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ensuredpdkbuffer.hh
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ensuredpdkbuffer.hh
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// -*- c-basic-offset: 4 -*-
#ifndef CLICK_ENSUREDPDKBUFFER_HH
#define CLICK_ENSUREDPDKBUFFER_HH
#include <click/config.h>
#include <click/batchelement.hh>
CLICK_DECLS
/*
* =title EnsureDPDKBuffer
*
* =c
*
* EnsureDPDKBuffer()
*
* =d
*
* Ensure that all packets passing through this element are using DPDK buffer and not Click or mmap'd buffers. Packet will be copied to a new DPDK buffer if it's not the case.
*
* =item FORCE_COPY
*
* Always copy packets to a new DPDK buffer
*
* =item EXTRA_HEADROOM
*
* When a copy is done, add an extra headroom space
*/
class EnsureDPDKBuffer: public BatchElement {
public:
EnsureDPDKBuffer() CLICK_COLD;
~EnsureDPDKBuffer() CLICK_COLD;
const char *class_name() const override { return "EnsureDPDKBuffer"; }
const char *port_count() const override { return PORTS_1_1; }
const char *processing() const override { return AGNOSTIC; }
int configure_phase() const override {
return CONFIGURE_PHASE_PRIVILEGED + 3;
}
int configure(Vector<String> &conf, ErrorHandler *errh) override CLICK_COLD;
int initialize(ErrorHandler *errh) override CLICK_COLD;
Packet* smaction(Packet*);
#if HAVE_BATCH
PacketBatch* simple_action_batch(PacketBatch*);
#endif
Packet* simple_action(Packet*);
private:
bool _force;
int _extra_headroom;
bool _noalloc;
int _warn_count;
};
CLICK_ENDDECLS
#endif