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Message-Id: <1342020844-3547-3-git-send-email-jpirko@redhat.com>
Date: Wed, 11 Jul 2012 17:34:03 +0200
From: Jiri Pirko <jpirko@...hat.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net
Subject: [patch net-next 2/3] team: add broadcast mode
Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
drivers/net/team/Kconfig | 13 ++++-
drivers/net/team/Makefile | 1 +
drivers/net/team/team_mode_broadcast.c | 88 ++++++++++++++++++++++++++++++++
3 files changed, 101 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/team/team_mode_broadcast.c
diff --git a/drivers/net/team/Kconfig b/drivers/net/team/Kconfig
index 89024d5..6a7260b 100644
--- a/drivers/net/team/Kconfig
+++ b/drivers/net/team/Kconfig
@@ -15,6 +15,17 @@ menuconfig NET_TEAM
if NET_TEAM
+config NET_TEAM_MODE_BROADCAST
+ tristate "Broadcast mode support"
+ depends on NET_TEAM
+ ---help---
+ Basic mode where packets are transmitted always by all suitable ports.
+
+ All added ports are setup to have team's mac address.
+
+ To compile this team mode as a module, choose M here: the module
+ will be called team_mode_broadcast.
+
config NET_TEAM_MODE_ROUNDROBIN
tristate "Round-robin mode support"
depends on NET_TEAM
@@ -22,7 +33,7 @@ config NET_TEAM_MODE_ROUNDROBIN
Basic mode where port used for transmitting packets is selected in
round-robin fashion using packet counter.
- All added ports are setup to have bond's mac address.
+ All added ports are setup to have team's mac address.
To compile this team mode as a module, choose M here: the module
will be called team_mode_roundrobin.
diff --git a/drivers/net/team/Makefile b/drivers/net/team/Makefile
index fb9f4c1..9757630 100644
--- a/drivers/net/team/Makefile
+++ b/drivers/net/team/Makefile
@@ -3,6 +3,7 @@
#
obj-$(CONFIG_NET_TEAM) += team.o
+obj-$(CONFIG_NET_TEAM_MODE_BROADCAST) += team_mode_broadcast.o
obj-$(CONFIG_NET_TEAM_MODE_ROUNDROBIN) += team_mode_roundrobin.o
obj-$(CONFIG_NET_TEAM_MODE_ACTIVEBACKUP) += team_mode_activebackup.o
obj-$(CONFIG_NET_TEAM_MODE_LOADBALANCE) += team_mode_loadbalance.o
diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c
new file mode 100644
index 0000000..5562345
--- /dev/null
+++ b/drivers/net/team/team_mode_broadcast.c
@@ -0,0 +1,88 @@
+/*
+ * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team
+ * Copyright (c) 2012 Jiri Pirko <jpirko@...hat.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) {
+ skb2->dev = last->dev;
+ ret = dev_queue_xmit(skb2);
+ if (!sum_ret)
+ sum_ret = ret;
+ }
+ }
+ last = cur;
+ }
+ }
+ if (last) {
+ skb->dev = last->dev;
+ ret = dev_queue_xmit(skb);
+ if (!sum_ret)
+ sum_ret = ret;
+ }
+ return sum_ret;
+}
+
+static int bc_port_enter(struct team *team, struct team_port *port)
+{
+ return team_port_set_team_mac(port);
+}
+
+static void bc_port_change_mac(struct team *team, struct team_port *port)
+{
+ team_port_set_team_mac(port);
+}
+
+static const struct team_mode_ops bc_mode_ops = {
+ .transmit = bc_transmit,
+ .port_enter = bc_port_enter,
+ .port_change_mac = bc_port_change_mac,
+};
+
+static const struct team_mode bc_mode = {
+ .kind = "broadcast",
+ .owner = THIS_MODULE,
+ .ops = &bc_mode_ops,
+};
+
+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@...hat.com>");
+MODULE_DESCRIPTION("Broadcast mode for team");
+MODULE_ALIAS("team-mode-broadcast");
--
1.7.10.4
--
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