diff options
| -rw-r--r-- | include/linux/skbuff.h | 12 | ||||
| -rw-r--r-- | include/net/dst.h | 5 | ||||
| -rw-r--r-- | net/ipv4/ip_fragment.c | 2 | ||||
| -rw-r--r-- | net/ipv4/ip_tunnel_core.c | 5 | ||||
| -rw-r--r-- | net/openvswitch/actions.c | 10 |
5 files changed, 22 insertions, 12 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4725b953e00d..7deb7ad65914 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -712,6 +712,18 @@ static inline __u32 skb_get_hash(struct sk_buff *skb) return skb->rxhash; } +static inline void skb_clear_hash(struct sk_buff *skb) +{ + skb->rxhash = 0; + skb->l4_rxhash = 0; +} + +static inline void skb_clear_hash_if_not_l4(struct sk_buff *skb) +{ + if (!skb->l4_rxhash) + skb_clear_hash(skb); +} + #ifdef NET_SKBUFF_DATA_USES_OFFSET static inline unsigned char *skb_end_pointer(const struct sk_buff *skb) { diff --git a/include/net/dst.h b/include/net/dst.h index 44995c13e941..77eb53fabfb0 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -322,12 +322,11 @@ static inline void __skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev, skb->dev = dev; /* - * Clear rxhash so that we can recalulate the hash for the + * Clear hash so that we can recalulate the hash for the * encapsulated packet, unless we have already determine the hash * over the L4 4-tuple. */ - if (!skb->l4_rxhash) - skb->rxhash = 0; + skb_clear_hash_if_not_l4(skb); skb_set_queue_mapping(skb, 0); skb_scrub_packet(skb, !net_eq(net, dev_net(dev))); } diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 2481993a4970..c10a3ce5cbff 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -704,7 +704,7 @@ struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user) memset(IPCB(skb), 0, sizeof(struct inet_skb_parm)); if (ip_defrag(skb, user)) return NULL; - skb->rxhash = 0; + skb_clear_hash(skb); } } return skb; diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 42ffbc8d65c6..6156f4ef5e91 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -56,7 +56,7 @@ int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb, skb_scrub_packet(skb, xnet); - skb->rxhash = 0; + skb_clear_hash(skb); skb_dst_set(skb, &rt->dst); memset(IPCB(skb), 0, sizeof(*IPCB(skb))); @@ -107,8 +107,7 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto) nf_reset(skb); secpath_reset(skb); - if (!skb->l4_rxhash) - skb->rxhash = 0; + skb_clear_hash_if_not_l4(skb); skb_dst_drop(skb); skb->vlan_tci = 0; skb_set_queue_mapping(skb, 0); diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 65cfaa816075..716b7eebfe70 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -165,7 +165,7 @@ static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh, } csum_replace4(&nh->check, *addr, new_addr); - skb->rxhash = 0; + skb_clear_hash(skb); *addr = new_addr; } @@ -199,7 +199,7 @@ static void set_ipv6_addr(struct sk_buff *skb, u8 l4_proto, if (recalculate_csum) update_ipv6_checksum(skb, l4_proto, addr, new_addr); - skb->rxhash = 0; + skb_clear_hash(skb); memcpy(addr, new_addr, sizeof(__be32[4])); } @@ -296,7 +296,7 @@ static void set_tp_port(struct sk_buff *skb, __be16 *port, { inet_proto_csum_replace2(check, skb, *port, new_port, 0); *port = new_port; - skb->rxhash = 0; + skb_clear_hash(skb); } static void set_udp_port(struct sk_buff *skb, __be16 *port, __be16 new_port) @@ -310,7 +310,7 @@ static void set_udp_port(struct sk_buff *skb, __be16 *port, __be16 new_port) uh->check = CSUM_MANGLED_0; } else { *port = new_port; - skb->rxhash = 0; + skb_clear_hash(skb); } } @@ -381,7 +381,7 @@ static int set_sctp(struct sk_buff *skb, /* Carry any checksum errors through. */ sh->checksum = old_csum ^ old_correct_csum ^ new_csum; - skb->rxhash = 0; + skb_clear_hash(skb); } return 0; |