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authorJakub Kicinski <jakub.kicinski@netronome.com>2018-01-24 12:54:21 -0800
committerDavid S. Miller <davem@davemloft.net>2018-01-24 16:01:10 -0500
commit1b0f80375c683a3baa0bba9b6f6d89cfb180f3dc (patch)
tree6c021d2ccc87460c217d9c25db2ad3cccd07212a /net/sched
parentea2059409ca1eac35607d194905cf2c6969b3921 (diff)
downloadlinux-1b0f80375c683a3baa0bba9b6f6d89cfb180f3dc.tar.bz2
cls_flower: propagate extack to delete callback
Propagate extack on removal of offloaded filter. Don't pass extack from error paths. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_flower.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 79aa5049f028..dc9acaafc0a8 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -218,12 +218,13 @@ static void fl_destroy_filter(struct rcu_head *head)
tcf_queue_work(&f->work);
}
-static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f)
+static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f,
+ struct netlink_ext_ack *extack)
{
struct tc_cls_flower_offload cls_flower = {};
struct tcf_block *block = tp->chain->block;
- tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, NULL);
+ tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack);
cls_flower.command = TC_CLSFLOWER_DESTROY;
cls_flower.cookie = (unsigned long) f;
@@ -255,7 +256,7 @@ static int fl_hw_replace_filter(struct tcf_proto *tp,
err = tc_setup_cb_call(block, &f->exts, TC_SETUP_CLSFLOWER,
&cls_flower, skip_sw);
if (err < 0) {
- fl_hw_destroy_filter(tp, f);
+ fl_hw_destroy_filter(tp, f, NULL);
return err;
} else if (err > 0) {
tcf_block_offload_inc(block, &f->flags);
@@ -282,14 +283,15 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
&cls_flower, false);
}
-static void __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f)
+static void __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f,
+ struct netlink_ext_ack *extack)
{
struct cls_fl_head *head = rtnl_dereference(tp->root);
idr_remove_ext(&head->handle_idr, f->handle);
list_del_rcu(&f->list);
if (!tc_skip_hw(f->flags))
- fl_hw_destroy_filter(tp, f);
+ fl_hw_destroy_filter(tp, f, extack);
tcf_unbind_filter(tp, &f->res);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, fl_destroy_filter);
@@ -321,7 +323,7 @@ static void fl_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)
struct cls_fl_filter *f, *next;
list_for_each_entry_safe(f, next, &head->filters, list)
- __fl_delete(tp, f);
+ __fl_delete(tp, f, extack);
idr_destroy(&head->handle_idr);
__module_get(THIS_MODULE);
@@ -958,7 +960,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
rhashtable_remove_fast(&head->ht, &fold->ht_node,
head->ht_params);
if (!tc_skip_hw(fold->flags))
- fl_hw_destroy_filter(tp, fold);
+ fl_hw_destroy_filter(tp, fold, NULL);
}
*arg = fnew;
@@ -997,7 +999,7 @@ static int fl_delete(struct tcf_proto *tp, void *arg, bool *last,
if (!tc_skip_sw(f->flags))
rhashtable_remove_fast(&head->ht, &f->ht_node,
head->ht_params);
- __fl_delete(tp, f);
+ __fl_delete(tp, f, extack);
*last = list_empty(&head->filters);
return 0;
}