First commit

README.md

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+# Introduction
+
+This repo provides dkms source code for wireless adapters based on the Broadcom ap6xxx chipset.
+
+Forked from BCMDHD 101.10.591.52.27 and adapted for the Rockchip platform.

debian/.gitignore

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+/.debhelper
+/debhelper-build-stamp
+/files
+/bcmdhd-*
+/*.debhelper.log
+/*.debhelper
+/*.substvars

debian/bcmdhd-pcie-dkms.dkms

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+PACKAGE_VARIANT="pcie"
+PACKAGE_NAME="bcmdhd-pcie"
+PACKAGE_VERSION="#MODULE_VERSION#"
+CLEAN="make clean"
+MAKE[0]="make -C $kernel_source_dir M=$dkms_tree/$PACKAGE_NAME/$PACKAGE_VERSION/build/src CONFIG_BCMDHD_SDIO= CONFIG_BCMDHD_PCIE=y CONFIG_BCMDHD_USB="
+
+BUILT_MODULE_NAME[0]="bcmdhd_$PACKAGE_VARIANT"
+DEST_MODULE_NAME[0]="${BUILT_MODULE_NAME[0]}"
+BUILT_MODULE_LOCATION[0]="src"
+DEST_MODULE_LOCATION[0]="/updates/dkms"
+
+BUILT_MODULE_NAME[1]="dhd_static_buf_$PACKAGE_VARIANT"
+DEST_MODULE_NAME[1]="${BUILT_MODULE_NAME[1]}"
+BUILT_MODULE_LOCATION[1]="src"
+DEST_MODULE_LOCATION[1]="/updates/dkms"
+
+AUTOINSTALL=yes

debian/bcmdhd-pcie-dkms.docs

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+

debian/bcmdhd-pcie-dkms.install

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+#!/usr/bin/dh-exec
+
+src usr/src/bcmdhd-pcie-${DEB_VERSION}/

debian/bcmdhd-sdio-dkms.dkms

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+PACKAGE_VARIANT="sdio"
+PACKAGE_NAME="bcmdhd-sdio"
+PACKAGE_VERSION="#MODULE_VERSION#"
+CLEAN="make clean"
+MAKE[0]="make -C $kernel_source_dir M=$dkms_tree/$PACKAGE_NAME/$PACKAGE_VERSION/build/src CONFIG_BCMDHD_SDIO=y CONFIG_BCMDHD_PCIE= CONFIG_BCMDHD_USB="
+
+BUILT_MODULE_NAME[0]="bcmdhd_$PACKAGE_VARIANT"
+DEST_MODULE_NAME[0]="${BUILT_MODULE_NAME[0]}"
+BUILT_MODULE_LOCATION[0]="src"
+DEST_MODULE_LOCATION[0]="/updates/dkms"
+
+BUILT_MODULE_NAME[1]="dhd_static_buf_$PACKAGE_VARIANT"
+DEST_MODULE_NAME[1]="${BUILT_MODULE_NAME[1]}"
+BUILT_MODULE_LOCATION[1]="src"
+DEST_MODULE_LOCATION[1]="/updates/dkms"
+
+AUTOINSTALL=yes

debian/bcmdhd-sdio-dkms.docs

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+

debian/bcmdhd-sdio-dkms.install

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+#!/usr/bin/dh-exec
+
+src usr/src/bcmdhd-sdio-${DEB_VERSION}/

debian/bcmdhd-usb-dkms.dkms

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+PACKAGE_VARIANT="usb"
+PACKAGE_NAME="bcmdhd-usb"
+PACKAGE_VERSION="#MODULE_VERSION#"
+CLEAN="make clean"
+MAKE[0]="make -C $kernel_source_dir M=$dkms_tree/$PACKAGE_NAME/$PACKAGE_VERSION/build/src CONFIG_BCMDHD_SDIO= CONFIG_BCMDHD_PCIE= CONFIG_BCMDHD_USB=y"
+
+BUILT_MODULE_NAME[0]="bcmdhd_$PACKAGE_VARIANT"
+DEST_MODULE_NAME[0]="${BUILT_MODULE_NAME[0]}"
+BUILT_MODULE_LOCATION[0]="src"
+DEST_MODULE_LOCATION[0]="/updates/dkms"
+
+BUILT_MODULE_NAME[1]="dhd_static_buf_$PACKAGE_VARIANT"
+DEST_MODULE_NAME[1]="${BUILT_MODULE_NAME[1]}"
+BUILT_MODULE_LOCATION[1]="src"
+DEST_MODULE_LOCATION[1]="/updates/dkms"
+
+AUTOINSTALL=yes

