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mac80211: set IEEE80211_TX_CTRL_PORT_CTRL_PROTO for nl80211 TX

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When a frame is transmitted via the nl80211 TX rather than as a
normal frame, IEEE80211_TX_CTRL_PORT_CTRL_PROTO wasn't set and
this will lead to wrong decisions (rate control etc.) being made
about the frame; fix this.

Fixes: 9118064914 ("mac80211: Add support for tx_control_port")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20200326155333.f183f52b02f0.I4054e2a8c11c2ddcb795a0103c87be3538690243@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2020-03-26 15:53:34 +01:00
parent b16798f5b9
commit b95d2ccd2c
1 changed files with 6 additions and 2 deletions
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8
net/mac80211/tx.c
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@ -5,7 +5,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2018 Intel Corporation
* Copyright (C) 2018, 2020 Intel Corporation
*
* Transmit and frame generation functions.
*/
@ -5149,6 +5149,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ethhdr *ehdr;
u32 ctrl_flags = 0;
u32 flags;
/* Only accept CONTROL_PORT_PROTOCOL configured in CONNECT/ASSOCIATE
@ -5158,6 +5159,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
proto != cpu_to_be16(ETH_P_PREAUTH))
return -EINVAL;
if (proto == sdata->control_port_protocol)
ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
if (unencrypted)
flags = IEEE80211_TX_INTFL_DONT_ENCRYPT;
else
@ -5183,7 +5187,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_mac_header(skb);
local_bh_disable();
__ieee80211_subif_start_xmit(skb, skb->dev, flags, 0);
__ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags);
local_bh_enable();
return 0;