diff options
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_sh.c')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_sh.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_sh.c b/net/netfilter/ipvs/ip_vs_sh.c index 33815f4fb451..069e8d4d5c01 100644 --- a/net/netfilter/ipvs/ip_vs_sh.c +++ b/net/netfilter/ipvs/ip_vs_sh.c @@ -30,6 +30,11 @@ * server is dead or overloaded, the load balancer can bypass the cache * server and send requests to the original server directly. * + * The weight destination attribute can be used to control the + * distribution of connections to the destinations in servernode. The + * greater the weight, the more connections the destination + * will receive. + * */ #define KMSG_COMPONENT "IPVS" @@ -99,9 +104,11 @@ ip_vs_sh_assign(struct ip_vs_sh_bucket *tbl, struct ip_vs_service *svc) struct ip_vs_sh_bucket *b; struct list_head *p; struct ip_vs_dest *dest; + int d_count; b = tbl; p = &svc->destinations; + d_count = 0; for (i=0; i<IP_VS_SH_TAB_SIZE; i++) { if (list_empty(p)) { b->dest = NULL; @@ -113,7 +120,16 @@ ip_vs_sh_assign(struct ip_vs_sh_bucket *tbl, struct ip_vs_service *svc) atomic_inc(&dest->refcnt); b->dest = dest; - p = p->next; + IP_VS_DBG_BUF(6, "assigned i: %d dest: %s weight: %d\n", + i, IP_VS_DBG_ADDR(svc->af, &dest->addr), + atomic_read(&dest->weight)); + + /* Don't move to next dest until filling weight */ + if (++d_count >= atomic_read(&dest->weight)) { + p = p->next; + d_count = 0; + } + } b++; } |