X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_flow.h;h=e1e798b7a69db69f35743021eb6ec8ec1d79fdcf;hb=d9263ab13886f8b25a324e40ddb205f1a3f71c6d;hp=467b5a854379683f529b888258faf0696828c77a;hpb=84c406e74524e0a81e4d77034e7e4e72a32e5dd1;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h index 467b5a8543..e1e798b7a6 100644 --- a/drivers/net/mlx5/mlx5_flow.h +++ b/drivers/net/mlx5/mlx5_flow.h @@ -21,6 +21,9 @@ #pragma GCC diagnostic error "-Wpedantic" #endif +#include "mlx5.h" +#include "mlx5_prm.h" + /* Pattern outer Layer bits. */ #define MLX5_FLOW_LAYER_OUTER_L2 (1u << 0) #define MLX5_FLOW_LAYER_OUTER_L3_IPV4 (1u << 1) @@ -43,6 +46,9 @@ #define MLX5_FLOW_LAYER_GRE (1u << 14) #define MLX5_FLOW_LAYER_MPLS (1u << 15) +/* General pattern items bits. */ +#define MLX5_FLOW_ITEM_METADATA (1u << 16) + /* Outer Masks. */ #define MLX5_FLOW_LAYER_OUTER_L3 \ (MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6) @@ -66,15 +72,17 @@ (MLX5_FLOW_LAYER_INNER_L2 | MLX5_FLOW_LAYER_INNER_L3 | \ MLX5_FLOW_LAYER_INNER_L4) -/* Actions that modify the fate of matching traffic. */ -#define MLX5_FLOW_FATE_DROP (1u << 0) -#define MLX5_FLOW_FATE_QUEUE (1u << 1) -#define MLX5_FLOW_FATE_RSS (1u << 2) - -/* Modify a packet. */ -#define MLX5_FLOW_MOD_FLAG (1u << 0) -#define MLX5_FLOW_MOD_MARK (1u << 1) -#define MLX5_FLOW_MOD_COUNT (1u << 2) +/* Layer Masks. */ +#define MLX5_FLOW_LAYER_L2 \ + (MLX5_FLOW_LAYER_OUTER_L2 | MLX5_FLOW_LAYER_INNER_L2) +#define MLX5_FLOW_LAYER_L3_IPV4 \ + (MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_INNER_L3_IPV4) +#define MLX5_FLOW_LAYER_L3_IPV6 \ + (MLX5_FLOW_LAYER_OUTER_L3_IPV6 | MLX5_FLOW_LAYER_INNER_L3_IPV6) +#define MLX5_FLOW_LAYER_L3 \ + (MLX5_FLOW_LAYER_L3_IPV4 | MLX5_FLOW_LAYER_L3_IPV6) +#define MLX5_FLOW_LAYER_L4 \ + (MLX5_FLOW_LAYER_OUTER_L4 | MLX5_FLOW_LAYER_INNER_L4) /* Actions */ #define MLX5_FLOW_ACTION_DROP (1u << 0) @@ -83,14 +91,62 @@ #define MLX5_FLOW_ACTION_FLAG (1u << 3) #define MLX5_FLOW_ACTION_MARK (1u << 4) #define MLX5_FLOW_ACTION_COUNT (1u << 5) +#define MLX5_FLOW_ACTION_PORT_ID (1u << 6) +#define MLX5_FLOW_ACTION_OF_POP_VLAN (1u << 7) +#define MLX5_FLOW_ACTION_OF_PUSH_VLAN (1u << 8) +#define MLX5_FLOW_ACTION_OF_SET_VLAN_VID (1u << 9) +#define MLX5_FLOW_ACTION_OF_SET_VLAN_PCP (1u << 10) +#define MLX5_FLOW_ACTION_SET_IPV4_SRC (1u << 11) +#define MLX5_FLOW_ACTION_SET_IPV4_DST (1u << 12) +#define MLX5_FLOW_ACTION_SET_IPV6_SRC (1u << 13) +#define MLX5_FLOW_ACTION_SET_IPV6_DST (1u << 14) +#define MLX5_FLOW_ACTION_SET_TP_SRC (1u << 15) +#define MLX5_FLOW_ACTION_SET_TP_DST (1u << 16) +#define MLX5_FLOW_ACTION_JUMP (1u << 17) +#define MLX5_FLOW_ACTION_SET_TTL (1u << 18) +#define MLX5_FLOW_ACTION_DEC_TTL (1u << 19) +#define MLX5_FLOW_ACTION_SET_MAC_SRC (1u << 20) +#define MLX5_FLOW_ACTION_SET_MAC_DST (1u << 21) +#define MLX5_FLOW_ACTION_VXLAN_ENCAP (1u << 22) +#define MLX5_FLOW_ACTION_VXLAN_DECAP (1u << 23) +#define MLX5_FLOW_ACTION_NVGRE_ENCAP (1u << 24) +#define MLX5_FLOW_ACTION_NVGRE_DECAP (1u << 25) +#define MLX5_FLOW_ACTION_RAW_ENCAP (1u << 26) +#define MLX5_FLOW_ACTION_RAW_DECAP (1u << 