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netdev: parse rates in netdev_get_station

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James Prestwood 2021-01-14 12:54:38 -08:00 committed by Denis Kenzior
parent 67cb8de2ef
commit 0ba73ec139
2 changed files with 112 additions and 0 deletions
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94
src/netdev.c
View File

@ -368,11 +368,74 @@ int netdev_set_powered(struct netdev *netdev, bool powered,
return 0; return 0;
} }
static bool netdev_parse_bitrate(struct l_genl_attr *attr,
enum netdev_mcs_type *type_out,
uint32_t *rate_out,
uint8_t *mcs_out)
{
uint16_t type, len;
const void *data;
uint32_t rate = 0;
uint8_t mcs = 0;
enum netdev_mcs_type mcs_type = NETDEV_MCS_TYPE_NONE;
while (l_genl_attr_next(attr, &type, &len, &data)) {
switch (type) {
case NL80211_RATE_INFO_BITRATE32:
if (len != 4)
return false;
rate = l_get_u32(data);
break;
case NL80211_RATE_INFO_MCS:
if (len != 1)
return false;
mcs = l_get_u8(data);
mcs_type = NETDEV_MCS_TYPE_HT;
break;
case NL80211_RATE_INFO_VHT_MCS:
if (len != 1)
return false;
mcs = l_get_u8(data);
mcs_type = NETDEV_MCS_TYPE_VHT;
break;
case NL80211_RATE_INFO_HE_MCS:
if (len != 1)
return false;
mcs = l_get_u8(data);
mcs_type = NETDEV_MCS_TYPE_HE;
break;
}
}
if (!rate)
return false;
*type_out = mcs_type;
*rate_out = rate;
if (mcs_type != NETDEV_MCS_TYPE_NONE)
*mcs_out = mcs;
return true;
}
static bool netdev_parse_sta_info(struct l_genl_attr *attr, static bool netdev_parse_sta_info(struct l_genl_attr *attr,
struct netdev_station_info *info) struct netdev_station_info *info)
{ {
uint16_t type, len; uint16_t type, len;
const void *data; const void *data;
struct l_genl_attr nested;
while (l_genl_attr_next(attr, &type, &len, &data)) { while (l_genl_attr_next(attr, &type, &len, &data)) {
switch (type) { switch (type) {
@ -383,6 +446,37 @@ static bool netdev_parse_sta_info(struct l_genl_attr *attr,
info->cur_rssi = *(const int8_t *) data; info->cur_rssi = *(const int8_t *) data;
info->have_cur_rssi = true; info->have_cur_rssi = true;
break;
case NL80211_STA_INFO_RX_BITRATE:
if (!l_genl_attr_recurse(attr, &nested))
return false;
if (!netdev_parse_bitrate(&nested, &info->rx_mcs_type,
&info->rx_bitrate,
&info->rx_mcs))
return false;
info->have_rx_bitrate = true;
if (info->rx_mcs_type != NETDEV_MCS_TYPE_NONE)
info->have_rx_mcs = true;
break;
case NL80211_STA_INFO_TX_BITRATE:
if (!l_genl_attr_recurse(attr, &nested))
return false;
if (!netdev_parse_bitrate(&nested, &info->tx_mcs_type,
&info->tx_bitrate,
&info->tx_mcs))
return false;
info->have_tx_bitrate = true;
if (info->tx_mcs_type != NETDEV_MCS_TYPE_NONE)
info->have_tx_mcs = true;
break; break;
} }
} }

18
src/netdev.h
View File

@ -114,11 +114,29 @@ typedef void (*netdev_station_watch_func_t)(struct netdev *netdev,
const uint8_t *mac, bool added, const uint8_t *mac, bool added,
void *user_data); void *user_data);
enum netdev_mcs_type {
NETDEV_MCS_TYPE_NONE,
NETDEV_MCS_TYPE_HT,
NETDEV_MCS_TYPE_VHT,
NETDEV_MCS_TYPE_HE,
};
struct netdev_station_info { struct netdev_station_info {
uint8_t addr[6]; uint8_t addr[6];
int8_t cur_rssi; int8_t cur_rssi;
enum netdev_mcs_type rx_mcs_type;
uint32_t rx_bitrate;
uint8_t rx_mcs;
enum netdev_mcs_type tx_mcs_type;
uint32_t tx_bitrate;
uint8_t tx_mcs;
bool have_cur_rssi : 1; bool have_cur_rssi : 1;
bool have_rx_mcs : 1;
bool have_tx_mcs : 1;
bool have_rx_bitrate : 1;
bool have_tx_bitrate : 1;
}; };
typedef void (*netdev_get_station_cb_t)(const struct netdev_station_info *info, typedef void (*netdev_get_station_cb_t)(const struct netdev_station_info *info,