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https://github.com/qosmio/nss-packages.git
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wwan: quectel_QMI: Bump 1.3.6 to 1.3.8
Also cleanup Makefile logic to minimal set Signed-off-by: Sean Khan <datapronix@protonmail.com>
This commit is contained in:
Sean Khan
parent
537a0d3adf
commit
c571de5a8e
@ -1,15 +1,8 @@
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#
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# Copyright (C) 2015 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=pcie_mhi
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PKG_VERSION:=1.3.6
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PKG_RELEASE:=2
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PKG_VERSION:=1.3.8
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/kernel.mk
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include $(INCLUDE_DIR)/package.mk
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@ -18,10 +11,10 @@ PKG_BUILD_PARALLEL:=1
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PKG_BUILD_FLAGS:=gc-sections lto
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define KernelPackage/pcie_mhi
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SUBMENU:=WWAN Support
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TITLE:=Kernel pcie driver for MHI device
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SUBMENU:=Network Devices
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TITLE:=Kernel PCIe driver for MHI device
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DEPENDS:=@(TARGET_qualcommax_ipq807x||TARGET_qualcommax_ipq50xx) \
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+pciids +pciutils +quectel-cm +kmod-qmi_wwan_q
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+pciids +pciutils +quectel-cm
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FILES:=$(PKG_BUILD_DIR)/pcie_mhi.ko
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AUTOLOAD:=$(call AutoLoad,90,pcie_mhi)
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endef
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@ -36,18 +29,8 @@ EXTRA_CFLAGS+= \
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-Wno-missing-prototypes \
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-Wno-missing-declarations
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MAKE_OPTS:= \
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ARCH="$(LINUX_KARCH)" \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
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CXXFLAGS="$(TARGET_CXXFLAGS)" \
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M="$(PKG_BUILD_DIR)" \
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$(EXTRA_KCONFIG)
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define Build/Compile
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+$(MAKE) -C "$(LINUX_DIR)" $(strip $(MAKE_OPTS)) \
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$(KERNEL_MAKE_FLAGS) \
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$(PKG_JOBS) \
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+$(KERNEL_MAKE) EXTRA_CFLAGS="$(EXTRA_CFLAGS)" M="$(PKG_BUILD_DIR)" \
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modules
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endef
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@ -1,103 +1,132 @@
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Release Notes
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[V1.3.4]
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Date: 12/8/2022
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enhancement:
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1. only allow to enable autosuspend when module is in MHI_EE_AMSS
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2. show pcie link speed and width when driver probe
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3. check pcie link status by read pcie vid and pid when driver probe,
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if pcie link is down, return -EIO
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4. support RM520 (1eac:1004)
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5. support qmap command packet
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fix:
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1. fix tx queue is wrong stop when do uplink TPUT
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2. fix after QFirehose, module fail to bootup at very small probability
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3. mhi uci add mutex lock for concurrent reads/writes
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[V1.3.3]
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Date: 30/6/2022
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enhancement:
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1. remove one un-necessary kmalloc when do qfirehose
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2. support mhi monitor (like usbmon), usage: cat /sys/kernel/debug/mhi_q/0306_00\:01.00/mhimon
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3. set ring size of event 0 to 256 (from 1024), required by x6x
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4. support PCIE local network card mhi_swip0 (chan 46/47), default disabled
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5. porting IPQ5018 mhi rate controll code from spf11.5
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6. set pcie rmnet download max qmap packet size to 15KB (same to IPQ MHI Driver)
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7. support set different mac address for rmnet net card
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8. when mhi netdev fail to malloc, use delay_work instead work
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9. optimize code for 'when driver load, modem is still in MHI_EE_PTHRU'
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fix:
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1. Fix not synchronize access rp/wp when mhi_queue_xxx and mhi_process_xxx_ring run on different CPU
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2. set dma mask when driver probe, some SOC like rpi_4 need it
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[V1.3.2]
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Date: 12/16/2021
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enhancement:
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1. support Linux Kernel V5.14
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2. mhi_netdev_quectel.c do not print log in softirq context
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[V1.3.1]
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Date: 9/26/2021
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enhancement:
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fix:
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[V1.3.0.19]
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Date: 9/18/2021
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enhancement:
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1. support sdx62 (17cb:0308)
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2. support IPQ5018's NSS
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3. use 'qsdk/qca/src/data-kernel/drivers/rmnet-nss/rmnet_nss.c' instead myself rmnet_nss.c
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and pcie_mhi.ko must load after then rmnet_nss.ko
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4. allow bhi irq is not 0 (for ipq5018)
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fix:
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[V1.3.0.18]
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Date: 4/14/2021
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enhancement:
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1. support mbim multiple call, usage:
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# insmod pcie_mhi.ko mhi_mbim_enabeld=1 qmap_mode=4
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# quectel-mbim-proxy -d /dev/mhi_MBIM &
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# quectel-CM -n X
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fix:
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[V1.3.0.17]
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Date: 3/11/2021
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enhancement:
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fix:
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1. fix CPU loading very high when TPUT test when only one MSI interrupt
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2. fix error on latest X24 modem
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[V1.3.0.16]
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Date: 11/18/2020
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enhancement:
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fix:
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1. add ring size to 32, for in-bound chan, if one ring is full, modem will not generate MSI interrupt for all chan
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[V1.3.0.15]
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Date: 10/30/2020
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enhancement:
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1. support multi-modems, named as /dev/mhi_<chan_name>X
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fix:
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1. fix compile error on kernel v5.8
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[V1.3.0.14]
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Date: 10/9/2020
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enhancement:
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1. suppport EM120&EM160
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fix:
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1. fix compile error on kernel v5.6
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2. support runtime suspend
