mac80211: add brcmsmac driver

brcmsmac does not work on bcm47xx based devices or has AP mode support for now.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30643 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 268 insertions, 3 deletions

diff --git a/package/mac80211/Makefile b/package/mac80211/Makefile
index e1e7806bc..c56db3470 100644
--- a/package/mac80211/Makefile
+++ b/package/mac80211/Makefile
@@ -1080,6 +1080,34 @@ define KernelPackage/b43legacy/description
 Kernel module for Broadcom 43xx-legacy wireless support (mac80211 stack) new
 endef
 
+define KernelPackage/brcmsmac
+  $(call KernelPackage/mac80211/Default)
+  TITLE:=Broadcom IEEE802.11n PCIe SoftMAC WLAN driver
+  URL:=http://linuxwireless.org/en/users/Drivers/brcm80211
+  DEPENDS+= +@DRIVER_11N_SUPPORT +!TARGET_brcm47xx:kmod-bcma +kmod-lib-cordic +kmod-lib-crc8
+  FILES:= \
+	$(PKG_BUILD_DIR)/drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.ko \
+	$(PKG_BUILD_DIR)/drivers/net/wireless/brcm80211/brcmutil/brcmutil.ko
+  AUTOLOAD:=$(call AutoLoad,30,brcmutil brcmsmac)
+  MENU:=1
+endef
+
+define KernelPackage/brcmsmac/description
+ Kernel modules for Broadcom IEEE802.11n PCIe Wireless cards
+endef
+
+define KernelPackage/brcmsmac/config
+	menu "Configuration"
+		depends on PACKAGE_kmod-brcmsmac
+
+	config PACKAGE_BRCM80211_DEBUG
+		bool "brcmsmac wireless debugging"
+		help
+		  Say Y, if you want to debug brcmsmac wireless driver.
+
+	endmenu
+endef
+
 BUILDFLAGS:= \
 	-I$(PKG_BUILD_DIR)/include \
 	$(foreach opt,$(CONFOPTS),-DCONFIG_$(opt)) \
@@ -1116,7 +1144,8 @@ BUILDFLAGS:= \
 	$(if $(CONFIG_TARGET_atheros),-DCONFIG_ATH5K_AHB,-DCONFIG_ATH5K_PCI) \
 	$(if $(CONFIG_PACKAGE_kmod-iwl3945),-DCONFIG_IWL3945) \
 	$(if $(CONFIG_PACKAGE_kmod-iwl4965),-DCONFIG_COMPAT_IWL4965) \
-	$(if $(CONFIG_PACKAGE_kmod-wl12xx),-DCONFIG_WL12XX -DCONFIG_COMPAT_WL12XX_SDIO)
+	$(if $(CONFIG_PACKAGE_kmod-wl12xx),-DCONFIG_WL12XX -DCONFIG_COMPAT_WL12XX_SDIO) \
+	$(if $(CONFIG_PACKAGE_BRCM80211_DEBUG),-DCONFIG_BRCMDBG)
 
 MAKE_OPTS:= \
 	CROSS_COMPILE="$(KERNEL_CROSS)" \
@@ -1247,8 +1276,9 @@ MAKE_OPTS:= \
 	CONFIG_ATL1E= \
 	CONFIG_ATL1C= \
 	CONFIG_BRCMFMAC= \
-	CONFIG_BRCMUMAC= \
-	CONFIG_BRCMSMAC= \
+	CONFIG_BRCMUTIL=$(if $(CONFIG_PACKAGE_kmod-brcmsmac),m) \
+	CONFIG_BRCMSMAC=$(if $(CONFIG_PACKAGE_kmod-brcmsmac),m) \
+	CONFIG_BRCMDBG=$(if $(CONFIG_PACKAGE_BRCM80211_DEBUG),y) \
 	KLIB_BUILD="$(LINUX_DIR)" \
 	MODPROBE=true \
 	KLIB=$(TARGET_MODULES_DIR) \
@@ -1492,6 +1522,14 @@ ifneq ($(CONFIG_B43LEGACY_FW_SQUASH),)
 endif
 endef
 
