netlink: pass cmd object to netlink function calls

Simplify function footprint.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

3 files changed, 129 insertions, 163 deletions

diff --git a/include/netlink.h b/include/netlink.h
index 240441dd..81eaaa25 100644
--- a/include/netlink.h
+++ b/include/netlink.h
@@ -115,48 +115,42 @@ extern int netlink_add_rule(struct netlink_ctx *ctx, const struct handle *h,
 extern int netlink_delete_rule(struct netlink_ctx *ctx, const struct handle *h,
 			       const struct location *loc);
 extern int netlink_add_rule_batch(struct netlink_ctx *ctx,
-				  const struct handle *h,
-				  const struct rule *rule, uint32_t flags);
+				  const struct cmd *cmd,
+				  uint32_t flags);
 extern int netlink_del_rule_batch(struct netlink_ctx *ctx,
-				  const struct handle *h,
-				  const struct location *loc);
+				  const struct cmd *cmd);
 extern int netlink_replace_rule_batch(struct netlink_ctx *ctx,
+				      const struct cmd *cmd);
+
+extern int netlink_add_chain_batch(struct netlink_ctx *ctx,
+				   const struct cmd *cmd, uint32_t flags);
+extern int netlink_rename_chain_batch(struct netlink_ctx *ctx,
 				      const struct handle *h,
-				      const struct rule *rule,
-				      const struct location *loc);
-
-extern int netlink_add_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
-			     const struct location *loc,
-			     const struct chain *chain, uint32_t flags);
-extern int netlink_rename_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
-				const struct location *loc, const char *name);
-extern int netlink_delete_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
-				const struct location *loc);
+				      const struct cmd *cmd);
+extern int netlink_delete_chain_batch(struct netlink_ctx *ctx,
+				      const struct cmd *cmd);
 extern int netlink_list_chains(struct netlink_ctx *ctx, const struct handle *h,
 			       const struct location *loc);
-extern int netlink_flush_chain(struct netlink_ctx *ctx, const struct handle *h,
-			       const struct location *loc);
+extern int netlink_flush_chain(struct netlink_ctx *ctx, const struct cmd *cmd);
 extern struct chain *netlink_delinearize_chain(struct netlink_ctx *ctx,
 					       const struct nftnl_chain *nlc);
 
-extern int netlink_add_table_batch(struct netlink_ctx *ctx, const struct handle *h,
-			     const struct location *loc,
-			     const struct table *table, uint32_t flags);
-extern int netlink_delete_table_batch(struct netlink_ctx *ctx, const struct handle *h,
-				const struct location *loc);
+extern int netlink_add_table_batch(struct netlink_ctx *ctx,
+				   const struct cmd *cmd, uint32_t flags);
+extern int netlink_delete_table_batch(struct netlink_ctx *ctx,
+				      const struct cmd *cmd);
 extern int netlink_list_tables(struct netlink_ctx *ctx, const struct handle *h,
 			       const struct location *loc);
 extern int netlink_list_table(struct netlink_ctx *ctx, const struct handle *h,
 			      const struct location *loc);
-extern int netlink_flush_table(struct netlink_ctx *ctx, const struct handle *h,
-			       const struct location *loc);
+extern int netlink_flush_table(struct netlink_ctx *ctx, const struct cmd *cmd);
 extern struct table *netlink_delinearize_table(struct netlink_ctx *ctx,
 					       const struct nftnl_table *nlt);
 