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[V1.3.0.13]
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Date: 9/7/2020
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enhancement:
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1. suppport EM120&EM160
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fix:
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1. fix error on X55 + PCIE2.0(e.g IPQ4019)
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2. support runtime suspend
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[V1.3.0.12]
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Date: 7/7/2020
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enhancement:
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1. suppport create only none netcard (enabled by marco MHI_NETDEV_ONE_CARD_MODE),
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fix:
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Release Notes
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[V1.3.8]
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Date: 27/06/2024
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enhancement:
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1. support SDX7x's PID/VID
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Release Notes
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[V1.3.7]
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Date: 27/03/2024
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enhancement:
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1. support SDX35's PID/VID
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2. support IPQ QSDK MHI used with rmnetdata driver
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Release Notes
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[V1.3.6]
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Date: 01/08/2023
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enhancement:
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1. support Linux Kernel V6.4
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2. support change mtu
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fix:
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1. fix compile error on ipq's spf12.x
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Release Notes
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[V1.3.5]
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Date: 25/02/2023
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enhancement:
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1. support efuse SDX sleep
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2. support IPQ9574 SFE
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fix:
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1. fix cannot find the node when dialing. Nodes in the /sys/bus/mhi_q/devices directory named hex
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[V1.3.4]
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Date: 12/8/2022
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enhancement:
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1. only allow to enable autosuspend when module is in MHI_EE_AMSS
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2. show pcie link speed and width when driver probe
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3. check pcie link status by read pcie vid and pid when driver probe,
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if pcie link is down, return -EIO
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4. support RM520 (1eac:1004)
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5. support qmap command packet
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fix:
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1. fix tx queue is wrong stop when do uplink TPUT
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2. fix after QFirehose, module fail to bootup at very small probability
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3. mhi uci add mutex lock for concurrent reads/writes
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[V1.3.3]
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Date: 30/6/2022
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enhancement:
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1. remove one un-necessary kmalloc when do qfirehose
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2. support mhi monitor (like usbmon), usage: cat /sys/kernel/debug/mhi_q/0306_00\:01.00/mhimon
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3. set ring size of event 0 to 256 (from 1024), required by x6x
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4. support PCIE local network card mhi_swip0 (chan 46/47), default disabled
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5. porting IPQ5018 mhi rate controll code from spf11.5
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6. set pcie rmnet download max qmap packet size to 15KB (same to IPQ MHI Driver)
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7. support set different mac address for rmnet net card
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8. when mhi netdev fail to malloc, use delay_work instead work
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9. optimize code for 'when driver load, modem is still in MHI_EE_PTHRU'
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fix:
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1. Fix not synchronize access rp/wp when mhi_queue_xxx and mhi_process_xxx_ring run on different CPU
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2. set dma mask when driver probe, some SOC like rpi_4 need it
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[V1.3.2]
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Date: 12/16/2021
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enhancement:
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1. support Linux Kernel V5.14
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2. mhi_netdev_quectel.c do not print log in softirq context
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[V1.3.1]
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Date: 9/26/2021
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enhancement:
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fix:
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[V1.3.0.19]
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Date: 9/18/2021
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enhancement:
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1. support sdx62 (17cb:0308)
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2. support IPQ5018's NSS
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3. use 'qsdk/qca/src/data-kernel/drivers/rmnet-nss/rmnet_nss.c' instead myself rmnet_nss.c
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and pcie_mhi.ko must load after then rmnet_nss.ko
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4. allow bhi irq is not 0 (for ipq5018)
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fix:
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[V1.3.0.18]
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Date: 4/14/2021
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enhancement:
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1. support mbim multiple call, usage:
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# insmod pcie_mhi.ko mhi_mbim_enabeld=1 qmap_mode=4
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# quectel-mbim-proxy -d /dev/mhi_MBIM &
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# quectel-CM -n X
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fix:
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[V1.3.0.17]
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Date: 3/11/2021
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enhancement:
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fix:
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1. fix CPU loading very high when TPUT test when only one MSI interrupt
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2. fix error on latest X24 modem
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[V1.3.0.16]
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Date: 11/18/2020
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enhancement:
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fix:
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1. add ring size to 32, for in-bound chan, if one ring is full, modem will not generate MSI interrupt for all chan
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[V1.3.0.15]
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Date: 10/30/2020
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enhancement:
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1. support multi-modems, named as /dev/mhi_<chan_name>X
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fix:
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1. fix compile error on kernel v5.8
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[V1.3.0.14]
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Date: 10/9/2020
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enhancement:
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1. suppport EM120&EM160
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fix:
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1. fix compile error on kernel v5.6
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2. support runtime suspend
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[V1.3.0.13]
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Date: 9/7/2020
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enhancement:
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1. suppport EM120&EM160
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fix:
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1. fix error on X55 + PCIE2.0(e.g IPQ4019)
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2. support runtime suspend
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[V1.3.0.12]
