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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem

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This commit is contained in:
John W. Linville
2013-03-06 10:21:17 -05:00
parent 66d29cbc59 4f21e7e441
commit 32cdd592b7
21 changed files with 304 additions and 386 deletions
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3
net/wireless/core.c
View File

@@ -367,8 +367,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
rdev->wiphy.rts_threshold = (u32) -1;
rdev->wiphy.coverage_class = 0;
rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH |
NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH;
return &rdev->wiphy;
}

51
net/wireless/nl80211.c
View File

@@ -557,18 +557,6 @@ static int nl80211_msg_put_channel(struct sk_buff *msg,
if ((chan->flags & IEEE80211_CHAN_RADAR) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
goto nla_put_failure;
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)))
@@ -1310,15 +1298,6 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag
dev->wiphy.max_acl_mac_addrs))
goto nla_put_failure;
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;
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -1328,7 +1307,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag
static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
{
int idx = 0;
int idx = 0, ret;
int start = cb->args[0];
struct cfg80211_registered_device *dev;
@@ -1338,9 +1317,29 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
continue;
if (++idx <= start)
continue;
if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
dev) < 0) {
ret = nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
dev);
if (ret < 0) {
/*
* If sending the wiphy data didn't fit (ENOBUFS or
* EMSGSIZE returned), this SKB is still empty (so
* it's not too big because another wiphy dataset is
* already in the skb) and we've not tried to adjust
* the dump allocation yet ... then adjust the alloc
* size to be bigger, and return 1 but with the empty
* skb. This results in an empty message being RX'ed
* in userspace, but that is ignored.
*
* We can then retry with the larger buffer.
*/
if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
!skb->len &&
cb->min_dump_alloc < 4096) {
cb->min_dump_alloc = 4096;
mutex_unlock(&cfg80211_mutex);
return 1;
}
idx--;
break;
}
@@ -1357,7 +1356,7 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
struct sk_buff *msg;
struct cfg80211_registered_device *dev = info->user_ptr[0];
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
msg = nlmsg_new(4096, GFP_KERNEL);
if (!msg)
return -ENOMEM;