net/mlx4: add external allocator for Verbs object

[dpdk.git] / drivers / net / mlx4 / mlx4.h

diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 300cb4d..d43e05e 100644 (file)
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -47,6 +47,9 @@
 /** Interrupt alarm timeout value in microseconds. */
 #define MLX4_INTR_ALARM_TIMEOUT 100000
 
+/* Maximum packet headers size (L2+L3+L4) for TSO. */
+#define MLX4_MAX_TSO_HEADER 192
+
 /** Port parameter. */
 #define MLX4_PMD_PORT_KVARG "port"
 
@@ -69,13 +72,32 @@ struct rxq;
 struct txq;
 struct rte_flow;
 
-LIST_HEAD(mlx4_dev_list, priv);
+/**
+ * Type of objet being allocated.
+ */
+enum mlx4_verbs_alloc_type {
+       MLX4_VERBS_ALLOC_TYPE_NONE,
+       MLX4_VERBS_ALLOC_TYPE_TX_QUEUE,
+       MLX4_VERBS_ALLOC_TYPE_RX_QUEUE,
+};
+
+/**
+ * Verbs allocator needs a context to know in the callback which kind of
+ * resources it is allocating.
+ */
+struct mlx4_verbs_alloc_ctx {
+       enum mlx4_verbs_alloc_type type; /* Kind of object being allocated. */
+       const void *obj; /* Pointer to the DPDK object. */
+};
+
+LIST_HEAD(mlx4_dev_list, mlx4_priv);
 LIST_HEAD(mlx4_mr_list, mlx4_mr);
 
 /** Private data structure. */
-struct priv {
-       LIST_ENTRY(priv) mem_event_cb; /* Called by memory event callback. */
-       struct rte_eth_dev *dev; /**< Ethernet device. */
+struct mlx4_priv {
+       LIST_ENTRY(mlx4_priv) mem_event_cb;
+       /**< Called by memory event callback. */
+       struct rte_eth_dev_data *dev_data;  /* Pointer to device data. */
        struct ibv_context *ctx; /**< Verbs context. */
        struct ibv_device_attr device_attr; /**< Device properties. */
        struct ibv_pd *pd; /**< Protection Domain. */
@@ -90,6 +112,9 @@ struct priv {
        uint32_t hw_csum:1; /**< Checksum offload is supported. */
        uint32_t hw_csum_l2tun:1; /**< Checksum support for L2 tunnels. */
        uint32_t hw_fcs_strip:1; /**< FCS stripping toggling is supported. */
+       uint32_t tso:1; /**< Transmit segmentation offload is supported. */
+       uint32_t tso_max_payload_sz; /**< Max supported TSO payload size. */
+       uint32_t hw_rss_max_qps; /**< Max Rx Queues supported by RSS. */
        uint64_t hw_rss_sup; /**< Supported RSS hash fields (Verbs format). */
        struct rte_intr_handle intr_handle; /**< Port interrupt handle. */
        struct mlx4_drop *drop; /**< Shared resources for drop flow rules. */
@@ -104,13 +129,18 @@ struct priv {
        LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */
        struct ether_addr mac[MLX4_MAX_MAC_ADDRESSES];
        /**< Configured MAC addresses. Unused entries are zeroed. */
+       struct mlx4_verbs_alloc_ctx verbs_alloc_ctx;
+       /**< Context for Verbs allocator. */
 };
 
+#define PORT_ID(priv) ((priv)->dev_data->port_id)
+#define ETH_DEV(priv) (&rte_eth_devices[PORT_ID(priv)])
+
 /* mlx4_ethdev.c */
 
-int mlx4_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE]);
-int mlx4_get_mac(struct priv *priv, uint8_t (*mac)[ETHER_ADDR_LEN]);
-int mlx4_mtu_get(struct priv *priv, uint16_t *mtu);
+int mlx4_get_ifname(const struct mlx4_priv *priv, char (*ifname)[IF_NAMESIZE]);
+int mlx4_get_mac(struct mlx4_priv *priv, uint8_t (*mac)[ETHER_ADDR_LEN]);
+int mlx4_mtu_get(struct mlx4_priv *priv, uint16_t *mtu);
 int mlx4_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
 int mlx4_dev_set_link_down(struct rte_eth_dev *dev);
 int mlx4_dev_set_link_up(struct rte_eth_dev *dev);
@@ -125,6 +155,7 @@ int mlx4_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr);
 int mlx4_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on);
 int mlx4_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
 void mlx4_stats_reset(struct rte_eth_dev *dev);
+int mlx4_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size);
 void mlx4_dev_infos_get(struct rte_eth_dev *dev,
                        struct rte_eth_dev_info *info);
 int mlx4_link_update(struct rte_eth_dev *dev, int wait_to_complete);
@@ -137,10 +168,10 @@ int mlx4_is_removed(struct rte_eth_dev *dev);
 
 /* mlx4_intr.c */
 
-int mlx4_intr_uninstall(struct priv *priv);
-int mlx4_intr_install(struct priv *priv);
-int mlx4_rxq_intr_enable(struct priv *priv);
-void mlx4_rxq_intr_disable(struct priv *priv);
+int mlx4_intr_uninstall(struct mlx4_priv *priv);
+int mlx4_intr_install(struct mlx4_priv *priv);
+int mlx4_rxq_intr_enable(struct mlx4_priv *priv);
+void mlx4_rxq_intr_disable(struct mlx4_priv *priv);
 int mlx4_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx);
 int mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx);