]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
mld: add new workqueues for process mld events
authorTaehee Yoo <ap420073@gmail.com>
Thu, 25 Mar 2021 16:16:56 +0000 (16:16 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 26 Mar 2021 22:14:56 +0000 (15:14 -0700)
commitf185de28d9ae6c978135993769352e523ee8df06
treeb1e12395c08baaa2a40006a9924775339c3d4713
parent88e2ca3080947fe22eb520c1f8231e79a105d011
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>
include/net/if_inet6.h
include/net/mld.h
net/ipv6/icmp.c
net/ipv6/mcast.c