gomemif: migrate to govpp repository

Type: make
Signed-off-by: Matus Halaj <mhalaj@cisco.com>
Change-Id: I1d48c7e44fdf23438132996fd3288b29da1fe36e

1 files changed, 0 insertions, 91 deletions

diff --git a/extras/gomemif/memif/packet_reader.go b/extras/gomemif/memif/packet_reader.go
deleted file mode 100644
index 58338f6f2ab..00000000000
--- a/extras/gomemif/memif/packet_reader.go
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- *------------------------------------------------------------------
- * Copyright (c) 2020 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *------------------------------------------------------------------
- */
-
-package memif
-
-import "fmt"
-
-// ReadPacket reads one packet form the shared memory and
-// returns the number of bytes read
-func (q *Queue) ReadPacket(pkt []byte) (int, error) {
-	var mask int = q.ring.size - 1
-	var slot int
-	var lastSlot int
-	var length int
-	var offset int
-	var pktOffset int = 0
-	var nSlots uint16
-	var desc descBuf = newDescBuf()
-
-	if q.i.args.IsMaster {
-		slot = int(q.lastHead)
-		lastSlot = q.readHead()
-	} else {
-		slot = int(q.lastTail)
-		lastSlot = q.readTail()
-	}
-
-	nSlots = uint16(lastSlot - slot)
-	if nSlots == 0 {
-		goto refill
-	}
-
-	// copy descriptor from shm
-	q.getDescBuf(slot&mask, desc)
-	length = desc.getLength()
-	offset = desc.getOffset()
-
-	copy(pkt[:], q.i.regions[desc.getRegion()].data[offset:offset+length])
-	pktOffset += length
-
-	slot++
-	nSlots--
-
-	for (desc.getFlags() & descFlagNext) == descFlagNext {
-		if nSlots == 0 {
-			return 0, fmt.Errorf("Incomplete chained buffer, may suggest peer error.")
-		}
-
-		q.getDescBuf(slot&mask, desc)
-		length = desc.getLength()
-		offset = desc.getOffset()
-
-		copy(pkt[pktOffset:], q.i.regions[desc.getRegion()].data[offset:offset+length])
-		pktOffset += length
-
-		slot++
-		nSlots--
-	}
-
-refill:
-	if q.i.args.IsMaster {
-		q.lastHead = uint16(slot)
-		q.writeTail(slot)
-	} else {
-		q.lastTail = uint16(slot)
-
-		head := q.readHead()
-
-		for nSlots := uint16(q.ring.size - head + int(q.lastTail)); nSlots > 0; nSlots-- {
-			q.setDescLength(head&mask, int(q.i.run.PacketBufferSize))
-			head++
-		}
-		q.writeHead(head)
-	}
-
-	return pktOffset, nil
-}