xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: add a new bind_add method

Browse Source 
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>
This commit is contained in:
Christoph Hellwig
2020-05-29 14:09:42 +02:00
committed by David S. Miller
parent 05bfd36614
commit c0425a4249
4 changed files with 30 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
fs/dlm/lowcomms.c
View File

@@ -882,6 +882,7 @@ static void writequeue_entry_complete(struct writequeue_entry *e, int completed)
static int sctp_bind_addrs(struct connection *con, uint16_t port)
{
struct sockaddr_storage localaddr;
struct sockaddr *addr = (struct sockaddr *)&localaddr;
int i, addr_len, result = 0;
for (i = 0; i < dlm_local_count; i++) {
@@ -889,13 +890,9 @@ static int sctp_bind_addrs(struct connection *con, uint16_t port)
make_sockaddr(&localaddr, port, &addr_len);
if (!i)
result = kernel_bind(con->sock,
(struct sockaddr *)&localaddr,
addr_len);
result = kernel_bind(con->sock, addr, addr_len);
else
result = kernel_setsockopt(con->sock, SOL_SCTP,
SCTP_SOCKOPT_BINDX_ADD,
(char *)&localaddr, addr_len);
result = sock_bind_add(con->sock->sk, addr, addr_len);
if (result < 0) {
log_print("Can't bind to %d addr number %d, %d.\n",