27 lines
1.0 KiB
Go
27 lines
1.0 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tcpip
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import "gvisor.dev/gvisor/pkg/tcpip/buffer"
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// beforeSave is invoked by stateify.
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func (pk *PacketBuffer) beforeSave() {
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// Non-Data fields may be slices of the Data field. This causes
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// problems for SR, so during save we make each header independent.
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pk.LinkHeader = append(buffer.View(nil), pk.LinkHeader...)
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pk.NetworkHeader = append(buffer.View(nil), pk.NetworkHeader...)
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pk.TransportHeader = append(buffer.View(nil), pk.TransportHeader...)
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}
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