diff options
| author | Arik Nemtsov <arik@wizery.com> | 2014-11-09 19:50:19 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-11-19 20:45:21 +0300 |
| commit | a7a6bdd0670feb8bfc26d41cda32b6064dbca50e (patch) | |
| tree | d343591f508af2d1a15f5b265e7ddaf182e34129 /net/mac80211/driver-ops.h | |
| parent | 53837584438f8899e061ada4663ae1d09b49b96a (diff) | |
| download | linux-a7a6bdd0670feb8bfc26d41cda32b6064dbca50e.tar.xz | |
mac80211: introduce TDLS channel switch ops
Implement the cfg80211 TDLS channel switch ops and introduce new mac80211
ones for low-level drivers.
Verify low-level driver support for the new ops when using the relevant
wiphy feature bit. Also verify the peer supports channel switching before
passing the command down.
Add a new STA flag to track the off-channel state with the TDLS peer and
make sure to cancel the channel-switch if the peer STA is unexpectedly
removed.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.h')
| -rw-r--r-- | net/mac80211/driver-ops.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 9759dd1f0734..ec4ae42ac15f 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1296,4 +1296,45 @@ static inline int drv_get_txpower(struct ieee80211_local *local, return ret; } +static inline int +drv_tdls_channel_switch(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, u8 oper_class, + struct cfg80211_chan_def *chandef, + struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie) +{ + int ret; + + might_sleep(); + if (!check_sdata_in_driver(sdata)) + return -EIO; + + if (!local->ops->tdls_channel_switch) + return -EOPNOTSUPP; + + trace_drv_tdls_channel_switch(local, sdata, sta, oper_class, chandef); + ret = local->ops->tdls_channel_switch(&local->hw, &sdata->vif, sta, + oper_class, chandef, tmpl_skb, + ch_sw_tm_ie); + trace_drv_return_int(local, ret); + return ret; +} + +static inline void +drv_tdls_cancel_channel_switch(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta) +{ + might_sleep(); + if (!check_sdata_in_driver(sdata)) + return; + + if (!local->ops->tdls_cancel_channel_switch) + return; + + trace_drv_tdls_cancel_channel_switch(local, sdata, sta); + local->ops->tdls_cancel_channel_switch(&local->hw, &sdata->vif, sta); + trace_drv_return_void(local); +} + #endif /* __MAC80211_DRIVER_OPS */ |