Hi Luis,
On Tue, 2009-07-14 at 17:14 -0700, Luis R. Rodriguez wrote:
> All current rate control algorithms agree to send management and no-ack
> frames at the lowest rate. They also agree to do this when sta
> and the private rate control data is NULL. We add a hlper to mac80211
> for this and simplify the rate control algorithm code.
>
> Developers wishing to make enhancements to rate control algorithms
> are for broadcast/multicast can opt to not use this in their
> gate_rate() mac80211 callback.
>
> Cc: Zhu Yi <yi.zhu@xxxxxxxxx>
> Cc: Reinette Chatre <reinette.chatre@xxxxxxxxx>
> Cc: ipw3945-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: Gabor Juhos <juhosg@xxxxxxxxxxx>
> Cc: Felix Fietkau <nbd@xxxxxxxxxxx>
> Cc: Derek Smithies <derek@xxxxxxxxxxxxxx>
> Cc: Chittajit Mitra <Chittajit.Mitra@xxxxxxxxxxx>
> Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath9k/rc.c | 14 +------------
> drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 13 ++---------
> drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 7 +-----
> include/net/mac80211.h | 23 ++++++++++++++++++++++
> net/mac80211/rate.c | 29 ++++++++++++++++++++++++++++
> net/mac80211/rc80211_minstrel.c | 22 +--------------------
> net/mac80211/rc80211_pid_algo.c | 11 +---------
> 7 files changed, 59 insertions(+), 60 deletions(-)
>
> diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
> index 3fea027..695a841 100644
> --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
> +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
> @@ -2481,13 +2481,8 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
> }
>
> /* Send management frames and NO_ACK data using lowest rate. */
> - if (!ieee80211_is_data(hdr->frame_control) ||
> - info->flags & IEEE80211_TX_CTL_NO_ACK || !sta || !lq_sta) {
> - info->control.rates[0].idx = rate_lowest_index(sband, sta);
> - if (info->flags & IEEE80211_TX_CTL_NO_ACK)
> - info->control.rates[0].count = 1;
> + if (rate_control_send_low(sta, priv_r, txrc))
I think it should be priv_sta instead of priv_r here.
The rest looks good for iwlwifi.
Reinette
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