NL80211_ATTR_S1G_CAPABILITY can be passed along with
NL80211_ATTR_S1G_CAPABILITY_MASK to NL80211_CMD_ASSOCIATE
to indicate S1G capabilities which should override the
hardware capabilities in eg. the association request.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-4-thomas@adapt-ip.com
[johannes: always require both attributes together, commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
}
/* S1G Capabilities Information field */
+#define IEEE80211_S1G_CAPABILITY_LEN 15
+
#define S1G_CAP0_S1G_LONG BIT(0)
#define S1G_CAP0_SGI_1MHZ BIT(1)
#define S1G_CAP0_SGI_2MHZ BIT(2)
* @fils_nonces: FILS nonces (part of AAD) for protecting (Re)Association
* Request/Response frame or %NULL if FILS is not used. This field starts
* with 16 octets of STA Nonce followed by 16 octets of AP Nonce.
+ * @s1g_capa: S1G capability override
+ * @s1g_capa_mask: S1G capability override mask
*/
struct cfg80211_assoc_request {
struct cfg80211_bss *bss;
const u8 *fils_kek;
size_t fils_kek_len;
const u8 *fils_nonces;
+ struct ieee80211_s1g_cap s1g_capa, s1g_capa_mask;
};
/**
* unsolicited broadcast probe response. It is a nested attribute, see
* &enum nl80211_unsol_bcast_probe_resp_attributes.
*
+ * @NL80211_ATTR_S1G_CAPABILITY: S1G Capability information element (from
+ * association request when used with NL80211_CMD_NEW_STATION)
+ * @NL80211_ATTR_S1G_CAPABILITY_MASK: S1G Capability Information element
+ * override mask. Used with NL80211_ATTR_S1G_CAPABILITY in
+ * NL80211_CMD_ASSOCIATE or NL80211_CMD_CONNECT.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
NL80211_ATTR_UNSOL_BCAST_PROBE_RESP,
+ NL80211_ATTR_S1G_CAPABILITY,
+ NL80211_ATTR_S1G_CAPABILITY_MASK,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
+ [NL80211_ATTR_S1G_CAPABILITY] =
+ NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
+ [NL80211_ATTR_S1G_CAPABILITY_MASK] =
+ NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
};
/* policy for the key attributes */
nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
}
+ if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
+ if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
+ return -EINVAL;
+ memcpy(&req.s1g_capa_mask,
+ nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
+ sizeof(req.s1g_capa_mask));
+ }
+
+ if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
+ if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
+ return -EINVAL;
+ memcpy(&req.s1g_capa,
+ nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
+ sizeof(req.s1g_capa));
+ }
+
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
if (!err) {
wdev_lock(dev->ieee80211_ptr);