-extern int netlink_add_set_batch(struct netlink_ctx *ctx, const struct handle *h,
-			   struct set *set, uint32_t flags);
-extern int netlink_delete_set_batch(struct netlink_ctx *ctx, const struct handle *h,
-			      const struct location *loc);
+extern int netlink_add_set_batch(struct netlink_ctx *ctx, const struct cmd *cmd,
+				 uint32_t flags);
+extern int netlink_delete_set_batch(struct netlink_ctx *ctx,
+				    const struct cmd *cmd);
 extern int netlink_list_sets(struct netlink_ctx *ctx, const struct handle *h,
 			     const struct location *loc);
 extern struct set *netlink_delinearize_set(struct netlink_ctx *ctx,
@@ -168,28 +162,26 @@ extern struct stmt *netlink_parse_set_expr(const struct set *set,
 
 extern int netlink_add_setelems_batch(struct netlink_ctx *ctx, const struct handle *h,
 				const struct expr *expr, uint32_t flags);
-extern int netlink_delete_setelems_batch(struct netlink_ctx *ctx, const struct handle *h,
-				   const struct expr *expr);
+extern int netlink_delete_setelems_batch(struct netlink_ctx *ctx,
+					 const struct cmd *cmd);
 extern int netlink_get_setelems(struct netlink_ctx *ctx, const struct handle *h,
 				const struct location *loc, struct set *set);
 extern int netlink_get_setelem(struct netlink_ctx *ctx, const struct handle *h,
 			       const struct location *loc, struct table *table,
 			       struct set *set, struct expr *init);
-extern int netlink_flush_setelems(struct netlink_ctx *ctx, const struct handle *h,
-				  const struct location *loc);
+extern int netlink_flush_setelems(struct netlink_ctx *ctx, const struct cmd *cmd);
 extern int netlink_delinearize_setelem(struct nftnl_set_elem *nlse,
 				       const struct set *set,
 				       struct nft_cache *cache);
 
 extern int netlink_list_objs(struct netlink_ctx *ctx, const struct handle *h,
 			     const struct location *loc);
-extern int netlink_reset_objs(struct netlink_ctx *ctx, const struct handle *h,
-			      const struct location *loc, uint32_t type,
-			      bool dump);
-extern int netlink_add_obj(struct netlink_ctx *ctx, const struct handle *h,
-			   struct obj *obj, uint32_t flags);
-extern int netlink_delete_obj(struct netlink_ctx *ctx, const struct handle *h,
-			      struct location *loc, uint32_t type);
+extern int netlink_reset_objs(struct netlink_ctx *ctx, const struct cmd *cmd,
+			      uint32_t type, bool dump);
+extern int netlink_add_obj(struct netlink_ctx *ctx, const struct cmd *cmd,
+			   uint32_t flags);
+extern int netlink_delete_obj(struct netlink_ctx *ctx, const struct cmd *cmd,
+			      uint32_t type);
 extern struct obj *netlink_delinearize_obj(struct netlink_ctx *ctx,
 					   struct nftnl_obj *nlo);
 
@@ -197,11 +189,9 @@ extern int netlink_list_flowtables(struct netlink_ctx *ctx,
 				   const struct handle *h,
 				   const struct location *loc);
 extern int netlink_add_flowtable(struct netlink_ctx *ctx,
-				 const struct handle *h, struct flowtable *ft,
-				 uint32_t flags);
+				 const struct cmd *cmd, uint32_t flags);
 extern int netlink_delete_flowtable(struct netlink_ctx *ctx,
-				    const struct handle *h,
-				    struct location *loc);
+				    const struct cmd *cmd);
 
 extern void netlink_dump_chain(const struct nftnl_chain *nlc,
 			       struct netlink_ctx *ctx);
@@ -226,9 +216,7 @@ extern int netlink_io_error(struct netlink_ctx *ctx,
 	__netlink_init_error(__FILE__, __LINE__, strerror(errno));
 extern void __noreturn __netlink_init_error(const char *file, int line, const char *reason);
 
-extern int netlink_flush_ruleset(struct netlink_ctx *ctx,
-				 const struct handle *h,
-				 const struct location *loc);
+extern int netlink_flush_ruleset(struct netlink_ctx *ctx, const struct cmd *cmd);
 
 extern struct nftnl_ruleset *netlink_dump_ruleset(struct netlink_ctx *ctx,
 						const struct handle *h,
diff --git a/src/netlink.c b/src/netlink.c
index 89c0b9bf..d668fa8c 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -453,10 +453,10 @@ struct expr *netlink_alloc_data(const struct location *loc,
 	}
 }
 
