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net/sched: remove two skb_mac_header() uses

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tcf_mirred_act() and tcf_mpls_act() can use skb_network_offset()
instead of relying on skb_mac_header().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2023-03-21 16:45:19 +00:00
committed by Jakub Kicinski
parent e495a9673c
commit b3be94885a
2 changed files with 2 additions and 2 deletions
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2
net/sched/act_mirred.c
View File

@@ -295,7 +295,7 @@ TC_INDIRECT_SCOPE int tcf_mirred_act(struct sk_buff *skb,
at_nh = skb->data == skb_network_header(skb);
if (at_nh != expects_nh) {
mac_len = skb_at_tc_ingress(skb) ? skb->mac_len :
skb_network_header(skb) - skb_mac_header(skb);
skb_network_offset(skb);
if (expects_nh) {
/* target device/action expect data at nh */
skb_pull_rcsum(skb2, mac_len);

2
net/sched/act_mpls.c
View File

@@ -69,7 +69,7 @@ TC_INDIRECT_SCOPE int tcf_mpls_act(struct sk_buff *skb,
skb_push_rcsum(skb, skb->mac_len);
mac_len = skb->mac_len;
} else {
mac_len = skb_network_header(skb) - skb_mac_header(skb);
mac_len = skb_network_offset(skb);
}
ret = READ_ONCE(m->tcf_action);