From: Ben Hutchings Date: Tue, 12 Apr 2011 14:47:15 +0000 (+0000) Subject: net: Disable NETIF_F_TSO_ECN when TSO is disabled X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=31d8b9e099e59f880aa65095951559896d4e20fa;p=linux-beck.git net: Disable NETIF_F_TSO_ECN when TSO is disabled NETIF_F_TSO_ECN has no effect when TSO is disabled; this just means that feature state will be accurately reported to user-space. Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- diff --git a/net/core/dev.c b/net/core/dev.c index 6401fb588145..c2ac599fa0f6 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5208,6 +5208,10 @@ u32 netdev_fix_features(struct net_device *dev, u32 features) features &= ~NETIF_F_ALL_TSO; } + /* TSO ECN requires that TSO is present as well. */ + if ((features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) + features &= ~NETIF_F_TSO_ECN; + /* Software GSO depends on SG. */ if ((features & NETIF_F_GSO) && !(features & NETIF_F_SG)) { netdev_info(dev, "Dropping NETIF_F_GSO since no SG feature.\n");