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freebsd-skq/sys/dev/et/if_etvar.h

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/*-
* Copyright (c) 2007 Sepherosa Ziehau. All rights reserved.
*
* This code is derived from software contributed to The DragonFly Project
* by Sepherosa Ziehau <sepherosa@gmail.com>
*
* 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.
* 3. Neither the name of The DragonFly Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific, prior written permission.
*
* 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 HOLDERS 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.
*
* $DragonFly: src/sys/dev/netif/et/if_etvar.h,v 1.4 2007/10/23 14:28:42 sephe Exp $
* $FreeBSD$
*/
#ifndef _IF_ETVAR_H
#define _IF_ETVAR_H
#define ET_RING_ALIGN 4096
#define ET_STATUS_ALIGN 8
#define ET_NSEG_MAX 32 /* XXX no limit actually */
#define ET_NSEG_SPARE 4
#define ET_TX_NDESC 512
#define ET_RX_NDESC 512
#define ET_RX_NRING 2
#define ET_RX_NSTAT (ET_RX_NRING * ET_RX_NDESC)
#define ET_TX_RING_SIZE (ET_TX_NDESC * sizeof(struct et_txdesc))
#define ET_RX_RING_SIZE (ET_RX_NDESC * sizeof(struct et_rxdesc))
#define ET_RXSTAT_RING_SIZE (ET_RX_NSTAT * sizeof(struct et_rxstat))
#define ET_JUMBO_FRAMELEN (ET_MEM_SIZE - ET_MEM_RXSIZE_MIN - \
ET_MEM_TXSIZE_EX)
#define ET_JUMBO_MTU (ET_JUMBO_FRAMELEN - ETHER_HDR_LEN - \
EVL_ENCAPLEN - ETHER_CRC_LEN)
#define ET_FRAMELEN(mtu) (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + \
(mtu) + ETHER_CRC_LEN)
#define ET_JSLOTS (ET_RX_NDESC + 128)
#define ET_JLEN (ET_JUMBO_FRAMELEN + ETHER_ALIGN)
#define ET_JUMBO_MEM_SIZE (ET_JSLOTS * ET_JLEN)
#define CSR_WRITE_4(sc, reg, val) \
bus_write_4((sc)->sc_mem_res, (reg), (val))
#define CSR_READ_4(sc, reg) \
bus_read_4((sc)->sc_mem_res, (reg))
#define ET_ADDR_HI(addr) ((uint64_t) (addr) >> 32)
#define ET_ADDR_LO(addr) ((uint64_t) (addr) & 0xffffffff)
struct et_txdesc {
uint32_t td_addr_hi;
uint32_t td_addr_lo;
uint32_t td_ctrl1; /* ET_TDCTRL1_ */
uint32_t td_ctrl2; /* ET_TDCTRL2_ */
};
#define ET_TDCTRL1_LEN_MASK 0x0000FFFF
#define ET_TDCTRL2_LAST_FRAG 0x00000001
#define ET_TDCTRL2_FIRST_FRAG 0x00000002
#define ET_TDCTRL2_INTR 0x00000004
#define ET_TDCTRL2_CTRL_WORD 0x00000008
#define ET_TDCTRL2_HDX_BACKP 0x00000010
#define ET_TDCTRL2_XMIT_PAUSE 0x00000020
#define ET_TDCTRL2_FRAME_ERR 0x00000040
#define ET_TDCTRL2_NO_CRC 0x00000080
#define ET_TDCTRL2_MAC_OVRRD 0x00000100
#define ET_TDCTRL2_PAD_PACKET 0x00000200
#define ET_TDCTRL2_JUMBO_PACKET 0x00000400
#define ET_TDCTRL2_INS_VLAN 0x00000800
#define ET_TDCTRL2_CSUM_IP 0x00001000
#define ET_TDCTRL2_CSUM_TCP 0x00002000
#define ET_TDCTRL2_CSUM_UDP 0x00004000
struct et_rxdesc {
uint32_t rd_addr_lo;
uint32_t rd_addr_hi;
