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[IPV4/IPV6]: Always wait for IPSEC SA resolution in socket contexts. 

Do this even for non-blocking sockets.  This avoids the silly -EAGAIN
that applications can see now, even for non-blocking sockets in some
cases (f.e. connect()).

With help from Venkat Tekkirala.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-02-08 02:09:21 -08:00
parent ba7808eac1
commit 8eb9086f21
12 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/net/route.h
View File

@ -146,7 +146,8 @@ static inline char rt_tos2priority(u8 tos)
static inline int ip_route_connect(struct rtable **rp, __be32 dst,
__be32 src, u32 tos, int oif, u8 protocol,
__be16 sport, __be16 dport, struct sock *sk)
__be16 sport, __be16 dport, struct sock *sk,
int flags)
{
struct flowi fl = { .oif = oif,
.nl_u = { .ip4_u = { .daddr = dst,
@ -168,7 +169,7 @@ static inline int ip_route_connect(struct rtable **rp, __be32 dst,
*rp = NULL;
}
security_sk_classify_flow(sk, &fl);
return ip_route_output_flow(rp, &fl, sk, 0);
return ip_route_output_flow(rp, &fl, sk, flags);
}
static inline int ip_route_newports(struct rtable **rp, u8 protocol,

2
net/dccp/ipv4.c
View File

@ -72,7 +72,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
tmp = ip_route_connect(&rt, nexthop, inet->saddr,
RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
IPPROTO_DCCP,
inet->sport, usin->sin_port, sk);
inet->sport, usin->sin_port, sk, 1);
if (tmp < 0)
return tmp;

2
net/dccp/ipv6.c
View File

@ -1041,7 +1041,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
err = xfrm_lookup(&dst, &fl, sk, 0);
err = xfrm_lookup(&dst, &fl, sk, 1);
if (err < 0)
goto failure;

2
net/ipv4/af_inet.c
View File

@ -1007,7 +1007,7 @@ static int inet_sk_reselect_saddr(struct sock *sk)
RT_CONN_FLAGS(sk),
sk->sk_bound_dev_if,
sk->sk_protocol,
inet->sport, inet->dport, sk);
inet->sport, inet->dport, sk, 0);
if (err)
return err;

2
net/ipv4/datagram.c
View File

@ -49,7 +49,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
err = ip_route_connect(&rt, usin->sin_addr.s_addr, saddr,
RT_CONN_FLAGS(sk), oif,
sk->sk_protocol,
inet->sport, usin->sin_port, sk);
inet->sport, usin->sin_port, sk, 1);
if (err)
return err;
if ((rt->rt_flags & RTCF_BROADCAST) && !sock_flag(sk, SOCK_BROADCAST)) {

2
net/ipv4/raw.c
View File

@ -489,7 +489,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
}
security_sk_classify_flow(sk, &fl);
err = ip_route_output_flow(&rt, &fl, sk, !(msg->msg_flags&MSG_DONTWAIT));
err = ip_route_output_flow(&rt, &fl, sk, 1);
}
if (err)
goto done;

2
net/ipv4/tcp_ipv4.c
View File

@ -191,7 +191,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
tmp = ip_route_connect(&rt, nexthop, inet->saddr,
RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
IPPROTO_TCP,
inet->sport, usin->sin_port, sk);
inet->sport, usin->sin_port, sk, 1);
if (tmp < 0)
return tmp;

2
net/ipv4/udp.c
View File

@ -629,7 +629,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
{ .sport = inet->sport,
.dport = dport } } };
security_sk_classify_flow(sk, &fl);
err = ip_route_output_flow(&rt, &fl, sk, !(msg->msg_flags&MSG_DONTWAIT));
err = ip_route_output_flow(&rt, &fl, sk, 1);
if (err)
goto out;

2
net/ipv6/datagram.c
View File

@ -178,7 +178,7 @@ ipv4_connected:
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0)
goto out;
/* source address lookup done in ip6_dst_lookup */

2
net/ipv6/raw.c
View File

@ -815,7 +815,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0)
goto out;
if (hlimit < 0) {

2
net/ipv6/tcp_ipv6.c
View File

@ -265,7 +265,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0)
goto failure;
if (saddr == NULL) {

2
net/ipv6/udp.c
View File

@ -736,7 +736,7 @@ do_udp_sendmsg:
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0)
goto out;
if (hlimit < 0) {