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From: Long Li <longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
To: Steve French <sfrench-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
	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 <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Tom Talpey <ttalpey-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>,
	Matthew Wilcox <mawilcox-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>
Cc: Long Li <longli-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>
Subject: [Patch v4 05/22] CIFS: SMBD: Implement function to create a SMBDirect connection
Date: Sun,  1 Oct 2017 19:30:13 -0700	[thread overview]
Message-ID: <20171002023030.3582-6-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171002023030.3582-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>

From: Long Li <longli-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>

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 <longli-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>
---
 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

WARNING: multiple messages have this Message-ID (diff)
From: Long Li <longli@exchange.microsoft.com>
To: Steve French <sfrench@samba.org>,
	linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,
	linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	Tom Talpey <ttalpey@microsoft.com>,
	Matthew Wilcox <mawilcox@microsoft.com>
Cc: Long Li <longli@microsoft.com>
Subject: [Patch v4 05/22] CIFS: SMBD: Implement function to create a SMBDirect connection
Date: Sun,  1 Oct 2017 19:30:13 -0700	[thread overview]
Message-ID: <20171002023030.3582-6-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171002023030.3582-1-longli@exchange.microsoft.com>

From: Long Li <longli@microsoft.com>

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 <longli@microsoft.com>
---
 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

  parent reply	other threads:[~2017-10-02  2:30 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-02  2:30 [Patch v4 00/22] CIFS: Implement SMBDirect Long Li
2017-10-02  2:30 ` [Patch v4 01/22] CIFS: SMBD: Add SMBDirect protocol initial values and constants Long Li
2017-10-02  2:30 ` [Patch v4 02/22] CIFS: SMBD: Establish SMBDirect connection Long Li
     [not found]   ` <20171002023030.3582-3-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-04 11:01     ` kbuild test robot
2017-10-04 11:01       ` kbuild test robot
2017-10-02  2:30 ` [Patch v4 03/22] CIFS: SMBD: export protocol initial values Long Li
2017-10-02  2:30 ` [Patch v4 04/22] CIFS: SMBD: Add rdma mount option Long Li
2017-10-02  2:30 ` [Patch v4 08/22] CIFS: SMBD: Upper layer reconnects to SMBDirect session Long Li
2017-10-02  2:30 ` [Patch v4 09/22] CIFS: SMBD: Implement function to destroy a SMBDirect connection Long Li
2017-10-02  2:30 ` [Patch v4 11/22] CIFS: SMBD: Set SMBDirect maximum read or write size for I/O Long Li
2017-10-02  2:30 ` [Patch v4 12/22] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
     [not found]   ` <20171002023030.3582-13-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-04  9:43     ` kbuild test robot
2017-10-04  9:43       ` kbuild test robot
2017-10-02  2:30 ` [Patch v4 14/22] CIFS: SMBD: Implement function to send data via RDMA send Long Li
     [not found]   ` <20171002023030.3582-15-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-04  9:43     ` kbuild test robot
2017-10-04  9:43       ` kbuild test robot
2017-10-04 10:05     ` kbuild test robot
2017-10-04 10:05       ` kbuild test robot
2017-10-02  2:30 ` [Patch v4 15/22] CIFS: SMBD: Upper layer sends " Long Li
2017-10-02  2:30 ` [Patch v4 16/22] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Long Li
     [not found]   ` <20171002023030.3582-17-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-04 22:07     ` Steve French
2017-10-04 22:07       ` Steve French
2017-10-02  2:30 ` [Patch v4 17/22] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-10-04 14:08   ` kbuild test robot
2017-10-02  2:30 ` [Patch v4 19/22] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li
2017-10-02  2:30 ` [Patch v4 20/22] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
     [not found] ` <20171002023030.3582-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-02  2:30   ` Long Li [this message]
2017-10-02  2:30     ` [Patch v4 05/22] CIFS: SMBD: Implement function to create a SMBDirect connection Long Li
2017-10-02  2:30   ` [Patch v4 06/22] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-10-02  2:30     ` Long Li
2017-10-02  2:30   ` [Patch v4 07/22] CIFS: SMBD: Implement function to reconnect to a SMBDirect transport Long Li
2017-10-02  2:30     ` Long Li
2017-10-02  2:30   ` [Patch v4 10/22] CIFS: SMBD: Upper layer destroys SMBDirect session on shutdown or umount Long Li
2017-10-02  2:30     ` Long Li
2017-10-02  2:30   ` [Patch v4 13/22] CIFS: SMBD: Upper layer receives data via RDMA receive Long Li
2017-10-02  2:30     ` Long Li
2017-10-02  2:30   ` [Patch v4 18/22] CIFS: SMBD: Upper layer performs SMB write via RDMA read through memory registration Long Li
2017-10-02  2:30     ` Long Li
2017-10-02  2:30   ` [Patch v4 21/22] CIFS: SMBD: Upper layer performs SMB read via RDMA write " Long Li
2017-10-02  2:30     ` Long Li
2017-10-02  2:30 ` [Patch v4 22/22] CIFS: SMBD: Add SMBDirect debug counters Long Li

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