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Date: 7/7/2020
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enhancement:
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1. suppport create only none netcard (enabled by marco MHI_NETDEV_ONE_CARD_MODE),
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fix:
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@ -1066,9 +1066,12 @@ static struct pci_device_id mhi_pcie_device_id[] = {
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{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0305)}, //SDX24
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{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0306)}, //SDX55
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{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0308)}, //SDX62
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{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x011a)}, //SDX35
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{PCI_DEVICE(MHI_PCIE_VENDOR_ID, 0x0309)}, //SDX7X
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{PCI_DEVICE(0x1eac, 0x1001)}, //EM120
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{PCI_DEVICE(0x1eac, 0x1002)}, //EM160
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{PCI_DEVICE(0x1eac, 0x1004)}, //RM520
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{PCI_DEVICE(0x1eac, 0x100b)}, //RM255
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{PCI_DEVICE(MHI_PCIE_VENDOR_ID, MHI_PCIE_DEBUG_ID)},
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{0},
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};
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@ -4,7 +4,7 @@
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#ifndef _MHI_H_
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#define _MHI_H_
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#define PCIE_MHI_DRIVER_VERSION "V1.3.6"
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#define PCIE_MHI_DRIVER_VERSION "V1.3.8"
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#define ENABLE_MHI_MON
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//#define ENABLE_IP_SW0
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@ -1642,7 +1642,7 @@ static int of_parse_ev_cfg(struct mhi_controller *mhi_cntrl,
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root@OpenWrt:/# cat /proc/interrupts | grep mhi
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root@OpenWrt:/# cat /sys/kernel/debug/mhi_q/mhi_netdev/pcie_mhi_0306_00.01.00_0/rx_int
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*/
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if (i == IPA_IN_EVENT_RING)
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if (i == IPA_IN_EVENT_RING || i == IPA_OUT_EVENT_RING)
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mhi_event->intmod = 5;
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#ifdef ENABLE_IP_SW0
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@ -1828,6 +1828,7 @@ static struct chan_cfg_t chan_cfg[] = {
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};
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extern int mhi_netdev_mbin_enabled(void);
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extern int mhi_netdev_use_xfer_type_dma(unsigned chan);
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static int of_parse_ch_cfg(struct mhi_controller *mhi_cntrl,
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struct device_node *of_node)
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{
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@ -1942,7 +1943,9 @@ static int of_parse_ch_cfg(struct mhi_controller *mhi_cntrl,
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if (chan == MHI_CLIENT_IP_HW_0_OUT || chan == MHI_CLIENT_IP_SW_0_OUT)
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mhi_chan->xfer_type = MHI_XFER_SKB;
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else if (chan == MHI_CLIENT_IP_HW_0_IN || chan == MHI_CLIENT_IP_SW_0_IN)
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else if (chan == MHI_CLIENT_IP_HW_0_IN)
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mhi_chan->xfer_type = mhi_netdev_use_xfer_type_dma(chan) ? MHI_XFER_DMA: MHI_XFER_SKB;
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else if (chan == MHI_CLIENT_IP_SW_0_IN)
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mhi_chan->xfer_type = MHI_XFER_SKB; //MHI_XFER_DMA;
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#ifdef ENABLE_ADPL
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else if (chan == MHI_CLIENT_ADPL)
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@ -31,6 +31,8 @@
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#include <net/tcp.h>
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#include <linux/usb/cdc.h>
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#include <rmnet_nss.h>
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//#define CONFIG_IPQ5018_RATE_CONTROL //Only used with spf11.5 for IPQ5018
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#if defined(CONFIG_IPQ5018_RATE_CONTROL)
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//#include <linux/jiffies.h>
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@ -45,11 +47,6 @@
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#define ETH_P_MAP 0xDA1A
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#endif
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#if (ETH_P_MAP == 0x00F9)
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#undef ETH_P_MAP
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#define ETH_P_MAP 0xDA1A
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#endif
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#ifndef ARPHRD_RAWIP
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#define ARPHRD_RAWIP ARPHRD_NONE
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#endif
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@ -62,16 +59,12 @@ static bool netdev_is_rx_handler_busy(struct net_device *dev)
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}
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#endif
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struct rmnet_nss_cb {
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int (*nss_create)(struct net_device *dev);
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int (*nss_free)(struct net_device *dev);
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int (*nss_tx)(struct sk_buff *skb);
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};
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static struct rmnet_nss_cb __read_mostly *nss_cb = NULL;
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#if defined(CONFIG_PINCTRL_IPQ807x) || defined(CONFIG_PINCTRL_IPQ5018) || defined(CONFIG_PINCTRL_IPQ8074)
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//#ifdef CONFIG_RMNET_DATA //spf12.x have no macro defined, just for spf11.x
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#define CONFIG_QCA_NSS_DRV
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/* define at qsdk/qca/src/linux-4.4/net/rmnet_data/rmnet_data_main.c */ //for spf11.x
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#define CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
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/* define at qca/src/linux-4.4/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c */ //for spf11.x
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/* define at qsdk/qca/src/datarmnet/core/rmnet_config.c */ //for spf12.x
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/* set at qsdk/qca/src/data-kernel/drivers/rmnet-nss/rmnet_nss.c */
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/* need add DEPENDS:= kmod-rmnet-core in feeds/makefile */
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@ -79,6 +72,17 @@ extern struct rmnet_nss_cb *rmnet_nss_callbacks __rcu __read_mostly;
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//#endif
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#endif
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int mhi_netdev_use_xfer_type_dma(unsigned chan)
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{
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(void)chan;
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#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
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return 1;
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#endif
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return 0;
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}
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static const unsigned char node_id[ETH_ALEN] = {0x02, 0x50, 0xf4, 0x00, 0x00, 0x00};
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static const unsigned char default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3, 0x00, 0x00, 0x00};
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@ -199,6 +203,8 @@ static void qmap_hex_dump(const char *tag, unsigned char *data, unsigned len) {
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}
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#endif
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#define MBIM_MUX_ID_SDX7X 112 //sdx7x is 112-126, others is 0-14
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static uint __read_mostly mhi_mbim_enabled = 0;
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module_param(mhi_mbim_enabled, uint, S_IRUGO);
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int mhi_netdev_mbin_enabled(void) { return mhi_mbim_enabled; }
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@ -295,6 +301,22 @@ enum mhi_net_type {
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MHI_NET_ETHER
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};
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|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
/* Try not to make this structure bigger than 128 bytes, since this take space
|
||||
* in payload packet.
