diff options
| author | David Gnedt <david.gnedt@davizone.at> | 2014-01-07 13:10:14 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-01-09 10:56:08 -0500 |
| commit | c8909e5a275bfb57dc525d6551ed572e118e2eea (patch) | |
| tree | e7cada306a872a763cc58ab42695aa7b6380b138 /drivers/net/wireless/ti/wl1251/tx.c | |
| parent | ed3213c9134f322b8faf945a1528a0f0344c8510 (diff) | |
wl1251: enable tx path in monitor mode if necessary for packet injection
If necessary enable the tx path in monitor mode for packet injection using
the JOIN command with BSS_TYPE_STA_BSS and zero BSSID.
Signed-off-by: David Gnedt <david.gnedt@davizone.at>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl1251/tx.c')
| -rw-r--r-- | drivers/net/wireless/ti/wl1251/tx.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c index 466cd25c022b..b91ea24bcedb 100644 --- a/drivers/net/wireless/ti/wl1251/tx.c +++ b/drivers/net/wireless/ti/wl1251/tx.c @@ -28,6 +28,7 @@ #include "tx.h" #include "ps.h" #include "io.h" +#include "event.h" static bool wl1251_tx_double_buffer_busy(struct wl1251 *wl, u32 data_out_count) { @@ -277,6 +278,26 @@ static void wl1251_tx_trigger(struct wl1251 *wl) TX_STATUS_DATA_OUT_COUNT_MASK; } +static void enable_tx_for_packet_injection(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_cmd_join(wl, BSS_TYPE_STA_BSS, wl->channel, + wl->beacon_int, wl->dtim_period); + if (ret < 0) { + wl1251_warning("join failed"); + return; + } + + ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100); + if (ret < 0) { + wl1251_warning("join timeout"); + return; + } + + wl->joined = true; +} + /* caller must hold wl->mutex */ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb) { @@ -298,6 +319,10 @@ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb) } } + /* Enable tx path in monitor mode for packet injection */ + if ((wl->vif == NULL) && !wl->joined) + enable_tx_for_packet_injection(wl); + ret = wl1251_tx_path_status(wl); if (ret < 0) return ret; |