[PATCH xtables 04/10] xtables-compat: ebtables: kill ebtables_command_state

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Use iptables_command_state instead.
This allows to re-use code from the ip(6)tables layer and
reduces cop&pasted code.

Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
---
 iptables/nft-bridge.c           | 190 ++++++++++++++++------------------------
 iptables/nft-bridge.h           |  56 +-----------
 iptables/nft-shared.c           |   7 +-
 iptables/nft-shared.h           |   1 -
 iptables/xshared.h              |  35 ++++++++
 iptables/xtables-eb-translate.c |  54 ++++++------
 iptables/xtables-eb.c           |  60 ++++++-------
 7 files changed, 172 insertions(+), 231 deletions(-)

diff --git a/iptables/nft-bridge.c b/iptables/nft-bridge.c
index 0ff1ec1c6f77..1887586c8428 100644
--- a/iptables/nft-bridge.c
+++ b/iptables/nft-bridge.c
@@ -22,7 +22,7 @@
 #include "nft-bridge.h"
 #include "nft.h"
 
-void ebt_cs_clean(struct ebtables_command_state *cs)
+void ebt_cs_clean(struct iptables_command_state *cs)
 {
 	struct ebt_match *m, *nm;
 
@@ -131,7 +131,7 @@ static void add_logical_outiface(struct nftnl_rule *r, char *iface, uint32_t op)
 /* TODO: Use generic add_action() once we convert this to use
  * iptables_command_state.
  */
-static int _add_action(struct nftnl_rule *r, struct ebtables_command_state *cs)
+static int _add_action(struct nftnl_rule *r, struct iptables_command_state *cs)
 {
 	int ret = 0;
 
@@ -159,9 +159,9 @@ static int _add_action(struct nftnl_rule *r, struct ebtables_command_state *cs)
 
 static int nft_bridge_add(struct nftnl_rule *r, void *data)
 {
-	struct ebtables_command_state *cs = data;
+	struct iptables_command_state *cs = data;
 	struct ebt_match *iter;
-	struct ebt_entry *fw = &cs->fw;
+	struct ebt_entry *fw = &cs->eb;
 	uint32_t op;
 	char *addr;
 
@@ -233,8 +233,8 @@ static int nft_bridge_add(struct nftnl_rule *r, void *data)
 static void nft_bridge_parse_meta(struct nft_xt_ctx *ctx,
 				  struct nftnl_expr *e, void *data)
 {
-	struct ebtables_command_state *cs = data;
-	struct ebt_entry *fw = &cs->fw;
+	struct iptables_command_state *cs = data;
+	struct ebt_entry *fw = &cs->eb;
 	uint8_t flags = 0;
 	int iface = 0;
 	const void *ifname;
@@ -287,8 +287,8 @@ out:
 static void nft_bridge_parse_payload(struct nft_xt_ctx *ctx,
 				     struct nftnl_expr *e, void *data)
 {
-	struct ebtables_command_state *cs = data;
-	struct ebt_entry *fw = &cs->fw;
+	struct iptables_command_state *cs = data;
+	struct ebt_entry *fw = &cs->eb;
 	unsigned char addr[ETH_ALEN];
 	unsigned short int ethproto;
 	bool inv;
@@ -334,7 +334,7 @@ static void nft_bridge_parse_payload(struct nft_xt_ctx *ctx,
 static void nft_bridge_parse_immediate(const char *jumpto, bool nft_goto,
 				       void *data)
 {
-	struct ebtables_command_state *cs = data;
+	struct iptables_command_state *cs = data;
 
 	cs->jumpto = jumpto;
 }
@@ -362,14 +362,14 @@ static void parse_watcher(void *object, struct ebt_match **match_list,
 
 static void nft_bridge_parse_match(struct xtables_match *m, void *data)
 {
-	struct ebtables_command_state *cs = data;
+	struct iptables_command_state *cs = data;
 
 	parse_watcher(m, &cs->match_list, true);
 }
 
 static void nft_bridge_parse_target(struct xtables_target *t, void *data)
 {
-	struct ebtables_command_state *cs = data;
+	struct iptables_command_state *cs = data;
 
 	/* harcoded names :-( */
 	if (strcmp(t->name, "log") == 0 ||
@@ -381,55 +381,11 @@ static void nft_bridge_parse_target(struct xtables_target *t, void *data)
 	cs->target = t;
 }
 