+define KernelPackage/brcmsmac/install
+	$(INSTALL_DIR) $(1)/lib/firmware/brcm
+	$(INSTALL_DATA) \
+		$(PKG_BUILD_DIR)/$(PKG_LINUX_FIRMWARE_SUBDIR)/brcm/bcm43xx-0.fw \
+		$(PKG_BUILD_DIR)/$(PKG_LINUX_FIRMWARE_SUBDIR)/brcm/bcm43xx_hdr-0.fw \
+		$(1)/lib/firmware/brcm/
+endef
+
 $(eval $(call KernelPackage,ath5k))
 $(eval $(call KernelPackage,lib80211))
 $(eval $(call KernelPackage,libertas-usb))
@@ -1525,6 +1563,7 @@ $(eval $(call KernelPackage,ath))
 $(eval $(call KernelPackage,carl9170))
 $(eval $(call KernelPackage,b43))
 $(eval $(call KernelPackage,b43legacy))
+$(eval $(call KernelPackage,brcmsmac))
 $(eval $(call KernelPackage,net-libipw))
 $(eval $(call KernelPackage,net-ipw2100))
 $(eval $(call KernelPackage,net-ipw2200))
diff --git a/package/mac80211/patches/022-remove_crc8_and_cordic.patch b/package/mac80211/patches/022-remove_crc8_and_cordic.patch
new file mode 100644
index 000000000..514d56b85
--- /dev/null
+++ b/package/mac80211/patches/022-remove_crc8_and_cordic.patch
@@ -0,0 +1,166 @@
+--- a/compat/Makefile
++++ b/compat/Makefile
+@@ -36,8 +36,6 @@ compat-$(CONFIG_COMPAT_KERNEL_2_6_39) +=
+ compat-$(CONFIG_COMPAT_KERNEL_3_0) += compat-3.0.o
+ compat-$(CONFIG_COMPAT_KERNEL_3_2) += compat-3.2.o
+ 
+-compat-$(CONFIG_COMPAT_CORDIC) += cordic.o
+-compat-$(CONFIG_COMPAT_CRC8) += crc8.o
+ 
+ ifndef CONFIG_64BIT
+ ifndef CONFIG_GENERIC_ATOMIC64
+--- a/include/linux/cordic.h
++++ /dev/null
+@@ -1,48 +0,0 @@
+-/*
+- * Copyright (c) 2011 Broadcom Corporation
+- *
+- * Permission to use, copy, modify, and/or distribute this software for any
+- * purpose with or without fee is hereby granted, provided that the above
+- * copyright notice and this permission notice appear in all copies.
+- *
+- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+- */
+-#ifndef __CORDIC_H_
+-#define __CORDIC_H_
+-
+-#include <linux/types.h>
+-
+-/**
+- * struct cordic_iq - i/q coordinate.
+- *
+- * @i: real part of coordinate (in phase).
+- * @q: imaginary part of coordinate (quadrature).
+- */
+-struct cordic_iq {
+-	s32 i;
+-	s32 q;
+-};
+-
+-/**
+- * cordic_calc_iq() - calculates the i/q coordinate for given angle.
+- *
+- * @theta: angle in degrees for which i/q coordinate is to be calculated.
+- * @coord: function output parameter holding the i/q coordinate.
+- *
+- * The function calculates the i/q coordinate for a given angle using
+- * cordic algorithm. The coordinate consists of a real (i) and an
+- * imaginary (q) part. The real part is essentially the cosine of the
+- * angle and the imaginary part is the sine of the angle. The returned
+- * values are scaled by 2^16 for precision. The range for theta is
+- * for -180 degrees to +180 degrees. Passed values outside this range are
+- * converted before doing the actual calculation.
+- */
+-struct cordic_iq cordic_calc_iq(s32 theta);
+-
+-#endif /* __CORDIC_H_ */
+--- a/include/linux/crc8.h
++++ /dev/null
+@@ -1,101 +0,0 @@
+-/*
+- * Copyright (c) 2011 Broadcom Corporation
+- *
+- * Permission to use, copy, modify, and/or distribute this software for any
+- * purpose with or without fee is hereby granted, provided that the above
+- * copyright notice and this permission notice appear in all copies.
+- *
+- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+- */
+-#ifndef __CRC8_H_
+-#define __CRC8_H_
+-
+-#include <linux/types.h>
+-
+-/* see usage of this value in crc8() description */
+-#define CRC8_INIT_VALUE		0xFF
+-
+-/*
+- * Return value of crc8() indicating valid message+crc. This is true
+- * if a CRC is inverted before transmission. The CRC computed over the
+- * whole received bitstream is _table[x], where x is the bit pattern
+- * of the modification (almost always 0xff).
+- */
+-#define CRC8_GOOD_VALUE(_table)	(_table[0xFF])
+-
+-/* required table size for crc8 algorithm */
+-#define CRC8_TABLE_SIZE			256
+-
+-/* helper macro assuring right table size is used */
+-#define DECLARE_CRC8_TABLE(_table) \
+-	static u8 _table[CRC8_TABLE_SIZE]
+-
+-/**
