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sctp: add SCTP_PLPMTUD_PROBE_INTERVAL sockopt for sock/asoc/transport

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With this socket option, users can change probe_interval for
a transport, asoc or sock after it's created.

Note that if the change is for an asoc, also apply the change
to each transport in this asoc.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2021-06-22 14:04:49 -04:00
committed by David S. Miller
parent d1e462a7a5
commit 3190b649b4
2 changed files with 126 additions and 0 deletions
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8
include/uapi/linux/sctp.h
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@@ -141,6 +141,7 @@ typedef __s32 sctp_assoc_t;
#define SCTP_EXPOSE_POTENTIALLY_FAILED_STATE 131
#define SCTP_EXPOSE_PF_STATE SCTP_EXPOSE_POTENTIALLY_FAILED_STATE
#define SCTP_REMOTE_UDP_ENCAPS_PORT 132
#define SCTP_PLPMTUD_PROBE_INTERVAL 133
/* PR-SCTP policies */
#define SCTP_PR_SCTP_NONE 0x0000
@@ -1213,4 +1214,11 @@ enum sctp_sched_type {
SCTP_SS_MAX = SCTP_SS_RR
};
/* Probe Interval socket option */
struct sctp_probeinterval {
sctp_assoc_t spi_assoc_id;
struct sockaddr_storage spi_address;
__u32 spi_interval;
};
#endif /* _UAPI_SCTP_H */