mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-28 11:57:28 +00:00
76039bc84f
to this event, adding if_var.h to files that do need it. Also, include all includes that now are included due to implicit pollution via if_var.h Sponsored by: Netflix Sponsored by: Nginx, Inc.
305 lines
7.7 KiB
C
305 lines
7.7 KiB
C
/*-
|
|
* Copyright (c) 2010-2011 Solarflare Communications, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed in part by Philip Paeps under contract for
|
|
* 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 AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _SFXGE_H
|
|
#define _SFXGE_H
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/condvar.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/sx.h>
|
|
#include <vm/uma.h>
|
|
|
|
#include <net/ethernet.h>
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
#include <net/if_media.h>
|
|
#include <net/if_types.h>
|
|
|
|
/*
|
|
* Backward-compatibility
|
|
*/
|
|
#ifndef CACHE_LINE_SIZE
|
|
/* This should be right on most machines the driver will be used on, and
|
|
* we needn't care too much about wasting a few KB per interface.
|
|
*/
|
|
#define CACHE_LINE_SIZE 128
|
|
#endif
|
|
#ifndef IFCAP_LINKSTATE
|
|
#define IFCAP_LINKSTATE 0
|
|
#endif
|
|
#ifndef IFCAP_VLAN_HWTSO
|
|
#define IFCAP_VLAN_HWTSO 0
|
|
#endif
|
|
#ifndef IFM_10G_T
|
|
#define IFM_10G_T IFM_UNKNOWN
|
|
#endif
|
|
#ifndef IFM_10G_KX4
|
|
#define IFM_10G_KX4 IFM_10G_CX4
|
|
#endif
|
|
#if __FreeBSD_version >= 800054
|
|
/* Networking core is multiqueue aware. We can manage our own TX
|
|
* queues and use m_pkthdr.flowid.
|
|
*/
|
|
#define SFXGE_HAVE_MQ
|
|
#endif
|
|
#if (__FreeBSD_version >= 800501 && __FreeBSD_version < 900000) || \
|
|
__FreeBSD_version >= 900003
|
|
#define SFXGE_HAVE_DESCRIBE_INTR
|
|
#endif
|
|
#ifdef IFM_ETH_RXPAUSE
|
|
#define SFXGE_HAVE_PAUSE_MEDIAOPTS
|
|
#endif
|
|
#ifndef CTLTYPE_U64
|
|
#define CTLTYPE_U64 CTLTYPE_QUAD
|
|
#endif
|
|
|
|
#include "sfxge_rx.h"
|
|
#include "sfxge_tx.h"
|
|
|
|
#define SFXGE_IP_ALIGN 2
|
|
|
|
#define SFXGE_ETHERTYPE_LOOPBACK 0x9000 /* Xerox loopback */
|
|
|
|
enum sfxge_evq_state {
|
|
SFXGE_EVQ_UNINITIALIZED = 0,
|
|
SFXGE_EVQ_INITIALIZED,
|
|
SFXGE_EVQ_STARTING,
|
|
SFXGE_EVQ_STARTED
|
|
};
|
|
|
|
#define SFXGE_EV_BATCH 16384
|
|
|
|
struct sfxge_evq {
|
|
struct sfxge_softc *sc __aligned(CACHE_LINE_SIZE);
|
|
struct mtx lock __aligned(CACHE_LINE_SIZE);
|
|
|
|
enum sfxge_evq_state init_state;
|
|
unsigned int index;
|
|
efsys_mem_t mem;
|
|
unsigned int buf_base_id;
|
|
|
|
boolean_t exception;
|
|
|
|
efx_evq_t *common;
|
|
unsigned int read_ptr;
|
|
unsigned int rx_done;
|
|
unsigned int tx_done;
|
|
|
|
/* Linked list of TX queues with completions to process */
|
|
struct sfxge_txq *txq;
|
|
struct sfxge_txq **txqs;
|
|
};
|
|
|
|
#define SFXGE_NEVS 4096
|
|
