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nongnu: broadcom-sta: Fix build on linux 5.10 and later.

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* nongnu/packages/linux.scm (broadcom-sta-x86_64-source): Use new patch file.
* nongnu/packages/patches/broadcom-sta-linux-5.10.patch: New patch file.

Signed-off-by: Jonathan Brielmaier <jonathan.brielmaier@web.de>
This commit is contained in:
James Smith 2021-02-02 10:06:17 -07:00 committed by Jonathan Brielmaier
parent 919727dcd4
commit a57085e47b
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GPG key ID: ECFC83988B4E4B9F
2 changed files with 215 additions and 3 deletions
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7
nongnu/packages/linux.scm
View file

@ -2,8 +2,8 @@
;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
;;; Copyright © 2019 Giacomo Leidi <goodoldpaul@autistici.org>
;;; Copyright © 2019 Timotej Lazar <timotej.lazar@araneo.si>
;;; Copyright © 2020 James Smith <jsubuntuxp@disroot.org>
;;; Copyright © 2020,2021 Jonathan Brielmaier <jonathan.brielmaier@web.de>
;;; Copyright © 2020, 2021 James Smith <jsubuntuxp@disroot.org>
;;; Copyright © 2020, 2021 Jonathan Brielmaier <jonathan.brielmaier@web.de>
;;;
;;; This program is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
@ -560,7 +560,8 @@ package contains nonfree firmware for the following chips:
"broadcom-sta-linux-5.1.patch"
;; source: https://github.com/NixOS/nixpkgs/commit/8ce65087c333097ab714d23800b69fc471ec48ca
"broadcom-sta-linux-5.6.patch"
"broadcom-sta-linux-5.9.patch")))
"broadcom-sta-linux-5.9.patch"
"broadcom-sta-linux-5.10.patch")))
(sha256
(base32
"1gj485qqr190idilacpxwgqyw21il03zph2rddizgj7fbd6pfyaz"))))

