
- return;
- /*
- * Fill missing layers in verbs specifications, or compute the correct
- * offset to allocate the memory space for the attributes and
- * specifications.
- */
- for (i = 0; i != hash_rxq_init_n - 1; ++i) {
- union {
- struct ibv_flow_spec_ipv4_ext ipv4;
- struct ibv_flow_spec_ipv6 ipv6;
- struct ibv_flow_spec_tcp_udp udp_tcp;
- struct ibv_flow_spec_eth eth;
- } specs;
- void *dst;
- uint16_t size;
-
- if (i == parser->layer)
- continue;
- if (parser->layer == HASH_RXQ_ETH ||
- parser->layer == HASH_RXQ_TUNNEL) {
- if (hash_rxq_init[i].ip_version == MLX5_IPV4) {
- size = sizeof(struct ibv_flow_spec_ipv4_ext);
- specs.ipv4 = (struct ibv_flow_spec_ipv4_ext){
- .type = inner | IBV_FLOW_SPEC_IPV4_EXT,
- .size = size,
- };
- } else {
- size = sizeof(struct ibv_flow_spec_ipv6);
- specs.ipv6 = (struct ibv_flow_spec_ipv6){
- .type = inner | IBV_FLOW_SPEC_IPV6,
- .size = size,
- };
- }
- if (parser->queue[i].ibv_attr) {
- dst = (void *)((uintptr_t)
- parser->queue[i].ibv_attr +
- parser->queue[i].offset);
- memcpy(dst, &specs, size);
- ++parser->queue[i].ibv_attr->num_of_specs;
- }
- parser->queue[i].offset += size;
- }
- if ((i == HASH_RXQ_UDPV4) || (i == HASH_RXQ_TCPV4) ||
- (i == HASH_RXQ_UDPV6) || (i == HASH_RXQ_TCPV6)) {
- size = sizeof(struct ibv_flow_spec_tcp_udp);
- specs.udp_tcp = (struct ibv_flow_spec_tcp_udp) {
- .type = inner | ((i == HASH_RXQ_UDPV4 ||
- i == HASH_RXQ_UDPV6) ?
- IBV_FLOW_SPEC_UDP :
- IBV_FLOW_SPEC_TCP),
- .size = size,
- };
- if (parser->queue[i].ibv_attr) {
- dst = (void *)((uintptr_t)
- parser->queue[i].ibv_attr +
- parser->queue[i].offset);
- memcpy(dst, &specs, size);
- ++parser->queue[i].ibv_attr->num_of_specs;
- }
- parser->queue[i].offset += size;
- }
- }
-}
-
-/**
- * Update flows according to pattern and RSS hash fields.
- *
- * @param[in, out] parser
- * Internal parser structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_convert_rss(struct mlx5_flow_parse *parser)
-{
- unsigned int i;
- enum hash_rxq_type start;
- enum hash_rxq_type layer;
- int outer = parser->tunnel && parser->rss_conf.level < 2;
- uint64_t rss = parser->rss_conf.types;
-
- layer = outer ? parser->out_layer : parser->layer;
- if (layer == HASH_RXQ_TUNNEL)
- layer = HASH_RXQ_ETH;
- if (outer) {
- /* Only one hash type for outer RSS. */
- if (rss && layer == HASH_RXQ_ETH) {
- start = HASH_RXQ_TCPV4;
- } else if (rss && layer != HASH_RXQ_ETH &&
- !(rss & hash_rxq_init[layer].dpdk_rss_hf)) {
- /* If RSS not match L4 pattern, try L3 RSS. */
- if (layer < HASH_RXQ_IPV4)
- layer = HASH_RXQ_IPV4;
- else if (layer > HASH_RXQ_IPV4 && layer < HASH_RXQ_IPV6)
- layer = HASH_RXQ_IPV6;
- start = layer;
- } else {
- start = layer;
- }
- /* Scan first valid hash type. */
- for (i = start; rss && i <= layer; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
- if (hash_rxq_init[i].dpdk_rss_hf & rss)
- break;
- }
- if (rss && i <= layer)
- parser->queue[layer].hash_fields =
- hash_rxq_init[i].hash_fields;
- /* Trim unused hash types. */
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser->queue[i].ibv_attr && i != layer) {
- rte_free(parser->queue[i].ibv_attr);
- parser->queue[i].ibv_attr = NULL;
- }
- }
- } else {
- /* Expand for inner or normal RSS. */
- if (rss && (layer == HASH_RXQ_ETH || layer == HASH_RXQ_IPV4))
- start = HASH_RXQ_TCPV4;
- else if (rss && layer == HASH_RXQ_IPV6)
- start = HASH_RXQ_TCPV6;
- else
- start = layer;
- /* For L4 pattern, try L3 RSS if no L4 RSS. */
- /* Trim unused hash types. */
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
- if (i < start || i > layer) {
- rte_free(parser->queue[i].ibv_attr);
- parser->queue[i].ibv_attr = NULL;
- continue;
- }
- if (!rss)
- continue;
- if (hash_rxq_init[i].dpdk_rss_hf & rss) {
- parser->queue[i].hash_fields =
- hash_rxq_init[i].hash_fields;
- } else if (i != layer) {
- /* Remove unused RSS expansion. */
- rte_free(parser->queue[i].ibv_attr);
- parser->queue[i].ibv_attr = NULL;
- } else if (layer < HASH_RXQ_IPV4 &&
- (hash_rxq_init[HASH_RXQ_IPV4].dpdk_rss_hf &
- rss)) {
- /* Allow IPv4 RSS on L4 pattern. */
- parser->queue[i].hash_fields =
- hash_rxq_init[HASH_RXQ_IPV4]
- .hash_fields;
- } else if (i > HASH_RXQ_IPV4 && i < HASH_RXQ_IPV6 &&
- (hash_rxq_init[HASH_RXQ_IPV6].dpdk_rss_hf &
- rss)) {
- /* Allow IPv4 RSS on L4 pattern. */
- parser->queue[i].hash_fields =
- hash_rxq_init[HASH_RXQ_IPV6]
- .hash_fields;
- }
- }
- }
- return 0;
-}
-
-/**
- * Validate and convert a flow supported by the NIC.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param[in] attr
- * Flow rule attributes.
- * @param[in] pattern
- * Pattern specification (list terminated by the END pattern item).
- * @param[in] actions
- * Associated actions (list terminated by the END action).
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- * @param[in, out] parser
- * Internal parser structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_convert(struct rte_eth_dev *dev,
- const struct rte_flow_attr *attr,
- const struct rte_flow_item items[],
- const struct rte_flow_action actions[],
- struct rte_flow_error *error,
- struct mlx5_flow_parse *parser)
-{
- const struct mlx5_flow_items *cur_item = mlx5_flow_items;
- unsigned int i;
- int ret;
-
- /* First step. Validate the attributes, items and actions. */
- *parser = (struct mlx5_flow_parse){
- .create = parser->create,
- .layer = HASH_RXQ_ETH,
- .mark_id = MLX5_FLOW_MARK_DEFAULT,
- };
- ret = mlx5_flow_convert_attributes(attr, error);
- if (ret)
- return ret;
- ret = mlx5_flow_convert_actions(dev, actions, error, parser);
- if (ret)
- return ret;
- ret = mlx5_flow_convert_items_validate(dev, items, error, parser);
- if (ret)
- return ret;
- mlx5_flow_convert_finalise(parser);
- /*
- * Second step.
- * Allocate the memory space to store verbs specifications.
- */
- if (parser->drop) {
- unsigned int offset = parser->queue[HASH_RXQ_ETH].offset;
-
- parser->queue[HASH_RXQ_ETH].ibv_attr =
- mlx5_flow_convert_allocate(offset, error);
- if (!parser->queue[HASH_RXQ_ETH].ibv_attr)
- goto exit_enomem;
- parser->queue[HASH_RXQ_ETH].offset =
- sizeof(struct ibv_flow_attr);
- } else {
- for (i = 0; i != hash_rxq_init_n; ++i) {
- unsigned int offset;
-
- offset = parser->queue[i].offset;
- parser->queue[i].ibv_attr =
- mlx5_flow_convert_allocate(offset, error);
- if (!parser->queue[i].ibv_attr)
- goto exit_enomem;
- parser->queue[i].offset = sizeof(struct ibv_flow_attr);
- }
- }
- /* Third step. Conversion parse, fill the specifications. */
- parser->inner = 0;
- parser->tunnel = 0;
- parser->layer = HASH_RXQ_ETH;
- for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
- struct mlx5_flow_data data = {
- .dev = dev,
- .parser = parser,
- .error = error,
- };
-
- if (items->type == RTE_FLOW_ITEM_TYPE_VOID)
- continue;
- cur_item = &mlx5_flow_items[items->type];
- ret = cur_item->convert(items,
- (cur_item->default_mask ?
