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/*-
* Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
* 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 unmodified, 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: release/9.1.0/sys/dev/age/if_agevar.h 216925 2011-01-03 18:28:30Z jhb $
*/
#ifndef _IF_AGEVAR_H
#define _IF_AGEVAR_H
#define AGE_TX_RING_CNT 256
#define AGE_RX_RING_CNT 256
#define AGE_RR_RING_CNT (AGE_TX_RING_CNT + AGE_RX_RING_CNT)
/* The following ring alignments are just guessing. */
#define AGE_TX_RING_ALIGN 16
#define AGE_RX_RING_ALIGN 16
#define AGE_RR_RING_ALIGN 16
#define AGE_CMB_ALIGN 16
#define AGE_SMB_ALIGN 16
#define AGE_TSO_MAXSEGSIZE 4096
#define AGE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header))
#define AGE_MAXTXSEGS 32
#define AGE_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF)
#define AGE_ADDR_HI(x) ((uint64_t) (x) >> 32)
#define AGE_MSI_MESSAGES 1
#define AGE_MSIX_MESSAGES 1
/* TODO : Should get real jumbo MTU size. */
#define AGE_JUMBO_FRAMELEN 10240
#define AGE_JUMBO_MTU \
(AGE_JUMBO_FRAMELEN - ETHER_VLAN_ENCAP_LEN - \
ETHER_HDR_LEN - ETHER_CRC_LEN)
#define AGE_DESC_INC(x, y) ((x) = ((x) + 1) % (y))
#define AGE_PROC_MIN 30
#define AGE_PROC_MAX (AGE_RX_RING_CNT - 1)
#define AGE_PROC_DEFAULT (AGE_RX_RING_CNT / 2)
struct age_txdesc {
struct mbuf *tx_m;
bus_dmamap_t tx_dmamap;
struct tx_desc *tx_desc;
};
struct age_rxdesc {
struct mbuf *rx_m;
bus_dmamap_t rx_dmamap;
struct rx_desc *rx_desc;
};
struct age_chain_data{
bus_dma_tag_t age_parent_tag;
bus_dma_tag_t age_buffer_tag;
bus_dma_tag_t age_tx_tag;
struct age_txdesc age_txdesc[AGE_TX_RING_CNT];
bus_dma_tag_t age_rx_tag;
struct age_rxdesc age_rxdesc[AGE_RX_RING_CNT];
bus_dma_tag_t age_tx_ring_tag;
bus_dmamap_t age_tx_ring_map;
bus_dma_tag_t age_rx_ring_tag;
bus_dmamap_t age_rx_ring_map;
bus_dmamap_t age_rx_sparemap;
bus_dma_tag_t age_rr_ring_tag;
bus_dmamap_t age_rr_ring_map;
bus_dma_tag_t age_cmb_block_tag;
bus_dmamap_t age_cmb_block_map;
bus_dma_tag_t age_smb_block_tag;
bus_dmamap_t age_smb_block_map;
int age_tx_prod;
int age_tx_cons;
int age_tx_cnt;
int age_rx_cons;
int age_rr_cons;
int age_rxlen;
struct mbuf *age_rxhead;
struct mbuf *age_rxtail;
struct mbuf *age_rxprev_tail;
};
struct age_ring_data {
struct tx_desc *age_tx_ring;
bus_addr_t age_tx_ring_paddr;
struct rx_desc *age_rx_ring;
bus_addr_t age_rx_ring_paddr;
struct rx_rdesc *age_rr_ring;
bus_addr_t age_rr_ring_paddr;
struct cmb *age_cmb_block;
bus_addr_t age_cmb_block_paddr;
struct smb *age_smb_block;
bus_addr_t age_smb_block_paddr;
};
#define AGE_TX_RING_SZ \
(sizeof(struct tx_desc) * AGE_TX_RING_CNT)
#define AGE_RX_RING_SZ \
(sizeof(struct rx_desc) * AGE_RX_RING_CNT)
#define AGE_RR_RING_SZ \
(sizeof(struct rx_rdesc) * AGE_RR_RING_CNT)
#define AGE_CMB_BLOCK_SZ sizeof(struct cmb)
#define AGE_SMB_BLOCK_SZ sizeof(struct smb)
struct age_stats {
/* Rx stats. */
uint64_t rx_frames;
uint64_t rx_bcast_frames;
uint64_t rx_mcast_frames;
uint32_t rx_pause_frames;
uint32_t rx_control_frames;
uint32_t rx_crcerrs;
uint32_t rx_lenerrs;
uint64_t rx_bytes;
uint32_t rx_runts;
uint64_t rx_fragments;
uint64_t rx_pkts_64;
uint64_t rx_pkts_65_127;
uint64_t rx_pkts_128_255;
uint64_t rx_pkts_256_511;
uint64_t rx_pkts_512_1023;
uint64_t rx_pkts_1024_1518;
uint64_t rx_pkts_1519_max;
uint64_t rx_pkts_truncated;
uint32_t rx_fifo_oflows;
uint32_t rx_desc_oflows;
uint32_t rx_alignerrs;
uint64_t rx_bcast_bytes;
uint64_t rx_mcast_bytes;
uint64_t rx_pkts_filtered;
/* Tx stats. */
uint64_t tx_frames;
uint64_t tx_bcast_frames;
uint64_t tx_mcast_frames;
uint32_t tx_pause_frames;
uint32_t tx_excess_defer;
uint32_t tx_control_frames;
uint32_t tx_deferred;
uint64_t tx_bytes;
uint64_t tx_pkts_64;
uint64_t tx_pkts_65_127;
uint64_t tx_pkts_128_255;
uint64_t tx_pkts_256_511;
uint64_t tx_pkts_512_1023;
uint64_t tx_pkts_1024_1518;
uint64_t tx_pkts_1519_max;
uint32_t tx_single_colls;
uint32_t tx_multi_colls;
uint32_t tx_late_colls;
uint32_t tx_excess_colls;
uint32_t tx_underrun;
uint32_t tx_desc_underrun;
uint32_t tx_lenerrs;
uint32_t tx_pkts_truncated;
uint64_t tx_bcast_bytes;
uint64_t tx_mcast_bytes;
};
/*
* Software state per device.