debian/bcmdhd-usb-dkms.docs

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+

debian/bcmdhd-usb-dkms.install

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+#!/usr/bin/dh-exec
+
+src usr/src/bcmdhd-usb-${DEB_VERSION}/

debian/compat

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+10

debian/control

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+Source: bcmdhd-dkms
+Maintainer: Joshua Riek <jjriek@verizon.net>
+Section: misc
+Priority: optional
+Standards-Version: 4.6.0
+Build-Depends: debhelper (>=12~),
+               devscripts,
+               dh-exec,
+               dh-sequence-dkms,
+               lintian
+
+Package: bcmdhd-sdio-dkms
+Architecture: arm64
+Section: misc
+Priority: optional
+Depends: ${misc:Depends}, rockchip-firmware
+Conflicts: bcmdhd-pcie-dkms, bcmdhd-usb-dkms
+Description: dkms sources for Broadcom ap6xxx SDIO
+ This package provides the dkms source code for Broadcom
+ ap6xxx SDIO.
+
+Package: bcmdhd-pcie-dkms
+Architecture: arm64
+Section: misc
+Priority: optional
+Depends: ${misc:Depends}, rockchip-firmware
+Conflicts: bcmdhd-sdio-dkms, bcmdhd-usb-dkms
+Description: dkms sources for Broadcom ap6xxx PCIe
+ This package provides the dkms source code for Broadcom
+ ap6xxx PCIe.
+
+Package: bcmdhd-usb-dkms
+Architecture: arm64
+Section: misc
+Priority: optional
+Depends: ${misc:Depends}, rockchip-firmware
+Conflicts: bcmdhd-sdio-dkms, bcmdhd-pcie-dkms
+Description: dkms sources for Broadcom ap6xxx USB
+ This package provides the dkms source code for Broadcom
+ ap6xxx USB.

debian/rules

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+#!/usr/bin/make -f
+
+include /usr/share/dpkg/pkg-info.mk
+include /usr/share/dpkg/architecture.mk
+
+export DEB_CFLAGS_MAINT_APPEND = -pthread
+
+%:
+	dh $@
+
+override_dh_install:
+	DEB_VERSION=$(DEB_VERSION) dh_install --exclude=*.ko --exclude=*.a --exclude=*.swp --exclude=*.o \
+		--exclude=.gitignore
+
+override_dh_shlibdeps:
+	dh_shlibdeps -l/lib/aarch64-linux-gnu/
+
+override_dh_dkms:
+	dh_dkms -V $(DEB_VERSION)
+
+override_dh_builddeb:
+	dh_builddeb -- -Zxz

