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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>
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Quentin Monnet authored and David S. Miller committed Jan 22, 2018
1 parent 25a39f7 commit 4100203
Showing 1 changed file with 4 additions and 2 deletions.
6 changes: 4 additions & 2 deletions net/sched/cls_flower.c
Original file line number Diff line number Diff line change
Expand Up @@ -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,
struct flow_dissector *dissector,
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 tcf_block *block = tp->chain->block;
Expand Down Expand Up @@ -943,7 +944,8 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
err = fl_hw_replace_filter(tp,
&head->dissector,
&mask.key,
fnew);
fnew,
extack);
if (err)
goto errout_idr;
}
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