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Tune MXFRAMES and MXFRAMES down a little. 

Reorganize the softc for convenience in ddb.
This commit is contained in:
gwr 1997-02-13 20:43:18 +00:00
parent 6a83772a4e
commit 5997a69a3e
1 changed files with 28 additions and 26 deletions
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54
sys/arch/sun3/dev/if_ievar.h
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@ -1,12 +1,11 @@
/* $NetBSD: if_ievar.h,v 1.7 1996/12/17 21:10:47 gwr Exp $ */
/* $NetBSD: if_ievar.h,v 1.8 1997/02/13 20:43:18 gwr Exp $ */
/*
* Machine-dependent glue for the Intel Ethernet (ie) driver.
*/
#define B_PER_F 3 /* number of buffers to allocate per frame */
#define MXFRAMES 256 /* max number of frames to allow for receive */
#define MXRXBUF (MXFRAMES*B_PER_F) /* max number of buffers to allocate */
#define MXFRAMES 128 /* max number of frames to allow for receive */
#define MXRXBUF 192 /* max number of buffers to allocate */
#define IE_RBUF_SIZE 256 /* size of each buffer, MUST BE POWER OF TWO */
#define NTXBUF 2 /* number of transmit buffer/command pairs */
#define IE_TBUF_SIZE (3*512) /* length of transmit buffer */
@ -61,12 +60,7 @@ struct ie_softc {
#define sc_if sc_arpcom.ac_if /* network-visible interface */
#define sc_addr sc_arpcom.ac_enaddr /* hardware Ethernet address */
caddr_t sc_iobase; /* KVA of base of 24bit addr space */
caddr_t sc_maddr; /* KVA of base of chip's RAM */
u_int sc_msize; /* how much RAM we have/use */
caddr_t sc_reg; /* KVA of card's register */
enum ie_hardware hard_type; /* card type */
int sc_debug; /* See IEDEBUG */
/* card dependent functions: */
void (*reset_586) __P((struct ie_softc *));
@ -75,9 +69,20 @@ struct ie_softc {
void (*sc_bcopy) __P((const void *, void *, u_int));
void (*sc_bzero) __P((void *, u_int));
caddr_t sc_iobase; /* KVA of base of 24bit addr space */
caddr_t sc_maddr; /* KVA of base of chip's RAM */
u_int sc_msize; /* how much RAM we have/use */
caddr_t sc_reg; /* KVA of card's register */
enum ie_hardware hard_type; /* card type */
int want_mcsetup; /* flag for multicast setup */
int promisc; /* are we in promisc mode? */
int ntxbuf; /* number of tx frames/buffers */
int nframes; /* number of recv frames in use */
int nrxbuf; /* number of recv buffs in use */
/*
* pointers to the 3 major control structures
*/
@ -89,33 +94,30 @@ struct ie_softc {
* pointer and size of a block of KVA where the buffers
* are to be allocated from
*/
caddr_t buf_area;
char * buf_area;
int buf_area_sz;
/*
* the actual buffers (recv and xmit)
* Transmit commands, descriptors, and buffers
*/
volatile struct ie_recv_frame_desc *rframes[MXFRAMES];
volatile struct ie_recv_buf_desc *rbuffs[MXRXBUF];
volatile char *cbuffs[MXRXBUF];
int rfhead, rftail, rbhead, rbtail;
volatile struct ie_xmit_cmd *xmit_cmds[NTXBUF];
volatile struct ie_xmit_buf *xmit_buffs[NTXBUF];
u_char *xmit_cbuffs[NTXBUF];
char *xmit_cbuffs[NTXBUF];
int xmit_busy;
int xmit_free;
int xchead, xctail;
struct ie_en_addr mcast_addrs[MAXMCAST + 1];
/*
* Receive frames, descriptors, and buffers
*/
volatile struct ie_recv_frame_desc *rframes[MXFRAMES];
volatile struct ie_recv_buf_desc *rbuffs[MXRXBUF];
char *cbuffs[MXRXBUF];
int rfhead, rftail, rbhead, rbtail;
/* Multi-cast stuff */
int mcast_count;
int nframes; /* number of frames in use */
int nrxbuf; /* number of recv buffs in use */
#ifdef IEDEBUG
int sc_debug;
#endif
struct ie_en_addr mcast_addrs[MAXMCAST + 1];
};