/* $NetBSD: dwc_eqos_var.h,v 1.11 2024/10/04 10:42:12 skrll Exp $ */
/*-
* Copyright (c) 2022 Jared McNeill <
[email protected]>
* All rights reserved.
*
* 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 ``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 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.
*/
/*
* DesignWare Ethernet Quality-of-Service controller
*/
#ifndef _DWC_EQOS_VAR_H
#define _DWC_EQOS_VAR_H
#include <dev/ic/dwc_eqos_reg.h>
#define EQOS_DMA_DESC_COUNT 256
#define EQOS_DMA_PBL_DEFAULT 8
struct eqos_bufmap {
bus_dmamap_t map;
struct mbuf *mbuf;
};
struct eqos_ring {
struct eqos_softc *sc;
bus_dmamap_t desc_map;
bus_dma_segment_t desc_dmaseg;
struct eqos_dma_desc *desc_ring;
bus_addr_t desc_ring_paddr;
struct eqos_bufmap buf_map[EQOS_DMA_DESC_COUNT];
u_int cur, next, queued;
};
struct eqos_softc {
device_t sc_dev;
bus_space_tag_t sc_bst;
bus_space_handle_t sc_bsh;
bus_dma_tag_t sc_dmat;
int sc_phy_id;
uint32_t sc_csr_clock;
uint32_t sc_clock_range;
uint32_t sc_hw_feature[4];
uint32_t sc_dma_txpbl;
uint32_t sc_dma_rxpbl;
struct ethercom sc_ec;
struct mii_data sc_mii;
callout_t sc_stat_ch;
kmutex_t sc_lock;
kmutex_t sc_txlock;
u_short sc_if_flags;
bool sc_txrunning;
struct eqos_ring sc_tx;
struct eqos_ring sc_rx;
/* receiving context for jumbo frame */
bool sc_rx_discarding;
struct mbuf *sc_rx_receiving_m;
struct mbuf *sc_rx_receiving_m_last;
krndsource_t sc_rndsource;
struct sysctllog *sc_sysctllog;
uint32_t sc_debug;
/* Indents indicate groups within evcnt. */
struct evcnt sc_ev_intr;
struct evcnt sc_ev_rxintr;
struct evcnt sc_ev_txintr;
struct evcnt sc_ev_mac;
struct evcnt sc_ev_mtl;
struct evcnt sc_ev_mtl_debugdata;
struct evcnt sc_ev_mtl_rxovfis;
struct evcnt sc_ev_mtl_txovfis;
struct evcnt sc_ev_status;
struct evcnt sc_ev_rwt;
struct evcnt sc_ev_excol;
struct evcnt sc_ev_lcol;
struct evcnt sc_ev_exdef;
struct evcnt sc_ev_lcarr;
struct evcnt sc_ev_ncarr;
struct evcnt sc_ev_tjt;
};
int eqos_attach(struct eqos_softc *);
int eqos_intr(void *);
#endif /* !_DWC_EQOS_VAR_H */
