From: Florian Westphal <fw@strlen.de>
Date: Mon, 1 Feb 2016 23:19:44 +0000 (+0100)
Subject: src: meta: add prandom support
X-Git-Tag: libnftnl-1.0.6~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=20094da4454931a43586e36274fd330a4b646882;p=thirdparty%2Flibnftnl.git

src: meta: add prandom support

Signed-off-by: Florian Westphal <fw@strlen.de>
---

diff --git a/include/linux/netfilter/nf_tables.h b/include/linux/netfilter/nf_tables.h
index b2507998..e233d3a5 100644
--- a/include/linux/netfilter/nf_tables.h
+++ b/include/linux/netfilter/nf_tables.h
@@ -679,6 +679,7 @@ enum nft_exthdr_attributes {
  * @NFT_META_IIFGROUP: packet input interface group
  * @NFT_META_OIFGROUP: packet output interface group
  * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
+ * @NFT_META_PRANDOM: a 32bit pseudo-random number
  */
 enum nft_meta_keys {
 	NFT_META_LEN,
@@ -705,6 +706,7 @@ enum nft_meta_keys {
 	NFT_META_IIFGROUP,
 	NFT_META_OIFGROUP,
 	NFT_META_CGROUP,
+	NFT_META_PRANDOM,
 };
 
 /**
diff --git a/src/expr/meta.c b/src/expr/meta.c
index 546b2255..060c7041 100644
--- a/src/expr/meta.c
+++ b/src/expr/meta.c
@@ -22,7 +22,7 @@
 #include <libnftnl/rule.h>
 
 #ifndef NFT_META_MAX
-#define NFT_META_MAX (NFT_META_CGROUP + 1)
+#define NFT_META_MAX (NFT_META_PRANDOM + 1)
 #endif
 
 struct nftnl_expr_meta {
@@ -157,6 +157,7 @@ static const char *meta_key2str_array[NFT_META_MAX] = {
 	[NFT_META_IIFGROUP]	= "iifgroup",
 	[NFT_META_OIFGROUP]	= "oifgroup",
 	[NFT_META_CGROUP]	= "cgroup",
+	[NFT_META_PRANDOM]	= "prandom",
 };
 
 static const char *meta_key2str(uint8_t key)