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Commit 585dfe81 authored by Machani, Yaniv's avatar Machani, Yaniv Committed by Kalle Valo
Browse files

wlcore: time sync : add support for 64 bit clock 



Changed the configuration to support 64bit instead of 32bit
this in order to offload the driver from handling a wraparound.

Signed-off-by: default avatarYaniv Machani <yanivma@ti.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 16d25da9

drivers/net/wireless/ti/wl18xx/event.c

+17 −9
Original line number Diff line number Diff line
@@ -112,12 +112,18 @@ static int wlcore_smart_config_decode_event(struct wl1271 *wl, 
	return 0;

}



static void wlcore_event_time_sync(struct wl1271 *wl, u16 tsf_msb, u16 tsf_lsb)

static void wlcore_event_time_sync(struct wl1271 *wl,

				   u16 tsf_high_msb, u16 tsf_high_lsb,

				   u16 tsf_low_msb, u16 tsf_low_lsb)

{

	u32 clock;

	/* convert the MSB+LSB to a u32 TSF value */

	clock = (tsf_msb << 16) | tsf_lsb;

	wl1271_info("TIME_SYNC_EVENT_ID: clock %u", clock);

	u32 clock_low;

	u32 clock_high;



	clock_high = (tsf_high_msb << 16) | tsf_high_lsb;

	clock_low = (tsf_low_msb << 16) | tsf_low_lsb;



	wl1271_info("TIME_SYNC_EVENT_ID: clock_high %u, clock low %u",

		    clock_high, clock_low);

}



int wl18xx_process_mailbox_events(struct wl1271 *wl)
@@ -138,8 +144,10 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl) 


	if (vector & TIME_SYNC_EVENT_ID)

		wlcore_event_time_sync(wl,

				mbox->time_sync_tsf_msb,

				mbox->time_sync_tsf_lsb);

			mbox->time_sync_tsf_high_msb,

			mbox->time_sync_tsf_high_lsb,

			mbox->time_sync_tsf_low_msb,

			mbox->time_sync_tsf_low_lsb);



	if (vector & RADAR_DETECTED_EVENT_ID) {

		wl1271_info("radar event: channel %d type %s",
@@ -187,11 +195,11 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl) 
	 */

	if (vector & MAX_TX_FAILURE_EVENT_ID)

		wlcore_event_max_tx_failure(wl,

				le32_to_cpu(mbox->tx_retry_exceeded_bitmap));

				le16_to_cpu(mbox->tx_retry_exceeded_bitmap));



	if (vector & INACTIVE_STA_EVENT_ID)

		wlcore_event_inactive_sta(wl,

				le32_to_cpu(mbox->inactive_sta_bitmap));

				le16_to_cpu(mbox->inactive_sta_bitmap));



	if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID)

		wlcore_event_roc_complete(wl);

drivers/net/wireless/ti/wl18xx/event.h

+13 −6
Original line number Diff line number Diff line
@@ -74,10 +74,16 @@ struct wl18xx_event_mailbox { 
	__le16 bss_loss_bitmap;



	/* bitmap of stations (by HLID) which exceeded max tx retries */

	__le32 tx_retry_exceeded_bitmap;

	__le16 tx_retry_exceeded_bitmap;



	/* time sync high msb*/

	__le16 time_sync_tsf_high_msb;



	/* bitmap of inactive stations (by HLID) */

	__le32 inactive_sta_bitmap;

	__le16 inactive_sta_bitmap;



	/* time sync high lsb*/

	__le16 time_sync_tsf_high_lsb;



	/* rx BA win size indicated by RX_BA_WIN_SIZE_CHANGE_EVENT_ID */

	u8 rx_ba_role_id;
@@ -98,14 +104,15 @@ struct wl18xx_event_mailbox { 
	u8 sc_sync_channel;

	u8 sc_sync_band;



	/* time sync msb*/

	u16 time_sync_tsf_msb;

	/* time sync low msb*/

	__le16 time_sync_tsf_low_msb;



	/* radar detect */

	u8 radar_channel;

	u8 radar_type;



	/* time sync lsb*/

	u16 time_sync_tsf_lsb;

	/* time sync low lsb*/

	__le16 time_sync_tsf_low_lsb;



} __packed;