diff options
| author |   Long Li <longli@microsoft.com> | 2017-11-17 17:26:52 -0800 |
|---|---|---|
| committer |   Steve French <smfrench@gmail.com> | 2018-01-24 19:49:05 -0600 |
| commit | 399f9539d951adf26a1078e38c1b0f10cf6c3e71 (patch) | |
| tree | e1f8475082fb3495674dc4a5459a4e78c46e28ec /fs | |
| parent | CIFS: SMBD: Establish SMB Direct connection (diff) | |
| download | linux-dev-399f9539d951adf26a1078e38c1b0f10cf6c3e71.tar.xz linux-dev-399f9539d951adf26a1078e38c1b0f10cf6c3e71.zip | |
CIFS: SMBD: Implement function to create a SMB Direct connection
The upper layer calls this function to connect to peer through SMB Direct.
Each SMB Direct connection is based on a RDMA RC Queue Pair.
Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/smbdirect.c | 17 | ||||
| -rw-r--r-- | fs/cifs/smbdirect.h | 6 |
2 files changed, 23 insertions, 0 deletions
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index 2ecd5c19d313..862cdf9424cb 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1646,3 +1646,20 @@ create_id_failed: kfree(info); return NULL; } + +struct smbd_connection *smbd_get_connection( + struct TCP_Server_Info *server, struct sockaddr *dstaddr) +{ + struct smbd_connection *ret; + int port = SMBD_PORT; + +try_again: + ret = _smbd_get_connection(server, dstaddr, port); + + /* Try SMB_PORT if SMBD_PORT doesn't work */ + if (!ret && port == SMBD_PORT) { + port = SMB_PORT; + goto try_again; + } + return ret; +} diff --git a/fs/cifs/smbdirect.h b/fs/cifs/smbdirect.h index e4e65d3c6de8..25b3782cc692 100644 --- a/fs/cifs/smbdirect.h +++ b/fs/cifs/smbdirect.h @@ -243,9 +243,15 @@ struct smbd_response { u8 packet[]; }; +/* Create a SMBDirect session */ +struct smbd_connection *smbd_get_connection( + struct TCP_Server_Info *server, struct sockaddr *dstaddr); + #else #define cifs_rdma_enabled(server) 0 struct smbd_connection {}; +static inline void *smbd_get_connection( + struct TCP_Server_Info *server, struct sockaddr *dstaddr) {return NULL;} #endif #endif |