|
||||
* Example: If MRU = 16K, effective MRU = 16K - sizeof(mhi_netbuf)
|
||||
*/
|
||||
struct mhi_netbuf {
|
||||
struct mhi_buf mhi_buf; /* this must be first element */
|
||||
void (*unmap)(struct device *dev, dma_addr_t addr, size_t size,
|
||||
enum dma_data_direction dir);
|
||||
};
|
||||
|
||||
struct mhi_net_chain {
|
||||
struct sk_buff *head, *tail; /* chained skb */
|
||||
};
|
||||
#endif
|
||||
|
||||
//#define TS_DEBUG
|
||||
struct mhi_netdev {
|
||||
int alias;
|
||||
@ -318,6 +340,7 @@ struct mhi_netdev {
|
||||
#endif
|
||||
|
||||
MHI_MBIM_CTX mbim_ctx;
|
||||
u32 mbim_mux_id;
|
||||
|
||||
u32 mru;
|
||||
u32 max_mtu;
|
||||
@ -328,6 +351,14 @@ struct mhi_netdev {
|
||||
struct sk_buff *frag_skb;
|
||||
bool recycle_buf;
|
||||
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
u32 order;
|
||||
struct mhi_netbuf **netbuf_pool;
|
||||
int pool_size; /* must be power of 2 */
|
||||
int current_index;
|
||||
struct mhi_net_chain chain;
|
||||
#endif
|
||||
|
||||
#if defined(MHI_NETDEV_STATUS64)
|
||||
struct pcpu_sw_netstats __percpu *stats64;
|
||||
#endif
|
||||
@ -621,7 +652,7 @@ static struct sk_buff * add_mbim_hdr(struct sk_buff *skb, u8 mux_id) {
|
||||
struct mhi_mbim_hdr *mhdr;
|
||||
__le32 sign;
|
||||
u8 *c;
|
||||
u16 tci = mux_id - QUECTEL_QMAP_MUX_ID;
|
||||
u16 tci = mux_id;
|
||||
unsigned int skb_len = skb->len;
|
||||
|
||||
if (qmap_mode > 1)
|
||||
@ -1274,12 +1305,12 @@ static void rmnet_mbim_rx_handler(void *dev, struct sk_buff *skb_in)
|
||||
goto error;
|
||||
}
|
||||
|
||||
if ((qmap_mode == 1 && tci != 0) || (qmap_mode > 1 && tci > qmap_mode)) {
|
||||
if ((qmap_mode == 1 && tci != mhi_netdev->mbim_mux_id) || (qmap_mode > 1 && (tci - mhi_netdev->mbim_mux_id) > qmap_mode)){
|
||||
MSG_ERR("unsupported tci %d by now\n", tci);
|
||||
goto error;
|
||||
}
|
||||
tci = abs(tci);
|
||||
qmap_net = pQmapDev->mpQmapNetDev[qmap_mode == 1 ? 0 : tci - 1];
|
||||
qmap_net = pQmapDev->mpQmapNetDev[qmap_mode == 1 ? 0 : tci - 1 - mhi_netdev->mbim_mux_id];
|
||||
|
||||
dpe16 = ndp16->dpe16;
|
||||
|
||||
@ -1963,6 +1994,253 @@ static void mhi_netdev_dealloc(struct mhi_netdev *mhi_netdev)
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
static struct mhi_netbuf *mhi_netdev_alloc(struct device *dev,
|
||||
gfp_t gfp,
|
||||
unsigned int order)
|
||||
{
|
||||
struct page *page;
|
||||
struct mhi_netbuf *netbuf;
|
||||
struct mhi_buf *mhi_buf;
|
||||
void *vaddr;
|
||||
|
||||
page = __dev_alloc_pages(gfp, order);
|
||||
if (!page)
|
||||
return NULL;
|
||||
|
||||
vaddr = page_address(page);
|
||||
|
||||
/* we going to use the end of page to store cached data */
|
||||
netbuf = vaddr + (PAGE_SIZE << order) - sizeof(*netbuf);
|
||||
|
||||
mhi_buf = (struct mhi_buf *)netbuf;
|
||||
mhi_buf->page = page;
|
||||
mhi_buf->buf = vaddr;
|
||||
mhi_buf->len = (void *)netbuf - vaddr;
|
||||
mhi_buf->dma_addr = dma_map_page(dev, page, 0, mhi_buf->len,
|
||||
DMA_FROM_DEVICE);
|
||||
if (dma_mapping_error(dev, mhi_buf->dma_addr)) {
|
||||
__free_pages(mhi_buf->page, order);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return netbuf;
|
||||
}
|
||||
|
||||
static void mhi_netdev_unmap_page(struct device *dev,
|
||||
dma_addr_t dma_addr,
|
||||
size_t len,
|
||||
enum dma_data_direction dir)
|
||||
{
|
||||
dma_unmap_page(dev, dma_addr, len, dir);
|
||||
}
|
||||
|
||||
static int mhi_netdev_tmp_alloc(struct mhi_netdev *mhi_netdev, int nr_tre)
|
||||
{
|
||||
struct mhi_device *mhi_dev = mhi_netdev->mhi_dev;
|
||||
struct device *dev = mhi_dev->dev.parent;
|
||||
const u32 order = mhi_netdev->order;
|
||||
int i, ret;
|
||||
|
||||
for (i = 0; i < nr_tre; i++) {
|
||||
struct mhi_buf *mhi_buf;
|
||||
struct mhi_netbuf *netbuf = mhi_netdev_alloc(dev, GFP_ATOMIC,
|
||||
order);
|
||||
if (!netbuf)
|
||||
return -ENOMEM;
|
||||
|
||||
mhi_buf = (struct mhi_buf *)netbuf;
|
||||
netbuf->unmap = mhi_netdev_unmap_page;
|
||||
|
||||
ret = mhi_queue_transfer(mhi_dev, DMA_FROM_DEVICE, mhi_buf,
|
