diff options
author | David S. Miller <davem@davemloft.net> | 2012-05-16 22:17:37 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2012-05-16 22:17:37 -0400 |
commit | 028940342a906db8da014a7603a0deddc2c323dd (patch) | |
tree | 688dbc38a3e218f2493d311b1d70a67668837347 /drivers/net/ethernet | |
parent | be3eed2e96340d3c7a4d1ea1d63e7bd6095d1e34 (diff) | |
parent | 0e93b4b304ae052ba1bc73f6d34a68556fe93429 (diff) | |
download | linux-028940342a906db8da014a7603a0deddc2c323dd.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/ibm/ehea/ehea_main.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 20 | ||||
-rw-r--r-- | drivers/net/ethernet/micrel/ks8851.c | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/realtek/r8169.c | 16 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 2 |
7 files changed, 34 insertions, 40 deletions
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index c9069a28832b..f4d2da0db1b1 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3335,6 +3335,8 @@ static int __devinit ehea_probe_adapter(struct platform_device *dev, goto out_shutdown_ports; } + /* Handle any events that might be pending. */ + tasklet_hi_schedule(&adapter->neq_tasklet); ret = 0; goto out; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index ba21f9c72a21..9bbf1a275947 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1103,9 +1103,12 @@ msi_only: adapter->flags |= IGB_FLAG_HAS_MSI; out: /* Notify the stack of the (possibly) reduced queue counts. */ + rtnl_lock(); netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues); - return netif_set_real_num_rx_queues(adapter->netdev, - adapter->num_rx_queues); + err = netif_set_real_num_rx_queues(adapter->netdev, + adapter->num_rx_queues); + rtnl_unlock(); + return err; } /** @@ -6706,18 +6709,7 @@ static int igb_resume(struct device *dev) pci_enable_wake(pdev, PCI_D3hot, 0); pci_enable_wake(pdev, PCI_D3cold, 0); - if (!rtnl_is_locked()) { - /* - * shut up ASSERT_RTNL() warning in - * netif_set_real_num_tx/rx_queues. - */ - rtnl_lock(); - err = igb_init_interrupt_scheme(adapter); - rtnl_unlock(); - } else { - err = igb_init_interrupt_scheme(adapter); - } - if (err) { + if (igb_init_interrupt_scheme(adapter)) { dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); return -ENOMEM; } diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c index f8dda009d3c0..5e313e9a252f 100644 --- a/drivers/net/ethernet/micrel/ks8851.c +++ b/drivers/net/ethernet/micrel/ks8851.c @@ -618,10 +618,8 @@ static void ks8851_irq_work(struct work_struct *work) netif_dbg(ks, intr, ks->netdev, "%s: status 0x%04x\n", __func__, status); - if (status & IRQ_LCI) { - /* should do something about checking link status */ + if (status & IRQ_LCI) handled |= IRQ_LCI; - } if (status & IRQ_LDI) { u16 pmecr = ks8851_rdreg16(ks, KS_PMECR); @@ -684,6 +682,9 @@ static void ks8851_irq_work(struct work_struct *work) mutex_unlock(&ks->lock); + if (status & IRQ_LCI) + mii_check_link(&ks->mii); + if (status & IRQ_TXI) netif_wake_queue(ks->netdev); diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h index 9f3dbc4feadc..b07311eaa693 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h @@ -584,7 +584,6 @@ struct pch_gbe_hw_stats { /** * struct pch_gbe_adapter - board specific private data structure * @stats_lock: Spinlock structure for status - * @tx_queue_lock: Spinlock structure for transmit * @ethtool_lock: Spinlock structure for ethtool * @irq_sem: Semaphore for interrupt * @netdev: Pointer of network device structure @@ -609,7 +608,6 @@ struct pch_gbe_hw_stats { struct pch_gbe_adapter { spinlock_t stats_lock; - spinlock_t tx_queue_lock; spinlock_t ethtool_lock; atomic_t irq_sem; struct net_device *netdev; diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 9dc7e5023671..3787c64ee71c 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -645,14 +645,11 @@ static void pch_gbe_mac_set_pause_packet(struct pch_gbe_hw *hw) */ static int pch_gbe_alloc_queues(struct pch_gbe_adapter *adapter) { - int size; - - size = (int)sizeof(struct pch_gbe_tx_ring); - adapter->tx_ring = kzalloc(size, GFP_KERNEL); + adapter->tx_ring = kzalloc(sizeof(*adapter->tx_ring), GFP_KERNEL); if (!adapter->tx_ring) return -ENOMEM; - size = (int)sizeof(struct pch_gbe_rx_ring); - adapter->rx_ring = kzalloc(size, GFP_KERNEL); + + adapter->rx_ring = kzalloc(sizeof(*adapter->rx_ring), GFP_KERNEL); if (!adapter->rx_ring) { kfree(adapter->tx_ring); return -ENOMEM; @@ -1169,7 +1166,6 