xnf.h revision a390c5f4ee8993a46df89076c9541e825984c3a5
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*
843e19887f64dde75055cf8842fc4db2171eff45johnlev * CDDL HEADER START
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The contents of this file are subject to the terms of the
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Common Development and Distribution License (the "License").
843e19887f64dde75055cf8842fc4db2171eff45johnlev * You may not use this file except in compliance with the License.
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
843e19887f64dde75055cf8842fc4db2171eff45johnlev * or http://www.opensolaris.org/os/licensing.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * See the License for the specific language governing permissions
843e19887f64dde75055cf8842fc4db2171eff45johnlev * and limitations under the License.
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * When distributing Covered Code, include this CDDL HEADER in each
843e19887f64dde75055cf8842fc4db2171eff45johnlev * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * If applicable, add the following below this CDDL HEADER, with the
843e19887f64dde75055cf8842fc4db2171eff45johnlev * fields enclosed by brackets "[]" replaced with your own identifying
843e19887f64dde75055cf8842fc4db2171eff45johnlev * information: Portions Copyright [yyyy] [name of copyright owner]
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * CDDL HEADER END
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*
a390c5f4ee8993a46df89076c9541e825984c3a5cz * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Use is subject to license terms.
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#ifndef _SYS_XNF_H
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define _SYS_XNF_H
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#pragma ident "%Z%%M% %I% %E% SMI"
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#ifdef __cplusplus
843e19887f64dde75055cf8842fc4db2171eff45johnlevextern "C" {
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define NET_TX_RING_SIZE __RING_SIZE((netif_tx_sring_t *)0, PAGESIZE)
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define NET_RX_RING_SIZE __RING_SIZE((netif_rx_sring_t *)0, PAGESIZE)
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_MAXPKT 1500 /* MTU size */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_FRAMESIZE 1514 /* frame size including MAC header */
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_MAX_RXDESCS 256
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* Watermark for causing "interrupt on completion" for outgoing packets */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_TX_FREE_THRESH (NET_TX_RING_SIZE / 10)
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define MCAST_HASHBITS 256
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlevextern int xnf_diagnose; /* Available for use any time. */
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* Flags to set in the global xnf_diagnose */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DIAG_RX 0x01
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DIAG_TX 0x02
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DIAG_STATS 0x04
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DIAG_RX_BUFS 0x08
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* DEBUG flags */
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DEBUG_DDI 0x01
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DEBUG_TRACE 0x02
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DEBUG_SEND 0x04
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DEBUG_INT 0x08
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define XNF_DESC_ALIGN 8
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* Info pertaining to each xmit/receive buffer */
843e19887f64dde75055cf8842fc4db2171eff45johnlevstruct xnf_buffer_desc {
843e19887f64dde75055cf8842fc4db2171eff45johnlev frtn_t free_rtn; /* desballoc() structure */
843e19887f64dde75055cf8842fc4db2171eff45johnlev struct xnf *xnfp;
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_dma_handle_t dma_handle;
843e19887f64dde75055cf8842fc4db2171eff45johnlev caddr_t buf; /* DMA-able data buffer */
843e19887f64dde75055cf8842fc4db2171eff45johnlev paddr_t buf_phys;
843e19887f64dde75055cf8842fc4db2171eff45johnlev struct xnf_buffer_desc *next; /* For linking into free list */
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_acc_handle_t acc_handle;
843e19887f64dde75055cf8842fc4db2171eff45johnlev grant_ref_t grant_ref; /* grant table reference */
843e19887f64dde75055cf8842fc4db2171eff45johnlev uint16_t id; /* buffer id */
843e19887f64dde75055cf8842fc4db2171eff45johnlev};
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* Various information about each transmit packet */
843e19887f64dde75055cf8842fc4db2171eff45johnlevstruct tx_pktinfo {
843e19887f64dde75055cf8842fc4db2171eff45johnlev mblk_t *mp; /* mblk associated with packet */
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_dma_handle_t dma_handle;
843e19887f64dde75055cf8842fc4db2171eff45johnlev struct xnf_buffer_desc *bdesc; /* pointer to buffer descriptor */
843e19887f64dde75055cf8842fc4db2171eff45johnlev grant_ref_t grant_ref; /* grant table reference */
843e19887f64dde75055cf8842fc4db2171eff45johnlev uint16_t id; /* tx pkt id/free list next pointer */
843e19887f64dde75055cf8842fc4db2171eff45johnlev};
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* Per network-interface-controller driver private structure */
843e19887f64dde75055cf8842fc4db2171eff45johnlevtypedef struct xnf {
