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/*
* Copyright (c) 2016-2017 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 _CTX_H_
#define _CTX_H_
#include <rte_spinlock.h>
#include <rte_vect.h>
#include <tle_dring.h>
#include <tle_ctx.h>
#include "port_bitmap.h"
#include "osdep.h"
#include "net_misc.h"
#ifdef __cplusplus
extern "C" {
#endif
struct tle_dport {
struct tle_pbm use; /* ports in use. */
struct tle_stream *streams[MAX_PORT_NUM]; /* port to stream. */
};
struct tle_dev {
struct tle_ctx *ctx;
struct {
/* used by FE. */
uint64_t ol_flags[TLE_VNUM];
rte_atomic32_t packet_id[TLE_VNUM];
/* used by FE & BE. */
struct tle_dring dr;
} tx;
struct tle_dev_param prm; /* copy of device parameters. */
struct tle_dport *dp[TLE_VNUM]; /* device L4 ports */
};
struct tle_ctx {
struct tle_ctx_param prm;
uint32_t cycles_ms_shift; /* to convert from cycles to ms */
struct {
rte_spinlock_t lock;
uint32_t nb_free; /* number of free streams. */
STAILQ_HEAD(, tle_stream) free;
void *buf; /* space allocated for streams */
} streams;
rte_spinlock_t dev_lock;
uint32_t nb_dev;
struct tle_pbm use[TLE_VNUM]; /* all ports in use. */
struct tle_dev dev[RTE_MAX_ETHPORTS];
};
struct stream_ops {
int (*init_streams)(struct tle_ctx *);
void (*fini_streams)(struct tle_ctx *);
void (*free_drbs)(struct tle_stream *, struct tle_drb *[], uint32_t);
};
extern struct stream_ops tle_stream_ops[TLE_PROTO_NUM];
int stream_fill_ctx(struct tle_ctx *ctx, struct tle_stream *s,
const struct sockaddr *laddr, const struct sockaddr *raddr);
int stream_clear_ctx(struct tle_ctx *ctx, struct tle_stream *s);
#ifdef __cplusplus
}
#endif
#endif /* _UDP_IMPL_H_ */
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