ac7af39692
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com> Reviewed-by: Andrew Lee <alee@solarflare.com> Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
153 lines
4.5 KiB
C
153 lines
4.5 KiB
C
/*-
|
|
* Copyright (c) 2016 Solarflare Communications Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This software was jointly developed between OKTET Labs (under contract
|
|
* for Solarflare) and Solarflare Communications, Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _SFC_RX_H
|
|
#define _SFC_RX_H
|
|
|
|
#include <rte_mbuf.h>
|
|
#include <rte_mempool.h>
|
|
#include <rte_ethdev.h>
|
|
|
|
#include "efx.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct sfc_adapter;
|
|
struct sfc_evq;
|
|
|
|
/**
|
|
* Software Rx descriptor information associated with hardware Rx
|
|
* descriptor.
|
|
*/
|
|
struct sfc_rx_sw_desc {
|
|
struct rte_mbuf *mbuf;
|
|
unsigned int flags;
|
|
unsigned int size;
|
|
};
|
|
|
|
/** Receive queue state bits */
|
|
enum sfc_rxq_state_bit {
|
|
SFC_RXQ_INITIALIZED_BIT = 0,
|
|
#define SFC_RXQ_INITIALIZED (1 << SFC_RXQ_INITIALIZED_BIT)
|
|
SFC_RXQ_STARTED_BIT,
|
|
#define SFC_RXQ_STARTED (1 << SFC_RXQ_STARTED_BIT)
|
|
SFC_RXQ_RUNNING_BIT,
|
|
#define SFC_RXQ_RUNNING (1 << SFC_RXQ_RUNNING_BIT)
|
|
SFC_RXQ_FLUSHING_BIT,
|
|
#define SFC_RXQ_FLUSHING (1 << SFC_RXQ_FLUSHING_BIT)
|
|
SFC_RXQ_FLUSHED_BIT,
|
|
#define SFC_RXQ_FLUSHED (1 << SFC_RXQ_FLUSHED_BIT)
|
|
SFC_RXQ_FLUSH_FAILED_BIT,
|
|
#define SFC_RXQ_FLUSH_FAILED (1 << SFC_RXQ_FLUSH_FAILED_BIT)
|
|
};
|
|
|
|
/**
|
|
* Receive queue information used on data path.
|
|
* Allocated on the socket specified on the queue setup.
|
|
*/
|
|
struct sfc_rxq {
|
|
/* Used on data path */
|
|
struct sfc_evq *evq;
|
|
struct sfc_rx_sw_desc *sw_desc;
|
|
unsigned int state;
|
|
unsigned int ptr_mask;
|
|
unsigned int pending;
|
|
unsigned int completed;
|
|
uint16_t batch_max;
|
|
uint16_t prefix_size;
|
|
|
|
/* Used on refill */
|
|
unsigned int added;
|
|
unsigned int pushed;
|
|
unsigned int refill_threshold;
|
|
uint8_t port_id;
|
|
uint16_t buf_size;
|
|
struct rte_mempool *refill_mb_pool;
|
|
efx_rxq_t *common;
|
|
efsys_mem_t mem;
|
|
|
|
/* Not used on data path */
|
|
unsigned int hw_index;
|
|
};
|
|
|
|
static inline unsigned int
|
|
sfc_rxq_sw_index_by_hw_index(unsigned int hw_index)
|
|
{
|
|
return hw_index;
|
|
}
|
|
|
|
static inline unsigned int
|
|
sfc_rxq_sw_index(const struct sfc_rxq *rxq)
|
|
{
|
|
return sfc_rxq_sw_index_by_hw_index(rxq->hw_index);
|
|
}
|
|
|
|
/**
|
|
* Receive queue information used during setup/release only.
|
|
* Allocated on the same socket as adapter data.
|
|
*/
|
|
struct sfc_rxq_info {
|
|
unsigned int max_entries;
|
|
unsigned int entries;
|
|
efx_rxq_type_t type;
|
|
struct sfc_rxq *rxq;
|
|
boolean_t deferred_start;
|
|
boolean_t deferred_started;
|
|
};
|
|
|
|
int sfc_rx_init(struct sfc_adapter *sa);
|
|
void sfc_rx_fini(struct sfc_adapter *sa);
|
|
int sfc_rx_start(struct sfc_adapter *sa);
|
|
void sfc_rx_stop(struct sfc_adapter *sa);
|
|
|
|
int sfc_rx_qinit(struct sfc_adapter *sa, unsigned int rx_queue_id,
|
|
uint16_t nb_rx_desc, unsigned int socket_id,
|
|
const struct rte_eth_rxconf *rx_conf,
|
|
struct rte_mempool *mb_pool);
|
|
void sfc_rx_qfini(struct sfc_adapter *sa, unsigned int sw_index);
|
|
int sfc_rx_qstart(struct sfc_adapter *sa, unsigned int sw_index);
|
|
void sfc_rx_qstop(struct sfc_adapter *sa, unsigned int sw_index);
|
|
|
|
void sfc_rx_qflush_done(struct sfc_rxq *rxq);
|
|
void sfc_rx_qflush_failed(struct sfc_rxq *rxq);
|
|
|
|
uint16_t sfc_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
|
|
uint16_t nb_pkts);
|
|
|
|
unsigned int sfc_rx_qdesc_npending(struct sfc_adapter *sa,
|
|
unsigned int sw_index);
|
|
int sfc_rx_qdesc_done(struct sfc_rxq *rxq, unsigned int offset);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* _SFC_RX_H */
|