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Code Issues Releases Activity

Do not limit the mbuf queue length for keepalive packets.

Browse Source 
It was unlimited before overhaul, and one user reported that this limit
can be reached easily.

PR:		233562
MFC after:	1 week
This commit is contained in:
Andrey V. Elsukov 2018-11-27 16:51:01 +00:00
parent a768df3e91
commit 2636ba4d03
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=341073
1 changed files with 2 additions and 3 deletions
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5
sys/netpfil/ipfw/ip_fw_dynamic.c
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@ -349,7 +349,6 @@ VNET_DEFINE_STATIC(uint32_t, dyn_short_lifetime);
* dyn_rst_lifetime and dyn_fin_lifetime should be strictly lower
* than dyn_keepalive_period.
*/
#define DYN_KEEPALIVE_MAXQ 512
VNET_DEFINE_STATIC(uint32_t, dyn_keepalive_interval);
VNET_DEFINE_STATIC(uint32_t, dyn_keepalive_period);
VNET_DEFINE_STATIC(uint32_t, dyn_keepalive);
@ -2351,7 +2350,7 @@ dyn_send_keepalive_ipv4(struct ip_fw_chain *chain)
struct dyn_ipv4_state *s;
uint32_t bucket;
mbufq_init(&q, DYN_KEEPALIVE_MAXQ);
mbufq_init(&q, INT_MAX);
IPFW_UH_RLOCK(chain);
/*
* It is safe to not use hazard pointer and just do lockless
@ -2458,7 +2457,7 @@ dyn_send_keepalive_ipv6(struct ip_fw_chain *chain)
struct dyn_ipv6_state *s;
uint32_t bucket;
mbufq_init(&q, DYN_KEEPALIVE_MAXQ);
mbufq_init(&q, INT_MAX);
IPFW_UH_RLOCK(chain);
/*
* It is safe to not use hazard pointer and just do lockless