diff options
author | Johannes Berg <johannes.berg@intel.com> | 2011-07-05 16:35:41 +0200 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2011-07-06 15:05:43 -0400 |
commit | c68f4b892c241bdddeb6f1c1864ac26197229471 (patch) | |
tree | 7100d2b756dff22ed1f248a3b0204e500290c89a /net/mac80211 | |
parent | e5497d766adb92bcbd1fa4a147e188f84f34b20a (diff) | |
download | linux-3.10-c68f4b892c241bdddeb6f1c1864ac26197229471.tar.gz linux-3.10-c68f4b892c241bdddeb6f1c1864ac26197229471.tar.bz2 linux-3.10-c68f4b892c241bdddeb6f1c1864ac26197229471.zip |
mac80211: support GTK rekey offload
This adds the necessary mac80211 APIs to support
GTK rekey offload, mirroring the functionality
from cfg80211.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r-- | net/mac80211/cfg.c | 16 | ||||
-rw-r--r-- | net/mac80211/driver-ops.h | 10 | ||||
-rw-r--r-- | net/mac80211/driver-trace.h | 49 | ||||
-rw-r--r-- | net/mac80211/key.c | 12 |
4 files changed, 87 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 9fe22cc393c..295ab747663 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2101,6 +2101,21 @@ static void ieee80211_get_ringparam(struct wiphy *wiphy, drv_get_ringparam(local, tx, tx_max, rx, rx_max); } +static int ieee80211_set_rekey_data(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_gtk_rekey_data *data) +{ + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + if (!local->ops->set_rekey_data) + return -EOPNOTSUPP; + + drv_set_rekey_data(local, sdata, data); + + return 0; +} + struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, .del_virtual_intf = ieee80211_del_iface, @@ -2163,4 +2178,5 @@ struct cfg80211_ops mac80211_config_ops = { .get_antenna = ieee80211_get_antenna, .set_ringparam = ieee80211_set_ringparam, .get_ringparam = ieee80211_get_ringparam, + .set_rekey_data = ieee80211_set_rekey_data, }; diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 0e7e4268ddf..edd2dd79c9b 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -647,4 +647,14 @@ static inline int drv_set_bitrate_mask(struct ieee80211_local *local, return ret; } +static inline void drv_set_rekey_data(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct cfg80211_gtk_rekey_data *data) +{ + trace_drv_set_rekey_data(local, sdata, data); + if (local->ops->set_rekey_data) + local->ops->set_rekey_data(&local->hw, &sdata->vif, data); + trace_drv_return_void(local); +} + #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h index 3cb6795e926..31a9dfa81f6 100644 --- a/net/mac80211/driver-trace.h +++ b/net/mac80211/driver-trace.h @@ -1024,6 +1024,34 @@ TRACE_EVENT(drv_set_bitrate_mask, ) ); +TRACE_EVENT(drv_set_rekey_data, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct cfg80211_gtk_rekey_data *data), + + TP_ARGS(local, sdata, data), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + __array(u8, kek, NL80211_KEK_LEN) + __array(u8, kck, NL80211_KCK_LEN) + __array(u8, replay_ctr, NL80211_REPLAY_CTR_LEN) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + memcpy(__entry->kek, data->kek, NL80211_KEK_LEN); + memcpy(__entry->kck, data->kck, NL80211_KCK_LEN); + memcpy(__entry->replay_ctr, data->replay_ctr, + NL80211_REPLAY_CTR_LEN); + ), + + TP_printk(LOCAL_PR_FMT VIF_PR_FMT, + LOCAL_PR_ARG, VIF_PR_ARG) +); + /* * Tracing for API calls that drivers call. */ @@ -1293,6 +1321,27 @@ DEFINE_EVENT(local_only_evt, api_remain_on_channel_expired, TP_ARGS(local) ); +TRACE_EVENT(api_gtk_rekey_notify, + TP_PROTO(struct ieee80211_sub_if_data *sdata, + const u8 *bssid, const u8 *replay_ctr), + + TP_ARGS(sdata, bssid, replay_ctr), + + TP_STRUCT__entry( + VIF_ENTRY + __array(u8, bssid, ETH_ALEN) + __array(u8, replay_ctr, NL80211_REPLAY_CTR_LEN) + ), + + TP_fast_assign( + VIF_ASSIGN; + memcpy(__entry->bssid, bssid, ETH_ALEN); + memcpy(__entry->replay_ctr, replay_ctr, NL80211_REPLAY_CTR_LEN); + ), + + TP_printk(VIF_PR_FMT, VIF_PR_ARG) +); + /* * Tracing for internal functions * (which may also be called in response to driver calls) diff --git a/net/mac80211/key.c b/net/mac80211/key.c index fcab5fe726a..1208a7878bf 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -613,3 +613,15 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata) mutex_unlock(&sdata->local->key_mtx); } + + +void ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const u8 *bssid, + const u8 *replay_ctr, gfp_t gfp) +{ + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + + trace_api_gtk_rekey_notify(sdata, bssid, replay_ctr); + + cfg80211_gtk_rekey_notify(sdata->dev, bssid, replay_ctr, gfp); +} +EXPORT_SYMBOL_GPL(ieee80211_gtk_rekey_notify); |