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| author | Taehee Yoo <ap420073@gmail.com> | 2021-03-25 16:16:56 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-26 15:14:56 -0700 |
| commit | f185de28d9ae6c978135993769352e523ee8df06 (patch) | |
| tree | b1e12395c08baaa2a40006a9924775339c3d4713 /net/ipv6/icmp.c | |
| parent | 88e2ca3080947fe22eb520c1f8231e79a105d011 (diff) | |
| download | linux-rpi-f185de28d9ae6c978135993769352e523ee8df06.tar.gz linux-rpi-f185de28d9ae6c978135993769352e523ee8df06.tar.bz2 linux-rpi-f185de28d9ae6c978135993769352e523ee8df06.zip | |
mld: add new workqueues for process mld events
When query/report packets are received, mld module processes them.
But they are processed under BH context so it couldn't use sleepable
functions. So, in order to switch context, the two workqueues are
added which processes query and report event.
In the struct inet6_dev, mc_{query | report}_queue are added so it
is per-interface queue.
And mc_{query | report}_work are workqueue structure.
When the query or report event is received, skb is queued to proper
queue and worker function is scheduled immediately.
Workqueues and queues are protected by spinlock, which is
mc_{query | report}_lock, and worker functions are protected by RTNL.
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/icmp.c')
| -rw-r--r-- | net/ipv6/icmp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index fd1f896115c1..29d38d6b55fb 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -944,11 +944,11 @@ static int icmpv6_rcv(struct sk_buff *skb) case ICMPV6_MGM_QUERY: igmp6_event_query(skb); - break; + return 0; case ICMPV6_MGM_REPORT: igmp6_event_report(skb); - break; + return 0; case ICMPV6_MGM_REDUCTION: case ICMPV6_NI_QUERY: |