unix/linux: bump Linux and Go versions to latest stable releases

Attempting to upgrade to the Ubuntu 19.10 Docker image results in
failures due to Ubuntu/Debian removing the mips{,64}{,le} cross
compilers, so we stick with 19.04 for now.

Change-Id: Ie75057447889ea1648d638a410e1c35c047b579a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/208737
Run-TryBot: Matt Layher <mdlayher@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
diff --git a/unix/ztypes_linux_s390x.go b/unix/ztypes_linux_s390x.go
index 9a95c5b..32ccf9c 100644
--- a/unix/ztypes_linux_s390x.go
+++ b/unix/ztypes_linux_s390x.go
@@ -256,7 +256,7 @@
 type RawSockaddrCAN struct {
 	Family  uint16
 	Ifindex int32
-	Addr    [8]byte
+	Addr    [16]byte
 }
 
 type RawSockaddrALG struct {
@@ -428,7 +428,7 @@
 	SizeofSockaddrHCI       = 0x6
 	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrRFCOMM    = 0xa
-	SizeofSockaddrCAN       = 0x10
+	SizeofSockaddrCAN       = 0x18
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
 	SizeofSockaddrXDP       = 0x10
@@ -2057,6 +2057,7 @@
 	Producer uint64
 	Consumer uint64
 	Desc     uint64
+	Flags    uint64
 }
 
 type XDPMmapOffsets struct {
@@ -2071,6 +2072,8 @@
 	Len      uint64
 	Size     uint32
 	Headroom uint32
+	Flags    uint32
+	_        [4]byte
 }
 
 type XDPStatistics struct {
@@ -2680,7 +2683,7 @@
 	DEVLINK_CMD_DPIPE_ENTRIES_GET             = 0x20
 	DEVLINK_CMD_DPIPE_HEADERS_GET             = 0x21
 	DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET      = 0x22
-	DEVLINK_CMD_MAX                           = 0x3c
+	DEVLINK_CMD_MAX                           = 0x44
 	DEVLINK_PORT_TYPE_NOTSET                  = 0x0
 	DEVLINK_PORT_TYPE_AUTO                    = 0x1
 	DEVLINK_PORT_TYPE_ETH                     = 0x2
@@ -2760,7 +2763,7 @@
 	DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE     = 0x3c
 	DEVLINK_ATTR_PAD                          = 0x3d
 	DEVLINK_ATTR_ESWITCH_ENCAP_MODE           = 0x3e
-	DEVLINK_ATTR_MAX                          = 0x80
+	DEVLINK_ATTR_MAX                          = 0x89
 	DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE     = 0x0
 	DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX  = 0x1
 	DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT      = 0x0