- cur_item->default_mask :
- cur_item->mask),
- &data);
- if (ret)
- goto exit_free;
- }
- if (!parser->drop) {
- /* RSS check, remove unused hash types. */
- ret = mlx5_flow_convert_rss(parser);
- if (ret)
- goto exit_free;
- /* Complete missing specification. */
- mlx5_flow_convert_finalise(parser);
- }
- mlx5_flow_update_priority(dev, parser, attr);
- if (parser->mark)
- mlx5_flow_create_flag_mark(parser, parser->mark_id);
- if (parser->count && parser->create) {
- mlx5_flow_create_count(dev, parser);
- if (!parser->cs)
- goto exit_count_error;
- }
-exit_free:
- /* Only verification is expected, all resources should be released. */
- if (!parser->create) {
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser->queue[i].ibv_attr) {
- rte_free(parser->queue[i].ibv_attr);
- parser->queue[i].ibv_attr = NULL;
- }
- }
- }
- return ret;
-exit_enomem:
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser->queue[i].ibv_attr) {
- rte_free(parser->queue[i].ibv_attr);
- parser->queue[i].ibv_attr = NULL;
- }
- }
- rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL, "cannot allocate verbs spec attributes");
- return -rte_errno;
-exit_count_error:
- rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL, "cannot create counter");
- return -rte_errno;
-}
-
-/**
- * Copy the specification created into the flow.
- *
- * @param parser
- * Internal parser structure.
- * @param src
- * Create specification.
- * @param size
- * Size in bytes of the specification to copy.
- */
-static void
-mlx5_flow_create_copy(struct mlx5_flow_parse *parser, void *src,
- unsigned int size)
-{
- unsigned int i;
- void *dst;
-
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
- dst = (void *)((uintptr_t)parser->queue[i].ibv_attr +
- parser->queue[i].offset);
- memcpy(dst, src, size);
- ++parser->queue[i].ibv_attr->num_of_specs;
- parser->queue[i].offset += size;
- }
-}
-
-/**
- * Convert Ethernet item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_eth(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- const struct rte_flow_item_eth *spec = item->spec;
- const struct rte_flow_item_eth *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- const unsigned int eth_size = sizeof(struct ibv_flow_spec_eth);
- struct ibv_flow_spec_eth eth = {
- .type = parser->inner | IBV_FLOW_SPEC_ETH,
- .size = eth_size,
- };
-
- parser->layer = HASH_RXQ_ETH;
- if (spec) {
- unsigned int i;
-
- if (!mask)
- mask = default_mask;
- memcpy(ð.val.dst_mac, spec->dst.addr_bytes, ETHER_ADDR_LEN);
- memcpy(ð.val.src_mac, spec->src.addr_bytes, ETHER_ADDR_LEN);
- eth.val.ether_type = spec->type;
- memcpy(ð.mask.dst_mac, mask->dst.addr_bytes, ETHER_ADDR_LEN);
- memcpy(ð.mask.src_mac, mask->src.addr_bytes, ETHER_ADDR_LEN);
- eth.mask.ether_type = mask->type;
- /* Remove unwanted bits from values. */
- for (i = 0; i < ETHER_ADDR_LEN; ++i) {
- eth.val.dst_mac[i] &= eth.mask.dst_mac[i];
- eth.val.src_mac[i] &= eth.mask.src_mac[i];
- }
- eth.val.ether_type &= eth.mask.ether_type;
- }
- mlx5_flow_create_copy(parser, ð, eth_size);
- return 0;
-}
-
-/**
- * Convert VLAN item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_vlan(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- const struct rte_flow_item_vlan *spec = item->spec;
- const struct rte_flow_item_vlan *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- struct ibv_flow_spec_eth *eth;
- const unsigned int eth_size = sizeof(struct ibv_flow_spec_eth);
- const char *msg = "VLAN cannot be empty";
-
- if (spec) {
- unsigned int i;
- if (!mask)
- mask = default_mask;
-
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
-
- eth = (void *)((uintptr_t)parser->queue[i].ibv_attr +
- parser->queue[i].offset - eth_size);
- eth->val.vlan_tag = spec->tci;
- eth->mask.vlan_tag = mask->tci;
- eth->val.vlan_tag &= eth->mask.vlan_tag;
- /*
- * From verbs perspective an empty VLAN is equivalent
- * to a packet without VLAN layer.
- */
- if (!eth->mask.vlan_tag)
- goto error;
- /* Outer TPID cannot be matched. */
- if (eth->mask.ether_type) {
- msg = "VLAN TPID matching is not supported";
- goto error;
- }
- eth->val.ether_type = spec->inner_type;
- eth->mask.ether_type = mask->inner_type;
- eth->val.ether_type &= eth->mask.ether_type;
- }
- return 0;
- }
-error:
- return rte_flow_error_set(data->error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
- item, msg);
-}
-
-/**
- * Convert IPv4 item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_ipv4(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- struct priv *priv = data->dev->data->dev_private;
- const struct rte_flow_item_ipv4 *spec = item->spec;
- const struct rte_flow_item_ipv4 *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int ipv4_size = sizeof(struct ibv_flow_spec_ipv4_ext);
- struct ibv_flow_spec_ipv4_ext ipv4 = {
- .type = parser->inner | IBV_FLOW_SPEC_IPV4_EXT,
- .size = ipv4_size,
- };
-
- if (parser->layer == HASH_RXQ_TUNNEL &&
- parser->tunnel == ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)] &&
- !priv->config.l3_vxlan_en)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "L3 VXLAN not enabled by device"
- " parameter and/or not configured"
- " in firmware");
- parser->layer = HASH_RXQ_IPV4;
- if (spec) {
- if (!mask)
- mask = default_mask;
- ipv4.val = (struct ibv_flow_ipv4_ext_filter){
- .src_ip = spec->hdr.src_addr,
- .dst_ip = spec->hdr.dst_addr,
- .proto = spec->hdr.next_proto_id,
- .tos = spec->hdr.type_of_service,
- };
- ipv4.mask = (struct ibv_flow_ipv4_ext_filter){
- .src_ip = mask->hdr.src_addr,
- .dst_ip = mask->hdr.dst_addr,
- .proto = mask->hdr.next_proto_id,
- .tos = mask->hdr.type_of_service,
- };
- /* Remove unwanted bits from values. */
- ipv4.val.src_ip &= ipv4.mask.src_ip;
- ipv4.val.dst_ip &= ipv4.mask.dst_ip;
- ipv4.val.proto &= ipv4.mask.proto;
- ipv4.val.tos &= ipv4.mask.tos;
- }
- mlx5_flow_create_copy(parser, &ipv4, ipv4_size);
- return 0;
-}
-
-/**
- * Convert IPv6 item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_ipv6(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- struct priv *priv = data->dev->data->dev_private;
- const struct rte_flow_item_ipv6 *spec = item->spec;
- const struct rte_flow_item_ipv6 *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int ipv6_size = sizeof(struct ibv_flow_spec_ipv6);
- struct ibv_flow_spec_ipv6 ipv6 = {
- .type = parser->inner | IBV_FLOW_SPEC_IPV6,
- .size = ipv6_size,
- };
-
- if (parser->layer == HASH_RXQ_TUNNEL &&
- parser->tunnel == ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)] &&
- !priv->config.l3_vxlan_en)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "L3 VXLAN not enabled by device"
- " parameter and/or not configured"
- " in firmware");
- parser->layer = HASH_RXQ_IPV6;
- if (spec) {
- unsigned int i;
