Fix tap breakage on BSD hosts (no IFF_VNET_HDR)
net/tap-bsd.c was assuming IFF_VNET_HDR was always available, which I think isn't true on any BSD. Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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@ -59,6 +59,17 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
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dev = devname(s.st_rdev, S_IFCHR);
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dev = devname(s.st_rdev, S_IFCHR);
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pstrcpy(ifname, ifname_size, dev);
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pstrcpy(ifname, ifname_size, dev);
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if (*vnet_hdr) {
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/* BSD doesn't have IFF_VNET_HDR */
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*vnet_hdr = 0;
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if (vnet_hdr_required && !*vnet_hdr) {
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qemu_error("vnet_hdr=1 requested, but no kernel "
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"support for IFF_VNET_HDR available");
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close(fd);
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return -1;
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}
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}
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fcntl(fd, F_SETFL, O_NONBLOCK);
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fcntl(fd, F_SETFL, O_NONBLOCK);
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return fd;
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return fd;
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}
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}
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