194 lines
4.7 KiB
C
194 lines
4.7 KiB
C
/*-
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* Copyright (c) 2009 Yohanes Nugroho <yohanes@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _IFECEVAR_H
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#define _IFECEVAR_H
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#define ECE_MAX_TX_BUFFERS 128
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#define ECE_MAX_RX_BUFFERS 128
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#define MAX_FRAGMENT 32
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typedef struct {
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/* 1st 32Bits */
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uint32_t data_ptr;
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/* 2nd 32Bits*/
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uint32_t length:16;
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uint32_t tco:1; /*tcp checksum offload*/
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uint32_t uco:1; /*udp checksum offload*/
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uint32_t ico:1; /*ip checksum offload*/
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/* force_route_port_map*/
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uint32_t pmap:3;
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/* force_route */
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uint32_t fr:1;
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/* force_priority_value */
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uint32_t pri:3;
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/* force_priority */
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uint32_t fp:1;
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/*interrupt_bit*/
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uint32_t interrupt:1;
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/*last_seg*/
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uint32_t ls:1;
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/*first_seg*/
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uint32_t fs:1;
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/* end_bit */
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uint32_t eor:1;
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/* c_bit */
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uint32_t cown:1;
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/* 3rd 32Bits*/
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/*vid_index*/
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uint32_t vid:3;
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/*insert_vid_tag*/
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uint32_t insv:1;
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/*pppoe_section_index*/
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uint32_t sid:3;
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/*insert_pppoe_section*/
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uint32_t inss:1;
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uint32_t unused:24;
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/* 4th 32Bits*/
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uint32_t unused2;
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} eth_tx_desc_t;
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typedef struct{
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uint32_t data_ptr;
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uint32_t length:16;
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uint32_t l4f:1;
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uint32_t ipf:1;
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uint32_t prot:2;
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uint32_t hr:6;
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uint32_t sp:2;
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uint32_t ls:1;
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uint32_t fs:1;
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uint32_t eor:1;
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uint32_t cown:1;
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uint32_t unused;
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uint32_t unused2;
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} eth_rx_desc_t;
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struct rx_desc_info {
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struct mbuf*buff;
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bus_dmamap_t dmamap;
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eth_rx_desc_t *desc;
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};
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struct tx_desc_info {
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struct mbuf*buff;
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bus_dmamap_t dmamap;
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eth_tx_desc_t *desc;
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};
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struct ece_softc
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{
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struct ifnet *ifp; /* ifnet pointer */
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struct mtx sc_mtx; /* global mutex */
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struct mtx sc_mtx_tx; /* tx mutex */
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struct mtx sc_mtx_rx; /* rx mutex */
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struct mtx sc_mtx_cleanup; /* rx mutex */
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bus_dma_tag_t sc_parent_tag; /* parent bus DMA tag */
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device_t dev; /* Myself */
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device_t miibus; /* My child miibus */
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void *intrhand; /* Interrupt handle */
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void *intrhand_qf; /* queue full */
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void *intrhand_tx; /* tx complete */
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void *intrhand_status; /* error status */
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struct resource *irq_res_tx; /* transmit */
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struct resource *irq_res_rec; /* receive */
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struct resource *irq_res_qf; /* queue full */
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struct resource *irq_res_status; /* status */
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struct resource *mem_res; /* Memory resource */
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struct callout tick_ch; /* Tick callout */
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struct taskqueue *sc_tq;
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struct task sc_intr_task;
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struct task sc_cleanup_task;
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struct task sc_tx_task;
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bus_dmamap_t dmamap_ring_tx;
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bus_dmamap_t dmamap_ring_rx;
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bus_dmamap_t rx_sparemap;
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/*dma tag for ring*/
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bus_dma_tag_t dmatag_ring_tx;
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bus_dma_tag_t dmatag_ring_rx;
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/*dma tag for data*/
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bus_dma_tag_t dmatag_data_tx;
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bus_dma_tag_t dmatag_data_rx;
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/*the ring*/
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eth_tx_desc_t* desc_tx;
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eth_rx_desc_t* desc_rx;
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/*ring physical address*/
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bus_addr_t ring_paddr_tx;
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bus_addr_t ring_paddr_rx;
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/*index of last received descriptor*/
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uint32_t last_rx;
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struct rx_desc_info rx_desc[ECE_MAX_RX_BUFFERS];
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/* tx producer index */
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uint32_t tx_prod;
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/* tx consumer index */
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uint32_t tx_cons;
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/* tx ring index*/
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uint32_t desc_curr_tx;
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struct tx_desc_info tx_desc[ECE_MAX_TX_BUFFERS];
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};
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struct arl_table_entry_t {
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uint32_t cmd_complete: 1;
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uint32_t table_end: 1;
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uint32_t search_match: 1;
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uint32_t filter:1; /*if set, packet will be dropped */
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uint32_t vlan_mac:1; /*indicates that this is the gateway mac address*/
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uint32_t vlan_gid:3; /*vlan id*/
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uint32_t age_field:3;
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uint32_t port_map:3;
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/*48 bit mac address*/
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uint8_t mac_addr[6];
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uint8_t pad[2];
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};
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struct mac_list{
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char mac_addr[6];
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struct mac_list *next;
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};
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#endif
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