在内核5.11上编译wanpiet驱动程序-C/C++问题

Compiling wanpipe driver on kernel 5.11(在内核5.11上编译wanpiet驱动程序)

本文介绍了在内核5.11上编译wanpiet驱动程序的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在尝试在Ubuntu 21.04和内核v5.11上编译Sangoma的wantube驱动程序v7.0.32，以便与我的A200电话卡一起使用。该驱动程序旨在支持内核5.8。我已经成功地使用5.8内核构建了它，但我更希望能够继续使用5.11内核，这样我就不必降级我的生产服务器。

我缺乏C++知识，无法解决如何在编译wanpie驱动程序时排除‘struct’和"；‘’struct FILE_OPERATION‘中没有名为’ioctl‘成员的字段的位置初始化错误。

以下是make的结果：

make KBUILD_VERBOSE=0 KBUILD_MODPOST_WARN=1 -C /lib/modules/5.11.0-22-generic/build M=/usr/src/wanpipe-7.0.32/patches/kdrivers/src/net EXTRA_FLAGS="-I/usr/src/wanpipe-7.0.32/patches/kdrivers/include -I/usr/src/wanpipe-7.0.32/patches/kdrivers/include/annexg -I/usr/src/wanpipe-7.0.32/patches/kdrivers/wanec -D__LINUX__ -I/usr/src/wanpipe-7.0.32/patches/kdrivers/wanec -I/usr/src/wanpipe-7.0.32/patches/kdrivers/wanec/oct6100_api -I/usr/src/wanpipe-7.0.32/patches/kdrivers/wanec/oct6100_api/include  -DCONFIG_PRODUCT_WANPIPE_BASE -DCONFIG_PRODUCT_WANPIPE_AFT -DCONFIG_PRODUCT_WANPIPE_AFT_CORE  -DCONFIG_PRODUCT_WANPIPE_AFT_TE1 -DCONFIG_PRODUCT_WANPIPE_AFT_TE3 -DCONFIG_PRODUCT_WANPIPE_AFT_56K -DCONFIG_WANPIPE_HWEC  -DCONFIG_PRODUCT_WANPIPE_SOCK_DATASCOPE -DCONFIG_PRODUCT_WANPIPE_AFT_BRI -DCONFIG_PRODUCT_WANPIPE_AFT_SERIAL  -DCONFIG_PRODUCT_WANPIPE_TDM_VOICE_DCHAN -DCONFIG_PRODUCT_WANPIPE_CODEC_SLINEAR_LAW -DCONFIG_PRODUCT_WANPIPE_AFT_RM  -DCONFIG_PRODUCT_WANPIPE_USB -DCONFIG_PRODUCT_WANPIPE_A700 -DCONFIG_PRODUCT_A600 -DCONFIG_PRODUCT_WANPIPE_AFT_A600 -DCONFIG_PRODUCT_WANPIPE_AFT_A700 -DCONFIG_PRODUCT_WANPIPE_AFT_B601 -DCONFIG_PRODUCT_WANPIPE_AFT_B800  -I/lib/modules/5.11.0-22-generic/build/include/linux -I/usr/src/dahdi  -DKERN_PROC_PDE_FEATURE=2 -DKERN_MEMCPY_FROM_MSG=1 -DKERN_MEMCPY_TO_MSG=1 -DKERN_SK_FOR_NODE_FEATURE=0 -DKERN_NETIF_TRANS_UPDATE=1 -DKERN_NDO_CHANGE_MTU_RH74=0 -DKERN_CLASS_DEV_GROUPS=1 -DKERN_TIMER_SETUP=2 -DKERN_REFCNT_UPDATE=3 -DKERN_SIG_UPDATE=11 -DKERN_CLASS_PROTO_OPS_UPDATE=0 -DKERN_DEV_CHG_FLAG_UPDATE=2 -DKERN_NDO_TIMEOUT_UPDATE=2 -DKERN_DO_GET_TIME=0 -DKERN_GET_KENEL_DS=0 -DKERN_PROC_CREATE=0 -DKERN_TIMER_32BIT=0  -DWANPIPE_USE_I_PRIVATE " ZAPDIR= ZAPHDLC= HOMEDIR=/usr/src/wanpipe-7.0.32 modules  
make[1]: Entering directory '/usr/src/linux-headers-5.11.0-22-generic'
  CC [M]  /usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.o
In file included from /usr/src/wanpipe-7.0.32/patches/kdrivers/include/wanpipe_defines.h:30,
                 from /usr/src/wanpipe-7.0.32/patches/kdrivers/include/wanpipe_cdev_iface.h:9,
                 from /usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.c:16:
/usr/src/wanpipe-7.0.32/patches/kdrivers/include/wanpipe_kernel.h:96:25: error: ‘struct file_operations’ has no member named ‘ioctl’
   96 | #define WAN_IOCTL       ioctl
      |                         ^~~~~
/usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.c:133:2: note: in expansion of macro ‘WAN_IOCTL’
  133 |  WAN_IOCTL: wp_cdev_ioctl,
      |  ^~~~~~~~~
/usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.c:133:13: error: positional initialization of field in ‘struct’ declared with ‘designated_init’ attribute [-Werror=designated-init]
  133 |  WAN_IOCTL: wp_cdev_ioctl,
      |             ^~~~~~~~~~~~~
/usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.c:133:13: note: (near initialization for ‘wp_cdev_fops’)
/usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.c:133:13: error: initialization of ‘int (*)(struct file *, loff_t,  loff_t,  int)’ {aka ‘int (*)(struct file *, long long int,  long long int,  int)’} from incompatible pointer type ‘int (*)(struct inode *, struct file *, unsigned int,  long unsigned int)’ [-Werror=incompatible-pointer-types]
/usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.c:133:13: note: (near initialization for ‘wp_cdev_fops.fsync’)
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:287: /usr/src/wanpipe-7.0.32/patches/kdrivers/src/net/wanpipe_cdev_linux.o] Error 1
make[1]: *** [Makefile:1848: /usr/src/wanpipe-7.0.32/patches/kdrivers/src/net] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.11.0-22-generic'
make: *** [Makefile:399: all_kmod] Error 2