uint32_t rd_ctrl; /* ET_RDCTRL_ */
};
#define ET_RDCTRL_BUFIDX_MASK 0x000003FF
struct et_rxstat {
uint32_t rxst_info1;
uint32_t rxst_info2; /* ET_RXST_INFO2_ */
};
#define ET_RXST_INFO1_HASH_PASS 0x00000001
#define ET_RXST_INFO1_IPCSUM 0x00000002
#define ET_RXST_INFO1_IPCSUM_OK 0x00000004
#define ET_RXST_INFO1_TCPCSUM 0x00000008
#define ET_RXST_INFO1_TCPCSUM_OK 0x00000010
#define ET_RXST_INFO1_WOL 0x00000020
#define ET_RXST_INFO1_RXMAC_ERR 0x00000040
#define ET_RXST_INFO1_DROP 0x00000080
#define ET_RXST_INFO1_FRAME_TRUNC 0x00000100
#define ET_RXST_INFO1_JUMBO 0x00000200
#define ET_RXST_INFO1_VLAN 0x00000400
#define ET_RXST_INFO1_PREV_FRMAE_DROP 0x00010000
#define ET_RXST_INFO1_SHORT 0x00020000
#define ET_RXST_INFO1_BAD_CARRIER 0x00040000
#define ET_RXST_INFO1_CODE_ERR 0x00080000
#define ET_RXST_INFO1_CRC_ERR 0x00100000
#define ET_RXST_INFO1_LEN_MISMATCH 0x00200000
#define ET_RXST_INFO1_TOO_LONG 0x00400000
#define ET_RXST_INFO1_OK 0x00800000
#define ET_RXST_INFO1_MULTICAST 0x01000000
#define ET_RXST_INFO1_BROADCAST 0x02000000
#define ET_RXST_INFO1_DRIBBLE 0x04000000
#define ET_RXST_INFO1_CTL_FRAME 0x08000000
#define ET_RXST_INFO1_PAUSE_FRAME 0x10000000
#define ET_RXST_INFO1_UNKWN_CTL_FRAME 0x20000000
#define ET_RXST_INFO1_VLAN_TAG 0x40000000
#define ET_RXST_INFO1_LONG_EVENT 0x80000000
#define ET_RXST_INFO2_LEN_MASK 0x0000FFFF
#define ET_RXST_INFO2_LEN_SHIFT 0
#define ET_RXST_INFO2_BUFIDX_MASK 0x03FF0000
#define ET_RXST_INFO2_BUFIDX_SHIFT 16
#define ET_RXST_INFO2_RINGIDX_MASK 0x0C000000
#define ET_RXST_INFO2_RINGIDX_SHIFT 26
struct et_rxstatus {
uint32_t rxs_ring;
uint32_t rxs_stat_ring; /* ET_RXS_STATRING_ */
};
#define ET_RXS_STATRING_INDEX_MASK 0x0FFF0000
#define ET_RXS_STATRING_INDEX_SHIFT 16
#define ET_RXS_STATRING_WRAP 0x10000000
struct et_txbuf {
struct mbuf *tb_mbuf;
bus_dmamap_t tb_dmap;
};
struct et_rxbuf {
struct mbuf *rb_mbuf;
bus_dmamap_t rb_dmap;
};
struct et_txstatus_data {
uint32_t *txsd_status;
bus_addr_t txsd_paddr;
bus_dma_tag_t txsd_dtag;
bus_dmamap_t txsd_dmap;
};
struct et_rxstatus_data {
struct et_rxstatus *rxsd_status;
bus_addr_t rxsd_paddr;
bus_dma_tag_t rxsd_dtag;
bus_dmamap_t rxsd_dmap;
};
struct et_rxstat_ring {
struct et_rxstat *rsr_stat;
bus_addr_t rsr_paddr;
bus_dma_tag_t rsr_dtag;
bus_dmamap_t rsr_dmap;
int rsr_index;
int rsr_wrap;
};
struct et_txdesc_ring {
struct et_txdesc *tr_desc;
bus_addr_t tr_paddr;
bus_dma_tag_t tr_dtag;
bus_dmamap_t tr_dmap;
int tr_ready_index;
int tr_ready_wrap;
};
struct et_rxdesc_ring {
struct et_rxdesc *rr_desc;
bus_addr_t rr_paddr;
bus_dma_tag_t rr_dtag;
bus_dmamap_t rr_dmap;
uint32_t rr_posreg;
int rr_index;
int rr_wrap;
};
struct et_txbuf_data {
struct et_txbuf tbd_buf[ET_TX_NDESC];
int tbd_start_index;
int tbd_start_wrap;