- uint32_t vtc_flow_val;
- uint32_t vtc_flow_mask;
-
- if (!mask)
- mask = default_mask;
- memcpy(&ipv6.val.src_ip, spec->hdr.src_addr,
- RTE_DIM(ipv6.val.src_ip));
- memcpy(&ipv6.val.dst_ip, spec->hdr.dst_addr,
- RTE_DIM(ipv6.val.dst_ip));
- memcpy(&ipv6.mask.src_ip, mask->hdr.src_addr,
- RTE_DIM(ipv6.mask.src_ip));
- memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
- RTE_DIM(ipv6.mask.dst_ip));
- vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
- vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
- ipv6.val.flow_label =
- rte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>
- IPV6_HDR_FL_SHIFT);
- ipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>
- IPV6_HDR_TC_SHIFT;
- ipv6.val.next_hdr = spec->hdr.proto;
- ipv6.val.hop_limit = spec->hdr.hop_limits;
- ipv6.mask.flow_label =
- rte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>
- IPV6_HDR_FL_SHIFT);
- ipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>
- IPV6_HDR_TC_SHIFT;
- ipv6.mask.next_hdr = mask->hdr.proto;
- ipv6.mask.hop_limit = mask->hdr.hop_limits;
- /* Remove unwanted bits from values. */
- for (i = 0; i < RTE_DIM(ipv6.val.src_ip); ++i) {
- ipv6.val.src_ip[i] &= ipv6.mask.src_ip[i];
- ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
- }
- ipv6.val.flow_label &= ipv6.mask.flow_label;
- ipv6.val.traffic_class &= ipv6.mask.traffic_class;
- ipv6.val.next_hdr &= ipv6.mask.next_hdr;
- ipv6.val.hop_limit &= ipv6.mask.hop_limit;
- }
- mlx5_flow_create_copy(parser, &ipv6, ipv6_size);
- return 0;
-}
-
-/**
- * Convert UDP item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_udp(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- const struct rte_flow_item_udp *spec = item->spec;
- const struct rte_flow_item_udp *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int udp_size = sizeof(struct ibv_flow_spec_tcp_udp);
- struct ibv_flow_spec_tcp_udp udp = {
- .type = parser->inner | IBV_FLOW_SPEC_UDP,
- .size = udp_size,
- };
-
- if (parser->layer == HASH_RXQ_IPV4)
- parser->layer = HASH_RXQ_UDPV4;
- else
- parser->layer = HASH_RXQ_UDPV6;
- if (spec) {
- if (!mask)
- mask = default_mask;
- udp.val.dst_port = spec->hdr.dst_port;
- udp.val.src_port = spec->hdr.src_port;
- udp.mask.dst_port = mask->hdr.dst_port;
- udp.mask.src_port = mask->hdr.src_port;
- /* Remove unwanted bits from values. */
- udp.val.src_port &= udp.mask.src_port;
- udp.val.dst_port &= udp.mask.dst_port;
- }
- mlx5_flow_create_copy(parser, &udp, udp_size);
- return 0;
-}
-
-/**
- * Convert TCP item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_tcp(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- const struct rte_flow_item_tcp *spec = item->spec;
- const struct rte_flow_item_tcp *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int tcp_size = sizeof(struct ibv_flow_spec_tcp_udp);
- struct ibv_flow_spec_tcp_udp tcp = {
- .type = parser->inner | IBV_FLOW_SPEC_TCP,
- .size = tcp_size,
- };
-
- if (parser->layer == HASH_RXQ_IPV4)
- parser->layer = HASH_RXQ_TCPV4;
- else
- parser->layer = HASH_RXQ_TCPV6;
- if (spec) {
- if (!mask)
- mask = default_mask;
- tcp.val.dst_port = spec->hdr.dst_port;
- tcp.val.src_port = spec->hdr.src_port;
- tcp.mask.dst_port = mask->hdr.dst_port;
- tcp.mask.src_port = mask->hdr.src_port;
- /* Remove unwanted bits from values. */
- tcp.val.src_port &= tcp.mask.src_port;
- tcp.val.dst_port &= tcp.mask.dst_port;
- }
- mlx5_flow_create_copy(parser, &tcp, tcp_size);
- return 0;
-}
-
-/**
- * Convert VXLAN item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_vxlan(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- const struct rte_flow_item_vxlan *spec = item->spec;
- const struct rte_flow_item_vxlan *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
- struct ibv_flow_spec_tunnel vxlan = {
- .type = parser->inner | IBV_FLOW_SPEC_VXLAN_TUNNEL,
- .size = size,
- };
- union vni {
- uint32_t vlan_id;
- uint8_t vni[4];
- } id;
-
- id.vni[0] = 0;
- parser->inner = IBV_FLOW_SPEC_INNER;
- parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN)];
- parser->out_layer = parser->layer;
- parser->layer = HASH_RXQ_TUNNEL;
- if (spec) {
- if (!mask)
- mask = default_mask;
- memcpy(&id.vni[1], spec->vni, 3);
- vxlan.val.tunnel_id = id.vlan_id;
- memcpy(&id.vni[1], mask->vni, 3);
- vxlan.mask.tunnel_id = id.vlan_id;
- /* Remove unwanted bits from values. */
- vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
- }
- /*
- * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
- * layer is defined in the Verbs specification it is interpreted as
- * wildcard and all packets will match this rule, if it follows a full
- * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
- * before will also match this rule.
- * To avoid such situation, VNI 0 is currently refused.
- */
- /* Only allow tunnel w/o tunnel id pattern after proper outer spec. */
- if (parser->out_layer == HASH_RXQ_ETH && !vxlan.val.tunnel_id)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "VxLAN vni cannot be 0");
- mlx5_flow_create_copy(parser, &vxlan, size);
- return 0;
-}
-
-/**
- * Convert VXLAN-GPE item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_vxlan_gpe(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- struct priv *priv = data->dev->data->dev_private;
- const struct rte_flow_item_vxlan_gpe *spec = item->spec;
- const struct rte_flow_item_vxlan_gpe *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
- struct ibv_flow_spec_tunnel vxlan = {
- .type = parser->inner | IBV_FLOW_SPEC_VXLAN_TUNNEL,
- .size = size,
- };
- union vni {
- uint32_t vlan_id;
- uint8_t vni[4];
- } id;
-
- if (!priv->config.l3_vxlan_en)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "L3 VXLAN not enabled by device"
- " parameter and/or not configured"
- " in firmware");
- id.vni[0] = 0;
- parser->inner = IBV_FLOW_SPEC_INNER;
- parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_VXLAN_GPE)];
- parser->out_layer = parser->layer;
- parser->layer = HASH_RXQ_TUNNEL;
- if (spec) {
- if (!mask)
- mask = default_mask;
- memcpy(&id.vni[1], spec->vni, 3);
- vxlan.val.tunnel_id = id.vlan_id;
- memcpy(&id.vni[1], mask->vni, 3);
- vxlan.mask.tunnel_id = id.vlan_id;
- if (spec->protocol)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "VxLAN-GPE protocol not"
- " supported");
- /* Remove unwanted bits from values. */
- vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
- }
- /*
- * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
- * layer is defined in the Verbs specification it is interpreted as
- * wildcard and all packets will match this rule, if it follows a full
- * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
- * before will also match this rule.
- * To avoid such situation, VNI 0 is currently refused.