debian/source/format

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+1.0

src/Kconfig

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+#
+# Copyright (C) 2023, Broadcom.
+#
+#      Unless you and Broadcom execute a separate written software license
+# agreement governing use of this software, this software is licensed to you
+# under the terms of the GNU General Public License version 2 (the "GPL"),
+# available at http://www.broadcom.com/licenses/GPLv2.php, with the
+# following added to such license:
+#
+#      As a special exception, the copyright holders of this software give you
+# permission to link this software with independent modules, and to copy and
+# distribute the resulting executable under terms of your choice, provided that
+# you also meet, for each linked independent module, the terms and conditions of
+# the license of that module.  An independent module is a module which is not
+# derived from this software.  The special exception does not apply to any
+# modifications of the software.
+#
+#
+# <<Broadcom-WL-IPTag/Open:>>
+#
+
+config BCMDHD
+	tristate "Broadcom FullMAC wireless cards support"
+	default m
+	help
+	  This module adds support for wireless adapters based on
+	  Broadcom FullMAC chipset.
+
+config BCMDHD_FW_PATH
+	depends on BCMDHD
+	string "Firmware path"
+	default "/system/etc/firmware/fw_bcmdhd.bin"
+	help
+	  Path to the firmware file.
+
+config BCMDHD_NVRAM_PATH
+	depends on BCMDHD
+	string "NVRAM path"
+	default "/system/etc/firmware/nvram.txt"
+	help
+	  Path to the calibration file.
+
+config BCMDHD_WEXT
+	bool "Enable WEXT support"
+	depends on BCMDHD && CFG80211 = n
+	select WIRELESS_EXT
+	select WEXT_PRIV
+	help
+	  Enables WEXT support
+
+choice
+	prompt "Enable Chip Interface"
+	depends on BCMDHD
+	help
+		Enable Chip Interface.
+config BCMDHD_SDIO
+		bool "SDIO bus interface support"
+		depends on BCMDHD && MMC
+config BCMDHD_PCIE
+		bool "PCIe bus interface support"
+		depends on BCMDHD && PCI
+config BCMDHD_USB
+		bool "USB bus interface support"
+		depends on BCMDHD && USB
+endchoice
+
+choice
+	depends on BCMDHD && BCMDHD_SDIO
+	prompt "Interrupt type"
+	help
+		Interrupt type
+config BCMDHD_OOB
+	depends on BCMDHD && BCMDHD_SDIO
+	bool "Out-of-Band Interrupt"
+	help
+		Interrupt from WL_HOST_WAKE.
+config BCMDHD_SDIO_IRQ
+	depends on BCMDHD && BCMDHD_SDIO
+	bool "In-Band Interrupt"
+	help
+	  Interrupt from SDIO DAT[1]
+endchoice

