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sctp: Make sysctl tunables per net

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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman
2012-08-07 07:29:57 +00:00
committed by David S. Miller
parent f53b5b097e
commit e1fc3b14f9
14 changed files with 430 additions and 419 deletions
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65
net/sctp/socket.c
View File

@ -516,6 +516,7 @@ static int sctp_send_asconf_add_ip(struct sock *sk,
struct sockaddr *addrs,
int addrcnt)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
@ -530,7 +531,7 @@ static int sctp_send_asconf_add_ip(struct sock *sk,
int i;
int retval = 0;
if (!sctp_addip_enable)
if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
@ -718,6 +719,7 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
struct sockaddr *addrs,
int addrcnt)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
@ -733,7 +735,7 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
int stored = 0;
chunk = NULL;
if (!sctp_addip_enable)
if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
@ -3039,6 +3041,7 @@ static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, unsigned
static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_association *asoc = NULL;
struct sctp_setpeerprim prim;
@ -3048,7 +3051,7 @@ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optva
sp = sctp_sk(sk);
if (!sctp_addip_enable)
if (!net->sctp.addip_enable)
return -EPERM;
if (optlen != sizeof(struct sctp_setpeerprim))
@ -3285,9 +3288,10 @@ static int sctp_setsockopt_auth_chunk(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunk val;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authchunk))
@ -3317,11 +3321,12 @@ static int sctp_setsockopt_hmac_ident(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_hmacalgo *hmacs;
u32 idents;
int err;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen < sizeof(struct sctp_hmacalgo))
@ -3354,11 +3359,12 @@ static int sctp_setsockopt_auth_key(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkey *authkey;
struct sctp_association *asoc;
int ret;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen <= sizeof(struct sctp_authkey))
@ -3395,10 +3401,11 @@ static int sctp_setsockopt_active_key(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authkeyid))
@ -3423,10 +3430,11 @@ static int sctp_setsockopt_del_key(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authkeyid))
@ -3849,6 +3857,7 @@ out:
*/
SCTP_STATIC int sctp_init_sock(struct sock *sk)
{
struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
struct sctp_sock *sp;
@ -3878,7 +3887,7 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
sp->default_timetolive = 0;
sp->default_rcv_context = 0;
sp->max_burst = sctp_max_burst;
sp->max_burst = net->sctp.max_burst;
/* Initialize default setup parameters. These parameters
* can be modified with the SCTP_INITMSG socket option or
@ -3886,24 +3895,24 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
*/
sp->initmsg.sinit_num_ostreams = sctp_max_outstreams;
sp->initmsg.sinit_max_instreams = sctp_max_instreams;
sp->initmsg.sinit_max_attempts = sctp_max_retrans_init;
sp->initmsg.sinit_max_init_timeo = sctp_rto_max;
sp->initmsg.sinit_max_attempts = net->sctp.max_retrans_init;
sp->initmsg.sinit_max_init_timeo = net->sctp.rto_max;
/* Initialize default RTO related parameters. These parameters can
* be modified for with the SCTP_RTOINFO socket option.
*/
sp->rtoinfo.srto_initial = sctp_rto_initial;
sp->rtoinfo.srto_max = sctp_rto_max;
sp->rtoinfo.srto_min = sctp_rto_min;
sp->rtoinfo.srto_initial = net->sctp.rto_initial;
sp->rtoinfo.srto_max = net->sctp.rto_max;
sp->rtoinfo.srto_min = net->sctp.rto_min;
/* Initialize default association related parameters. These parameters
* can be modified with the SCTP_ASSOCINFO socket option.
*/
sp->assocparams.sasoc_asocmaxrxt = sctp_max_retrans_association;
sp->assocparams.sasoc_asocmaxrxt = net->sctp.max_retrans_association;
sp->assocparams.sasoc_number_peer_destinations = 0;
sp->assocparams.sasoc_peer_rwnd = 0;
sp->assocparams.sasoc_local_rwnd = 0;
sp->assocparams.sasoc_cookie_life = sctp_valid_cookie_life;
sp->assocparams.sasoc_cookie_life = net->sctp.valid_cookie_life;
/* Initialize default event subscriptions. By default, all the
* options are off.
@ -3913,10 +3922,10 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
/* Default Peer Address Parameters. These defaults can
* be modified via SCTP_PEER_ADDR_PARAMS
*/
sp->hbinterval = sctp_hb_interval;
sp->pathmaxrxt = sctp_max_retrans_path;
sp->hbinterval = net->sctp.hb_interval;
sp->pathmaxrxt = net->sctp.max_retrans_path;
sp->pathmtu = 0; // allow default discovery
sp->sackdelay = sctp_sack_timeout;
sp->sackdelay = net->sctp.sack_timeout;
sp->sackfreq = 2;
sp->param_flags = SPP_HB_ENABLE |
SPP_PMTUD_ENABLE |
@ -3967,10 +3976,10 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
local_bh_disable();
percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
if (sctp_default_auto_asconf) {
sock_prot_inuse_add(net, sk->sk_prot, 1);
if (net->sctp.default_auto_asconf) {
list_add_tail(&sp->auto_asconf_list,
&sock_net(sk)->sctp.auto_asconf_splist);
&net->sctp.auto_asconf_splist);
sp->do_auto_asconf = 1;
} else
sp->do_auto_asconf = 0;
@ -5307,12 +5316,13 @@ static int sctp_getsockopt_maxburst(struct sock *sk, int len,
static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_hmacalgo __user *p = (void __user *)optval;
struct sctp_hmac_algo_param *hmacs;
__u16 data_len = 0;
u32 num_idents;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
hmacs = sctp_sk(sk)->ep->auth_hmacs_list;
@ -5336,10 +5346,11 @@ static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,
static int sctp_getsockopt_active_key(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authkeyid))
@ -5368,6 +5379,7 @@ static int sctp_getsockopt_active_key(struct sock *sk, int len,
static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
@ -5375,7 +5387,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
u32 num_chunks = 0;
char __user *to;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
@ -5411,6 +5423,7 @@ num:
static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
@ -5418,7 +5431,7 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
u32 num_chunks = 0;
char __user *to;
if (!sctp_auth_enable)
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))