redonkable/alistair23-linux
redonkable/alistair23-linux
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net: sched: cls_flower: use flow_dissector for ingress ifindex

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Use previously introduced infra to obtain and store ingress ifindex
instead doing it locally.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2019-06-19 09:41:03 +03:00 committed by David S. Miller
parent 82828b88f0
commit 8212ed777f
1 changed files with 8 additions and 6 deletions
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14
net/sched/cls_flower.c
View file

@ -27,7 +27,7 @@
#include <net/dst_metadata.h>
struct fl_flow_key {
int indev_ifindex;
struct flow_dissector_key_meta meta;
struct flow_dissector_key_control control;
struct flow_dissector_key_control enc_control;
struct flow_dissector_key_basic basic;
@ -284,7 +284,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
list_for_each_entry_rcu(mask, &head->masks, list) {
fl_clear_masked_range(&skb_key, mask);
skb_key.indev_ifindex = skb->skb_iif;
skb_flow_dissect_meta(skb, &mask->dissector, &skb_key);
/* skb_flow_dissect() does not set n_proto in case an unknown
* protocol, so do it rather here.
*/
@ -1026,8 +1026,8 @@ static int fl_set_key(struct net *net, struct nlattr **tb,
int err = tcf_change_indev(net, tb[TCA_FLOWER_INDEV], extack);
if (err < 0)
return err;
key->indev_ifindex = err;
mask->indev_ifindex = 0xffffffff;
key->meta.ingress_ifindex = err;
mask->meta.ingress_ifindex = 0xffffffff;
}
fl_set_key_val(tb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
@ -1281,6 +1281,8 @@ static void fl_init_dissector(struct flow_dissector *dissector,
struct flow_dissector_key keys[FLOW_DISSECTOR_KEY_MAX];
size_t cnt = 0;
FL_KEY_SET_IF_MASKED(mask, keys, cnt,
FLOW_DISSECTOR_KEY_META, meta);
FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_CONTROL, control);
FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_BASIC, basic);
FL_KEY_SET_IF_MASKED(mask, keys, cnt,
@ -2122,10 +2124,10 @@ static int fl_dump_key_enc_opt(struct sk_buff *skb,
static int fl_dump_key(struct sk_buff *skb, struct net *net,
struct fl_flow_key *key, struct fl_flow_key *mask)
{
if (mask->indev_ifindex) {
if (mask->meta.ingress_ifindex) {
struct net_device *dev;
dev = __dev_get_by_index(net, key->indev_ifindex);
dev = __dev_get_by_index(net, key->meta.ingress_ifindex);
if (dev && nla_put_string(skb, TCA_FLOWER_INDEV, dev->name))
goto nla_put_failure;
}