2  * Linux rfkill helper functions for driver wrappers
15 #include "rfkill.h"
57 	struct rfkill_data *rfkill = eloop_ctx;  in rfkill_receive()  local
62 	len = read(rfkill->fd, &event, sizeof(event));  in rfkill_receive()
64 		wpa_printf(MSG_ERROR, "rfkill: Event read failed: %s",  in rfkill_receive()
69 		wpa_printf(MSG_DEBUG, "rfkill: Unexpected event size "  in rfkill_receive()
74 	if (event.op != RFKILL_OP_CHANGE || event.idx != rfkill->idx)  in rfkill_receive()
77 	wpa_printf(MSG_DEBUG, "rfkill: event: idx=%u type=%d "  in rfkill_receive()
83 		wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked");  in rfkill_receive()
86 		wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked");  in rfkill_receive()
89 		wpa_printf(MSG_INFO, "rfkill: WLAN unblocked");  in rfkill_receive()
93 	if (new_blocked != rfkill->blocked) {  in rfkill_receive()
94 		rfkill->blocked = new_blocked;  in rfkill_receive()
96 			rfkill->cfg->blocked_cb(rfkill->cfg->ctx);  in rfkill_receive()
98 			rfkill->cfg->unblocked_cb(rfkill->cfg->ctx);  in rfkill_receive()
105 	struct rfkill_data *rfkill;  in rfkill_init()  local
113 	rfkill = os_zalloc(sizeof(*rfkill));  in rfkill_init()
114 	if (rfkill == NULL)  in rfkill_init()
121 		wpa_printf(MSG_INFO, "rfkill: Cannot get wiphy information");  in rfkill_init()
125 	rfkill->cfg = cfg;  in rfkill_init()
126 	rfkill->fd = open("/dev/rfkill", O_RDONLY);  in rfkill_init()
127 	if (rfkill->fd < 0) {  in rfkill_init()
128 		wpa_printf(MSG_INFO, "rfkill: Cannot open RFKILL control "  in rfkill_init()
133 	if (fcntl(rfkill->fd, F_SETFL, O_NONBLOCK) < 0) {  in rfkill_init()
134 		wpa_printf(MSG_ERROR, "rfkill: Cannot set non-blocking mode: "  in rfkill_init()
140 		len = read(rfkill->fd, &event, sizeof(event));  in rfkill_init()
144 			wpa_printf(MSG_ERROR, "rfkill: Event read failed: %s",  in rfkill_init()
149 			wpa_printf(MSG_DEBUG, "rfkill: Unexpected event size "  in rfkill_init()
159 			    "/sys/class/rfkill/rfkill%d/device", event.idx);  in rfkill_init()
169 		wpa_printf(MSG_DEBUG, "rfkill: initial event: idx=%u type=%d "  in rfkill_init()
174 		rfkill->idx = event.idx;  in rfkill_init()
176 			wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked");  in rfkill_init()
177 			rfkill->blocked = 1;  in rfkill_init()
179 			wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked");  in rfkill_init()
180 			rfkill->blocked = 1;  in rfkill_init()
189 	eloop_register_read_sock(rfkill->fd, rfkill_receive, rfkill, NULL);  in rfkill_init()
191 	return rfkill;  in rfkill_init()
194 	close(rfkill->fd);  in rfkill_init()
196 	os_free(rfkill);  in rfkill_init()
203 void rfkill_deinit(struct rfkill_data *rfkill)  in rfkill_deinit()  argument
205 	if (rfkill == NULL)  in rfkill_deinit()
208 	if (rfkill->fd >= 0) {  in rfkill_deinit()
209 		eloop_unregister_read_sock(rfkill->fd);  in rfkill_deinit()
210 		close(rfkill->fd);  in rfkill_deinit()
213 	os_free(rfkill->cfg);  in rfkill_deinit()
214 	os_free(rfkill);  in rfkill_deinit()
218 int rfkill_is_blocked(struct rfkill_data *rfkill)  in rfkill_is_blocked()  argument
220 	if (rfkill == NULL)  in rfkill_is_blocked()
223 	return rfkill->blocked;  in rfkill_is_blocked()