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[SCTP]: Update SCTP_PEER_ADDR_PARAMS socket option to the latest api draft.

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This patch adds support to set/get heartbeat interval, maximum number of
retransmissions, pathmtu, sackdelay time for a particular transport/
association/socket as per the latest SCTP sockets api draft11.

Signed-off-by: Frank Filz <ffilz@us.ibm.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Frank Filz
2005-12-22 11:36:46 -08:00
committed by David S. Miller
parent fd9662555c
commit 52ccb8e90c
9 changed files with 602 additions and 227 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
include/net/sctp/structs.h
View File

@@ -277,6 +277,24 @@ struct sctp_sock {
__u32 default_context;
__u32 default_timetolive;
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval. This value
* will be inherited by all new associations.
*/
__u32 hbinterval;
/* This is the max_retrans value for new associations. */
__u16 pathmaxrxt;
/* The initial Path MTU to use for new associations. */
__u32 pathmtu;
/* The default SACK delay timeout for new associations. */
__u32 sackdelay;
/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
__u32 param_flags;
struct sctp_initmsg initmsg;
struct sctp_rtoinfo rtoinfo;
struct sctp_paddrparams paddrparam;
@@ -845,9 +863,6 @@ struct sctp_transport {
/* Data that has been sent, but not acknowledged. */
__u32 flight_size;
/* PMTU : The current known path MTU. */
__u32 pmtu;
/* Destination */
struct dst_entry *dst;
/* Source address. */
@@ -862,7 +877,22 @@ struct sctp_transport {
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval.
*/
int hb_interval;
__u32 hbinterval;
/* This is the max_retrans value for the transport and will
* be initialized from the assocs value. This can be changed
* using SCTP_SET_PEER_ADDR_PARAMS socket option.
*/
__u16 pathmaxrxt;
/* PMTU : The current known path MTU. */
__u32 pathmtu;
/* SACK delay timeout */
__u32 sackdelay;
/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
__u32 param_flags;
/* When was the last time (in jiffies) that we heard from this
* transport? We use this to pick new active and retran paths.
@@ -882,22 +912,11 @@ struct sctp_transport {
*/
int state;
/* hb_allowed : The current heartbeat state of this destination,
* : i.e. ALLOW-HB, NO-HEARTBEAT, etc.
*/
int hb_allowed;
/* These are the error stats for this destination. */
/* Error count : The current error count for this destination. */
unsigned short error_count;
/* This is the max_retrans value for the transport and will
* be initialized to proto.max_retrans.path. This can be changed
* using SCTP_SET_PEER_ADDR_PARAMS socket option.
*/
int max_retrans;
/* Per : A timer used by each destination.
* Destination :
* Timer :
@@ -1502,6 +1521,28 @@ struct sctp_association {
/* The largest timeout or RTO value to use in attempting an INIT */
__u16 max_init_timeo;
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval. This value
* will be inherited by all new transports.
*/
__u32 hbinterval;
/* This is the max_retrans value for new transports in the
* association.
*/
__u16 pathmaxrxt;
/* Association : The smallest PMTU discovered for all of the
* PMTU : peer's transport addresses.
*/
__u32 pathmtu;
/* SACK delay timeout */
__u32 sackdelay;
/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
__u32 param_flags;
int timeouts[SCTP_NUM_TIMEOUT_TYPES];
struct timer_list timers[SCTP_NUM_TIMEOUT_TYPES];
@@ -1571,11 +1612,6 @@ struct sctp_association {
*/
wait_queue_head_t wait;
/* Association : The smallest PMTU discovered for all of the
* PMTU : peer's transport addresses.
*/
__u32 pmtu;
/* The message size at which SCTP fragmentation will occur. */
__u32 frag_point;

16
include/net/sctp/user.h
View File

@@ -503,11 +503,27 @@ struct sctp_setadaption {
* unreachable. The following structure is used to access and modify an
* address's parameters:
*/
enum sctp_spp_flags {
SPP_HB_ENABLE = 1, /*Enable heartbeats*/
SPP_HB_DISABLE = 2, /*Disable heartbeats*/
SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
SPP_HB_DEMAND = 4, /*Send heartbeat immediately*/
SPP_PMTUD_ENABLE = 8, /*Enable PMTU discovery*/
SPP_PMTUD_DISABLE = 16, /*Disable PMTU discovery*/
SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
SPP_SACKDELAY_ENABLE = 32, /*Enable SACK*/
SPP_SACKDELAY_DISABLE = 64, /*Disable SACK*/
SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
};
struct sctp_paddrparams {
sctp_assoc_t spp_assoc_id;
struct sockaddr_storage spp_address;
__u32 spp_hbinterval;
__u16 spp_pathmaxrxt;
__u32 spp_pathmtu;
__u32 spp_sackdelay;
__u32 spp_flags;
} __attribute__((packed, aligned(4)));
/*