cls.c

/* SPDX-License-Identifier: LGPL-2.1-only */
/*
 * Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
 */
 
/**
 * @ingroup cli
 * @defgroup cli_cls Classifiers
 * @{
 */
 
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
#include <netlink/route/cls/ematch.h>
 
struct rtnl_cls *nl_cli_cls_alloc(void)
{
        struct rtnl_cls *cls;
 
        if (!(cls = rtnl_cls_alloc()))
                nl_cli_fatal(ENOMEM, "Unable to allocate classifier object");
 
        return cls;
}
 
struct nl_cache *nl_cli_cls_alloc_cache(struct nl_sock *sock, int ifindex,
                                        uint32_t parent)
{
        struct nl_cache *cache;
        int err;
 
        if ((err = rtnl_cls_alloc_cache(sock, ifindex, parent, &cache)) < 0)
                nl_cli_fatal(err, "Unable to allocate classifier cache: %s",
                             nl_geterror(err));
 
        return cache;
}
 
void nl_cli_cls_parse_proto(struct rtnl_cls *cls, char *arg)
{
        int proto;
 
        if ((proto = nl_str2ether_proto(arg)) < 0)
                nl_cli_fatal(proto, "Unknown protocol \"%s\".", arg);
 
        rtnl_cls_set_protocol(cls, proto);
}
 
struct rtnl_ematch_tree *nl_cli_cls_parse_ematch(struct rtnl_cls *cls, char *arg)
{
        struct rtnl_ematch_tree *tree;
        char *errstr = NULL;
        int err;
 
        if ((err = rtnl_ematch_parse_expr(arg, &errstr, &tree)) < 0)
                nl_cli_fatal(err, "Unable to parse ematch expression: %s",
                                  errstr);
        
        if (errstr)
                free(errstr);
 
        return tree;
}
 
/** @} */