nl80211: support SAE authentication offload in AP mode
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>
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@ -252,9 +252,13 @@
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* DOC: SAE authentication offload
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* DOC: SAE authentication offload
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*
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*
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* By setting @NL80211_EXT_FEATURE_SAE_OFFLOAD flag drivers can indicate they
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* By setting @NL80211_EXT_FEATURE_SAE_OFFLOAD flag drivers can indicate they
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* support offloading SAE authentication for WPA3-Personal networks. In
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* support offloading SAE authentication for WPA3-Personal networks in station
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* %NL80211_CMD_CONNECT the password for SAE should be specified using
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* mode. Similarly @NL80211_EXT_FEATURE_SAE_OFFLOAD_AP flag can be set by
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* %NL80211_ATTR_SAE_PASSWORD.
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* drivers indicating the offload support in AP mode.
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*
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* The password for SAE should be specified using %NL80211_ATTR_SAE_PASSWORD in
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* %NL80211_CMD_CONNECT and %NL80211_CMD_START_AP for station and AP mode
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* respectively.
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*/
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*/
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/**
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/**
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@ -5845,6 +5849,9 @@ enum nl80211_feature_flags {
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* handshake with PSK in AP mode (PSK is passed as part of the start AP
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* handshake with PSK in AP mode (PSK is passed as part of the start AP
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* command).
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* command).
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*
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*
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* @NL80211_EXT_FEATURE_SAE_OFFLOAD_AP: Device wants to do SAE authentication
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* in AP mode (SAE password is passed as part of the start AP command).
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*
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* @NUM_NL80211_EXT_FEATURES: number of extended features.
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* @NUM_NL80211_EXT_FEATURES: number of extended features.
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* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
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* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
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*/
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*/
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@ -5902,6 +5909,7 @@ enum nl80211_ext_feature_index {
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NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS,
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NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS,
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NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION,
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NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION,
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NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK,
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NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK,
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NL80211_EXT_FEATURE_SAE_OFFLOAD_AP,
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/* add new features before the definition below */
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/* add new features before the definition below */
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NUM_NL80211_EXT_FEATURES,
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NUM_NL80211_EXT_FEATURES,
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@ -4960,8 +4960,9 @@ static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
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return false;
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return false;
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return true;
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return true;
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case NL80211_CMD_START_AP:
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case NL80211_CMD_START_AP:
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/* SAE not supported yet */
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if (!wiphy_ext_feature_isset(&rdev->wiphy,
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if (auth_type == NL80211_AUTHTYPE_SAE)
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NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
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auth_type == NL80211_AUTHTYPE_SAE)
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return false;
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return false;
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/* FILS not supported yet */
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/* FILS not supported yet */
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if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
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if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
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@ -9552,7 +9553,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
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if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
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if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
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if (!wiphy_ext_feature_isset(&rdev->wiphy,
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if (!wiphy_ext_feature_isset(&rdev->wiphy,
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NL80211_EXT_FEATURE_SAE_OFFLOAD))
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NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
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!wiphy_ext_feature_isset(&rdev->wiphy,
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NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
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return -EINVAL;
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return -EINVAL;
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settings->sae_pwd =
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settings->sae_pwd =
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nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
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nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
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