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cfg80211: add a field for the bitrate of the last rx data packet from a station

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Also fix a typo in the STATION_INFO_TX_BITRATE description

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2011-02-27 22:08:00 +01:00
committed by John W. Linville
parent e7a2a4f5e6
commit c8dcfd8a04
3 changed files with 44 additions and 20 deletions
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56
net/wireless/nl80211.c
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@@ -1968,13 +1968,41 @@ static int parse_station_flags(struct genl_info *info,
return 0;
}
static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
int attr)
{
struct nlattr *rate;
u16 bitrate;
rate = nla_nest_start(msg, attr);
if (!rate)
goto nla_put_failure;
/* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
bitrate = cfg80211_calculate_bitrate(info);
if (bitrate > 0)
NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
if (info->flags & RATE_INFO_FLAGS_MCS)
NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs);
if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
if (info->flags & RATE_INFO_FLAGS_SHORT_GI)
NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
nla_nest_end(msg, rate);
return true;
nla_put_failure:
return false;
}
static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
int flags, struct net_device *dev,
const u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
struct nlattr *sinfoattr, *txrate;
u16 bitrate;
struct nlattr *sinfoattr;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
if (!hdr)
@@ -2013,24 +2041,14 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG,
sinfo->signal_avg);
if (sinfo->filled & STATION_INFO_TX_BITRATE) {
txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE);
if (!txrate)
if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
NL80211_STA_INFO_TX_BITRATE))
goto nla_put_failure;
}
if (sinfo->filled & STATION_INFO_RX_BITRATE) {
if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
NL80211_STA_INFO_RX_BITRATE))
goto nla_put_failure;
/* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
bitrate = cfg80211_calculate_bitrate(&sinfo->txrate);
if (bitrate > 0)
NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
if (sinfo->txrate.flags & RATE_INFO_FLAGS_MCS)
NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS,
sinfo->txrate.mcs);
if (sinfo->txrate.flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
if (sinfo->txrate.flags & RATE_INFO_FLAGS_SHORT_GI)
NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
nla_nest_end(msg, txrate);
}
if (sinfo->filled & STATION_INFO_RX_PACKETS)
NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,