unix: add functions to get/set tpacket socket options
Add GetsockoptTpacketStats and GetsockoptTpacketStatsV3 to get tpacket
statistics (for TPACKET_V2 and TPACKET_V3).
Add SetsockoptTpacketReq and SetsockoptTpacketReq3 to set up tpacket
v2/v3 ring buffers.
Change-Id: Ic2870be22be7d74141f682e515a682df28e1c814
Reviewed-on: https://go-review.googlesource.com/c/sys/+/165558
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/linux/types.go b/unix/linux/types.go
index a1828ad..d157d25 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -1115,6 +1115,9 @@
SizeofTpacketHdr = C.sizeof_struct_tpacket_hdr
SizeofTpacket2Hdr = C.sizeof_struct_tpacket2_hdr
SizeofTpacket3Hdr = C.sizeof_struct_tpacket3_hdr
+
+ SizeofTpacketStats = C.sizeof_struct_tpacket_stats
+ SizeofTpacketStatsV3 = C.sizeof_struct_tpacket_stats_v3
)
// netfilter
diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 6f03b86..fea1fb3 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1004,6 +1004,20 @@
return string(buf[:vallen-1]), nil
}
+func GetsockoptTpacketStats(fd, level, opt int) (*TpacketStats, error) {
+ var value TpacketStats
+ vallen := _Socklen(SizeofTpacketStats)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+ return &value, err
+}
+
+func GetsockoptTpacketStatsV3(fd, level, opt int) (*TpacketStatsV3, error) {
+ var value TpacketStatsV3
+ vallen := _Socklen(SizeofTpacketStatsV3)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+ return &value, err
+}
+
func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
}
@@ -1022,6 +1036,14 @@
return setsockopt(fd, level, opt, p, uintptr(len(filter)*SizeofCanFilter))
}
+func SetsockoptTpacketReq(fd, level, opt int, tp *TpacketReq) error {
+ return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
+}
+
+func SetsockoptTpacketReq3(fd, level, opt int, tp *TpacketReq3) error {
+ return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
+}
+
// Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html)
// KeyctlInt calls keyctl commands in which each argument is an int.
diff --git a/unix/ztypes_linux_386.go b/unix/ztypes_linux_386.go
index 25a3be6..06f2145 100644
--- a/unix/ztypes_linux_386.go
+++ b/unix/ztypes_linux_386.go
@@ -1428,6 +1428,9 @@
SizeofTpacketHdr = 0x18
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_amd64.go b/unix/ztypes_linux_amd64.go
index 9f6b975..a862e65 100644
--- a/unix/ztypes_linux_amd64.go
+++ b/unix/ztypes_linux_amd64.go
@@ -1440,6 +1440,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_arm.go b/unix/ztypes_linux_arm.go
index c944db2..bf04f7b 100644
--- a/unix/ztypes_linux_arm.go
+++ b/unix/ztypes_linux_arm.go
@@ -1418,6 +1418,9 @@
SizeofTpacketHdr = 0x18
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_arm64.go b/unix/ztypes_linux_arm64.go
index e6f4bad..e67eed8 100644
--- a/unix/ztypes_linux_arm64.go
+++ b/unix/ztypes_linux_arm64.go
@@ -1419,6 +1419,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_mips.go b/unix/ztypes_linux_mips.go
index 205d1c5..d781d07 100644
--- a/unix/ztypes_linux_mips.go
+++ b/unix/ztypes_linux_mips.go
@@ -1424,6 +1424,9 @@
SizeofTpacketHdr = 0x18
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_mips64.go b/unix/ztypes_linux_mips64.go
index d055d44..39f0c2c 100644
--- a/unix/ztypes_linux_mips64.go
+++ b/unix/ztypes_linux_mips64.go
@@ -1421,6 +1421,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_mips64le.go b/unix/ztypes_linux_mips64le.go
index cb6a1f7..2b38197 100644
--- a/unix/ztypes_linux_mips64le.go
+++ b/unix/ztypes_linux_mips64le.go
@@ -1421,6 +1421,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_mipsle.go b/unix/ztypes_linux_mipsle.go
index 93cd4a4..8c082e4 100644
--- a/unix/ztypes_linux_mipsle.go
+++ b/unix/ztypes_linux_mipsle.go
@@ -1424,6 +1424,9 @@
SizeofTpacketHdr = 0x18
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_ppc64.go b/unix/ztypes_linux_ppc64.go
index a502c8e..9b8d1fe 100644
--- a/unix/ztypes_linux_ppc64.go
+++ b/unix/ztypes_linux_ppc64.go
@@ -1429,6 +1429,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_ppc64le.go b/unix/ztypes_linux_ppc64le.go
index fd7582f..67291ef 100644
--- a/unix/ztypes_linux_ppc64le.go
+++ b/unix/ztypes_linux_ppc64le.go
@@ -1429,6 +1429,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_riscv64.go b/unix/ztypes_linux_riscv64.go
index 56e5a72..991ca1c 100644
--- a/unix/ztypes_linux_riscv64.go
+++ b/unix/ztypes_linux_riscv64.go
@@ -1446,6 +1446,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_s390x.go b/unix/ztypes_linux_s390x.go
index c3a1cbd..552c2a0 100644
--- a/unix/ztypes_linux_s390x.go
+++ b/unix/ztypes_linux_s390x.go
@@ -1443,6 +1443,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
diff --git a/unix/ztypes_linux_sparc64.go b/unix/ztypes_linux_sparc64.go
index 75021e7..6942c11 100644
--- a/unix/ztypes_linux_sparc64.go
+++ b/unix/ztypes_linux_sparc64.go
@@ -1424,6 +1424,9 @@
SizeofTpacketHdr = 0x20
SizeofTpacket2Hdr = 0x20
SizeofTpacket3Hdr = 0x30
+
+ SizeofTpacketStats = 0x8
+ SizeofTpacketStatsV3 = 0xc
)
const (
