diff options
| author | Hans Schillstrom <hans.schillstrom@ericsson.com> | 2010-11-19 14:25:14 +0100 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2010-11-25 10:42:59 +0900 |
| commit | b880c1f077000956b9f475d5f3b6c5e45ff2e342 (patch) | |
| tree | 07df0f04625897f0ca86ea302efe94ae2cd8a5d2 /net/netfilter/ipvs/ip_vs_ctl.c | |
| parent | 986a075795339c5ea1122ce9290dfd5504252eb0 (diff) | |
IPVS: Backup, adding version 0 sending capabilities
This patch adds a sysclt net.ipv4.vs.sync_version
that can be used to send sync msg in version 0 or 1 format.
sync_version value is logical,
Value 1 (default) New version
0 Plain old version
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_ctl.c')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index a5bd00279047..d12a13c497ba 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -92,7 +92,7 @@ int sysctl_ip_vs_nat_icmp_send = 0; int sysctl_ip_vs_conntrack; #endif int sysctl_ip_vs_snat_reroute = 1; - +int sysctl_ip_vs_sync_ver = 1; /* Default version of sync proto */ #ifdef CONFIG_IP_VS_DEBUG static int sysctl_ip_vs_debug_level = 0; @@ -1536,6 +1536,25 @@ proc_do_sync_threshold(ctl_table *table, int write, return rc; } +static int +proc_do_sync_mode(ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + int *valp = table->data; + int val = *valp; + int rc; + + rc = proc_dointvec(table, write, buffer, lenp, ppos); + if (write && (*valp != val)) { + if ((*valp < 0) || (*valp > 1)) { + /* Restore the correct value */ + *valp = val; + } else { + ip_vs_sync_switch_mode(val); + } + } + return rc; +} /* * IPVS sysctl table (under the /proc/sys/net/ipv4/vs/) @@ -1602,6 +1621,13 @@ static struct ctl_table vs_vars[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, + { + .procname = "sync_version", + .data = &sysctl_ip_vs_sync_ver, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_do_sync_mode, + }, #if 0 { .procname = "timeout_established", |