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net-netlink: fix diag to export IPv4 tos for dual-stack IPv6 sockets 

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maciej Żenczykowski 2011-11-22 16:03:10 -05:00 committed by David S. Miller
parent f23aa62545
commit 717b6d8366
1 changed files with 9 additions and 5 deletions
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14
net/ipv4/inet_diag.c
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@ -108,9 +108,6 @@ static int inet_csk_diag_fill(struct sock *sk,
icsk->icsk_ca_ops->name);
}
if ((ext & (1 << (INET_DIAG_TOS - 1))) && (sk->sk_family != AF_INET6))
RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
r->idiag_family = sk->sk_family;
r->idiag_state = sk->sk_state;
r->idiag_timer = 0;
@ -125,16 +122,23 @@ static int inet_csk_diag_fill(struct sock *sk,
r->id.idiag_src[0] = inet->inet_rcv_saddr;
r->id.idiag_dst[0] = inet->inet_daddr;
/* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
* hence this needs to be included regardless of socket family.
*/
if (ext & (1 << (INET_DIAG_TOS - 1)))
RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
if (r->idiag_family == AF_INET6) {
const struct ipv6_pinfo *np = inet6_sk(sk);
if (ext & (1 << (INET_DIAG_TCLASS - 1)))
RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
&np->rcv_saddr);
ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
&np->daddr);
if (ext & (1 << (INET_DIAG_TCLASS - 1)))
RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
}
#endif