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fix interfaces

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This commit is contained in:
JackDoan
2026-04-24 15:18:28 -05:00
parent b155f4b7e1
commit 1d84b81032
4 changed files with 62 additions and 45 deletions
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8
overlay/tio/tio_gso_linux.go
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@@ -35,7 +35,7 @@ const gsoInitialPayIovs = 66
// validVnetHdr is the 10-byte virtio_net_hdr we prepend to every non-GSO TUN
// write. Only flag set is VIRTIO_NET_HDR_F_DATA_VALID, which marks the skb
// CHECKSUM_UNNECESSARY so the receiving network stack skips L4 checksum
// verification. All packets that reach the plain Write / WriteReject paths
// verification. All packets that reach the plain Write / WriteFromSelf paths
// already carry a valid L4 checksum (either supplied by a remote peer whose
// ciphertext we AEAD-authenticated, or produced by finishChecksum during TSO
// segmentation, or built locally by CreateRejectPacket), so trusting them is
@@ -56,7 +56,7 @@ type Offload struct {
pending [][]byte // segments returned from the most recent Read
writeIovs [2]unix.Iovec // preallocated iovecs for Write (coalescer passthrough); iovs[0] is fixed to validVnetHdr
// rejectIovs is a second preallocated iovec scratch used exclusively by
// WriteReject (reject + self-forward from the inside path). It mirrors
// WriteFromSelf (reject + self-forward from the inside path). It mirrors
// writeIovs but lets listenIn goroutines emit reject packets without
// racing with the listenOut coalescer that owns writeIovs.
rejectIovs [2]unix.Iovec
@@ -246,12 +246,12 @@ func (r *Offload) Write(buf []byte) (int, error) {
return r.writeWithScratch(buf, &r.writeIovs)
}
// WriteReject emits a packet using a dedicated iovec scratch (rejectIovs)
// WriteFromSelf emits a packet using a dedicated iovec scratch (rejectIovs)
// distinct from the one used by the coalescer's Write path. This avoids a
// data race between the inside (listenIn) goroutine emitting reject or
// self-forward packets and the outside (listenOut) goroutine flushing TCP
// coalescer passthroughs on the same Offload.
func (r *Offload) WriteReject(buf []byte) (int, error) {
func (r *Offload) WriteFromSelf(buf []byte) (int, error) {
return r.writeWithScratch(buf, &r.rejectIovs)
}