int tbd_used;
};
struct et_softc;
struct et_rxbuf_data;
struct et_rxbuf_data {
struct et_rxbuf rbd_buf[ET_RX_NDESC];
struct et_softc *rbd_softc;
struct et_rxdesc_ring *rbd_ring;
int rbd_bufsize;
int (*rbd_newbuf)(struct et_rxbuf_data *, int);
void (*rbd_discard)(struct et_rxbuf_data *, int);
};
struct et_hw_stats {
/* RX/TX stats. */
uint64_t pkts_64;
uint64_t pkts_65;
uint64_t pkts_128;
uint64_t pkts_256;
uint64_t pkts_512;
uint64_t pkts_1024;
uint64_t pkts_1519;
/* RX stats. */
uint64_t rx_bytes;
uint64_t rx_frames;
uint32_t rx_crcerrs;
uint64_t rx_mcast;
uint64_t rx_bcast;
uint32_t rx_control;
uint32_t rx_pause;
uint32_t rx_unknown_control;
uint32_t rx_alignerrs;
uint32_t rx_lenerrs;
uint32_t rx_codeerrs;
uint32_t rx_cserrs;
uint32_t rx_runts;
uint64_t rx_oversize;
uint32_t rx_fragments;
uint32_t rx_jabbers;
uint32_t rx_drop;
/* TX stats. */
uint64_t tx_bytes;
uint64_t tx_frames;
uint64_t tx_mcast;
uint64_t tx_bcast;
uint32_t tx_pause;
uint32_t tx_deferred;
uint32_t tx_excess_deferred;
uint32_t tx_single_colls;
uint32_t tx_multi_colls;
uint32_t tx_late_colls;
uint32_t tx_excess_colls;
uint32_t tx_total_colls;
uint32_t tx_pause_honored;
uint32_t tx_drop;
uint32_t tx_jabbers;
uint32_t tx_crcerrs;
uint32_t tx_control;
uint64_t tx_oversize;
uint32_t tx_undersize;
uint32_t tx_fragments;
};
struct et_softc {
struct ifnet *ifp;
device_t dev;
struct mtx sc_mtx;
device_t sc_miibus;
void *sc_irq_handle;
struct resource *sc_irq_res;
struct resource *sc_mem_res;
int sc_if_flags;
uint32_t sc_flags; /* ET_FLAG_ */
int sc_expcap;
int sc_mem_rid;
int sc_irq_rid;
struct callout sc_tick;
int watchdog_timer;
bus_dma_tag_t sc_dtag;
struct et_rxdesc_ring sc_rx_ring[ET_RX_NRING];
struct et_rxstat_ring sc_rxstat_ring;
struct et_rxstatus_data sc_rx_status;
struct et_txdesc_ring sc_tx_ring;
struct et_txstatus_data sc_tx_status;
bus_dma_tag_t sc_mbuf_dtag;
bus_dma_tag_t sc_rx_mini_tag;
bus_dmamap_t sc_rx_mini_sparemap;
bus_dma_tag_t sc_rx_tag;
bus_dmamap_t sc_rx_sparemap;
bus_dma_tag_t sc_tx_tag;
struct et_rxbuf_data sc_rx_data[ET_RX_NRING];
struct et_txbuf_data sc_tx_data;
struct et_hw_stats sc_stats;
uint32_t sc_tx;
uint32_t sc_tx_intr;
/*
* Sysctl variables
*/
int sc_rx_intr_npkts;
int sc_rx_intr_delay;
int sc_tx_intr_nsegs;
uint32_t sc_timer;
};
#define ET_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define ET_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#define ET_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
#define ET_FLAG_PCIE 0x0001
#define ET_FLAG_MSI 0x0002
#define ET_FLAG_FASTETHER 0x0004
#define ET_FLAG_TXRX_ENABLED 0x0100
#define ET_FLAG_JUMBO 0x0200
#define ET_FLAG_LINK 0x8000
#endif /* !_IF_ETVAR_H */
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