From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from proxy.6wind.com (host.76.145.23.62.rev.coltfrance.com [62.23.145.76]) by dpdk.org (Postfix) with ESMTP id B09C91B040; Fri, 19 Jan 2018 17:25:44 +0100 (CET) Received: from glumotte.dev.6wind.com. (unknown [10.16.0.195]) by proxy.6wind.com (Postfix) with ESMTP id 445381245F1; Fri, 19 Jan 2018 17:24:08 +0100 (CET) From: Olivier Matz To: dev@dpdk.org, Adrien Mazarguil , Nelio Laranjeiro , Yongseok Koh Cc: stable@dpdk.org Date: Fri, 19 Jan 2018 17:25:17 +0100 Message-Id: <20180119162517.4451-2-olivier.matz@6wind.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180119162517.4451-1-olivier.matz@6wind.com> References: <20180118130043.31773-1-olivier.matz@6wind.com> <20180119162517.4451-1-olivier.matz@6wind.com> Subject: [dpdk-stable] [PATCH v2 2/2] net/mlx5: fix allocation when no memory on device NUMA node X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jan 2018 16:25:45 -0000 If there is no memory available on the same numa node than the device, it is preferable to fallback on another socket instead of failing. Fixes: 1e3a39f72d5d ("net/mlx5: allocate verbs object into shared memory") Cc: stable@dpdk.org Signed-off-by: Olivier Matz Signed-off-by: Nelio Laranjeiro --- This new version of the patch was provided by Nelio (thanks), I validated it on my platform. I just did minimal changes to fix the checkpatch issues in the comments of mlx5.h (/** instead of /*). drivers/net/mlx5/mlx5.c | 14 ++++++++++++-- drivers/net/mlx5/mlx5.h | 20 ++++++++++++++++++++ drivers/net/mlx5/mlx5_rxq.c | 4 ++++ drivers/net/mlx5/mlx5_txq.c | 4 ++++ 4 files changed, 40 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 1c95f3520..7a04ccf98 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -139,10 +139,20 @@ mlx5_alloc_verbs_buf(size_t size, void *data) struct priv *priv = data; void *ret; size_t alignment = sysconf(_SC_PAGESIZE); + unsigned int socket = SOCKET_ID_ANY; + if (priv->verbs_alloc_ctx.type == MLX5_VERSB_ALLOC_TYPE_TX_QUEUE) { + const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj; + + socket = ctrl->socket; + } else if (priv->verbs_alloc_ctx.type == + MLX5_VERSB_ALLOC_TYPE_RX_QUEUE) { + const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj; + + socket = ctrl->socket; + } assert(data != NULL); - ret = rte_malloc_socket(__func__, size, alignment, - priv->dev->device->numa_node); + ret = rte_malloc_socket(__func__, size, alignment, socket); DEBUG("Extern alloc size: %lu, align: %lu: %p", size, alignment, ret); return ret; } diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index e740a4e77..abcae95b8 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -123,6 +123,24 @@ struct mlx5_dev_config { int inline_max_packet_sz; /* Max packet size for inlining. */ }; +/** + * Type of objet being allocated. + */ +enum mlx5_verbs_alloc_type { + MLX5_VERSB_ALLOC_TYPE_NONE, + MLX5_VERSB_ALLOC_TYPE_TX_QUEUE, + MLX5_VERSB_ALLOC_TYPE_RX_QUEUE, +}; + +/** + * Verbs allocator needs a context to know in the callback which kind of + * resources it is allocating. + */ +struct mlx5_verbs_alloc_ctx { + enum mlx5_verbs_alloc_type type; /* Kind of object being allocated. */ + const void *obj; /* Pointer to the DPDK object. */ +}; + struct priv { struct rte_eth_dev *dev; /* Ethernet device of master process. */ struct ibv_context *ctx; /* Verbs context. */ @@ -164,6 +182,8 @@ struct priv { int primary_socket; /* Unix socket for primary process. */ struct rte_intr_handle intr_handle_socket; /* Interrupt handler. */ struct mlx5_dev_config config; /* Device configuration. */ + struct mlx5_verbs_alloc_ctx verbs_alloc_ctx; + /* Context for Verbs allocator. */ }; /** diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c index 950472754..a43a67526 100644 --- a/drivers/net/mlx5/mlx5_rxq.c +++ b/drivers/net/mlx5/mlx5_rxq.c @@ -655,6 +655,8 @@ mlx5_priv_rxq_ibv_new(struct priv *priv, uint16_t idx) assert(rxq_data); assert(!rxq_ctrl->ibv); + priv->verbs_alloc_ctx.type = MLX5_VERSB_ALLOC_TYPE_RX_QUEUE; + priv->verbs_alloc_ctx.obj = rxq_ctrl; tmpl = rte_calloc_socket(__func__, 1, sizeof(*tmpl), 0, rxq_ctrl->socket); if (!tmpl) { @@ -818,6 +820,7 @@ mlx5_priv_rxq_ibv_new(struct priv *priv, uint16_t idx) DEBUG("%p: Verbs Rx queue %p: refcnt %d", (void *)priv, (void *)tmpl, rte_atomic32_read(&tmpl->refcnt)); LIST_INSERT_HEAD(&priv->rxqsibv, tmpl, next); + priv->verbs_alloc_ctx.type = MLX5_VERSB_ALLOC_TYPE_NONE; return tmpl; error: if (tmpl->wq) @@ -828,6 +831,7 @@ mlx5_priv_rxq_ibv_new(struct priv *priv, uint16_t idx) claim_zero(ibv_destroy_comp_channel(tmpl->channel)); if (tmpl->mr) priv_mr_release(priv, tmpl->mr); + priv->verbs_alloc_ctx.type = MLX5_VERSB_ALLOC_TYPE_NONE; return NULL; } diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c index 26db15a4f..b43cc9ed0 100644 --- a/drivers/net/mlx5/mlx5_txq.c +++ b/drivers/net/mlx5/mlx5_txq.c @@ -396,6 +396,8 @@ mlx5_priv_txq_ibv_new(struct priv *priv, uint16_t idx) int ret = 0; assert(txq_data); + priv->verbs_alloc_ctx.type = MLX5_VERSB_ALLOC_TYPE_TX_QUEUE; + priv->verbs_alloc_ctx.obj = txq_ctrl; if (mlx5_getenv_int("MLX5_ENABLE_CQE_COMPRESSION")) { ERROR("MLX5_ENABLE_CQE_COMPRESSION must never be set"); goto error; @@ -526,12 +528,14 @@ mlx5_priv_txq_ibv_new(struct priv *priv, uint16_t idx) DEBUG("%p: Verbs Tx queue %p: refcnt %d", (void *)priv, (void *)txq_ibv, rte_atomic32_read(&txq_ibv->refcnt)); LIST_INSERT_HEAD(&priv->txqsibv, txq_ibv, next); + priv->verbs_alloc_ctx.type = MLX5_VERSB_ALLOC_TYPE_NONE; return txq_ibv; error: if (tmpl.cq) claim_zero(ibv_destroy_cq(tmpl.cq)); if (tmpl.qp) claim_zero(ibv_destroy_qp(tmpl.qp)); + priv->verbs_alloc_ctx.type = MLX5_VERSB_ALLOC_TYPE_NONE; return NULL; } -- 2.11.0