27) #define MLX5_FLOW_FATE_ACTIONS \ (MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS) +#define MLX5_FLOW_ENCAP_ACTIONS (MLX5_FLOW_ACTION_VXLAN_ENCAP | \ + MLX5_FLOW_ACTION_NVGRE_ENCAP | \ + MLX5_FLOW_ACTION_RAW_ENCAP) + +#define MLX5_FLOW_DECAP_ACTIONS (MLX5_FLOW_ACTION_VXLAN_DECAP | \ + MLX5_FLOW_ACTION_NVGRE_DECAP | \ + MLX5_FLOW_ACTION_RAW_DECAP) + +#define MLX5_FLOW_MODIFY_HDR_ACTIONS (MLX5_FLOW_ACTION_SET_IPV4_SRC | \ + MLX5_FLOW_ACTION_SET_IPV4_DST | \ + MLX5_FLOW_ACTION_SET_IPV6_SRC | \ + MLX5_FLOW_ACTION_SET_IPV6_DST | \ + MLX5_FLOW_ACTION_SET_TP_SRC | \ + MLX5_FLOW_ACTION_SET_TP_DST | \ + MLX5_FLOW_ACTION_SET_TTL | \ + MLX5_FLOW_ACTION_DEC_TTL | \ + MLX5_FLOW_ACTION_SET_MAC_SRC | \ + MLX5_FLOW_ACTION_SET_MAC_DST) + #ifndef IPPROTO_MPLS #define IPPROTO_MPLS 137 #endif +/* UDP port number for MPLS */ +#define MLX5_UDP_PORT_MPLS 6635 + +/* UDP port numbers for VxLAN. */ +#define MLX5_UDP_PORT_VXLAN 4789 +#define MLX5_UDP_PORT_VXLAN_GPE 4790 + /* Priority reserved for default flows. */ #define MLX5_FLOW_PRIO_RSVD ((uint32_t)-1) @@ -105,6 +161,126 @@ #define MLX5_PRIORITY_MAP_L4 0 #define MLX5_PRIORITY_MAP_MAX 3 +/* Valid layer type for IPV4 RSS. */ +#define MLX5_IPV4_LAYER_TYPES \ + (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \ + ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV4_UDP | \ + ETH_RSS_NONFRAG_IPV4_OTHER) + +/* IBV hash source bits for IPV4. */ +#define MLX5_IPV4_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4) + +/* Valid layer type for IPV6 RSS. */ +#define MLX5_IPV6_LAYER_TYPES \ + (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP | \ + ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_IPV6_EX | ETH_RSS_IPV6_TCP_EX | \ + ETH_RSS_IPV6_UDP_EX | ETH_RSS_NONFRAG_IPV6_OTHER) + +/* IBV hash source bits for IPV6. */ +#define MLX5_IPV6_IBV_RX_HASH (IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6) + +enum mlx5_flow_drv_type { + MLX5_FLOW_TYPE_MIN, + MLX5_FLOW_TYPE_DV, + MLX5_FLOW_TYPE_TCF, + MLX5_FLOW_TYPE_VERBS, + MLX5_FLOW_TYPE_MAX, +}; + +/* Matcher PRM representation */ +struct mlx5_flow_dv_match_params { + size_t size; + /**< Size of match value. Do NOT split size and key! */ + uint32_t buf[MLX5_ST_SZ_DW(fte_match_param)]; + /**< Matcher value. This value is used as the mask or as a key. */ +}; + +/* Matcher structure. */ +struct mlx5_flow_dv_matcher { + LIST_ENTRY(mlx5_flow_dv_matcher) next; + /* Pointer to the next element. */ + rte_atomic32_t refcnt; /**< Reference counter. */ + void *matcher_object; /**< Pointer to DV matcher */ + uint16_t crc; /**< CRC of key. */ + uint16_t priority; /**< Priority of matcher. */ + uint8_t egress; /**< Egress matcher. */ + struct mlx5_flow_dv_match_params mask; /**< Matcher mask. */ +}; + +#define MLX5_ENCAP_MAX_LEN 132 + +/* Encap/decap resource structure. */ +struct mlx5_flow_dv_encap_decap_resource { + LIST_ENTRY(mlx5_flow_dv_encap_decap_resource) next; + /* Pointer to next element. */ + rte_atomic32_t refcnt; /**< Reference counter. */ + struct ibv_flow_action *verbs_action; + /**< Verbs encap/decap action object. */ + uint8_t