/**< jump resource, at most one for each table created. */
};
-/*
- * 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
+/* Verbs specification header. */
+struct ibv_spec_header {
+ enum ibv_flow_spec_type type;
+ uint16_t size;
+};
-/* DV flows structure. */
-struct mlx5_flow_dv {
- struct mlx5_hrxq *hrxq; /**< Hash Rx queues. */
+struct mlx5_flow_rss {
+ uint32_t level;
+ uint32_t queue_num; /**< Number of entries in @p queue. */
+ uint64_t types; /**< Specific RSS hash types (see ETH_RSS_*). */
+ uint16_t (*queue)[]; /**< Destination queues to redirect traffic to. */
+ uint8_t key[MLX5_RSS_HASH_KEY_LEN]; /**< RSS hash key. */
+};
+
+/** Device flow handle structure for DV mode only. */
+struct mlx5_flow_handle_dv {
/* 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. */
struct mlx5_flow_dv_jump_tbl_resource *jump;
/**< Pointer to the jump action resource. */
struct mlx5_flow_dv_port_id_action_resource *port_id_action;
/**< Pointer to push VLAN action resource in cache. */
struct mlx5_flow_dv_tag_resource *tag_resource;
/**< pointer to the tag action. */
+};
+
+/** Device flow handle structure: used both for creating & destroying. */
+struct mlx5_flow_handle {
+ LIST_ENTRY(mlx5_flow_handle) next;
+ /**< Pointer to next device flow handle. */
+ uint64_t layers;
+ /**< Bit-fields of present layers, see MLX5_FLOW_LAYER_*. */
+ uint64_t act_flags;
+ /**< Bit-fields of detected actions, see MLX5_FLOW_ACTION_*. */
+ void *ib_flow; /**< Verbs flow pointer. */
+ struct mlx5_hrxq *hrxq; /**< Hash Rx queue object. */
+ struct mlx5_vf_vlan vf_vlan; /**< Structure for VF VLAN workaround. */
+ union {
+ uint32_t qrss_id; /**< Uniqie Q/RSS suffix subflow tag. */
+ uint32_t mtr_flow_id; /**< Unique meter match flow id. */
+ };
#ifdef HAVE_IBV_FLOW_DV_SUPPORT
- void *actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS];
- /**< Action list. */
+ struct mlx5_flow_handle_dv dvh;
#endif
- int actions_n; /**< number of actions. */
};
-/* Verbs specification header. */
-struct ibv_spec_header {
- enum ibv_flow_spec_type type;
- uint16_t size;
+/*
+ * Size for Verbs device flow handle structure only. Do not use the DV only
+ * structure in Verbs. No DV flows attributes will be accessed.
+ * Macro offsetof() could also be used here.
+ */
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+#define MLX5_FLOW_HANDLE_VERBS_SIZE \
+ (sizeof(struct mlx5_flow_handle) - sizeof(struct mlx5_flow_handle_dv))
+#else
+#define MLX5_FLOW_HANDLE_VERBS_SIZE (sizeof(struct mlx5_flow_handle))
+#endif
+
+/*
+ * 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
+
+/** Device flow structure only for DV flow creation. */
+struct mlx5_flow_dv_workspace {
+ uint32_t group; /**< The group index. */
+ uint8_t transfer; /**< 1 if the flow is E-Switch flow. */
+ int actions_n; /**< number of actions. */
+ void *actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS]; /**< Action list. */
+ struct mlx5_flow_dv_match_params value;
+ /**< Holds the value that the packet is compared to. */
};
-/** Handles information leading to a drop fate. */
-struct mlx5_flow_verbs {
- LIST_ENTRY(mlx5_flow_verbs) next;
+/*
+ * Maximal Verbs flow specifications & actions size.
+ * Some elements are mutually exclusive, but enough space should be allocated.
+ * Tunnel cases: 1. Max 2 Ethernet + IP(v6 len > v4 len) + TCP/UDP headers.
+ * 2. One tunnel header (exception: GRE + MPLS),
+ * SPEC length: GRE == tunnel.
+ * Actions: 1. 1 Mark OR Flag.
+ * 2. 1 Drop (if any).
+ * 3. No limitation for counters, but it makes no sense to support too
+ * many counters in a single device flow.