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter, struct sk_buff *tmp_skb; unsigned int frame_ctrl; unsigned int ring_num; - unsigned long flags; /*-- Set frame control --*/ frame_ctrl = 0; @@ -1216,14 +1212,14 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter, } } } - spin_lock_irqsave(&tx_ring->tx_lock, flags); + ring_num = tx_ring->next_to_use; if (unlikely((ring_num + 1) == tx_ring->count)) tx_ring->next_to_use = 0; else tx_ring->next_to_use = ring_num + 1; - spin_unlock_irqrestore(&tx_ring->tx_lock, flags); + buffer_info = &tx_ring->buffer_info[ring_num]; tmp_skb = buffer_info->skb; @@ -1525,7 +1521,7 @@ pch_gbe_alloc_rx_buffers_pool(struct pch_gbe_adapter *adapter, &rx_ring->rx_buff_pool_logic, GFP_KERNEL); if (!rx_ring->rx_buff_pool) { - pr_err("Unable to allocate memory for the receive poll buffer\n"); + pr_err("Unable to allocate memory for the receive pool buffer\n"); return -ENOMEM; } memset(rx_ring->rx_buff_pool, 0, size); @@ -1644,15 +1640,17 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter, pr_debug("called pch_gbe_unmap_and_free_tx_resource() %d count\n", cleaned_count); /* Recover from running out of Tx resources in xmit_frame */ + spin_lock(&tx_ring->tx_lock); if (unlikely(cleaned && (netif_queue_stopped(adapter->netdev)))) { netif_wake_queue(adapter->netdev); adapter->stats.tx_restart_count++; pr_debug("Tx wake queue\n"); } - spin_lock(&adapter->tx_queue_lock); + tx_ring->next_to_clean = i; - spin_unlock(&adapter->tx_queue_lock); + pr_debug("next_to_clean : %d\n", tx_ring->next_to_clean); + spin_unlock(&tx_ring->tx_lock); return cleaned; } @@ -2043,7 +2041,6 @@ static int pch_gbe_sw_init(struct pch_gbe_adapter *adapter) return -ENOMEM; } spin_lock_init(&adapter->hw.miim_lock); - spin_lock_init(&adapter->tx_queue_lock); spin_lock_init(&adapter->stats_lock); spin_lock_init(&adapter->ethtool_lock); atomic_set(&adapter->irq_sem, 0); @@ -2148,10 +2145,10 @@ static int pch_gbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) tx_ring->next_to_use, tx_ring->next_to_clean); return NETDEV_TX_BUSY; } - spin_unlock_irqrestore(&tx_ring->tx_lock, flags); /* CRC,ITAG no support */ pch_gbe_tx_queue(adapter, tx_ring, skb); + spin_unlock_irqrestore(&tx_ring->tx_lock, flags); return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 00628d84342f..4f74b9762c29 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -63,8 +63,12 @@ #define R8169_MSG_DEFAULT \ (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) -#define TX_BUFFS_AVAIL(tp) \ - (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) +#define TX_SLOTS_AVAIL(tp) \ + (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx) + +/* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */ +#define TX_FRAGS_READY_FOR(tp,nr_frags) \ + (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1)) /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). The RTL chips use a 64 element hash table based on the Ethernet CRC. */ @@ -5494,7 +5498,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, u32 opts[2]; int frags; - if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) { + if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) { netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n"); goto err_stop_0; } @@ -5548,7 +5552,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, mmiowb(); - if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) { + if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must * not miss a ring update when it notices a stopped queue. */ @@ -5562,7 +5566,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, * can't. */ smp_mb(); - if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS) + if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) netif_wake_queue(dev); } @@ -5685,7 +5689,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp) */ smp_mb(); if (netif_queue_stopped(dev) && - (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) { + TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) { netif_wake_queue(dev); } /* diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 8253d2155fe3..b95f2e1b33f0 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1354,7 +1354,7 @@ static int efx_probe_interrupts(struct efx_nic *efx) } /* RSS might be usable on VFs even if it is disabled on the PF */ - efx->rss_spread = (efx->n_rx_channels > 1 ? + efx->rss_spread = ((efx->n_rx_channels > 1 || !efx_sriov_wanted(efx)) ? efx->n_rx_channels : efx_vf_size(efx)); return 0; |