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ipv6: copy traffic class from ping request to reply

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Suggested-by: Simon Schneider <simon-schneider@gmx.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa 2014-01-11 11:55:46 +01:00 committed by David S. Miller
parent 72c1d3bdd5
commit 825edac4e7
1 changed files with 4 additions and 1 deletions
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5
net/ipv6/icmp.c
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@ -67,6 +67,7 @@
#include <net/icmp.h> #include <net/icmp.h>
#include <net/xfrm.h> #include <net/xfrm.h>
#include <net/inet_common.h> #include <net/inet_common.h>
#include <net/dsfield.h>
#include <asm/uaccess.h> #include <asm/uaccess.h>
@ -553,6 +554,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
struct dst_entry *dst; struct dst_entry *dst;
int err = 0; int err = 0;
int hlimit; int hlimit;
u8 tclass;
saddr = &ipv6_hdr(skb)->daddr; saddr = &ipv6_hdr(skb)->daddr;
@ -603,8 +605,9 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
msg.offset = 0; msg.offset = 0;
msg.type = ICMPV6_ECHO_REPLY; msg.type = ICMPV6_ECHO_REPLY;
tclass = ipv6_get_dsfield(ipv6_hdr(skb));
err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr), err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr),
sizeof(struct icmp6hdr), hlimit, np->tclass, NULL, &fl6, sizeof(struct icmp6hdr), hlimit, tclass, NULL, &fl6,
(struct rt6_info *)dst, MSG_DONTWAIT, (struct rt6_info *)dst, MSG_DONTWAIT,
np->dontfrag); np->dontfrag);