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nl80211: support SAE authentication offload in AP mode

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Let drivers advertise support for AP-mode SAE authentication offload
with a new NL80211_EXT_FEATURE_SAE_OFFLOAD_AP flag.

Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Link: https://lore.kernel.org/r/20200817073316.33402-4-stanley.hsu@cypress.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Chung-Hsien Hsu
2020-08-17 02:33:15 -05:00
committed by Johannes Berg
parent 8552a434b6
commit 2831a63102
2 changed files with 17 additions and 6 deletions
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9
net/wireless/nl80211.c
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@@ -4960,8 +4960,9 @@ static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
return false;
return true;
case NL80211_CMD_START_AP:
/* SAE not supported yet */
if (auth_type == NL80211_AUTHTYPE_SAE)
if (!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
auth_type == NL80211_AUTHTYPE_SAE)
return false;
/* FILS not supported yet */
if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
@@ -9552,7 +9553,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
if (!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_SAE_OFFLOAD))
NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
return -EINVAL;
settings->sae_pwd =
nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);