| Message ID | 1382819655-30430-12-git-send-email-pali.rohar@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
Hi! > > 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> > --- > drivers/net/wireless/ti/wl1251/main.c | 5 +++++ > drivers/net/wireless/ti/wl1251/tx.c | 17 +++++++++++++++++ > drivers/net/wireless/ti/wl1251/wl1251.h | 1 + > 3 files changed, 23 insertions(+) > > diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c > diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c > index 3cc82fd..1de4ccb 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) > { > @@ -298,6 +299,22 @@ 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) { > + ret = wl1251_cmd_join(wl, BSS_TYPE_STA_BSS, wl->channel, > + wl->beacon_int, wl->dtim_period); > + if (ret < 0) > + wl1251_warning("join failed"); > + else { > + ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, > + 100); > + if (ret < 0) > + wl1251_warning("join timeout"); > + else > + wl->joined = true; > + } > + } Create function enable_tx_for_packet_injection() and then just return so that you don't have to nest ifs? Thanks, Pavel
diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index 7e6b6d1..174f403 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -487,6 +487,7 @@ static void wl1251_op_stop(struct ieee80211_hw *hw) wl->rssi_thold = 0; wl->channel = WL1251_DEFAULT_CHANNEL; wl->monitor_present = false; + wl->joined = false; wl1251_debugfs_reset(wl); @@ -546,6 +547,7 @@ static void wl1251_op_remove_interface(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); wl->vif = NULL; + memset(wl->bssid, 0, ETH_ALEN); mutex_unlock(&wl->mutex); } @@ -619,6 +621,7 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) * at firmware level. */ if (wl->vif == NULL) { + wl->joined = false; ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1); } else { ret = wl1251_join(wl, wl->bss_type, wl->channel, @@ -1610,7 +1613,9 @@ struct ieee80211_hw *wl1251_alloc_hw(void) INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); wl->channel = WL1251_DEFAULT_CHANNEL; wl->monitor_present = false; + wl->joined = false; wl->scanning = false; + wl->bss_type = MAX_BSS_TYPE; wl->default_key = 0; wl->listen_int = 1; wl->rx_counter = 0; diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c index 3cc82fd..1de4ccb 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) { @@ -298,6 +299,22 @@ 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) { + ret = wl1251_cmd_join(wl, BSS_TYPE_STA_BSS, wl->channel, + wl->beacon_int, wl->dtim_period); + if (ret < 0) + wl1251_warning("join failed"); + else { + ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, + 100); + if (ret < 0) + wl1251_warning("join timeout"); + else + wl->joined = true; + } + } + ret = wl1251_tx_path_status(wl); if (ret < 0) return ret; diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h index e478e61..1bdf779 100644 --- a/drivers/net/wireless/ti/wl1251/wl1251.h +++ b/drivers/net/wireless/ti/wl1251/wl1251.h @@ -311,6 +311,7 @@ struct wl1251 { u8 listen_int; int channel; bool monitor_present; + bool joined; void *target_mem_map; struct acx_data_path_params_resp *data_path;