unix: add tpacket types and constants on Linux
Change-Id: I4f2fd8a7c899403f545d8dc73fec2ebbb0b322c0
Reviewed-on: https://go-review.googlesource.com/113035
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/ztypes_linux_mipsle.go b/unix/ztypes_linux_mipsle.go
index 23cba2d..d35bb0e 100644
--- a/unix/ztypes_linux_mipsle.go
+++ b/unix/ztypes_linux_mipsle.go
@@ -1250,3 +1250,102 @@
ST_RELATIME = 0x1000
ST_SYNCHRONOUS = 0x10
)
+
+type TpacketHdr struct {
+ Status uint32
+ Len uint32
+ Snaplen uint32
+ Mac uint16
+ Net uint16
+ Sec uint32
+ Usec uint32
+}
+
+type Tpacket2Hdr struct {
+ Status uint32
+ Len uint32
+ Snaplen uint32
+ Mac uint16
+ Net uint16
+ Sec uint32
+ Nsec uint32
+ Vlan_tci uint16
+ Vlan_tpid uint16
+ _ [4]uint8
+}
+
+type Tpacket3Hdr struct {
+ Next_offset uint32
+ Sec uint32
+ Nsec uint32
+ Snaplen uint32
+ Len uint32
+ Status uint32
+ Mac uint16
+ Net uint16
+ Hv1 TpacketHdrVariant1
+ _ [8]uint8
+}
+
+type TpacketHdrVariant1 struct {
+ Rxhash uint32
+ Vlan_tci uint32
+ Vlan_tpid uint16
+ _ uint16
+}
+
+type TpacketBlockDesc struct {
+ Version uint32
+ To_priv uint32
+ Hdr [40]byte
+}
+
+type TpacketReq struct {
+ Block_size uint32
+ Block_nr uint32
+ Frame_size uint32
+ Frame_nr uint32
+}
+
+type TpacketReq3 struct {
+ Block_size uint32
+ Block_nr uint32
+ Frame_size uint32
+ Frame_nr uint32
+ Retire_blk_tov uint32
+ Sizeof_priv uint32
+ Feature_req_word uint32
+}
+
+type TpacketStats struct {
+ Packets uint32
+ Drops uint32
+}
+
+type TpacketStatsV3 struct {
+ Packets uint32
+ Drops uint32
+ Freeze_q_cnt uint32
+}
+
+type TpacketAuxdata struct {
+ Status uint32
+ Len uint32
+ Snaplen uint32
+ Mac uint16
+ Net uint16
+ Vlan_tci uint16
+ Vlan_tpid uint16
+}
+
+const (
+ TPACKET_V1 = 0x0
+ TPACKET_V2 = 0x1
+ TPACKET_V3 = 0x2
+)
+
+const (
+ SizeofTpacketHdr = 0x18
+ SizeofTpacket2Hdr = 0x20
+ SizeofTpacket3Hdr = 0x30
+)
