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net-tc: convert tc_at to tc_at_ingress

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Field tc_at is used only within tc actions to distinguish ingress from
egress processing. A single bit is sufficient for this purpose.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Willem de Bruijn
2017-01-07 17:06:37 -05:00
committed by David S. Miller
parent a5135bcfba
commit 8dc07fdbf2
4 changed files with 12 additions and 14 deletions
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8
net/core/dev.c
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@@ -3153,9 +3153,7 @@ sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev)
if (!cl)
return skb;
/* skb->tc_at and qdisc_skb_cb(skb)->pkt_len were already set
* earlier by the caller.
*/
/* qdisc_skb_cb(skb)->pkt_len was already set by the caller. */
qdisc_bstats_cpu_update(cl->q, skb);
switch (tc_classify(skb, cl, &cl_res, false)) {
@@ -3320,7 +3318,7 @@ static int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv)
qdisc_pkt_len_init(skb);
#ifdef CONFIG_NET_CLS_ACT
skb->tc_at = AT_EGRESS;
skb->tc_at_ingress = 0;
# ifdef CONFIG_NET_EGRESS
if (static_key_false(&egress_needed)) {
skb = sch_handle_egress(skb, &rc, dev);
@@ -3920,7 +3918,7 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
}
qdisc_skb_cb(skb)->pkt_len = skb->len;
skb->tc_at = AT_INGRESS;
skb->tc_at_ingress = 1;
qdisc_bstats_cpu_update(cl->q, skb);
switch (tc_classify(skb, cl, &cl_res, false)) {