buf[MLX5_ENCAP_MAX_LEN]; + size_t size; + uint8_t reformat_type; + uint8_t ft_type; +}; + +/* Number of modification commands. */ +#define MLX5_MODIFY_NUM 8 + +/* Modify resource structure */ +struct mlx5_flow_dv_modify_hdr_resource { + LIST_ENTRY(mlx5_flow_dv_modify_hdr_resource) next; + /* Pointer to next element. */ + rte_atomic32_t refcnt; /**< Reference counter. */ + struct ibv_flow_action *verbs_action; + /**< Verbs modify header action object. */ + uint8_t ft_type; /**< Flow table type, Rx or Tx. */ + uint32_t actions_num; /**< Number of modification actions. */ + struct mlx5_modification_cmd actions[MLX5_MODIFY_NUM]; + /**< Modification actions. */ +}; + +/* + * Max number of actions per DV flow. + * See CREATE_FLOW_MAX_FLOW_ACTIONS_SUPPORTED + * In rdma-core file providers/mlx5/verbs.c + */ +#define MLX5_DV_MAX_NUMBER_OF_ACTIONS 8 + +/* DV flows structure. */ +struct mlx5_flow_dv { + uint64_t hash_fields; /**< Fields that participate in the hash. */ + struct mlx5_hrxq *hrxq; /**< Hash Rx queues. */ + /* Flow DV api: */ + struct mlx5_flow_dv_matcher *matcher; /**< Cache to matcher. */ + struct mlx5_flow_dv_match_params value; + /**< Holds the value that the packet is compared to. */ + struct mlx5_flow_dv_encap_decap_resource *encap_decap; + /**< Pointer to encap/decap resource in cache. */ + struct mlx5_flow_dv_modify_hdr_resource *modify_hdr; + /**< Pointer to modify header resource in cache. */ + struct ibv_flow *flow; /**< Installed flow. */ +#ifdef HAVE_IBV_FLOW_DV_SUPPORT + struct mlx5dv_flow_action_attr actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS]; + /**< Action list. */ +#endif + int actions_n; /**< number of actions. */ +}; + +/** Linux TC flower driver for E-Switch flow. */ +struct mlx5_flow_tcf { + struct nlmsghdr *nlh; + struct tcmsg *tcm; + uint32_t *ptc_flags; /**< tc rule applied flags. */ + union { /**< Tunnel encap/decap descriptor. */ + struct flow_tcf_tunnel_hdr *tunnel; + struct flow_tcf_vxlan_decap *vxlan_decap; + struct flow_tcf_vxlan_encap *vxlan_encap; + }; + uint32_t applied:1; /**< Whether rule is currently applied. */ +#ifndef NDEBUG + uint32_t nlsize; /**< Size of NL message buffer for debug check. */ +#endif +}; + /* Verbs specification header. */ struct ibv_spec_header { enum ibv_flow_spec_type type; @@ -129,9 +305,14 @@ struct mlx5_flow_verbs { struct mlx5_flow { LIST_ENTRY(mlx5_flow) next; struct rte_flow *flow; /**< Pointer to the main flow. */ - uint32_t layers; /**< Bit-fields that holds the detected layers. */ + uint64_t layers; + /**< Bit-fields of present layers, see MLX5_FLOW_LAYER_*. */ union { - struct mlx5_flow_verbs verbs; /**< Holds the verbs dev-flow. */ +#ifdef HAVE_IBV_FLOW_DV_SUPPORT + struct mlx5_flow_dv dv; +#endif + struct mlx5_flow_tcf tcf; + struct mlx5_flow_verbs verbs; }; }; @@ -141,7 +322,14 @@ struct mlx5_flow_counter { uint32_t shared:1; /**< Share counter ID with other flow rules. */ uint32_t ref_cnt:31; /**< Reference counter. */ uint32_t id; /**< Counter ID. */ - struct ibv_counter_set *cs; /**< Holds the counters for the rule. */ + union { /**< Holds