diff options
Diffstat (limited to 'net/core/dev.c')
-rw-r--r-- | net/core/dev.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index c6e29ea65bd9..57c4f9bc6858 100644 --- a/net/core/dev.c +++ b/net/core/dev.c | |||
@@ -2089,25 +2089,6 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features) | |||
2089 | return 0; | 2089 | return 0; |
2090 | } | 2090 | } |
2091 | 2091 | ||
2092 | /* | ||
2093 | * Try to orphan skb early, right before transmission by the device. | ||
2094 | * We cannot orphan skb if tx timestamp is requested or the sk-reference | ||
2095 | * is needed on driver level for other reasons, e.g. see net/can/raw.c | ||
2096 | */ | ||
2097 | static inline void skb_orphan_try(struct sk_buff *skb) | ||
2098 | { | ||
2099 | struct sock *sk = skb->sk; | ||
2100 | |||
2101 | if (sk && !skb_shinfo(skb)->tx_flags) { | ||
2102 | /* skb_tx_hash() wont be able to get sk. | ||
2103 | * We copy sk_hash into skb->rxhash | ||
2104 | */ | ||
2105 | if (!skb->rxhash) | ||
2106 | skb->rxhash = sk->sk_hash; | ||
2107 | skb_orphan(skb); | ||
2108 | } | ||
2109 | } | ||
2110 | |||
2111 | static bool can_checksum_protocol(netdev_features_t features, __be16 protocol) | 2092 | static bool can_checksum_protocol(netdev_features_t features, __be16 protocol) |
2112 | { | 2093 | { |
2113 | return ((features & NETIF_F_GEN_CSUM) || | 2094 | return ((features & NETIF_F_GEN_CSUM) || |
@@ -2193,8 +2174,6 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, | |||
2193 | if (!list_empty(&ptype_all)) | 2174 | if (!list_empty(&ptype_all)) |
2194 | dev_queue_xmit_nit(skb, dev); | 2175 | dev_queue_xmit_nit(skb, dev); |
2195 | 2176 | ||
2196 | skb_orphan_try(skb); | ||
2197 | |||
2198 | features = netif_skb_features(skb); | 2177 | features = netif_skb_features(skb); |
2199 | 2178 | ||
2200 | if (vlan_tx_tag_present(skb) && | 2179 | if (vlan_tx_tag_present(skb) && |
@@ -2304,7 +2283,7 @@ u16 __skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb, | |||
2304 | if (skb->sk && skb->sk->sk_hash) | 2283 | if (skb->sk && skb->sk->sk_hash) |
2305 | hash = skb->sk->sk_hash; | 2284 | hash = skb->sk->sk_hash; |
2306 | else | 2285 | else |
2307 | hash = (__force u16) skb->protocol ^ skb->rxhash; | 2286 | hash = (__force u16) skb->protocol; |
2308 | hash = jhash_1word(hash, hashrnd); | 2287 | hash = jhash_1word(hash, hashrnd); |
2309 | 2288 | ||
2310 | return (u16) (((u64) hash * qcount) >> 32) + qoffset; | 2289 | return (u16) (((u64) hash * qcount) >> 32) + qoffset; |