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net: sched: cls_u32: 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_u32. 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 17:44:45 -08:00 committed by David S. Miller
parent 0279814055
commit 10a47e0f09
1 changed files with 5 additions and 5 deletions
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10
net/sched/cls_u32.c
View file

@ -501,7 +501,7 @@ static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h)
}
static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h,
u32 flags)
u32 flags, struct netlink_ext_ack *extack)
{
struct tcf_block *block = tp->chain->block;
struct tc_cls_u32_offload cls_u32 = {};
@ -543,7 +543,7 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n)
}
static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n,
u32 flags)
u32 flags, struct netlink_ext_ack *extack)
{
struct tcf_block *block = tp->chain->block;
struct tc_cls_u32_offload cls_u32 = {};
@ -965,7 +965,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
return err;
}
err = u32_replace_hw_knode(tp, new, flags);
err = u32_replace_hw_knode(tp, new, flags, extack);
if (err) {
u32_destroy_key(tp, new, false);
return err;
@ -1016,7 +1016,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
ht->prio = tp->prio;
idr_init(&ht->handle_idr);
err = u32_replace_hw_hnode(tp, ht, flags);
err = u32_replace_hw_hnode(tp, ht, flags, extack);
if (err) {
idr_remove_ext(&tp_c->handle_idr, handle);
kfree(ht);
@ -1122,7 +1122,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
struct tc_u_knode __rcu **ins;
struct tc_u_knode *pins;
err = u32_replace_hw_knode(tp, n, flags);
err = u32_replace_hw_knode(tp, n, flags, extack);
if (err)
goto errhw;