wireless: Support disabling HE mode

PATCH New [email protected] 1 participant 1 message Feb 4, 2021

Subsystems (2)

mac80211 802.11 (including cfg80211/NL80211)

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2021-02-04 14:47 UTC #0 lore raw

PATCH 1/1 wireless: Support disabling HE mode

From: Ben Greear <[email protected]>

Allow user to disable HE mode, similar to how VHT and HT can be disabled. Useful for testing.

Signed-off-by Ben Greear <[email protected]>

---
 include/net/cfg80211.h       | 2 ++
 include/uapi/linux/nl80211.h | 2 ++
 net/mac80211/mlme.c          | 3 +++
 net/wireless/nl80211.c       | 7 +++++++
 4 files changed, 14 insertions(+)

include/net/cfg80211.h +2 -0

index f04f5439da71..76360dcb7867 100644
@@ -2581,12 +2581,14 @@ struct cfg80211_auth_request {
  *	authentication capability. Drivers can offload authentication to
  *	userspace if this flag is set. Only applicable for cfg80211_connect()
  *	request (connect callback).
+ * @ASSOC_REQ_DISABLE_HE:  Disable HE
  */
 enum cfg80211_assoc_req_flags {
 	ASSOC_REQ_DISABLE_HT			= BIT(0),
 	ASSOC_REQ_DISABLE_VHT			= BIT(1),
 	ASSOC_REQ_USE_RRM			= BIT(2),
 	CONNECT_REQ_EXTERNAL_AUTH_SUPPORT	= BIT(3),
+	ASSOC_REQ_DISABLE_HE			= BIT(4),
 };
 
 /**

include/uapi/linux/nl80211.h +2 -0

index 40832d13c2f1..5188fe581efc 100644
@@ -3045,6 +3045,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_SAR_SPEC,
 
+	NL80211_ATTR_DISABLE_HE,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,

net/mac80211/mlme.c +3 -0

index 9ac6eb8dc2e2..50cb97f94162 100644
@@ -5796,6 +5796,9 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	if (req->flags & ASSOC_REQ_DISABLE_VHT)
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 
+	if (req->flags & ASSOC_REQ_DISABLE_HE)
+		ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+
 	err = ieee80211_prep_connection(sdata, req->bss, true, override);
 	if (err)
 		goto err_clear;

net/wireless/nl80211.c +7 -0

index 2dc930e6f96f..ea169cd232c8 100644
@@ -732,6 +732,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
 				 NL80211_SAE_PWE_BOTH),
 	[NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
 	[NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
+	[NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
 };
 
 /* policy for the key attributes */

@@ -10121,6 +10122,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
 	if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
 		req.flags |= ASSOC_REQ_DISABLE_VHT;
 
+	if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
+		req.flags |= ASSOC_REQ_DISABLE_HE;
+
 	if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
 		memcpy(&req.vht_capa_mask,
 		       nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),

@@ -10930,6 +10934,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
 	if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
 		connect.flags |= ASSOC_REQ_DISABLE_VHT;
 
+	if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
+		connect.flags |= ASSOC_REQ_DISABLE_HE;
+
 	if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
 		memcpy(&connect.vht_capa_mask,
 		       nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),

Signature · 1 line

2.20.1