diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2013-02-27 15:39:45 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-03-06 16:35:45 +0100 |
| commit | fe1abafd942f3fac233c27d7ddebe5ed913edbff (patch) | |
| tree | 05a25da342845a66b8cfac3e4471e6d9f7e899a4 /net/wireless | |
| parent | b8a31c9a5afff257cc5dd637cda5fef03e12d67b (diff) | |
| download | linux-fe1abafd942f3fac233c27d7ddebe5ed913edbff.tar.bz2 | |
nl80211: re-add channel width and extended capa advertising
Add back the channel width and extended capability data
to wiphy information if split information is supported.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c73a4dd4e19f..3a45ea614cbb 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -573,6 +573,21 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, } } + if (large) { + if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) + goto nla_put_failure; + } + if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, DBM_TO_MBM(chan->max_power))) goto nla_put_failure; @@ -1137,6 +1152,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, const struct ieee80211_txrx_stypes *mgmt_stypes = dev->wiphy.mgmt_stypes; long start = 0, start_chan = 0, start_band = 0; + u32 features; hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); if (!hdr) @@ -1461,8 +1477,15 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, dev->wiphy.ap_sme_capa)) goto nla_put_failure; - if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, - dev->wiphy.features)) + features = dev->wiphy.features; + /* + * We can only add the per-channel limit information if the + * dump is split, otherwise it makes it too big. Therefore + * only advertise it in that case. + */ + if (split) + features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; + if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) goto nla_put_failure; if (dev->wiphy.ht_capa_mod_mask && @@ -1490,7 +1513,14 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, (*split_start)++; break; case 9: - /* placeholder */ + if (dev->wiphy.extended_capabilities && + (nla_put(msg, NL80211_ATTR_EXT_CAPA, + dev->wiphy.extended_capabilities_len, + dev->wiphy.extended_capabilities) || + nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, + dev->wiphy.extended_capabilities_len, + dev->wiphy.extended_capabilities_mask))) + goto nla_put_failure; /* done */ *split_start = 0; |