-int netlink_add_rule_batch(struct netlink_ctx *ctx,
-			   const struct handle *h,
-		           const struct rule *rule, uint32_t flags)
+int netlink_add_rule_batch(struct netlink_ctx *ctx, const struct cmd *cmd,
+		           uint32_t flags)
 {
+	struct rule *rule = cmd->rule;
 	struct nftnl_rule *nlr;
 	int err;
 
@@ -469,10 +469,9 @@ int netlink_add_rule_batch(struct netlink_ctx *ctx,
 	return err;
 }
 
-int netlink_replace_rule_batch(struct netlink_ctx *ctx, const struct handle *h,
-			       const struct rule *rule,
-			       const struct location *loc)
+int netlink_replace_rule_batch(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
+	struct rule *rule = cmd->rule;
 	struct nftnl_rule *nlr;
 	int err, flags = 0;
 
@@ -494,13 +493,12 @@ int netlink_replace_rule_batch(struct netlink_ctx *ctx, const struct handle *h,
 	return err;
 }
 
-int netlink_del_rule_batch(struct netlink_ctx *ctx, const struct handle *h,
-			   const struct location *loc)
+int netlink_del_rule_batch(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_rule *nlr;
 	int err;
 
-	nlr = alloc_nftnl_rule(h);
+	nlr = alloc_nftnl_rule(&cmd->handle);
 	err = mnl_nft_rule_batch_del(nlr, ctx->batch, 0, ctx->seqnum);
 	nftnl_rule_free(nlr);
 
@@ -571,10 +569,9 @@ static int netlink_list_rules(struct netlink_ctx *ctx, const struct handle *h,
 	return 0;
 }
 
-static int netlink_flush_rules(struct netlink_ctx *ctx, const struct handle *h,
-			       const struct location *loc)
+static int netlink_flush_rules(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
-	return netlink_del_rule_batch(ctx, h, loc);
+	return netlink_del_rule_batch(ctx, cmd);
 }
 
 void netlink_dump_chain(const struct nftnl_chain *nlc, struct netlink_ctx *ctx)
@@ -588,14 +585,14 @@ void netlink_dump_chain(const struct nftnl_chain *nlc, struct netlink_ctx *ctx)
 	fprintf(fp, "\n");
 }
 
-int netlink_add_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
-			    const struct location *loc,
-			    const struct chain *chain, uint32_t flags)
+int netlink_add_chain_batch(struct netlink_ctx *ctx, const struct cmd *cmd,
+			    uint32_t flags)
 {
+	struct chain *chain = cmd->chain;
 	struct nftnl_chain *nlc;
 	int err;
 
-	nlc = alloc_nftnl_chain(h);
+	nlc = alloc_nftnl_chain(&cmd->handle);
 	if (chain != NULL) {
 		if (chain->flags & CHAIN_F_BASECHAIN) {
 			nftnl_chain_set_u32(nlc, NFTNL_CHAIN_HOOKNUM,
@@ -620,11 +617,10 @@ int netlink_add_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
 	return err;
 }
 
-int netlink_rename_chain_batch(struct netlink_ctx *ctx,
-			       const struct handle *h,
-			       const struct location *loc,
-			       const char *name)
+int netlink_rename_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
+			       const struct cmd *cmd)
 {
+	const char *name = cmd->arg;
 	struct nftnl_chain *nlc;
 	int err;
 
@@ -637,13 +633,12 @@ int netlink_rename_chain_batch(struct netlink_ctx *ctx,
 	return err;
 }
 
-int netlink_delete_chain_batch(struct netlink_ctx *ctx, const struct handle *h,
-			    const struct location *loc)
+int netlink_delete_chain_batch(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_chain *nlc;
 	int err;
 
