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[IPV4,IPV6]: Share cork.rt between IPv4 and IPv6.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-03-10 04:30:37 -04:00
parent a9b05723ff
commit c8cdaf998d
4 changed files with 13 additions and 16 deletions
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1
include/linux/ipv6.h
View file

@ -315,7 +315,6 @@ struct ipv6_pinfo {
struct sk_buff *pktoptions;
struct {
struct ipv6_txoptions *opt;
struct rt6_info *rt;
int hop_limit;
int tclass;
} cork;

2
include/net/inet_sock.h
View file

@ -136,7 +136,7 @@ struct inet_sock {
unsigned int flags;
unsigned int fragsize;
struct ip_options *opt;
struct rtable *rt;
struct dst_entry *dst;
int length; /* Total length of all frames */
__be32 addr;
struct flowi fl;

14
net/ipv4/ip_output.c
View file

@ -825,7 +825,7 @@ int ip_append_data(struct sock *sk,
inet->cork.fragsize = mtu = inet->pmtudisc == IP_PMTUDISC_PROBE ?
rt->u.dst.dev->mtu :
dst_mtu(rt->u.dst.path);
inet->cork.rt = rt;
inet->cork.dst = &rt->u.dst;
inet->cork.length = 0;
sk->sk_sndmsg_page = NULL;
sk->sk_sndmsg_off = 0;
@ -834,7 +834,7 @@ int ip_append_data(struct sock *sk,
transhdrlen += exthdrlen;
}
} else {
rt = inet->cork.rt;
rt = (struct rtable *)inet->cork.dst;
if (inet->cork.flags & IPCORK_OPT)
opt = inet->cork.opt;
@ -1083,7 +1083,7 @@ ssize_t ip_append_page(struct sock *sk, struct page *page,
if (skb_queue_empty(&sk->sk_write_queue))
return -EINVAL;
rt = inet->cork.rt;
rt = (struct rtable *)inet->cork.dst;
if (inet->cork.flags & IPCORK_OPT)
opt = inet->cork.opt;
@ -1208,10 +1208,8 @@ static void ip_cork_release(struct inet_sock *inet)
inet->cork.flags &= ~IPCORK_OPT;
kfree(inet->cork.opt);
inet->cork.opt = NULL;
if (inet->cork.rt) {
ip_rt_put(inet->cork.rt);
inet->cork.rt = NULL;
}
dst_release(inet->cork.dst);
inet->cork.dst = NULL;
}
/*
@ -1224,7 +1222,7 @@ int ip_push_pending_frames(struct sock *sk)
struct sk_buff **tail_skb;
struct inet_sock *inet = inet_sk(sk);
struct ip_options *opt = NULL;
struct rtable *rt = inet->cork.rt;
struct rtable *rt = (struct rtable *)inet->cork.dst;
struct iphdr *iph;
__be16 df = 0;
__u8 ttl;

12
net/ipv6/ip6_output.c
View file

@ -1115,7 +1115,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
/* need source address above miyazawa*/
}
dst_hold(&rt->u.dst);
np->cork.rt = rt;
inet->cork.dst = &rt->u.dst;
inet->cork.fl = *fl;
np->cork.hop_limit = hlimit;
np->cork.tclass = tclass;
@ -1136,7 +1136,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
length += exthdrlen;
transhdrlen += exthdrlen;
} else {
rt = np->cork.rt;
rt = (struct rt6_info *)inet->cork.dst;
fl = &inet->cork.fl;
if (inet->cork.flags & IPCORK_OPT)
opt = np->cork.opt;
@ -1381,9 +1381,9 @@ static void ip6_cork_release(struct inet_sock *inet, struct ipv6_pinfo *np)
inet->cork.flags &= ~IPCORK_OPT;
kfree(np->cork.opt);
np->cork.opt = NULL;
if (np->cork.rt) {
dst_release(&np->cork.rt->u.dst);
np->cork.rt = NULL;
if (inet->cork.dst) {
dst_release(inet->cork.dst);
inet->cork.dst = NULL;
inet->cork.flags &= ~IPCORK_ALLFRAG;
}
memset(&inet->cork.fl, 0, sizeof(inet->cork.fl));
@ -1398,7 +1398,7 @@ int ip6_push_pending_frames(struct sock *sk)
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6hdr *hdr;
struct ipv6_txoptions *opt = np->cork.opt;
struct rt6_info *rt = np->cork.rt;
struct rt6_info *rt = (struct rt6_info *)inet->cork.dst;
struct flowi *fl = &inet->cork.fl;
unsigned char proto = fl->proto;
int err = 0;