the counters for the rule. */ +#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) + struct ibv_counter_set *cs; +#elif defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45) + struct ibv_counters *cs; +#endif + struct mlx5_devx_counter_set *dcs; + }; uint64_t hits; /**< Number of packets matched by the rule. */ uint64_t bytes; /**< Number of bytes matched by the rule. */ }; @@ -149,18 +337,18 @@ struct mlx5_flow_counter { /* Flow structure. */ struct rte_flow { TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */ - struct rte_flow_attr attributes; /**< User flow attribute. */ - uint32_t layers; - /**< Bit-fields of present layers see MLX5_FLOW_LAYER_*. */ + enum mlx5_flow_drv_type drv_type; /**< Drvier type. */ struct mlx5_flow_counter *counter; /**< Holds flow counter. */ struct rte_flow_action_rss rss;/**< RSS context. */ uint8_t key[MLX5_RSS_HASH_KEY_LEN]; /**< RSS hash key. */ uint16_t (*queue)[]; /**< Destination queues to redirect traffic to. */ - void *nl_flow; /**< Netlink flow buffer if relevant. */ LIST_HEAD(dev_flows, mlx5_flow) dev_flows; /**< Device flows that are part of the flow. */ - uint32_t actions; /**< Bit-fields which mark all detected actions. */ + uint64_t actions; + /**< Bit-fields of detected actions, see MLX5_FLOW_ACTION_*. */ + struct mlx5_fdir *fdir; /**< Pointer to associated FDIR if any. */ }; + typedef int (*mlx5_flow_validate_t)(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, const struct rte_flow_item items[], @@ -168,8 +356,7 @@ typedef int (*mlx5_flow_validate_t)(struct rte_eth_dev *dev, struct rte_flow_error *error); typedef struct mlx5_flow *(*mlx5_flow_prepare_t) (const struct rte_flow_attr *attr, const struct rte_flow_item items[], - const struct rte_flow_action actions[], uint64_t *item_flags, - uint64_t *action_flags, struct rte_flow_error *error); + const struct rte_flow_action actions[], struct rte_flow_error *error); typedef int (*mlx5_flow_translate_t)(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow, const struct rte_flow_attr *attr, @@ -182,6 +369,11 @@ typedef void (*mlx5_flow_remove_t)(struct rte_eth_dev *dev, struct rte_flow *flow); typedef void (*mlx5_flow_destroy_t)(struct rte_eth_dev *dev, struct rte_flow *flow); +typedef int (*mlx5_flow_query_t)(struct rte_eth_dev *dev, + struct rte_flow *flow, + const struct rte_flow_action *actions, + void *data, + struct rte_flow_error *error); struct mlx5_flow_driver_ops { mlx5_flow_validate_t validate; mlx5_flow_prepare_t prepare; @@ -189,32 +381,47 @@ struct mlx5_flow_driver_ops { mlx5_flow_apply_t apply; mlx5_flow_remove_t remove; mlx5_flow_destroy_t destroy; + mlx5_flow_query_t query; }; /* mlx5_flow.c */ +uint64_t mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow, int tunnel, + uint64_t layer_types, + uint64_t hash_fields); uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority, uint32_t subpriority); int mlx5_flow_validate_action_count(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, struct rte_flow_error *error); int mlx5_flow_validate_action_drop(uint64_t action_flags, + const