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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>
This commit is contained in:
Ben Greear 2021-02-04 06:46:10 -08:00 committed by Johannes Berg
parent 549fdd34b5
commit b6db0f899a
4 changed files with 14 additions and 0 deletions
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2
include/net/cfg80211.h
View File

@ -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),
};
/**

2
include/uapi/linux/nl80211.h
View File

@ -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,

3
net/mac80211/mlme.c
View File

@ -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;

7
net/wireless/nl80211.c
View File

@ -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]),