-	nlc = alloc_nftnl_chain(h);
+	nlc = alloc_nftnl_chain(&cmd->handle);
 	netlink_dump_chain(nlc, ctx);
 	err = mnl_nft_chain_batch_del(nlc, ctx->batch, 0, ctx->seqnum);
 	nftnl_chain_free(nlc);
@@ -746,22 +741,20 @@ int netlink_list_chains(struct netlink_ctx *ctx, const struct handle *h,
 				strerror(ENOENT));
 }
 
-int netlink_flush_chain(struct netlink_ctx *ctx, const struct handle *h,
-			const struct location *loc)
+int netlink_flush_chain(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
-	return netlink_del_rule_batch(ctx, h, loc);
+	return netlink_del_rule_batch(ctx, cmd);
 }
 
-int netlink_add_table_batch(struct netlink_ctx *ctx, const struct handle *h,
-			    const struct location *loc,
-			    const struct table *table, uint32_t flags)
+int netlink_add_table_batch(struct netlink_ctx *ctx, const struct cmd *cmd,
+			    uint32_t flags)
 {
 	struct nftnl_table *nlt;
 	int err;
 
-	nlt = alloc_nftnl_table(h);
-	if (table != NULL)
-		nftnl_table_set_u32(nlt, NFTNL_TABLE_FLAGS, table->flags);
+	nlt = alloc_nftnl_table(&cmd->handle);
+	if (cmd->table != NULL)
+		nftnl_table_set_u32(nlt, NFTNL_TABLE_FLAGS, cmd->table->flags);
 	else
 		nftnl_table_set_u32(nlt, NFTNL_TABLE_FLAGS, 0);
 
@@ -771,13 +764,12 @@ int netlink_add_table_batch(struct netlink_ctx *ctx, const struct handle *h,
 	return err;
 }
 
-int netlink_delete_table_batch(struct netlink_ctx *ctx, const struct handle *h,
-			    const struct location *loc)
+int netlink_delete_table_batch(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_table *nlt;
 	int err;
 
-	nlt = alloc_nftnl_table(h);
+	nlt = alloc_nftnl_table(&cmd->handle);
 	err = mnl_nft_table_batch_del(nlt, ctx->batch, 0, ctx->seqnum);
 	nftnl_table_free(nlt);
 
@@ -834,10 +826,9 @@ int netlink_list_table(struct netlink_ctx *ctx, const struct handle *h,
 	return netlink_list_rules(ctx, h, loc);
 }
 
-int netlink_flush_table(struct netlink_ctx *ctx, const struct handle *h,
-			const struct location *loc)
+int netlink_flush_table(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
-	return netlink_flush_rules(ctx, h, loc);
+	return netlink_flush_rules(ctx, cmd);
 }
 
 static enum nft_data_types dtype_map_to_kernel(const struct datatype *dtype)
@@ -990,15 +981,15 @@ struct set *netlink_delinearize_set(struct netlink_ctx *ctx,
 	return set;
 }
 
-int netlink_add_set_batch(struct netlink_ctx *ctx,
-			  const struct handle *h, struct set *set,
+int netlink_add_set_batch(struct netlink_ctx *ctx, const struct cmd *cmd,
 			  uint32_t flags)
 {
 	struct nftnl_udata_buf *udbuf;
+	struct set *set = cmd->set;
 	struct nftnl_set *nls;
 	int err;
 
-	nls = alloc_nftnl_set(h);
+	nls = alloc_nftnl_set(&cmd->handle);
 	nftnl_set_set_u32(nls, NFTNL_SET_FLAGS, set->flags);
 	nftnl_set_set_u32(nls, NFTNL_SET_KEY_TYPE,
 			  dtype_map_to_kernel(set->key->dtype));
@@ -1060,13 +1051,12 @@ int netlink_add_set_batch(struct netlink_ctx *ctx,
 	return err;
 }
 
-int netlink_delete_set_batch(struct netlink_ctx *ctx, const struct handle *h,
-			  const struct location *loc)
+int netlink_delete_set_batch(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_set *nls;
 	int err;
 
-	nls = alloc_nftnl_set(h);
+	nls = alloc_nftnl_set(&cmd->handle);
 	err = mnl_nft_set_batch_del(nls, ctx->batch, 0, ctx->seqnum);
 	nftnl_set_free(nls);
 
