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net: sched: take reference to action dev before calling offloads

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In order to remove dependency on rtnl lock when calling hardware offload
API, take reference to action mirred dev when initializing flow_action
structure in tc_setup_flow_action(). Implement function
tc_cleanup_flow_action(), use it to release the device after hardware
offload API is done using it.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Buslov
2019-08-26 16:45:04 +03:00
committed by David S. Miller
parent 9838b20a7f
commit 5a6ff4b13d
3 changed files with 36 additions and 0 deletions
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2
include/net/pkt_cls.h
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@@ -505,6 +505,8 @@ tcf_match_indev(struct sk_buff *skb, int ifindex)
int tc_setup_flow_action(struct flow_action *flow_action,
const struct tcf_exts *exts, bool rtnl_held);
void tc_cleanup_flow_action(struct flow_action *flow_action);
int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
void *type_data, bool err_stop, bool rtnl_held);
int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,