1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* Copyright 2011-2014 Autronica Fire and Security AS 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * 2011-2014 Arvid Brodin, arvid.brodin@alten.se 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * include file for HSR and PRP. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __HSR_SLAVE_H 10*4882a593Smuzhiyun #define __HSR_SLAVE_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/skbuff.h> 13*4882a593Smuzhiyun #include <linux/netdevice.h> 14*4882a593Smuzhiyun #include <linux/rtnetlink.h> 15*4882a593Smuzhiyun #include "hsr_main.h" 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev, 18*4882a593Smuzhiyun enum hsr_port_type pt, struct netlink_ext_ack *extack); 19*4882a593Smuzhiyun void hsr_del_port(struct hsr_port *port); 20*4882a593Smuzhiyun bool hsr_port_exists(const struct net_device *dev); 21*4882a593Smuzhiyun hsr_port_get_rtnl(const struct net_device * dev)22*4882a593Smuzhiyunstatic inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev) 23*4882a593Smuzhiyun { 24*4882a593Smuzhiyun ASSERT_RTNL(); 25*4882a593Smuzhiyun return hsr_port_exists(dev) ? 26*4882a593Smuzhiyun rtnl_dereference(dev->rx_handler_data) : NULL; 27*4882a593Smuzhiyun } 28*4882a593Smuzhiyun hsr_port_get_rcu(const struct net_device * dev)29*4882a593Smuzhiyunstatic inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun return hsr_port_exists(dev) ? 32*4882a593Smuzhiyun rcu_dereference(dev->rx_handler_data) : NULL; 33*4882a593Smuzhiyun } 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun bool hsr_invalid_dan_ingress_frame(__be16 protocol); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #endif /* __HSR_SLAVE_H */ 38