-void nft_rule_to_ebtables_command_state(struct nftnl_rule *r,
-					struct ebtables_command_state *cs)
+static void nft_rule_to_ebtables_command_state(struct nftnl_rule *r,
+					       struct iptables_command_state *cs)
 {
-	struct nftnl_expr_iter *iter;
-	struct nftnl_expr *expr;
-	int family = nftnl_rule_get_u32(r, NFTNL_RULE_FAMILY);
-	struct nft_xt_ctx ctx = {
-		.state.cs_eb = cs,
-		.family = family,
-	};
-
-	iter = nftnl_expr_iter_create(r);
-	if (iter == NULL)
-		return;
-
-	expr = nftnl_expr_iter_next(iter);
-	while (expr != NULL) {
-		const char *name =
-			nftnl_expr_get_str(expr, NFTNL_EXPR_NAME);
-
-		if (strcmp(name, "counter") == 0)
-			nft_parse_counter(expr, &cs->counters);
-		else if (strcmp(name, "payload") == 0)
-			nft_parse_payload(&ctx, expr);
-		else if (strcmp(name, "meta") == 0)
-			nft_parse_meta(&ctx, expr);
-                else if (strcmp(name, "bitwise") == 0)
-                        nft_parse_bitwise(&ctx, expr);
-		else if (strcmp(name, "cmp") == 0)
-			nft_parse_cmp(&ctx, expr);
-		else if (strcmp(name, "immediate") == 0)
-			nft_parse_immediate(&ctx, expr);
-		else if (strcmp(name, "match") == 0)
-			nft_parse_match(&ctx, expr);
-		else if (strcmp(name, "target") == 0)
-			nft_parse_target(&ctx, expr);
-
-		expr = nftnl_expr_iter_next(iter);
-	}
-
-	nftnl_expr_iter_destroy(iter);
-
-	if (cs->jumpto != NULL)
-		return;
-
-	if (cs->target != NULL && cs->target->name != NULL)
-		cs->target = xtables_find_target(cs->target->name, XTF_TRY_LOAD);
-	else
-		cs->jumpto = "CONTINUE";
+	cs->eb.bitmask = EBT_NOPROTO;
+	nft_rule_to_iptables_command_state(r, cs);
 }
 
 static void print_iface(const char *iface)
@@ -463,7 +419,7 @@ static void nft_bridge_print_firewall(struct nftnl_rule *r, unsigned int num,
 	struct xtables_match *matchp;
 	struct xtables_target *watcherp;
 	struct ebt_match *m;
-	struct ebtables_command_state cs = {};
+	struct iptables_command_state cs = {};
 	char *addr;
 
 	nft_rule_to_ebtables_command_state(r, &cs);
@@ -473,67 +429,67 @@ static void nft_bridge_print_firewall(struct nftnl_rule *r, unsigned int num,
 
 	/* Dont print anything about the protocol if no protocol was
 	 * specified, obviously this means any protocol will do. */
-	if (cs.fw.ethproto != 0) {
+	if (cs.eb.ethproto != 0) {
 		printf("-p ");
-		if (cs.fw.invflags & EBT_IPROTO)
+		if (cs.eb.invflags & EBT_IPROTO)
 			printf("! ");
-		if (cs.fw.bitmask & EBT_802_3)
+		if (cs.eb.bitmask & EBT_802_3)
 			printf("Length ");
 		else {
 			struct ethertypeent *ent;
 
-			ent = getethertypebynumber(ntohs(cs.fw.ethproto));
+			ent = getethertypebynumber(ntohs(cs.eb.ethproto));
 			if (!ent)
-				printf("0x%x ", ntohs(cs.fw.ethproto));
+				printf("0x%x ", ntohs(cs.eb.ethproto));
 			else
 				printf("%s ", ent->e_name);
 		}
 	}
 
-	addr = ether_ntoa((struct ether_addr *) cs.fw.sourcemac);
+	addr = ether_ntoa((struct ether_addr *) cs.eb.sourcemac);
 	if (strcmp(addr, "0:0:0:0:0:0") != 0) {
 		printf("-s ");
-		if (cs.fw.invflags & EBT_ISOURCE)
+		if (cs.eb.invflags & EBT_ISOURCE)
 			printf("! ");
-		ebt_print_mac_and_mask(cs.fw.sourcemac, cs.fw.sourcemsk);
+		ebt_print_mac_and_mask(cs.eb.sourcemac, cs.eb.sourcemsk);
 		printf(" ");
 	}
 
-	addr = ether_ntoa((struct ether_addr *) cs.fw.destmac);
+	addr = ether_ntoa((struct ether_addr *) cs.eb.destmac);
 	if (strcmp(addr, "0:0:0:0:0:0") != 0) {
 		printf("-d ");
-		if (cs.fw.invflags & EBT_IDEST)
+		if (cs.eb.invflags & EBT_IDEST)
 			printf("! ");
-		ebt_print_mac_and_mask(cs.fw.destmac, cs.fw.destmsk);
+		ebt_print_mac_and_mask(cs.eb.destmac, cs.eb.destmsk);
 		printf(" ");
 	}
 
-	if (cs.fw.in[0] != '\0') {
+	if (cs.eb.in[0] != '\0') {
 		printf("-i ");
-		if (cs.fw.invflags & EBT_IIN)
+		if (cs.eb.invflags & EBT_IIN)
 			printf("! ");
-		print_iface(cs.fw.in);
+		print_iface(cs.eb.in);
 	}
 
-	if (cs.fw.logical_in[0] != '\0') {
+	if (cs.eb.logical_in[0] != '\0') {
 		printf("--logical-in ");
-		if (cs.fw.invflags & EBT_ILOGICALIN)
+		if (cs.eb.invflags & EBT_ILOGICALIN)
 			printf("! ");
-		print_iface(cs.fw.logical_in);
+		print_iface(cs.eb.logical_in);
 	}
 
-	if (cs.fw.logical_out[0] != '\0') {
+	if (cs.eb.logical_out[0] != '\0') {
 		printf("--logical-out ");
-		if (cs.fw.invflags & EBT_ILOGICALOUT)
+		if (cs.eb.invflags & EBT_ILOGICALOUT)
 			printf("! ");
-		print_iface(cs.fw.logical_out);
+		print_iface(cs.eb.logical_out);
 	}
 