211
nongnu/packages/patches/broadcom-sta-linux-5.10.patch Normal file
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@ -0,0 +1,211 @@
From f3d652840f8dd959395065a1cf67ca40b04ec69b Mon Sep 17 00:00:00 2001
From: Joan Bruguera <joanbrugueram@gmail.com>
Date: Tue, 13 Oct 2020 19:35:55 +0200
Subject: [PATCH] Get rid of get_fs/set_fs calls in Broadcom WL driver.
Tentative patch for broadcom-wl 6.30.223.271 driver for Linux 5.10 (tested -rc1 up to 5.10.1)
Applies on top of all the patches applied to broadcom-wl-dkms 6.30.223.271-23 on Arch Linux.
NB: Some checks in wlc_ioctl_internal are likely superfluous,
but I'm not familiar enough with the driver to remove them with confidence.
See also: https://lwn.net/Articles/722267/
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=47058bb54b57962b3958a936ddbc59355e4c5504
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5e6e9852d6f76e01b2e6803c74258afa5b432bc5
Signed-off-by: Joan Bruguera <joanbrugueram@gmail.com>
---
src/wl/sys/wl_cfg80211_hybrid.c | 25 ++-------------------
src/wl/sys/wl_iw.c | 25 ++-------------------
src/wl/sys/wl_linux.c | 40 ++++++++++++++++++++++++++++-----
src/wl/sys/wl_linux.h | 2 ++
src/wl/sys/wlc_pub.h | 1 +
5 files changed, 42 insertions(+), 51 deletions(-)
diff --git a/src/wl/sys/wl_cfg80211_hybrid.c b/src/wl/sys/wl_cfg80211_hybrid.c
index 73c4b82..2e6df32 100644
--- a/src/wl/sys/wl_cfg80211_hybrid.c
+++ b/src/wl/sys/wl_cfg80211_hybrid.c
@@ -38,6 +38,7 @@
#include <wlioctl.h>
#include <proto/802.11.h>
#include <wl_cfg80211_hybrid.h>
+#include <wl_linux.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
#include <linux/sched/signal.h>
@@ -443,30 +444,8 @@ static void key_endian_to_host(struct wl_wsec_key *key)
static s32
wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len)
{
- struct ifreq ifr;
- struct wl_ioctl ioc;
- mm_segment_t fs;
- s32 err = 0;
-
BUG_ON(len < sizeof(int));
-
- memset(&ioc, 0, sizeof(ioc));
- ioc.cmd = cmd;
- ioc.buf = arg;
- ioc.len = len;
- strcpy(ifr.ifr_name, dev->name);
- ifr.ifr_data = (caddr_t)&ioc;
-
- fs = get_fs();
- set_fs(KERNEL_DS);
-#if defined(WL_USE_NETDEV_OPS)
- err = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
-#else
- err = dev->do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
-#endif
- set_fs(fs);
-
- return err;
+ return wlc_ioctl_internal(dev, cmd, arg, len);
}
static s32
diff --git a/src/wl/sys/wl_iw.c b/src/wl/sys/wl_iw.c
index 9c3c74e..e346b15 100644
--- a/src/wl/sys/wl_iw.c
+++ b/src/wl/sys/wl_iw.c
@@ -37,6 +37,7 @@ typedef const struct si_pub si_t;
#include <wl_dbg.h>
#include <wl_iw.h>
+#include <wl_linux.h>
extern bool wl_iw_conn_status_str(uint32 event_type, uint32 status,
uint32 reason, char* stringBuf, uint buflen);
@@ -103,29 +104,7 @@ dev_wlc_ioctl(
int len
)
{
- struct ifreq ifr;
- wl_ioctl_t ioc;
- mm_segment_t fs;
- int ret;
-
- memset(&ioc, 0, sizeof(ioc));
- ioc.cmd = cmd;
- ioc.buf = arg;
- ioc.len = len;
-
- strcpy(ifr.ifr_name, dev->name);
- ifr.ifr_data = (caddr_t) &ioc;
-
- fs = get_fs();
- set_fs(KERNEL_DS);
-#if defined(WL_USE_NETDEV_OPS)
- ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
-#else
- ret = dev->do_ioctl(dev, &ifr, SIOCDEVPRIVATE);
-#endif
- set_fs(fs);
-
- return ret;
+ return wlc_ioctl_internal(dev, cmd, arg, len);
}
static int
diff --git a/src/wl/sys/wl_linux.c b/src/wl/sys/wl_linux.c
index cca7ee1..e491df7 100644
--- a/src/wl/sys/wl_linux.c
+++ b/src/wl/sys/wl_linux.c
@@ -1647,10 +1647,7 @@ wl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
goto done2;
}
- if (get_fs().seg == KERNEL_DS.seg)
- buf = ioc.buf;
-
- else if (ioc.buf) {
+ if (ioc.buf) {
if (!(buf = (void *) MALLOC(wl->osh, MAX(ioc.len, WLC_IOCTL_MAXLEN)))) {
bcmerror = BCME_NORESOURCE;
goto done2;
@@ -1671,7 +1668,7 @@ wl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
WL_UNLOCK(wl);
done1:
- if (ioc.buf && (ioc.buf != buf)) {
+ if (ioc.buf) {
if (copy_to_user(ioc.buf, buf, ioc.len))
bcmerror = BCME_BADADDR;
MFREE(wl->osh, buf, MAX(ioc.len, WLC_IOCTL_MAXLEN));
@@ -1684,6 +1681,39 @@ done2:
return (OSL_ERROR(bcmerror));
}
+int
+wlc_ioctl_internal(struct net_device *dev, int cmd, void *buf, int len)
+{
+ wl_info_t *wl;
+ wl_if_t *wlif;
+ int bcmerror;
+
+ if (!dev)
+ return -ENETDOWN;
+
+ wl = WL_INFO(dev);
+ wlif = WL_DEV_IF(dev);
+ if (wlif == NULL || wl == NULL || wl->dev == NULL)
+ return -ENETDOWN;
+
+ bcmerror = 0;
+
+ WL_TRACE(("wl%d: wlc_ioctl_internal: cmd 0x%x\n", wl->pub->unit, cmd));
+
+ WL_LOCK(wl);
+ if (!capable(CAP_NET_ADMIN)) {
+ bcmerror = BCME_EPERM;
+ } else {
+ bcmerror = wlc_ioctl(wl->wlc, cmd, buf, len, wlif->wlcif);
+ }
+ WL_UNLOCK(wl);
+
+ ASSERT(VALID_BCMERROR(bcmerror));
+ if (bcmerror != 0)
+ wl->pub->bcmerror = bcmerror;
+ return (OSL_ERROR(bcmerror));
+}
+
static struct net_device_stats*
wl_get_stats(struct net_device *dev)
{
diff --git a/src/wl/sys/wl_linux.h b/src/wl/sys/wl_linux.h
index 5b1048e..c8c1f41 100644
--- a/src/wl/sys/wl_linux.h
+++ b/src/wl/sys/wl_linux.h
@@ -22,6 +22,7 @@
#define _wl_linux_h_
#include <wlc_types.h>
+#include <wlc_pub.h>
typedef struct wl_timer {
struct timer_list timer;
@@ -187,6 +188,7 @@ extern irqreturn_t wl_isr(int irq, void *dev_id, struct pt_regs *ptregs);
extern int __devinit wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
extern void wl_free(wl_info_t *wl);
extern int wl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+extern int wlc_ioctl_internal(struct net_device *dev, int cmd, void *buf, int len);
extern struct net_device * wl_netdev_get(wl_info_t *wl);
#endif
diff --git a/src/wl/sys/wlc_pub.h b/src/wl/sys/wlc_pub.h
index 53a98b8..2b5a029 100644
--- a/src/wl/sys/wlc_pub.h
+++ b/src/wl/sys/wlc_pub.h
@@ -24,6 +24,7 @@
#include <wlc_types.h>
#include <wlc_utils.h>
+#include <siutils.h>
#include "proto/802.11.h"
#include "proto/bcmevent.h"
--
2.28.0