wantube_cdev_linux.c部分：

    /*=========================================================
 * Static Defines
 *=========================================================*/

static struct file_operations wp_cdev_fops = {
        owner: THIS_MODULE,
        llseek: NULL,
        open: wp_cdev_open,
        release: wp_cdev_release,
        WAN_IOCTL: wp_cdev_ioctl,
        read: wp_cdev_read,
        write: wp_cdev_write,
        poll: wp_cdev_poll,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
        compat_ioctl: wp_cdev_compat_ioctl,
#endif

wanpip_kernel.h：

/////////////2.6.36/////////////////////////////
#ifdef HAVE_UNLOCKED_IOCTL
#define WAN_IOCTL       unlocked_ioctl
#define WAN_IOCTL_RET_TYPE      long
#define WANDEF_IOCTL_FUNC(function, struct_ptr_file, cmd, data) function(struct_ptr_file, cmd, data)
#else
#define WAN_IOCTL       ioctl
#define WAN_IOCTL_RET_TYPE      int
#define WANDEF_IOCTL_FUNC(function, struct_ptr_file, cmd, data) function(struct inode *inode, struct_ptr_file, cmd, data)
#endif
////////////////////////////////////////////////

感谢任何帮助。

推荐答案

WANPIPE之前的代码仅适用于2.6.36或更低版本的内核。在ubuntu 21.04中，他们对WRT内核5.8做了一些修改。在5.8或更高的内核版本中，文件操作中没有ioctl函数指针。相反，他们使用的是unlock_ioctl。以下更改将消除该错误。你可以用同样的方法核对一下。谢谢！

#if  ((LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0)) && (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36)))
        #ifndef HAVE_UNLOCKED_IOCTL2
        #define HAVE_UNLOCKED_IOCTL2
                #define WAN_IOCTL       unlocked_ioctl
                #define WAN_IOCTL_RET_TYPE      long
                #define WANDEF_IOCTL_FUNC(function, struct_ptr_file, cmd, data) function(struct_ptr_file, cmd, data)
        #endif
#else
        #ifndef HAVE_UNLOCKED_IOCTL2
        #define HAVE_UNLOCKED_IOCTL2
                #define WAN_IOCTL       unlocked_ioctl
                #define WAN_IOCTL_RET_TYPE      long
                #define WANDEF_IOCTL_FUNC(function, struct_ptr_file, cmd, data) function(struct_ptr_file, cmd, data)
        #else
        #       define WAN_IOCTL       ioctl
        #       define WAN_IOCTL_RET_TYPE       int
        #       define WANDEF_IOCTL_FUNC(function, struct_ptr_file, cmd, data) function(struct inode *inode, struct_ptr_file, cmd, data)
        #endif

#endif

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