-	if (cs.fw.out[0] != '\0') {
+	if (cs.eb.out[0] != '\0') {
 		printf("-o ");
-		if (cs.fw.invflags & EBT_IOUT)
+		if (cs.eb.invflags & EBT_IOUT)
 			printf("! ");
-		print_iface(cs.fw.out);
+		print_iface(cs.eb.out);
 	}
 
 	for (m = cs.match_list; m; m = m->next) {
@@ -554,8 +510,12 @@ static void nft_bridge_print_firewall(struct nftnl_rule *r, unsigned int num,
 
 	printf("-j ");
 
-	if (cs.jumpto != NULL)
-		printf("%s", cs.jumpto);
+	if (cs.jumpto != NULL) {
+		if (strcmp(cs.jumpto, "") != 0)
+			printf("%s", cs.jumpto);
+		else
+			printf("CONTINUE");
+	}
 	else if (cs.target != NULL && cs.target->print != NULL)
 		cs.target->print(&cs.fw, cs.target->t, format & FMT_NUMERIC);
 
@@ -623,8 +583,8 @@ static bool nft_bridge_is_same(const void *data_a, const void *data_b)
 static bool nft_bridge_rule_find(struct nft_family_ops *ops, struct nftnl_rule *r,
 				 void *data)
 {
-	struct ebtables_command_state *cs = data;
-	struct ebtables_command_state this = {};
+	struct iptables_command_state *cs = data;
+	struct iptables_command_state this = {};
 
 	nft_rule_to_ebtables_command_state(r, &this);
 
@@ -651,7 +611,7 @@ static bool nft_bridge_rule_find(struct nft_family_ops *ops, struct nftnl_rule *
 	return true;
 }
 
-static int xlate_ebmatches(const struct ebtables_command_state *cs, struct xt_xlate *xl)
+static int xlate_ebmatches(const struct iptables_command_state *cs, struct xt_xlate *xl)
 {
 	int ret = 1, numeric = cs->options & OPT_NUMERIC;
 	struct ebt_match *m;
@@ -660,7 +620,7 @@ static int xlate_ebmatches(const struct ebtables_command_state *cs, struct xt_xl
 		if (m->ismatch) {
 			struct xtables_match *matchp = m->u.match;
 			struct xt_xlate_mt_params mt_params = {
-				.ip		= (const void *)&cs->fw,
+				.ip		= (const void *)&cs->eb,
 				.numeric	= numeric,
 				.escape_quotes	= false,
 				.match		= matchp->m,
@@ -673,7 +633,7 @@ static int xlate_ebmatches(const struct ebtables_command_state *cs, struct xt_xl
 		} else {
 			struct xtables_target *watcherp = m->u.watcher;
 			struct xt_xlate_tg_params wt_params = {
-				.ip		= (const void *)&cs->fw,
+				.ip		= (const void *)&cs->eb,
 				.numeric	= numeric,
 				.escape_quotes	= false,
 				.target		= watcherp->t,
@@ -692,7 +652,7 @@ static int xlate_ebmatches(const struct ebtables_command_state *cs, struct xt_xl
 	return ret;
 }
 
-static int xlate_ebaction(const struct ebtables_command_state *cs, struct xt_xlate *xl)
+static int xlate_ebaction(const struct iptables_command_state *cs, struct xt_xlate *xl)
 {
 	int ret = 1, numeric = cs->options & OPT_NUMERIC;
 
@@ -708,7 +668,7 @@ static int xlate_ebaction(const struct ebtables_command_state *cs, struct xt_xla
 		else if (cs->target->xlate) {
 			xt_xlate_add(xl, " ");
 			struct xt_xlate_tg_params params = {
-				.ip		= (const void *)&cs->fw,
+				.ip		= (const void *)&cs->eb,
 				.target		= cs->target->t,
 				.numeric	= numeric,
 			};
@@ -726,51 +686,51 @@ static int xlate_ebaction(const struct ebtables_command_state *cs, struct xt_xla
 
 static int nft_bridge_xlate(const void *data, struct xt_xlate *xl)
 {
-	const struct ebtables_command_state *cs = data;
+	const struct iptables_command_state *cs = data;
 	char one_msk[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	char zero_msk[ETH_ALEN] = {};
 	const char *addr;
 	int ret;
 
-	xlate_ifname(xl, "iifname", cs->fw.in,
-		     cs->fw.invflags & EBT_IIN);
-	xlate_ifname(xl, "oifname", cs->fw.out,
-		     cs->fw.invflags & EBT_IOUT);
+	xlate_ifname(xl, "iifname", cs->eb.in,
+		     cs->eb.invflags & EBT_IIN);
+	xlate_ifname(xl, "oifname", cs->eb.out,
+		     cs->eb.invflags & EBT_IOUT);
 
-	xlate_ifname(xl, "meta ibridgename", cs->fw.logical_in,
-		     cs->fw.invflags & EBT_ILOGICALIN);
-	xlate_ifname(xl, "meta obridgename", cs->fw.logical_out,
-		     cs->fw.invflags & EBT_ILOGICALOUT);
+	xlate_ifname(xl, "meta ibridgename", cs->eb.logical_in,
+		     cs->eb.invflags & EBT_ILOGICALIN);
+	xlate_ifname(xl, "meta obridgename", cs->eb.logical_out,
+		     cs->eb.invflags & EBT_ILOGICALOUT);
 
