freebsd-dev/sys/dev/nfe/if_nfevar.h
David E. O'Brien 6124fe214e Fix the jumbo frame support.
Submitted by:	Peer Chen at nVIDIA (reworked by me)
2006-11-27 00:16:47 +00:00

128 lines
3.0 KiB
C

/* $OpenBSD: if_nfevar.h,v 1.11 2006/02/19 13:57:02 damien Exp $ */
/*-
* Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD$
*/
#define NFE_IFQ_MAXLEN 64
struct nfe_tx_data {
bus_dmamap_t tx_data_map;
bus_dmamap_t active;
int nsegs;
struct mbuf *m;
};
struct nfe_tx_ring {
bus_dmamap_t tx_desc_map;
bus_dma_segment_t tx_desc_segs;
bus_addr_t physaddr;
struct nfe_desc32 *desc32;
struct nfe_desc64 *desc64;
struct nfe_tx_data data[NFE_TX_RING_COUNT];
int queued;
int cur;
int next;
bus_addr_t tx_desc_addr;
bus_addr_t tx_data_addr;
bus_dma_tag_t tx_desc_tag;
bus_dma_tag_t tx_data_tag;
};
struct nfe_jbuf {
caddr_t buf;
bus_addr_t physaddr;
SLIST_ENTRY(nfe_jbuf) jnext;
};
struct nfe_rx_data {
bus_dmamap_t rx_data_map;
bus_dma_tag_t rx_data_tag;
bus_addr_t rx_data_addr;
bus_dma_segment_t rx_data_segs;
struct mbuf *m;
};
struct nfe_rx_ring {
bus_dmamap_t rx_desc_map;
bus_dma_segment_t rx_desc_segs;
bus_dma_tag_t rx_desc_tag;
bus_addr_t rx_desc_addr;
#ifndef JMBUF
bus_dmamap_t rx_jumbo_map;
bus_dma_segment_t rx_jumbo_segs;
bus_dma_tag_t rx_jumbo_tag;
bus_addr_t rx_jumbo_addr;
caddr_t jpool;
struct nfe_jbuf jbuf[NFE_JPOOL_COUNT];
SLIST_HEAD(, nfe_jbuf) jfreelist;
#endif
bus_addr_t physaddr;
struct nfe_desc32 *desc32;
struct nfe_desc64 *desc64;
struct nfe_rx_data data[NFE_RX_RING_COUNT];
int bufsz;
int cur;
int next;
};
struct nfe_softc {
struct ifnet *nfe_ifp;
device_t nfe_dev;
device_t nfe_miibus;
struct mtx nfe_mtx;
bus_space_handle_t nfe_memh;
bus_space_tag_t nfe_memt;
struct resource *nfe_res;
struct resource *nfe_irq;
void *nfe_intrhand;
struct mii_data nfe_mii;
u_int8_t nfe_unit;
struct callout nfe_stat_ch;
struct arpcom nfe_arpcom;
bus_dma_tag_t nfe_parent_tag;
/* struct timeout nfe_tick_ch; */
void *nfe_powerhook;
int nfe_if_flags;
u_int nfe_flags;
#define NFE_JUMBO_SUP 0x01
#define NFE_40BIT_ADDR 0x02
#define NFE_HW_CSUM 0x04
#define NFE_HW_VLAN 0x08
u_int32_t rxtxctl;
u_int32_t nfe_mtu;
u_int8_t mii_phyaddr;
u_char eaddr[ETHER_ADDR_LEN];
struct task nfe_txtask;
int nfe_link;
struct nfe_tx_ring txq;
struct nfe_rx_ring rxq;
#ifdef DEVICE_POLLING
int rxcycles;
#endif
};
struct nfe_type {
u_int16_t vid_id;
u_int16_t dev_id;
char *name;
};