ceph/src/spdk/dpdk/lib/librte_cmdline/cmdline_parse_etheraddr.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation.
   3  * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
   4  * All rights reserved.
   5  */
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <stdarg.h>
  10 #include <errno.h>
  11 #include <inttypes.h>
  12 #include <ctype.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15
  16 #include <rte_string_fns.h>
  17 #include <rte_ether.h>
  18
  19 #include "cmdline_parse.h"
  20 #include "cmdline_parse_etheraddr.h"
  21
  22 struct cmdline_token_ops cmdline_token_etheraddr_ops = {
  23         .parse = cmdline_parse_etheraddr,
  24         .complete_get_nb = NULL,
  25         .complete_get_elt = NULL,
  26         .get_help = cmdline_get_help_etheraddr,
  27 };
  28
  29 int
  30 cmdline_parse_etheraddr(__rte_unused cmdline_parse_token_hdr_t *tk,
  31         const char *buf, void *res, unsigned ressize)
  32 {
  33         unsigned int token_len = 0;
  34         char ether_str[RTE_ETHER_ADDR_FMT_SIZE];
  35         struct rte_ether_addr tmp;
  36
  37         if (res && ressize < sizeof(tmp))
  38                 return -1;
  39
  40         if (!buf || ! *buf)
  41                 return -1;
  42
  43         while (!cmdline_isendoftoken(buf[token_len]))
  44                 token_len++;
  45
  46         /* if token doesn't match possible string lengths... */
  47         if (token_len >= RTE_ETHER_ADDR_FMT_SIZE)
  48                 return -1;
  49
  50         strlcpy(ether_str, buf, token_len + 1);
  51
  52         if (rte_ether_unformat_addr(ether_str, &tmp) < 0)
  53                 return -1;
  54
  55         if (res)
  56                 memcpy(res, &tmp, sizeof(tmp));
  57         return token_len;
  58 }
  59
  60 int
  61 cmdline_get_help_etheraddr(__rte_unused cmdline_parse_token_hdr_t *tk,
  62                                char *dstbuf, unsigned int size)
  63 {
  64         int ret;
  65
  66         ret = snprintf(dstbuf, size, "Ethernet address");
  67         if (ret < 0)
  68                 return -1;
  69         return 0;
  70 }