-	if (cs->fw.ethproto != 0) {
+	if (cs->eb.ethproto != 0) {
 		xt_xlate_add(xl, "ether type %s 0x%x ",
-			     cs->fw.invflags & EBT_IPROTO ? "!= " : "",
-			     ntohs(cs->fw.ethproto));
+			     cs->eb.invflags & EBT_IPROTO ? "!= " : "",
+			     ntohs(cs->eb.ethproto));
 	}
 
-	if (cs->fw.bitmask & EBT_802_3)
+	if (cs->eb.bitmask & EBT_802_3)
 		return 0;
 
-	if (memcmp(cs->fw.sourcemac, zero_msk, sizeof(cs->fw.sourcemac))) {
-		addr = ether_ntoa((struct ether_addr *) cs->fw.sourcemac);
+	if (memcmp(cs->eb.sourcemac, zero_msk, sizeof(cs->eb.sourcemac))) {
+		addr = ether_ntoa((struct ether_addr *) cs->eb.sourcemac);
 
 		xt_xlate_add(xl, "ether saddr %s%s ",
-			     cs->fw.invflags & EBT_ISOURCE ? "!= " : "", addr);
+			     cs->eb.invflags & EBT_ISOURCE ? "!= " : "", addr);
 
-		if (memcmp(cs->fw.sourcemsk, one_msk, sizeof(cs->fw.sourcemsk))) {
-			addr = ether_ntoa((struct ether_addr *) cs->fw.sourcemsk);
+		if (memcmp(cs->eb.sourcemsk, one_msk, sizeof(cs->eb.sourcemsk))) {
+			addr = ether_ntoa((struct ether_addr *) cs->eb.sourcemsk);
 			xt_xlate_add(xl, "and %s ", addr);
 		}
 	}
 
-	if (memcmp(cs->fw.destmac, zero_msk, sizeof(cs->fw.destmac))) {
-		addr = ether_ntoa((struct ether_addr *) cs->fw.destmac);
+	if (memcmp(cs->eb.destmac, zero_msk, sizeof(cs->eb.destmac))) {
+		addr = ether_ntoa((struct ether_addr *) cs->eb.destmac);
 
 		xt_xlate_add(xl, "ether daddr %s %s ",
-			     cs->fw.invflags & EBT_ISOURCE ? "!= " : "", addr);
+			     cs->eb.invflags & EBT_ISOURCE ? "!= " : "", addr);
 
-		if (memcmp(cs->fw.destmsk, one_msk, sizeof(cs->fw.destmsk))) {
-			addr = ether_ntoa((struct ether_addr *) cs->fw.destmsk);
+		if (memcmp(cs->eb.destmsk, one_msk, sizeof(cs->eb.destmsk))) {
+			addr = ether_ntoa((struct ether_addr *) cs->eb.destmsk);
 			xt_xlate_add(xl, "and %s ", addr);
 		}
 	}
diff --git a/iptables/nft-bridge.h b/iptables/nft-bridge.h
index 9217d6330475..3ee04640f162 100644
--- a/iptables/nft-bridge.h
+++ b/iptables/nft-bridge.h
@@ -70,57 +70,7 @@ int ebt_get_mac_and_mask(const char *from, unsigned char *to, unsigned char *mas
  */
 #define EBT_VERDICT_BITS 0x0000000F
 
-/* Fake ebt_entry */
-struct ebt_entry {
-	/* this needs to be the first field */
-	unsigned int bitmask;
-	unsigned int invflags;
-	uint16_t ethproto;
-	/* the physical in-dev */
-	char in[IFNAMSIZ];
-	/* the logical in-dev */
-	char logical_in[IFNAMSIZ];
-	/* the physical out-dev */
-	char out[IFNAMSIZ];
-	/* the logical out-dev */
-	char logical_out[IFNAMSIZ];
-	unsigned char sourcemac[ETH_ALEN];
-	unsigned char sourcemsk[ETH_ALEN];
-	unsigned char destmac[ETH_ALEN];
-	unsigned char destmsk[ETH_ALEN];
-
-	unsigned char in_mask[IFNAMSIZ];
-	unsigned char out_mask[IFNAMSIZ];
-};
-
-/* trick for ebtables-compat, since watchers are targets */
-struct ebt_match {
-	struct ebt_match				*next;
-	union {
-		struct xtables_match		*match;
-		struct xtables_target		*watcher;
-	} u;
-	bool					ismatch;
-};
-
-struct ebtables_command_state {
-	struct ebt_entry fw;
-	struct xtables_target *target;
-	struct xtables_rule_match *matches;
-	struct ebt_match *match_list;
-	const char *jumpto;
-	struct xt_counters counters;
-	int invert;
-	int c;
-	char **argv;
-	int proto_used;
-	char *protocol;
-	unsigned int options;
-};
-
 struct nftnl_rule;
-void nft_rule_to_ebtables_command_state(struct nftnl_rule *r,
-					struct ebtables_command_state *cs);
 
 static const char *ebt_standard_targets[NUM_STANDARD_TARGETS] = {
 	"ACCEPT",
@@ -167,11 +117,11 @@ static inline const char *ebt_target_name(unsigned int verdict)
 	*flags |= mask;						\
 })								\
 
