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mac80211: add support for mcs masks

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* Handle MCS masks set by the user.
* Match rates provided by the rate control algorithm to the mask set,
  also in HT mode, and switch back to legacy mode if necessary.
* add debugfs files to observate the rate selection

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Simon Wunderlich
2012-01-28 17:25:33 +01:00
committed by John W. Linville
parent 24db78c05b
commit 19468413e8
7 changed files with 168 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/mac80211/debugfs_netdev.c
+34
View File
@@ -87,6 +87,21 @@ static ssize_t ieee80211_if_fmt_##name( \
#define IEEE80211_IF_FMT_SIZE(name, field) \
IEEE80211_IF_FMT(name, field, "%zd\n")
#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
static ssize_t ieee80211_if_fmt_##name( \
const struct ieee80211_sub_if_data *sdata, \
char *buf, int buflen) \
{ \
char *p = buf; \
int i; \
for (i = 0; i < sizeof(sdata->field); i++) { \
p += scnprintf(p, buflen + buf - p, "%.2x ", \
sdata->field[i]); \
} \
p += scnprintf(p, buflen + buf - p, "\n"); \
return p - buf; \
}
#define IEEE80211_IF_FMT_ATOMIC(name, field) \
static ssize_t ieee80211_if_fmt_##name( \
const struct ieee80211_sub_if_data *sdata, \
@@ -148,6 +163,11 @@ IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
HEX);
IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
HEX);
IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
IEEE80211_IF_FILE(flags, flags, HEX);
IEEE80211_IF_FILE(state, state, LHEX);
IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
@@ -442,6 +462,8 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
DEBUGFS_ADD(bssid);
DEBUGFS_ADD(aid);
@@ -459,6 +481,8 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
DEBUGFS_ADD(num_sta_authorized);
DEBUGFS_ADD(num_sta_ps);
@@ -469,6 +493,12 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata)
static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
DEBUGFS_ADD_MODE(tsf, 0600);
}
@@ -480,6 +510,8 @@ static void add_wds_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
DEBUGFS_ADD(peer);
}
@@ -492,6 +524,8 @@ static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
}
static void add_monitor_files(struct ieee80211_sub_if_data *sdata)