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authorJohn W. Linville <linville@tuxdriver.com>2011-03-04 14:10:40 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-03-04 14:10:40 -0500
commit85a7045a90052749885e166f40af5e9140032287 (patch)
treecb4702d50bbe1d10ab9320ad3f63323b817727f7 /net/wireless
parent29546a6404e3a4b5d13f0a9586eb5cf1c3b25167 (diff)
parente46395a4b3d32d161d8b6d8e4a002972b1faae3e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c56
1 files changed, 37 insertions, 19 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 864ddfbeff2f..4ebce4284e9d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1968,13 +1968,41 @@ static int parse_station_flags(struct genl_info *info,
1968 return 0; 1968 return 0;
1969} 1969}
1970 1970
1971static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
1972 int attr)
1973{
1974 struct nlattr *rate;
1975 u16 bitrate;
1976
1977 rate = nla_nest_start(msg, attr);
1978 if (!rate)
1979 goto nla_put_failure;
1980
1981 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
1982 bitrate = cfg80211_calculate_bitrate(info);
1983 if (bitrate > 0)
1984 NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
1985
1986 if (info->flags & RATE_INFO_FLAGS_MCS)
1987 NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs);
1988 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
1989 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
1990 if (info->flags & RATE_INFO_FLAGS_SHORT_GI)
1991 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
1992
1993 nla_nest_end(msg, rate);
1994 return true;
1995
1996nla_put_failure:
1997 return false;
1998}
1999
1971static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, 2000static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
1972 int flags, struct net_device *dev, 2001 int flags, struct net_device *dev,
1973 const u8 *mac_addr, struct station_info *sinfo) 2002 const u8 *mac_addr, struct station_info *sinfo)
1974{ 2003{
1975 void *hdr; 2004 void *hdr;
1976 struct nlattr *sinfoattr, *txrate; 2005 struct nlattr *sinfoattr;
1977 u16 bitrate;
1978 2006
1979 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); 2007 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
1980 if (!hdr) 2008 if (!hdr)
@@ -2013,24 +2041,14 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
2013 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, 2041 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG,
2014 sinfo->signal_avg); 2042 sinfo->signal_avg);
2015 if (sinfo->filled & STATION_INFO_TX_BITRATE) { 2043 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
2016 txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE); 2044 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
2017 if (!txrate) 2045 NL80211_STA_INFO_TX_BITRATE))
2046 goto nla_put_failure;
2047 }
2048 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
2049 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
2050 NL80211_STA_INFO_RX_BITRATE))
2018 goto nla_put_failure; 2051 goto nla_put_failure;
2019
2020 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2021 bitrate = cfg80211_calculate_bitrate(&sinfo->txrate);
2022 if (bitrate > 0)
2023 NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
2024
2025 if (sinfo->txrate.flags & RATE_INFO_FLAGS_MCS)
2026 NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS,
2027 sinfo->txrate.mcs);
2028 if (sinfo->txrate.flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
2029 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
2030 if (sinfo->txrate.flags & RATE_INFO_FLAGS_SHORT_GI)
2031 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
2032
2033 nla_nest_end(msg, txrate);
2034 } 2052 }
2035 if (sinfo->filled & STATION_INFO_RX_PACKETS) 2053 if (sinfo->filled & STATION_INFO_RX_PACKETS)
2036 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, 2054 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,