Make Broadcom wireless cards work

- Import Arch Linux patches for the `broadcom-wl` driver and WPA Supplicant
- Implement support for Message Signaled Interrupts (MSI) to allow the card
  to be used with PCI pass-through

References:
- https://gitlab.archlinux.org/archlinux/packaging/packages/broadcom-wl-dkms/
- https://gitlab.archlinux.org/archlinux/packaging/packages/wpa_supplicant/

Tested by:	venoom27 <venoom27@fromgithub>

1 files changed, 80 insertions, 0 deletions

diff --git a/aports/broadcom-wl/012-linux517.patch b/aports/broadcom-wl/012-linux517.patch
new file mode 100644
index 0000000..6f23316
--- /dev/null
+++ b/aports/broadcom-wl/012-linux517.patch
@@ -0,0 +1,80 @@
+From 31b7849092c43805c7fbaf7518b99874aa1b310c Mon Sep 17 00:00:00 2001
+From: Joan Bruguera <joanbrugueram@gmail.com>
+Date: Wed, 12 Jan 2022 20:49:20 +0100
+Subject: [PATCH] Tentative fix for broadcom-wl 6.30.223.271 driver for Linux 5.17-rc1
+
+Set netdev->dev_addr through dev_addr_mod + PDE_DATA fix
+
+Since Linux 5.17 netdev->dev_addr is const and must be changed through
+dev_addr_mod, otherwise a warning is logged in dmesg and bad things may happen.
+
+NB: The #if is not wrong, dev_addr_mod is defined since Linux 5.15-rc1
+
+Plus a trivial fix for PDE_DATA.
+
+Applies on top of all the patches applied to broadcom-wl-dkms 6.30.223.271-28 on Arch Linux.
+
+See also: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=adeef3e32146a8d2a73c399dc6f5d76a449131b1
+          https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=359745d78351c6f5442435f81549f0207ece28aa
+---
+ src/wl/sys/wl_linux.c | 16 +++++++++++++---
+ 1 file changed, 13 insertions(+), 3 deletions(-)
+
+diff --git a/src/wl/sys/wl_linux.c b/src/wl/sys/wl_linux.c
+index e491df7..e4614fb 100644
+--- a/src/wl/sys/wl_linux.c
++++ b/src/wl/sys/wl_linux.c
+@@ -93,6 +93,10 @@ struct iw_statistics *wl_get_wireless_stats(struct net_device *dev);
+ 
+ #include <wlc_wowl.h>
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 17, 0))
++#define PDE_DATA pde_data
++#endif
++
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
+ static void wl_timer(struct timer_list *tl);
+ #else
+@@ -490,6 +494,12 @@ wl_if_setup(struct net_device *dev)
+ #endif
+ }
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0)
++static inline void eth_hw_addr_set(struct net_device *dev, const void *addr) {
++	memcpy(dev->dev_addr, addr, ETHER_ADDR_LEN);
++}
++#endif
++
+ static wl_info_t *
+ wl_attach(uint16 vendor, uint16 device, ulong regs,
+ 	uint bustype, void *btparam, uint irq, uchar* bar1_addr, uint32 bar1_size)
+@@ -634,7 +644,7 @@ wl_attach(uint16 vendor, uint16 device, ulong regs,
+ 			WL_ERROR(("wl%d: Error setting MAC ADDRESS\n", unit));
+ 	}
+ #endif 
+-	bcopy(&wl->pub->cur_etheraddr, dev->dev_addr, ETHER_ADDR_LEN);
++	eth_hw_addr_set(dev, wl->pub->cur_etheraddr.octet);
+ 
+ 	online_cpus = 1;
+ 
+@@ -1835,7 +1845,7 @@ wl_set_mac_address(struct net_device *dev, void *addr)
+ 
+ 	WL_LOCK(wl);
+ 
+-	bcopy(sa->sa_data, dev->dev_addr, ETHER_ADDR_LEN);
++	eth_hw_addr_set(dev, sa->sa_data);
+ 	err = wlc_iovar_op(wl->wlc, "cur_etheraddr", NULL, 0, sa->sa_data, ETHER_ADDR_LEN,
+ 		IOV_SET, (WL_DEV_IF(dev))->wlcif);
+ 	WL_UNLOCK(wl);
+@@ -3010,7 +3020,7 @@ _wl_add_monitor_if(wl_task_t *task)
+ 	else
+ 		dev->type = ARPHRD_IEEE80211_RADIOTAP;
+ 
+-	bcopy(wl->dev->dev_addr, dev->dev_addr, ETHER_ADDR_LEN);
++	eth_hw_addr_set(dev, wl->dev->dev_addr);
+ 
+ #if defined(WL_USE_NETDEV_OPS)
+ 	dev->netdev_ops = &wl_netdev_monitor_ops;
+-- 
+2.35.1
+