diff options
Diffstat (limited to 'package/kernel/mac80211/patches/311-mac80211-remove-drop_unencrypted-code.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/311-mac80211-remove-drop_unencrypted-code.patch | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/311-mac80211-remove-drop_unencrypted-code.patch b/package/kernel/mac80211/patches/311-mac80211-remove-drop_unencrypted-code.patch new file mode 100644 index 0000000000..d6bc082f35 --- /dev/null +++ b/package/kernel/mac80211/patches/311-mac80211-remove-drop_unencrypted-code.patch @@ -0,0 +1,130 @@ +From: Johannes Berg <johannes.berg@intel.com> +Date: Fri, 20 Mar 2015 11:41:58 +0100 +Subject: [PATCH] mac80211: remove drop_unencrypted code + +This mechanism was historic, and only ever used by IBSS, which +also doesn't need to have it as it properly manages station's +802.1X PAE state (or, with WEP, always has a key.) + +Remove the mechanism to clean up the code. + +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +--- + +--- a/net/mac80211/debugfs.c ++++ b/net/mac80211/debugfs.c +@@ -274,8 +274,6 @@ void debugfs_hw_add(struct ieee80211_loc + #ifdef CPTCFG_MAC80211_DEBUG_COUNTERS + DEBUGFS_STATS_ADD(tx_handlers_drop, local->tx_handlers_drop); + DEBUGFS_STATS_ADD(tx_handlers_queued, local->tx_handlers_queued); +- DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted, +- local->tx_handlers_drop_unencrypted); + DEBUGFS_STATS_ADD(tx_handlers_drop_fragment, + local->tx_handlers_drop_fragment); + DEBUGFS_STATS_ADD(tx_handlers_drop_wep, +--- a/net/mac80211/debugfs_netdev.c ++++ b/net/mac80211/debugfs_netdev.c +@@ -177,7 +177,6 @@ static ssize_t ieee80211_if_write_##name + IEEE80211_IF_FILE_R(name) + + /* common attributes */ +-IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); + IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ], + HEX); + IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ], +@@ -562,7 +561,6 @@ IEEE80211_IF_FILE(dot11MeshAwakeWindowDu + + static void add_common_files(struct ieee80211_sub_if_data *sdata) + { +- DEBUGFS_ADD(drop_unencrypted); + DEBUGFS_ADD(rc_rateidx_mask_2ghz); + DEBUGFS_ADD(rc_rateidx_mask_5ghz); + DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -249,8 +249,6 @@ static void __ieee80211_sta_join_ibss(st + if (presp) + kfree_rcu(presp, rcu_head); + +- sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; +- + /* make a copy of the chandef, it could be modified below. */ + chandef = *req_chandef; + chan = chandef.chan; +@@ -1289,8 +1287,6 @@ static void ieee80211_sta_create_ibss(st + + if (ifibss->privacy) + capability |= WLAN_CAPABILITY_PRIVACY; +- else +- sdata->drop_unencrypted = 0; + + __ieee80211_sta_join_ibss(sdata, bssid, sdata->vif.bss_conf.beacon_int, + &ifibss->chandef, ifibss->basic_rates, +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -842,8 +842,6 @@ struct ieee80211_sub_if_data { + + unsigned long state; + +- int drop_unencrypted; +- + char name[IFNAMSIZ]; + + /* Fragment table for host-based reassembly */ +@@ -1289,7 +1287,6 @@ struct ieee80211_local { + /* TX/RX handler statistics */ + unsigned int tx_handlers_drop; + unsigned int tx_handlers_queued; +- unsigned int tx_handlers_drop_unencrypted; + unsigned int tx_handlers_drop_fragment; + unsigned int tx_handlers_drop_wep; + unsigned int tx_handlers_drop_not_assoc; +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -1535,7 +1535,6 @@ int ieee80211_if_change_type(struct ieee + } + + /* reset some values that shouldn't be kept across type changes */ +- sdata->drop_unencrypted = 0; + if (type == NL80211_IFTYPE_STATION) + sdata->u.mgd.use_4addr = false; + +--- a/net/mac80211/rx.c ++++ b/net/mac80211/rx.c +@@ -1897,8 +1897,7 @@ static int ieee80211_drop_unencrypted(st + /* Drop unencrypted frames if key is set. */ + if (unlikely(!ieee80211_has_protected(fc) && + !ieee80211_is_nullfunc(fc) && +- ieee80211_is_data(fc) && +- (rx->key || rx->sdata->drop_unencrypted))) ++ ieee80211_is_data(fc) && rx->key)) + return -EACCES; + + return 0; +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -594,23 +594,8 @@ ieee80211_tx_h_select_key(struct ieee802 + else if (!is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_unicast_key))) + tx->key = key; +- else if (info->flags & IEEE80211_TX_CTL_INJECTED) +- tx->key = NULL; +- else if (!tx->sdata->drop_unencrypted) +- tx->key = NULL; +- else if (tx->skb->protocol == tx->sdata->control_port_protocol) +- tx->key = NULL; +- else if (ieee80211_is_robust_mgmt_frame(tx->skb) && +- !(ieee80211_is_action(hdr->frame_control) && +- tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP))) +- tx->key = NULL; +- else if (ieee80211_is_mgmt(hdr->frame_control) && +- !ieee80211_is_robust_mgmt_frame(tx->skb)) ++ else + tx->key = NULL; +- else { +- I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); +- return TX_DROP; +- } + + if (tx->key) { + bool skip_hw = false; |