add the carl9170 wifi driver for ar9170 devices

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19066 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2010-01-07 21:59:57 +00:00
parent 43765b5252
commit 3439640c9a
3 changed files with 186 additions and 0 deletions

62
package/carl9170/Makefile Normal file
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@ -0,0 +1,62 @@
#
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=carl9170
PKG_VERSION:=0.9.2.1
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=http://www.kernel.org/pub/linux/kernel/people/chr/carl9170/$(PKG_VERSION)
PKG_MD5SUM:=5f0057ea651343460ea4f1fb093a4bdf
include $(INCLUDE_DIR)/package.mk
DRV_PATH:=$(PKG_BUILD_DIR)/drivers/net/wireless/ath/carl9170
define KernelPackage/carl9170
SUBMENU:=Wireless Drivers
TITLE:=Driver for Atheros AR9170 USB sticks
DEPENDS:=+kmod-mac80211 +kmod-ath
URL:=http://www.kernel.org/pub/linux/kernel/people/chr/carl9170
FILES:=$(DRV_PATH)/carl9170usb.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoLoad,60,carl9170usb)
endef
define KernelPackage/carl9170/description
This package contains a driver for Atheros AR9170 USB sticks using the free firmware
endef
define Build/Prepare
rm -rf $(PKG_BUILD_DIR)
mkdir -p $(PKG_BUILD_DIR)
$(HOST_TAR) -C $(PKG_BUILD_DIR) -xjf $(DL_DIR)/$(PKG_SOURCE)
$(HOST_TAR) -C $(PKG_BUILD_DIR) -xf $(PKG_BUILD_DIR)/$(PKG_VERSION)/driver/carl9170-driver-$(PKG_VERSION).tar
ln -s Makefile.standalone $(DRV_PATH)/Makefile
ln -s $(STAGING_DIR)/usr/include/mac80211/ath/*.h $(PKG_BUILD_DIR)/drivers/net/wireless/ath/
$(Build/Patch)
endef
BUILDFLAGS= \
$(if $(CONFIG_ATH_USER_REGD),-DATH_USER_REGD)
define Build/Compile
$(MAKE) -C $(LINUX_DIR) \
SUBDIRS="$(DRV_PATH)" \
ARCH="$(LINUX_KARCH)" \
CROSS_COMPILE="$(KERNEL_CROSS)" \
CC="$(TARGET_CC) -I$(STAGING_DIR)/usr/include/mac80211 $(BUILDFLAGS)"
endef
define KernelPackage/carl9170/install
$(INSTALL_DIR) $(1)/lib/firmware
$(INSTALL_DATA) $(PKG_BUILD_DIR)/$(PKG_VERSION)/firmware_build/carl9170.fw $(1)/lib/firmware/
endef
$(eval $(call KernelPackage,carl9170))

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@ -0,0 +1,31 @@
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -983,11 +983,28 @@ err_failed:
ar9170_usb_firmware_failed(aru);
}
+
+
static int ar9170_usb_request_firmware(struct ar9170_usb *aru)
{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
+ const struct firmware *fw;
+ int ret;
+
+ ret = request_firmware(&fw,
+ ar9170_fws[aru->fw_load].files[aru->fw_files].name,
+ &aru->udev->dev);
+
+ if (ret < 0)
+ return ret;
+
+ ar9170_usb_firmware_step2(fw, aru);
+ return 0;
+#else
return request_firmware_nowait(THIS_MODULE, 1,
ar9170_fws[aru->fw_load].files[aru->fw_files].name,
&aru->udev->dev, GFP_KERNEL, aru, ar9170_usb_firmware_step2);
+#endif
}
static void ar9170_usb_disconnect(struct usb_interface *intf)