- */
- /* Only allow tunnel w/o tunnel id pattern after proper outer spec. */
- if (parser->out_layer == HASH_RXQ_ETH && !vxlan.val.tunnel_id)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "VxLAN-GPE vni cannot be 0");
- mlx5_flow_create_copy(parser, &vxlan, size);
- return 0;
-}
-
-/**
- * Convert GRE item to Verbs specification.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_gre(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
- struct mlx5_flow_parse *parser = data->parser;
-#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
- (void)default_mask;
- unsigned int size = sizeof(struct ibv_flow_spec_tunnel);
- struct ibv_flow_spec_tunnel tunnel = {
- .type = parser->inner | IBV_FLOW_SPEC_VXLAN_TUNNEL,
- .size = size,
- };
-#else
- const struct rte_flow_item_gre *spec = item->spec;
- const struct rte_flow_item_gre *mask = item->mask;
- unsigned int size = sizeof(struct ibv_flow_spec_gre);
- struct ibv_flow_spec_gre tunnel = {
- .type = parser->inner | IBV_FLOW_SPEC_GRE,
- .size = size,
- };
-#endif
- struct ibv_flow_spec_ipv4_ext *ipv4;
- struct ibv_flow_spec_ipv6 *ipv6;
- unsigned int i;
-
- parser->inner = IBV_FLOW_SPEC_INNER;
- parser->tunnel = ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_GRE)];
- parser->out_layer = parser->layer;
- parser->layer = HASH_RXQ_TUNNEL;
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
- if (spec) {
- if (!mask)
- mask = default_mask;
- tunnel.val.c_ks_res0_ver = spec->c_rsvd0_ver;
- tunnel.val.protocol = spec->protocol;
- tunnel.mask.c_ks_res0_ver = mask->c_rsvd0_ver;
- tunnel.mask.protocol = mask->protocol;
- /* Remove unwanted bits from values. */
- tunnel.val.c_ks_res0_ver &= tunnel.mask.c_ks_res0_ver;
- tunnel.val.protocol &= tunnel.mask.protocol;
- tunnel.val.key &= tunnel.mask.key;
- }
-#endif
- /* Update encapsulation IP layer protocol. */
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
- if (parser->out_layer == HASH_RXQ_IPV4) {
- ipv4 = (void *)((uintptr_t)parser->queue[i].ibv_attr +
- parser->queue[i].offset -
- sizeof(struct ibv_flow_spec_ipv4_ext));
- if (ipv4->mask.proto && ipv4->val.proto != MLX5_GRE)
- break;
- ipv4->val.proto = MLX5_GRE;
- ipv4->mask.proto = 0xff;
- } else if (parser->out_layer == HASH_RXQ_IPV6) {
- ipv6 = (void *)((uintptr_t)parser->queue[i].ibv_attr +
- parser->queue[i].offset -
- sizeof(struct ibv_flow_spec_ipv6));
- if (ipv6->mask.next_hdr &&
- ipv6->val.next_hdr != MLX5_GRE)
- break;
- ipv6->val.next_hdr = MLX5_GRE;
- ipv6->mask.next_hdr = 0xff;
- }
- }
- if (i != hash_rxq_init_n)
- return rte_flow_error_set(data->error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "IP protocol of GRE must be 47");
- mlx5_flow_create_copy(parser, &tunnel, size);
- return 0;
-}
-
-/**
- * Convert MPLS item to Verbs specification.
- * MPLS tunnel types currently supported are MPLS-in-GRE and MPLS-in-UDP.
- *
- * @param item[in]
- * Item specification.
- * @param default_mask[in]
- * Default bit-masks to use when item->mask is not provided.
- * @param data[in, out]
- * User structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_mpls(const struct rte_flow_item *item,
- const void *default_mask,
- struct mlx5_flow_data *data)
-{
-#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
- (void)default_mask;
- return rte_flow_error_set(data->error, ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ITEM,
- item,
- "MPLS is not supported by driver");
-#else
- const struct rte_flow_item_mpls *spec = item->spec;
- const struct rte_flow_item_mpls *mask = item->mask;
- struct mlx5_flow_parse *parser = data->parser;
- unsigned int size = sizeof(struct ibv_flow_spec_mpls);
- struct ibv_flow_spec_mpls mpls = {
- .type = IBV_FLOW_SPEC_MPLS,
- .size = size,
- };
-
- parser->inner = IBV_FLOW_SPEC_INNER;
- if (parser->layer == HASH_RXQ_UDPV4 ||
- parser->layer == HASH_RXQ_UDPV6) {
- parser->tunnel =
- ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_UDP)];
- parser->out_layer = parser->layer;
- } else {
- parser->tunnel =
- ptype_ext[PTYPE_IDX(RTE_PTYPE_TUNNEL_MPLS_IN_GRE)];
- /* parser->out_layer stays as in GRE out_layer. */
- }
- parser->layer = HASH_RXQ_TUNNEL;
- if (spec) {
- if (!mask)
- mask = default_mask;
- /*
- * The verbs label field includes the entire MPLS header:
- * bits 0:19 - label value field.
- * bits 20:22 - traffic class field.
- * bits 23 - bottom of stack bit.
- * bits 24:31 - ttl field.
- */
- mpls.val.label = *(const uint32_t *)spec;
- mpls.mask.label = *(const uint32_t *)mask;
- /* Remove unwanted bits from values. */
- mpls.val.label &= mpls.mask.label;
- }
- mlx5_flow_create_copy(parser, &mpls, size);
- return 0;
-#endif
-}
-
-/**
- * Convert mark/flag action to Verbs specification.
- *
- * @param parser
- * Internal parser structure.
- * @param mark_id
- * Mark identifier.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_flag_mark(struct mlx5_flow_parse *parser, uint32_t mark_id)
-{
- unsigned int size = sizeof(struct ibv_flow_spec_action_tag);
- struct ibv_flow_spec_action_tag tag = {
- .type = IBV_FLOW_SPEC_ACTION_TAG,
- .size = size,
- .tag_id = mlx5_flow_mark_set(mark_id),
- };
-
- assert(parser->mark);
- mlx5_flow_create_copy(parser, &tag, size);
- return 0;
-}
-
-/**
- * Convert count action to Verbs specification.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param parser
- * Pointer to MLX5 flow parser structure.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_count(struct rte_eth_dev *dev __rte_unused,
- struct mlx5_flow_parse *parser __rte_unused)
-{
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
- struct priv *priv = dev->data->dev_private;
- unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
- struct ibv_counter_set_init_attr init_attr = {0};
- struct ibv_flow_spec_counter_action counter = {
- .type = IBV_FLOW_SPEC_ACTION_COUNT,
- .size = size,
- .counter_set_handle = 0,
- };
-
- init_attr.counter_set_id = 0;
- parser->cs = mlx5_glue->create_counter_set(priv->ctx, &init_attr);
- if (!parser->cs) {
- rte_errno = EINVAL;
- return -rte_errno;
- }
- counter.counter_set_handle = parser->cs->handle;
- mlx5_flow_create_copy(parser, &counter, size);
-#endif
- return 0;
-}
-
-/**
- * Complete flow rule creation with a drop queue.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param parser
- * Internal parser structure.
- * @param flow
- * Pointer to the rte_flow.
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_action_queue_drop(struct rte_eth_dev *dev,
- struct mlx5_flow_parse *parser,
- struct rte_flow *flow,
- struct rte_flow_error *error)
-{
- struct priv *priv = dev->data->dev_private;
- struct ibv_flow_spec_action_drop *drop;
- unsigned int size = sizeof(struct ibv_flow_spec_action_drop);
-
- assert(priv->pd);
- assert(priv->ctx);
- flow->drop = 1;
- drop = (void *)((uintptr_t)parser->queue[HASH_RXQ_ETH].ibv_attr +
- parser->queue[HASH_RXQ_ETH].offset);
- *drop = (struct ibv_flow_spec_action_drop){
- .type = IBV_FLOW_SPEC_ACTION_DROP,
- .size = size,
- };
- ++parser->queue[HASH_RXQ_ETH].ibv_attr->num_of_specs;
- parser->queue[HASH_RXQ_ETH].offset += size;
- flow->frxq[HASH_RXQ_ETH].ibv_attr =
- parser->queue[HASH_RXQ_ETH].ibv_attr;
- if (parser->count)
- flow->cs = parser->cs;
- if (!dev->data->dev_started)
- return 0;
- parser->queue[HASH_RXQ_ETH].ibv_attr = NULL;
- flow->frxq[HASH_RXQ_ETH].ibv_flow =
- mlx5_glue->create_flow(priv->flow_drop_queue->qp,
- flow->frxq[HASH_RXQ_ETH].ibv_attr);
- if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
- rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL, "flow rule creation failure");
- goto error;
- }
- return 0;
-error:
- assert(flow);
- if (flow->frxq[HASH_RXQ_ETH].ibv_flow) {
- claim_zero(mlx5_glue->destroy_flow
- (flow->frxq[HASH_RXQ_ETH].ibv_flow));
- flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
- }
- if (flow->frxq[HASH_RXQ_ETH].ibv_attr) {
- rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
- flow->frxq[HASH_RXQ_ETH].ibv_attr = NULL;
- }
- if (flow->cs) {
- claim_zero(mlx5_glue->destroy_counter_set(flow->cs));
- flow->cs = NULL;
- parser->cs = NULL;
- }
- return -rte_errno;
-}
-
-/**
- * Create hash Rx queues when RSS is enabled.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param parser
- * Internal parser structure.
- * @param flow
- * Pointer to the rte_flow.