#define SFXGE_NDESCS 1024
|
|
#define SFXGE_MODERATION 30
|
|
|
|
enum sfxge_intr_state {
|
|
SFXGE_INTR_UNINITIALIZED = 0,
|
|
SFXGE_INTR_INITIALIZED,
|
|
SFXGE_INTR_TESTING,
|
|
SFXGE_INTR_STARTED
|
|
};
|
|
|
|
struct sfxge_intr_hdl {
|
|
int eih_rid;
|
|
void *eih_tag;
|
|
struct resource *eih_res;
|
|
};
|
|
|
|
struct sfxge_intr {
|
|
enum sfxge_intr_state state;
|
|
struct resource *msix_res;
|
|
struct sfxge_intr_hdl *table;
|
|
int n_alloc;
|
|
int type;
|
|
efsys_mem_t status;
|
|
uint32_t zero_count;
|
|
};
|
|
|
|
enum sfxge_mcdi_state {
|
|
SFXGE_MCDI_UNINITIALIZED = 0,
|
|
SFXGE_MCDI_INITIALIZED,
|
|
SFXGE_MCDI_BUSY,
|
|
SFXGE_MCDI_COMPLETED
|
|
};
|
|
|
|
struct sfxge_mcdi {
|
|
struct mtx lock;
|
|
struct cv cv;
|
|
enum sfxge_mcdi_state state;
|
|
efx_mcdi_transport_t transport;
|
|
};
|
|
|
|
struct sfxge_hw_stats {
|
|
clock_t update_time;
|
|
efsys_mem_t dma_buf;
|
|
void *decode_buf;
|
|
};
|
|
|
|
enum sfxge_port_state {
|
|
SFXGE_PORT_UNINITIALIZED = 0,
|
|
SFXGE_PORT_INITIALIZED,
|
|
SFXGE_PORT_STARTED
|
|
};
|
|
|
|
struct sfxge_port {
|
|
struct sfxge_softc *sc;
|
|
struct mtx lock;
|
|
enum sfxge_port_state init_state;
|
|
#ifndef SFXGE_HAVE_PAUSE_MEDIAOPTS
|
|
unsigned int wanted_fc;
|
|
#endif
|
|
struct sfxge_hw_stats phy_stats;
|
|
struct sfxge_hw_stats mac_stats;
|
|
efx_link_mode_t link_mode;
|
|
};
|
|
|
|
enum sfxge_softc_state {
|
|
SFXGE_UNINITIALIZED = 0,
|
|
SFXGE_INITIALIZED,
|
|
SFXGE_REGISTERED,
|
|
SFXGE_STARTED
|
|
};
|
|
|
|
struct sfxge_softc {
|
|
device_t dev;
|
|
struct sx softc_lock;
|
|
enum sfxge_softc_state init_state;
|
|
struct ifnet *ifnet;
|
|
unsigned int if_flags;
|
|
struct sysctl_oid *stats_node;
|
|
|
|
struct task task_reset;
|
|
|
|
efx_family_t family;
|
|
caddr_t vpd_data;
|
|
size_t vpd_size;
|
|
efx_nic_t *enp;
|
|
struct mtx enp_lock;
|
|
|
|
bus_dma_tag_t parent_dma_tag;
|
|
efsys_bar_t bar;
|
|
|
|
struct sfxge_intr intr;
|
|
struct sfxge_mcdi mcdi;
|
|
struct sfxge_port port;
|
|
uint32_t buffer_table_next;
|
|
|
|
struct sfxge_evq *evq[SFXGE_RX_SCALE_MAX];
|
|
unsigned int ev_moderation;
|
|
clock_t ev_stats_update_time;
|
|
uint64_t ev_stats[EV_NQSTATS];
|
|
|
|
uma_zone_t rxq_cache;
|
|
struct sfxge_rxq *rxq[SFXGE_RX_SCALE_MAX];
|
|
unsigned int rx_indir_table[SFXGE_RX_SCALE_MAX];
|
|
|
|
#ifdef SFXGE_HAVE_MQ
|
|
struct sfxge_txq *txq[SFXGE_TXQ_NTYPES + SFXGE_RX_SCALE_MAX];
|
|
#else
|
|
struct sfxge_txq *txq[SFXGE_TXQ_NTYPES];
|
|
#endif
|
|
|
|
struct ifmedia media;
|
|
|
|
size_t rx_prefix_size;
|
|
size_t rx_buffer_size;
|
|
uma_zone_t rx_buffer_zone;
|
|
|
|
#ifndef SFXGE_HAVE_MQ
|
|
struct mtx tx_lock __aligned(CACHE_LINE_SIZE);
|
|
#endif
|
|
};
|
|
|
|
#define SFXGE_LINK_UP(sc) ((sc)->port.link_mode != EFX_LINK_DOWN)
|
|
#define SFXGE_RUNNING(sc) ((sc)->ifnet->if_drv_flags & IFF_DRV_RUNNING)
|
|
|
|
/*
|
|
* From sfxge.c.
