diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2010-12-14 17:54:28 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-15 23:03:56 +0100 |
| commit | a293911d4fd5e8593dbf478399a77f990d466269 (patch) | |
| tree | 826f614f178e915c4d2c08aba9ca5b2a38f78c75 /net | |
| parent | iwlagn: fix witespace damage (diff) | |
| download | linux-a293911d4fd5e8593dbf478399a77f990d466269.tar.xz linux-a293911d4fd5e8593dbf478399a77f990d466269.zip | |
nl80211: advertise maximum remain-on-channel duration
With the upcoming hardware offload implementation,
some devices will have a different maximum duration
for the remain-on-channel command. Advertise the
maximum duration in mac80211, and make mac80211 set
it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/main.c | 2 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index f7bdb7c78879..d87eb005690f 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -745,6 +745,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) } } + local->hw.wiphy->max_remain_on_channel_duration = 5000; + result = wiphy_register(local->hw.wiphy); if (result < 0) goto fail_wiphy_register; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 53f044370cde..594a6ac8b9d2 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -755,6 +755,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, nla_nest_end(msg, nl_cmds); + if (dev->ops->remain_on_channel) + NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, + dev->wiphy.max_remain_on_channel_duration); + /* for now at least assume all drivers have it */ if (dev->ops->mgmt_tx) NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); @@ -4228,7 +4232,8 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, * We should be on that channel for at least one jiffie, * and more than 5 seconds seems excessive. */ - if (!duration || !msecs_to_jiffies(duration) || duration > 5000) + if (!duration || !msecs_to_jiffies(duration) || + duration > rdev->wiphy.max_remain_on_channel_duration) return -EINVAL; if (!rdev->ops->remain_on_channel) |