*/
struct age_softc {
struct ifnet *age_ifp;
device_t age_dev;
device_t age_miibus;
struct resource *age_res[1];
struct resource_spec *age_res_spec;
struct resource *age_irq[AGE_MSI_MESSAGES];
struct resource_spec *age_irq_spec;
void *age_intrhand[AGE_MSI_MESSAGES];
int age_rev;
int age_chip_rev;
int age_phyaddr;
uint8_t age_eaddr[ETHER_ADDR_LEN];
uint32_t age_dma_rd_burst;
uint32_t age_dma_wr_burst;
int age_flags;
#define AGE_FLAG_PCIE 0x0001
#define AGE_FLAG_PCIX 0x0002
#define AGE_FLAG_MSI 0x0004
#define AGE_FLAG_MSIX 0x0008
#define AGE_FLAG_PMCAP 0x0010
#define AGE_FLAG_DETACH 0x4000
#define AGE_FLAG_LINK 0x8000
struct callout age_tick_ch;
struct age_stats age_stat;
struct age_chain_data age_cdata;
struct age_ring_data age_rdata;
int age_if_flags;
int age_watchdog_timer;
int age_process_limit;
int age_int_mod;
int age_max_frame_size;
int age_morework;
int age_rr_prod;
int age_tpd_cons;
struct task age_int_task;
struct task age_link_task;
struct taskqueue *age_tq;
struct mtx age_mtx;
};
/* Register access macros. */
#define CSR_WRITE_4(_sc, reg, val) \
bus_write_4((_sc)->age_res[0], (reg), (val))
#define CSR_WRITE_2(_sc, reg, val) \
bus_write_2((_sc)->age_res[0], (reg), (val))
#define CSR_READ_2(_sc, reg) \
bus_read_2((_sc)->age_res[0], (reg))
#define CSR_READ_4(_sc, reg) \
bus_read_4((_sc)->age_res[0], (reg))
#define AGE_LOCK(_sc) mtx_lock(&(_sc)->age_mtx)
#define AGE_UNLOCK(_sc) mtx_unlock(&(_sc)->age_mtx)
#define AGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->age_mtx, MA_OWNED)
#define AGE_COMMIT_MBOX(_sc) \
do { \
CSR_WRITE_4(_sc, AGE_MBOX, \
(((_sc)->age_cdata.age_rx_cons << MBOX_RD_PROD_IDX_SHIFT) & \
MBOX_RD_PROD_IDX_MASK) | \
(((_sc)->age_cdata.age_rr_cons << \
MBOX_RRD_CONS_IDX_SHIFT) & MBOX_RRD_CONS_IDX_MASK) | \
(((_sc)->age_cdata.age_tx_prod << MBOX_TD_PROD_IDX_SHIFT) & \
MBOX_TD_PROD_IDX_MASK)); \
} while (0)
#define AGE_RXCHAIN_RESET(_sc) \
do { \
(_sc)->age_cdata.age_rxhead = NULL; \
(_sc)->age_cdata.age_rxtail = NULL; \
(_sc)->age_cdata.age_rxprev_tail = NULL; \
(_sc)->age_cdata.age_rxlen = 0; \
} while (0)
#define AGE_TX_TIMEOUT 5
#define AGE_RESET_TIMEOUT 100
#define AGE_TIMEOUT 1000
#define AGE_PHY_TIMEOUT 1000
#endif /* _IF_AGEVAR_H */