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authorChung-Hsien Hsu <stanley.hsu@cypress.com>2019-05-09 09:49:06 +0000
committerJohannes Berg <johannes.berg@intel.com>2019-06-14 14:07:49 +0200
commit26f7044e95042daabcf1c71796a0e804a83c979f (patch)
tree8fa407b7b97697e56f4e4e74d707c2aad7e39c07 /net/wireless
parentcc3e14c21ae928b3f8bce584b2c7d53d332b9738 (diff)
downloadlinux-26f7044e95042daabcf1c71796a0e804a83c979f.tar.bz2
nl80211: add support for SAE authentication offload
Let drivers advertise support for station-mode SAE authentication offload with a new NL80211_EXT_FEATURE_SAE_OFFLOAD flag. Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com> Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8332a5731c57..80e514872719 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -571,6 +571,8 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_PEER_MEASUREMENTS] =
NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
[NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
+ [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
+ .len = SAE_PASSWORD_MAX_LEN },
};
/* policy for the key attributes */
@@ -4434,6 +4436,8 @@ static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
return true;
case NL80211_CMD_CONNECT:
if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
+ !wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
auth_type == NL80211_AUTHTYPE_SAE)
return false;
@@ -8973,6 +8977,16 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
}
+ if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_SAE_OFFLOAD))
+ return -EINVAL;
+ settings->sae_pwd =
+ nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
+ settings->sae_pwd_len =
+ nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
+ }
+
return 0;
}