From: Intiyaz Basha Date: Sat, 24 Mar 2018 00:37:28 +0000 (-0700) Subject: liquidio: Removed netif_is_multiqueue check X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2a2fabaf35fca27b35eaf16331b2c1a1377c0516;p=openwrt%2Fstaging%2Fblogic.git liquidio: Removed netif_is_multiqueue check Removing checks for netif_is_multiqueue. Configuring single queue will be a multiqueue netdev with one queues. Signed-off-by: Intiyaz Basha Acked-by: Derek Chickles Signed-off-by: Felix Manlunas Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c index 666cf7e9cd09..73e70e076e61 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -377,20 +377,12 @@ static void lio_update_txq_status(struct octeon_device *oct, int iq_num) return; lio = GET_LIO(netdev); - if (netif_is_multiqueue(netdev)) { - if (__netif_subqueue_stopped(netdev, iq->q_index) && - lio->linfo.link.s.link_up && - (!octnet_iq_is_full(oct, iq_num))) { - netif_wake_subqueue(netdev, iq->q_index); - INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num, - tx_restart, 1); - } - } else if (netif_queue_stopped(netdev) && - lio->linfo.link.s.link_up && - (!octnet_iq_is_full(oct, lio->txq))) { - INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq, + if (__netif_subqueue_stopped(netdev, iq->q_index) && + lio->linfo.link.s.link_up && + (!octnet_iq_is_full(oct, iq_num))) { + netif_wake_subqueue(netdev, iq->q_index); + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq_num, tx_restart, 1); - netif_wake_queue(netdev); } } diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 424795a3a6d1..28575ed4652e 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -520,10 +520,7 @@ static void liquidio_deinit_pci(void) */ static inline void wake_q(struct net_device *netdev, int q) { - if (netif_is_multiqueue(netdev)) - netif_wake_subqueue(netdev, q); - else - netif_wake_queue(netdev); + netif_wake_subqueue(netdev, q); } /** @@ -533,10 +530,7 @@ static inline void wake_q(struct net_device *netdev, int q) */ static inline void stop_q(struct net_device *netdev, int q) { - if (netif_is_multiqueue(netdev)) - netif_stop_subqueue(netdev, q); - else - netif_stop_queue(netdev); + netif_stop_subqueue(netdev, q); } /** @@ -546,33 +540,24 @@ static inline void stop_q(struct net_device *netdev, int q) */ static inline int check_txq_status(struct lio *lio) { + int numqs = lio->netdev->num_tx_queues; int ret_val = 0; + int q, iq; - if (netif_is_multiqueue(lio->netdev)) { - int numqs = lio->netdev->num_tx_queues; - int q, iq = 0; - - /* check each sub-queue state */ - for (q = 0; q < numqs; q++) { - iq = lio->linfo.txpciq[q % - lio->oct_dev->num_iqs].s.q_no; - if (octnet_iq_is_full(lio->oct_dev, iq)) - continue; - if (__netif_subqueue_stopped(lio->netdev, q)) { - wake_q(lio->netdev, q); - INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, - tx_restart, 1); - ret_val++; - } + /* check each sub-queue state */ + for (q = 0; q < numqs; q++) { + iq = lio->linfo.txpciq[q % + lio->oct_dev->num_iqs].s.q_no; + if (octnet_iq_is_full(lio->oct_dev, iq)) + continue; + if (__netif_subqueue_stopped(lio->netdev, q)) { + wake_q(lio->netdev, q); + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, iq, + tx_restart, 1); + ret_val++; } - } else { - if (octnet_iq_is_full(lio->oct_dev, lio->txq)) - return 0; - wake_q(lio->netdev, lio->txq); - INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq, - tx_restart, 1); - ret_val = 1; } + return ret_val; } @@ -1676,15 +1661,10 @@ static int octeon_pci_os_setup(struct octeon_device *oct) */ static inline int check_txq_state(struct lio *lio, struct sk_buff *skb) { - int q = 0, iq = 0; + int q, iq; - if (netif_is_multiqueue(lio->netdev)) { - q = skb->queue_mapping; - iq = lio->linfo.txpciq[(q % lio->oct_dev->num_iqs)].s.q_no; - } else { - iq = lio->txq; - q = iq; - } + q = skb->queue_mapping; + iq = lio->linfo.txpciq[(q % lio->oct_dev->num_iqs)].s.q_no; if (octnet_iq_is_full(lio->oct_dev, iq)) return 0; @@ -2573,14 +2553,10 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) lio = GET_LIO(netdev); oct = lio->oct_dev; - if (netif_is_multiqueue(netdev)) { - q_idx = skb->queue_mapping; - q_idx = (q_idx % (lio->linfo.num_txpciq)); - tag = q_idx; - iq_no = lio->linfo.txpciq[q_idx].s.q_no; - } else { - iq_no = lio->txq; - } + q_idx = skb->queue_mapping; + q_idx = (q_idx % (lio->linfo.num_txpciq)); + tag = q_idx; + iq_no = lio->linfo.txpciq[q_idx].s.q_no; stats = &oct->instr_queue[iq_no]->stats; @@ -2611,23 +2587,14 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) ndata.q_no = iq_no; - if (netif_is_multiqueue(netdev)) { - if (octnet_iq_is_full(oct, ndata.q_no)) { - /* defer sending if queue is full */ - netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", - ndata.q_no); - stats->tx_iq_busy++; - return NETDEV_TX_BUSY; - } - } else { - if (octnet_iq_is_full(oct, lio->txq)) { - /* defer sending if queue is full */ - stats->tx_iq_busy++; - netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", - lio->txq); - return NETDEV_TX_BUSY; - } + if (octnet_iq_is_full(oct, ndata.q_no)) { + /* defer sending if queue is full */ + netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", + ndata.q_no); + stats->tx_iq_busy++; + return NETDEV_TX_BUSY; } + /* pr_info(" XMIT - valid Qs: %d, 1st Q no: %d, cpu: %d, q_no:%d\n", * lio->linfo.num_txpciq, lio->txq, cpu, ndata.q_no); */ diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 57b6ee578210..f46289de1322 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -291,10 +291,7 @@ static struct pci_driver liquidio_vf_pci_driver = { */ static void wake_q(struct net_device *netdev, int q) { - if (netif_is_multiqueue(netdev)) - netif_wake_subqueue(netdev, q); - else - netif_wake_queue(netdev); + netif_wake_subqueue(netdev, q); } /** @@ -304,10 +301,7 @@ static void wake_q(struct net_device *netdev, int q) */ static void stop_q(struct net_device *netdev, int q) { - if (netif_is_multiqueue(netdev)) - netif_stop_subqueue(netdev, q); - else - netif_stop_queue(netdev); + netif_stop_subqueue(netdev, q); } /** @@ -986,15 +980,10 @@ static int octeon_pci_os_setup(struct octeon_device *oct) */ static int check_txq_state(struct lio *lio, struct sk_buff *skb) { - int q = 0, iq = 0; + int q, iq; - if (netif_is_multiqueue(lio->netdev)) { - q = skb->queue_mapping; - iq = lio->linfo.txpciq[q % lio->oct_dev->num_iqs].s.q_no; - } else { - iq = lio->txq; - q = iq; - } + q = skb->queue_mapping; + iq = lio->linfo.txpciq[q % lio->oct_dev->num_iqs].s.q_no; if (octnet_iq_is_full(lio->oct_dev, iq)) return 0; @@ -1635,14 +1624,10 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) lio = GET_LIO(netdev); oct = lio->oct_dev; - if (netif_is_multiqueue(netdev)) { - q_idx = skb->queue_mapping; - q_idx = (q_idx % (lio->linfo.num_txpciq)); - tag = q_idx; - iq_no = lio->linfo.txpciq[q_idx].s.q_no; - } else { - iq_no = lio->txq; - } + q_idx = skb->queue_mapping; + q_idx = (q_idx % (lio->linfo.num_txpciq)); + tag = q_idx; + iq_no = lio->linfo.txpciq[q_idx].s.q_no; stats = &oct->instr_queue[iq_no]->stats; @@ -1671,22 +1656,12 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) ndata.q_no = iq_no; - if (netif_is_multiqueue(netdev)) { - if (octnet_iq_is_full(oct, ndata.q_no)) { - /* defer sending if queue is full */ - netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", - ndata.q_no); - stats->tx_iq_busy++; - return NETDEV_TX_BUSY; - } - } else { - if (octnet_iq_is_full(oct, lio->txq)) { - /* defer sending if queue is full */ - stats->tx_iq_busy++; - netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", - ndata.q_no); - return NETDEV_TX_BUSY; - } + if (octnet_iq_is_full(oct, ndata.q_no)) { + /* defer sending if queue is full */ + netif_info(lio, tx_err, lio->netdev, "Transmit failed iq:%d full\n", + ndata.q_no); + stats->tx_iq_busy++; + return NETDEV_TX_BUSY; } ndata.datasize = skb->len; diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index 72a581aaa320..7922a698f8b3 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -512,14 +512,10 @@ static inline int wait_for_pending_requests(struct octeon_device *oct) */ static inline void txqs_stop(struct net_device *netdev) { - if (netif_is_multiqueue(netdev)) { - int i; + int i; - for (i = 0; i < netdev->num_tx_queues; i++) - netif_stop_subqueue(netdev, i); - } else { - netif_stop_queue(netdev); - } + for (i = 0; i < netdev->num_tx_queues; i++) + netif_stop_subqueue(netdev, i); } /** @@ -529,24 +525,16 @@ static inline void txqs_stop(struct net_device *netdev) static inline void txqs_wake(struct net_device *netdev) { struct lio *lio = GET_LIO(netdev); + int i, qno; - if (netif_is_multiqueue(netdev)) { - int i; + for (i = 0; i < netdev->num_tx_queues; i++) { + qno = lio->linfo.txpciq[i % lio->oct_dev->num_iqs].s.q_no; - for (i = 0; i < netdev->num_tx_queues; i++) { - int qno = lio->linfo.txpciq[i % - lio->oct_dev->num_iqs].s.q_no; - - if (__netif_subqueue_stopped(netdev, i)) { - INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, qno, - tx_restart, 1); - netif_wake_subqueue(netdev, i); - } + if (__netif_subqueue_stopped(netdev, i)) { + INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, qno, + tx_restart, 1); + netif_wake_subqueue(netdev, i); } - } else { - INCR_INSTRQUEUE_PKT_COUNT(lio->oct_dev, lio->txq, - tx_restart, 1); - netif_wake_queue(netdev); } } @@ -557,27 +545,17 @@ static inline void txqs_wake(struct net_device *netdev) static inline void txqs_start(struct net_device *netdev) { struct lio *lio = GET_LIO(netdev); + int i; if (lio->linfo.link.s.link_up) { - if (netif_is_multiqueue(netdev)) { - int i; - - for (i = 0; i < netdev->num_tx_queues; i++) - netif_start_subqueue(netdev, i); - } else { - netif_start_queue(netdev); - } + for (i = 0; i < netdev->num_tx_queues; i++) + netif_start_subqueue(netdev, i); } } static inline int skb_iq(struct lio *lio, struct sk_buff *skb) { - int q = 0; - - if (netif_is_multiqueue(lio->netdev)) - q = skb->queue_mapping % lio->linfo.num_txpciq; - - return q; + return skb->queue_mapping % lio->linfo.num_txpciq; } #endif