struct rte_flow_attr *attr, struct rte_flow_error *error); int mlx5_flow_validate_action_flag(uint64_t action_flags, + const struct rte_flow_attr *attr, struct rte_flow_error *error); int mlx5_flow_validate_action_mark(const struct rte_flow_action *action, uint64_t action_flags, + const struct rte_flow_attr *attr, struct rte_flow_error *error); int mlx5_flow_validate_action_queue(const struct rte_flow_action *action, uint64_t action_flags, struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, struct rte_flow_error *error); int mlx5_flow_validate_action_rss(const struct rte_flow_action *action, uint64_t action_flags, struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, struct rte_flow_error *error); int mlx5_flow_validate_attributes(struct rte_eth_dev *dev, const struct rte_flow_attr *attributes, struct rte_flow_error *error); +int mlx5_flow_item_acceptable(const struct rte_flow_item *item, + const uint8_t *mask, + const uint8_t *nic_mask, + unsigned int size, + struct rte_flow_error *error); int mlx5_flow_validate_item_eth(const struct rte_flow_item *item, uint64_t item_flags, struct rte_flow_error *error); @@ -223,25 +430,29 @@ int mlx5_flow_validate_item_gre(const struct rte_flow_item *item, uint8_t target_protocol, struct rte_flow_error *error); int mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item, - int64_t item_flags, + uint64_t item_flags, + const struct rte_flow_item_ipv4 *acc_mask, struct rte_flow_error *error); int mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item, uint64_t item_flags, + const struct rte_flow_item_ipv6 *acc_mask, struct rte_flow_error *error); -int mlx5_flow_validate_item_mpls(const struct rte_flow_item *item, +int mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev, + const struct rte_flow_item *item, uint64_t item_flags, - uint8_t target_protocol, + uint64_t prev_layer, struct rte_flow_error *error); int mlx5_flow_validate_item_tcp(const struct rte_flow_item *item, uint64_t item_flags, uint8_t target_protocol, + const struct rte_flow_item_tcp *flow_mask, struct rte_flow_error *error); int mlx5_flow_validate_item_udp(const struct rte_flow_item *item, uint64_t item_flags, uint8_t target_protocol, struct rte_flow_error *error); int mlx5_flow_validate_item_vlan(const struct rte_flow_item *item, - int64_t item_flags, + uint64_t item_flags, struct rte_flow_error *error); int mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item, uint64_t item_flags, @@ -250,10 +461,12 @@ int mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item, uint64_t item_flags, struct rte_eth_dev *dev, struct rte_flow_error *error); -void mlx5_flow_init_driver_ops(struct rte_eth_dev *dev); -/* mlx5_flow_verbs.c */ +/* mlx5_flow_tcf.c */ -void mlx5_flow_verbs_get_driver_ops(struct mlx5_flow_driver_ops *flow_ops); +int mlx5_flow_tcf_init(struct mlx5_flow_tcf_context *ctx, + unsigned int ifindex, struct rte_flow_error *error); +struct mlx5_flow_tcf_context *mlx5_flow_tcf_context_create(void); +void mlx5_flow_tcf_context_destroy(struct mlx5_flow_tcf_context *ctx); #endif /* RTE_PMD_MLX5_FLOW_H_ */