diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-05-29 14:09:42 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-29 13:10:39 -0700 |
| commit | c0425a4249e9d313eec5f81c0bde8a286ebf9a63 (patch) | |
| tree | dbe8e82ca86e471956cef038764adb299270b0ef /net/sctp/socket.c | |
| parent | 05bfd3661448a46db3a258b316160d34cf0a1317 (diff) | |
net: add a new bind_add method
The SCTP protocol allows to bind multiple address to a socket. That
feature is currently only exposed as a socket option. Add a bind_add
method struct proto that allows to bind additional addresses, and
switch the dlm code to use the method instead of going through the
socket option from kernel space.
Signed-off-by: Christoph Hellwig <hch@lst.de>
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 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6e745ac3c4a5..d57e1a002ffc 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1052,6 +1052,18 @@ static int sctp_setsockopt_bindx(struct sock *sk, return err; } +static int sctp_bind_add(struct sock *sk, struct sockaddr *addrs, + int addrlen) +{ + int err; + + lock_sock(sk); + err = sctp_setsockopt_bindx_kernel(sk, addrs, addrlen, + SCTP_BINDX_ADD_ADDR); + release_sock(sk); + return err; +} + static int sctp_connect_new_asoc(struct sctp_endpoint *ep, const union sctp_addr *daddr, const struct sctp_initmsg *init, @@ -9620,6 +9632,7 @@ struct proto sctp_prot = { .sendmsg = sctp_sendmsg, .recvmsg = sctp_recvmsg, .bind = sctp_bind, + .bind_add = sctp_bind_add, .backlog_rcv = sctp_backlog_rcv, .hash = sctp_hash, .unhash = sctp_unhash, @@ -9662,6 +9675,7 @@ struct proto sctpv6_prot = { .sendmsg = sctp_sendmsg, .recvmsg = sctp_recvmsg, .bind = sctp_bind, + .bind_add = sctp_bind_add, .backlog_rcv = sctp_backlog_rcv, .hash = sctp_hash, .unhash = sctp_unhash, |