|
|
*/
|
|
extern void sfxge_schedule_reset(struct sfxge_softc *sc);
|
|
extern void sfxge_sram_buf_tbl_alloc(struct sfxge_softc *sc, size_t n,
|
|
uint32_t *idp);
|
|
|
|
/*
|
|
* From sfxge_dma.c.
|
|
*/
|
|
extern int sfxge_dma_init(struct sfxge_softc *sc);
|
|
extern void sfxge_dma_fini(struct sfxge_softc *sc);
|
|
extern int sfxge_dma_alloc(struct sfxge_softc *sc, bus_size_t len,
|
|
efsys_mem_t *esmp);
|
|
extern void sfxge_dma_free(efsys_mem_t *esmp);
|
|
extern int sfxge_dma_map_sg_collapse(bus_dma_tag_t tag, bus_dmamap_t map,
|
|
struct mbuf **mp, bus_dma_segment_t *segs, int *nsegs, int maxsegs);
|
|
|
|
/*
|
|
* From sfxge_ev.c.
|
|
*/
|
|
extern int sfxge_ev_init(struct sfxge_softc *sc);
|
|
extern void sfxge_ev_fini(struct sfxge_softc *sc);
|
|
extern int sfxge_ev_start(struct sfxge_softc *sc);
|
|
extern void sfxge_ev_stop(struct sfxge_softc *sc);
|
|
extern int sfxge_ev_qpoll(struct sfxge_softc *sc, unsigned int index);
|
|
|
|
/*
|
|
* From sfxge_intr.c.
|
|
*/
|
|
extern int sfxge_intr_init(struct sfxge_softc *sc);
|
|
extern void sfxge_intr_fini(struct sfxge_softc *sc);
|
|
extern int sfxge_intr_start(struct sfxge_softc *sc);
|
|
extern void sfxge_intr_stop(struct sfxge_softc *sc);
|
|
|
|
/*
|
|
* From sfxge_mcdi.c.
|
|
*/
|
|
extern int sfxge_mcdi_init(struct sfxge_softc *sc);
|
|
extern void sfxge_mcdi_fini(struct sfxge_softc *sc);
|
|
|
|
/*
|
|
* From sfxge_port.c.
|
|
*/
|
|
extern int sfxge_port_init(struct sfxge_softc *sc);
|
|
extern void sfxge_port_fini(struct sfxge_softc *sc);
|
|
extern int sfxge_port_start(struct sfxge_softc *sc);
|
|
extern void sfxge_port_stop(struct sfxge_softc *sc);
|
|
extern void sfxge_mac_link_update(struct sfxge_softc *sc,
|
|
efx_link_mode_t mode);
|
|
extern int sfxge_mac_filter_set(struct sfxge_softc *sc);
|
|
extern int sfxge_port_ifmedia_init(struct sfxge_softc *sc);
|
|
|
|
#define SFXGE_MAX_MTU (9 * 1024)
|
|
|
|
#endif /* _SFXGE_H */
|