From a449a3e77a85fc8b31fef7238451dc87af8ff1af Mon Sep 17 00:00:00 2001 From: Vlad Buslov Date: Mon, 26 Aug 2019 16:45:00 +0300 Subject: net: sched: notify classifier on successful offload add/delete To remove dependency on rtnl lock, extend classifier ops with new ops->hw_add() and ops->hw_del() callbacks. Call them from cls API while holding cb_lock every time filter if successfully added to or deleted from hardware. Implement the new API in flower classifier. Use it to manage hw_filters list under cb_lock protection, instead of relying on rtnl lock to synchronize with concurrent fl_reoffload() call. Signed-off-by: Vlad Buslov Acked-by: Jiri Pirko Signed-off-by: David S. Miller --- include/net/sch_generic.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/net') diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index f90e3b2a3065..c4fbbaff30a2 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -312,6 +312,10 @@ struct tcf_proto_ops { int (*reoffload)(struct tcf_proto *tp, bool add, flow_setup_cb_t *cb, void *cb_priv, struct netlink_ext_ack *extack); + void (*hw_add)(struct tcf_proto *tp, + void *type_data); + void (*hw_del)(struct tcf_proto *tp, + void *type_data); void (*bind_class)(void *, u32, unsigned long); void * (*tmplt_create)(struct net *net, struct tcf_chain *chain, -- cgit v1.2.3-59-g8ed1b