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cfg80211: Add support for FILS shared key authentication offload

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Enhance nl80211 and cfg80211 connect request and response APIs to
support FILS shared key authentication offload. The new nl80211
attributes can be used to provide additional information to the driver
to establish a FILS connection. Also enhance the set/del PMKSA to allow
support for adding and deleting PMKSA based on FILS cache identifier.

Add a new feature flag that drivers can use to advertize support for
FILS shared key authentication and association in station mode when
using their own SME.

Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Vidyullatha Kanchanapally
2017-03-31 00:22:34 +03:00
committed by Johannes Berg
parent 5349a0f7bf
commit a3caf7440d
5 changed files with 259 additions and 12 deletions
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25
net/wireless/sme.c
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@@ -805,7 +805,9 @@ void cfg80211_connect_done(struct net_device *dev,
}
ev = kzalloc(sizeof(*ev) + (params->bssid ? ETH_ALEN : 0) +
params->req_ie_len + params->resp_ie_len, gfp);
params->req_ie_len + params->resp_ie_len +
params->fils_kek_len + params->pmk_len +
(params->pmkid ? WLAN_PMKID_LEN : 0), gfp);
if (!ev) {
cfg80211_put_bss(wdev->wiphy, params->bss);
return;
@@ -832,6 +834,27 @@ void cfg80211_connect_done(struct net_device *dev,
params->resp_ie_len);
next += params->resp_ie_len;
}
if (params->fils_kek_len) {
ev->cr.fils_kek = next;
ev->cr.fils_kek_len = params->fils_kek_len;
memcpy((void *)ev->cr.fils_kek, params->fils_kek,
params->fils_kek_len);
next += params->fils_kek_len;
}
if (params->pmk_len) {
ev->cr.pmk = next;
ev->cr.pmk_len = params->pmk_len;
memcpy((void *)ev->cr.pmk, params->pmk, params->pmk_len);
next += params->pmk_len;
}
if (params->pmkid) {
ev->cr.pmkid = next;
memcpy((void *)ev->cr.pmkid, params->pmkid, WLAN_PMKID_LEN);
next += WLAN_PMKID_LEN;
}
ev->cr.update_erp_next_seq_num = params->update_erp_next_seq_num;
if (params->update_erp_next_seq_num)
ev->cr.fils_erp_next_seq_num = params->fils_erp_next_seq_num;
if (params->bss)
cfg80211_hold_bss(bss_from_pub(params->bss));
ev->cr.bss = params->bss;