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| author | Xin Long <lucien.xin@gmail.com> | 2018-03-05 15:44:18 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-07 18:55:29 +0300 |
| commit | ed63afb8a318f6b3558d76afba7809daee4f28e5 (patch) | |
| tree | 15f0e055a67fa53ab73711c95b25c2483bcca5a3 /include/uapi/linux/sctp.h | |
| parent | 5c3d0fd4b2c047cedb1cbdad6e2d6bc9abfec256 (diff) | |
| download | linux-ed63afb8a318f6b3558d76afba7809daee4f28e5.tar.xz | |
sctp: add support for PR-SCTP Information for sendmsg
This patch is to add support for PR-SCTP Information for sendmsg,
as described in section 5.3.7 of RFC6458.
With this option, you can specify pr_policy and pr_value for user
data in sendmsg.
It's also a necessary send info for sctp_sendv.
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>
Diffstat (limited to 'include/uapi/linux/sctp.h')
| -rw-r--r-- | include/uapi/linux/sctp.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h index 4c4db14786bd..0dd1f82a4fa8 100644 --- a/include/uapi/linux/sctp.h +++ b/include/uapi/linux/sctp.h @@ -260,6 +260,19 @@ struct sctp_nxtinfo { sctp_assoc_t nxt_assoc_id; }; +/* 5.3.7 SCTP PR-SCTP Information Structure (SCTP_PRINFO) + * + * This cmsghdr structure specifies SCTP options for sendmsg(). + * + * cmsg_level cmsg_type cmsg_data[] + * ------------ ------------ ------------------- + * IPPROTO_SCTP SCTP_PRINFO struct sctp_prinfo + */ +struct sctp_prinfo { + __u16 pr_policy; + __u32 pr_value; +}; + /* * sinfo_flags: 16 bits (unsigned integer) * @@ -293,6 +306,8 @@ typedef enum sctp_cmsg_type { #define SCTP_RCVINFO SCTP_RCVINFO SCTP_NXTINFO, /* 5.3.6 SCTP Next Receive Information Structure */ #define SCTP_NXTINFO SCTP_NXTINFO + SCTP_PRINFO, /* 5.3.7 SCTP PR-SCTP Information Structure */ +#define SCTP_PRINFO SCTP_PRINFO } sctp_cmsg_t; /* |