From: Olivier Matz Date: Fri, 17 Feb 2017 15:25:33 +0000 (+0100) Subject: ethdev: move a queue id check to generic layer X-Git-Tag: spdx-start~4430 X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=0ef850c4f6a506370cc448a7631f4de966a2f991 ethdev: move a queue id check to generic layer The check of queue_id is done in all drivers implementing rte_eth_rx_queue_count(). Factorize this check in the generic function. Note that the nfp driver was doing the check differently, which could induce crashes if the queue index was too big. Signed-off-by: Olivier Matz --- diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c index d099d6a200..a265cb41c9 100644 --- a/drivers/net/e1000/em_rxtx.c +++ b/drivers/net/e1000/em_rxtx.c @@ -1436,11 +1436,6 @@ eth_em_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) struct em_rx_queue *rxq; uint32_t desc = 0; - if (rx_queue_id >= dev->data->nb_rx_queues) { - PMD_RX_LOG(DEBUG, "Invalid RX queue_id=%d", rx_queue_id); - return 0; - } - rxq = dev->data->rx_queues[rx_queue_id]; rxdp = &(rxq->rx_ring[rxq->rx_tail]); diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c index c9cf3924f0..1bb4d85119 100644 --- a/drivers/net/e1000/igb_rxtx.c +++ b/drivers/net/e1000/igb_rxtx.c @@ -1569,11 +1569,6 @@ eth_igb_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) struct igb_rx_queue *rxq; uint32_t desc = 0; - if (rx_queue_id >= dev->data->nb_rx_queues) { - PMD_RX_LOG(ERR, "Invalid RX queue id=%d", rx_queue_id); - return 0; - } - rxq = dev->data->rx_queues[rx_queue_id]; rxdp = &(rxq->rx_ring[rxq->rx_tail]); diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c index bffa870079..2c2e29e978 100644 --- a/drivers/net/enic/enic_ethdev.c +++ b/drivers/net/enic/enic_ethdev.c @@ -272,11 +272,6 @@ static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t cq_idx; int rq_num; - if (rx_queue_id >= dev->data->nb_rx_queues) { - dev_err(enic, "Invalid RX queue id=%d", rx_queue_id); - return 0; - } - rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id); cq = &enic->cq[enic_cq_rq(enic, rq_num)]; cq_idx = cq->to_clean; diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index 48429cc7c9..ec64a20eb0 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -1876,11 +1876,6 @@ i40e_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) struct i40e_rx_queue *rxq; uint16_t desc = 0; - if (unlikely(rx_queue_id >= dev->data->nb_rx_queues)) { - PMD_DRV_LOG(ERR, "Invalid RX queue id %u", rx_queue_id); - return 0; - } - rxq = dev->data->rx_queues[rx_queue_id]; rxdp = &(rxq->rx_ring[rxq->rx_tail]); while ((desc < rxq->nb_rx_desc) && diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 950243237e..8a8da65155 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -2911,11 +2911,6 @@ ixgbe_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) struct ixgbe_rx_queue *rxq; uint32_t desc = 0; - if (rx_queue_id >= dev->data->nb_rx_queues) { - PMD_RX_LOG(ERR, "Invalid RX queue id=%d", rx_queue_id); - return 0; - } - rxq = dev->data->rx_queues[rx_queue_id]; rxdp = &(rxq->rx_ring[rxq->rx_tail]); diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c index d79f2623de..f8ed976202 100644 --- a/drivers/net/nfp/nfp_net.c +++ b/drivers/net/nfp/nfp_net.c @@ -1184,11 +1184,6 @@ nfp_net_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx) rxq = (struct nfp_net_rxq *)dev->data->rx_queues[queue_idx]; - if (rxq == NULL) { - PMD_INIT_LOG(ERR, "Bad queue: %u", queue_idx); - return 0; - } - idx = rxq->rd_p; count = 0; diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 6ef614d805..4be217cc95 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -2732,16 +2732,19 @@ rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id, * The queue id on the specific port. * @return * The number of used descriptors in the specific queue, or: - * (-EINVAL) if *port_id* is invalid + * (-EINVAL) if *port_id* or *queue_id* is invalid * (-ENOTSUP) if the device does not support this function */ static inline int rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id) { - struct rte_eth_dev *dev = &rte_eth_devices[port_id]; + struct rte_eth_dev *dev; RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL); + dev = &rte_eth_devices[port_id]; RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_count, -ENOTSUP); + if (queue_id >= dev->data->nb_rx_queues) + return -EINVAL; return (*dev->dev_ops->rx_queue_count)(dev, queue_id); }