#ifndef RTE_PMD_MLX4_H_
#define RTE_PMD_MLX4_H_
+#include <net/if.h>
#include <stdint.h>
-/*
- * Runtime logging through RTE_LOG() is enabled when not in debugging mode.
- * Intermediate LOG_*() macros add the required end-of-line characters.
- */
-#ifndef NDEBUG
-#define INFO(...) DEBUG(__VA_ARGS__)
-#define WARN(...) DEBUG(__VA_ARGS__)
-#define ERROR(...) DEBUG(__VA_ARGS__)
-#else
-#define LOG__(level, m, ...) \
- RTE_LOG(level, PMD, MLX4_DRIVER_NAME ": " m "%c", __VA_ARGS__)
-#define LOG_(level, ...) LOG__(level, __VA_ARGS__, '\n')
-#define INFO(...) LOG_(INFO, __VA_ARGS__)
-#define WARN(...) LOG_(WARNING, __VA_ARGS__)
-#define ERROR(...) LOG_(ERR, __VA_ARGS__)
-#endif
-
-/* 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
#pragma GCC diagnostic error "-Wpedantic"
#endif
+#include <rte_ethdev.h>
+#include <rte_ether.h>
+#include <rte_interrupts.h>
+#include <rte_mempool.h>
+
/* Request send completion once in every 64 sends, might be less. */
#define MLX4_PMD_TX_PER_COMP_REQ 64
#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. */
#define MLX4_PMD_PORT_KVARG "port"
#define MLX4_DRIVER_NAME "net_mlx4"
-/* Number of elements in array. */
-#define elemof(a) (sizeof(a) / sizeof((a)[0]))
-
-/* Debugging */
-#ifndef NDEBUG
-#include <stdio.h>
-#define DEBUG__(m, ...) \
- (fprintf(stderr, "%s:%d: %s(): " m "%c", \
- __FILE__, __LINE__, __func__, __VA_ARGS__), \
- fflush(stderr), \
- (void)0)
-/*
- * Save/restore errno around DEBUG__().
- * XXX somewhat undefined behavior, but works.
- */
-#define DEBUG_(...) \
- (errno = ((int []){ \
- *(volatile int *)&errno, \
- (DEBUG__(__VA_ARGS__), 0) \
- })[0])
-#define DEBUG(...) DEBUG_(__VA_ARGS__, '\n')
-#ifndef MLX4_PMD_DEBUG_BROKEN_VERBS
-#define claim_zero(...) assert((__VA_ARGS__) == 0)
-#else /* MLX4_PMD_DEBUG_BROKEN_VERBS */
-#define claim_zero(...) \
- (void)(((__VA_ARGS__) == 0) || \
- DEBUG("Assertion `(" # __VA_ARGS__ ") == 0' failed (IGNORED)."))
-#endif /* MLX4_PMD_DEBUG_BROKEN_VERBS */
-#define claim_nonzero(...) assert((__VA_ARGS__) != 0)
-#define claim_positive(...) assert((__VA_ARGS__) >= 0)
-#else /* NDEBUG */
-/* No-ops. */
-#define DEBUG(...) (void)0
-#define claim_zero(...) (__VA_ARGS__)
-#define claim_nonzero(...) (__VA_ARGS__)
-#define claim_positive(...) (__VA_ARGS__)
-#endif /* NDEBUG */
-
-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. */
- /* mbuf pointer is derived from WR_ID(wr.wr_id).offset. */
-};
-
-/* 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_exp_qp_burst_family *if_qp; /* QP burst interface. */
- struct ibv_exp_cq_family *if_cq; /* CQ interface. */
- 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. */
-};
-
-/* 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. */
-};
-
+struct rxq;
+struct txq;
struct rte_flow;
struct priv {
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 intr_alarm:1; /* An interrupt alarm is scheduled. */
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_dev; /* Device interrupt handler. */
- struct rte_intr_handle intr_handle; /* Interrupt handler. */
+ 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. */
- rte_spinlock_t lock; /* Lock for control functions. */
};
-void priv_lock(struct priv *priv);
-void priv_unlock(struct priv *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_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);
+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);
+
+/* mlx4_intr.c */
+
+int mlx4_intr_uninstall(struct priv *priv);
+int mlx4_intr_install(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 ibv_mr *mlx4_mp2mr(struct ibv_pd *pd, struct rte_mempool *mp);
#endif /* RTE_PMD_MLX4_H_ */
git.droids-corp.org / dpdk.git / blobdiff