X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fmlx5%2Fmlx5_txpp.c;h=fe74317fe81c33d1cef022c344f1bdb7ff2d875d;hb=7158e46cb94be6f6071ccdabfc1fa48256955906;hp=9960cc44e7e2cd48c95f8760ab9e6d9958c276e7;hpb=fe46b20c96593ff9644097978b347286c6a4b71a;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_txpp.c b/drivers/net/mlx5/mlx5_txpp.c index 9960cc44e7..fe74317fe8 100644 --- a/drivers/net/mlx5/mlx5_txpp.c +++ b/drivers/net/mlx5/mlx5_txpp.c @@ -164,21 +164,14 @@ mlx5_txpp_doorbell_rearm_queue(struct mlx5_dev_ctx_shared *sh, uint16_t ci) uint32_t w32[2]; uint64_t w64; } cs; - void *reg_addr; wq->sq_ci = ci + 1; cs.w32[0] = rte_cpu_to_be_32(rte_be_to_cpu_32 (wqe[ci & (wq->sq_size - 1)].ctrl[0]) | (ci - 1) << 8); cs.w32[1] = wqe[ci & (wq->sq_size - 1)].ctrl[1]; /* Update SQ doorbell record with new SQ ci. */ - rte_compiler_barrier(); - *wq->sq_obj.db_rec = rte_cpu_to_be_32(wq->sq_ci); - /* Make sure the doorbell record is updated. */ - rte_wmb(); - /* Write to doorbel register to start processing. */ - reg_addr = mlx5_os_get_devx_uar_reg_addr(sh->tx_uar); - __mlx5_uar_write64_relaxed(cs.w64, reg_addr, NULL); - rte_wmb(); + mlx5_doorbell_ring(&sh->tx_uar.bf_db, cs.w64, wq->sq_ci, + wq->sq_obj.db_rec, !sh->tx_uar.dbnc); } static void @@ -230,17 +223,18 @@ mlx5_txpp_create_rearm_queue(struct mlx5_dev_ctx_shared *sh) .cd_master = 1, .state = MLX5_SQC_STATE_RST, .tis_lst_sz = 1, - .tis_num = sh->tis->id, + .tis_num = sh->tis[0]->id, .wq_attr = (struct mlx5_devx_wq_attr){ .pd = sh->cdev->pdn, - .uar_page = mlx5_os_get_devx_uar_page_id(sh->tx_uar), + .uar_page = + mlx5_os_get_devx_uar_page_id(sh->tx_uar.obj), }, .ts_format = mlx5_ts_format_conv (sh->cdev->config.hca_attr.sq_ts_format), }; struct mlx5_devx_modify_sq_attr msq_attr = { 0 }; struct mlx5_devx_cq_attr cq_attr = { - .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar), + .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar.obj), }; struct mlx5_txpp_wq *wq = &sh->txpp.rearm_queue; int ret; @@ -394,7 +388,7 @@ mlx5_txpp_create_clock_queue(struct mlx5_dev_ctx_shared *sh) struct mlx5_devx_cq_attr cq_attr = { .use_first_only = 1, .overrun_ignore = 1, - .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar), + .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar.obj), }; struct mlx5_txpp_wq *wq = &sh->txpp.clock_queue; int ret; @@ -434,7 +428,7 @@ mlx5_txpp_create_clock_queue(struct mlx5_dev_ctx_shared *sh) /* Create send queue object for Clock Queue. */ if (sh->txpp.test) { sq_attr.tis_lst_sz = 1; - sq_attr.tis_num = sh->tis->id; + sq_attr.tis_num = sh->tis[0]->id; sq_attr.non_wire = 0; sq_attr.static_sq_wq = 1; } else { @@ -444,7 +438,7 @@ mlx5_txpp_create_clock_queue(struct mlx5_dev_ctx_shared *sh) sq_attr.cqn = wq->cq_obj.cq->id; sq_attr.packet_pacing_rate_limit_index = sh->txpp.pp_id; sq_attr.wq_attr.cd_slave = 1; - sq_attr.wq_attr.uar_page = mlx5_os_get_devx_uar_page_id(sh->tx_uar); + sq_attr.wq_attr.uar_page = mlx5_os_get_devx_uar_page_id(sh->tx_uar.obj); sq_attr.wq_attr.pd = sh->cdev->pdn; sq_attr.ts_format = mlx5_ts_format_conv(sh->cdev->config.hca_attr.sq_ts_format); @@ -479,26 +473,14 @@ error: static inline void mlx5_txpp_cq_arm(struct mlx5_dev_ctx_shared *sh) { - void *base_addr; - struct mlx5_txpp_wq *aq = &sh->txpp.rearm_queue; uint32_t arm_sn = aq->arm_sn << MLX5_CQ_SQN_OFFSET; uint32_t db_hi = arm_sn | MLX5_CQ_DBR_CMD_ALL | aq->cq_ci; uint64_t db_be = rte_cpu_to_be_64(((uint64_t)db_hi << 32) | aq->cq_obj.cq->id); - base_addr = mlx5_os_get_devx_uar_base_addr(sh->tx_uar); - uint32_t *addr = RTE_PTR_ADD(base_addr, MLX5_CQ_DOORBELL); - rte_compiler_barrier(); - aq->cq_obj.db_rec[MLX5_CQ_ARM_DB] = rte_cpu_to_be_32(db_hi); - rte_wmb(); -#ifdef RTE_ARCH_64 - *(uint64_t *)addr = db_be; -#else - *(uint32_t *)addr = db_be; - rte_io_wmb(); - *((uint32_t *)addr + 1) = db_be >> 32; -#endif + mlx5_doorbell_ring(&sh->tx_uar.cq_db, db_be, db_hi, + &aq->cq_obj.db_rec[MLX5_CQ_ARM_DB], 0); aq->arm_sn++; } @@ -759,11 +741,11 @@ mlx5_txpp_interrupt_handler(void *cb_arg) static void mlx5_txpp_stop_service(struct mlx5_dev_ctx_shared *sh) { - if (!sh->txpp.intr_handle.fd) + if (!rte_intr_fd_get(sh->txpp.intr_handle)) return; - mlx5_intr_callback_unregister(&sh->txpp.intr_handle, + mlx5_intr_callback_unregister(sh->txpp.intr_handle, mlx5_txpp_interrupt_handler, sh); - sh->txpp.intr_handle.fd = 0; + rte_intr_instance_free(sh->txpp.intr_handle); } /* Attach interrupt handler and fires first request to Rearm Queue. */ @@ -787,13 +769,22 @@ mlx5_txpp_start_service(struct mlx5_dev_ctx_shared *sh) rte_errno = errno; return -rte_errno; } - memset(&sh->txpp.intr_handle, 0, sizeof(sh->txpp.intr_handle)); + sh->txpp.intr_handle = + rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED); + if (sh->txpp.intr_handle == NULL) { + DRV_LOG(ERR, "Fail to allocate intr_handle"); + return -ENOMEM; + } fd = mlx5_os_get_devx_channel_fd(sh->txpp.echan); - sh->txpp.intr_handle.fd = fd; - sh->txpp.intr_handle.type = RTE_INTR_HANDLE_EXT; - if (rte_intr_callback_register(&sh->txpp.intr_handle, + if (rte_intr_fd_set(sh->txpp.intr_handle, fd)) + return -rte_errno; + + if (rte_intr_type_set(sh->txpp.intr_handle, RTE_INTR_HANDLE_EXT)) + return -rte_errno; + + if (rte_intr_callback_register(sh->txpp.intr_handle, mlx5_txpp_interrupt_handler, sh)) { - sh->txpp.intr_handle.fd = 0; + rte_intr_fd_set(sh->txpp.intr_handle, 0); DRV_LOG(ERR, "Failed to register CQE interrupt %d.", rte_errno); return -rte_errno; } @@ -825,16 +816,16 @@ mlx5_txpp_start_service(struct mlx5_dev_ctx_shared *sh) * Returns 0 on success, negative otherwise */ static int -mlx5_txpp_create(struct mlx5_dev_ctx_shared *sh, struct mlx5_priv *priv) +mlx5_txpp_create(struct mlx5_dev_ctx_shared *sh) { - int tx_pp = priv->config.tx_pp; + int tx_pp = sh->config.tx_pp; int ret; /* Store the requested pacing parameters. */ sh->txpp.tick = tx_pp >= 0 ? tx_pp : -tx_pp; sh->txpp.test = !!