brcmfmac: add 802.11w management frame protection support

Add full support for both AP and STA for management frame protection.
Reviewed-by: Arend Van Spriel <arend.van@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <franky.lin@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Signed-off-by: Hante Meuleman <hante.meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h

@@ -72,7 +72,7 @@
 
 #define BRCMF_VNDR_IE_P2PAF_SHIFT	12
 
-#define BRCMF_MAX_DEFAULT_KEYS		4
+#define BRCMF_MAX_DEFAULT_KEYS		6
 
 /* beacon loss timeout defaults */
 #define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON	2
@@ -107,7 +107,6 @@ struct brcmf_cfg80211_security {
 	u32 auth_type;
 	u32 cipher_pairwise;
 	u32 cipher_group;
-	u32 wpa_auth;
 };
 
 /**

drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c

@@ -161,6 +161,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
 		ifp->drvr->feat_flags &= ~BIT(BRCMF_FEAT_MBSS);
 	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_RSDB, "rsdb_mode");
 	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_TDLS, "tdls_enable");
+	brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MFP, "mfp");
 
 	pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER;
 	err = brcmf_fil_iovar_data_get(ifp, "pfn_macaddr", &pfn_mac,

drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h

@@ -30,6 +30,7 @@
  * WOWL_ND: WOWL net detect (PNO)
  * WOWL_GTK: (WOWL) GTK rekeying offload
  * WOWL_ARP_ND: ARP and Neighbor Discovery offload support during WOWL.
+ * MFP: 802.11w Management Frame Protection.
  */
 #define BRCMF_FEAT_LIST \
 	BRCMF_FEAT_DEF(MBSS) \
@@ -42,7 +43,8 @@
 	BRCMF_FEAT_DEF(SCAN_RANDOM_MAC) \
 	BRCMF_FEAT_DEF(WOWL_ND) \
 	BRCMF_FEAT_DEF(WOWL_GTK) \
-	BRCMF_FEAT_DEF(WOWL_ARP_ND)
+	BRCMF_FEAT_DEF(WOWL_ARP_ND) \
+	BRCMF_FEAT_DEF(MFP)
 
 /*
  * Quirks:

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h

@@ -142,6 +142,10 @@
 #define BRCMF_RSN_KEK_LENGTH		16
 #define BRCMF_RSN_REPLAY_LEN		8
 
+#define BRCMF_MFP_NONE			0
+#define BRCMF_MFP_CAPABLE		1
+#define BRCMF_MFP_REQUIRED		2
+
 /* join preference types for join_pref iovar */
 enum brcmf_join_pref_types {
 	BRCMF_JOIN_PREF_RSSI = 1,

drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h

@@ -236,6 +236,8 @@ static inline bool ac_bitmap_tst(u8 bitmap, int prec)
 #define WPA2_AUTH_RESERVED3	0x0200
 #define WPA2_AUTH_RESERVED4	0x0400
 #define WPA2_AUTH_RESERVED5	0x0800
+#define WPA2_AUTH_1X_SHA256	0x1000  /* 1X with SHA256 key derivation */
+#define WPA2_AUTH_PSK_SHA256	0x8000	/* PSK with SHA256 key derivation */
 
 #define DOT11_DEFAULT_RTS_LEN		2347
 #define DOT11_DEFAULT_FRAG_LEN		2346