diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy/pio.c')
| -rw-r--r-- | drivers/net/wireless/b43legacy/pio.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c index a86c7647fa2..746d5361bba 100644 --- a/drivers/net/wireless/b43legacy/pio.c +++ b/drivers/net/wireless/b43legacy/pio.c @@ -491,6 +491,7 @@ void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, struct b43legacy_pioqueue *queue; struct b43legacy_pio_txpacket *packet; struct ieee80211_tx_info *info; + int retry_limit; queue = parse_cookie(dev, status->cookie, &packet); B43legacy_WARN_ON(!queue); @@ -503,11 +504,37 @@ void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev, sizeof(struct b43legacy_txhdr_fw3)); info = IEEE80211_SKB_CB(packet->skb); - memset(&info->status, 0, sizeof(info->status)); + + /* preserve the confiured retry limit before clearing the status + * The xmit function has overwritten the rc's value with the actual + * retry limit done by the hardware */ + retry_limit = info->status.rates[0].count; + ieee80211_tx_info_clear_status(info); if (status->acked) info->flags |= IEEE80211_TX_STAT_ACK; - info->status.retry_count = status->frame_count - 1; + + if (status->rts_count > dev->wl->hw->conf.short_frame_max_tx_count) { + /* + * If the short retries (RTS, not data frame) have exceeded + * the limit, the hw will not have tried the selected rate, + * but will have used the fallback rate instead. + * Don't let the rate control count attempts for the selected + * rate in this case, otherwise the statistics will be off. + */ + info->status.rates[0].count = 0; + info->status.rates[1].count = status->frame_count; + } else { + if (status->frame_count > retry_limit) { + info->status.rates[0].count = retry_limit; + info->status.rates[1].count = status->frame_count - + retry_limit; + + } else { + info->status.rates[0].count = status->frame_count; + info->status.rates[1].idx = -1; + } + } ieee80211_tx_status_irqsafe(dev->wl->hw, packet->skb); packet->skb = NULL; |