diff options
Diffstat (limited to 'src/dpdk_lib18/librte_cmdline/cmdline_parse_etheraddr.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_cmdline/cmdline_parse_etheraddr.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_cmdline/cmdline_parse_etheraddr.c b/src/dpdk_lib18/librte_cmdline/cmdline_parse_etheraddr.c new file mode 100755 index 00000000..64ae86c7 --- /dev/null +++ b/src/dpdk_lib18/librte_cmdline/cmdline_parse_etheraddr.c @@ -0,0 +1,180 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> + * All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the University of California, Berkeley nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <errno.h> +#include <inttypes.h> +#include <ctype.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <net/ethernet.h> + +#include <rte_string_fns.h> + +#include "cmdline_parse.h" +#include "cmdline_parse_etheraddr.h" + +struct cmdline_token_ops cmdline_token_etheraddr_ops = { + .parse = cmdline_parse_etheraddr, + .complete_get_nb = NULL, + .complete_get_elt = NULL, + .get_help = cmdline_get_help_etheraddr, +}; + +/* the format can be either XX:XX:XX:XX:XX:XX or XXXX:XXXX:XXXX */ +#define ETHER_ADDRSTRLENLONG 18 +#define ETHER_ADDRSTRLENSHORT 15 + +#ifdef __linux__ +#define ea_oct ether_addr_octet +#else +#define ea_oct octet +#endif + + +static struct ether_addr * +my_ether_aton(const char *a) +{ + int i; + char *end; + unsigned long o[ETHER_ADDR_LEN]; + static struct ether_addr ether_addr; + + i = 0; + do { + errno = 0; + o[i] = strtoul(a, &end, 16); + if (errno != 0 || end == a || (end[0] != ':' && end[0] != 0)) + return (NULL); + a = end + 1; + } while (++i != sizeof (o) / sizeof (o[0]) && end[0] != 0); + + /* Junk at the end of line */ + if (end[0] != 0) + return (NULL); + + /* Support the format XX:XX:XX:XX:XX:XX */ + if (i == ETHER_ADDR_LEN) { + while (i-- != 0) { + if (o[i] > UINT8_MAX) + return (NULL); + ether_addr.ea_oct[i] = (uint8_t)o[i]; + } + /* Support the format XXXX:XXXX:XXXX */ + } else if (i == ETHER_ADDR_LEN / 2) { + while (i-- != 0) { + if (o[i] > UINT16_MAX) + return (NULL); + ether_addr.ea_oct[i * 2] = (uint8_t)(o[i] >> 8); + ether_addr.ea_oct[i * 2 + 1] = (uint8_t)(o[i] & 0xff); + } + /* unknown format */ + } else + return (NULL); + + return (struct ether_addr *)ðer_addr; +} + +int +cmdline_parse_etheraddr(__attribute__((unused)) cmdline_parse_token_hdr_t *tk, + const char *buf, void *res, unsigned ressize) +{ + unsigned int token_len = 0; + char ether_str[ETHER_ADDRSTRLENLONG+1]; + struct ether_addr *tmp; + + if (res && ressize < sizeof(struct ether_addr)) + return -1; + + if (!buf || ! *buf) + return -1; + + while (!cmdline_isendoftoken(buf[token_len])) + token_len++; + + /* if token doesn't match possible string lengths... */ + if ((token_len != ETHER_ADDRSTRLENLONG - 1) && + (token_len != ETHER_ADDRSTRLENSHORT - 1)) + return -1; + + snprintf(ether_str, token_len+1, "%s", buf); + + tmp = my_ether_aton(ether_str); + if (tmp == NULL) + return -1; + if (res) + memcpy(res, tmp, sizeof(struct ether_addr)); + return token_len; +} + +int +cmdline_get_help_etheraddr(__attribute__((unused)) cmdline_parse_token_hdr_t *tk, + char *dstbuf, unsigned int size) +{ + int ret; + + ret = snprintf(dstbuf, size, "Ethernet address"); + if (ret < 0) + return -1; + return 0; +} |