||||
mhi_buf->len, MHI_EOT);
|
||||
if (unlikely(ret)) {
|
||||
MSG_ERR("Failed to queue transfer, ret:%d\n", ret);
|
||||
mhi_netdev_unmap_page(dev, mhi_buf->dma_addr,
|
||||
mhi_buf->len, DMA_FROM_DEVICE);
|
||||
__free_pages(mhi_buf->page, order);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mhi_netdev_queue(struct mhi_netdev *mhi_netdev)
|
||||
{
|
||||
struct mhi_device *mhi_dev = mhi_netdev->mhi_dev;
|
||||
struct device *dev = mhi_dev->dev.parent;
|
||||
struct mhi_netbuf *netbuf;
|
||||
struct mhi_buf *mhi_buf;
|
||||
struct mhi_netbuf **netbuf_pool = mhi_netdev->netbuf_pool;
|
||||
int nr_tre = mhi_get_no_free_descriptors(mhi_dev, DMA_FROM_DEVICE);
|
||||
int i, peak, cur_index, ret;
|
||||
const int pool_size = mhi_netdev->pool_size - 1, max_peak = 4;
|
||||
|
||||
MSG_VERB("Enter free_desc:%d\n", nr_tre);
|
||||
|
||||
if (!nr_tre)
|
||||
return;
|
||||
|
||||
/* try going thru reclaim pool first */
|
||||
for (i = 0; i < nr_tre; i++) {
|
||||
/* peak for the next buffer, we going to peak several times,
|
||||
* and we going to give up if buffers are not yet free
|
||||
*/
|
||||
cur_index = mhi_netdev->current_index;
|
||||
netbuf = NULL;
|
||||
for (peak = 0; peak < max_peak; peak++) {
|
||||
struct mhi_netbuf *tmp = netbuf_pool[cur_index];
|
||||
|
||||
mhi_buf = &tmp->mhi_buf;
|
||||
|
||||
cur_index = (cur_index + 1) & pool_size;
|
||||
|
||||
/* page == 1 idle, buffer is free to reclaim */
|
||||
#if (LINUX_VERSION_CODE < KERNEL_VERSION( 5,4,0 ))
|
||||
if (atomic_read(&mhi_buf->page->_count) == 1)
|
||||
#else
|
||||
if (atomic_read(&mhi_buf->page->_refcount) == 1)
|
||||
#endif
|
||||
{
|
||||
netbuf = tmp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* could not find a free buffer */
|
||||
if (!netbuf)
|
||||
break;
|
||||
|
||||
/* increment reference count so when network stack is done
|
||||
* with buffer, the buffer won't be freed
|
||||
*/
|
||||
#if (LINUX_VERSION_CODE < KERNEL_VERSION( 5,4,0 ))
|
||||
atomic_inc(&mhi_buf->page->_count);
|
||||
#else
|
||||
atomic_inc(&mhi_buf->page->_refcount);
|
||||
#endif
|
||||
dma_sync_single_for_device(dev, mhi_buf->dma_addr, mhi_buf->len,
|
||||
DMA_FROM_DEVICE);
|
||||
ret = mhi_queue_transfer(mhi_dev, DMA_FROM_DEVICE, mhi_buf,
|
||||
mhi_buf->len, MHI_EOT);
|
||||
if (unlikely(ret)) {
|
||||
MSG_ERR("Failed to queue buffer, ret:%d\n", ret);
|
||||
netbuf->unmap(dev, mhi_buf->dma_addr, mhi_buf->len,
|
||||
DMA_FROM_DEVICE);
|
||||
#if (LINUX_VERSION_CODE < KERNEL_VERSION( 5,4,0 ))
|
||||
atomic_dec(&mhi_buf->page->_count);
|
||||
#else
|
||||
atomic_dec(&mhi_buf->page->_refcount);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
mhi_netdev->current_index = cur_index;
|
||||
}
|
||||
|
||||
/* recyling did not work, buffers are still busy allocate temp pkts */
|
||||
if (i < nr_tre)
|
||||
mhi_netdev_tmp_alloc(mhi_netdev, nr_tre - i);
|
||||
}
|
||||
|
||||
/* allocating pool of memory */
|
||||
static int mhi_netdev_alloc_pool(struct mhi_netdev *mhi_netdev)
|
||||
{
|
||||
int i;
|
||||
struct mhi_netbuf *netbuf, **netbuf_pool;
|
||||
struct mhi_buf *mhi_buf;
|
||||
const u32 order = mhi_netdev->order;
|
||||
struct device *dev = mhi_netdev->mhi_dev->dev.parent;
|
||||
|
||||
netbuf_pool = kmalloc_array(mhi_netdev->pool_size, sizeof(*netbuf_pool),
|
||||
GFP_KERNEL);
|
||||
if (!netbuf_pool)
|
||||
return -ENOMEM;
|
||||
|
||||
for (i = 0; i < mhi_netdev->pool_size; i++) {
|
||||
/* allocate paged data */
|
||||
netbuf = mhi_netdev_alloc(dev, GFP_KERNEL, order);
|
||||
if (!netbuf)
|
||||
goto error_alloc_page;
|
||||
|
||||
netbuf->unmap = dma_sync_single_for_cpu;
|
||||
netbuf_pool[i] = netbuf;
|
||||
}
|
||||
|
||||
mhi_netdev->netbuf_pool = netbuf_pool;
|
||||
|
||||
return 0;
|
||||
|
||||
error_alloc_page:
|
||||
for (--i; i >= 0; i--) {
|
||||
netbuf = netbuf_pool[i];
|
||||
mhi_buf = &netbuf->mhi_buf;
|
||||
dma_unmap_page(dev, mhi_buf->dma_addr, mhi_buf->len,
|
||||
DMA_FROM_DEVICE);
|
||||
__free_pages(mhi_buf->page, order);
|