@@ -1133,14 +1123,14 @@ int netlink_add_setelems_batch(struct netlink_ctx *ctx, const struct handle *h,
 }
 
 int netlink_delete_setelems_batch(struct netlink_ctx *ctx,
-			       const struct handle *h, const struct expr *expr)
+				  const struct cmd *cmd)
 {
 	struct nftnl_set *nls;
 	int err;
 
-	nls = alloc_nftnl_set(h);
-	if (expr)
-		alloc_setelem_cache(expr, nls);
+	nls = alloc_nftnl_set(&cmd->handle);
+	if (cmd->expr)
+		alloc_setelem_cache(cmd->expr, nls);
 	netlink_dump_set(nls, ctx);
 
 	err = mnl_nft_setelem_batch_del(nls, ctx->batch, 0, ctx->seqnum);
@@ -1149,13 +1139,12 @@ int netlink_delete_setelems_batch(struct netlink_ctx *ctx,
 	return err;
 }
 
-int netlink_flush_setelems(struct netlink_ctx *ctx, const struct handle *h,
-			   const struct location *loc)
+int netlink_flush_setelems(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_set *nls;
 	int err;
 
-	nls = alloc_nftnl_set(h);
+	nls = alloc_nftnl_set(&cmd->handle);
 	netlink_dump_set(nls, ctx);
 
 	err = mnl_nft_setelem_batch_flush(nls, ctx->batch, 0, ctx->seqnum);
@@ -1413,13 +1402,13 @@ void netlink_dump_obj(struct nftnl_obj *nln, struct netlink_ctx *ctx)
 	fprintf(fp, "\n");
 }
 
-int netlink_add_obj(struct netlink_ctx *ctx, const struct handle *h,
-		    struct obj *obj, uint32_t flags)
+int netlink_add_obj(struct netlink_ctx *ctx, const struct cmd *cmd,
+		    uint32_t flags)
 {
 	struct nftnl_obj *nlo;
 	int err;
 
-	nlo = alloc_nftnl_obj(h, obj);
+	nlo = alloc_nftnl_obj(&cmd->handle, cmd->object);
 	netlink_dump_obj(nlo, ctx);
 
 	err = mnl_nft_obj_batch_add(nlo, ctx->batch, flags, ctx->seqnum);
@@ -1428,13 +1417,13 @@ int netlink_add_obj(struct netlink_ctx *ctx, const struct handle *h,
 	return err;
 }
 
-int netlink_delete_obj(struct netlink_ctx *ctx, const struct handle *h,
-		       struct location *loc, uint32_t type)
+int netlink_delete_obj(struct netlink_ctx *ctx, const struct cmd *cmd,
+		       uint32_t type)
 {
 	struct nftnl_obj *nlo;
 	int err;
 
-	nlo = __alloc_nftnl_obj(h, type);
+	nlo = __alloc_nftnl_obj(&cmd->handle, type);
 	netlink_dump_obj(nlo, ctx);
 
 	err = mnl_nft_obj_batch_del(nlo, ctx->batch, 0, ctx->seqnum);
@@ -1527,15 +1516,16 @@ static void netlink_dump_flowtable(struct nftnl_flowtable *flo,
 	fprintf(fp, "\n");
 }
 
-int netlink_add_flowtable(struct netlink_ctx *ctx, const struct handle *h,
-			  struct flowtable *ft, uint32_t flags)
+int netlink_add_flowtable(struct netlink_ctx *ctx, const struct cmd *cmd,
+			  uint32_t flags)
 {
+	struct flowtable *ft = cmd->flowtable;
 	struct nftnl_flowtable *flo;
 	const char *dev_array[8];
 	struct expr *expr;
 	int i = 0, err;
 
