From 700f6c02582ee43b09ea2ae9d619d652ca87a219 Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Sun, 31 May 2015 10:35:20 +0100 Subject: [PATCH] staging: vt6655: implement ieee80211_low_level_stats Collect low level stats from mib counter for mac80211 call. Replacing the unused function STAvUpdate802_11Counter. Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6655/device.h | 2 ++ drivers/staging/vt6655/device_main.c | 24 +++++++++++++++++++++--- 2 files changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h index 440537e47121..a49c6c624c5e 100644 --- a/drivers/staging/vt6655/device.h +++ b/drivers/staging/vt6655/device.h @@ -410,6 +410,8 @@ struct vnt_private { unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */ unsigned short wBeaconInterval; + + struct ieee80211_low_level_stats low_stats; }; static inline PDEVICE_RD_INFO alloc_rd_info(void) diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 8f96cc93820a..c27f5ef7f0a2 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1056,8 +1056,9 @@ static void vnt_check_bb_vga(struct vnt_private *priv) static irqreturn_t device_intr(int irq, void *dev_instance) { struct vnt_private *pDevice = dev_instance; + struct ieee80211_low_level_stats *low_stats = &pDevice->low_stats; int max_count = 0; - unsigned long dwMIBCounter = 0; + u32 mib_counter; unsigned char byOrgPageSel = 0; int handled = 0; unsigned long flags; @@ -1084,14 +1085,20 @@ static irqreturn_t device_intr(int irq, void *dev_instance) else byOrgPageSel = 0; - MACvReadMIBCounter(pDevice->PortOffset, &dwMIBCounter); + /* Read low level stats */ + MACvReadMIBCounter(pDevice->PortOffset, &mib_counter); + + low_stats->dot11RTSSuccessCount += mib_counter & 0xff; + low_stats->dot11RTSFailureCount += (mib_counter >> 8) & 0xff; + low_stats->dot11ACKFailureCount += (mib_counter >> 16) & 0xff; + low_stats->dot11FCSErrorCount += (mib_counter >> 24) & 0xff; + /* * TBD.... * Must do this after doing rx/tx, cause ISR bit is slow * than RD/TD write back * update ISR counter */ - STAvUpdate802_11Counter(&pDevice->s802_11Counter, &pDevice->scStatistic, dwMIBCounter); while (pDevice->dwIsr && pDevice->vif) { STAvUpdateIsrStatCounter(&pDevice->scStatistic, pDevice->dwIsr); MACvWriteISR(pDevice->PortOffset, pDevice->dwIsr); @@ -1604,6 +1611,16 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return 0; } +static int vnt_get_stats(struct ieee80211_hw *hw, + struct ieee80211_low_level_stats *stats) +{ + struct vnt_private *priv = hw->priv; + + memcpy(stats, &priv->low_stats, sizeof(*stats)); + + return 0; +} + static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct vnt_private *priv = hw->priv; @@ -1641,6 +1658,7 @@ static const struct ieee80211_ops vnt_mac_ops = { .prepare_multicast = vnt_prepare_multicast, .configure_filter = vnt_configure, .set_key = vnt_set_key, + .get_stats = vnt_get_stats, .get_tsf = vnt_get_tsf, .set_tsf = vnt_set_tsf, .reset_tsf = vnt_reset_tsf, -- 2.20.1