Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/net/tipc/ib_media.c b/net/tipc/ib_media.c
new file mode 100644
index 000000000..e8c16718e
--- /dev/null
+++ b/net/tipc/ib_media.c
@@ -0,0 +1,101 @@
+/*
+ * net/tipc/ib_media.c: Infiniband bearer support for TIPC
+ *
+ * Copyright (c) 2013 Patrick McHardy <kaber@trash.net>
+ *
+ * Based on eth_media.c, which carries the following copyright notice:
+ *
+ * Copyright (c) 2001-2007, Ericsson AB
+ * Copyright (c) 2005-2008, 2011, Wind River Systems
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the names of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <linux/if_infiniband.h>
+#include "core.h"
+#include "bearer.h"
+
+/* convert InfiniBand address (media address format) media address to string */
+static int tipc_ib_addr2str(struct tipc_media_addr *a, char *str_buf,
+			    int str_size)
+{
+	if (str_size < 60)	/* 60 = 19 * strlen("xx:") + strlen("xx\0") */
+		return 1;
+
+	sprintf(str_buf, "%20phC", a->value);
+
+	return 0;
+}
+
+/* Convert from media address format to discovery message addr format */
+static int tipc_ib_addr2msg(char *msg, struct tipc_media_addr *addr)
+{
+	memset(msg, 0, TIPC_MEDIA_INFO_SIZE);
+	memcpy(msg, addr->value, INFINIBAND_ALEN);
+	return 0;
+}
+
+/* Convert raw InfiniBand address format to media addr format */
+static int tipc_ib_raw2addr(struct tipc_bearer *b,
+			    struct tipc_media_addr *addr,
+			    char *msg)
+{
+	memset(addr, 0, sizeof(*addr));
+	memcpy(addr->value, msg, INFINIBAND_ALEN);
+	addr->media_id = TIPC_MEDIA_TYPE_IB;
+	addr->broadcast = !memcmp(msg, b->bcast_addr.value,
+				  INFINIBAND_ALEN);
+	return 0;
+}
+
+/* Convert discovery msg addr format to InfiniBand media addr format */
+static int tipc_ib_msg2addr(struct tipc_bearer *b,
+			    struct tipc_media_addr *addr,
+			    char *msg)
+{
+	return tipc_ib_raw2addr(b, addr, msg);
+}
+
+/* InfiniBand media registration info */
+struct tipc_media ib_media_info = {
+	.send_msg	= tipc_l2_send_msg,
+	.enable_media	= tipc_enable_l2_media,
+	.disable_media	= tipc_disable_l2_media,
+	.addr2str	= tipc_ib_addr2str,
+	.addr2msg	= tipc_ib_addr2msg,
+	.msg2addr	= tipc_ib_msg2addr,
+	.raw2addr	= tipc_ib_raw2addr,
+	.priority	= TIPC_DEF_LINK_PRI,
+	.tolerance	= TIPC_DEF_LINK_TOL,
+	.window		= TIPC_DEF_LINK_WIN,
+	.type_id	= TIPC_MEDIA_TYPE_IB,
+	.hwaddr_len	= INFINIBAND_ALEN,
+	.name		= "ib"
+};