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Commit a2914205 authored by Jon Grimm's avatar Jon Grimm
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[SCTP] Add ASSOCINFO and RTOINFO sockopts. (Ryan Layer and Anup Pemmaiah) 

Submitted by pemmaiah@cc.usu.edu and rmlayer@us.ibm.com.
parent 17ce2cae
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Showing with 312 additions and 48 deletions
include/net/sctp/structs.h
View file @ a2914205
......@@ -43,6 +43,8 @@
* Daisy Chang <daisyc@us.ibm.com>
* Dajiang Zhang <dajiang.zhang@nokia.com>
* Ardelle Fan <ardelle.fan@intel.com>
* Ryan Layer <rmlayer@us.ibm.com>
* Anup Pemmaiah <pemmaiah@cc.usu.edu>
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
......@@ -324,6 +326,7 @@ struct sctp_opt {
struct sctp_rtoinfo rtoinfo;
struct sctp_paddrparams paddrparam;
struct sctp_event_subscribe subscribe;
struct sctp_assocparams assocparams;
int user_frag;
__u32 autoclose;
__u8 nodelay;
......@@ -1410,12 +1413,6 @@ struct sctp_association {
*/
int overall_error_count;
/* Overall : The threshold for this association that if
* Error : the Overall Error Count reaches will cause
* Threshold : this association to be torn down.
*/
int overall_error_threshold;
/* These are the association's initial, max, and min RTO values.
* These values will be initialized by system defaults, but can
* be modified via the SCTP_RTOINFO socket option.
......
include/net/sctp/user.h
View file @ a2914205
......@@ -40,6 +40,7 @@
* Karl Knutson <karl@athena.chicago.il.us>
* Jon Grimm <jgrimm@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Ryan Layer <rmlayer@us.ibm.com>
*
*
* Any bugs reported given to us we will try to fix... any fixes shared will
......@@ -517,11 +518,14 @@ struct sctp_rtoinfo {
*/
struct sctp_assocparams {
__u16 sasoc_asocmaxrxt;
sctp_assoc_t sasoc_assoc_id;
__u16 sasoc_asocmaxrxt;
__u16 sasoc_number_peer_destinations;
__u32 sasoc_peer_rwnd;
__u32 sasoc_local_rwnd;
__u32 sasoc_cookie_life;
};
/*
* 7.1.9 Set Primary Address (SCTP_SET_PRIMARY_ADDR)
*
......
net/sctp/associola.c
View file @ a2914205
......@@ -41,6 +41,7 @@
* Hui Huang <hui.huang@nokia.com>
* Sridhar Samudrala <sri@us.ibm.com>
* Daisy Chang <daisyc@us.ibm.com>
* Ryan Layer <rmlayer@us.ibm.com>
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
......@@ -127,21 +128,23 @@ struct sctp_association *sctp_association_init(struct sctp_association *asoc,
asoc->state = SCTP_STATE_CLOSED;
asoc->state_timestamp = jiffies;
/* Set things that have constant value. */
asoc->cookie_life.tv_sec = sctp_valid_cookie_life / HZ;
asoc->cookie_life.tv_usec = (sctp_valid_cookie_life % HZ) *
1000000L / HZ;
/* Set these values from the socket values, a conversion between
* millsecons to seconds/microseconds must also be done.
*/
asoc->cookie_life.tv_sec = sp->assocparams.sasoc_cookie_life / 1000;
asoc->cookie_life.tv_usec = (sp->assocparams.sasoc_cookie_life % 1000)
* 1000;
asoc->pmtu = 0;
asoc->frag_point = 0;
/* Initialize the default association max_retrans and RTO values. */
asoc->max_retrans = sctp_max_retrans_association;
asoc->rto_initial = sctp_rto_initial;
asoc->rto_max = sctp_rto_max;
asoc->rto_min = sctp_rto_min;
/* Set the association max_retrans and RTO values from the
* socket values.
*/
asoc->max_retrans = sp->assocparams.sasoc_asocmaxrxt;
asoc->rto_initial = sp->rtoinfo.srto_initial * HZ / 1000;
asoc->rto_max = sp->rtoinfo.srto_max * HZ / 1000;
asoc->rto_min = sp->rtoinfo.srto_min * HZ / 1000;
asoc->overall_error_threshold = asoc->max_retrans;
asoc->overall_error_count = 0;
/* Initialize the maximum mumber of new data packets that can be sent
......@@ -164,7 +167,8 @@ struct sctp_association *sctp_association_init(struct sctp_association *asoc,
asoc->c.sinit_max_instreams = sp->initmsg.sinit_max_instreams;
asoc->c.sinit_num_ostreams = sp->initmsg.sinit_num_ostreams;
asoc->max_init_attempts = sp->initmsg.sinit_max_attempts;
asoc->max_init_timeo = sp->initmsg.sinit_max_init_timeo * HZ;
asoc->max_init_timeo = sp->initmsg.sinit_max_init_timeo * HZ / 1000;
/* Allocate storage for the ssnmap after the inbound and outbound
* streams have been negotiated during Init.
