From 3a0c7d2d2bc61e510e900cfbb99c42d4eef2a443 Mon Sep 17 00:00:00 2001
From: Brice Goglin <brice@myri.com>
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 <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
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 140794a8d56a..dfd0994212e1 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 v1.2.3-70-g09d2