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_action_queue_rss(struct rte_eth_dev *dev,
- struct mlx5_flow_parse *parser,
- struct rte_flow *flow,
- struct rte_flow_error *error)
-{
- unsigned int i;
-
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!parser->queue[i].ibv_attr)
- continue;
- flow->frxq[i].ibv_attr = parser->queue[i].ibv_attr;
- parser->queue[i].ibv_attr = NULL;
- flow->frxq[i].hash_fields = parser->queue[i].hash_fields;
- if (!dev->data->dev_started)
- continue;
- flow->frxq[i].hrxq =
- mlx5_hrxq_get(dev,
- parser->rss_conf.key,
- parser->rss_conf.key_len,
- flow->frxq[i].hash_fields,
- parser->rss_conf.queue,
- parser->rss_conf.queue_num,
- parser->tunnel,
- parser->rss_conf.level);
- if (flow->frxq[i].hrxq)
- continue;
- flow->frxq[i].hrxq =
- mlx5_hrxq_new(dev,
- parser->rss_conf.key,
- parser->rss_conf.key_len,
- flow->frxq[i].hash_fields,
- parser->rss_conf.queue,
- parser->rss_conf.queue_num,
- parser->tunnel,
- parser->rss_conf.level);
- if (!flow->frxq[i].hrxq) {
- return rte_flow_error_set(error, ENOMEM,
- RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL,
- "cannot create hash rxq");
- }
- }
- return 0;
-}
-
-/**
- * RXQ update after flow rule creation.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param flow
- * Pointer to the flow rule.
- */
-static void
-mlx5_flow_create_update_rxqs(struct rte_eth_dev *dev, struct rte_flow *flow)
-{
- struct priv *priv = dev->data->dev_private;
- unsigned int i;
- unsigned int j;
-
- if (!dev->data->dev_started)
- return;
- for (i = 0; i != flow->rss_conf.queue_num; ++i) {
- struct mlx5_rxq_data *rxq_data = (*priv->rxqs)
- [(*flow->queues)[i]];
- struct mlx5_rxq_ctrl *rxq_ctrl =
- container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
- uint8_t tunnel = PTYPE_IDX(flow->tunnel);
-
- rxq_data->mark |= flow->mark;
- if (!tunnel)
- continue;
- rxq_ctrl->tunnel_types[tunnel] += 1;
- /* Clear tunnel type if more than one tunnel types set. */
- for (j = 0; j != RTE_DIM(rxq_ctrl->tunnel_types); ++j) {
- if (j == tunnel)
- continue;
- if (rxq_ctrl->tunnel_types[j] > 0) {
- rxq_data->tunnel = 0;
- break;
- }
- }
- if (j == RTE_DIM(rxq_ctrl->tunnel_types))
- rxq_data->tunnel = flow->tunnel;
- }
-}
-
-/**
- * Dump flow hash RX queue detail.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param flow
- * Pointer to the rte_flow.
- * @param hrxq_idx
- * Hash RX queue index.
- */
-static void
-mlx5_flow_dump(struct rte_eth_dev *dev __rte_unused,
- struct rte_flow *flow __rte_unused,
- unsigned int hrxq_idx __rte_unused)
-{
-#ifndef NDEBUG
- uintptr_t spec_ptr;
- uint16_t j;
- char buf[256];
- uint8_t off;
- uint64_t extra_hash_fields = 0;
+/* Dev ops structure defined in mlx5.c */
+extern const struct eth_dev_ops mlx5_dev_ops;
+extern const struct eth_dev_ops mlx5_dev_ops_isolate;
-#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
- if (flow->tunnel && flow->rss_conf.level > 1)
- extra_hash_fields = (uint32_t)IBV_RX_HASH_INNER;
-#endif
- spec_ptr = (uintptr_t)(flow->frxq[hrxq_idx].ibv_attr + 1);
- for (j = 0, off = 0; j < flow->frxq[hrxq_idx].ibv_attr->num_of_specs;
- j++) {
- struct ibv_flow_spec *spec = (void *)spec_ptr;
- off += sprintf(buf + off, " %x(%hu)", spec->hdr.type,
- spec->hdr.size);
- spec_ptr += spec->hdr.size;
- }
- DRV_LOG(DEBUG,
- "port %u Verbs flow %p type %u: hrxq:%p qp:%p ind:%p,"
- " hash:%" PRIx64 "/%u specs:%hhu(%hu), priority:%hu, type:%d,"
- " flags:%x, comp_mask:%x specs:%s",
- dev->data->port_id, (void *)flow, hrxq_idx,
- (void *)flow->frxq[hrxq_idx].hrxq,
- (void *)flow->frxq[hrxq_idx].hrxq->qp,
- (void *)flow->frxq[hrxq_idx].hrxq->ind_table,
- (flow->frxq[hrxq_idx].hash_fields | extra_hash_fields),
- flow->rss_conf.queue_num,
- flow->frxq[hrxq_idx].ibv_attr->num_of_specs,
- flow->frxq[hrxq_idx].ibv_attr->size,
- flow->frxq[hrxq_idx].ibv_attr->priority,
- flow->frxq[hrxq_idx].ibv_attr->type,
- flow->frxq[hrxq_idx].ibv_attr->flags,
- flow->frxq[hrxq_idx].ibv_attr->comp_mask,
- buf);
-#endif
-}
+struct rte_flow {
+ TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
+};
-/**
- * Complete flow rule creation.
- *
- * @param dev
- * Pointer to Ethernet device.
- * @param parser
- * Internal parser structure.
- * @param flow
- * Pointer to the rte_flow.
- * @param[out] error
- * Perform verbose error reporting if not NULL.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_create_action_queue(struct rte_eth_dev *dev,
- struct mlx5_flow_parse *parser,
- struct rte_flow *flow,
- struct rte_flow_error *error)
-{
- struct priv *priv __rte_unused = dev->data->dev_private;
- int ret;
- unsigned int i;
- unsigned int flows_n = 0;
+static const struct rte_flow_ops mlx5_flow_ops = {
+ .isolate = mlx5_flow_isolate,
+};
- assert(priv->pd);
- assert(priv->ctx);
- assert(!parser->drop);
- ret = mlx5_flow_create_action_queue_rss(dev, parser, flow, error);
- if (ret)
- goto error;
- if (parser->count)
- flow->cs = parser->cs;
- if (!dev->data->dev_started)
- return 0;
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!flow->frxq[i].hrxq)
- continue;
- flow->frxq[i].ibv_flow =
- mlx5_glue->create_flow(flow->frxq[i].hrxq->qp,
- flow->frxq[i].ibv_attr);
- mlx5_flow_dump(dev, flow, i);
- if (!flow->frxq[i].ibv_flow) {
- rte_flow_error_set(error, ENOMEM,
- RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL, "flow rule creation failure");
- goto error;
- }
- ++flows_n;
- }
- if (!flows_n) {
- rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE,
- NULL, "internal error in flow creation");
- goto error;
- }
- mlx5_flow_create_update_rxqs(dev, flow);
- return 0;
-error:
- ret = rte_errno; /* Save rte_errno before cleanup. */
- assert(flow);
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (flow->frxq[i].ibv_flow) {
- struct ibv_flow *ibv_flow = flow->frxq[i].ibv_flow;
+/* Convert FDIR request to Generic flow. */
+struct mlx5_fdir {
+ struct rte_flow_attr attr;
+ struct rte_flow_action actions[2];
+ struct rte_flow_item items[4];
+ struct rte_flow_item_eth l2;
+ struct rte_flow_item_eth l2_mask;
+ union {
+ struct rte_flow_item_ipv4 ipv4;
+ struct rte_flow_item_ipv6 ipv6;
+ } l3;
+ union {
+ struct rte_flow_item_ipv4 ipv4;
+ struct rte_flow_item_ipv6 ipv6;
+ } l3_mask;
+ union {
+ struct rte_flow_item_udp udp;
+ struct rte_flow_item_tcp tcp;
+ } l4;
+ union {
+ struct rte_flow_item_udp udp;
+ struct rte_flow_item_tcp tcp;
+ } l4_mask;
+ struct rte_flow_action_queue queue;
+};
- claim_zero(mlx5_glue->destroy_flow(ibv_flow));
- }
- if (flow->frxq[i].hrxq)
- mlx5_hrxq_release(dev, flow->frxq[i].hrxq);
- if (flow->frxq[i].ibv_attr)
- rte_free(flow->frxq[i].ibv_attr);
- }
- if (flow->cs) {
- claim_zero(mlx5_glue->destroy_counter_set(flow->cs));
- flow->cs = NULL;
- parser->cs = NULL;
- }
- rte_errno = ret; /* Restore rte_errno. */
- return -rte_errno;
-}
+/* Verbs specification header. */
+struct ibv_spec_header {
+ enum ibv_flow_spec_type type;
+ uint16_t size;
+};
/**
* Convert a flow.