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@ -0,0 +1,93 @@
--- a/drivers/net/wireless/ath/carl9170/fw.c
+++ b/drivers/net/wireless/ath/carl9170/fw.c
@@ -39,7 +39,7 @@ const void *ar9170_fw_find_desc(struct a
for_each_hdr(iter, ar->fw_desc) {
if (!memcmp(iter->magic, descid, sizeof(*descid)) &&
!CHECK_HDR_VERSION(iter, compatible_revision) &&
- (iter->length >= len)) {
+ (le16_to_cpu(iter->length) >= len)) {
ret = (void *)iter;
break;
}
@@ -63,20 +63,22 @@ static int ar9170_fw_verify_descs(struct
end = (void *) head + max_len;
while (pos < end) {
- if (((unsigned long)pos + pos->length) > (unsigned long)end)
+ int pos_length = le16_to_cpu(pos->length);
+
+ if (((unsigned long)pos + pos_length) > (unsigned long)end)
return -EMSGSIZE;
- if (pos->length > max_len)
+ if (pos_length > max_len)
return -EMSGSIZE;
- if (pos->length < sizeof(struct carl9170_fw_desc_head))
+ if (pos_length < sizeof(struct carl9170_fw_desc_head))
return -EINVAL;
if (!memcmp(pos->magic, last_magic, sizeof(last_magic)))
return 0;
- pos = (void *)((unsigned long)pos + pos->length);
- max_len -= pos->length;
+ pos = (void *)((unsigned long)pos + pos_length);
+ max_len -= le16_to_cpu(pos->length);
}
return -EINVAL;
@@ -139,7 +141,7 @@ static int ar9170_fw_check(struct ar9170
if (SUPP(CARL9170_FW_CRC32_CHECKSUM_TAIL)) {
__le32 crc32;
- crc32 = crc32_le(~0, data, len - 4);
+ crc32 = cpu_to_le32(crc32_le(~0, data, len - 4));
if (!memcmp(&crc32, &data[len - 4], 4) == 0) {
dev_err(ar->pdev, "CRC32 checksum mismatch!\n");
return -EINVAL;
--- a/drivers/net/wireless/ath/carl9170/fwhdr.h
+++ b/drivers/net/wireless/ath/carl9170/fwhdr.h
@@ -196,7 +196,7 @@ struct carl9170_fw_last_desc_v1 {
#define for_each_hdr(desc, fw_desc) \
for (desc = fw_desc; \
(memcmp(desc->magic, LAST_MAGIC, 4) && desc->length); \
- desc = (void *)((unsigned long)desc + desc->length))
+ desc = (void *)((unsigned long)desc + le16_to_cpu(desc->length)))
#define CHECK_HDR_VERSION(head, _min_ver) \
(((head)->cur_ver < _min_ver) || ((head)->min_ver > _min_ver)) \
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -640,9 +640,10 @@ static int ar9170_usb_check_firmware(str
}
if ((usb_desc->tx_descs < 16) ||
- (usb_desc->tx_frag_len < 64) || (usb_desc->tx_frag_len > 512) ||
- (usb_desc->rx_max_frame_len < 1024) ||
- (usb_desc->rx_max_frame_len > AR9170_MAX_RX_BUFFER_SIZE)) {
+ (le16_to_cpu(usb_desc->tx_frag_len) < 64) ||
+ (le16_to_cpu(usb_desc->tx_frag_len) > 512) ||
+ (le16_to_cpu(usb_desc->rx_max_frame_len) < 1024) ||
+ (le16_to_cpu(usb_desc->rx_max_frame_len) > AR9170_MAX_RX_BUFFER_SIZE)) {
dev_err(&aru->udev->dev, "usb firmware has obvious signs of "
"malicious tampering.\n");
err = -EINVAL;
@@ -650,14 +651,14 @@ static int ar9170_usb_check_firmware(str
}
if (SUPP(CARL9170_FW_USB_MINIBOOT))
- aru->fw_offset = usb_desc->miniboot_size;
+ aru->fw_offset = le16_to_cpu(usb_desc->miniboot_size);
else
aru->fw_offset = 0;
- aru->rx_size = usb_desc->rx_max_frame_len;
+ aru->rx_size = le16_to_cpu(usb_desc->rx_max_frame_len);
aru->common.mem_blocks = usb_desc->tx_descs;
atomic_set(&aru->common.mem_free_blocks, usb_desc->tx_descs);
- aru->common.mem_block_size = usb_desc->tx_frag_len;
+ aru->common.mem_block_size = le16_to_cpu(usb_desc->tx_frag_len);
return 0;
fail: