From e1fc3b14f9a90d9591016749289f2c3d7b35fbf4 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Tue, 7 Aug 2012 07:29:57 +0000 Subject: sctp: Make sysctl tunables per net Signed-off-by: "Eric W. Biederman" Signed-off-by: David S. Miller --- net/sctp/sysctl.c | 185 ++++++++++++++++++++++++++++-------------------------- 1 file changed, 95 insertions(+), 90 deletions(-) (limited to 'net/sctp/sysctl.c') diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c index bee36c408dde..70e3ba5cb50b 100644 --- a/net/sctp/sysctl.c +++ b/net/sctp/sysctl.c @@ -63,9 +63,35 @@ extern int sysctl_sctp_rmem[3]; extern int sysctl_sctp_wmem[3]; static ctl_table sctp_table[] = { + { + .procname = "sctp_mem", + .data = &sysctl_sctp_mem, + .maxlen = sizeof(sysctl_sctp_mem), + .mode = 0644, + .proc_handler = proc_doulongvec_minmax + }, + { + .procname = "sctp_rmem", + .data = &sysctl_sctp_rmem, + .maxlen = sizeof(sysctl_sctp_rmem), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "sctp_wmem", + .data = &sysctl_sctp_wmem, + .maxlen = sizeof(sysctl_sctp_wmem), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + + { /* sentinel */ } +}; + +static ctl_table sctp_net_table[] = { { .procname = "rto_initial", - .data = &sctp_rto_initial, + .data = &init_net.sctp.rto_initial, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, @@ -74,7 +100,7 @@ static ctl_table sctp_table[] = { }, { .procname = "rto_min", - .data = &sctp_rto_min, + .data = &init_net.sctp.rto_min, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, @@ -83,7 +109,7 @@ static ctl_table sctp_table[] = { }, { .procname = "rto_max", - .data = &sctp_rto_max, + .data = &init_net.sctp.rto_max, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, @@ -91,17 +117,22 @@ static ctl_table sctp_table[] = { .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 = "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 = &sctp_max_burst, + .data = &init_net.sctp.max_burst, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, @@ -109,31 +140,42 @@ static ctl_table sctp_table[] = { .extra2 = &int_max }, { - .procname = "association_max_retrans", - .data = &sctp_max_retrans_association, + .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 = &int_max + .extra1 = &one, + .extra2 = &timer_max }, { - .procname = "sndbuf_policy", - .data = &sctp_sndbuf_policy, + .procname = "sack_timeout", + .data = &init_net.sctp.sack_timeout, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = proc_dointvec_minmax, + .extra1 = &sack_timer_min, + .extra2 = &sack_timer_max, }, { - .procname = "rcvbuf_policy", - .data = &sctp_rcvbuf_policy, - .maxlen = sizeof(int), + .procname = "hb_interval", + .data = &init_net.sctp.hb_interval, + .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = proc_dointvec_minmax, + .extra1 = &one, + .extra2 = &timer_max }, { - .procname = "path_max_retrans", - .data = &sctp_max_retrans_path, + .procname = "association_max_retrans", + .data = &init_net.sctp.max_retrans_association, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, @@ -141,17 +183,17 @@ static ctl_table sctp_table[] = { .extra2 = &int_max }, { - .procname = "pf_retrans", - .data = &sctp_pf_retrans, + .procname = "path_max_retrans", + .data = &init_net.sctp.max_retrans_path, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, + .extra1 = &one, .extra2 = &int_max }, { .procname = "max_init_retransmits", - .data = &sctp_max_retrans_init, + .data = &init_net.sctp.max_retrans_init, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, @@ -159,103 +201,66 @@ static ctl_table sctp_table[] = { .extra2 = &int_max }, { - .procname = "hb_interval", - .data = &sctp_hb_interval, - .maxlen = sizeof(unsigned int), + .procname = "pf_retrans", + .data = &init_net.sctp.pf_retrans, + .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &one, - .extra2 = &timer_max + .extra1 = &zero, + .extra2 = &int_max }, { - .procname = "cookie_preserve_enable", - .data = &sctp_cookie_preserve_enable, + .procname = "sndbuf_policy", + .data = &init_net.sctp.sndbuf_policy, .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, + .procname = "rcvbuf_policy", + .data = &init_net.sctp.rcvbuf_policy, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "default_auto_asconf", - .data = &sctp_default_auto_asconf, + .data = &init_net.sctp.default_auto_asconf, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { - .procname = "prsctp_enable", - .data = &sctp_prsctp_enable, + .procname = "addip_enable", + .data = &init_net.sctp.addip_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { - .procname = "sack_timeout", - .data = &sctp_sack_timeout, + .procname = "addip_noauth_enable", + .data = &init_net.sctp.addip_noauth, .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), - .mode = 0644, - .proc_handler = proc_doulongvec_minmax - }, - { - .procname = "sctp_rmem", - .data = &sysctl_sctp_rmem, - .maxlen = sizeof(sysctl_sctp_rmem), - .mode = 0644, .proc_handler = proc_dointvec, }, { - .procname = "sctp_wmem", - .data = &sysctl_sctp_wmem, - .maxlen = sizeof(sysctl_sctp_wmem), - .mode = 0644, - .proc_handler = proc_dointvec, - }, - { - .procname = "auth_enable", - .data = &sctp_auth_enable, + .procname = "prsctp_enable", + .data = &init_net.sctp.prsctp_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { - .procname = "addip_noauth_enable", - .data = &sctp_addip_noauth, + .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 @@ static ctl_table sctp_table[] = { }, { .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 @@ static ctl_table sctp_table[] = { }, { .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 @@ static ctl_table sctp_table[] = { { /* 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; } -- cgit v1.2.3