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-rw-r--r--package/kernel/mac80211/Makefile8
-rw-r--r--package/kernel/mac80211/ath.mk14
-rw-r--r--package/kernel/mac80211/patches/ath10k/990-ath10k-small-buffers.patch64
3 files changed, 82 insertions, 4 deletions
diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index 251f2f8f8b..2f9fd11f10 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -419,9 +419,15 @@ config-$(call config_package,rsi91x-sdio) += RSI_SDIO
config-$(CONFIG_LEDS_TRIGGERS) += MAC80211_LEDS
+C_DEFINES=
+
+ifeq ($(BUILD_VARIANT),smallbuffers)
+ C_DEFINES+= -DCONFIG_ATH10K_SMALLBUFFERS
+endif
+
MAKE_OPTS:= -C "$(PKG_BUILD_DIR)" \
$(KERNEL_MAKE_FLAGS) \
- EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/include $(IREMAP_CFLAGS)" \
+ EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/include $(IREMAP_CFLAGS) $(C_DEFINES)" \
KLIB_BUILD="$(LINUX_DIR)" \
MODPROBE=true \
KLIB=$(TARGET_MODULES_DIR) \
diff --git a/package/kernel/mac80211/ath.mk b/package/kernel/mac80211/ath.mk
index ba03ae11a6..50b1eed9c8 100644
--- a/package/kernel/mac80211/ath.mk
+++ b/package/kernel/mac80211/ath.mk
@@ -1,5 +1,5 @@
PKG_DRIVERS += \
- ath ath5k ath6kl ath6kl-sdio ath6kl-usb ath9k ath9k-common ath9k-htc ath10k \
+ ath ath5k ath6kl ath6kl-sdio ath6kl-usb ath9k ath9k-common ath9k-htc ath10k ath10k-smallbuffers \
carl9170 owl-loader ar5523 wil6210
PKG_CONFIG_DEPENDS += \
@@ -55,6 +55,7 @@ config-$(CONFIG_ATH10K_THERMAL) += ATH10K_THERMAL
config-$(call config_package,ath9k-htc) += ATH9K_HTC
config-$(call config_package,ath10k) += ATH10K ATH10K_PCI
+config-$(call config_package,ath10k-smallbuffers) += ATH10K ATH10K_PCI ATH10K_SMALLBUFFERS
config-$(call config_package,ath5k) += ATH5K
ifdef CONFIG_TARGET_ath25
@@ -260,6 +261,7 @@ define KernelPackage/ath10k
$(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath10k/ath10k_core.ko \
$(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath10k/ath10k_pci.ko
AUTOLOAD:=$(call AutoProbe,ath10k_pci)
+ VARIANT:=regular
endef
define KernelPackage/ath10k/description
@@ -273,14 +275,20 @@ define KernelPackage/ath10k/config
config ATH10K_LEDS
bool "Enable LED support"
default y
- depends on PACKAGE_kmod-ath10k
+ depends on PACKAGE_kmod-ath10k || PACKAGE_kmod-ath10k-smallbuffers
config ATH10K_THERMAL
bool "Enable thermal sensors and throttling support"
- depends on PACKAGE_kmod-ath10k
+ depends on PACKAGE_kmod-ath10k || PACKAGE_kmod-ath10k-smallbuffers
endef
+define KernelPackage/ath10k-smallbuffers
+ $(call KernelPackage/ath10k)
+ TITLE+= (small buffers for low-RAM devices)
+ VARIANT:=smallbuffers
+endef
+
define KernelPackage/carl9170
$(call KernelPackage/mac80211/Default)
TITLE:=Driver for Atheros AR9170 USB sticks
diff --git a/package/kernel/mac80211/patches/ath10k/990-ath10k-small-buffers.patch b/package/kernel/mac80211/patches/ath10k/990-ath10k-small-buffers.patch
new file mode 100644
index 0000000000..2f560c70a0
--- /dev/null
+++ b/package/kernel/mac80211/patches/ath10k/990-ath10k-small-buffers.patch
@@ -0,0 +1,64 @@
+--- a/drivers/net/wireless/ath/ath10k/htt.h
++++ b/drivers/net/wireless/ath/ath10k/htt.h
+@@ -235,7 +235,11 @@ enum htt_rx_ring_flags {
+ };
+
+ #define HTT_RX_RING_SIZE_MIN 128
++#ifndef CONFIG_ATH10K_SMALLBUFFERS
+ #define HTT_RX_RING_SIZE_MAX 2048
++#else
++#define HTT_RX_RING_SIZE_MAX 512
++#endif
+ #define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX
+ #define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1)
+ #define HTT_RX_RING_FILL_LEVEL_DUAL_MAC (HTT_RX_RING_SIZE - 1)
+--- a/drivers/net/wireless/ath/ath10k/pci.c
++++ b/drivers/net/wireless/ath/ath10k/pci.c
+@@ -131,7 +131,11 @@ static const struct ce_attr pci_host_ce_
+ .flags = CE_ATTR_FLAGS,
+ .src_nentries = 0,
+ .src_sz_max = 2048,
++#ifndef CONFIG_ATH10K_SMALLBUFFERS
+ .dest_nentries = 512,
++#else
++ .dest_nentries = 128,
++#endif
+ .recv_cb = ath10k_pci_htt_htc_rx_cb,
+ },
+
+@@ -140,7 +144,11 @@ static const struct ce_attr pci_host_ce_
+ .flags = CE_ATTR_FLAGS,
+ .src_nentries = 0,
+ .src_sz_max = 2048,
++#ifndef CONFIG_ATH10K_SMALLBUFFERS
+ .dest_nentries = 128,
++#else
++ .dest_nentries = 64,
++#endif
+ .recv_cb = ath10k_pci_htc_rx_cb,
+ },
+
+@@ -167,7 +175,11 @@ static const struct ce_attr pci_host_ce_
+ .flags = CE_ATTR_FLAGS,
+ .src_nentries = 0,
+ .src_sz_max = 512,
++#ifndef CONFIG_ATH10K_SMALLBUFFERS
+ .dest_nentries = 512,
++#else
++ .dest_nentries = 128,
++#endif
+ .recv_cb = ath10k_pci_htt_rx_cb,
+ },
+
+@@ -192,7 +204,11 @@ static const struct ce_attr pci_host_ce_
+ .flags = CE_ATTR_FLAGS,
+ .src_nentries = 0,
+ .src_sz_max = 2048,
++#ifndef CONFIG_ATH10K_SMALLBUFFERS
+ .dest_nentries = 128,
++#else
++ .dest_nentries = 96,
++#endif
+ .recv_cb = ath10k_pci_pktlog_rx_cb,
+ },
+