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flow_dissector: Add flags argument to skb_flow_dissector functions

Browse source 
The flags argument will allow control of the dissection process (for
instance whether to parse beyond L3).

Signed-off-by: Tom Herbert <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Tom Herbert 2015-09-01 09:24:27 -07:00 • committed by David S. Miller
commit cd79a2382a
9 changed files with 23 additions and 19 deletions
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2
net/sched/cls_flow.c
View file

@ -301,7 +301,7 @@ static int flow_classify(struct sk_buff *skb, const struct tcf_proto *tp,
keymask = f->keymask;
if (keymask & FLOW_KEYS_NEEDED)
skb_flow_dissect_flow_keys(skb, &flow_keys);
skb_flow_dissect_flow_keys(skb, &flow_keys, 0);
for (n = 0; n < f->nkeys; n++) {
key = ffs(keymask) - 1;

2
net/sched/cls_flower.c
View file

@ -129,7 +129,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
* so do it rather here.
*/
skb_key.basic.n_proto = skb->protocol;
skb_flow_dissect(skb, &head->dissector, &skb_key);
skb_flow_dissect(skb, &head->dissector, &skb_key, 0);
fl_set_masked_key(&skb_mkey, &skb_key, &head->mask);

4
net/sched/sch_choke.c
View file

@ -170,13 +170,13 @@ static bool choke_match_flow(struct sk_buff *skb1,
if (!choke_skb_cb(skb1)->keys_valid) {
choke_skb_cb(skb1)->keys_valid = 1;
skb_flow_dissect_flow_keys(skb1, &temp);
skb_flow_dissect_flow_keys(skb1, &temp, 0);
make_flow_keys_digest(&choke_skb_cb(skb1)->keys, &temp);
}
if (!choke_skb_cb(skb2)->keys_valid) {
choke_skb_cb(skb2)->keys_valid = 1;
skb_flow_dissect_flow_keys(skb2, &temp);
skb_flow_dissect_flow_keys(skb2, &temp, 0);
make_flow_keys_digest(&choke_skb_cb(skb2)->keys, &temp);
}