-	flo = alloc_nftnl_flowtable(h, ft);
+	flo = alloc_nftnl_flowtable(&cmd->handle, ft);
 	nftnl_flowtable_set_u32(flo, NFTNL_FLOWTABLE_HOOKNUM, ft->hooknum);
 	nftnl_flowtable_set_u32(flo, NFTNL_FLOWTABLE_PRIO, ft->priority);
 
@@ -1553,13 +1543,12 @@ int netlink_add_flowtable(struct netlink_ctx *ctx, const struct handle *h,
 	return err;
 }
 
-int netlink_delete_flowtable(struct netlink_ctx *ctx, const struct handle *h,
-			     struct location *loc)
+int netlink_delete_flowtable(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_flowtable *flo;
 	int err;
 
-	flo = alloc_nftnl_flowtable(h, NULL);
+	flo = alloc_nftnl_flowtable(&cmd->handle, NULL);
 	netlink_dump_flowtable(flo, ctx);
 
 	err = mnl_nft_flowtable_batch_del(flo, ctx->batch, 0, ctx->seqnum);
@@ -1600,9 +1589,10 @@ int netlink_list_objs(struct netlink_ctx *ctx, const struct handle *h,
 	return err;
 }
 
-int netlink_reset_objs(struct netlink_ctx *ctx, const struct handle *h,
-		       const struct location *loc, uint32_t type, bool dump)
+int netlink_reset_objs(struct netlink_ctx *ctx, const struct cmd *cmd,
+		       uint32_t type, bool dump)
 {
+	const struct handle *h = &cmd->handle;
 	struct nftnl_obj_list *obj_cache;
 	int err;
 
@@ -1612,7 +1602,7 @@ int netlink_reset_objs(struct netlink_ctx *ctx, const struct handle *h,
 		if (errno == EINTR)
 			return -1;
 
-		return netlink_io_error(ctx, loc,
+		return netlink_io_error(ctx, &cmd->location,
 					"Could not receive stateful object from kernel: %s",
 					strerror(errno));
 	}
@@ -1691,13 +1681,12 @@ int netlink_batch_send(struct netlink_ctx *ctx, struct list_head *err_list)
 	return mnl_batch_talk(ctx, err_list);
 }
 
-int netlink_flush_ruleset(struct netlink_ctx *ctx, const struct handle *h,
-			  const struct location *loc)
+int netlink_flush_ruleset(struct netlink_ctx *ctx, const struct cmd *cmd)
 {
 	struct nftnl_table *nlt;
 	int err;
 
-	nlt = alloc_nftnl_table(h);
+	nlt = alloc_nftnl_table(&cmd->handle);
 	err = mnl_nft_table_batch_del(nlt, ctx->batch, 0, ctx->seqnum);
 	nftnl_table_free(nlt);
 
diff --git a/src/rule.c b/src/rule.c
index 30661457..68bc2e68 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -1094,9 +1094,11 @@ static int __do_add_setelems(struct netlink_ctx *ctx, const struct handle *h,
 	return 0;
 }
 
-static int do_add_setelems(struct netlink_ctx *ctx, const struct handle *h,
-			   struct expr *init, uint32_t flags)
+static int do_add_setelems(struct netlink_ctx *ctx, struct cmd *cmd,
+			   uint32_t flags)
 {
+	struct handle *h = &cmd->handle;
+	struct expr *init = cmd->expr;
 	struct table *table;
 	struct set *set;
 
@@ -1111,16 +1113,18 @@ static int do_add_setelems(struct netlink_ctx *ctx, const struct handle *h,
 	return __do_add_setelems(ctx, h, set, init, flags);
 }
 