src/bcmbloom.c

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+/*
+ * Bloom filter support
+ *
+ * Copyright (C) 2022, Broadcom.
+ *
+ *      Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * under the terms of the GNU General Public License version 2 (the "GPL"),
+ * available at http://www.broadcom.com/licenses/GPLv2.php, with the
+ * following added to such license:
+ *
+ *      As a special exception, the copyright holders of this software give you
+ * permission to link this software with independent modules, and to copy and
+ * distribute the resulting executable under terms of your choice, provided that
+ * you also meet, for each linked independent module, the terms and conditions of
+ * the license of that module.  An independent module is a module which is not
+ * derived from this software.  The special exception does not apply to any
+ * modifications of the software.
+ *
+ *
+ * <<Broadcom-WL-IPTag/Dual:>>
+ */
+
+#include <typedefs.h>
+#include <bcmdefs.h>
+
+#ifdef BCMDRIVER
+#include <osl.h>
+#include <bcmutils.h>
+#else /* !BCMDRIVER */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifndef ASSERT
+#define ASSERT(exp)
+#endif
+#endif /* !BCMDRIVER */
+#include <bcmutils.h>
+
+#include <bcmbloom.h>
+
+#define BLOOM_BIT_LEN(_x) ((_x) << 3)
+
+struct bcm_bloom_filter {
+	void *cb_ctx;
+	uint max_hash;
+	bcm_bloom_hash_t *hash;	/* array of hash functions */
+	uint filter_size; 		/* in bytes */
+	uint8 *filter; 			/* can be NULL for validate only */
+};
+
+/* public interface */
+int
+bcm_bloom_create(bcm_bloom_alloc_t alloc_cb,
+	bcm_bloom_free_t free_cb, void *cb_ctx, uint max_hash,
+	uint filter_size, bcm_bloom_filter_t **bloom)
+{
+	int err = BCME_OK;
+	bcm_bloom_filter_t *bp = NULL;
+
+	if (!bloom || !alloc_cb || (max_hash == 0)) {
+		err = BCME_BADARG;
+		goto done;
+	}
+
+	bp = (*alloc_cb)(cb_ctx, sizeof(*bp));
+	if (!bp) {
+		err = BCME_NOMEM;
+		goto done;
+	}
+	bzero(bp, sizeof(*bp));
+
+	bp->cb_ctx = cb_ctx;
+	bp->max_hash = max_hash;
+	bp->hash = (*alloc_cb)(cb_ctx, sizeof(*bp->hash) * max_hash);
+	if (!bp->hash) {
+		err = BCME_NOMEM;
+		goto done;
+	}
+	bzero(bp->hash, sizeof(*bp->hash) * max_hash);
+
+	if (filter_size > 0) {
+		bp->filter = (*alloc_cb)(cb_ctx, filter_size);
+		if (!bp->filter) {
+			err = BCME_NOMEM;
+			goto done;
+		}
+		bp->filter_size = filter_size;
+		bzero(bp->filter, filter_size);
+	}
+
+	*bloom = bp;
+
+done:
+	if (err != BCME_OK)
+		bcm_bloom_destroy(&bp, free_cb);
+
+	return err;
+}
+
+int
+bcm_bloom_destroy(bcm_bloom_filter_t **bloom, bcm_bloom_free_t free_cb)
+{
+	int err = BCME_OK;
+	bcm_bloom_filter_t *bp;
+
+	if (!bloom || !*bloom || !free_cb)
+		goto done;
+
+	bp = *bloom;
+	*bloom = NULL;
+
+	if (bp->filter)
+		(*free_cb)(bp->cb_ctx, bp->filter, bp->filter_size);
+	if (bp->hash)
+		(*free_cb)(bp->cb_ctx, bp->hash,
+			sizeof(*bp->hash) * bp->max_hash);
+	(*free_cb)(bp->cb_ctx, bp, sizeof(*bp));
+
+done:
+	return err;
+}
+
+int
+bcm_bloom_add_hash(bcm_bloom_filter_t *bp, bcm_bloom_hash_t hash, uint *idx)
+{
+	uint i;
+
+	if (!bp || !hash || !idx)
+		return BCME_BADARG;
+
+	for (i = 0; i < bp->max_hash; ++i) {
+		if (bp->hash[i] == NULL)
+			break;
+	}
+
+	if (i >= bp->max_hash)
+		return BCME_NORESOURCE;
+
+	bp->hash[i] = hash;
+	*idx = i;
+	return BCME_OK;
+}
+
+int
+bcm_bloom_remove_hash(bcm_bloom_filter_t *bp, uint idx)
+{
+	if (!bp)
+		return BCME_BADARG;
+
+	if (idx >= bp->max_hash)
+		return BCME_NOTFOUND;
+
+	bp->hash[idx] = NULL;
+	return BCME_OK;
+}
+
+bool
+bcm_bloom_is_member(bcm_bloom_filter_t *bp,
+	const uint8 *tag, uint tag_len, const uint8 *buf, uint buf_len)
+{
+	uint i;
+	int err = BCME_OK;
+
+	if (!tag || (tag_len == 0)) /* empty tag is always a member */
+		goto done;
+
+	/* use internal buffer if none was specified */
+	if (!buf || (buf_len == 0)) {
+		if (!bp->filter)	/* every one is a member of empty filter */
+			goto done;
+
+		buf = bp->filter;
+		buf_len = bp->filter_size;
+	}
+
+	for (i = 0; i < bp->max_hash; ++i) {
+		uint pos;
+		if (!bp->hash[i])
+			continue;
+		pos = (*bp->hash[i])(bp->cb_ctx, i, tag, tag_len);
+
+		/* all bits must be set for a match */
+		if (isclr(buf, pos % BLOOM_BIT_LEN(buf_len))) {
+			err = BCME_NOTFOUND;
+			break;
+		}
+	}
+
+done:
+	return err;
+}
+
+int
+bcm_bloom_add_member(bcm_bloom_filter_t *bp, const uint8 *tag, uint tag_len)
+{
+	uint i;
+
+	if (!bp || !tag || (tag_len == 0))
+		return BCME_BADARG;
+
+	if (!bp->filter)		/* validate only */
+		return BCME_UNSUPPORTED;
+
+	for (i = 0; i < bp->max_hash; ++i) {
+		uint pos;
+		if (!bp->hash[i])
+			continue;
+		pos = (*bp->hash[i])(bp->cb_ctx, i, tag, tag_len);
+		setbit(bp->filter, pos % BLOOM_BIT_LEN(bp->filter_size));
+	}
+
+	return BCME_OK;
+}
+
+int bcm_bloom_get_filter_data(bcm_bloom_filter_t *bp,
+	uint buf_size, uint8 *buf, uint *buf_len)
+{
+	if (!bp)
+		return BCME_BADARG;
+
+	if (buf_len)
+		*buf_len = bp->filter_size;
+
+	if (buf_size < bp->filter_size)
+		return BCME_BUFTOOSHORT;
+
+	if (bp->filter && bp->filter_size)
+		memcpy(buf, bp->filter, bp->filter_size);
+
+	return BCME_OK;
+}