-void ebt_cs_clean(struct ebtables_command_state *cs);
+void ebt_cs_clean(struct iptables_command_state *cs);
 void ebt_load_match_extensions(void);
 void ebt_add_match(struct xtables_match *m,
-			  struct ebtables_command_state *cs);
+			  struct iptables_command_state *cs);
 void ebt_add_watcher(struct xtables_target *watcher,
-                     struct ebtables_command_state *cs);
+                     struct iptables_command_state *cs);
 
 #endif
diff --git a/iptables/nft-shared.c b/iptables/nft-shared.c
index ecc54024b00b..76fd8e495c21 100644
--- a/iptables/nft-shared.c
+++ b/iptables/nft-shared.c
@@ -294,11 +294,10 @@ static void *nft_get_data(struct nft_xt_ctx *ctx)
 	switch(ctx->family) {
 	case NFPROTO_IPV4:
 	case NFPROTO_IPV6:
+	case NFPROTO_BRIDGE:
 		return ctx->state.cs;
 	case NFPROTO_ARP:
 		return ctx->state.cs_arp;
-	case NFPROTO_BRIDGE:
-		return ctx->state.cs_eb;
 	default:
 		/* Should not happen */
 		return NULL;
@@ -351,10 +350,8 @@ void nft_parse_match(struct nft_xt_ctx *ctx, struct nftnl_expr *e)
 	switch (ctx->family) {
 	case NFPROTO_IPV4:
 	case NFPROTO_IPV6:
-		matches = &ctx->state.cs->matches;
-		break;
 	case NFPROTO_BRIDGE:
-		matches = &ctx->state.cs_eb->matches;
+		matches = &ctx->state.cs->matches;
 		break;
 	default:
 		fprintf(stderr, "BUG: nft_parse_match() unknown family %d\n",
diff --git a/iptables/nft-shared.h b/iptables/nft-shared.h
index 34027af931ec..0108b7f976c1 100644
--- a/iptables/nft-shared.h
+++ b/iptables/nft-shared.h
@@ -49,7 +49,6 @@ struct nft_xt_ctx {
 	union {
 		struct iptables_command_state *cs;
 		struct arptables_command_state *cs_arp;
-		struct ebtables_command_state *cs_eb;
 	} state;
 	struct nftnl_expr_iter *iter;
 	int family;
diff --git a/iptables/xshared.h b/iptables/xshared.h
index 7e6d0859314c..cec5a08a410a 100644
--- a/iptables/xshared.h
+++ b/iptables/xshared.h
@@ -48,8 +48,42 @@ struct xtables_afinfo {
 	int so_rev_target;
 };
 
+/* trick for ebtables-compat, since watchers are targets */
+struct ebt_match {
+	struct ebt_match			*next;
+	union {
+		struct xtables_match		*match;
+		struct xtables_target		*watcher;
+	} u;
+	bool					ismatch;
+};
+
+/* Fake ebt_entry */
+struct ebt_entry {
+	/* this needs to be the first field */
+	unsigned int bitmask;
+	unsigned int invflags;
+	uint16_t ethproto;
+	/* the physical in-dev */
+	char in[IFNAMSIZ];
+	/* the logical in-dev */
+	char logical_in[IFNAMSIZ];
+	/* the physical out-dev */
+	char out[IFNAMSIZ];
+	/* the logical out-dev */
+	char logical_out[IFNAMSIZ];
+	unsigned char sourcemac[6];
+	unsigned char sourcemsk[6];
+	unsigned char destmac[6];
+	unsigned char destmsk[6];
+
+	unsigned char in_mask[IFNAMSIZ];
+	unsigned char out_mask[IFNAMSIZ];
+};
+
 struct iptables_command_state {
 	union {
+		struct ebt_entry eb;
 		struct ipt_entry fw;
 		struct ip6t_entry fw6;
 	};
@@ -57,6 +91,7 @@ struct iptables_command_state {
 	int c;
 	unsigned int options;
 	struct xtables_rule_match *matches;
+	struct ebt_match *match_list;
 	struct xtables_target *target;
 	struct xt_counters counters;
 	char *protocol;
diff --git a/iptables/xtables-eb-translate.c b/iptables/xtables-eb-translate.c
index 42db2d01ff49..5b0bbb41f543 100644
--- a/iptables/xtables-eb-translate.c
+++ b/iptables/xtables-eb-translate.c
@@ -165,7 +165,7 @@ static struct option *merge_options(struct option *oldopts,
 /*
  * More glue code.
  */
-static struct xtables_target *command_jump(struct ebtables_command_state *cs,
+static struct xtables_target *command_jump(struct iptables_command_state *cs,
 					   const char *jumpto)
 {
 	struct xtables_target *target;
@@ -234,7 +234,7 @@ static int parse_rule_range(const char *argv, int *rule_nr, int *rule_nr_end)
 /* Incrementing or decrementing rules in daemon mode is not supported as the
  * involved code overload is not worth it (too annoying to take the increased
  * counters in the kernel into account). */
-static int parse_change_counters_rule(int argc, char **argv, int *rule_nr, int *rule_nr_end, int exec_style, struct ebtables_command_state *cs)
+static int parse_change_counters_rule(int argc, char **argv, int *rule_nr, int *rule_nr_end, int exec_style, struct iptables_command_state *cs)
 {
 	char *buffer;
 	int ret = 0;
@@ -321,7 +321,7 @@ static void print_ebt_cmd(int argc, char *argv[])
 }
 
