1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | /* Copyright 2011-2014 Autronica Fire and Security AS |
3 | * |
4 | * 2011-2014 Arvid Brodin, arvid.brodin@alten.se |
5 | * |
6 | * include file for HSR and PRP. |
7 | */ |
8 | |
9 | #ifndef __HSR_SLAVE_H |
10 | #define __HSR_SLAVE_H |
11 | |
12 | #include <linux/skbuff.h> |
13 | #include <linux/netdevice.h> |
14 | #include <linux/rtnetlink.h> |
15 | #include "hsr_main.h" |
16 | |
17 | int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev, |
18 | enum hsr_port_type pt, struct netlink_ext_ack *extack); |
19 | void hsr_del_port(struct hsr_port *port); |
20 | bool hsr_port_exists(const struct net_device *dev); |
21 | |
22 | static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev) |
23 | { |
24 | ASSERT_RTNL(); |
25 | return hsr_port_exists(dev) ? |
26 | rtnl_dereference(dev->rx_handler_data) : NULL; |
27 | } |
28 | |
29 | static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev) |
30 | { |
31 | return hsr_port_exists(dev) ? |
32 | rcu_dereference(dev->rx_handler_data) : NULL; |
33 | } |
34 | |
35 | bool hsr_invalid_dan_ingress_frame(__be16 protocol); |
36 | |
37 | #endif /* __HSR_SLAVE_H */ |
38 |