[libvirt] [PATCH 3/4] FreeBSD: implement virNetDevSetMAC().

--- src/util/virnetdev.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c index c7eeb50..6e4f7ad 100644 --- a/src/util/virnetdev.c +++ b/src/util/virnetdev.c @@ -42,6 +42,11 @@ # undef HAVE_STRUCT_IFREQ #endif +#if defined(__FreeBSD__) +# include <sys/sockio.h> +# include <net/if_dl.h> +#endif + #define VIR_FROM_THIS VIR_FROM_NONE #if defined(HAVE_STRUCT_IFREQ) @@ -200,6 +205,51 @@ cleanup: VIR_FORCE_CLOSE(fd); return ret; } +#elif defined(__FreeBSD__) +int virNetDevSetMAC(const char *ifname, + const virMacAddrPtr macaddr) +{ + struct ifreq ifr; + struct sockaddr_dl sdl; + uint8_t mac[19]; + char *macstr; + int s; + int ret = -1; + + if ((s = virNetDevSetupControl(ifname, &ifr)) < 0) + return -1; + + if (VIR_ALLOC_N(macstr, VIR_MAC_STRING_BUFLEN) < 0) { + virReportOOMError(); + ret = - 1; + goto cleanup; + } + virMacAddrFormat(&macaddr, macstr); + + virStrncpy(ifr.ifr_name, ifname, IFNAMSIZ, sizeof(ifr.ifr_name)); + memset(mac, 0, sizeof(mac)); + mac[0] = ':'; + virStrncpy(mac + 1, macstr, strlen(macstr), sizeof(mac)); + sdl.sdl_len = sizeof(sdl); + link_addr(mac, &sdl); + + bcopy(sdl.sdl_data, ifr.ifr_addr.sa_data, 6); + ifr.ifr_addr.sa_len = 6; + + if (ioctl(s, SIOCSIFLLADDR, &ifr) < 0) { + virReportSystemError(errno, + _("Cannot set interface MAC on '%s'"), + ifname); + goto cleanup; + } + + ret = 0; +cleanup: + VIR_FREE(macstr); + VIR_FORCE_CLOSE(s); + + return ret; +} #else int virNetDevSetMAC(const char *ifname, const virMacAddrPtr macaddr ATTRIBUTE_UNUSED) -- 1.8.0