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ipv6: tcp: fix TCLASS value in ACK messages sent from TIME_WAIT

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commit 66b13d99d9 (ipv4: tcp: fix TOS value in ACK messages sent from
TIME_WAIT) fixed IPv4 only.

This part is for the IPv6 side, adding a tclass param to ip6_xmit()

We alias tw_tclass and tw_tos, if socket family is INET6.

[ if sockets is ipv4-mapped, only IP_TOS socket option is used to fill
TOS field, TCLASS is not taken into account ]

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2011-10-27 00:44:35 -04:00 • committed by David S. Miller
parent 138c4ae9cf
commit b903d324be
8 changed files with 19 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/net/inet_timewait_sock.h
View file

@ -134,6 +134,7 @@ struct inet_timewait_sock {
struct inet_bind_bucket *tw_tb;
struct hlist_node tw_death_node;
};
#define tw_tclass tw_tos
static inline void inet_twsk_add_node_rcu(struct inet_timewait_sock *tw,
struct hlist_nulls_head *list)

3
include/net/ipv6.h
View file

@ -486,7 +486,8 @@ extern int ip6_rcv_finish(struct sk_buff *skb);
extern int ip6_xmit(struct sock *sk,
struct sk_buff *skb,
struct flowi6 *fl6,
struct ipv6_txoptions *opt);
struct ipv6_txoptions *opt,
int tclass);
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,