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| author | Xin Long <lucien.xin@gmail.com> | 2017-01-17 19:44:47 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-18 22:55:11 +0300 |
| commit | 7f9d68ac944e24ee5f9ac8d059ca00b1c1d34137 (patch) | |
| tree | 08007191a5e6a018f08dd26919305175b5a14b23 /include | |
| parent | 9fb657aec0e20b4ed4401c44a4140f8d7b7a9ca0 (diff) | |
| download | linux-7f9d68ac944e24ee5f9ac8d059ca00b1c1d34137.tar.xz | |
sctp: implement sender-side procedures for SSN Reset Request Parameter
This patch is to implement sender-side procedures for the Outgoing
and Incoming SSN Reset Request Parameter described in rfc6525 section
5.1.2 and 5.1.3.
It is also add sockopt SCTP_RESET_STREAMS in rfc6525 section 6.3.2
for users.
Note that the new asoc member strreset_outstanding is to make sure
only one reconf request chunk on the fly as rfc6525 section 5.1.1
demands.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/sctp/sctp.h | 6 | ||||
| -rw-r--r-- | include/net/sctp/structs.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/sctp.h | 11 |
3 files changed, 18 insertions, 0 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index bc0e049b1474..3cfd365bcfbc 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -194,6 +194,12 @@ void sctp_remaddr_proc_exit(struct net *net); int sctp_offload_init(void); /* + * sctp/stream.c + */ +int sctp_send_reset_streams(struct sctp_association *asoc, + struct sctp_reset_streams *params); + +/* * Module global variables */ diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index d99b76e33b2e..231fa9ac50bd 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1875,6 +1875,7 @@ struct sctp_association { reconf_enable:1; __u8 strreset_enable; + __u8 strreset_outstanding; /* request param count on the fly */ __u32 strreset_outseq; /* Update after receiving response */ __u32 strreset_inseq; /* Update after receiving request */ diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h index 867be0f32fd7..03c27cefffb1 100644 --- a/include/uapi/linux/sctp.h +++ b/include/uapi/linux/sctp.h @@ -116,6 +116,7 @@ typedef __s32 sctp_assoc_t; #define SCTP_DEFAULT_PRINFO 114 #define SCTP_PR_ASSOC_STATUS 115 #define SCTP_ENABLE_STREAM_RESET 118 +#define SCTP_RESET_STREAMS 119 /* PR-SCTP policies */ #define SCTP_PR_SCTP_NONE 0x0000 @@ -145,6 +146,9 @@ typedef __s32 sctp_assoc_t; #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x04 #define SCTP_ENABLE_STRRESET_MASK 0x07 +#define SCTP_STREAM_RESET_INCOMING 0x01 +#define SCTP_STREAM_RESET_OUTGOING 0x02 + /* These are bit fields for msghdr->msg_flags. See section 5.1. */ /* On user space Linux, these live in <bits/socket.h> as an enum. */ enum sctp_msg_flags { @@ -1015,4 +1019,11 @@ struct sctp_info { __u32 __reserved3; }; +struct sctp_reset_streams { + sctp_assoc_t srs_assoc_id; + uint16_t srs_flags; + uint16_t srs_number_streams; /* 0 == ALL */ + uint16_t srs_stream_list[]; /* list if srs_num_streams is not 0 */ +}; + #endif /* _UAPI_SCTP_H */ |