sctp: Make sysctl tunables per net
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index bee36c4..70e3ba5 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -64,161 +64,6 @@
static ctl_table sctp_table[] = {
{
- .procname = "rto_initial",
- .data = &sctp_rto_initial,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
- },
- {
- .procname = "rto_min",
- .data = &sctp_rto_min,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
- },
- {
- .procname = "rto_max",
- .data = &sctp_rto_max,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
- },
- {
- .procname = "valid_cookie_life",
- .data = &sctp_valid_cookie_life,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
- },
- {
- .procname = "max_burst",
- .data = &sctp_max_burst,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &int_max
- },
- {
- .procname = "association_max_retrans",
- .data = &sctp_max_retrans_association,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
- },
- {
- .procname = "sndbuf_policy",
- .data = &sctp_sndbuf_policy,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "rcvbuf_policy",
- .data = &sctp_rcvbuf_policy,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "path_max_retrans",
- .data = &sctp_max_retrans_path,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
- },
- {
- .procname = "pf_retrans",
- .data = &sctp_pf_retrans,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &int_max
- },
- {
- .procname = "max_init_retransmits",
- .data = &sctp_max_retrans_init,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
- },
- {
- .procname = "hb_interval",
- .data = &sctp_hb_interval,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
- },
- {
- .procname = "cookie_preserve_enable",
- .data = &sctp_cookie_preserve_enable,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "rto_alpha_exp_divisor",
- .data = &sctp_rto_alpha,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "rto_beta_exp_divisor",
- .data = &sctp_rto_beta,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "addip_enable",
- .data = &sctp_addip_enable,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "default_auto_asconf",
- .data = &sctp_default_auto_asconf,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "prsctp_enable",
- .data = &sctp_prsctp_enable,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "sack_timeout",
- .data = &sctp_sack_timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &sack_timer_min,
- .extra2 = &sack_timer_max,
- },
- {
.procname = "sctp_mem",
.data = &sysctl_sctp_mem,
.maxlen = sizeof(sysctl_sctp_mem),
@@ -239,23 +84,183 @@
.mode = 0644,
.proc_handler = proc_dointvec,
},
+
+ { /* sentinel */ }
+};
+
+static ctl_table sctp_net_table[] = {
{
- .procname = "auth_enable",
- .data = &sctp_auth_enable,
+ .procname = "rto_initial",
+ .data = &init_net.sctp.rto_initial,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &timer_max
+ },
+ {
+ .procname = "rto_min",
+ .data = &init_net.sctp.rto_min,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &timer_max
+ },
+ {
+ .procname = "rto_max",
+ .data = &init_net.sctp.rto_max,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &timer_max
+ },
+ {
+ .procname = "rto_alpha_exp_divisor",
+ .data = &init_net.sctp.rto_alpha,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "rto_beta_exp_divisor",
+ .data = &init_net.sctp.rto_beta,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "max_burst",
+ .data = &init_net.sctp.max_burst,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &int_max
+ },
+ {
+ .procname = "cookie_preserve_enable",
+ .data = &init_net.sctp.cookie_preserve_enable,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "valid_cookie_life",
+ .data = &init_net.sctp.valid_cookie_life,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &timer_max
+ },
+ {
+ .procname = "sack_timeout",
+ .data = &init_net.sctp.sack_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &sack_timer_min,
+ .extra2 = &sack_timer_max,
+ },
+ {
+ .procname = "hb_interval",
+ .data = &init_net.sctp.hb_interval,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &timer_max
+ },
+ {
+ .procname = "association_max_retrans",
+ .data = &init_net.sctp.max_retrans_association,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &int_max
+ },
+ {
+ .procname = "path_max_retrans",
+ .data = &init_net.sctp.max_retrans_path,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &int_max
+ },
+ {
+ .procname = "max_init_retransmits",
+ .data = &init_net.sctp.max_retrans_init,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &int_max
+ },
+ {
+ .procname = "pf_retrans",
+ .data = &init_net.sctp.pf_retrans,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &int_max
+ },
+ {
+ .procname = "sndbuf_policy",
+ .data = &init_net.sctp.sndbuf_policy,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "rcvbuf_policy",
+ .data = &init_net.sctp.rcvbuf_policy,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "default_auto_asconf",
+ .data = &init_net.sctp.default_auto_asconf,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "addip_enable",
+ .data = &init_net.sctp.addip_enable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "addip_noauth_enable",
- .data = &sctp_addip_noauth,
+ .data = &init_net.sctp.addip_noauth,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "prsctp_enable",
+ .data = &init_net.sctp.prsctp_enable,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "auth_enable",
+ .data = &init_net.sctp.auth_enable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "addr_scope_policy",
- .data = &sctp_scope_policy,
+ .data = &init_net.sctp.scope_policy,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
@@ -264,7 +269,7 @@
},
{
.procname = "rwnd_update_shift",
- .data = &sctp_rwnd_upd_shift,
+ .data = &init_net.sctp.rwnd_upd_shift,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_minmax,
@@ -273,7 +278,7 @@
},
{
.procname = "max_autoclose",
- .data = &sctp_max_autoclose,
+ .data = &init_net.sctp.max_autoclose,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = &proc_doulongvec_minmax,
@@ -284,18 +289,18 @@
{ /* sentinel */ }
};
-static ctl_table sctp_net_table[] = {
- { /* sentinel */ }
-};
-
int sctp_sysctl_net_register(struct net *net)
{
struct ctl_table *table;
+ int i;
table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL);
if (!table)
return -ENOMEM;
+ for (i = 0; table[i].data; i++)
+ table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
+
net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
return 0;
}