From 3a0c7d2d2bc61e510e900cfbb99c42d4eef2a443 Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Tue, 19 May 2009 10:15:32 +0000 Subject: myri10ge: allow LRO to be enabled via ethtool Allow myri10ge LRO to be enabled/disabled via ethtool (and by the stack for packet forwarding). Signed-off-by: Brice Goglin Signed-off-by: David S. Miller --- drivers/net/myri10ge/myri10ge.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 140794a8d56..dfd0994212e 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1300,7 +1300,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx, remainder -= MYRI10GE_ALLOC_SIZE; } - if (mgp->csum_flag && myri10ge_lro) { + if (dev->features & NETIF_F_LRO) { rx_frags[0].page_offset += MXGEFW_PAD; rx_frags[0].size -= MXGEFW_PAD; len -= MXGEFW_PAD; @@ -1716,12 +1716,17 @@ static u32 myri10ge_get_rx_csum(struct net_device *netdev) static int myri10ge_set_rx_csum(struct net_device *netdev, u32 csum_enabled) { struct myri10ge_priv *mgp = netdev_priv(netdev); + int err = 0; if (csum_enabled) mgp->csum_flag = MXGEFW_FLAGS_CKSUM; - else + else { + u32 flags = ethtool_op_get_flags(netdev); + err = ethtool_op_set_flags(netdev, (flags & ~ETH_FLAG_LRO)); mgp->csum_flag = 0; - return 0; + + } + return err; } static int myri10ge_set_tso(struct net_device *netdev, u32 tso_enabled) @@ -1904,7 +1909,9 @@ static const struct ethtool_ops myri10ge_ethtool_ops = { .get_sset_count = myri10ge_get_sset_count, .get_ethtool_stats = myri10ge_get_ethtool_stats, .set_msglevel = myri10ge_set_msglevel, - .get_msglevel = myri10ge_get_msglevel + .get_msglevel = myri10ge_get_msglevel, + .get_flags = ethtool_op_get_flags, + .set_flags = ethtool_op_set_flags }; static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss) @@ -3910,6 +3917,8 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (dac_enabled) netdev->features |= NETIF_F_HIGHDMA; + if (myri10ge_lro) + netdev->features |= NETIF_F_LRO; /* make sure we can get an irq, and that MSI can be * setup (if available). Also ensure netdev->irq -- cgit v1.2.3