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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-rdma@vger.kernel.org (open list:MELLANOX MLX4 core VPI driver) Subject: [PATCH net-next v2 2/3] net/mlx4: link NAPI instances to queues and IRQs Date: Fri, 26 Apr 2024 18:33:54 +0000 Message-Id: <20240426183355.500364-3-jdamato@fastly.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240426183355.500364-1-jdamato@fastly.com> References: <20240426183355.500364-1-jdamato@fastly.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Make mlx4 compatible with the newly added netlink queue GET APIs. Signed-off-by: Joe Damato Tested-by: Martin Karsten --- drivers/net/ethernet/mellanox/mlx4/en_cq.c | 14 ++++++++++++++ drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 1184ac5751e1..461cc2c79c71 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -126,6 +126,7 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, cq_idx = cq_idx % priv->rx_ring_num; rx_cq = priv->rx_cq[cq_idx]; cq->vector = rx_cq->vector; + irq = mlx4_eq_get_irq(mdev->dev, cq->vector); } if (cq->type == RX) @@ -142,18 +143,23 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, if (err) goto free_eq; + cq->cq_idx = cq_idx; cq->mcq.event = mlx4_en_cq_event; switch (cq->type) { case TX: cq->mcq.comp = mlx4_en_tx_irq; netif_napi_add_tx(cq->dev, &cq->napi, mlx4_en_poll_tx_cq); + netif_napi_set_irq(&cq->napi, irq); napi_enable(&cq->napi); + netif_queue_set_napi(cq->dev, cq_idx, NETDEV_QUEUE_TYPE_TX, &cq->napi); break; case RX: cq->mcq.comp = mlx4_en_rx_irq; netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq); + netif_napi_set_irq(&cq->napi, irq); napi_enable(&cq->napi); + netif_queue_set_napi(cq->dev, cq_idx, NETDEV_QUEUE_TYPE_RX, &cq->napi); break; case TX_XDP: /* nothing regarding napi, it's shared with rx ring */ @@ -189,6 +195,14 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq) void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq) { if (cq->type != TX_XDP) { + enum netdev_queue_type qtype; + + if (cq->type == RX) + qtype = NETDEV_QUEUE_TYPE_RX; + else + qtype = NETDEV_QUEUE_TYPE_TX; + + netif_queue_set_napi(cq->dev, cq->cq_idx, qtype, NULL); napi_disable(&cq->napi); netif_napi_del(&cq->napi); } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index efe3f97b874f..896f985549a4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -379,6 +379,7 @@ struct mlx4_en_cq { #define MLX4_EN_OPCODE_ERROR 0x1e const struct cpumask *aff_mask; + int cq_idx; }; struct mlx4_en_port_profile { -- 2.25.1