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cfg80211/mac80211: improve ad-hoc multicast rate handling

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- store the multicast rate as an index instead of the rate value
  (reduces cpu overhead in a hotpath)
- validate the rate values (must match a bitrate in at least one sband)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-11-22 20:58:24 +01:00 • committed by John W. Linville
commit dd5b4cc71c
5 changed files with 51 additions and 21 deletions
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4
include/net/mac80211.h
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@ -219,7 +219,7 @@ enum ieee80211_bss_change {
* @basic_rates: bitmap of basic rates, each bit stands for an
* index into the rate table configured by the driver in
* the current band.
* @mcast_rate: multicast rate for AP and Ad-Hoc (in 100 kbps)
* @mcast_rate: per-band multicast rate index + 1 (0: disabled)
* @bssid: The BSSID for this BSS
* @enable_beacon: whether beaconing should be enabled or not
* @channel_type: Channel type for this BSS -- the hardware might be
@ -259,7 +259,7 @@ struct ieee80211_bss_conf {
u16 assoc_capability;
u64 timestamp;
u32 basic_rates;
u32 mcast_rate;
int mcast_rate[IEEE80211_NUM_BANDS];
u16 ht_operation_mode;
s32 cqm_rssi_thold;
u32 cqm_rssi_hyst;