X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx4%2Fmlx4.h;h=45846554b90fba4f745ab5f0743cf62d67878d5e;hb=caccf8b318cafcdafe39faa3c5ce3eef67007621;hp=ce827aa58478546b25682634670e414030b4ebff;hpb=63c2f23c852adbff174f040d3e3472c91e39cf68;p=dpdk.git diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h index ce827aa584..45846554b9 100644 --- a/drivers/net/mlx4/mlx4.h +++ b/drivers/net/mlx4/mlx4.h @@ -1,43 +1,16 @@ -/*- - * BSD LICENSE - * - * Copyright 2012 6WIND S.A. - * Copyright 2012 Mellanox - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2012 6WIND S.A. + * Copyright 2012 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX4_H_ #define RTE_PMD_MLX4_H_ +#include #include +#include -/* Verbs header. */ -/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ +/* Verbs headers do not support -pedantic. */ #ifdef PEDANTIC #pragma GCC diagnostic ignored "-Wpedantic" #endif @@ -46,13 +19,30 @@ #pragma GCC diagnostic error "-Wpedantic" #endif -/* Request send completion once in every 64 sends, might be less. */ +#include +#include +#include +#include +#include + +#ifndef IBV_RX_HASH_INNER +/** This is not necessarily defined by supported RDMA core versions. */ +#define IBV_RX_HASH_INNER (1ull << 31) +#endif /* IBV_RX_HASH_INNER */ + +/** Maximum number of simultaneous MAC addresses. This value is arbitrary. */ +#define MLX4_MAX_MAC_ADDRESSES 128 + +/** Request send completion once in every 64 sends, might be less. */ #define MLX4_PMD_TX_PER_COMP_REQ 64 -/* Maximum size for inline data. */ +/** Maximum size for inline data. */ #define MLX4_PMD_MAX_INLINE 0 -/* +/** Fixed RSS hash key size in bytes. Cannot be modified. */ +#define MLX4_RSS_HASH_KEY_SIZE 40 + +/** * Maximum number of cached Memory Pools (MPs) per TX queue. Each RTE MP * from which buffers are to be transmitted will have to be mapped by this * driver to their own Memory Region (MR). This is a slow operation. @@ -63,10 +53,10 @@ #define MLX4_PMD_TX_MP_CACHE 8 #endif -/* Alarm timeout. */ -#define MLX4_ALARM_TIMEOUT_US 100000 +/** Interrupt alarm timeout value in microseconds. */ +#define MLX4_INTR_ALARM_TIMEOUT 100000 -/* Port parameter. */ +/** Port parameter. */ #define MLX4_PMD_PORT_KVARG "port" enum { @@ -79,100 +69,97 @@ enum { PCI_DEVICE_ID_MELLANOX_CONNECTX3PRO = 0x1007, }; +/** Driver name reported to lower layers and used in log output. */ #define MLX4_DRIVER_NAME "net_mlx4" -struct mlx4_rxq_stats { - unsigned int idx; /**< Mapping index. */ - uint64_t ipackets; /**< Total of successfully received packets. */ - uint64_t ibytes; /**< Total of successfully received bytes. */ - uint64_t idropped; /**< Total of packets dropped when RX ring full. */ - uint64_t rx_nombuf; /**< Total of RX mbuf allocation failures. */ -}; - -/* RX element. */ -struct rxq_elt { - struct ibv_recv_wr wr; /* Work Request. */ - struct ibv_sge sge; /* Scatter/Gather Element. */ - struct rte_mbuf *buf; /**< Buffer. */ -}; - -/* RX queue descriptor. */ -struct rxq { - struct priv *priv; /* Back pointer to private data. */ - struct rte_mempool *mp; /* Memory Pool for allocations. */ - struct ibv_mr *mr; /* Memory Region (for mp). */ - struct ibv_cq *cq; /* Completion Queue. */ - struct ibv_qp *qp; /* Queue Pair. */ - struct ibv_comp_channel *channel; - unsigned int port_id; /* Port ID for incoming packets. */ - unsigned int elts_n; /* (*elts)[] length. */ - unsigned int elts_head; /* Current index in (*elts)[]. */ - struct rxq_elt (*elts)[]; /* Rx elements. */ - struct mlx4_rxq_stats stats; /* RX queue counters. */ - unsigned int socket; /* CPU socket ID for allocations. */ -}; - -/* TX element. */ -struct txq_elt { - struct ibv_send_wr wr; /* Work request. */ - struct ibv_sge sge; /* Scatter/gather element. */ - struct rte_mbuf *buf; -}; - -struct mlx4_txq_stats { - unsigned int idx; /**< Mapping index. */ - uint64_t opackets; /**< Total of successfully sent packets. */ - uint64_t obytes; /**< Total of successfully sent bytes. */ - uint64_t odropped; /**< Total of packets not sent when TX ring full. */ -}; +struct mlx4_drop; +struct mlx4_rss; +struct rxq; +struct txq; +struct rte_flow; -/* TX queue descriptor. */ -struct txq { - struct priv *priv; /* Back pointer to private data. */ - struct { - const struct rte_mempool *mp; /* Cached Memory Pool. */ - struct ibv_mr *mr; /* Memory Region (for mp). */ - uint32_t lkey; /* mr->lkey */ - } mp2mr[MLX4_PMD_TX_MP_CACHE]; /* MP to MR translation table. */ - struct ibv_cq *cq; /* Completion Queue. */ - struct ibv_qp *qp; /* Queue Pair. */ - uint32_t max_inline; /* Max inline send size <= MLX4_PMD_MAX_INLINE. */ - unsigned int elts_n; /* (*elts)[] length. */ - struct txq_elt (*elts)[]; /* TX elements. */ - unsigned int elts_head; /* Current index in (*elts)[]. */ - unsigned int elts_tail; /* First element awaiting completion. */ - unsigned int elts_comp; /* Number of completion requests. */ - unsigned int elts_comp_cd; /* Countdown for next completion request. */ - unsigned int elts_comp_cd_init; /* Initial value for countdown. */ - struct mlx4_txq_stats stats; /* TX queue counters. */ - unsigned int socket; /* CPU socket ID for allocations. */ +/** Memory region descriptor. */ +struct mlx4_mr { + LIST_ENTRY(mlx4_mr) next; /**< Next entry in list. */ + uintptr_t start; /**< Base address for memory region. */ + uintptr_t end; /**< End address for memory region. */ + uint32_t lkey; /**< L_Key extracted from @p mr. */ + uint32_t refcnt; /**< Reference count for this object. */ + struct priv *priv; /**< Back pointer to private data. */ + struct ibv_mr *mr; /**< Memory region associated with @p mp. */ + struct rte_mempool *mp; /**< Target memory pool (mempool). */ }; -struct rte_flow; - +/** Private data structure. */ struct priv { - struct rte_eth_dev *dev; /* Ethernet device. */ - struct ibv_context *ctx; /* Verbs context. */ - struct ibv_device_attr device_attr; /* Device properties. */ - struct ibv_pd *pd; /* Protection Domain. */ - struct ether_addr mac; /* MAC address. */ - struct ibv_flow *mac_flow; /* Flow associated with MAC address. */ + struct rte_eth_dev *dev; /**< Ethernet device. */ + struct ibv_context *ctx; /**< Verbs context. */ + struct ibv_device_attr device_attr; /**< Device properties. */ + struct ibv_pd *pd; /**< Protection Domain. */ /* Device properties. */ - uint16_t mtu; /* Configured MTU. */ - uint8_t port; /* Physical port number. */ - unsigned int started:1; /* Device started, flows enabled. */ - unsigned int vf:1; /* This is a VF device. */ - unsigned int pending_alarm:1; /* An alarm is pending. */ - unsigned int isolated:1; /* Toggle isolated mode. */ - /* RX/TX queues. */ - unsigned int rxqs_n; /* RX queues array size. */ - unsigned int txqs_n; /* TX queues array size. */ - struct rxq *(*rxqs)[]; /* RX queues. */ - struct txq *(*txqs)[]; /* TX queues. */ - struct rte_intr_handle intr_handle; /* Port interrupt handle. */ - struct rte_flow_drop *flow_drop_queue; /* Flow drop queue. */ - LIST_HEAD(mlx4_flows, rte_flow) flows; - struct rte_intr_conf intr_conf; /* Active interrupt configuration. */ + uint16_t mtu; /**< Configured MTU. */ + uint8_t port; /**< Physical port number. */ + uint32_t started:1; /**< Device started, flows enabled. */ + uint32_t vf:1; /**< This is a VF device. */ + uint32_t intr_alarm:1; /**< An interrupt alarm is scheduled. */ + uint32_t isolated:1; /**< Toggle isolated mode. */ + 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. */ + 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. */ + LIST_HEAD(, mlx4_rss) rss; /**< Shared targets for Rx flow rules. */ + LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */ + LIST_HEAD(, mlx4_mr) mr; /**< Registered memory regions. */ + rte_spinlock_t mr_lock; /**< Lock for @p mr access. */ + struct ether_addr mac[MLX4_MAX_MAC_ADDRESSES]; + /**< Configured MAC addresses. Unused entries are zeroed. */ }; +/* 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_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); +void mlx4_promiscuous_enable(struct rte_eth_dev *dev); +void mlx4_promiscuous_disable(struct rte_eth_dev *dev); +void mlx4_allmulticast_enable(struct rte_eth_dev *dev); +void mlx4_allmulticast_disable(struct rte_eth_dev *dev); +void mlx4_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index); +int mlx4_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr, + uint32_t index, uint32_t vmdq); +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); +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); +int mlx4_flow_ctrl_get(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf); +int mlx4_flow_ctrl_set(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf); +const uint32_t *mlx4_dev_supported_ptypes_get(struct rte_eth_dev *dev); +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_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx); +int mlx4_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx); + +/* mlx4_mr.c */ + +struct mlx4_mr *mlx4_mr_get(struct priv *priv, struct rte_mempool *mp); +void mlx4_mr_put(struct mlx4_mr *mr); +uint32_t mlx4_txq_add_mr(struct txq *txq, struct rte_mempool *mp, + uint32_t i); + #endif /* RTE_PMD_MLX4_H_ */