diff options
author | Mattias Nissler <mattias.nissler@gmx.de> | 2007-12-20 13:50:07 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:59:17 -0800 |
commit | 1abbe498e4b5e4f2000dfc30a0fa25be9553530e (patch) | |
tree | 8f899d2f623b2316f874fd8ae4b84838ad4e8b40 /net/mac80211/tx.c | |
parent | 98f0b0a3a412eade153c7cf00c6b863600980d89 (diff) | |
download | kernel_samsung_smdk4412-1abbe498e4b5e4f2000dfc30a0fa25be9553530e.zip kernel_samsung_smdk4412-1abbe498e4b5e4f2000dfc30a0fa25be9553530e.tar.gz kernel_samsung_smdk4412-1abbe498e4b5e4f2000dfc30a0fa25be9553530e.tar.bz2 |
mac80211: clean up rate selection
Move some code out of rc80211_simple since it's probably needed for all rate
selection algorithms, and fix iwlwifi accordingly. While at it, clean up the
rate_control_get_rate() interface.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 12c1558..4655e30 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -569,21 +569,17 @@ ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) static ieee80211_txrx_result ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) { - struct rate_control_extra extra; + struct rate_selection rsel; if (likely(!tx->u.tx.rate)) { - memset(&extra, 0, sizeof(extra)); - extra.mode = tx->u.tx.mode; - extra.ethertype = tx->ethertype; - - tx->u.tx.rate = rate_control_get_rate(tx->local, tx->dev, - tx->skb, &extra); - if (unlikely(extra.probe != NULL)) { + rate_control_get_rate(tx->dev, tx->u.tx.mode, tx->skb, &rsel); + tx->u.tx.rate = rsel.rate; + if (unlikely(rsel.probe != NULL)) { tx->u.tx.control->flags |= IEEE80211_TXCTL_RATE_CTRL_PROBE; tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; tx->u.tx.control->alt_retry_rate = tx->u.tx.rate->val; - tx->u.tx.rate = extra.probe; + tx->u.tx.rate = rsel.probe; } else tx->u.tx.control->alt_retry_rate = -1; @@ -594,14 +590,14 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) if (tx->u.tx.mode->mode == MODE_IEEE80211G && (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) && - (tx->flags & IEEE80211_TXRXD_FRAGMENTED) && extra.nonerp) { + (tx->flags & IEEE80211_TXRXD_FRAGMENTED) && rsel.nonerp) { tx->u.tx.last_frag_rate = tx->u.tx.rate; - if (extra.probe) + if (rsel.probe) tx->flags &= ~IEEE80211_TXRXD_TXPROBE_LAST_FRAG; else tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; - tx->u.tx.rate = extra.nonerp; - tx->u.tx.control->rate = extra.nonerp; + tx->u.tx.rate = rsel.nonerp; + tx->u.tx.control->rate = rsel.nonerp; tx->u.tx.control->flags &= ~IEEE80211_TXCTL_RATE_CTRL_PROBE; } else { tx->u.tx.last_frag_rate = tx->u.tx.rate; @@ -1667,8 +1663,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id, struct net_device *bdev; struct ieee80211_sub_if_data *sdata = NULL; struct ieee80211_if_ap *ap = NULL; - struct ieee80211_rate *rate; - struct rate_control_extra extra; + struct rate_selection rsel; u8 *b_head, *b_tail; int bh_len, bt_len; @@ -1712,14 +1707,13 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id, } if (control) { - memset(&extra, 0, sizeof(extra)); - extra.mode = local->oper_hw_mode; - - rate = rate_control_get_rate(local, local->mdev, skb, &extra); - if (!rate) { + rate_control_get_rate(local->mdev, local->oper_hw_mode, skb, + &rsel); + if (!rsel.rate) { if (net_ratelimit()) { - printk(KERN_DEBUG "%s: ieee80211_beacon_get: no rate " - "found\n", wiphy_name(local->hw.wiphy)); + printk(KERN_DEBUG "%s: ieee80211_beacon_get: " + "no rate found\n", + wiphy_name(local->hw.wiphy)); } dev_kfree_skb(skb); return NULL; @@ -1727,8 +1721,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id, control->tx_rate = ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) && - (rate->flags & IEEE80211_RATE_PREAMBLE2)) ? - rate->val2 : rate->val; + (rsel.rate->flags & IEEE80211_RATE_PREAMBLE2)) ? + rsel.rate->val2 : rsel.rate->val; control->antenna_sel_tx = local->hw.conf.antenna_sel_tx; control->power_level = local->hw.conf.power_level; control->flags |= IEEE80211_TXCTL_NO_ACK; |