(tx_pp < 0); - sh->txpp.skew = priv->config.tx_skew; - sh->txpp.freq = priv->config.hca_attr.dev_freq_khz; + sh->txpp.skew = sh->config.tx_skew; + sh->txpp.freq = sh->cdev->config.hca_attr.dev_freq_khz; ret = mlx5_txpp_create_event_channel(sh); if (ret) goto exit; @@ -899,9 +890,8 @@ mlx5_txpp_start(struct rte_eth_dev *dev) struct mlx5_priv *priv = dev->data->dev_private; struct mlx5_dev_ctx_shared *sh = priv->sh; int err = 0; - int ret; - if (!priv->config.tx_pp) { + if (!sh->config.tx_pp) { /* Packet pacing is not requested for the device. */ MLX5_ASSERT(priv->txpp_en == 0); return 0; @@ -911,20 +901,20 @@ mlx5_txpp_start(struct rte_eth_dev *dev) MLX5_ASSERT(sh->txpp.refcnt); return 0; } - if (priv->config.tx_pp > 0) { - ret = rte_mbuf_dynflag_lookup - (RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, NULL); - if (ret < 0) + if (sh->config.tx_pp > 0) { + err = rte_mbuf_dynflag_lookup + (RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, NULL); + /* No flag registered means no service needed. */ + if (err < 0) return 0; + err = 0; } - ret = pthread_mutex_lock(&sh->txpp.mutex); - MLX5_ASSERT(!ret); - RTE_SET_USED(ret); + claim_zero(pthread_mutex_lock(&sh->txpp.mutex)); if (sh->txpp.refcnt) { priv->txpp_en = 1; ++sh->txpp.refcnt; } else { - err = mlx5_txpp_create(sh, priv); + err = mlx5_txpp_create(sh); if (!err) { MLX5_ASSERT(sh->txpp.tick); priv->txpp_en = 1; @@ -933,9 +923,7 @@ mlx5_txpp_start(struct rte_eth_dev *dev) rte_errno = -err; } } - ret = pthread_mutex_unlock(&sh->txpp.mutex); - MLX5_ASSERT(!ret); - RTE_SET_USED(ret); + claim_zero(pthread_mutex_unlock(&sh->txpp.mutex)); return err; } @@ -953,24 +941,21 @@ mlx5_txpp_stop(struct rte_eth_dev *dev) { struct mlx5_priv *priv = dev->data->dev_private; struct mlx5_dev_ctx_shared *sh = priv->sh; - int ret; if (!priv->txpp_en) { /* Packet pacing is already disabled for the device. */ return; } priv->txpp_en = 0; - ret = pthread_mutex_lock(&sh->txpp.mutex); - MLX5_ASSERT(!ret); - RTE_SET_USED(ret); + claim_zero(pthread_mutex_lock(&sh->txpp.mutex)); MLX5_ASSERT(sh->txpp.refcnt); - if (!sh->txpp.refcnt || --sh->txpp.refcnt) + if (!sh->txpp.refcnt || --sh->txpp.refcnt) { + claim_zero(pthread_mutex_unlock(&sh->txpp.mutex)); return; + } /* No references any more, do actual destroy. */ mlx5_txpp_destroy(sh); - ret = pthread_mutex_unlock(&sh->txpp.mutex); - MLX5_ASSERT(!ret); - RTE_SET_USED(ret); + claim_zero(pthread_mutex_unlock(&sh->txpp.mutex)); } /*