44 static void hsr_set_operstate(struct hsr_port *master, bool has_carrier)  in hsr_set_operstate()  argument
46 	if (!is_admin_up(master->dev)) {  in hsr_set_operstate()
47 		__hsr_set_operstate(master->dev, IF_OPER_DOWN);  in hsr_set_operstate()
52 		__hsr_set_operstate(master->dev, IF_OPER_UP);  in hsr_set_operstate()
54 		__hsr_set_operstate(master->dev, IF_OPER_LOWERLAYERDOWN);  in hsr_set_operstate()
57 static bool hsr_check_carrier(struct hsr_port *master)  in hsr_check_carrier()  argument
65 	hsr_for_each_port(master->hsr, port)  in hsr_check_carrier()
73 		netif_carrier_on(master->dev);  in hsr_check_carrier()
75 		netif_carrier_off(master->dev);  in hsr_check_carrier()
101 	struct hsr_port *master;  in hsr_check_carrier_and_operstate()  local
105 	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);  in hsr_check_carrier_and_operstate()
109 	old_operstate = master->dev->operstate;  in hsr_check_carrier_and_operstate()
110 	has_carrier = hsr_check_carrier(master);  in hsr_check_carrier_and_operstate()
111 	hsr_set_operstate(master, has_carrier);  in hsr_check_carrier_and_operstate()
112 	hsr_check_announce(master->dev, old_operstate);  in hsr_check_carrier_and_operstate()
135 	struct hsr_port *master;  in hsr_dev_change_mtu()  local
138 	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);  in hsr_dev_change_mtu()
141 …netdev_info(master->dev, "A HSR master's MTU cannot be greater than the smallest MTU of its slaves…  in hsr_dev_change_mtu()
227 	struct hsr_port *master;  in hsr_dev_xmit()  local
229 	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);  in hsr_dev_xmit()
230 	skb->dev = master->dev;  in hsr_dev_xmit()
231 	hsr_forward_skb(skb, master);  in hsr_dev_xmit()
240 static void send_hsr_supervision_frame(struct hsr_port *master,  in send_hsr_supervision_frame()  argument
250 	hlen = LL_RESERVED_SPACE(master->dev);  in send_hsr_supervision_frame()
251 	tlen = master->dev->needed_tailroom;  in send_hsr_supervision_frame()
261 	skb->dev = master->dev;  in send_hsr_supervision_frame()
266 			    master->hsr->sup_multicast_addr,  in send_hsr_supervision_frame()
282 	spin_lock_irqsave(&master->hsr->seqnr_lock, irqflags);  in send_hsr_supervision_frame()
284 		hsr_stag->sequence_nr = htons(master->hsr->sup_sequence_nr);  in send_hsr_supervision_frame()
285 		hsr_tag->sequence_nr = htons(master->hsr->sequence_nr);  in send_hsr_supervision_frame()
286 		master->hsr->sup_sequence_nr++;  in send_hsr_supervision_frame()
287 		master->hsr->sequence_nr++;  in send_hsr_supervision_frame()
289 		hsr_stag->sequence_nr = htons(master->hsr->sequence_nr);  in send_hsr_supervision_frame()
290 		master->hsr->sequence_nr++;  in send_hsr_supervision_frame()
292 	spin_unlock_irqrestore(&master->hsr->seqnr_lock, irqflags);  in send_hsr_supervision_frame()
301 	ether_addr_copy(hsr_sp->macaddress_A, master->dev->dev_addr);  in send_hsr_supervision_frame()
306 	hsr_forward_skb(skb, master);  in send_hsr_supervision_frame()
319 	struct hsr_port *master;  in hsr_announce()  local
325 	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);  in hsr_announce()
328 		send_hsr_supervision_frame(master, HSR_TLV_ANNOUNCE,  in hsr_announce()
334 		send_hsr_supervision_frame(master, HSR_TLV_LIFE_CHECK,  in hsr_announce()
340 	if (is_admin_up(master->dev))  in hsr_announce()
414 /* Return true if dev is a HSR master; return false otherwise.