 static int nft_rule_eb_xlate_add(struct nft_handle *h, const struct nft_xt_cmd_parse *p,
-				 const struct ebtables_command_state *cs, bool append)
+				 const struct iptables_command_state *cs, bool append)
 {
 	struct xt_xlate *xl = xt_xlate_alloc(10240);
 	int ret;
@@ -352,7 +352,7 @@ static int do_commandeb_xlate(struct nft_handle *h, int argc, char *argv[], char
 	unsigned int flags = 0;
 	struct xtables_target *t, *w;
 	struct xtables_match *m;
-	struct ebtables_command_state cs;
+	struct iptables_command_state cs;
 	char command = 'h';
 	const char *chain = NULL;
 	int exec_style = EXEC_STYLE_PRG;
@@ -537,14 +537,14 @@ print_zero:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use -i only in INPUT, FORWARD, PREROUTING and BROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_IIN;
+					cs.eb.invflags |= EBT_IIN;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Interface name length cannot exceed %d characters",
 						      IFNAMSIZ - 1);
-				xtables_parse_interface(optarg, cs.fw.in, cs.fw.in_mask);
+				xtables_parse_interface(optarg, cs.eb.in, cs.eb.in_mask);
 				break;
 			} else if (c == 2) {
 				ebt_check_option2(&flags, OPT_LOGICALIN);
@@ -552,12 +552,12 @@ big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use --logical-in only in INPUT, FORWARD, PREROUTING and BROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_ILOGICALIN;
+					cs.eb.invflags |= EBT_ILOGICALIN;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 					goto big_iface_length;
-				strcpy(cs.fw.logical_in, optarg);
-				if (parse_iface(cs.fw.logical_in, "--logical-in"))
+				strcpy(cs.eb.logical_in, optarg);
+				if (parse_iface(cs.eb.logical_in, "--logical-in"))
 					return -1;
 				break;
 			} else if (c == 'o') {
@@ -566,12 +566,12 @@ big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use -o only in OUTPUT, FORWARD and POSTROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_IOUT;
+					cs.eb.invflags |= EBT_IOUT;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 					goto big_iface_length;
 
-				xtables_parse_interface(optarg, cs.fw.out, cs.fw.out_mask);
+				xtables_parse_interface(optarg, cs.eb.out, cs.eb.out_mask);
 				break;
 			} else if (c == 3) {
 				ebt_check_option2(&flags, OPT_LOGICALOUT);
@@ -579,12 +579,12 @@ big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use --logical-out only in OUTPUT, FORWARD and POSTROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_ILOGICALOUT;
+					cs.eb.invflags |= EBT_ILOGICALOUT;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 					goto big_iface_length;
-				strcpy(cs.fw.logical_out, optarg);
-				if (parse_iface(cs.fw.logical_out, "--logical-out"))
+				strcpy(cs.eb.logical_out, optarg);
+				if (parse_iface(cs.eb.logical_out, "--logical-out"))
 					return -1;
 				break;
 			} else if (c == 'j') {
@@ -595,20 +595,20 @@ big_iface_length:
 			} else if (c == 's') {
 				ebt_check_option2(&flags, OPT_SOURCE);
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_ISOURCE;
+					cs.eb.invflags |= EBT_ISOURCE;
 
-				if (ebt_get_mac_and_mask(optarg, cs.fw.sourcemac, cs.fw.sourcemsk))
+				if (ebt_get_mac_and_mask(optarg, cs.eb.sourcemac, cs.eb.sourcemsk))
 					xtables_error(PARAMETER_PROBLEM, "Problem with specified source mac '%s'", optarg);
-				cs.fw.bitmask |= EBT_SOURCEMAC;
+				cs.eb.bitmask |= EBT_SOURCEMAC;
 				break;
 			} else if (c == 'd') {
 				ebt_check_option2(&flags, OPT_DEST);
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_IDEST;
+					cs.eb.invflags |= EBT_IDEST;
 
-				if (ebt_get_mac_and_mask(optarg, cs.fw.destmac, cs.fw.destmsk))
+				if (ebt_get_mac_and_mask(optarg, cs.eb.destmac, cs.eb.destmsk))
 					xtables_error(PARAMETER_PROBLEM, "Problem with specified destination mac '%s'", optarg);
-				cs.fw.bitmask |= EBT_DESTMAC;
+				cs.eb.bitmask |= EBT_DESTMAC;
 				break;
 			} else if (c == 'c') {
 				ebt_check_option2(&flags, OPT_COUNT);
@@ -634,9 +634,9 @@ big_iface_length:
 			}
 			ebt_check_option2(&flags, OPT_PROTOCOL);
 			if (ebt_check_inverse2(optarg, argc, argv))
-				cs.fw.invflags |= EBT_IPROTO;
+				cs.eb.invflags |= EBT_IPROTO;
 
