diff options
Diffstat (limited to 'contrib/wpa/src/drivers/rfkill.c')
| -rw-r--r-- | contrib/wpa/src/drivers/rfkill.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/contrib/wpa/src/drivers/rfkill.c b/contrib/wpa/src/drivers/rfkill.c deleted file mode 100644 index 45b26c4..0000000 --- a/contrib/wpa/src/drivers/rfkill.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * Linux rfkill helper functions for driver wrappers - * Copyright (c) 2010, Jouni Malinen <j@w1.fi> - * - * This software may be distributed under the terms of the BSD license. - * See README for more details. - */ - -#include "includes.h" -#include <fcntl.h> - -#include "utils/common.h" -#include "utils/eloop.h" -#include "rfkill.h" - -#define RFKILL_EVENT_SIZE_V1 8 - -struct rfkill_event { - u32 idx; - u8 type; - u8 op; - u8 soft; - u8 hard; -} STRUCT_PACKED; - -enum rfkill_operation { - RFKILL_OP_ADD = 0, - RFKILL_OP_DEL, - RFKILL_OP_CHANGE, - RFKILL_OP_CHANGE_ALL, -}; - -enum rfkill_type { - RFKILL_TYPE_ALL = 0, - RFKILL_TYPE_WLAN, - RFKILL_TYPE_BLUETOOTH, - RFKILL_TYPE_UWB, - RFKILL_TYPE_WIMAX, - RFKILL_TYPE_WWAN, - RFKILL_TYPE_GPS, - RFKILL_TYPE_FM, - NUM_RFKILL_TYPES, -}; - - -struct rfkill_data { - struct rfkill_config *cfg; - int fd; - int blocked; -}; - - -static void rfkill_receive(int sock, void *eloop_ctx, void *sock_ctx) -{ - struct rfkill_data *rfkill = eloop_ctx; - struct rfkill_event event; - ssize_t len; - int new_blocked; - - len = read(rfkill->fd, &event, sizeof(event)); - if (len < 0) { - wpa_printf(MSG_ERROR, "rfkill: Event read failed: %s", - strerror(errno)); - return; - } - if (len != RFKILL_EVENT_SIZE_V1) { - wpa_printf(MSG_DEBUG, "rfkill: Unexpected event size " - "%d (expected %d)", - (int) len, RFKILL_EVENT_SIZE_V1); - return; - } - wpa_printf(MSG_DEBUG, "rfkill: event: idx=%u type=%d " - "op=%u soft=%u hard=%u", - event.idx, event.type, event.op, event.soft, - event.hard); - if (event.op != RFKILL_OP_CHANGE || event.type != RFKILL_TYPE_WLAN) - return; - - if (event.hard) { - wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked"); - new_blocked = 1; - } else if (event.soft) { - wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked"); - new_blocked = 1; - } else { - wpa_printf(MSG_INFO, "rfkill: WLAN unblocked"); - new_blocked = 0; - } - - if (new_blocked != rfkill->blocked) { - rfkill->blocked = new_blocked; - if (new_blocked) - rfkill->cfg->blocked_cb(rfkill->cfg->ctx); - else - rfkill->cfg->unblocked_cb(rfkill->cfg->ctx); - } -} - - -struct rfkill_data * rfkill_init(struct rfkill_config *cfg) -{ - struct rfkill_data *rfkill; - struct rfkill_event event; - ssize_t len; - - rfkill = os_zalloc(sizeof(*rfkill)); - if (rfkill == NULL) - return NULL; - - rfkill->cfg = cfg; - rfkill->fd = open("/dev/rfkill", O_RDONLY); - if (rfkill->fd < 0) { - wpa_printf(MSG_INFO, "rfkill: Cannot open RFKILL control " - "device"); - goto fail; - } - - if (fcntl(rfkill->fd, F_SETFL, O_NONBLOCK) < 0) { - wpa_printf(MSG_ERROR, "rfkill: Cannot set non-blocking mode: " - "%s", strerror(errno)); - goto fail2; - } - - for (;;) { - len = read(rfkill->fd, &event, sizeof(event)); - if (len < 0) { - if (errno == EAGAIN) - break; /* No more entries */ - wpa_printf(MSG_ERROR, "rfkill: Event read failed: %s", - strerror(errno)); - break; - } - if (len != RFKILL_EVENT_SIZE_V1) { - wpa_printf(MSG_DEBUG, "rfkill: Unexpected event size " - "%d (expected %d)", - (int) len, RFKILL_EVENT_SIZE_V1); - continue; - } - wpa_printf(MSG_DEBUG, "rfkill: initial event: idx=%u type=%d " - "op=%u soft=%u hard=%u", - event.idx, event.type, event.op, event.soft, - event.hard); - if (event.op != RFKILL_OP_ADD || - event.type != RFKILL_TYPE_WLAN) - continue; - if (event.hard) { - wpa_printf(MSG_INFO, "rfkill: WLAN hard blocked"); - rfkill->blocked = 1; - } else if (event.soft) { - wpa_printf(MSG_INFO, "rfkill: WLAN soft blocked"); - rfkill->blocked = 1; - } - } - - eloop_register_read_sock(rfkill->fd, rfkill_receive, rfkill, NULL); - - return rfkill; - -fail2: - close(rfkill->fd); -fail: - os_free(rfkill); - return NULL; -} - - -void rfkill_deinit(struct rfkill_data *rfkill) -{ - if (rfkill == NULL) - return; - - if (rfkill->fd >= 0) { - eloop_unregister_read_sock(rfkill->fd); - close(rfkill->fd); - } - - os_free(rfkill->cfg); - os_free(rfkill); -} - - -int rfkill_is_blocked(struct rfkill_data *rfkill) -{ - if (rfkill == NULL) - return 0; - - return rfkill->blocked; -} |
