2022-06-13 10:38:18 +01:00
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From 31b7849092c43805c7fbaf7518b99874aa1b310c Mon Sep 17 00:00:00 2001
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From: Joan Bruguera <joanbrugueram@gmail.com>
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Date: Wed, 12 Jan 2022 20:49:20 +0100
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Subject: [PATCH] Tentative fix for broadcom-wl 6.30.223.271 driver for Linux 5.17-rc1
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Set netdev->dev_addr through dev_addr_mod + PDE_DATA fix
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Since Linux 5.17 netdev->dev_addr is const and must be changed through
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dev_addr_mod, otherwise a warning is logged in dmesg and bad things may happen.
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NB: The #if is not wrong, dev_addr_mod is defined since Linux 5.15-rc1
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Plus a trivial fix for PDE_DATA.
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Applies on top of all the patches applied to broadcom-wl-dkms 6.30.223.271-28 on Arch Linux.
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See also: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=adeef3e32146a8d2a73c399dc6f5d76a449131b1
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=359745d78351c6f5442435f81549f0207ece28aa
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---
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src/wl/sys/wl_linux.c | 16 +++++++++++++---
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1 file changed, 13 insertions(+), 3 deletions(-)
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diff --git a/src/wl/sys/wl_linux.c b/src/wl/sys/wl_linux.c
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index e491df7..e4614fb 100644
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--- a/src/wl/sys/wl_linux.c
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+++ b/src/wl/sys/wl_linux.c
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@@ -93,6 +93,10 @@ struct iw_statistics *wl_get_wireless_stats(struct net_device *dev);
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#include <wlc_wowl.h>
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+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 17, 0))
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+#define PDE_DATA pde_data
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+#endif
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+
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
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static void wl_timer(struct timer_list *tl);
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#else
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@@ -490,6 +494,12 @@ wl_if_setup(struct net_device *dev)
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#endif
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}
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0)
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+static inline void eth_hw_addr_set(struct net_device *dev, const void *addr) {
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+ memcpy(dev->dev_addr, addr, ETHER_ADDR_LEN);
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+}
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+#endif
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+
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static wl_info_t *
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wl_attach(uint16 vendor, uint16 device, ulong regs,
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uint bustype, void *btparam, uint irq, uchar* bar1_addr, uint32 bar1_size)
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@@ -634,7 +644,7 @@ wl_attach(uint16 vendor, uint16 device, ulong regs,
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WL_ERROR(("wl%d: Error setting MAC ADDRESS\n", unit));
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}
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#endif
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- bcopy(&wl->pub->cur_etheraddr, dev->dev_addr, ETHER_ADDR_LEN);
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+ eth_hw_addr_set(dev, wl->pub->cur_etheraddr.octet);
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online_cpus = 1;
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@@ -1835,7 +1845,7 @@ wl_set_mac_address(struct net_device *dev, void *addr)
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WL_LOCK(wl);
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- bcopy(sa->sa_data, dev->dev_addr, ETHER_ADDR_LEN);
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+ eth_hw_addr_set(dev, sa->sa_data);
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err = wlc_iovar_op(wl->wlc, "cur_etheraddr", NULL, 0, sa->sa_data, ETHER_ADDR_LEN,
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IOV_SET, (WL_DEV_IF(dev))->wlcif);
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WL_UNLOCK(wl);
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@@ -3010,7 +3020,7 @@ _wl_add_monitor_if(wl_task_t *task)
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2022-03-29 07:48:01 +01:00
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else
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dev->type = ARPHRD_IEEE80211_RADIOTAP;
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2022-06-13 10:38:18 +01:00
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- bcopy(wl->dev->dev_addr, dev->dev_addr, ETHER_ADDR_LEN);
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+ eth_hw_addr_set(dev, wl->dev->dev_addr);
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2022-03-29 07:48:01 +01:00
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#if defined(WL_USE_NETDEV_OPS)
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dev->netdev_ops = &wl_netdev_monitor_ops;
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2022-06-13 10:38:18 +01:00
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--
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2.35.1
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