From mboxrd@z Thu Jan 1 00:00:00 1970 From: Long Li Subject: [Patch v4 05/22] CIFS: SMBD: Implement function to create a SMBDirect connection Date: Sun, 1 Oct 2017 19:30:13 -0700 Message-ID: <20171002023030.3582-6-longli@exchange.microsoft.com> References: <20171002023030.3582-1-longli@exchange.microsoft.com> Cc: Long Li To: Steve French , linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, samba-technical-w/Ol4Ecudpl8XjKLYN78aQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Christoph Hellwig , Tom Talpey , Matthew Wilcox Return-path: In-Reply-To: <20171002023030.3582-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org> Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: From: Long Li The upper layer calls this function to connect to peer through SMBDirect. Each SMBDirect connection is based on a RC Queue Pair. Signed-off-by: Long Li --- fs/cifs/smbdirect.c | 17 +++++++++++++++++ fs/cifs/smbdirect.h | 4 ++++ 2 files changed, 21 insertions(+) diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index e8f976f..34f73e2 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1675,3 +1675,20 @@ struct smbd_connection *_smbd_get_connection( 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 ca60700..42a9338 100644 --- a/fs/cifs/smbdirect.h +++ b/fs/cifs/smbdirect.h @@ -245,6 +245,10 @@ struct smbd_response { u8 packet[]; }; +/* Create a SMBDirect session */ +struct smbd_connection *smbd_get_connection( + struct TCP_Server_Info *server, struct sockaddr *dstaddr); + void profiling_display_histogram( struct seq_file *m, unsigned long long array[]); #endif -- 2.7.4