......@@ -491,9 +495,14 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
/* Initialize the peer's heartbeat interval based on the
* sock configured value.
*/
peer->hb_interval = sp->paddrparam.spp_hbinterval * HZ;
/* Set the path max_retrans. */
peer->max_retrans = asoc->max_retrans;
/* Set the transport's RTO.initial value */
peer->rto = asoc->rto_initial;
/* Attach the remote transport to our asoc. */
list_add_tail(&peer->transports, &asoc->peer.transport_addr_list);
......
net/sctp/endpointola.c
View file @ a2914205
......@@ -129,7 +129,7 @@ struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
SCTP_DEFAULT_TIMEOUT_T1_INIT;
ep->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] =
sp->rtoinfo.srto_initial;
sp->rtoinfo.srto_initial * HZ / 1000;
ep->timeouts[SCTP_EVENT_TIMEOUT_T3_RTX] = 0;
/* sctpimpguide-05 Section 2.12.2
......@@ -137,7 +137,7 @@ struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
* recommended value of 5 times 'RTO.Max'.
*/
ep->timeouts[SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]
= 5 * sp->rtoinfo.srto_max;
= 5 * (sp->rtoinfo.srto_max * HZ / 1000);
ep->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] =
SCTP_DEFAULT_TIMEOUT_HEARTBEAT;
......
net/sctp/sm_statefuns.c
View file @ a2914205
......@@ -45,6 +45,7 @@
* Dajiang Zhang <dajiang.zhang@nokia.com>
* Daisy Chang <daisyc@us.ibm.com>
* Ardelle Fan <ardelle.fan@intel.com>
* Ryan Layer <rmlayer@us.ibm.com>
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
......@@ -738,7 +739,7 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
{
struct sctp_transport *transport = (struct sctp_transport *) arg;
if (asoc->overall_error_count > asoc->overall_error_threshold) {
if (asoc->overall_error_count > asoc->max_retrans) {
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
......@@ -1866,7 +1867,7 @@ sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
* yield a higher probability of success on the reattempt.
*/
stale = ntohl(*(suseconds_t *)((u8 *)err + sizeof(sctp_errhdr_t)));
stale = stale << 1 / 1000;
stale = (stale * 2) / 1000;
bht.param_hdr.type = SCTP_PARAM_COOKIE_PRESERVATIVE;
bht.param_hdr.length = htons(sizeof(bht));
......@@ -4070,7 +4071,7 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
{
struct sctp_transport *transport = arg;
if (asoc->overall_error_count >= asoc->overall_error_threshold) {
if (asoc->overall_error_count >= asoc->max_retrans) {
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
......@@ -4241,7 +4242,7 @@ sctp_disposition_t sctp_sf_t2_timer_expire(const struct sctp_endpoint *ep,
struct sctp_chunk *reply = NULL;
SCTP_DEBUG_PRINTK("Timer T2 expired.\n");
if (asoc->overall_error_count >= asoc->overall_error_threshold) {
if (asoc->overall_error_count >= asoc->max_retrans) {
/* Note: CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_U32(SCTP_ERROR_NO_ERROR));
......
net/sctp/socket.c
View file @ a2914205
This diff is collapsed.
net/sctp/sysctl.c
View file @ a2914205
......@@ -128,19 +128,23 @@ static ctl_table sctp_table[] = {
.ctl_name = NET_SCTP_HB_INTERVAL,
.procname = "hb_interval",
.data = &sctp_hb_interval,
.maxlen = sizeof(int),
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies
.proc_handler = &proc_doulongvec_ms_jiffies_minmax,
.strategy = &sctp_sysctl_jiffies_ms,
.extra1 = &rto_timer_min,
.extra2 = &rto_timer_max
},
{
.ctl_name = NET_SCTP_PRESERVE_ENABLE,
.procname = "cookie_preserve_enable",
.data = &sctp_cookie_preserve_enable,
.maxlen = sizeof(int),
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies
.proc_handler = &proc_doulongvec_ms_jiffies_minmax,
.strategy = &sctp_sysctl_jiffies_ms,
.extra1 = &rto_timer_min,
.extra2 = &rto_timer_max
},
{
.ctl_name = NET_SCTP_RTO_ALPHA,
......
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