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wireless: restrict to 32 legacy rates

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Since the standards only define 12 legacy rates, 32 is certainly
a sane upper limit and we don't need to use u64 everywhere. Add
sanity checking that no more than 32 rates are registered and
change the variables to u32 throughout.

Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Johannes Berg 2009-01-21 15:13:48 +01:00 • committed by John W. Linville
commit 881d948c23
14 changed files with 35 additions and 29 deletions
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4
include/net/mac80211.h
View file

@ -207,7 +207,7 @@ struct ieee80211_bss_conf {
u16 beacon_int;
u16 assoc_capability;
u64 timestamp;
u64 basic_rates;
u32 basic_rates;
struct ieee80211_bss_ht_conf ht;
};
@ -761,7 +761,7 @@ enum set_key_cmd {
* sizeof(void *), size is determined in hw information.
*/
struct ieee80211_sta {
u64 supp_rates[IEEE80211_NUM_BANDS];
u32 supp_rates[IEEE80211_NUM_BANDS];
u8 addr[ETH_ALEN];
u16 aid;
struct ieee80211_sta_ht_cap ht_cap;

2
include/net/wireless.h
View file

@ -367,7 +367,7 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq)
*/
struct ieee80211_rate *
ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
u64 basic_rates, int bitrate);
u32 basic_rates, int bitrate);
/**
* regulatory_hint - driver hint to the wireless core a regulatory domain