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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
5fc88991 JP |
2 | /* |
3 | * drivers/net/team/team_mode_broadcast.c - Broadcast mode for team | |
4 | * Copyright (c) 2012 Jiri Pirko <jpirko@redhat.com> | |
5fc88991 JP |
5 | */ |
6 | ||
7 | #include <linux/kernel.h> | |
8 | #include <linux/types.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/errno.h> | |
12 | #include <linux/netdevice.h> | |
13 | #include <linux/if_team.h> | |
14 | ||
15 | static bool bc_transmit(struct team *team, struct sk_buff *skb) | |
16 | { | |
17 | struct team_port *cur; | |
18 | struct team_port *last = NULL; | |
19 | struct sk_buff *skb2; | |
20 | bool ret; | |
21 | bool sum_ret = false; | |
22 | ||
23 | list_for_each_entry_rcu(cur, &team->port_list, list) { | |
24 | if (team_port_txable(cur)) { | |
25 | if (last) { | |
26 | skb2 = skb_clone(skb, GFP_ATOMIC); | |
27 | if (skb2) { | |
403f43c9 JP |
28 | ret = !team_dev_queue_xmit(team, last, |
29 | skb2); | |
5fc88991 JP |
30 | if (!sum_ret) |
31 | sum_ret = ret; | |
32 | } | |
33 | } | |
34 | last = cur; | |
35 | } | |
36 | } | |
37 | if (last) { | |
403f43c9 | 38 | ret = !team_dev_queue_xmit(team, last, skb); |
5fc88991 JP |
39 | if (!sum_ret) |
40 | sum_ret = ret; | |
41 | } | |
42 | return sum_ret; | |
43 | } | |
44 | ||
5fc88991 JP |
45 | static const struct team_mode_ops bc_mode_ops = { |
46 | .transmit = bc_transmit, | |
acbba0d0 JP |
47 | .port_enter = team_modeop_port_enter, |
48 | .port_change_dev_addr = team_modeop_port_change_dev_addr, | |
5fc88991 JP |
49 | }; |
50 | ||
51 | static const struct team_mode bc_mode = { | |
52 | .kind = "broadcast", | |
53 | .owner = THIS_MODULE, | |
54 | .ops = &bc_mode_ops, | |
8fd72856 | 55 | .lag_tx_type = NETDEV_LAG_TX_TYPE_BROADCAST, |
5fc88991 JP |
56 | }; |
57 | ||
58 | static int __init bc_init_module(void) | |
59 | { | |
60 | return team_mode_register(&bc_mode); | |
61 | } | |
62 | ||
63 | static void __exit bc_cleanup_module(void) | |
64 | { | |
65 | team_mode_unregister(&bc_mode); | |
66 | } | |
67 | ||
68 | module_init(bc_init_module); | |
69 | module_exit(bc_cleanup_module); | |
70 | ||
71 | MODULE_LICENSE("GPL v2"); | |
72 | MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>"); | |
73 | MODULE_DESCRIPTION("Broadcast mode for team"); | |
3a5f8997 | 74 | MODULE_ALIAS_TEAM_MODE("broadcast"); |