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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-29 12:22:08 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-29 12:22:08 -0400
commit49b2de8e6febfea5a8791b6476195903af83a35d (patch)
treec93f328623b9429615981d4b7502997fdd0f72b0 /drivers/net/igb
parent8633322c5fd5b2a986b279f88a7559d8409f7da3 (diff)
parentb5dd884e682cae6b8c037f9d11f3b623b4cf2011 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits) net: Fix 'Re: PACKET_TX_RING: packet size is too long' netdev: usb: dm9601.c can drive a device not supported yet, add support for it qlge: Fix firmware mailbox command timeout. qlge: Fix EEH handling. AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2) bonding: fix a race condition in calls to slave MII ioctls virtio-net: fix data corruption with OOM sfc: Set ip_summed correctly for page buffers passed to GRO cnic: Fix L2CTX_STATUSB_NUM offset in context memory. MAINTAINERS: rt2x00 list is moderated airo: Reorder tests, check bounds before element mac80211: fix for incorrect sequence number on hostapd injected frames libertas spi: fix sparse errors mac80211: trivial: fix spelling in mesh_hwmp cfg80211: sme: deauthenticate on assoc failure mac80211: keep auth state when assoc fails mac80211: fix ibss joining b43: add 'struct b43_wl' missing declaration b43: Fix Bugzilla #14181 and the bug from the previous 'fix' rt2x00: Fix crypto in TX frame for rt2800usb ...
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/igb_ethtool.c35
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index deaea8fa103..b243ed3b0c3 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -732,7 +732,7 @@ static int igb_set_ringparam(struct net_device *netdev,
732{ 732{
733 struct igb_adapter *adapter = netdev_priv(netdev); 733 struct igb_adapter *adapter = netdev_priv(netdev);
734 struct igb_ring *temp_ring; 734 struct igb_ring *temp_ring;
735 int i, err; 735 int i, err = 0;
736 u32 new_rx_count, new_tx_count; 736 u32 new_rx_count, new_tx_count;
737 737
738 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 738 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
@@ -752,18 +752,30 @@ static int igb_set_ringparam(struct net_device *netdev,
752 return 0; 752 return 0;
753 } 753 }
754 754
755 while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
756 msleep(1);
757
758 if (!netif_running(adapter->netdev)) {
759 for (i = 0; i < adapter->num_tx_queues; i++)
760 adapter->tx_ring[i].count = new_tx_count;
761 for (i = 0; i < adapter->num_rx_queues; i++)
762 adapter->rx_ring[i].count = new_rx_count;
763 adapter->tx_ring_count = new_tx_count;
764 adapter->rx_ring_count = new_rx_count;
765 goto clear_reset;
766 }
767
755 if (adapter->num_tx_queues > adapter->num_rx_queues) 768 if (adapter->num_tx_queues > adapter->num_rx_queues)
756 temp_ring = vmalloc(adapter->num_tx_queues * sizeof(struct igb_ring)); 769 temp_ring = vmalloc(adapter->num_tx_queues * sizeof(struct igb_ring));
757 else 770 else
758 temp_ring = vmalloc(adapter->num_rx_queues * sizeof(struct igb_ring)); 771 temp_ring = vmalloc(adapter->num_rx_queues * sizeof(struct igb_ring));
759 if (!temp_ring)
760 return -ENOMEM;
761 772
762 while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) 773 if (!temp_ring) {
763 msleep(1); 774 err = -ENOMEM;
775 goto clear_reset;
776 }
764 777
765 if (netif_running(adapter->netdev)) 778 igb_down(adapter);
766 igb_down(adapter);
767 779
768 /* 780 /*
769 * We can't just free everything and then setup again, 781 * We can't just free everything and then setup again,
@@ -820,14 +832,11 @@ static int igb_set_ringparam(struct net_device *netdev,
820 832
821 adapter->rx_ring_count = new_rx_count; 833 adapter->rx_ring_count = new_rx_count;
822 } 834 }
823
824 err = 0;
825err_setup: 835err_setup:
826 if (netif_running(adapter->netdev)) 836 igb_up(adapter);
827 igb_up(adapter);
828
829 clear_bit(__IGB_RESETTING, &adapter->state);
830 vfree(temp_ring); 837 vfree(temp_ring);
838clear_reset:
839 clear_bit(__IGB_RESETTING, &adapter->state);
831 return err; 840 return err;
832} 841}
833 842