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nl80211: re-add channel width and extended capa advertising

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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>
This commit is contained in:
Johannes Berg 2013-02-27 15:39:45 +01:00
parent b8a31c9a5a
commit fe1abafd94
1 changed files with 33 additions and 3 deletions
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36
net/wireless/nl80211.c
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@ -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, if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
DBM_TO_MBM(chan->max_power))) DBM_TO_MBM(chan->max_power)))
goto nla_put_failure; 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 = const struct ieee80211_txrx_stypes *mgmt_stypes =
dev->wiphy.mgmt_stypes; dev->wiphy.mgmt_stypes;
long start = 0, start_chan = 0, start_band = 0; long start = 0, start_chan = 0, start_band = 0;
u32 features;
hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
if (!hdr) if (!hdr)
@ -1461,8 +1477,15 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
dev->wiphy.ap_sme_capa)) dev->wiphy.ap_sme_capa))
goto nla_put_failure; goto nla_put_failure;
if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features = dev->wiphy.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; goto nla_put_failure;
if (dev->wiphy.ht_capa_mod_mask && if (dev->wiphy.ht_capa_mod_mask &&
@ -1490,7 +1513,14 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
(*split_start)++; (*split_start)++;
break; break;
case 9: 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 */ /* done */
*split_start = 0; *split_start = 0;