[PATCH] brcmfmac: Add WPA3 Personal with FT to supported cipher suites

* [PATCH] brcmfmac: Add WPA3 Personal with FT to supported cipher suites
@ 2021-07-23 14:42 Paweł Drewniak
  2021-08-21 15:47 ` Kalle Valo
  0 siblings, 1 reply; 2+ messages in thread
From: Paweł Drewniak @ 2021-07-23 14:42 UTC (permalink / raw)
  To: linux-wireless
  Cc: brcm80211-dev-list.pdl, SHA-cyfmac-dev-list, Arend van Spriel,
	Franky Lin, Hante Meuleman, Chi-hsien Lin, Wright Feng,
	Chung-hsien Hsu

This allows the driver to connect to BSSIDs supporting SAE with 802.11r.
Tested on Raspberry Pi 4 Model B (STA) and UniFi 6LR/OpenWRT 21.02.0-rc2.
AP was set to 'sae-mixed' (WPA2/3 Personal).

Signed-off-by: Paweł Drewniak <czajernia@gmail.com>
---
 .../net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index cedba56fc448..f7b96cd69242 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -1829,6 +1829,14 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
                                profile->use_fwsup = BRCMF_PROFILE_FWSUP_SAE;
                        }
                        break;
+               case WLAN_AKM_SUITE_FT_OVER_SAE:
+                       val = WPA3_AUTH_SAE_PSK | WPA2_AUTH_FT;
+                       profile->is_ft = true;
+                       if (sme->crypto.sae_pwd) {
+                               brcmf_dbg(INFO, "using SAE offload\n");
+                               profile->use_fwsup = BRCMF_PROFILE_FWSUP_SAE;
+                       }
+                       break;
                default:
                        bphy_err(drvr, "invalid cipher group (%d)\n",
                                 sme->crypto.cipher_group);
-- 
2.30.2

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