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-rw-r--r--pkg/tcpip/link/qdisc/fifo/BUILD1
-rw-r--r--pkg/tcpip/link/qdisc/fifo/endpoint.go16
-rw-r--r--pkg/tcpip/link/qdisc/fifo/packet_buffer_queue.go1
3 files changed, 2 insertions, 16 deletions
diff --git a/pkg/tcpip/link/qdisc/fifo/BUILD b/pkg/tcpip/link/qdisc/fifo/BUILD
index 1d0079bd6..5bea598eb 100644
--- a/pkg/tcpip/link/qdisc/fifo/BUILD
+++ b/pkg/tcpip/link/qdisc/fifo/BUILD
@@ -13,7 +13,6 @@ go_library(
"//pkg/sleep",
"//pkg/sync",
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
diff --git a/pkg/tcpip/link/qdisc/fifo/endpoint.go b/pkg/tcpip/link/qdisc/fifo/endpoint.go
index fc1e34fc7..b7458b620 100644
--- a/pkg/tcpip/link/qdisc/fifo/endpoint.go
+++ b/pkg/tcpip/link/qdisc/fifo/endpoint.go
@@ -21,7 +21,6 @@ import (
"gvisor.dev/gvisor/pkg/sleep"
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -155,8 +154,7 @@ func (e *endpoint) GSOMaxSize() uint32 {
func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) *tcpip.Error {
// WritePacket caller's do not set the following fields in PacketBuffer
// so we populate them here.
- newRoute := r.Clone()
- pkt.EgressRoute = &newRoute
+ pkt.EgressRoute = r
pkt.GSOOptions = gso
pkt.NetworkProtocolNumber = protocol
d := e.dispatchers[int(pkt.Hash)%len(e.dispatchers)]
@@ -179,11 +177,6 @@ func (e *endpoint) WritePackets(_ *stack.Route, _ *stack.GSO, pkts stack.PacketB
for pkt := pkts.Front(); pkt != nil; {
d := e.dispatchers[int(pkt.Hash)%len(e.dispatchers)]
nxt := pkt.Next()
- // Since qdisc can hold onto a packet for long we should Clone
- // the route here to ensure it doesn't get released while the
- // packet is still in our queue.
- newRoute := pkt.EgressRoute.Clone()
- pkt.EgressRoute = &newRoute
if !d.q.enqueue(pkt) {
if enqueued > 0 {
d.newPacketWaker.Assert()
@@ -197,13 +190,6 @@ func (e *endpoint) WritePackets(_ *stack.Route, _ *stack.GSO, pkts stack.PacketB
return enqueued, nil
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- // TODO(gvisor.dev/issue/3267): Queue these packets as well once
- // WriteRawPacket takes PacketBuffer instead of VectorisedView.
- return e.lower.WriteRawPacket(vv)
-}
-
// Wait implements stack.LinkEndpoint.Wait.
func (e *endpoint) Wait() {
e.lower.Wait()
diff --git a/pkg/tcpip/link/qdisc/fifo/packet_buffer_queue.go b/pkg/tcpip/link/qdisc/fifo/packet_buffer_queue.go
index eb5abb906..45adcbccb 100644
--- a/pkg/tcpip/link/qdisc/fifo/packet_buffer_queue.go
+++ b/pkg/tcpip/link/qdisc/fifo/packet_buffer_queue.go
@@ -61,6 +61,7 @@ func (q *packetBufferQueue) enqueue(s *stack.PacketBuffer) bool {
q.mu.Lock()
r := q.used < q.limit
if r {
+ s.EgressRoute.Acquire()
q.list.PushBack(s)
q.used++
}