diff options
Diffstat (limited to 'vendor/github.com/vishvananda/netlink/ioctl_linux.go')
-rw-r--r-- | vendor/github.com/vishvananda/netlink/ioctl_linux.go | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/vendor/github.com/vishvananda/netlink/ioctl_linux.go b/vendor/github.com/vishvananda/netlink/ioctl_linux.go new file mode 100644 index 000000000..a8503126d --- /dev/null +++ b/vendor/github.com/vishvananda/netlink/ioctl_linux.go @@ -0,0 +1,98 @@ +package netlink + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/unix" +) + +// ioctl for statistics. +const ( + // ETHTOOL_GSSET_INFO gets string set info + ETHTOOL_GSSET_INFO = 0x00000037 + // SIOCETHTOOL is Ethtool interface + SIOCETHTOOL = 0x8946 + // ETHTOOL_GSTRINGS gets specified string set + ETHTOOL_GSTRINGS = 0x0000001b + // ETHTOOL_GSTATS gets NIC-specific statistics + ETHTOOL_GSTATS = 0x0000001d +) + +// string set id. +const ( + // ETH_SS_TEST is self-test result names, for use with %ETHTOOL_TEST + ETH_SS_TEST = iota + // ETH_SS_STATS statistic names, for use with %ETHTOOL_GSTATS + ETH_SS_STATS + // ETH_SS_PRIV_FLAGS are driver private flag names + ETH_SS_PRIV_FLAGS + // _ETH_SS_NTUPLE_FILTERS is deprecated + _ETH_SS_NTUPLE_FILTERS + // ETH_SS_FEATURES are device feature names + ETH_SS_FEATURES + // ETH_SS_RSS_HASH_FUNCS is RSS hush function names + ETH_SS_RSS_HASH_FUNCS +) + +// IfreqSlave is a struct for ioctl bond manipulation syscalls. +// It is used to assign slave to bond interface with Name. +type IfreqSlave struct { + Name [unix.IFNAMSIZ]byte + Slave [unix.IFNAMSIZ]byte +} + +// Ifreq is a struct for ioctl ethernet manipulation syscalls. +type Ifreq struct { + Name [unix.IFNAMSIZ]byte + Data uintptr +} + +// ethtoolSset is a string set information +type ethtoolSset struct { + cmd uint32 + reserved uint32 + mask uint64 + data [1]uint32 +} + +// ethtoolGstrings is string set for data tagging +type ethtoolGstrings struct { + cmd uint32 + stringSet uint32 + length uint32 + data [32]byte +} + +type ethtoolStats struct { + cmd uint32 + nStats uint32 + data [1]uint64 +} + +// newIocltSlaveReq returns filled IfreqSlave with proper interface names +// It is used by ioctl to assign slave to bond master +func newIocltSlaveReq(slave, master string) *IfreqSlave { + ifreq := &IfreqSlave{} + copy(ifreq.Name[:unix.IFNAMSIZ-1], master) + copy(ifreq.Slave[:unix.IFNAMSIZ-1], slave) + return ifreq +} + +// newIocltStringSetReq creates request to get interface string set +func newIocltStringSetReq(linkName string) (*Ifreq, *ethtoolSset) { + e := ðtoolSset{ + cmd: ETHTOOL_GSSET_INFO, + mask: 1 << ETH_SS_STATS, + } + + ifreq := &Ifreq{Data: uintptr(unsafe.Pointer(e))} + copy(ifreq.Name[:unix.IFNAMSIZ-1], linkName) + return ifreq, e +} + +// getSocketUDP returns file descriptor to new UDP socket +// It is used for communication with ioctl interface. +func getSocketUDP() (int, error) { + return syscall.Socket(unix.AF_INET, unix.SOCK_DGRAM, 0) +} |