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| author | Xin Long <lucien.xin@gmail.com> | 2017-02-08 20:18:18 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-10 00:57:38 +0300 |
| commit | a92ce1a42dde1caaee4afae67531e3e7acecf6e4 (patch) | |
| tree | 986627557298741d54a71074fd9d31ce1bfae810 /net/sctp/socket.c | |
| parent | c56480a1e90261842f54f3a5a9ebc12d827f0c3e (diff) | |
| download | linux-a92ce1a42dde1caaee4afae67531e3e7acecf6e4.tar.xz | |
sctp: implement sender-side procedures for SSN/TSN Reset Request Parameter
This patch is to implement Sender-Side Procedures for the SSN/TSN
Reset Request Parameter descibed in rfc6525 section 5.1.4.
It is also to add sockopt SCTP_RESET_ASSOC in rfc6525 section 6.3.3
for users.
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 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index a8b4252fe084..45a7c417eb7f 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3818,6 +3818,32 @@ out: return retval; } +static int sctp_setsockopt_reset_assoc(struct sock *sk, + char __user *optval, + unsigned int optlen) +{ + struct sctp_association *asoc; + sctp_assoc_t associd; + int retval = -EINVAL; + + if (optlen != sizeof(associd)) + goto out; + + if (copy_from_user(&associd, optval, optlen)) { + retval = -EFAULT; + goto out; + } + + asoc = sctp_id2assoc(sk, associd); + if (!asoc) + goto out; + + retval = sctp_send_reset_assoc(asoc); + +out: + return retval; +} + /* API 6.2 setsockopt(), getsockopt() * * Applications use setsockopt() and getsockopt() to set or retrieve @@ -3990,6 +4016,9 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname, case SCTP_RESET_STREAMS: retval = sctp_setsockopt_reset_streams(sk, optval, optlen); break; + case SCTP_RESET_ASSOC: + retval = sctp_setsockopt_reset_assoc(sk, optval, optlen); + break; default: retval = -ENOPROTOOPT; break; |