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Re: [libvirt] [PATCH v2 4/5] FreeBSD: implement virNetDevSetMAC().



On 01/20/2013 11:22 AM, Roman Bogorodskiy wrote:
> ---
>  src/util/virnetdev.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 53 insertions(+)
> 

ACK

> diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
> index 5100467..cd2b773 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) || defined(__FreeBSD__))
> @@ -182,6 +187,54 @@ 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[VIR_MAC_STRING_BUFLEN + 1];
> +        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();
> +            goto cleanup;
> +        }
> +        virMacAddrFormat(&macaddr, macstr);
> +        memset(mac, 0, sizeof(mac));
> +        mac[0] = ':';
> +        if (virStrncpy(mac + 1, macstr, strlen(macstr),
> +                       sizeof(mac)) == NULL) {
> +            virReportSystemError(ERANGE,
> +                                 _("invalid MAC %s"),
> +                                 macstr);
> +            goto cleanup;
> +        }
> +        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)
> 


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