Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:37014 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751589AbcFWLLw (ORCPT ); Thu, 23 Jun 2016 07:11:52 -0400 From: Yaniv Machani To: CC: Yaniv Machani , Kalle Valo , Guy Mishol , Eliad Peller , Johannes Berg , , Subject: [PATCH] wlcore: time sync : add support for 64 bit clock Date: Thu, 23 Jun 2016 14:12:39 +0300 Message-ID: <20160623111332.23326-1-yanivma@ti.com> (sfid-20160623_131215_419855_E4550AFE) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Changed the configuration to support 64bit instead of 32bit this in order to offload the driver from handling a wraparound. Signed-off-by: Yaniv Machani --- drivers/net/wireless/ti/wl18xx/event.c | 26 +++++++++++++++++--------- drivers/net/wireless/ti/wl18xx/event.h | 19 +++++++++++++------ 2 files changed, 30 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c index ef81184..2c5df43 100644 --- a/drivers/net/wireless/ti/wl18xx/event.c +++ b/drivers/net/wireless/ti/wl18xx/event.c @@ -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); diff --git a/drivers/net/wireless/ti/wl18xx/event.h b/drivers/net/wireless/ti/wl18xx/event.h index 070de12..b436bf9 100644 --- a/drivers/net/wireless/ti/wl18xx/event.h +++ b/drivers/net/wireless/ti/wl18xx/event.h @@ -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*/ + u16 time_sync_tsf_high_msb; /* bitmap of inactive stations (by HLID) */ - __le32 inactive_sta_bitmap; + __le16 inactive_sta_bitmap; + + /* time sync high lsb*/ + u16 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*/ + u16 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*/ + u16 time_sync_tsf_low_lsb; } __packed; -- 2.9.0