iwl3945: Fix iwl3945 rate scaling.
3945 rate scaling was broken in recent tree. This patch fix the following:
1- Get TX response info and update rates window.
2- Rate scaling selection.
3- Flush window timer.
Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 6150004..d95a15f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -337,7 +337,7 @@
struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
int rate_idx;
- int fail, i;
+ int fail;
if ((index >= txq->q.n_bd) || (iwl3945_x2_queue_used(&txq->q, index) == 0)) {
IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
@@ -356,27 +356,9 @@
rate_idx -= IWL_FIRST_OFDM_RATE;
fail = tx_resp->failure_frame;
- for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
- int next = iwl3945_rs_next_rate(priv, rate_idx);
- info->status.rates[i].idx = rate_idx;
-
- /*
- * Put remaining into the last count as best approximation
- * of saying exactly what the hardware would have done...
- */
- if ((rate_idx == next) || (i == IEEE80211_TX_MAX_RATES - 1)) {
- info->status.rates[i].count = fail;
- break;
- }
-
- info->status.rates[i].count = priv->retry_rate;
- fail -= priv->retry_rate;
- rate_idx = next;
- if (fail <= 0)
- break;
- }
- info->status.rates[i].count++; /* add final attempt */
+ info->status.rates[0].idx = rate_idx;
+ info->status.rates[0].count = fail + 1; /* add final attempt */
/* tx_status->rts_retry_count = tx_resp->failure_rts; */
info->flags |= ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ?