add broadcom-wl driver for older macbooks

Config.in

@@ -93,6 +93,7 @@ menu "System"
     source "$BR2_EXTERNAL_BATOCERA_PATH/package/batocera/network/qualcomm/rmtfs/Config.in"
     source "$BR2_EXTERNAL_BATOCERA_PATH/package/batocera/network/qualcomm/tqftpserv/Config.in"
     source "$BR2_EXTERNAL_BATOCERA_PATH/package/batocera/network/r8125/Config.in"
+    source "$BR2_EXTERNAL_BATOCERA_PATH/package/batocera/network/broadcom-wl/Config.in"
   endmenu
 
   menu "Device trees"

batocera-Changelog.md

@@ -26,6 +26,8 @@
 - Light gun support for PS3 (up to 2 players)
 - initial Intel A770 GPU support
 - Enabled libretro-yabasanshiro for platform RK3399
+- Macbook 2013 wifi driver (broadcom-wl) - v6.30.223.271
+	- Patches leveraged from Arch Linux - thanks :-)
 - force feedback for Nintendo controllers (requires linux kernel 5.16 or later)
 - Added wayland + sway support for single board computer (SBC)
 - Automatically recenter 16:9 bezels for a better rendition on 16:10 and 5:3 screens (SteamDeck and other handheld devices)

package/batocera/core/batocera-system/Config.in

@@ -299,6 +299,9 @@ config BR2_PACKAGE_BATOCERA_SYSTEM
 
 	select BR2_PACKAGE_RTL8189ES		if  BR2_PACKAGE_BATOCERA_TARGET_S905 || BR2_PACKAGE_BATOCERA_TARGET_S905GEN2 || BR2_PACKAGE_BATOCERA_TARGET_S905GEN3
 
+	# older macbook wifi
+	select BR2_PACKAGE_BROADCOM_WL      if BR2_PACKAGE_BATOCERA_TARGET_X86_64_ANY
+
 	# ethernet
 	select BR2_PACKAGE_R8125                if BR2_PACKAGE_BATOCERA_TARGET_X86_ANY
 

package/batocera/network/broadcom-wl/001-null-pointer-fix.patch

@@ -0,0 +1,27 @@
+Description: Fixing null pointer crash
+
+Origin: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=773713
+Bug-Ubuntu: https://launchpad.net/bugs/1415880
+Last-Update: 2015-08-18
+
+---
+ wl/sys/wl_linux.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/wl/sys/wl_linux.c b/src/wl/sys/wl_linux.c
+index 860b935..295156f 100644
+--- a/src/wl/sys/wl_linux.c
++++ b/src/wl/sys/wl_linux.c
+@@ -2157,8 +2157,8 @@ wl_start(struct sk_buff *skb, struct net_device *dev)
+ 	wlif = WL_DEV_IF(dev);
+ 	wl = WL_INFO(dev);
+
++	skb->prev = NULL;
+ 	if (WL_ALL_PASSIVE_ENAB(wl) || (WL_RTR() && WL_CONFIG_SMP())) {
+-		skb->prev = NULL;
+
+ 		TXQ_LOCK(wl);
+
+-- 
+1.9.1
+

package/batocera/network/broadcom-wl/002-rdtscl.patch

@@ -0,0 +1,22 @@
+Since Linux 4.3, rdtscl() is no longer available and native_read_tsc()
+is renamed to rdtsc(). Move the macro contents in-line and call the
+new function. References:
+
+https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=fe47ae6e1a5005b2e82f7eab57b5c3820453293a
+https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=4ea1636b04dbd66536fa387bae2eea463efc705b
+
+diff -ru a/src/shared/linux_osl.c b/src/shared/linux_osl.c
+--- a/src/shared/linux_osl.c	2015-09-19 01:47:15.000000000 +0300
++++ b/src/shared/linux_osl.c	2015-11-21 15:20:30.585902518 +0200
+@@ -932,7 +932,11 @@
+ 	uint cycles;
+
+ #if defined(__i386__)
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)
++	cycles = (u32)rdtsc();
++#else
+ 	rdtscl(cycles);
++#endif
+ #else
+ 	cycles = 0;
+ #endif 

package/batocera/network/broadcom-wl/003-linux47.patch

@@ -0,0 +1,109 @@
+Since Linux 4.7, the enum ieee80211_band is no longer used
+
+This shall cause no problem's since both enums ieee80211_band
+and nl80211_band were added in the same commit:
+https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=13ae75b103e07304a34ab40c9136e9f53e06475c
+
+This patch refactors the references of IEEE80211_BAND_* to NL80211_BAND_*
+
+Reference:
+https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=57fbcce37be7c1d2622b56587c10ade00e96afa3
+
+--- a/src/wl/sys/wl_cfg80211_hybrid.c	2016-06-13 11:57:36.159340297 -0500
++++ b/src/wl/sys/wl_cfg80211_hybrid.c	2016-06-13 11:58:18.442323435 -0500
+@@ -236,7 +236,7 @@
+ #endif				
+
+ #define CHAN2G(_channel, _freq, _flags) {			\
+-	.band			= IEEE80211_BAND_2GHZ,		\
++	.band			= NL80211_BAND_2GHZ,		\
+ 	.center_freq		= (_freq),			\
+ 	.hw_value		= (_channel),			\
+ 	.flags			= (_flags),			\
+@@ -245,7 +245,7 @@
+ }
+
+ #define CHAN5G(_channel, _flags) {				\
+-	.band			= IEEE80211_BAND_5GHZ,		\
++	.band			= NL80211_BAND_5GHZ,		\
+ 	.center_freq		= 5000 + (5 * (_channel)),	\
+ 	.hw_value		= (_channel),			\
+ 	.flags			= (_flags),			\
+@@ -379,7 +379,7 @@
+ };
+
+ static struct ieee80211_supported_band __wl_band_2ghz = {
+-	.band = IEEE80211_BAND_2GHZ,
++	.band = NL80211_BAND_2GHZ,
+ 	.channels = __wl_2ghz_channels,
+ 	.n_channels = ARRAY_SIZE(__wl_2ghz_channels),
+ 	.bitrates = wl_g_rates,
+@@ -387,7 +387,7 @@
+ };
+
+ static struct ieee80211_supported_band __wl_band_5ghz_a = {
+-	.band = IEEE80211_BAND_5GHZ,
++	.band = NL80211_BAND_5GHZ,
+ 	.channels = __wl_5ghz_a_channels,
+ 	.n_channels = ARRAY_SIZE(__wl_5ghz_a_channels),
+ 	.bitrates = wl_a_rates,
+@@ -395,7 +395,7 @@
+ };
+
+ static struct ieee80211_supported_band __wl_band_5ghz_n = {
+-	.band = IEEE80211_BAND_5GHZ,
++	.band = NL80211_BAND_5GHZ,
+ 	.channels = __wl_5ghz_n_channels,
+ 	.n_channels = ARRAY_SIZE(__wl_5ghz_n_channels),
+ 	.bitrates = wl_a_rates,
+@@ -1876,8 +1876,8 @@
+ 	wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
+ #endif
+ 	wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
+-	wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
+-	wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; 
++	wdev->wiphy->bands[NL80211_BAND_2GHZ] = &__wl_band_2ghz;
++	wdev->wiphy->bands[NL80211_BAND_5GHZ] = &__wl_band_5ghz_a; 
+ 	wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+ 	wdev->wiphy->cipher_suites = __wl_cipher_suites;
+ 	wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
+@@ -2000,7 +2000,7 @@
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)
+ 	freq = ieee80211_channel_to_frequency(notif_bss_info->channel,
+ 		(notif_bss_info->channel <= CH_MAX_2G_CHANNEL) ?
+-		IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ);
++		NL80211_BAND_2GHZ : NL80211_BAND_5GHZ);
+ #else
+ 	freq = ieee80211_channel_to_frequency(notif_bss_info->channel);
+ #endif
+@@ -2116,7 +2116,7 @@
+ 				return err;
+ 			}
+ 			chan = wf_chspec_ctlchan(chanspec);
+-			band = (chan <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
++			band = (chan <= CH_MAX_2G_CHANNEL) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
+ 			freq = ieee80211_channel_to_frequency(chan, band);
+ 			channel = ieee80211_get_channel(wiphy, freq);
+ 			cfg80211_ibss_joined(ndev, (u8 *)&wl->bssid, channel, GFP_KERNEL);
+@@ -2250,10 +2250,10 @@
+ 		join_params->params.chanspec_list[0] =
+ 		    ieee80211_frequency_to_channel(chan->center_freq);
+
+-		if (chan->band == IEEE80211_BAND_2GHZ) {
++		if (chan->band == NL80211_BAND_2GHZ) {
+ 			chanspec |= WL_CHANSPEC_BAND_2G;
+ 		}
+-		else if (chan->band == IEEE80211_BAND_5GHZ) {
++		else if (chan->band == NL80211_BAND_5GHZ) {
+ 			chanspec |= WL_CHANSPEC_BAND_5G;
+ 		}
+ 		else {
+@@ -2885,7 +2885,7 @@
+
+ 	if (phy == 'n' || phy == 'a' || phy == 'v') {
+ 		wiphy = wl_to_wiphy(wl);
+-		wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n;
++		wiphy->bands[NL80211_BAND_5GHZ] = &__wl_band_5ghz_n;
+ 	}
+
+ 	return err;

package/batocera/network/broadcom-wl/004-linux48.patch

@@ -0,0 +1,64 @@
+From d3f93542326a06d920c6eb89b703384290d37b8b Mon Sep 17 00:00:00 2001
+From: Alberto Milone <alberto.milone@canonical.com>
+Date: Fri, 2 Sep 2016 17:35:34 +0200
+Subject: [PATCH 1/1] Add support for Linux 4.8
+
+Orginal author: Krzysztof Kolasa
+---
+ src/wl/sys/wl_cfg80211_hybrid.c | 22 ++++++++++++++++++++++
+ 1 file changed, 22 insertions(+)
+
+diff --git a/src/wl/sys/wl_cfg80211_hybrid.c b/src/wl/sys/wl_cfg80211_hybrid.c
+index 2fc71fe..ec5e472 100644
+--- a/src/wl/sys/wl_cfg80211_hybrid.c
++++ b/src/wl/sys/wl_cfg80211_hybrid.c
+@@ -2388,8 +2388,16 @@ wl_bss_connect_done(struct wl_cfg80211_priv *wl, struct net_device *ndev,
+ 	s32 err = 0;
+
+ 	if (wl->scan_request) {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
++		struct cfg80211_scan_info info = {
++			.aborted = true,
++		};
++		WL_DBG(("%s: Aborting scan\n", __FUNCTION__));
++		cfg80211_scan_done(wl->scan_request, &info);
++#else
+ 		WL_DBG(("%s: Aborting scan\n", __FUNCTION__));
+ 		cfg80211_scan_done(wl->scan_request, true);     
++#endif
+ 		wl->scan_request = NULL;
+ 	}
+
+@@ -2490,7 +2498,14 @@ wl_notify_scan_status(struct wl_cfg80211_priv *wl, struct net_device *ndev,
+
+ scan_done_out:
+ 	if (wl->scan_request) {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
++		struct cfg80211_scan_info info = {
++			.aborted = false,
++		};
++		cfg80211_scan_done(wl->scan_request, &info);
++#else
+ 		cfg80211_scan_done(wl->scan_request, false);
++#endif
+ 		wl->scan_request = NULL;
+ 	}
+ 	rtnl_unlock();
+@@ -2909,7 +2924,14 @@ s32 wl_cfg80211_down(struct net_device *ndev)
+ 	s32 err = 0;
+
+ 	if (wl->scan_request) {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
++		struct cfg80211_scan_info info = {
++			.aborted = true,
++		};
++		cfg80211_scan_done(wl->scan_request, &info);
++#else
+ 		cfg80211_scan_done(wl->scan_request, true);	
++#endif
+ 		wl->scan_request = NULL;
+ 	}
+
+-- 
+2.7.4
+