-			cs.fw.bitmask &= ~((unsigned int)EBT_NOPROTO);
+			cs.eb.bitmask &= ~((unsigned int)EBT_NOPROTO);
 			i = strtol(optarg, &buffer, 16);
 			if (*buffer == '\0' && (i < 0 || i > 0xFFFF))
 				xtables_error(PARAMETER_PROBLEM,
@@ -645,18 +645,18 @@ big_iface_length:
 				struct ethertypeent *ent;
 
 				if (!strcasecmp(optarg, "LENGTH")) {
-					cs.fw.bitmask |= EBT_802_3;
+					cs.eb.bitmask |= EBT_802_3;
 					break;
 				}
 				ent = getethertypebyname(optarg);
 				if (!ent)
 					xtables_error(PARAMETER_PROBLEM,
 						      "Problem with the specified Ethernet protocol '%s', perhaps "_PATH_ETHERTYPES " is missing", optarg);
-				cs.fw.ethproto = ent->e_ethertype;
+				cs.eb.ethproto = ent->e_ethertype;
 			} else
-				cs.fw.ethproto = i;
+				cs.eb.ethproto = i;
 
-			if (cs.fw.ethproto < 0x0600)
+			if (cs.eb.ethproto < 0x0600)
 				xtables_error(PARAMETER_PROBLEM,
 					      "Sorry, protocols have values above or equal to 0x0600");
 			break;
@@ -757,7 +757,7 @@ check_extension:
 			xtables_option_tfcall(cs.target);
 	}
 
-	cs.fw.ethproto = htons(cs.fw.ethproto);
+	cs.eb.ethproto = htons(cs.eb.ethproto);
 
 	if (command == 'P') {
 		return 0;
diff --git a/iptables/xtables-eb.c b/iptables/xtables-eb.c
index 1a95eef4e3ea..a6cb3f1fdb56 100644
--- a/iptables/xtables-eb.c
+++ b/iptables/xtables-eb.c
@@ -168,7 +168,7 @@ static int
 append_entry(struct nft_handle *h,
 	     const char *chain,
 	     const char *table,
-	     struct ebtables_command_state *cs,
+	     struct iptables_command_state *cs,
 	     int rule_nr,
 	     bool verbose, bool append)
 {
@@ -186,7 +186,7 @@ static int
 delete_entry(struct nft_handle *h,
 	     const char *chain,
 	     const char *table,
-	     struct ebtables_command_state *cs,
+	     struct iptables_command_state *cs,
 	     int rule_nr,
 	     int rule_nr_end,
 	     bool verbose)
@@ -380,7 +380,7 @@ static struct option *merge_options(struct option *oldopts,
 /*
  * More glue code.
  */
-static struct xtables_target *command_jump(struct ebtables_command_state *cs,
+static struct xtables_target *command_jump(struct iptables_command_state *cs,
 					   const char *jumpto)
 {
 	struct xtables_target *target;
@@ -524,7 +524,7 @@ static int parse_rule_range(const char *argv, int *rule_nr, int *rule_nr_end)
 /* Incrementing or decrementing rules in daemon mode is not supported as the
  * involved code overload is not worth it (too annoying to take the increased
  * counters in the kernel into account). */
-static int parse_change_counters_rule(int argc, char **argv, int *rule_nr, int *rule_nr_end, int exec_style, struct ebtables_command_state *cs)
+static int parse_change_counters_rule(int argc, char **argv, int *rule_nr, int *rule_nr_end, int exec_style, struct iptables_command_state *cs)
 {
 	char *buffer;
 	int ret = 0;
@@ -679,7 +679,7 @@ void ebt_load_match_extensions(void)
 }
 
 void ebt_add_match(struct xtables_match *m,
-		   struct ebtables_command_state *cs)
+		   struct iptables_command_state *cs)
 {
 	struct xtables_rule_match *i, **rule_matches = &cs->matches;
 	struct xtables_match *newm;
@@ -715,7 +715,7 @@ void ebt_add_match(struct xtables_match *m,
 }
 
 void ebt_add_watcher(struct xtables_target *watcher,
-		     struct ebtables_command_state *cs)
+		     struct iptables_command_state *cs)
 {
 	struct ebt_match *i, *newnode;
 
@@ -753,7 +753,7 @@ int do_commandeb(struct nft_handle *h, int argc, char *argv[], char **table)
 	unsigned int flags = 0;
 	struct xtables_target *t, *w;
 	struct xtables_match *m;
-	struct ebtables_command_state cs;
+	struct iptables_command_state cs;
 	char command = 'h';
 	const char *chain = NULL;
 	const char *policy = NULL;
@@ -1006,14 +1006,14 @@ print_zero:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use -i only in INPUT, FORWARD, PREROUTING and BROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_IIN;
+					cs.eb.invflags |= EBT_IIN;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Interface name length cannot exceed %d characters",
 						      IFNAMSIZ - 1);
-				xtables_parse_interface(optarg, cs.fw.in, cs.fw.in_mask);
+				xtables_parse_interface(optarg, cs.eb.in, cs.eb.in_mask);
 				break;
 			} else if (c == 2) {
 				ebt_check_option2(&flags, OPT_LOGICALIN);
@@ -1021,12 +1021,12 @@ big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use --logical-in only in INPUT, FORWARD, PREROUTING and BROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_ILOGICALIN;
+					cs.eb.invflags |= EBT_ILOGICALIN;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 					goto big_iface_length;
-				strcpy(cs.fw.logical_in, optarg);
-				if (parse_iface(cs.fw.logical_in, "--logical-in"))
+				strcpy(cs.eb.logical_in, optarg);
+				if (parse_iface(cs.eb.logical_in, "--logical-in"))
 					return -1;
 				break;
 			} else if (c == 'o') {
@@ -1035,12 +1035,12 @@ big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use -o only in OUTPUT, FORWARD and POSTROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_IOUT;
+					cs.eb.invflags |= EBT_IOUT;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 					goto big_iface_length;
 
