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Commit d6264071 authored by Willem de Bruijn's avatar Willem de Bruijn Committed by David S. Miller
Browse files

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: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aec745e2

include/uapi/linux/pkt_cls.h

+0 −5
Original line number Diff line number Diff line
@@ -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 */

net/sched/sch_api.c

+2 −1
Original line number Diff line number Diff line
@@ -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 @@ int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp, 
	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));