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linux-user: Add support for SIOC<G|S>IFPFLAGS ioctls for all targets 

Add support for getting and setting extended private flags of a
network device via SIOCSIFPFLAGS and SIOCGIFPFLAGS ioctls.

The ioctl numeric values are platform-independent and determined by
the file include/uapi/linux/sockios.h in Linux kernel source code:

  #define SIOCSIFPFLAGS 0x8934
  #define SIOCGIFPFLAGS	0x8935

These ioctls get (or set) the field ifr_flags of type short in the
structure ifreq. Such functionality is achieved in QEMU by using
MK_STRUCT() and MK_PTR() macros with an appropriate argument, as
it was done for existing similar cases.

Signed-off-by: Neng Chen <nchen@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <1554839486-3527-1-git-send-email-aleksandar.markovic@rt-rk.com>
Message-Id: <1558282527-22183-4-git-send-email-aleksandar.markovic@rt-rk.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Neng Chen 2019-05-19 18:15:24 +02:00 committed by Laurent Vivier
parent c495a79340
commit 4bdcd79e3e
2 changed files with 4 additions and 0 deletions
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2
linux-user/ioctls.h
View File

@ -206,6 +206,8 @@
IOCTL(SIOCADDMULTI, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq)))
IOCTL(SIOCDELMULTI, IOC_W, MK_PTR(MK_STRUCT(STRUCT_sockaddr_ifreq)))
IOCTL(SIOCGIFINDEX, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_int_ifreq)))
IOCTL(SIOCSIFPFLAGS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_short_ifreq)))
IOCTL(SIOCGIFPFLAGS, IOC_W | IOC_R, MK_PTR(MK_STRUCT(STRUCT_short_ifreq)))
IOCTL(SIOCSIFLINK, 0, TYPE_NULL)
IOCTL_SPECIAL(SIOCGIFCONF, IOC_W | IOC_R, do_ioctl_ifconf,
MK_PTR(MK_STRUCT(STRUCT_ifconf)))

2
linux-user/syscall_defs.h
View File

@ -782,6 +782,8 @@ struct target_pollfd {
#define TARGET_SIOCADDMULTI 0x8931 /* Multicast address lists */
#define TARGET_SIOCDELMULTI 0x8932
#define TARGET_SIOCGIFINDEX 0x8933
#define TARGET_SIOCSIFPFLAGS 0x8934 /* set extended flags */
#define TARGET_SIOCGIFPFLAGS 0x8935 /* get extended flags */
/* Bridging control calls */
#define TARGET_SIOCGIFBR 0x8940 /* Bridging support */