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authorFelix Fietkau <nbd@nbd.name>2021-01-15 13:02:35 +0100
committerJohannes Berg <johannes.berg@intel.com>2021-01-22 09:11:37 +0100
commita7844a53846017c34804b0a22bbda855cb08dd7c (patch)
treeda0e2504bd298d7b55f3294dc1ec8badf0ea4537 /net/mac80211/rc80211_minstrel_ht.h
parentf84de063985a6f8e3adb0c0b409ca51452b4def0 (diff)
downloadlinux-a7844a53846017c34804b0a22bbda855cb08dd7c.tar.bz2
mac80211: minstrel_ht: add support for OFDM rates on non-HT clients
The legacy minstrel code is essentially unmaintained and receives only very little testing. In order to bring the significant algorithm improvements from minstrel_ht to legacy clients, this patch adds support for OFDM rates to minstrel_ht and removes the fallback to the legacy codepath. This also makes it work much better on hardware with rate selection constraints, e.g. mt76. Signed-off-by: Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20210115120242.89616-3-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rc80211_minstrel_ht.h')
-rw-r--r--net/mac80211/rc80211_minstrel_ht.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h
index 11300fa48a2f..3321630ebeea 100644
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -18,14 +18,15 @@
MINSTREL_HT_STREAM_GROUPS)
#define MINSTREL_VHT_GROUPS_NB (MINSTREL_MAX_STREAMS * \
MINSTREL_VHT_STREAM_GROUPS)
-#define MINSTREL_CCK_GROUPS_NB 1
+#define MINSTREL_LEGACY_GROUPS_NB 2
#define MINSTREL_GROUPS_NB (MINSTREL_HT_GROUPS_NB + \
MINSTREL_VHT_GROUPS_NB + \
- MINSTREL_CCK_GROUPS_NB)
+ MINSTREL_LEGACY_GROUPS_NB)
#define MINSTREL_HT_GROUP_0 0
#define MINSTREL_CCK_GROUP (MINSTREL_HT_GROUP_0 + MINSTREL_HT_GROUPS_NB)
-#define MINSTREL_VHT_GROUP_0 (MINSTREL_CCK_GROUP + 1)
+#define MINSTREL_OFDM_GROUP (MINSTREL_CCK_GROUP + 1)
+#define MINSTREL_VHT_GROUP_0 (MINSTREL_OFDM_GROUP + 1)
#define MCS_GROUP_RATES 10
@@ -37,6 +38,8 @@ struct mcs_group {
u16 duration[MCS_GROUP_RATES];
};
+extern const s16 minstrel_cck_bitrates[4];
+extern const s16 minstrel_ofdm_bitrates[8];
extern const struct mcs_group minstrel_mcs_groups[];
struct minstrel_mcs_group_data {
@@ -99,6 +102,8 @@ struct minstrel_ht_sta {
/* current MCS group to be sampled */
u8 sample_group;
+ u8 band;
+
/* Bitfield of supported MCS rates of all groups */
u16 supported[MINSTREL_GROUPS_NB];
@@ -107,13 +112,9 @@ struct minstrel_ht_sta {
};
struct minstrel_ht_sta_priv {
- union {
- struct minstrel_ht_sta ht;
- struct minstrel_sta_info legacy;
- };
+ struct minstrel_ht_sta ht;
void *ratelist;
void *sample_table;
- bool is_ht;
};
void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);