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NAPI broken on old kernels and also not helpful

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This commit is contained in:
JackDoan
2026-04-24 17:36:20 -05:00
parent c9d5a6e35a
commit 334dd7a85d
1 changed files with 2 additions and 2 deletions
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4
overlay/tun_linux.go
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@@ -139,7 +139,7 @@ func newTun(c *config.C, l *logrus.Logger, vpnNetworks []netip.Prefix, multiqueu
return nil, err return nil, err
} }
vnetHdr := true vnetHdr := true
name, err := tunSetIff(fd, nameStr, baseFlags|unix.IFF_VNET_HDR|unix.IFF_NAPI) name, err := tunSetIff(fd, nameStr, baseFlags|unix.IFF_VNET_HDR)
if err != nil { if err != nil {
_ = unix.Close(fd) _ = unix.Close(fd)
vnetHdr = false vnetHdr = false
@@ -307,7 +307,7 @@ func (t *tun) NewMultiQueueReader() error {
flags := uint16(unix.IFF_TUN | unix.IFF_NO_PI | unix.IFF_MULTI_QUEUE) flags := uint16(unix.IFF_TUN | unix.IFF_NO_PI | unix.IFF_MULTI_QUEUE)
if t.vnetHdr { if t.vnetHdr {
flags |= unix.IFF_VNET_HDR | unix.IFF_NAPI flags |= unix.IFF_VNET_HDR
} }
if _, err = tunSetIff(fd, t.Device, flags); err != nil { if _, err = tunSetIff(fd, t.Device, flags); err != nil {
_ = unix.Close(fd) _ = unix.Close(fd)