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nl80211: add htmode to iwinfo_ops

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This callback shows the currently active HTMODE of the device.

Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>
This commit is contained in:
Daniel Danzberger 2019-12-19 15:41:24 +01:00 committed by Hauke Mehrtens
parent a6f6c05348
commit bf2c1069a7
2 changed files with 73 additions and 1 deletions
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4
include/iwinfo.h
View file

@ -88,8 +88,9 @@ enum iwinfo_htmode {
IWINFO_HTMODE_VHT80 = (1 << 4),
IWINFO_HTMODE_VHT80_80 = (1 << 5),
IWINFO_HTMODE_VHT160 = (1 << 6),
IWINFO_HTMODE_NOHT = (1 << 7),
IWINFO_HTMODE_COUNT = 7
IWINFO_HTMODE_COUNT = 8
};
extern const char *IWINFO_HTMODE_NAMES[IWINFO_HTMODE_COUNT];
@ -231,6 +232,7 @@ struct iwinfo_ops {
int (*mbssid_support)(const char *, int *);
int (*hwmodelist)(const char *, int *);
int (*htmodelist)(const char *, int *);
int (*htmode)(const char *, int *);
int (*ssid)(const char *, char *);
int (*bssid)(const char *, char *);
int (*country)(const char *, char *);

70
iwinfo_nl80211.c
View file

@ -2958,6 +2958,75 @@ out:
return -1;
}
struct chan_info {
int width;
int mode;
};
static int nl80211_get_htmode_cb(struct nl_msg *msg, void *arg)
{
struct nlattr **tb = nl80211_parse(msg);
struct nlattr *cur;
struct chan_info *chn = arg;
if ((cur = tb[NL80211_ATTR_CHANNEL_WIDTH]))
chn->width = nla_get_u32(cur);
if ((cur = tb[NL80211_ATTR_BSS_HT_OPMODE]))
chn->mode = nla_get_u32(cur);
return NL_SKIP;
}
static int nl80211_get_htmode(const char *ifname, int *buf)
{
struct chan_info chn = { .width = 0, .mode = 0 };
char *res;
int err;
res = nl80211_phy2ifname(ifname);
*buf = 0;
err = nl80211_request(res ? res : ifname,
NL80211_CMD_GET_INTERFACE, 0,
nl80211_get_htmode_cb, &chn);
if (err)
return -1;
switch (chn.width) {
case NL80211_CHAN_WIDTH_20:
if (chn.mode == -1)
*buf = IWINFO_HTMODE_VHT20;
else
*buf = IWINFO_HTMODE_HT20;
break;
case NL80211_CHAN_WIDTH_40:
if (chn.mode == -1)
*buf = IWINFO_HTMODE_VHT40;
else
*buf = IWINFO_HTMODE_HT40;
break;
case NL80211_CHAN_WIDTH_80:
*buf = IWINFO_HTMODE_VHT80;
break;
case NL80211_CHAN_WIDTH_80P80:
*buf = IWINFO_HTMODE_VHT80_80;
break;
case NL80211_CHAN_WIDTH_160:
*buf = IWINFO_HTMODE_VHT160;
break;
case NL80211_CHAN_WIDTH_5:
case NL80211_CHAN_WIDTH_10:
case NL80211_CHAN_WIDTH_20_NOHT:
*buf = IWINFO_HTMODE_NOHT;
break;
default:
return -1;
}
return 0;
}
static int nl80211_get_htmodelist(const char *ifname, int *buf)
{
struct nl80211_modes m = { 0 };
@ -3147,6 +3216,7 @@ const struct iwinfo_ops nl80211_ops = {
.mbssid_support = nl80211_get_mbssid_support,
.hwmodelist = nl80211_get_hwmodelist,
.htmodelist = nl80211_get_htmodelist,
.htmode = nl80211_get_htmode,
.mode = nl80211_get_mode,
.ssid = nl80211_get_ssid,
.bssid = nl80211_get_bssid,