* A flow on success, NULL otherwise and rte_errno is set.
*/
static struct rte_flow *
-mlx5_flow_list_create(struct rte_eth_dev *dev,
- struct mlx5_flows *list,
- const struct rte_flow_attr *attr,
- const struct rte_flow_item items[],
- const struct rte_flow_action actions[],
+mlx5_flow_list_create(struct rte_eth_dev *dev __rte_unused,
+ struct mlx5_flows *list __rte_unused,
+ const struct rte_flow_attr *attr __rte_unused,
+ const struct rte_flow_item items[] __rte_unused,
+ const struct rte_flow_action actions[] __rte_unused,
struct rte_flow_error *error)
{
- struct mlx5_flow_parse parser = { .create = 1, };
- struct rte_flow *flow = NULL;
- unsigned int i;
- int ret;
-
- ret = mlx5_flow_convert(dev, attr, items, actions, error, &parser);
- if (ret)
- goto exit;
- flow = rte_calloc(__func__, 1,
- sizeof(*flow) +
- parser.rss_conf.queue_num * sizeof(uint16_t),
- 0);
- if (!flow) {
- rte_flow_error_set(error, ENOMEM,
- RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL,
- "cannot allocate flow memory");
- return NULL;
- }
- /* Copy configuration. */
- flow->queues = (uint16_t (*)[])(flow + 1);
- flow->tunnel = parser.tunnel;
- flow->rss_conf = (struct rte_flow_action_rss){
- .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
- .level = parser.rss_conf.level,
- .types = parser.rss_conf.types,
- .key_len = parser.rss_conf.key_len,
- .queue_num = parser.rss_conf.queue_num,
- .key = memcpy(flow->rss_key, parser.rss_conf.key,
- sizeof(*parser.rss_conf.key) *
- parser.rss_conf.key_len),
- .queue = memcpy(flow->queues, parser.rss_conf.queue,
- sizeof(*parser.rss_conf.queue) *
- parser.rss_conf.queue_num),
- };
- flow->mark = parser.mark;
- /* finalise the flow. */
- if (parser.drop)
- ret = mlx5_flow_create_action_queue_drop(dev, &parser, flow,
- error);
- else
- ret = mlx5_flow_create_action_queue(dev, &parser, flow, error);
- if (ret)
- goto exit;
- TAILQ_INSERT_TAIL(list, flow, next);
- DRV_LOG(DEBUG, "port %u flow created %p", dev->data->port_id,
- (void *)flow);
- return flow;
-exit:
- DRV_LOG(ERR, "port %u flow creation error: %s", dev->data->port_id,
- error->message);
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser.queue[i].ibv_attr)
- rte_free(parser.queue[i].ibv_attr);
- }
- rte_free(flow);
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "action not supported");
return NULL;
}
* @see rte_flow_ops
*/
int
-mlx5_flow_validate(struct rte_eth_dev *dev,
- const struct rte_flow_attr *attr,
- const struct rte_flow_item items[],
- const struct rte_flow_action actions[],
+mlx5_flow_validate(struct rte_eth_dev *dev __rte_unused,
+ const struct rte_flow_attr *attr __rte_unused,
+ const struct rte_flow_item items[] __rte_unused,
+ const struct rte_flow_action actions[] __rte_unused,
struct rte_flow_error *error)
{
- struct mlx5_flow_parse parser = { .create = 0, };
-
- return mlx5_flow_convert(dev, attr, items, actions, error, &parser);
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "action not supported");
}
/**
* @see rte_flow_ops
*/
struct rte_flow *
-mlx5_flow_create(struct rte_eth_dev *dev,
- const struct rte_flow_attr *attr,
- const struct rte_flow_item items[],
- const struct rte_flow_action actions[],
+mlx5_flow_create(struct rte_eth_dev *dev __rte_unused,
+ const struct rte_flow_attr *attr __rte_unused,
+ const struct rte_flow_item items[] __rte_unused,
+ const struct rte_flow_action actions[] __rte_unused,
struct rte_flow_error *error)
{
- struct priv *priv = dev->data->dev_private;
-
- return mlx5_flow_list_create(dev, &priv->flows, attr, items, actions,
- error);
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL,
+ "action not supported");
+ return NULL;
}
/**
* Flow to destroy.
*/
static void
-mlx5_flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
- struct rte_flow *flow)
+mlx5_flow_list_destroy(struct rte_eth_dev *dev __rte_unused,
+ struct mlx5_flows *list __rte_unused,
+ struct rte_flow *flow __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- unsigned int i;
-
- if (flow->drop || !dev->data->dev_started)
- goto free;
- for (i = 0; flow->tunnel && i != flow->rss_conf.queue_num; ++i) {
- /* Update queue tunnel type. */
- struct mlx5_rxq_data *rxq_data = (*priv->rxqs)
- [(*flow->queues)[i]];
- struct mlx5_rxq_ctrl *rxq_ctrl =
- container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
- uint8_t tunnel = PTYPE_IDX(flow->tunnel);
-
- assert(rxq_ctrl->tunnel_types[tunnel] > 0);
- rxq_ctrl->tunnel_types[tunnel] -= 1;
- if (!rxq_ctrl->tunnel_types[tunnel]) {
- /* Update tunnel type. */
- uint8_t j;
- uint8_t types = 0;
- uint8_t last;
-
- for (j = 0; j < RTE_DIM(rxq_ctrl->tunnel_types); j++)
- if (rxq_ctrl->tunnel_types[j]) {
- types += 1;
- last = j;
- }
- /* Keep same if more than one tunnel types left. */
- if (types == 1)
- rxq_data->tunnel = ptype_ext[last];
- else if (types == 0)
- /* No tunnel type left. */
- rxq_data->tunnel = 0;
- }
- }
- for (i = 0; flow->mark && i != flow->rss_conf.queue_num; ++i) {
- struct rte_flow *tmp;
- int mark = 0;
-
- /*
- * To remove the mark from the queue, the queue must not be
- * present in any other marked flow (RSS or not).
