/******************************************************************************
*
- * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* Fill uCode API rate_n_flags field, based on "search" or "active" table.
*/
/* FIXME:RS:remove this function and put the flags statically in the table */
-static u32 rate_n_flags_from_tbl(struct iwl_scale_tbl_info *tbl,
- int index, u8 use_green)
+static u32 rate_n_flags_from_tbl(struct iwl_priv *priv,
+ struct iwl_scale_tbl_info *tbl,
+ int index, u8 use_green)
{
u32 rate_n_flags = 0;
} else if (is_Ht(tbl->lq_type)) {
if (index > IWL_LAST_OFDM_RATE) {
- IWL_ERROR("invalid HT rate index %d\n", index);
+ IWL_ERR(priv, "Invalid HT rate index %d\n", index);
index = IWL_LAST_OFDM_RATE;
}
rate_n_flags = RATE_MCS_HT_MSK;
else
rate_n_flags |= iwl_rates[index].plcp_mimo3;
} else {
- IWL_ERROR("Invalid tbl->lq_type %d\n", tbl->lq_type);
+ IWL_ERR(priv, "Invalid tbl->lq_type %d\n", tbl->lq_type);
}
rate_n_flags |= ((tbl->ant_type << RATE_MCS_ANT_POS) &
rate_n_flags |= RATE_MCS_GF_MSK;
if (is_siso(tbl->lq_type) && tbl->is_SGI) {
rate_n_flags &= ~RATE_MCS_SGI_MSK;
- IWL_ERROR("GF was set with SGI:SISO\n");
+ IWL_ERR(priv, "GF was set with SGI:SISO\n");
}
}
}
low = scale_index;
out:
- return rate_n_flags_from_tbl(tbl, low, is_green);
+ return rate_n_flags_from_tbl(lq_sta->drv, tbl, low, is_green);
}
/*
}
/* See if there's a better rate or modulation mode to try. */
- rs_rate_scale_perform(priv, hdr, sta, lq_sta);
+ if (sta && sta->supp_rates[sband->band])
+ rs_rate_scale_perform(priv, hdr, sta, lq_sta);
out:
return;
}
s32 rate;
s8 is_green = lq_sta->is_green;
- if (!conf->ht.enabled || !sta->ht_cap.ht_supported)
+ if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2)
rate, rate_mask);
return -1;
}
- tbl->current_rate = rate_n_flags_from_tbl(tbl, rate, is_green);
+ tbl->current_rate = rate_n_flags_from_tbl(priv, tbl, rate, is_green);
IWL_DEBUG_RATE("LQ: Switch to new mcs %X index is green %X\n",
tbl->current_rate, is_green);
u8 is_green = lq_sta->is_green;
s32 rate;
- if (!conf->ht.enabled || !sta->ht_cap.ht_supported)
+ if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
IWL_DEBUG_RATE("LQ: try to switch to SISO\n");
rate, rate_mask);
return -1;
}
- tbl->current_rate = rate_n_flags_from_tbl(tbl, rate, is_green);
+ tbl->current_rate = rate_n_flags_from_tbl(priv, tbl, rate, is_green);
IWL_DEBUG_RATE("LQ: Switch to new mcs %X index is green %X\n",
tbl->current_rate, is_green);
return 0;
if (!tbl->is_SGI)
break;
else
- IWL_ERROR("SGI was set in GF+SISO\n");
+ IWL_ERR(priv,
+ "SGI was set in GF+SISO\n");
}
search_tbl->is_SGI = !tbl->is_SGI;
rs_set_expected_tpt_table(lq_sta, search_tbl);
if (tpt >= search_tbl->expected_tpt[index])
break;
}
- search_tbl->current_rate = rate_n_flags_from_tbl(
- search_tbl, index, is_green);
+ search_tbl->current_rate =
+ rate_n_flags_from_tbl(priv, search_tbl,
+ index, is_green);
goto out;
}
tbl->action++;
if (tpt >= search_tbl->expected_tpt[index])
break;
}
- search_tbl->current_rate = rate_n_flags_from_tbl(
- search_tbl, index, is_green);
+ search_tbl->current_rate =
+ rate_n_flags_from_tbl(priv, search_tbl,
+ index, is_green);
goto out;
}
rate_scale_index_msk = rate_mask;
if (!((1 << index) & rate_scale_index_msk)) {
- IWL_ERROR("Current Rate is not valid\n");
+ IWL_ERR(priv, "Current Rate is not valid\n");
return;
}
/* Get expected throughput table and history window for current rate */
if (!tbl->expected_tpt) {
- IWL_ERROR("tbl->expected_tpt is NULL\n");
+ IWL_ERR(priv, "tbl->expected_tpt is NULL\n");
return;
}
lq_update:
/* Replace uCode's rate table for the destination station. */
if (update_lq) {
- rate = rate_n_flags_from_tbl(tbl, index, is_green);
+ rate = rate_n_flags_from_tbl(priv, tbl, index, is_green);
rs_fill_link_cmd(priv, lq_sta, rate);
iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC);
}
* stay with best antenna legacy modulation for a while
* before next round of mode comparisons. */
tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
- if (is_legacy(tbl1->lq_type) && !conf->ht.enabled &&
+ if (is_legacy(tbl1->lq_type) && !conf_is_ht(conf) &&
lq_sta->action_counter >= 1) {
lq_sta->action_counter = 0;
IWL_DEBUG_RATE("LQ: STAY in legacy table\n");
}
out:
- tbl->current_rate = rate_n_flags_from_tbl(tbl, index, is_green);
+ tbl->current_rate = rate_n_flags_from_tbl(priv, tbl, index, is_green);
i = index;
lq_sta->last_txrate_idx = i;
if (!rs_is_valid_ant(valid_tx_ant, tbl->ant_type))
rs_toggle_antenna(valid_tx_ant, &rate, tbl);
- rate = rate_n_flags_from_tbl(tbl, rate_idx, use_green);
+ rate = rate_n_flags_from_tbl(priv, tbl, rate_idx, use_green);
tbl->current_rate = rate;
rs_set_expected_tpt_table(lq_sta, tbl);
rs_fill_link_cmd(NULL, lq_sta, rate);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_lq_sta *lq_sta = priv_sta;
int rate_idx;
+ u64 mask_bit = 0;
IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n");
+ if (sta)
+ mask_bit = sta->supp_rates[sband->band];
+
/* Send management frames and broadcast/multicast data using lowest
* rate. */
if (!ieee80211_is_data(hdr->frame_control) ||
is_multicast_ether_addr(hdr->addr1) || !sta || !lq_sta) {
- info->control.rates[0].idx = rate_lowest_index(sband, sta);
+ if (!mask_bit)
+ info->control.rates[0].idx =
+ rate_lowest_index(sband, NULL);
+ else
+ info->control.rates[0].idx =
+ rate_lowest_index(sband, sta);
return;
}