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net: replace ipfragok with skb->local_df 

As Herbert Xu said: we should be able to simply replace ipfragok
with skb->local_df. commit f88037(sctp: Drop ipfargok in sctp_xmit function)
has droped ipfragok and set local_df value properly.

The patch kills the ipfragok parameter of .queue_xmit().

Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shan Wei 2010-04-15 16:43:08 +00:00 committed by David S. Miller
parent 0eecb78494
commit 4e15ed4d93
15 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/inet6_connection_sock.h
View File

@ -38,5 +38,5 @@ extern void inet6_csk_reqsk_queue_hash_add(struct sock *sk,
extern void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
extern int inet6_csk_xmit(struct sk_buff *skb, int ipfragok);
extern int inet6_csk_xmit(struct sk_buff *skb);
#endif /* _INET6_CONNECTION_SOCK_H */

2
include/net/inet_connection_sock.h
View File

@ -36,7 +36,7 @@ struct tcp_congestion_ops;
* (i.e. things that depend on the address family)
*/
struct inet_connection_sock_af_ops {
int (*queue_xmit)(struct sk_buff *skb, int ipfragok);
int (*queue_xmit)(struct sk_buff *skb);
void (*send_check)(struct sock *sk, struct sk_buff *skb);
int (*rebuild_header)(struct sock *sk);
int (*conn_request)(struct sock *sk, struct sk_buff *skb);

2
include/net/ip.h
View File

@ -101,7 +101,7 @@ extern int ip_do_nat(struct sk_buff *skb);
extern void ip_send_check(struct iphdr *ip);
extern int __ip_local_out(struct sk_buff *skb);
extern int ip_local_out(struct sk_buff *skb);
extern int ip_queue_xmit(struct sk_buff *skb, int ipfragok);
extern int ip_queue_xmit(struct sk_buff *skb);
extern void ip_init(void);
extern int ip_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,

3
include/net/ipv6.h
View File

@ -482,8 +482,7 @@ extern int ip6_rcv_finish(struct sk_buff *skb);
extern int ip6_xmit(struct sock *sk,
struct sk_buff *skb,
struct flowi *fl,
struct ipv6_txoptions *opt,
int ipfragok);
struct ipv6_txoptions *opt);
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,

4
net/dccp/ipv6.c
View File

@ -292,7 +292,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
&ireq6->loc_addr,
&ireq6->rmt_addr);
ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr);
err = ip6_xmit(sk, skb, &fl, opt, 0);
err = ip6_xmit(sk, skb, &fl, opt);
err = net_xmit_eval(err);
}
@ -347,7 +347,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
if (!ip6_dst_lookup(ctl_sk, &dst, &fl)) {
if (xfrm_lookup(net, &dst, &fl, NULL, 0) >= 0) {
skb_dst_set(skb, dst);
ip6_xmit(ctl_sk, skb, &fl, NULL, 0);
ip6_xmit(ctl_sk, skb, &fl, NULL);
DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
return;

2
net/dccp/output.c
View File

@ -136,7 +136,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
err = icsk->icsk_af_ops->queue_xmit(skb, 0);
err = icsk->icsk_af_ops->queue_xmit(skb);
return net_xmit_eval(err);
}
return -ENOBUFS;

4
net/ipv4/ip_output.c
View File

@ -311,7 +311,7 @@ int ip_output(struct sk_buff *skb)
!(IPCB(skb)->flags & IPSKB_REROUTED));
}
int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
int ip_queue_xmit(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(sk);
@ -370,7 +370,7 @@ packet_routed:
skb_reset_network_header(skb);
iph = ip_hdr(skb);
*((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
if (ip_dont_fragment(sk, &rt->u.dst) && !ipfragok)
if (ip_dont_fragment(sk, &rt->u.dst) && !skb->local_df)
iph->frag_off = htons(IP_DF);
else
iph->frag_off = 0;

2
net/ipv4/tcp_output.c
View File

@ -890,7 +890,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq)
TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
err = icsk->icsk_af_ops->queue_xmit(skb, 0);
err = icsk->icsk_af_ops->queue_xmit(skb);
if (likely(err <= 0))
return err;

4
net/ipv6/inet6_connection_sock.c
View File

@ -178,7 +178,7 @@ struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
return dst;
}
int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
int inet6_csk_xmit(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(sk);
@ -234,7 +234,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
/* Restore final destination back after routing done */
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
return ip6_xmit(sk, skb, &fl, np->opt, 0);
return ip6_xmit(sk, skb, &fl, np->opt);
}
EXPORT_SYMBOL_GPL(inet6_csk_xmit);

2
net/ipv6/ip6_output.c
View File

@ -185,7 +185,7 @@ int ip6_output(struct sk_buff *skb)
*/
int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
struct ipv6_txoptions *opt, int ipfragok)
struct ipv6_txoptions *opt)
{
struct net *net = sock_net(sk);
struct ipv6_pinfo *np = inet6_sk(sk);

4
net/ipv6/tcp_ipv6.c
View File

@ -509,7 +509,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
__tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
err = ip6_xmit(sk, skb, &fl, opt, 0);
err = ip6_xmit(sk, skb, &fl, opt);
err = net_xmit_eval(err);
}
@ -1071,7 +1071,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
if (!ip6_dst_lookup(ctl_sk, &dst, &fl)) {
if (xfrm_lookup(net, &dst, &fl, NULL, 0) >= 0) {
skb_dst_set(buff, dst);
ip6_xmit(ctl_sk, buff, &fl, NULL, 0);
ip6_xmit(ctl_sk, buff, &fl, NULL);
TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
if (rst)
TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS);

3
net/l2tp/l2tp_core.c
View File

@ -954,7 +954,8 @@ int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, size_t dat
}
/* Queue the packet to IP for output */
error = ip_queue_xmit(skb, 1);
skb->local_df = 1;
error = ip_queue_xmit(skb);
/* Update stats */
if (error >= 0) {

2
net/l2tp/l2tp_ip.c
View File

@ -501,7 +501,7 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
skb_dst_set(skb, dst_clone(&rt->u.dst));
/* Queue the packet to IP for output */
rc = ip_queue_xmit(skb, 0);
rc = ip_queue_xmit(skb);
error:
/* Update stats */

2
net/sctp/ipv6.c
View File

@ -232,7 +232,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->local_df = 1;
return ip6_xmit(sk, skb, &fl, np->opt, 0);
return ip6_xmit(sk, skb, &fl, np->opt);
}
/* Returns the dst cache entry for the given source and destination ip

2
net/sctp/protocol.c
View File

@ -854,7 +854,7 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
return ip_queue_xmit(skb, 0);
return ip_queue_xmit(skb);
}
static struct sctp_af sctp_af_inet;