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[net80211] rename 11n rate macros into a useful spot

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* begin moving the 11n macros out of ieee80211_phy.c and
  into a header so they can be used elsewhere.

* rename some of them into the IEEE80211_* namespace.

* convert HT_RC_2_MCS() to work with three-stream rates.
This commit is contained in:
Adrian Chadd 2016-04-05 22:01:56 +00:00
parent 22e6904e8f
commit 57f78a351e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=297595
2 changed files with 9 additions and 1 deletions
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2
sys/net80211/ieee80211_phy.c
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@ -590,7 +590,7 @@ static const uint16_t ht40_bps[32] = {
#define HT_STF 4
#define HT_LTF(n) ((n) * 4)
#define HT_RC_2_MCS(_rc) ((_rc) & 0xf)
#define HT_RC_2_MCS(_rc) ((_rc) & 0x1f)
#define HT_RC_2_STREAMS(_rc) ((((_rc) & 0x78) >> 3) + 1)
#define IS_HT_RATE(_rc) ( (_rc) & IEEE80211_RATE_MCS)

8
sys/net80211/ieee80211_phy.h
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@ -194,6 +194,14 @@ uint8_t ieee80211_plcp2rate(uint8_t, enum ieee80211_phytype);
*/
uint8_t ieee80211_rate2plcp(int, enum ieee80211_phytype);
/*
* 802.11n rate manipulation.
*/
#define IEEE80211_HT_RC_2_MCS(_rc) ((_rc) & 0x1f)
#define IEEE80211_HT_RC_2_STREAMS(_rc) ((((_rc) & 0x78) >> 3) + 1)
#define IEEE80211_IS_HT_RATE(_rc) ( (_rc) & IEEE80211_RATE_MCS)
uint32_t ieee80211_compute_duration_ht(uint32_t frameLen,
uint16_t rate, int streams, int isht40,
int isShortGI);