diff options
Diffstat (limited to 'sys/dev/age/if_agevar.h')
| -rw-r--r-- | sys/dev/age/if_agevar.h | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/sys/dev/age/if_agevar.h b/sys/dev/age/if_agevar.h new file mode 100644 index 0000000..fe50eef --- /dev/null +++ b/sys/dev/age/if_agevar.h @@ -0,0 +1,272 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +#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; +}; + +STAILQ_HEAD(age_txdq, age_txdesc); + +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_tx_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 */ |
