unix: add Netfilter and NFTables constants

Fixes golang/go#64426 Change-Id: I7332f73e27396d187ed63715100af299a949eaf9 GitHub-Last-Rev: a6b267b GitHub-Pull-Request: #182 Reviewed-on: https://go-review.googlesource.com/c/sys/+/545495 Auto-Submit: Tobias Klauser <[email protected]> Reviewed-by: Tobias Klauser <[email protected]> Run-TryBot: Tobias Klauser <[email protected]> LUCI-TryBot-Result: Go LUCI <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]> Reviewed-by: Mauri de Souza Meneguzzo <[email protected]> TryBot-Result: Gopher Robot <[email protected]> Reviewed-by: Michael Knyszek <[email protected]>
golang · Dec 1, 2023 · 5ff87d7 · 5ff87d7
1 parent 13b15b7
commit 5ff87d7
Show file tree

Hide file tree

Showing 2 changed files with 76 additions and 0 deletions.
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
@@ -248,6 +248,7 @@ struct ltchars {
 #include <linux/module.h>
 #include <linux/mount.h>
 #include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nf_tables.h>
 #include <linux/netlink.h>
 #include <linux/net_namespace.h>
 #include <linux/nfc.h>
@@ -324,6 +325,24 @@ struct ltchars {
 // and netinet/in.h included via net/route.h above.
 #define IPPROTO_L2TP		115
 
+// Copied from linux/netfilter/nf_nat.h
+// Including linux/netfilter/nf_nat.h here causes conflicts between linux/in.h
+// and netinet/in.h.
+#define NF_NAT_RANGE_MAP_IPS			(1 << 0)
+#define NF_NAT_RANGE_PROTO_SPECIFIED		(1 << 1)
+#define NF_NAT_RANGE_PROTO_RANDOM		(1 << 2)
+#define NF_NAT_RANGE_PERSISTENT			(1 << 3)
+#define NF_NAT_RANGE_PROTO_RANDOM_FULLY		(1 << 4)
+#define NF_NAT_RANGE_PROTO_OFFSET		(1 << 5)
+#define NF_NAT_RANGE_NETMAP			(1 << 6)
+#define NF_NAT_RANGE_PROTO_RANDOM_ALL		\
+	(NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
+#define NF_NAT_RANGE_MASK					\
+	(NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED |	\
+	 NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT |	\
+	 NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET | \
+	 NF_NAT_RANGE_NETMAP)
+
 // Copied from linux/hid.h.
 // Keep in sync with the size of the referenced fields.
 #define _HIDIOCGRAWNAME_LEN	128 // sizeof_field(struct hid_device, name)
@@ -603,6 +622,9 @@ ccflags="$@"
 		$2 ~ /^FSOPT_/ ||
 		$2 ~ /^WDIO[CFS]_/ ||
 		$2 ~ /^NFN/ ||
+		$2 !~ /^NFT_META_IIFTYPE/ &&
+		$2 ~ /^NFT_/ ||
+		$2 ~ /^NF_NAT_/ ||
 		$2 ~ /^XDP_/ ||
 		$2 ~ /^RWF_/ ||
 		$2 ~ /^(HDIO|WIN|SMART)_/ ||

diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go