- */
- TAILQ_FOREACH(tmp, list, next) {
- unsigned int j;
- uint16_t *tqs = NULL;
- uint16_t tq_n = 0;
-
- if (!tmp->mark)
- continue;
- for (j = 0; j != hash_rxq_init_n; ++j) {
- if (!tmp->frxq[j].hrxq)
- continue;
- tqs = tmp->frxq[j].hrxq->ind_table->queues;
- tq_n = tmp->frxq[j].hrxq->ind_table->queues_n;
- }
- if (!tq_n)
- continue;
- for (j = 0; (j != tq_n) && !mark; j++)
- if (tqs[j] == (*flow->queues)[i])
- mark = 1;
- }
- (*priv->rxqs)[(*flow->queues)[i]]->mark = mark;
- }
-free:
- if (flow->drop) {
- if (flow->frxq[HASH_RXQ_ETH].ibv_flow)
- claim_zero(mlx5_glue->destroy_flow
- (flow->frxq[HASH_RXQ_ETH].ibv_flow));
- rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
- } else {
- for (i = 0; i != hash_rxq_init_n; ++i) {
- struct mlx5_flow *frxq = &flow->frxq[i];
-
- if (frxq->ibv_flow)
- claim_zero(mlx5_glue->destroy_flow
- (frxq->ibv_flow));
- if (frxq->hrxq)
- mlx5_hrxq_release(dev, frxq->hrxq);
- if (frxq->ibv_attr)
- rte_free(frxq->ibv_attr);
- }
- }
- if (flow->cs) {
- claim_zero(mlx5_glue->destroy_counter_set(flow->cs));
- flow->cs = NULL;
- }
- TAILQ_REMOVE(list, flow, next);
- DRV_LOG(DEBUG, "port %u flow destroyed %p", dev->data->port_id,
- (void *)flow);
- rte_free(flow);
}
/**
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
-mlx5_flow_create_drop_queue(struct rte_eth_dev *dev)
+mlx5_flow_create_drop_queue(struct rte_eth_dev *dev __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- struct mlx5_hrxq_drop *fdq = NULL;
-
- assert(priv->pd);
- assert(priv->ctx);
- fdq = rte_calloc(__func__, 1, sizeof(*fdq), 0);
- if (!fdq) {
- DRV_LOG(WARNING,
- "port %u cannot allocate memory for drop queue",
- dev->data->port_id);
- rte_errno = ENOMEM;
- return -rte_errno;
- }
- fdq->cq = mlx5_glue->create_cq(priv->ctx, 1, NULL, NULL, 0);
- if (!fdq->cq) {
- DRV_LOG(WARNING, "port %u cannot allocate CQ for drop queue",
- dev->data->port_id);
- rte_errno = errno;
- goto error;
- }
- fdq->wq = mlx5_glue->create_wq
- (priv->ctx,
- &(struct ibv_wq_init_attr){
- .wq_type = IBV_WQT_RQ,
- .max_wr = 1,
- .max_sge = 1,
- .pd = priv->pd,
- .cq = fdq->cq,
- });
- if (!fdq->wq) {
- DRV_LOG(WARNING, "port %u cannot allocate WQ for drop queue",
- dev->data->port_id);
- rte_errno = errno;
- goto error;
- }
- fdq->ind_table = mlx5_glue->create_rwq_ind_table
- (priv->ctx,
- &(struct ibv_rwq_ind_table_init_attr){
- .log_ind_tbl_size = 0,
- .ind_tbl = &fdq->wq,
- .comp_mask = 0,
- });
- if (!fdq->ind_table) {
- DRV_LOG(WARNING,
- "port %u cannot allocate indirection table for drop"
- " queue",
- dev->data->port_id);
- rte_errno = errno;
- goto error;
- }
- fdq->qp = mlx5_glue->create_qp_ex
- (priv->ctx,
- &(struct ibv_qp_init_attr_ex){
- .qp_type = IBV_QPT_RAW_PACKET,
- .comp_mask =
- IBV_QP_INIT_ATTR_PD |
- IBV_QP_INIT_ATTR_IND_TABLE |
- IBV_QP_INIT_ATTR_RX_HASH,
- .rx_hash_conf = (struct ibv_rx_hash_conf){
- .rx_hash_function =
- IBV_RX_HASH_FUNC_TOEPLITZ,
- .rx_hash_key_len = rss_hash_default_key_len,
- .rx_hash_key = rss_hash_default_key,
- .rx_hash_fields_mask = 0,
- },
- .rwq_ind_tbl = fdq->ind_table,
- .pd = priv->pd
- });
- if (!fdq->qp) {
- DRV_LOG(WARNING, "port %u cannot allocate QP for drop queue",
- dev->data->port_id);
- rte_errno = errno;
- goto error;
- }
- priv->flow_drop_queue = fdq;
return 0;
-error:
- if (fdq->qp)
- claim_zero(mlx5_glue->destroy_qp(fdq->qp));
- if (fdq->ind_table)
- claim_zero(mlx5_glue->destroy_rwq_ind_table(fdq->ind_table));
- if (fdq->wq)
- claim_zero(mlx5_glue->destroy_wq(fdq->wq));
- if (fdq->cq)
- claim_zero(mlx5_glue->destroy_cq(fdq->cq));
- if (fdq)
- rte_free(fdq);
- priv->flow_drop_queue = NULL;
- return -rte_errno;
}
/**
* Pointer to Ethernet device.
*/
void
-mlx5_flow_delete_drop_queue(struct rte_eth_dev *dev)
+mlx5_flow_delete_drop_queue(struct rte_eth_dev *dev __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- struct mlx5_hrxq_drop *fdq = priv->flow_drop_queue;
-
- if (!fdq)
- return;
- if (fdq->qp)
- claim_zero(mlx5_glue->destroy_qp(fdq->qp));
- if (fdq->ind_table)
- claim_zero(mlx5_glue->destroy_rwq_ind_table(fdq->ind_table));
- if (fdq->wq)
- claim_zero(mlx5_glue->destroy_wq(fdq->wq));
- if (fdq->cq)
- claim_zero(mlx5_glue->destroy_cq(fdq->cq));
- rte_free(fdq);
- priv->flow_drop_queue = NULL;
}
/**
* Pointer to a TAILQ flow list.
*/
void
-mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
+mlx5_flow_stop(struct rte_eth_dev *dev __rte_unused,
+ struct mlx5_flows *list __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- struct rte_flow *flow;
- unsigned int i;
-
- TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next) {
- struct mlx5_ind_table_ibv *ind_tbl = NULL;
-
- if (flow->drop) {
- if (!flow->frxq[HASH_RXQ_ETH].ibv_flow)
- continue;
- claim_zero(mlx5_glue->destroy_flow
- (flow->frxq[HASH_RXQ_ETH].ibv_flow));
- flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
- DRV_LOG(DEBUG, "port %u flow %p removed",
- dev->data->port_id, (void *)flow);
- /* Next flow. */
- continue;
- }
- /* Verify the flow has not already been cleaned. */
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!flow->frxq[i].ibv_flow)
- continue;
- /*
- * Indirection table may be necessary to remove the
- * flags in the Rx queues.
- * This helps to speed-up the process by avoiding
- * another loop.
- */
- ind_tbl = flow->frxq[i].hrxq->ind_table;
- break;
- }
- if (i == hash_rxq_init_n)
- return;
- if (flow->mark) {
- assert(ind_tbl);
- for (i = 0; i != ind_tbl->queues_n; ++i)
- (*priv->rxqs)[ind_tbl->queues[i]]->mark = 0;
- }
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!flow->frxq[i].ibv_flow)
- continue;
- claim_zero(mlx5_glue->destroy_flow
- (flow->frxq[i].ibv_flow));
- flow->frxq[i].ibv_flow = NULL;
- mlx5_hrxq_release(dev, flow->frxq[i].hrxq);
- flow->frxq[i].hrxq = NULL;
- }
- DRV_LOG(DEBUG, "port %u flow %p removed", dev->data->port_id,
- (void *)flow);
- }
- /* Cleanup Rx queue tunnel info. */
- for (i = 0; i != priv->rxqs_n; ++i) {
- struct mlx5_rxq_data *q = (*priv->rxqs)[i];
- struct mlx5_rxq_ctrl *rxq_ctrl =
- container_of(q, struct mlx5_rxq_ctrl, rxq);
-
- if (!q)
- continue;
- memset((void *)rxq_ctrl->tunnel_types, 0,
- sizeof(rxq_ctrl->tunnel_types));
- q->tunnel = 0;
- }
}
/**
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
-mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
+mlx5_flow_start(struct rte_eth_dev *dev __rte_unused,
+ struct mlx5_flows *list __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- struct rte_flow *flow;
-
- TAILQ_FOREACH(flow, list, next) {
- unsigned int i;
-
- if (flow->drop) {
- flow->frxq[HASH_RXQ_ETH].ibv_flow =
- mlx5_glue->create_flow
- (priv->flow_drop_queue->qp,
- flow->frxq[HASH_RXQ_ETH].ibv_attr);
- if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
- DRV_LOG(DEBUG,
- "port %u flow %p cannot be applied",
- dev->data->port_id, (void *)flow);
- rte_errno = EINVAL;
- return -rte_errno;
- }
- DRV_LOG(DEBUG, "port %u flow %p applied",
- dev->data->port_id, (void *)flow);
- /* Next flow. */
- continue;
- }
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (!flow->frxq[i].ibv_attr)
- continue;
- flow->frxq[i].hrxq =
- mlx5_hrxq_get(dev, flow->rss_conf.key,
- flow->rss_conf.key_len,
- flow->frxq[i].hash_fields,
- flow->rss_conf.queue,
- flow->rss_conf.queue_num,
- flow->tunnel,
- flow->rss_conf.level);
- if (flow->frxq[i].hrxq)
- goto flow_create;
- flow->frxq[i].hrxq =
- mlx5_hrxq_new(dev, flow->rss_conf.key,
- flow->rss_conf.key_len,
- flow->frxq[i].hash_fields,
- flow->rss_conf.queue,
- flow->rss_conf.queue_num,
- flow->tunnel,
- flow->rss_conf.level);
- if (!flow->frxq[i].hrxq) {
- DRV_LOG(DEBUG,
- "port %u flow %p cannot create hash"
- " rxq",
- dev->data->port_id, (void *)flow);
- rte_errno = EINVAL;
- return -rte_errno;
- }
-flow_create:
- mlx5_flow_dump(dev, flow, i);
- flow->frxq[i].ibv_flow =
- mlx5_glue->create_flow(flow->frxq[i].hrxq->qp,
- flow->frxq[i].ibv_attr);
- if (!flow->frxq[i].ibv_flow) {
- DRV_LOG(DEBUG,
- "port %u flow %p type %u cannot be"
- " applied",
- dev->data->port_id, (void *)flow, i);
- rte_errno = EINVAL;
- return -rte_errno;
- }
- }
- mlx5_flow_create_update_rxqs(dev, flow);
- }
return 0;
}
struct priv *priv = dev->data->dev_private;
const struct rte_flow_attr attr = {
.ingress = 1,
- .priority = MLX5_CTRL_FLOW_PRIORITY,
};
struct rte_flow_item items[] = {
{
return 0;
}
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-/**
- * Query flow counter.
