Adding upstream version 4.19.249.upstream/4.19.249

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

1 files changed, 78 insertions, 0 deletions

diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c
new file mode 100644
index 000000000..e4eac3de1
--- /dev/null
+++ b/drivers/net/team/team_mode_broadcast.c
@@ -0,0 +1,78 @@
+/*
+ * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team
+ * Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/if_team.h>
+
+static bool bc_transmit(struct team *team, struct sk_buff *skb)
+{
+	struct team_port *cur;
+	struct team_port *last = NULL;
+	struct sk_buff *skb2;
+	bool ret;
+	bool sum_ret = false;
+
+	list_for_each_entry_rcu(cur, &team->port_list, list) {
+		if (team_port_txable(cur)) {
+			if (last) {
+				skb2 = skb_clone(skb, GFP_ATOMIC);
+				if (skb2) {
+					ret = !team_dev_queue_xmit(team, last,
+								   skb2);
+					if (!sum_ret)
+						sum_ret = ret;
+				}
+			}
+			last = cur;
+		}
+	}
+	if (last) {
+		ret = !team_dev_queue_xmit(team, last, skb);
+		if (!sum_ret)
+			sum_ret = ret;
+	}
+	return sum_ret;
+}
+
+static const struct team_mode_ops bc_mode_ops = {
+	.transmit		= bc_transmit,
+	.port_enter		= team_modeop_port_enter,
+	.port_change_dev_addr	= team_modeop_port_change_dev_addr,
+};
+
+static const struct team_mode bc_mode = {
+	.kind		= "broadcast",
+	.owner		= THIS_MODULE,
+	.ops		= &bc_mode_ops,
+	.lag_tx_type	= NETDEV_LAG_TX_TYPE_BROADCAST,
+};
+
+static int __init bc_init_module(void)
+{
+	return team_mode_register(&bc_mode);
+}
+
+static void __exit bc_cleanup_module(void)
+{
+	team_mode_unregister(&bc_mode);
+}
+
+module_init(bc_init_module);
+module_exit(bc_cleanup_module);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>");
+MODULE_DESCRIPTION("Broadcast mode for team");
+MODULE_ALIAS_TEAM_MODE("broadcast");