+- * crc8_populate_lsb - fill crc table for given polynomial in regular bit order.
+- *
+- * @table:	table to be filled.
+- * @polynomial:	polynomial for which table is to be filled.
+- *
+- * This function fills the provided table according the polynomial provided for
+- * regular bit order (lsb first). Polynomials in CRC algorithms are typically
+- * represented as shown below.
+- *
+- *	poly = x^8 + x^7 + x^6 + x^4 + x^2 + 1
+- *
+- * For lsb first direction x^7 maps to the lsb. So the polynomial is as below.
+- *
+- * - lsb first: poly = 10101011(1) = 0xAB
+- */
+-void crc8_populate_lsb(u8 table[CRC8_TABLE_SIZE], u8 polynomial);
+-
+-/**
+- * crc8_populate_msb - fill crc table for given polynomial in reverse bit order.
+- *
+- * @table:	table to be filled.
+- * @polynomial:	polynomial for which table is to be filled.
+- *
+- * This function fills the provided table according the polynomial provided for
+- * reverse bit order (msb first). Polynomials in CRC algorithms are typically
+- * represented as shown below.
+- *
+- *	poly = x^8 + x^7 + x^6 + x^4 + x^2 + 1
+- *
+- * For msb first direction x^7 maps to the msb. So the polynomial is as below.
+- *
+- * - msb first: poly = (1)11010101 = 0xD5
+- */
+-void crc8_populate_msb(u8 table[CRC8_TABLE_SIZE], u8 polynomial);
+-
+-/**
+- * crc8() - calculate a crc8 over the given input data.
+- *
+- * @table:	crc table used for calculation.
+- * @pdata:	pointer to data buffer.
+- * @nbytes:	number of bytes in data buffer.
+- * @crc:	previous returned crc8 value.
+- *
+- * The CRC8 is calculated using the polynomial given in crc8_populate_msb()
+- * or crc8_populate_lsb().
+- *
+- * The caller provides the initial value (either %CRC8_INIT_VALUE
+- * or the previous returned value) to allow for processing of
+- * discontiguous blocks of data.  When generating the CRC the
+- * caller is responsible for complementing the final return value
+- * and inserting it into the byte stream.  When validating a byte
+- * stream (including CRC8), a final return value of %CRC8_GOOD_VALUE
+- * indicates the byte stream data can be considered valid.
+- *
+- * Reference:
+- * "A Painless Guide to CRC Error Detection Algorithms", ver 3, Aug 1993
+- * Williams, Ross N., ross<at>ross.net
+- * (see URL http://www.ross.net/crc/download/crc_v3.txt).
+- */
+-u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes, u8 crc);
+-
+-#endif /* __CRC8_H_ */
diff --git a/package/mac80211/patches/120-pr_fmt_warnings.patch b/package/mac80211/patches/120-pr_fmt_warnings.patch
index 5fde76214..c71777843 100644
--- a/package/mac80211/patches/120-pr_fmt_warnings.patch
+++ b/package/mac80211/patches/120-pr_fmt_warnings.patch
@@ -175,3 +175,63 @@
  #define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
  
  #include <linux/module.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+@@ -16,6 +16,7 @@
+  * File contents: support functions for PCI/PCIe
+  */
+ 
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/delay.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+@@ -14,6 +14,7 @@
+  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+  */
+ 
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/slab.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+@@ -15,6 +15,7 @@
+  */
+ 
+ #define __UNDEF_NO_VERSION__
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/etherdevice.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c
+@@ -14,6 +14,7 @@
+  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+  */
+ 
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/kernel.h>
+--- a/drivers/net/wireless/brcm80211/brcmutil/utils.c
++++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c
+@@ -14,6 +14,7 @@
+  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+  */
+ 
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/netdevice.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -14,6 +14,7 @@
+  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+  */
+ 
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/pci_ids.h>