diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index e3a214f63f91..b123f58d3909 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -98,6 +98,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct cfg80211_registered_device *dev) { void *hdr; + struct nlattr *nl_bands, *nl_band; + struct nlattr *nl_freqs, *nl_freq; + struct nlattr *nl_rates, *nl_rate; + enum ieee80211_band band; + struct ieee80211_channel *chan; + struct ieee80211_rate *rate; + int i; hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); if (!hdr) @@ -105,6 +112,73 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx); NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); + + nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); + if (!nl_bands) + goto nla_put_failure; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + if (!dev->wiphy.bands[band]) + continue; + + nl_band = nla_nest_start(msg, band); + if (!nl_band) + goto nla_put_failure; + + /* add frequencies */ + nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); + if (!nl_freqs) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { + nl_freq = nla_nest_start(msg, i); + if (!nl_freq) + goto nla_put_failure; + + chan = &dev->wiphy.bands[band]->channels[i]; + NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, + chan->center_freq); + + if (chan->flags & IEEE80211_CHAN_DISABLED) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); + if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); + if (chan->flags & IEEE80211_CHAN_NO_IBSS) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); + if (chan->flags & IEEE80211_CHAN_RADAR) + NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); + + nla_nest_end(msg, nl_freq); + } + + nla_nest_end(msg, nl_freqs); + + /* add bitrates */ + nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); + if (!nl_rates) + goto nla_put_failure; + + for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { + nl_rate = nla_nest_start(msg, i); + if (!nl_rate) + goto nla_put_failure; + + rate = &dev->wiphy.bands[band]->bitrates[i]; + NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, + rate->bitrate); + if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) + NLA_PUT_FLAG(msg, + NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); + + nla_nest_end(msg, nl_rate); + } + + nla_nest_end(msg, nl_rates); + + nla_nest_end(msg, nl_band); + } + nla_nest_end(msg, nl_bands); + return genlmsg_end(msg, hdr); nla_put_failure: |