Add support for Linux 5.8

Patch imported from 088f76a09b/meta-oe/recipes-connectivity/realtek/rt8821cu/add-5.8-support.patch

core/rtw_security.c

@@ -2133,7 +2133,7 @@ BIP_exit:
 #ifndef PLATFORM_FREEBSD
 #if defined(CONFIG_TDLS)
 /* compress 512-bits */
-static int sha256_compress(struct sha256_state *md, unsigned char *buf)
+static int sha256_compress(struct rtw_sha256_state *md, unsigned char *buf)
 {
 	u32 S[8], W[64], t0, t1;
 	u32 t;
@@ -2181,7 +2181,7 @@ static int sha256_compress(struct sha256_state *md, unsigned char *buf)
 }
 
 /* Initialize the hash state */
-static void sha256_init(struct sha256_state *md)
+static void rtw_sha256_init(struct rtw_sha256_state *md)
 {
 	md->curlen = 0;
 	md->length = 0;
@@ -2202,7 +2202,7 @@ static void sha256_init(struct sha256_state *md)
    @param inlen  The length of the data (octets)
    @return CRYPT_OK if successful
 */
-static int sha256_process(struct sha256_state *md, unsigned char *in,
+static int sha256_process(struct rtw_sha256_state *md, unsigned char *in,
 			  unsigned long inlen)
 {
 	unsigned long n;
@@ -2243,7 +2243,7 @@ static int sha256_process(struct sha256_state *md, unsigned char *in,
    @param out [out] The destination of the hash (32 bytes)
    @return CRYPT_OK if successful
 */
-static int sha256_done(struct sha256_state *md, unsigned char *out)
+static int sha256_done(struct rtw_sha256_state *md, unsigned char *out)
 {
 	int i;
 
@@ -2293,10 +2293,10 @@ static int sha256_done(struct sha256_state *md, unsigned char *out)
 static int sha256_vector(size_t num_elem, u8 *addr[], size_t *len,
 			 u8 *mac)
 {
-	struct sha256_state ctx;
+	struct rtw_sha256_state ctx;
 	size_t i;
 
-	sha256_init(&ctx);
+	rtw_sha256_init(&ctx);
 	for (i = 0; i < num_elem; i++)
 		if (sha256_process(&ctx, addr[i], len[i]))
 			return -1;

include/rtw_security.h

@@ -249,7 +249,7 @@ struct security_priv {
 #define SEC_IS_BIP_KEY_INSTALLED(sec) _FALSE
 #endif
 
-struct sha256_state {
+struct rtw_sha256_state {
 	u64 length;
 	u32 state[8], curlen;
 	u8 buf[64];

os_dep/linux/ioctl_cfg80211.c

@@ -7149,7 +7149,11 @@ static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
 #else
 	struct net_device *ndev,
 #endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+	struct mgmt_frame_regs *upd)
+#else
 	u16 frame_type, bool reg)
+#endif
 {
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
 	struct net_device *ndev = wdev_to_ndev(wdev);
@@ -7164,14 +7168,19 @@ static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
 	adapter = (_adapter *)rtw_netdev_priv(ndev);
 	pwdev_priv = adapter_wdev_data(adapter);
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,8,0))
 #ifdef CONFIG_DEBUG_CFG80211
 	RTW_INFO(FUNC_ADPT_FMT" frame_type:%x, reg:%d\n", FUNC_ADPT_ARG(adapter),
 		frame_type, reg);
+#endif
 #endif
 
 	/* Wait QC Verify */
 	return;
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+	SET_CFG80211_REPORT_MGMT(pwdev_priv, IEEE80211_STYPE_PROBE_REQ, upd->interface_stypes & BIT(IEEE80211_STYPE_PROBE_REQ >> 4));
+#else
 	switch (frame_type) {
 	case IEEE80211_STYPE_PROBE_REQ: /* 0x0040 */
 		SET_CFG80211_REPORT_MGMT(pwdev_priv, IEEE80211_STYPE_PROBE_REQ, reg);
@@ -7182,6 +7191,7 @@ static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
 	default:
 		break;
 	}
+#endif
 
 exit:
 	return;
@@ -9457,7 +9467,11 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
 	.mgmt_tx = cfg80211_rtw_mgmt_tx,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+	.update_mgmt_frame_registrations = cfg80211_rtw_mgmt_frame_register,
+#else
 	.mgmt_frame_register = cfg80211_rtw_mgmt_frame_register,
+#endif
 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34) && LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
 	.action = cfg80211_rtw_mgmt_tx,
 #endif