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authorBen Greear <greearb@candelatech.com>2021-02-04 06:46:10 -0800
committerJohannes Berg <johannes.berg@intel.com>2021-02-12 09:33:34 +0100
commitb6db0f899a16a23f5a9ea6c8b0fafc7bbd38e03d (patch)
tree5fe68a9517d3d8f1b4ed8270e5060d850a3d5305
parent549fdd34b5f2dfa63e10855f20796c13a036707b (diff)
downloadlinux-b6db0f899a16a23f5a9ea6c8b0fafc7bbd38e03d.tar.bz2
cfg80211/mac80211: Support disabling HE mode
Allow user to disable HE mode, similar to how VHT and HT can be disabled. Useful for testing. Signed-off-by: Ben Greear <greearb@candelatech.com> Link: https://lore.kernel.org/r/20210204144610.25971-1-greearb@candelatech.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--include/net/cfg80211.h2
-rw-r--r--include/uapi/linux/nl80211.h2
-rw-r--r--net/mac80211/mlme.c3
-rw-r--r--net/wireless/nl80211.c7
4 files changed, 14 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4cdd75449d73..911fae42b0c0 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2583,12 +2583,14 @@ 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),
};
/**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 40832d13c2f1..5188fe581efc 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -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,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0e4d950cf907..2e33a1263518 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -5754,6 +5754,9 @@ 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;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 3b45a9593e71..521d36bb0803 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -752,6 +752,7 @@ 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 */
@@ -10019,6 +10020,9 @@ 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]),
@@ -10802,6 +10806,9 @@ 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]),