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net-tc: make MAX_RECLASSIFY_LOOP local 

This field is no longer kept in tc_verd. Remove it from the global
definition of that struct.

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 17:06:34 -05:00 committed by David S. Miller
parent aec745e2c5
commit d6264071ce
2 changed files with 2 additions and 6 deletions
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5
include/uapi/linux/pkt_cls.h
View File

@ -17,9 +17,6 @@
/* verdict bit breakdown
*
bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
assume loop
bit 6,7: Where this packet was last seen
0: Above the transmit example at the socket level
1: on the Ingress
@ -48,8 +45,6 @@ bit 8: when set --> Request not to classify on ingress.
#define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
#define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
#define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
#define MAX_REC_LOOP 4
#endif
/* Action attributes */

3
net/sched/sch_api.c
View File

@ -1861,6 +1861,7 @@ int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
{
__be16 protocol = tc_skb_protocol(skb);
#ifdef CONFIG_NET_CLS_ACT
const int max_reclassify_loop = 4;
const struct tcf_proto *old_tp = tp;
int limit = 0;
@ -1885,7 +1886,7 @@ reclassify:
return TC_ACT_UNSPEC; /* signal: continue lookup */
#ifdef CONFIG_NET_CLS_ACT
reset:
if (unlikely(limit++ >= MAX_REC_LOOP)) {
if (unlikely(limit++ >= max_reclassify_loop)) {
net_notice_ratelimited("%s: reclassify loop, rule prio %u, protocol %02x\n",
tp->q->ops->id, tp->prio & 0xffff,
ntohs(tp->protocol));