||||
}
|
||||
|
||||
kfree(netbuf_pool);
|
||||
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static void mhi_netdev_free_pool(struct mhi_netdev *mhi_netdev)
|
||||
{
|
||||
int i;
|
||||
struct mhi_netbuf *netbuf, **netbuf_pool = mhi_netdev->netbuf_pool;
|
||||
struct device *dev = mhi_netdev->mhi_dev->dev.parent;
|
||||
struct mhi_buf *mhi_buf;
|
||||
|
||||
for (i = 0; i < mhi_netdev->pool_size; i++) {
|
||||
netbuf = netbuf_pool[i];
|
||||
mhi_buf = &netbuf->mhi_buf;
|
||||
dma_unmap_page(dev, mhi_buf->dma_addr, mhi_buf->len,
|
||||
DMA_FROM_DEVICE);
|
||||
__free_pages(mhi_buf->page, mhi_netdev->order);
|
||||
}
|
||||
|
||||
kfree(mhi_netdev->netbuf_pool);
|
||||
mhi_netdev->netbuf_pool = NULL;
|
||||
}
|
||||
|
||||
static int mhi_netdev_poll(struct napi_struct *napi, int budget)
|
||||
{
|
||||
struct net_device *dev = napi->dev;
|
||||
struct mhi_netdev_priv *mhi_netdev_priv = netdev_priv(dev);
|
||||
struct mhi_netdev *mhi_netdev = mhi_netdev_priv->mhi_netdev;
|
||||
struct mhi_device *mhi_dev = mhi_netdev->mhi_dev;
|
||||
struct mhi_net_chain *chain = &mhi_netdev->chain;
|
||||
int rx_work = 0;
|
||||
|
||||
MSG_VERB("Entered\n");
|
||||
|
||||
rx_work = mhi_poll(mhi_dev, budget);
|
||||
|
||||
/* chained skb, push it to stack */
|
||||
if (chain && chain->head) {
|
||||
netif_receive_skb(chain->head);
|
||||
chain->head = NULL;
|
||||
}
|
||||
|
||||
if (rx_work < 0) {
|
||||
MSG_ERR("Error polling ret:%d\n", rx_work);
|
||||
napi_complete(napi);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* queue new buffers */
|
||||
mhi_netdev_queue(mhi_netdev);
|
||||
|
||||
/* complete work if # of packet processed less than allocated budget */
|
||||
if (rx_work < budget)
|
||||
napi_complete(napi);
|
||||
|
||||
MSG_VERB("polled %d pkts\n", rx_work);
|
||||
|
||||
return rx_work;
|
||||
}
|
||||
#else
|
||||
static int mhi_netdev_poll(struct napi_struct *napi, int budget)
|
||||
{
|
||||
struct net_device *dev = napi->dev;
|
||||
@ -2040,6 +2318,7 @@ static int mhi_netdev_poll(struct napi_struct *napi, int budget)
|
||||
|
||||
return rx_work;
|
||||
}
|
||||
#endif
|
||||
|
||||
static int mhi_netdev_open(struct net_device *ndev)
|
||||
{
|
||||
@ -2110,7 +2389,7 @@ static netdev_tx_t mhi_netdev_xmit(struct sk_buff *skb, struct net_device *dev)
|
||||
}
|
||||
|
||||
if (mhi_netdev->net_type == MHI_NET_MBIM) {
|
||||
if (add_mbim_hdr(skb, QUECTEL_QMAP_MUX_ID) == NULL) {
|
||||
if (add_mbim_hdr(skb, mhi_netdev->mbim_mux_id) == NULL) {
|
||||
dev_kfree_skb_any (skb);
|
||||
return NETDEV_TX_OK;
|
||||
}
|
||||
@ -2268,7 +2547,7 @@ static int qmap_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
|
||||
|
||||
case 0x89F3: //SIOCDEVPRIVATE
|
||||
if (mhi_netdev->use_rmnet_usb) {
|
||||
rc = copy_to_user(ifr->ifr_ifru.ifru_data, &mhi_netdev->rmnet_info, sizeof(RMNET_INFO));
|
||||
rc = copy_to_user(ifr->ifr_ifru.ifru_data, &mhi_netdev->rmnet_info, sizeof(mhi_netdev->rmnet_info));
|
||||
}
|
||||
break;
|
||||
|
||||
@ -2436,6 +2715,34 @@ static int mhi_netdev_enable_iface(struct mhi_netdev *mhi_netdev)
|
||||
mhi_netdev->enabled = true;
|
||||
write_unlock_irq(&mhi_netdev->pm_lock);
|
||||
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
/* MRU must be multiplication of page size */
|
||||
mhi_netdev->order = 1;
|
||||
while ((PAGE_SIZE << mhi_netdev->order) < mhi_netdev->mru)
|
||||
mhi_netdev->order += 1;
|
||||
|
||||
/* setup pool size ~2x ring length*/
|
||||
no_tre = mhi_get_no_free_descriptors(mhi_dev, DMA_FROM_DEVICE);
|
||||
mhi_netdev->pool_size = 1 << __ilog2_u32(no_tre);
|
||||
if (no_tre > mhi_netdev->pool_size)
|
||||
mhi_netdev->pool_size <<= 1;
|
||||
mhi_netdev->pool_size <<= 1;
|
||||
|
||||
/* allocate memory pool */
|
||||
ret = mhi_netdev_alloc_pool(mhi_netdev);
|
||||
if (ret) {
|
||||
MSG_ERR("mhi_netdev_alloc_pool Fail!\n");
|
||||
goto error_start;
|
||||
}
|
||||
|
||||
napi_enable(&mhi_netdev->napi);
|
||||
|
||||
/* now we have a pool of buffers allocated, queue to hardware
