if_xennetvar.h revision 1.2.2.2
1 1.2.2.2 skrll /* $NetBSD: if_xennetvar.h,v 1.2.2.2 2004/08/03 10:43:11 skrll Exp $ */ 2 1.2.2.2 skrll 3 1.2.2.2 skrll /* 4 1.2.2.2 skrll * 5 1.2.2.2 skrll * Copyright (c) 2004 Christian Limpach. 6 1.2.2.2 skrll * All rights reserved. 7 1.2.2.2 skrll * 8 1.2.2.2 skrll * Redistribution and use in source and binary forms, with or without 9 1.2.2.2 skrll * modification, are permitted provided that the following conditions 10 1.2.2.2 skrll * are met: 11 1.2.2.2 skrll * 1. Redistributions of source code must retain the above copyright 12 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer. 13 1.2.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer in the 15 1.2.2.2 skrll * documentation and/or other materials provided with the distribution. 16 1.2.2.2 skrll * 3. All advertising materials mentioning features or use of this software 17 1.2.2.2 skrll * must display the following acknowledgement: 18 1.2.2.2 skrll * This product includes software developed by Christian Limpach. 19 1.2.2.2 skrll * 4. The name of the author may not be used to endorse or promote products 20 1.2.2.2 skrll * derived from this software without specific prior written permission. 21 1.2.2.2 skrll * 22 1.2.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.2.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.2.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.2.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.2.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.2.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.2.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.2.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.2.2.2 skrll */ 33 1.2.2.2 skrll 34 1.2.2.2 skrll 35 1.2.2.2 skrll #ifndef _XEN_IF_XENNETVAR_H_ 36 1.2.2.2 skrll #define _XEN_IF_XENNETVAR_H_ 37 1.2.2.2 skrll 38 1.2.2.2 skrll #include <machine/xen.h> 39 1.2.2.2 skrll #include <machine/hypervisor-ifs/network.h> 40 1.2.2.2 skrll 41 1.2.2.2 skrll union xennet_bufarray { 42 1.2.2.2 skrll struct mbuf *xb_m; 43 1.2.2.2 skrll struct { 44 1.2.2.2 skrll vaddr_t xbrx_va; 45 1.2.2.2 skrll paddr_t xbrx_ptpa; 46 1.2.2.2 skrll struct xennet_softc *xbrx_sc; 47 1.2.2.2 skrll } xb_rx; 48 1.2.2.2 skrll int xb_next; 49 1.2.2.2 skrll }; 50 1.2.2.2 skrll 51 1.2.2.2 skrll struct xennet_txbuf { 52 1.2.2.2 skrll SLIST_ENTRY(xennet_txbuf) xt_next; 53 1.2.2.2 skrll struct xennet_softc *xt_sc; 54 1.2.2.2 skrll paddr_t xt_pa; 55 1.2.2.2 skrll u_char xt_buf[0]; 56 1.2.2.2 skrll }; 57 1.2.2.2 skrll #define TXBUF_PER_PAGE 2 58 1.2.2.2 skrll #define TXBUF_BUFSIZE (PAGE_SIZE / TXBUF_PER_PAGE) - sizeof(struct xennet_txbuf) 59 1.2.2.2 skrll 60 1.2.2.2 skrll struct xennet_softc { 61 1.2.2.2 skrll struct device sc_dev; /* base device glue */ 62 1.2.2.2 skrll struct ethercom sc_ethercom; /* Ethernet common part */ 63 1.2.2.2 skrll 64 1.2.2.2 skrll int sc_ifno; 65 1.2.2.2 skrll 66 1.2.2.2 skrll uint8_t sc_enaddr[6]; 67 1.2.2.2 skrll 68 1.2.2.2 skrll #ifdef mediacode 69 1.2.2.2 skrll struct ifmedia sc_media; 70 1.2.2.2 skrll #endif 71 1.2.2.2 skrll 72 1.2.2.2 skrll net_ring_t *sc_net_ring; 73 1.2.2.2 skrll net_idx_t *sc_net_idx; 74 1.2.2.2 skrll 75 1.2.2.2 skrll uint32_t sc_tx_entries; 76 1.2.2.2 skrll uint32_t sc_tx_resp_cons; 77 1.2.2.2 skrll 78 1.2.2.2 skrll uint32_t sc_rx_resp_cons; 79 1.2.2.2 skrll uint32_t sc_rx_bufs_to_notify; 80 1.2.2.2 skrll 81 1.2.2.2 skrll union xennet_bufarray sc_tx_bufa[TX_RING_SIZE]; 82 1.2.2.2 skrll union xennet_bufarray sc_rx_bufa[TX_RING_SIZE]; 83 1.2.2.2 skrll 84 1.2.2.2 skrll SLIST_HEAD(, xennet_txbuf) sc_tx_bufs; 85 1.2.2.2 skrll }; 86 1.2.2.2 skrll 87 1.2.2.2 skrll struct xennet_attach_args { 88 1.2.2.2 skrll const char *xa_device; 89 1.2.2.2 skrll netop_t xa_netop; 90 1.2.2.2 skrll }; 91 1.2.2.2 skrll 92 1.2.2.2 skrll struct nfs_diskless; 93 1.2.2.2 skrll 94 1.2.2.2 skrll int xennet_scan(struct device *, struct xennet_attach_args *, cfprint_t); 95 1.2.2.2 skrll void xennet_start(struct ifnet *); 96 1.2.2.2 skrll int xennet_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); 97 1.2.2.2 skrll void xennet_watchdog(struct ifnet *ifp); 98 1.2.2.2 skrll int xennet_bootstatic_callback(struct nfs_diskless *); 99 1.2.2.2 skrll 100 1.2.2.2 skrll #endif /* _XEN_IF_XENNETVAR_H_ */ 101
Indexes created Wed Oct 15 16:09:53 GMT 2025