-static int do_add_set(struct netlink_ctx *ctx, const struct handle *h,
-		      struct set *set, uint32_t flags)
+static int do_add_set(struct netlink_ctx *ctx, const struct cmd *cmd,
+		      uint32_t flags)
 {
+	struct set *set = cmd->set;
+
 	if (set->init != NULL) {
 		if (set->flags & NFT_SET_INTERVAL &&
 		    set_to_intervals(ctx->msgs, set, set->init, true,
 				     ctx->debug_mask, set->automerge) < 0)
 			return -1;
 	}
-	if (netlink_add_set_batch(ctx, h, set, flags) < 0)
+	if (netlink_add_set_batch(ctx, cmd, flags) < 0)
 		return -1;
 	if (set->init != NULL) {
 		return __do_add_setelems(ctx, &set->handle, set, set->init,
@@ -1146,28 +1150,22 @@ static int do_command_add(struct netlink_ctx *ctx, struct cmd *cmd, bool excl)
 
 	switch (cmd->obj) {
 	case CMD_OBJ_TABLE:
-		return netlink_add_table_batch(ctx, &cmd->handle,
-					       &cmd->location, cmd->table,
-					       flags);
+		return netlink_add_table_batch(ctx, cmd, flags);
 	case CMD_OBJ_CHAIN:
-		return netlink_add_chain_batch(ctx, &cmd->handle,
-					       &cmd->location, cmd->chain,
-					       flags);
+		return netlink_add_chain_batch(ctx, cmd, flags);
 	case CMD_OBJ_RULE:
-		return netlink_add_rule_batch(ctx, &cmd->handle,
-					      cmd->rule, flags | NLM_F_APPEND);
+		return netlink_add_rule_batch(ctx, cmd, flags | NLM_F_APPEND);
 	case CMD_OBJ_SET:
-		return do_add_set(ctx, &cmd->handle, cmd->set, flags);
+		return do_add_set(ctx, cmd, flags);
 	case CMD_OBJ_SETELEM:
-		return do_add_setelems(ctx, &cmd->handle, cmd->expr, flags);
+		return do_add_setelems(ctx, cmd, flags);
 	case CMD_OBJ_COUNTER:
 	case CMD_OBJ_QUOTA:
 	case CMD_OBJ_CT_HELPER:
 	case CMD_OBJ_LIMIT:
-		return netlink_add_obj(ctx, &cmd->handle, cmd->object, flags);
+		return netlink_add_obj(ctx, cmd, flags);
 	case CMD_OBJ_FLOWTABLE:
-		return netlink_add_flowtable(ctx, &cmd->handle, cmd->flowtable,
-					     flags);
+		return netlink_add_flowtable(ctx, cmd, flags);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
@@ -1178,8 +1176,7 @@ static int do_command_replace(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	switch (cmd->obj) {
 	case CMD_OBJ_RULE:
-		return netlink_replace_rule_batch(ctx, &cmd->handle, cmd->rule,
-						  &cmd->location);
+		return netlink_replace_rule_batch(ctx, cmd);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
@@ -1203,17 +1200,17 @@ static int do_command_insert(struct netlink_ctx *ctx, struct cmd *cmd)
 
 	switch (cmd->obj) {
 	case CMD_OBJ_RULE:
-		return netlink_add_rule_batch(ctx, &cmd->handle,
-					      cmd->rule, flags);
+		return netlink_add_rule_batch(ctx, cmd, flags);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
 	return 0;
 }
 
-static int do_delete_setelems(struct netlink_ctx *ctx, const struct handle *h,
-			      struct expr *expr)
+static int do_delete_setelems(struct netlink_ctx *ctx, struct cmd *cmd)
 {
+	struct handle *h = &cmd->handle;
+	struct expr *expr = cmd->expr;
 	struct table *table;
 	struct set *set;
 
@@ -1225,7 +1222,7 @@ static int do_delete_setelems(struct netlink_ctx *ctx, const struct handle *h,
 			     ctx->debug_mask, set->automerge) < 0)
 		return -1;
 
-	if (netlink_delete_setelems_batch(ctx, h, expr) < 0)
+	if (netlink_delete_setelems_batch(ctx, cmd) < 0)
 		return -1;
 
 	return 0;
@@ -1235,31 +1232,25 @@ static int do_command_delete(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	switch (cmd->obj) {
 	case CMD_OBJ_TABLE:
-		return netlink_delete_table_batch(ctx, &cmd->handle, &cmd->location);
+		return netlink_delete_table_batch(ctx, cmd);
 	case CMD_OBJ_CHAIN:
-		return netlink_delete_chain_batch(ctx, &cmd->handle, &cmd->location);
+		return netlink_delete_chain_batch(ctx, cmd);
 	case CMD_OBJ_RULE:
-		return netlink_del_rule_batch(ctx, &cmd->handle,
-					      &cmd->location);
+		return netlink_del_rule_batch(ctx, cmd);
 	case CMD_OBJ_SET:
-		return netlink_delete_set_batch(ctx, &cmd->handle, &cmd->location);
+		return netlink_delete_set_batch(ctx, cmd);
 	case CMD_OBJ_SETELEM:
-		return do_delete_setelems(ctx, &cmd->handle, cmd->expr);
+		return do_delete_setelems(ctx, cmd);
 	case CMD_OBJ_COUNTER:
-		return netlink_delete_obj(ctx, &cmd->handle, &cmd->location,
-					  NFT_OBJECT_COUNTER);
+		return netlink_delete_obj(ctx, cmd, NFT_OBJECT_COUNTER);
 	case CMD_OBJ_QUOTA:
-		return netlink_delete_obj(ctx, &cmd->handle, &cmd->location,
-					  NFT_OBJECT_QUOTA);
+		return netlink_delete_obj(ctx, cmd, NFT_OBJECT_QUOTA);
 	case CMD_OBJ_CT_HELPER:
-		return netlink_delete_obj(ctx, &cmd->handle, &cmd->location,
-					  NFT_OBJECT_CT_HELPER);
+		return netlink_delete_obj(ctx, cmd, NFT_OBJECT_CT_HELPER);
 	case CMD_OBJ_LIMIT:
-		return netlink_delete_obj(ctx, &cmd->handle, &cmd->location,
-					  NFT_OBJECT_LIMIT);
+		return netlink_delete_obj(ctx, cmd, NFT_OBJECT_LIMIT);
 	case CMD_OBJ_FLOWTABLE:
-		return netlink_delete_flowtable(ctx, &cmd->handle,
-						&cmd->location);
+		return netlink_delete_flowtable(ctx, cmd);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
@@ -1946,7 +1937,7 @@ static int do_command_reset(struct netlink_ctx *ctx, struct cmd *cmd)
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
 
-	ret = netlink_reset_objs(ctx, &cmd->handle, &cmd->location, type, dump);
+	ret = netlink_reset_objs(ctx, cmd, type, dump);
 	list_for_each_entry_safe(obj, next, &ctx->list, list) {
 		table = table_lookup(&obj->handle, ctx->cache);
 		list_move(&obj->list, &table->objs);
@@ -1961,16 +1952,15 @@ static int do_command_flush(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	switch (cmd->obj) {
 	case CMD_OBJ_TABLE:
-		return netlink_flush_table(ctx, &cmd->handle, &cmd->location);
+		return netlink_flush_table(ctx, cmd);
 	case CMD_OBJ_CHAIN:
-		return netlink_flush_chain(ctx, &cmd->handle, &cmd->location);
+		return netlink_flush_chain(ctx, cmd);
 	case CMD_OBJ_SET:
 	case CMD_OBJ_MAP:
 	case CMD_OBJ_METER:
-		return netlink_flush_setelems(ctx, &cmd->handle,
-					      &cmd->location);
+		return netlink_flush_setelems(ctx, cmd);
 	case CMD_OBJ_RULESET:
-		return netlink_flush_ruleset(ctx, &cmd->handle, &cmd->location);
+		return netlink_flush_ruleset(ctx, cmd);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
@@ -1986,8 +1976,7 @@ static int do_command_rename(struct netlink_ctx *ctx, struct cmd *cmd)
 	case CMD_OBJ_CHAIN:
 		chain = chain_lookup(table, &cmd->handle);
 
-		return netlink_rename_chain_batch(ctx, &chain->handle, &cmd->location,
-					    cmd->arg);
+		return netlink_rename_chain_batch(ctx, &chain->handle, cmd);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}