diff options
author | David Woodhouse <dwmw2@infradead.org> | 2007-04-27 19:16:19 +0100 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2007-04-27 19:16:19 +0100 |
commit | d1da4e50e5d09f02c340927a4fcb7f54202fa033 (patch) | |
tree | 7f98317bdd45dbdb7644e9179891c5af6a3a8ef1 /net/ipv4/ip_gre.c | |
parent | 78ab67da1002d954ea4c3e2b441e2483c41f94e8 (diff) | |
parent | a205752d1ad2d37d6597aaae5a56fc396a770868 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/Kconfig
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r-- | net/ipv4/ip_gre.c | 63 |
1 files changed, 31 insertions, 32 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 9151da64231..63282934725 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -191,11 +191,11 @@ static struct ip_tunnel * ipgre_tunnel_lookup(__be32 remote, __be32 local, __be3 return NULL; } -static struct ip_tunnel **ipgre_bucket(struct ip_tunnel *t) +static struct ip_tunnel **__ipgre_bucket(struct ip_tunnel_parm *parms) { - __be32 remote = t->parms.iph.daddr; - __be32 local = t->parms.iph.saddr; - __be32 key = t->parms.i_key; + __be32 remote = parms->iph.daddr; + __be32 local = parms->iph.saddr; + __be32 key = parms->i_key; unsigned h = HASH(key); int prio = 0; @@ -209,6 +209,11 @@ static struct ip_tunnel **ipgre_bucket(struct ip_tunnel *t) return &tunnels[prio][h]; } +static inline struct ip_tunnel **ipgre_bucket(struct ip_tunnel *t) +{ + return __ipgre_bucket(&t->parms); +} + static void ipgre_tunnel_link(struct ip_tunnel *t) { struct ip_tunnel **tp = ipgre_bucket(t); @@ -240,17 +245,9 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct ip_tunnel_parm *parms, int __be32 key = parms->i_key; struct ip_tunnel *t, **tp, *nt; struct net_device *dev; - unsigned h = HASH(key); - int prio = 0; char name[IFNAMSIZ]; - if (local) - prio |= 1; - if (remote && !MULTICAST(remote)) { - prio |= 2; - h ^= HASH(remote); - } - for (tp = &tunnels[prio][h]; (t = *tp) != NULL; tp = &t->next) { + for (tp = __ipgre_bucket(parms); (t = *tp) != NULL; tp = &t->next) { if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr) { if (key == t->parms.i_key) return t; @@ -320,8 +317,8 @@ static void ipgre_err(struct sk_buff *skb, u32 info) struct iphdr *iph = (struct iphdr*)skb->data; __be16 *p = (__be16*)(skb->data+(iph->ihl<<2)); int grehlen = (iph->ihl<<2) + 4; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct ip_tunnel *t; __be16 flags; @@ -388,8 +385,8 @@ out: struct iphdr *iph = (struct iphdr*)dp; struct iphdr *eiph; __be16 *p = (__be16*)(dp+(iph->ihl<<2)); - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; int rel_type = 0; int rel_code = 0; __be32 rel_info = 0; @@ -422,7 +419,7 @@ out: default: return; case ICMP_PARAMETERPROB: - n = ntohl(skb->h.icmph->un.gateway) >> 24; + n = ntohl(icmp_hdr(skb)->un.gateway) >> 24; if (n < (iph->ihl<<2)) return; @@ -442,7 +439,7 @@ out: return; case ICMP_FRAG_NEEDED: /* And it is the only really necessary thing :-) */ - n = ntohs(skb->h.icmph->un.frag.mtu); + n = ntohs(icmp_hdr(skb)->un.frag.mtu); if (n < grehlen+68) return; n -= grehlen; @@ -474,7 +471,7 @@ out: dst_release(skb2->dst); skb2->dst = NULL; skb_pull(skb2, skb->data - (u8*)eiph); - skb2->nh.raw = skb2->data; + skb_reset_network_header(skb2); /* Try to guess incoming interface */ memset(&fl, 0, sizeof(fl)); @@ -533,9 +530,9 @@ static inline void ipgre_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb) { if (INET_ECN_is_ce(iph->tos)) { if (skb->protocol == htons(ETH_P_IP)) { - IP_ECN_set_ce(skb->nh.iph); + IP_ECN_set_ce(ip_hdr(skb)); } else if (skb->protocol == htons(ETH_P_IPV6)) { - IP6_ECN_set_ce(skb->nh.ipv6h); + IP6_ECN_set_ce(ipv6_hdr(skb)); } } } @@ -565,7 +562,7 @@ static int ipgre_rcv(struct sk_buff *skb) if (!pskb_may_pull(skb, 16)) goto drop_nolock; - iph = skb->nh.iph; + iph = ip_hdr(skb); h = skb->data; flags = *(__be16*)h; @@ -616,9 +613,10 @@ static int ipgre_rcv(struct sk_buff *skb) offset += 4; } - skb->mac.raw = skb->nh.raw; - skb->nh.raw = __pskb_pull(skb, offset); - skb_postpull_rcsum(skb, skb->h.raw, offset); + skb_reset_mac_header(skb); + __pskb_pull(skb, offset); + skb_reset_network_header(skb); + skb_postpull_rcsum(skb, skb_transport_header(skb), offset); skb->pkt_type = PACKET_HOST; #ifdef CONFIG_NET_IPGRE_BROADCAST if (MULTICAST(iph->daddr)) { @@ -669,7 +667,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) { struct ip_tunnel *tunnel = netdev_priv(dev); struct net_device_stats *stats = &tunnel->stat; - struct iphdr *old_iph = skb->nh.iph; + struct iphdr *old_iph = ip_hdr(skb); struct iphdr *tiph; u8 tos; __be16 df; @@ -720,7 +718,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) addr_type = ipv6_addr_type(addr6); if (addr_type == IPV6_ADDR_ANY) { - addr6 = &skb->nh.ipv6h->daddr; + addr6 = &ipv6_hdr(skb)->daddr; addr_type = ipv6_addr_type(addr6); } @@ -824,11 +822,12 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) skb_set_owner_w(new_skb, skb->sk); dev_kfree_skb(skb); skb = new_skb; - old_iph = skb->nh.iph; + old_iph = ip_hdr(skb); } - skb->h.raw = skb->nh.raw; - skb->nh.raw = skb_push(skb, gre_hlen); + skb->transport_header = skb->network_header; + skb_push(skb, gre_hlen); + skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPSKB_REROUTED); @@ -839,7 +838,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) * Push down and install the IPIP header. */ - iph = skb->nh.iph; + iph = ip_hdr(skb); iph->version = 4; iph->ihl = sizeof(struct iphdr) >> 2; iph->frag_off = df; |