|
||||
* by triggering a napi_poll
|
||||
*/
|
||||
napi_schedule(&mhi_netdev->napi);
|
||||
error_start:
|
||||
#else
|
||||
/* queue buffer for rx path */
|
||||
no_tre = mhi_get_no_free_descriptors(mhi_dev, DMA_FROM_DEVICE);
|
||||
ret = mhi_netdev_alloc_skb(mhi_netdev, GFP_KERNEL);
|
||||
@ -2443,6 +2750,7 @@ static int mhi_netdev_enable_iface(struct mhi_netdev *mhi_netdev)
|
||||
schedule_delayed_work(&mhi_netdev->alloc_work, msecs_to_jiffies(20));
|
||||
|
||||
napi_enable(&mhi_netdev->napi);
|
||||
#endif
|
||||
|
||||
MSG_LOG("Exited.\n");
|
||||
|
||||
@ -2499,6 +2807,49 @@ static void mhi_netdev_xfer_ul_cb(struct mhi_device *mhi_dev,
|
||||
dev_kfree_skb(skb);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
static void mhi_netdev_xfer_dl_cb(struct mhi_device *mhi_dev,
|
||||
struct mhi_result *mhi_result)
|
||||
{
|
||||
struct mhi_netdev *mhi_netdev = mhi_device_get_devdata(mhi_dev);
|
||||
struct mhi_netbuf *netbuf = mhi_result->buf_addr;
|
||||
struct mhi_buf *mhi_buf = &netbuf->mhi_buf;
|
||||
struct sk_buff *skb;
|
||||
struct net_device *ndev = mhi_netdev->ndev;
|
||||
struct device *dev = mhi_dev->dev.parent;
|
||||
struct mhi_net_chain *chain = &mhi_netdev->chain;
|
||||
|
||||
netbuf->unmap(dev, mhi_buf->dma_addr, mhi_buf->len, DMA_FROM_DEVICE);
|
||||
|
||||
/* modem is down, drop the buffer */
|
||||
if (mhi_result->transaction_status == -ENOTCONN) {
|
||||
__free_pages(mhi_buf->page, mhi_netdev->order);
|
||||
return;
|
||||
}
|
||||
|
||||
mhi_netdev_upate_rx_stats(mhi_netdev, 1, mhi_result->bytes_xferd);
|
||||
|
||||
/* we support chaining */
|
||||
skb = alloc_skb(0, GFP_ATOMIC);
|
||||
if (likely(skb)) {
|
||||
skb_add_rx_frag(skb, 0, mhi_buf->page, 0,
|
||||
mhi_result->bytes_xferd, mhi_netdev->mru);
|
||||
|
||||
/* this is first on list */
|
||||
if (!chain->head) {
|
||||
skb->dev = ndev;
|
||||
skb->protocol = htons(ETH_P_MAP);
|
||||
chain->head = skb;
|
||||
} else {
|
||||
skb_shinfo(chain->tail)->frag_list = skb;
|
||||
}
|
||||
|
||||
chain->tail = skb;
|
||||
} else {
|
||||
__free_pages(mhi_buf->page, mhi_netdev->order);
|
||||
}
|
||||
}
|
||||
#else
|
||||
static void mhi_netdev_xfer_dl_cb(struct mhi_device *mhi_dev,
|
||||
struct mhi_result *mhi_result)
|
||||
{
|
||||
@ -2604,6 +2955,7 @@ static void mhi_netdev_xfer_dl_cb(struct mhi_device *mhi_dev,
|
||||
skb_priv->bind_netdev = NULL;
|
||||
skb_queue_tail(&mhi_netdev->qmap_chain, skb);
|
||||
}
|
||||
#endif
|
||||
|
||||
static void mhi_netdev_status_cb(struct mhi_device *mhi_dev, enum MHI_CB mhi_cb)
|
||||
{
|
||||
@ -2812,33 +3164,29 @@ static void mhi_netdev_remove(struct mhi_device *mhi_dev)
|
||||
struct sk_buff *skb;
|
||||
|
||||
MSG_LOG("Remove notification received\n");
|
||||
#ifndef MHI_NETDEV_ONE_CARD_MODE
|
||||
#ifndef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
|
||||
unsigned i;
|
||||
write_lock_irq(&mhi_netdev->pm_lock);
|
||||
mhi_netdev->enabled = false;
|
||||
write_unlock_irq(&mhi_netdev->pm_lock);
|
||||
|
||||
if (mhi_netdev->use_rmnet_usb) {
|
||||
#ifndef MHI_NETDEV_ONE_CARD_MODE
|
||||
unsigned i;
|
||||
|
||||
for (i = 0; i < mhi_netdev->qmap_mode; i++) {
|
||||
if (mhi_netdev->mpQmapNetDev[i]) {
|
||||
if (mhi_netdev->mpQmapNetDev[i]
|
||||
&& mhi_netdev->mpQmapNetDev[i] != mhi_netdev->ndev) {
|
||||
rmnet_vnd_unregister_device(mhi_netdev->mpQmapNetDev[i]);
|
||||
mhi_netdev->mpQmapNetDev[i] = NULL;
|
||||
}
|
||||
mhi_netdev->mpQmapNetDev[i] = NULL;
|
||||
}
|
||||
|
||||
rtnl_lock();
|
||||
#ifdef ANDROID_gki
|
||||
if (mhi_netdev->ndev && rtnl_dereference(mhi_netdev->ndev->rx_handler))
|
||||
#else
|
||||
if (netdev_is_rx_handler_busy(mhi_netdev->ndev))
|
||||
#endif
|
||||
if (mhi_netdev->ndev
|
||||
&& rtnl_dereference(mhi_netdev->ndev->rx_handler) == rmnet_rx_handler)
|
||||
netdev_rx_handler_unregister(mhi_netdev->ndev);
|
||||
rtnl_unlock();
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif
|
||||
while ((skb = skb_dequeue (&mhi_netdev->skb_chain)))
|
||||
dev_kfree_skb_any(skb);
