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ipv6: add priority parameter to ip6_xmit()

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Currently, ip6_xmit() sets skb->priority based on sk->sk_priority

This is not desirable for TCP since TCP shares the same ctl socket
for a given netns. We want to be able to send RST or ACK packets
with a non zero skb->priority.

This patch has no functional change.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2019-09-24 08:01:14 -07:00
committed by David S. Miller
parent 2b6fd3ea43
commit 4f6570d720
6 changed files with 12 additions and 9 deletions
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2
include/net/ipv6.h
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@@ -981,7 +981,7 @@ int ip6_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb);
* upper-layer output functions
*/
int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
__u32 mark, struct ipv6_txoptions *opt, int tclass);
__u32 mark, struct ipv6_txoptions *opt, int tclass, u32 priority);
int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);