[PATCH v2 2/6] netfilter: ipset: Add bitmask support to hash:ip

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Create a new revision of hash:ip and add support for bitmask parameter.
The set already had support for netmask so only add bitmask here.

Signed-off-by: Vishwanath Pai <vpai@xxxxxxxxxx>
Signed-off-by: Joshua Hunt <johunt@xxxxxxxxxx>
---
 lib/ipset_hash_ip.c | 86 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/lib/ipset_hash_ip.c b/lib/ipset_hash_ip.c
index ea85700..4f96ebb 100644
--- a/lib/ipset_hash_ip.c
+++ b/lib/ipset_hash_ip.c
@@ -477,6 +477,91 @@ static struct ipset_type ipset_hash_ip5 = {
 	.description = "bucketsize, initval support",
 };
 
+/* bitmask support */
+static struct ipset_type ipset_hash_ip6 = {
+	.name = "hash:ip",
+	.alias = { "iphash", NULL },
+	.revision = 6,
+	.family = NFPROTO_IPSET_IPV46,
+	.dimension = IPSET_DIM_ONE,
+	.elem = {
+		[IPSET_DIM_ONE - 1] = {
+			.parse = ipset_parse_ip4_single6,
+			.print = ipset_print_ip,
+			.opt = IPSET_OPT_IP
+		},
+	},
+	.cmd = {
+		[IPSET_CREATE] = {
+			.args = {
+				IPSET_ARG_FAMILY,
+				/* Aliases */
+				IPSET_ARG_INET,
+				IPSET_ARG_INET6,
+				IPSET_ARG_HASHSIZE,
+				IPSET_ARG_MAXELEM,
+				IPSET_ARG_NETMASK,
+				IPSET_ARG_BITMASK,
+				IPSET_ARG_TIMEOUT,
+				IPSET_ARG_COUNTERS,
+				IPSET_ARG_COMMENT,
+				IPSET_ARG_FORCEADD,
+				IPSET_ARG_SKBINFO,
+				IPSET_ARG_BUCKETSIZE,
+				IPSET_ARG_INITVAL,
+				/* Ignored options: backward compatibilty */
+				IPSET_ARG_PROBES,
+				IPSET_ARG_RESIZE,
+				IPSET_ARG_GC,
+				IPSET_ARG_NONE,
+			},
+			.need = 0,
+			.full = 0,
+			.help = "",
+		},
+		[IPSET_ADD] = {
+			.args = {
+				IPSET_ARG_TIMEOUT,
+				IPSET_ARG_PACKETS,
+				IPSET_ARG_BYTES,
+				IPSET_ARG_ADT_COMMENT,
+				IPSET_ARG_SKBMARK,
+				IPSET_ARG_SKBPRIO,
+				IPSET_ARG_SKBQUEUE,
+				IPSET_ARG_NONE,
+			},
+			.need = IPSET_FLAG(IPSET_OPT_IP),
+			.full = IPSET_FLAG(IPSET_OPT_IP)
+				| IPSET_FLAG(IPSET_OPT_IP_TO),
+			.help = "IP",
+		},
+		[IPSET_DEL] = {
+			.args = {
+				IPSET_ARG_NONE,
+			},
+			.need = IPSET_FLAG(IPSET_OPT_IP),
+			.full = IPSET_FLAG(IPSET_OPT_IP)
+				| IPSET_FLAG(IPSET_OPT_IP_TO),
+			.help = "IP",
+		},
+		[IPSET_TEST] = {
+			.args = {
+				IPSET_ARG_NONE,
+			},
+			.need = IPSET_FLAG(IPSET_OPT_IP),
+			.full = IPSET_FLAG(IPSET_OPT_IP)
+				| IPSET_FLAG(IPSET_OPT_IP_TO),
+			.help = "IP",
+		},
+	},
+	.usage = "where depending on the INET family\n"
+		 "      IP is a valid IPv4 or IPv6 address (or hostname),\n"
+		 "      CIDR is a valid IPv4 or IPv6 CIDR prefix.\n"
+		 "      Adding/deleting multiple elements in IP/CIDR or FROM-TO form\n"
+		 "      is supported for IPv4.",
+	.description = "bitmask support",
+};
+
 void _init(void);
 void _init(void)
 {
@@ -486,4 +571,5 @@ void _init(void)
 	ipset_type_add(&ipset_hash_ip3);
 	ipset_type_add(&ipset_hash_ip4);
 	ipset_type_add(&ipset_hash_ip5);
+	ipset_type_add(&ipset_hash_ip6);
 }
-- 
2.25.1




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