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| author | gVisor bot <gvisor-bot@google.com> | 2021-01-18 02:27:25 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-01-18 02:27:25 +0000 |
| commit | cfe357cafaf4dacc8e7371c0f21af7a7862d6d91 (patch) | |
| tree | 667900f81baccc6b1310ce815408f064b43e5612 /pkg/tcpip/stack/nic.go | |
| parent | 4d0fcb53e5a0dd280de04b5057b659d8e9a253a6 (diff) | |
| parent | f5736fa2bf91e1bb3fd9f9625dba8c800bf2adb5 (diff) | |
Merge release-20210112.0-41-gf5736fa2b (automated)
Diffstat (limited to 'pkg/tcpip/stack/nic.go')
| -rw-r--r-- | pkg/tcpip/stack/nic.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index 9e106a161..0f545f255 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -49,6 +49,10 @@ type NIC struct { // Must be accessed using atomic operations. enabled uint32 + // linkResQueue holds packets that are waiting for link resolution to + // complete. + linkResQueue packetsPendingLinkResolution + mu struct { sync.RWMutex spoofing bool @@ -134,6 +138,7 @@ func newNIC(stack *Stack, id tcpip.NICID, name string, ep LinkEndpoint, ctx NICC stats: makeNICStats(), networkEndpoints: make(map[tcpip.NetworkProtocolNumber]NetworkEndpoint), } + nic.linkResQueue.init() nic.mu.packetEPs = make(map[tcpip.NetworkProtocolNumber]*packetEndpointList) // Check for Neighbor Unreachability Detection support. @@ -315,7 +320,7 @@ func (n *NIC) WritePacket(r *Route, gso *GSO, protocol tcpip.NetworkProtocolNumb if ch, err := r.Resolve(nil); err != nil { if err == tcpip.ErrWouldBlock { r.Acquire() - n.stack.linkResQueue.enqueue(ch, r, protocol, pkt) + n.linkResQueue.enqueue(ch, r, protocol, pkt) return nil } return err |