-				xtables_parse_interface(optarg, cs.fw.out, cs.fw.out_mask);
+				xtables_parse_interface(optarg, cs.eb.out, cs.eb.out_mask);
 				break;
 			} else if (c == 3) {
 				ebt_check_option2(&flags, OPT_LOGICALOUT);
@@ -1048,12 +1048,12 @@ big_iface_length:
 					xtables_error(PARAMETER_PROBLEM,
 						      "Use --logical-out only in OUTPUT, FORWARD and POSTROUTING chains");
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_ILOGICALOUT;
+					cs.eb.invflags |= EBT_ILOGICALOUT;
 
 				if (strlen(optarg) >= IFNAMSIZ)
 					goto big_iface_length;
-				strcpy(cs.fw.logical_out, optarg);
-				if (parse_iface(cs.fw.logical_out, "--logical-out"))
+				strcpy(cs.eb.logical_out, optarg);
+				if (parse_iface(cs.eb.logical_out, "--logical-out"))
 					return -1;
 				break;
 			} else if (c == 'j') {
@@ -1064,20 +1064,20 @@ big_iface_length:
 			} else if (c == 's') {
 				ebt_check_option2(&flags, OPT_SOURCE);
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_ISOURCE;
+					cs.eb.invflags |= EBT_ISOURCE;
 
-				if (ebt_get_mac_and_mask(optarg, cs.fw.sourcemac, cs.fw.sourcemsk))
+				if (ebt_get_mac_and_mask(optarg, cs.eb.sourcemac, cs.eb.sourcemsk))
 					xtables_error(PARAMETER_PROBLEM, "Problem with specified source mac '%s'", optarg);
-				cs.fw.bitmask |= EBT_SOURCEMAC;
+				cs.eb.bitmask |= EBT_SOURCEMAC;
 				break;
 			} else if (c == 'd') {
 				ebt_check_option2(&flags, OPT_DEST);
 				if (ebt_check_inverse2(optarg, argc, argv))
-					cs.fw.invflags |= EBT_IDEST;
+					cs.eb.invflags |= EBT_IDEST;
 
-				if (ebt_get_mac_and_mask(optarg, cs.fw.destmac, cs.fw.destmsk))
+				if (ebt_get_mac_and_mask(optarg, cs.eb.destmac, cs.eb.destmsk))
 					xtables_error(PARAMETER_PROBLEM, "Problem with specified destination mac '%s'", optarg);
-				cs.fw.bitmask |= EBT_DESTMAC;
+				cs.eb.bitmask |= EBT_DESTMAC;
 				break;
 			} else if (c == 'c') {
 				ebt_check_option2(&flags, OPT_COUNT);
@@ -1103,9 +1103,9 @@ big_iface_length:
 			}
 			ebt_check_option2(&flags, OPT_PROTOCOL);
 			if (ebt_check_inverse2(optarg, argc, argv))
-				cs.fw.invflags |= EBT_IPROTO;
+				cs.eb.invflags |= EBT_IPROTO;
 
-			cs.fw.bitmask &= ~((unsigned int)EBT_NOPROTO);
+			cs.eb.bitmask &= ~((unsigned int)EBT_NOPROTO);
 			i = strtol(optarg, &buffer, 16);
 			if (*buffer == '\0' && (i < 0 || i > 0xFFFF))
 				xtables_error(PARAMETER_PROBLEM,
@@ -1114,18 +1114,18 @@ big_iface_length:
 				struct ethertypeent *ent;
 
 				if (!strcasecmp(optarg, "LENGTH")) {
-					cs.fw.bitmask |= EBT_802_3;
+					cs.eb.bitmask |= EBT_802_3;
 					break;
 				}
 				ent = getethertypebyname(optarg);
 				if (!ent)
 					xtables_error(PARAMETER_PROBLEM,
 						      "Problem with the specified Ethernet protocol '%s', perhaps "_PATH_ETHERTYPES " is missing", optarg);
-				cs.fw.ethproto = ent->e_ethertype;
+				cs.eb.ethproto = ent->e_ethertype;
 			} else
-				cs.fw.ethproto = i;
+				cs.eb.ethproto = i;
 
-			if (cs.fw.ethproto < 0x0600)
+			if (cs.eb.ethproto < 0x0600)
 				xtables_error(PARAMETER_PROBLEM,
 					      "Sorry, protocols have values above or equal to 0x0600");
 			break;
@@ -1331,7 +1331,7 @@ check_extension:
 	}
 	/* So, the extensions can work with the host endian.
 	 * The kernel does not have to do this of course */
-	cs.fw.ethproto = htons(cs.fw.ethproto);
+	cs.eb.ethproto = htons(cs.eb.ethproto);
 
 	if (command == 'P') {
 		if (selected_chain < 0) {
-- 
2.16.1

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