- *
- * @param cs
- * the counter set.
- * @param counter_value
- * returned data from the counter.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_flow_query_count(struct ibv_counter_set *cs,
- struct mlx5_flow_counter_stats *counter_stats,
- struct rte_flow_query_count *query_count,
- struct rte_flow_error *error)
-{
- uint64_t counters[2];
- struct ibv_query_counter_set_attr query_cs_attr = {
- .cs = cs,
- .query_flags = IBV_COUNTER_SET_FORCE_UPDATE,
- };
- struct ibv_counter_set_data query_out = {
- .out = counters,
- .outlen = 2 * sizeof(uint64_t),
- };
- int err = mlx5_glue->query_counter_set(&query_cs_attr, &query_out);
-
- if (err)
- return rte_flow_error_set(error, err,
- RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL,
- "cannot read counter");
- query_count->hits_set = 1;
- query_count->bytes_set = 1;
- query_count->hits = counters[0] - counter_stats->hits;
- query_count->bytes = counters[1] - counter_stats->bytes;
- if (query_count->reset) {
- counter_stats->hits = counters[0];
- counter_stats->bytes = counters[1];
- }
- return 0;
-}
-
-/**
- * Query a flows.
- *
- * @see rte_flow_query()
- * @see rte_flow_ops
- */
-int
-mlx5_flow_query(struct rte_eth_dev *dev __rte_unused,
- struct rte_flow *flow,
- const struct rte_flow_action *action __rte_unused,
- void *data,
- struct rte_flow_error *error)
-{
- if (flow->cs) {
- int ret;
-
- ret = mlx5_flow_query_count(flow->cs,
- &flow->counter_stats,
- (struct rte_flow_query_count *)data,
- error);
- if (ret)
- return ret;
- } else {
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL,
- "no counter found for flow");
- }
- return 0;
-}
-#endif
-
/**
* Isolated mode.
*
.type = 0,
},
};
- struct mlx5_flow_parse parser = {
- .layer = HASH_RXQ_ETH,
- };
struct rte_flow_error error;
struct rte_flow *flow;
int ret;
ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
- if (ret)
- return ret;
- ret = mlx5_flow_convert(dev, &attributes.attr, attributes.items,
- attributes.actions, &error, &parser);
if (ret)
return ret;
flow = mlx5_flow_list_create(dev, &priv->flows, &attributes.attr,
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
-mlx5_fdir_filter_delete(struct rte_eth_dev *dev,
- const struct rte_eth_fdir_filter *fdir_filter)
+mlx5_fdir_filter_delete(struct rte_eth_dev *dev __rte_unused,
+ const struct rte_eth_fdir_filter *fdir_filter
+ __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- struct mlx5_fdir attributes = {
- .attr.group = 0,
- };
- struct mlx5_flow_parse parser = {
- .create = 1,
- .layer = HASH_RXQ_ETH,
- };
- struct rte_flow_error error;
- struct rte_flow *flow;
- unsigned int i;
- int ret;
-
- ret = mlx5_fdir_filter_convert(dev, fdir_filter, &attributes);
- if (ret)
- return ret;
- ret = mlx5_flow_convert(dev, &attributes.attr, attributes.items,
- attributes.actions, &error, &parser);
- if (ret)
- goto exit;
- /*
- * Special case for drop action which is only set in the
- * specifications when the flow is created. In this situation the
- * drop specification is missing.
- */
- if (parser.drop) {
- struct ibv_flow_spec_action_drop *drop;
-
- drop = (void *)((uintptr_t)parser.queue[HASH_RXQ_ETH].ibv_attr +
- parser.queue[HASH_RXQ_ETH].offset);
- *drop = (struct ibv_flow_spec_action_drop){
- .type = IBV_FLOW_SPEC_ACTION_DROP,
- .size = sizeof(struct ibv_flow_spec_action_drop),
- };
- parser.queue[HASH_RXQ_ETH].ibv_attr->num_of_specs++;
- }
- TAILQ_FOREACH(flow, &priv->flows, next) {
- struct ibv_flow_attr *attr;
- struct ibv_spec_header *attr_h;
- void *spec;
- struct ibv_flow_attr *flow_attr;
- struct ibv_spec_header *flow_h;
- void *flow_spec;
- unsigned int specs_n;
- unsigned int queue_id = parser.drop ? HASH_RXQ_ETH :
- parser.layer;
-
- attr = parser.queue[queue_id].ibv_attr;
- flow_attr = flow->frxq[queue_id].ibv_attr;
- /* Compare first the attributes. */
- if (!flow_attr ||
- memcmp(attr, flow_attr, sizeof(struct ibv_flow_attr)))
- continue;
- if (attr->num_of_specs == 0)
- continue;
- spec = (void *)((uintptr_t)attr +
- sizeof(struct ibv_flow_attr));
- flow_spec = (void *)((uintptr_t)flow_attr +
- sizeof(struct ibv_flow_attr));
- specs_n = RTE_MIN(attr->num_of_specs, flow_attr->num_of_specs);
- for (i = 0; i != specs_n; ++i) {
- attr_h = spec;
- flow_h = flow_spec;
- if (memcmp(spec, flow_spec,
- RTE_MIN(attr_h->size, flow_h->size)))
- goto wrong_flow;
- spec = (void *)((uintptr_t)spec + attr_h->size);
- flow_spec = (void *)((uintptr_t)flow_spec +
- flow_h->size);
- }
- /* At this point, the flow match. */
- break;
-wrong_flow:
- /* The flow does not match. */
- continue;
- }
- if (flow)
- mlx5_flow_list_destroy(dev, &priv->flows, flow);
-exit:
- if (ret)
- ret = rte_errno; /* Save rte_errno before cleanup. */
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser.queue[i].ibv_attr)
- rte_free(parser.queue[i].ibv_attr);
- }
- if (ret)
- rte_errno = ret; /* Restore rte_errno. */
+ rte_errno = ENOTSUP;
return -rte_errno;
}
* number of supported Verbs flow priority.
*/
unsigned int
-mlx5_get_max_verbs_prio(struct rte_eth_dev *dev)
+mlx5_get_max_verbs_prio(struct rte_eth_dev *dev __rte_unused)
{
- struct priv *priv = dev->data->dev_private;
- unsigned int verb_priorities = MLX5_VERBS_FLOW_PRIO_8;
- struct {
- struct ibv_flow_attr attr;
- struct ibv_flow_spec_eth eth;
- struct ibv_flow_spec_action_drop drop;
- } flow_attr = {
- .attr = {
- .num_of_specs = 2,
- },
- .eth = {
- .type = IBV_FLOW_SPEC_ETH,
- .size = sizeof(struct ibv_flow_spec_eth),
- },
- .drop = {
- .size = sizeof(struct ibv_flow_spec_action_drop),
- .type = IBV_FLOW_SPEC_ACTION_DROP,
- },
- };
- struct ibv_flow *flow;
-
- do {
- flow_attr.attr.priority = verb_priorities - 1;
- flow = mlx5_glue->create_flow(priv->flow_drop_queue->qp,
- &flow_attr.attr);
- if (flow) {
- claim_zero(mlx5_glue->destroy_flow(flow));
- /* Try more priorities. */
- verb_priorities *= 2;
- } else {
- /* Failed, restore last right number. */
- verb_priorities /= 2;
- break;
- }
- } while (1);
- DRV_LOG(DEBUG, "port %u Verbs flow priorities: %d,"
- " user flow priorities: %d",
- dev->data->port_id, verb_priorities, MLX5_CTRL_FLOW_PRIORITY);
- return verb_priorities;
+ return 8;
}
git.droids-corp.org / dpdk.git / commitdiff