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* most interesting stuff first to assist debugging */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj dev_info_t *xnf_devinfo; /* System per-device info. */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj mac_handle_t xnf_mh; /* Nemo per-device info. */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_rx_bufs_outstanding;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_tx_descs_free;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_rx_descs_free; /* count of free rx bufs */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_n_tx; /* No. xmit descriptors */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_n_rx; /* No. recv descriptors */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_n_rx_bufs; /* No. recv DMA buffers */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_tx_start_thresh_regval;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj unsigned char xnf_mac_addr[ETHERADDRL];
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_max_rx_bufs;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_rx_buffer_count;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_tx_buffer_count;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj boolean_t xnf_connected;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj boolean_t xnf_running;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj boolean_t xnf_cksum_offload;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_interrupts;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_unclaimed_interrupts;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_norxbuf;
a390c5f4ee8993a46df89076c9541e825984c3a5cz uint64_t xnf_stat_drop;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_errrx;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_tx_attempt;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_tx_pullup;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_tx_pagebndry;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_tx_defer;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_rx_no_ringbuf;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_mac_rcv_error;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_runt;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_ipackets;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_opackets;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_rbytes;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_obytes;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_tx_cksum_deferred;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_rx_cksum_no_need;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_hvcopy_enabled; /* on/off */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint64_t xnf_stat_hvcopy_packet_processed;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj kstat_t *xnf_kstat_aux;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj struct xnf_buffer_desc *xnf_free_list;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj struct xnf_buffer_desc *xnf_tx_free_list;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj int xnf_tx_pkt_id_list;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj /* free list of avail pkt ids */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj struct tx_pktinfo xnf_tx_pkt_info[NET_TX_RING_SIZE];
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj struct xnf_buffer_desc *xnf_rxpkt_bufptr[XNF_MAX_RXDESCS];
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj mac_resource_handle_t xnf_rx_handle;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj ddi_iblock_cookie_t xnf_icookie;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj kmutex_t xnf_tx_buf_mutex;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj kmutex_t xnf_rx_buf_mutex;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj kmutex_t xnf_txlock;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj kmutex_t xnf_intrlock;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj boolean_t xnf_tx_pages_readonly;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj netif_tx_front_ring_t xnf_tx_ring; /* tx interface struct ptr */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj ddi_dma_handle_t xnf_tx_ring_dma_handle;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj ddi_acc_handle_t xnf_tx_ring_dma_acchandle;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj paddr_t xnf_tx_ring_phys_addr;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj grant_ref_t xnf_tx_ring_ref;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj netif_rx_front_ring_t xnf_rx_ring; /* rx interface struct ptr */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj ddi_dma_handle_t xnf_rx_ring_dma_handle;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj ddi_acc_handle_t xnf_rx_ring_dma_acchandle;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj paddr_t xnf_rx_ring_phys_addr;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj grant_ref_t xnf_rx_ring_ref;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj uint16_t xnf_evtchn; /* channel to back end ctlr */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj grant_ref_t xnf_gref_tx_head; /* tx grant free list */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj grant_ref_t xnf_gref_rx_head; /* rx grant free list */
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj kcondvar_t xnf_cv;
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj boolean_t xnf_rx_hvcopy; /* do we do HV copy? */
843e19887f64dde75055cf8842fc4db2171eff45johnlev} xnf_t;
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#ifdef __cplusplus
843e19887f64dde75055cf8842fc4db2171eff45johnlev}
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* _SYS_XNF_H */