+ */
+#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
+#define MLX5_VERBS_MAX_SPEC_SIZE \
+ ( \
+ (2 * (sizeof(struct ibv_flow_spec_eth) + \
+ sizeof(struct ibv_flow_spec_ipv6) + \
+ sizeof(struct ibv_flow_spec_tcp_udp)) + \
+ sizeof(struct ibv_flow_spec_gre) + \
+ sizeof(struct ibv_flow_spec_mpls)) \
+ )
+#else
+#define MLX5_VERBS_MAX_SPEC_SIZE \
+ ( \
+ (2 * (sizeof(struct ibv_flow_spec_eth) + \
+ sizeof(struct ibv_flow_spec_ipv6) + \
+ sizeof(struct ibv_flow_spec_tcp_udp)) + \
+ sizeof(struct ibv_flow_spec_tunnel)) \
+ )
+#endif
+
+#if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
+ defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
+#define MLX5_VERBS_MAX_ACT_SIZE \
+ ( \
+ sizeof(struct ibv_flow_spec_action_tag) + \
+ sizeof(struct ibv_flow_spec_action_drop) + \
+ sizeof(struct ibv_flow_spec_counter_action) * 4 \
+ )
+#else
+#define MLX5_VERBS_MAX_ACT_SIZE \
+ ( \
+ sizeof(struct ibv_flow_spec_action_tag) + \
+ sizeof(struct ibv_flow_spec_action_drop) \
+ )
+#endif
+
+#define MLX5_VERBS_MAX_SPEC_ACT_SIZE \
+ (MLX5_VERBS_MAX_SPEC_SIZE + MLX5_VERBS_MAX_ACT_SIZE)
+
+/** Device flow structure only for Verbs flow creation. */
+struct mlx5_flow_verbs_workspace {
unsigned int size; /**< Size of the attribute. */
- struct {
- struct ibv_flow_attr *attr;
- /**< Pointer to the Specification buffer. */
- uint8_t *specs; /**< Pointer to the specifications. */
- };
- struct ibv_flow *flow; /**< Verbs flow pointer. */
- struct mlx5_hrxq *hrxq; /**< Hash Rx queue object. */
- struct mlx5_vf_vlan vf_vlan;
- /**< Structure for VF VLAN workaround. */
+ struct ibv_flow_attr attr; /**< Verbs flow attribute buffer. */
+ uint8_t specs[MLX5_VERBS_MAX_SPEC_ACT_SIZE];
+ /**< Specifications & actions buffer of verbs flow. */
};
-struct mlx5_flow_rss {
- uint32_t level;
- uint32_t queue_num; /**< Number of entries in @p queue. */
- uint64_t types; /**< Specific RSS hash types (see ETH_RSS_*). */
- uint16_t (*queue)[]; /**< Destination queues to redirect traffic to. */
- uint8_t key[MLX5_RSS_HASH_KEY_LEN]; /**< RSS hash key. */
-};
+/** Maximal number of device sub-flows supported. */
+#define MLX5_NUM_MAX_DEV_FLOWS 32
/** Device flow structure. */
struct mlx5_flow {
- LIST_ENTRY(mlx5_flow) next;
struct rte_flow *flow; /**< Pointer to the main flow. */
- uint64_t layers;
- /**< Bit-fields of present layers, see MLX5_FLOW_LAYER_*. */
- uint64_t actions;
- /**< Bit-fields of detected actions, see MLX5_FLOW_ACTION_*. */
uint64_t hash_fields; /**< Verbs hash Rx queue hash fields. */
+ bool external; /**< true if the flow is created external to PMD. */
uint8_t ingress; /**< 1 if the flow is ingress. */
- uint32_t group; /**< The group index. */
- uint8_t transfer; /**< 1 if the flow is E-Switch flow. */
union {
#ifdef HAVE_IBV_FLOW_DV_SUPPORT
- struct mlx5_flow_dv dv;
+ struct mlx5_flow_dv_workspace dv;
#endif
- struct mlx5_flow_verbs verbs;
+ struct mlx5_flow_verbs_workspace verbs;
};
- union {
- uint32_t qrss_id; /**< Uniqie Q/RSS suffix subflow tag. */
- uint32_t mtr_flow_id; /**< Unique meter match flow id. */
- };
- bool external; /**< true if the flow is created external to PMD. */
+ struct mlx5_flow_handle *handle;
};
/* Flow meter state. */
struct mlx5_flow_mreg_copy_resource *mreg_copy;
/**< pointer to metadata register copy table resource. */
struct mlx5_flow_meter *meter; /**< Holds flow meter. */
- LIST_HEAD(dev_flows, mlx5_flow) dev_flows;
- /**< Device flows that are part of the flow. */
+ LIST_HEAD(dev_handles, mlx5_flow_handle) dev_handles;
+ /**< Device flow handles that are part of the flow. */
struct mlx5_fdir *fdir; /**< Pointer to associated FDIR if any. */
uint32_t hairpin_flow_id; /**< The flow id used for hairpin. */
uint32_t copy_applied:1; /**< The MARK copy Flow os applied. */
bool external,
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[],
+ (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);
typedef int (*mlx5_flow_translate_t)(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
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