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/*
* Copyright (c) 2016 Intel Corporation.
* 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.
*/
#ifndef _UDP_STREAM_H_
#define _UDP_STREAM_H_
#include <rte_vect.h>
#include <tle_dring.h>
#include <tle_udp.h>
#include <tle_event.h>
#include "osdep.h"
#include "ctx.h"
#include "stream.h"
#ifdef __cplusplus
extern "C" {
#endif
union udph {
uint64_t raw;
struct {
union l4_ports ports;
uint16_t len;
uint16_t cksum;
};
};
struct tle_udp_stream {
struct tle_stream s;
struct {
struct rte_ring *q;
struct tle_event *ev;
struct tle_stream_cb cb;
rte_atomic32_t use;
} rx __rte_cache_aligned;
struct {
rte_atomic32_t use;
struct {
uint32_t nb_elem; /* number of obects per drb. */
uint32_t nb_max; /* number of drbs per stream. */
struct rte_ring *r;
} drb;
struct tle_event *ev;
struct tle_stream_cb cb;
} tx __rte_cache_aligned;
struct tle_udp_stream_param prm;
} __rte_cache_aligned;
#define UDP_STREAM(p) \
((struct tle_udp_stream *)((uintptr_t)(p) - offsetof(struct tle_udp_stream, s)))
#define UDP_STREAM_TX_PENDING(s) \
((s)->tx.drb.nb_max != rte_ring_count((s)->tx.drb.r))
#define UDP_STREAM_TX_FINISHED(s) \
((s)->tx.drb.nb_max == rte_ring_count((s)->tx.drb.r))
#ifdef __cplusplus
}
#endif
#endif /* _UDP_STREAM_H_ */
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