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IPVS: Add {sysctl_sync_threshold,period}()

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In preparation for not including sysctl_sync_threshold in
struct netns_ipvs when CONFIG_SYCTL is not defined.

Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Simon Horman 2011-02-04 18:33:01 +09:00
parent 0cfa558e2c
commit 59e0350ead
4 changed files with 38 additions and 9 deletions
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29
include/net/ip_vs.h
View File

@ -909,6 +909,35 @@ struct netns_ipvs {
struct net *net; /* Needed by timer routines */
};
#define DEFAULT_SYNC_THRESHOLD 3
#define DEFAULT_SYNC_PERIOD 50
#ifdef CONFIG_SYSCTL
static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
{
return ipvs->sysctl_sync_threshold[0];
}
static inline int sysctl_sync_period(struct netns_ipvs *ipvs)
{
return ipvs->sysctl_sync_threshold[1];
}
#else
static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
{
return DEFAULT_SYNC_THRESHOLD;
}
static inline int sysctl_sync_period(struct netns_ipvs *ipvs)
{
return DEFAULT_SYNC_PERIOD;
}
#endif
/*
* IPVS core functions
* (from ip_vs_core.c)

10
net/netfilter/ipvs/ip_vs_core.c
View File

@ -1613,15 +1613,15 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
*/
if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
pkts = ipvs->sysctl_sync_threshold[0];
pkts = sysctl_sync_threshold(ipvs);
else
pkts = atomic_add_return(1, &cp->in_pkts);
if ((ipvs->sync_state & IP_VS_STATE_MASTER) &&
cp->protocol == IPPROTO_SCTP) {
if ((cp->state == IP_VS_SCTP_S_ESTABLISHED &&
(pkts % ipvs->sysctl_sync_threshold[1]
== ipvs->sysctl_sync_threshold[0])) ||
(pkts % sysctl_sync_period(ipvs)
== sysctl_sync_threshold(ipvs))) ||
(cp->old_state != cp->state &&
((cp->state == IP_VS_SCTP_S_CLOSED) ||
(cp->state == IP_VS_SCTP_S_SHUT_ACK_CLI) ||
@ -1635,8 +1635,8 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
else if ((ipvs->sync_state & IP_VS_STATE_MASTER) &&
(((cp->protocol != IPPROTO_TCP ||
cp->state == IP_VS_TCP_S_ESTABLISHED) &&
(pkts % ipvs->sysctl_sync_threshold[1]
== ipvs->sysctl_sync_threshold[0])) ||
(pkts % sysctl_sync_period(ipvs)
== sysctl_sync_threshold(ipvs))) ||
((cp->protocol == IPPROTO_TCP) && (cp->old_state != cp->state) &&
((cp->state == IP_VS_TCP_S_FIN_WAIT) ||
(cp->state == IP_VS_TCP_S_CLOSE) ||

4
net/netfilter/ipvs/ip_vs_ctl.c
View File

@ -3569,8 +3569,8 @@ int __net_init __ip_vs_control_init(struct net *net)
tbl[idx++].data = &ipvs->sysctl_cache_bypass;
tbl[idx++].data = &ipvs->sysctl_expire_nodest_conn;
tbl[idx++].data = &ipvs->sysctl_expire_quiescent_template;
ipvs->sysctl_sync_threshold[0] = 3;
ipvs->sysctl_sync_threshold[1] = 50;
ipvs->sysctl_sync_threshold[0] = DEFAULT_SYNC_THRESHOLD;
ipvs->sysctl_sync_threshold[1] = DEFAULT_SYNC_PERIOD;
tbl[idx].data = &ipvs->sysctl_sync_threshold;
tbl[idx++].maxlen = sizeof(ipvs->sysctl_sync_threshold);
tbl[idx++].data = &ipvs->sysctl_nat_icmp_send;

4
net/netfilter/ipvs/ip_vs_sync.c
View File

@ -650,7 +650,7 @@ void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp)
if (cp->flags & IP_VS_CONN_F_TEMPLATE) {
int pkts = atomic_add_return(1, &cp->in_pkts);
if (pkts % ipvs->sysctl_sync_threshold[1] != 1)
if (pkts % sysctl_sync_period(ipvs) != 1)
return;
}
goto sloop;
@ -794,7 +794,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
if (opt)
memcpy(&cp->in_seq, opt, sizeof(*opt));
atomic_set(&cp->in_pkts, ipvs->sysctl_sync_threshold[0]);
atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs));
cp->state = state;
cp->old_state = cp->state;
/*