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net: sched: cls_flower: propagate extack support for filter offload

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Propagate the extack pointer from the `->change()` classifier operation
to the function used for filter replacement in cls_flower. This makes it
possible to use netlink extack messages in the future at replacement
time for this filter, although it is not used at this point.

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Quentin Monnet 2018-01-19 17:44:43 -08:00 • committed by David S. Miller
parent 25a39f7f97
commit 41002038f9
1 changed files with 4 additions and 2 deletions
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6
net/sched/cls_flower.c
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@ -235,7 +235,8 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f)
static int fl_hw_replace_filter(struct tcf_proto *tp, static int fl_hw_replace_filter(struct tcf_proto *tp,
struct flow_dissector *dissector, struct flow_dissector *dissector,
struct fl_flow_key *mask, struct fl_flow_key *mask,
struct cls_fl_filter *f) struct cls_fl_filter *f,
struct netlink_ext_ack *extack)
{ {
struct tc_cls_flower_offload cls_flower = {}; struct tc_cls_flower_offload cls_flower = {};
struct tcf_block *block = tp->chain->block; struct tcf_block *block = tp->chain->block;
@ -943,7 +944,8 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
err = fl_hw_replace_filter(tp, err = fl_hw_replace_filter(tp,
&head->dissector, &head->dissector,
&mask.key, &mask.key,
fnew); fnew,
extack);
if (err) if (err)
goto errout_idr; goto errout_idr;
} }