|
||||
while ((skb = skb_dequeue (&mhi_netdev->qmap_chain)))
|
||||
@ -2857,6 +3205,9 @@ static void mhi_netdev_remove(struct mhi_device *mhi_dev)
|
||||
#endif
|
||||
free_netdev(mhi_netdev->ndev);
|
||||
flush_delayed_work(&mhi_netdev->alloc_work);
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
mhi_netdev_free_pool(mhi_netdev);
|
||||
#endif
|
||||
|
||||
if (!IS_ERR_OR_NULL(mhi_netdev->dentry))
|
||||
debugfs_remove_recursive(mhi_netdev->dentry);
|
||||
@ -2867,6 +3218,7 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
|
||||
{
|
||||
int ret;
|
||||
struct mhi_netdev *mhi_netdev;
|
||||
unsigned i;
|
||||
|
||||
mhi_netdev = devm_kzalloc(&mhi_dev->dev, sizeof(*mhi_netdev),
|
||||
GFP_KERNEL);
|
||||
@ -2923,6 +3275,9 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
|
||||
if ((mhi_dev->vendor == 0x17cb && mhi_dev->dev_id == 0x0306)
|
||||
|| (mhi_dev->vendor == 0x17cb && mhi_dev->dev_id == 0x0308)
|
||||
|| (mhi_dev->vendor == 0x1eac && mhi_dev->dev_id == 0x1004)
|
||||
|| (mhi_dev->vendor == 0x17cb && mhi_dev->dev_id == 0x011a)
|
||||
|| (mhi_dev->vendor == 0x1eac && mhi_dev->dev_id == 0x100b)
|
||||
|| (mhi_dev->vendor == 0x17cb && mhi_dev->dev_id == 0x0309)
|
||||
) {
|
||||
mhi_netdev->qmap_version = 9;
|
||||
}
|
||||
@ -2931,6 +3286,11 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
|
||||
mhi_netdev->qmap_version = 0;
|
||||
mhi_netdev->use_rmnet_usb = 0;
|
||||
}
|
||||
|
||||
mhi_netdev->mbim_mux_id = 0;
|
||||
if (mhi_dev->vendor == 0x17cb && mhi_dev->dev_id == 0x0309) {
|
||||
mhi_netdev->mbim_mux_id = MBIM_MUX_ID_SDX7X;
|
||||
}
|
||||
rmnet_info_set(mhi_netdev, &mhi_netdev->rmnet_info);
|
||||
|
||||
mhi_netdev->rx_queue = mhi_netdev_alloc_skb;
|
||||
@ -2958,16 +3318,32 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
|
||||
mhi_netdev->mpQmapNetDev[0] = mhi_netdev->ndev;
|
||||
netif_carrier_on(mhi_netdev->ndev);
|
||||
}
|
||||
else if (mhi_netdev->use_rmnet_usb) {
|
||||
#ifdef MHI_NETDEV_ONE_CARD_MODE
|
||||
else if (1) {
|
||||
mhi_netdev->mpQmapNetDev[0] = mhi_netdev->ndev;
|
||||
strcpy(mhi_netdev->rmnet_info.ifname[0], mhi_netdev->mpQmapNetDev[0]->name);
|
||||
mhi_netdev->rmnet_info.mux_id[0] = QUECTEL_QMAP_MUX_ID;
|
||||
if (mhi_mbim_enabled) {
|
||||
mhi_netdev->rmnet_info.mux_id[0] = mhi_netdev->mbim_mux_id;
|
||||
}
|
||||
}
|
||||
#else
|
||||
unsigned i;
|
||||
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
else if (1) {
|
||||
BUG_ON(mhi_netdev->net_type != MHI_NET_RMNET);
|
||||
for (i = 0; i < mhi_netdev->qmap_mode; i++) {
|
||||
mhi_netdev->rmnet_info.mux_id[i] = QUECTEL_QMAP_MUX_ID + i;
|
||||
strcpy(mhi_netdev->rmnet_info.ifname[i], "use_rmnet_data");
|
||||
}
|
||||
}
|
||||
#endif
|
||||
else if (mhi_netdev->use_rmnet_usb) {
|
||||
for (i = 0; i < mhi_netdev->qmap_mode; i++) {
|
||||
u8 mux_id = QUECTEL_QMAP_MUX_ID+i;
|
||||
if (mhi_mbim_enabled) {
|
||||
mux_id = mhi_netdev->mbim_mux_id + i;
|
||||
}
|
||||
mhi_netdev->mpQmapNetDev[i] = rmnet_vnd_register_device(mhi_netdev, i, mux_id);
|
||||
if (mhi_netdev->mpQmapNetDev[i]) {
|
||||
strcpy(mhi_netdev->rmnet_info.ifname[i], mhi_netdev->mpQmapNetDev[i]->name);
|
||||
@ -2980,11 +3356,11 @@ static int mhi_netdev_probe(struct mhi_device *mhi_dev,
|
||||
//netdev_rx_handler_register(mhi_netdev->ndev, rmnet_rx_handler, mhi_netdev);
|
||||
netdev_rx_handler_register(mhi_netdev->ndev, rmnet_rx_handler, NULL);
|
||||
rtnl_unlock();
|
||||
#endif
|
||||
}
|
||||
|
||||
#if defined(CONFIG_IPQ5018_RATE_CONTROL)
|
||||
mhi_netdev->mhi_rate_control = 1;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
@ -3032,3 +3408,11 @@ void mhi_device_netdev_exit(void)
|
||||
#endif
|
||||
mhi_driver_unregister(&mhi_netdev_driver);
|
||||
}
|
||||
|
||||
void mhi_netdev_quectel_avoid_unused_function(void) {
|
||||
#ifdef CONFIG_USE_RMNET_DATA_FOR_SKIP_MEMCPY
|
||||
qmap_hex_dump(NULL, NULL, 0);
|
||||
mhi_netdev_ip_type_trans(0);
|
||||
#else
|
||||
#endif
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user