diff options
Diffstat (limited to 'usr/src/cmd/bhyve/net_utils.c')
| -rw-r--r-- | usr/src/cmd/bhyve/net_utils.c | 55 |
1 files changed, 44 insertions, 11 deletions
diff --git a/usr/src/cmd/bhyve/net_utils.c b/usr/src/cmd/bhyve/net_utils.c index a7ae4d2eef..d602cac3eb 100644 --- a/usr/src/cmd/bhyve/net_utils.c +++ b/usr/src/cmd/bhyve/net_utils.c @@ -31,37 +31,70 @@ __FBSDID("$FreeBSD$"); #include <sys/types.h> #include <net/ethernet.h> +#include <assert.h> #include <errno.h> +#include <limits.h> #include <md5.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> #include "bhyverun.h" +#include "debug.h" #include "net_utils.h" int net_parsemac(char *mac_str, uint8_t *mac_addr) { struct ether_addr *ea; - char *tmpstr; char zero_addr[ETHER_ADDR_LEN] = { 0, 0, 0, 0, 0, 0 }; - tmpstr = strsep(&mac_str,"="); + if (mac_str == NULL) + return (EINVAL); - if ((mac_str != NULL) && (!strcmp(tmpstr,"mac"))) { - ea = ether_aton(mac_str); + ea = ether_aton(mac_str); - if (ea == NULL || ETHER_IS_MULTICAST(ea->octet) || - memcmp(ea->octet, zero_addr, ETHER_ADDR_LEN) == 0) { - fprintf(stderr, "Invalid MAC %s\n", mac_str); - return (EINVAL); - } else - memcpy(mac_addr, ea->octet, ETHER_ADDR_LEN); - } + if (ea == NULL || ETHER_IS_MULTICAST(ea->octet) || + memcmp(ea->octet, zero_addr, ETHER_ADDR_LEN) == 0) { + EPRINTLN("Invalid MAC %s", mac_str); + return (EINVAL); + } else + memcpy(mac_addr, ea->octet, ETHER_ADDR_LEN); return (0); } +int +net_parsemtu(const char *mtu_str, unsigned long *mtu) +{ + char *end; + unsigned long val; + + assert(mtu_str != NULL); + + if (*mtu_str == '-') + goto err; + + val = strtoul(mtu_str, &end, 0); + + if (*end != '\0') + goto err; + + if (val == ULONG_MAX) + return (ERANGE); + + if (val == 0 && errno == EINVAL) + return (EINVAL); + + *mtu = val; + + return (0); + +err: + errno = EINVAL; + return (EINVAL); +} + void net_genmac(struct pci_devinst *pi, uint8_t *macaddr) { |