mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/*
|
|
* A filtering function. There are two filters/port. Filter "0"
|
|
* is the input filter, and filter "1" is the output filter.
|
|
*/
|
|
typedef int (FILTER_FUNC)(uchar *pktp, int pktlen, ulong *scratch, int port);
|
|
#define NFILTERS 2
|
|
|
|
/*
|
|
* The per port structure
|
|
*/
|
|
typedef struct
|
|
{
|
|
int chan; /* Channel number (0-3) */
|
|
ulong portaddr; /* address of 596 port register */
|
|
volatile ulong *ca; /* address of 596 chan attention */
|
|
ulong intmask; /* Interrupt mask for this port */
|
|
ulong intack; /* Ack bit for this port */
|
|
|
|
uchar ethaddr[6]; /* Ethernet address of this port */
|
|
int is_promisc; /* Port is promiscuous */
|
|
|
|
int debug; /* Debugging turned on */
|
|
|
|
I596_ISCP *iscpp; /* Uncached ISCP pointer */
|
|
I596_SCP *scpp; /* Uncached SCP pointer */
|
|
I596_SCB *scbp; /* Uncached SCB pointer */
|
|
|
|
I596_ISCP iscp;
|
|
I596_SCB scb;
|
|
|
|
/* Command Queue */
|
|
I596_CB *cb0;
|
|
I596_CB *cbN;
|
|
I596_CB *cb_head;
|
|
I596_CB *cb_tail;
|
|
|
|
/* Receive Queue */
|
|
I596_RFD *rfd0;
|
|
I596_RFD *rfdN;
|
|
I596_RFD *rfd_head;
|
|
I596_RFD *rfd_tail;
|
|
|
|
/* Receive Buffers */
|
|
I596_RBD *rbd0;
|
|
I596_RBD *rbdN;
|
|
I596_RBD *rbd_head;
|
|
I596_RBD *rbd_tail;
|
|
int buf_size; /* Size of an RBD buffer */
|
|
int buf_cnt; /* Total RBD's allocated */
|
|
|
|
/* Rx Statistics */
|
|
ulong cnt_rx_cnt; /* Total packets rcvd, good and bad */
|
|
ulong cnt_rx_good; /* Total good packets rcvd */
|
|
ulong cnt_rx_bad; /* Total of all bad packets rcvd */
|
|
/* Subtotals can be gotten from SCB */
|
|
ulong cnt_rx_nores; /* No resources */
|
|
ulong cnt_rx_bytes; /* Total bytes rcvd */
|
|
|
|
/* Tx Statistics */
|
|
ulong cnt_tx_queued;
|
|
ulong cnt_tx_done;
|
|
ulong cnt_tx_freed;
|
|
ulong cnt_tx_nores; /* No resources */
|
|
|
|
ulong cnt_tx_bad;
|
|
ulong cnt_tx_err_late;
|
|
ulong cnt_tx_err_nocrs;
|
|
ulong cnt_tx_err_nocts;
|
|
ulong cnt_tx_err_under;
|
|
ulong cnt_tx_err_maxcol;
|
|
ulong cnt_tx_collisions;
|
|
|
|
/* Special stuff for host */
|
|
# define rfd_freed cnt_rx_cnt
|
|
ulong rbd_freed;
|
|
int host_timer;
|
|
|
|
/* Added after first beta */
|
|
ulong cnt_tx_races; /* Counts race conditions */
|
|
int spanstate;
|
|
ulong cnt_st_tx; /* send span tree pkts */
|
|
ulong cnt_st_fail_tx; /* Failures to send span tree pkts */
|
|
ulong cnt_st_fail_rbd;/* Failures to send span tree pkts */
|
|
ulong cnt_st_rx; /* rcv span tree pkts */
|
|
ulong cnt_st_rx_bad; /* bogus st packets rcvd */
|
|
ulong cnt_rx_fwd; /* Rcvd packets that were forwarded */
|
|
|
|
ulong cnt_rx_mcast; /* Multicast pkts received */
|
|
ulong cnt_tx_mcast; /* Multicast pkts transmitted */
|
|
ulong cnt_tx_bytes; /* Bytes transmitted */
|
|
|
|
/*
|
|
* Packet filtering
|
|
* Filter 0: input filter
|
|
* Filter 1: output filter
|
|
*/
|
|
|
|
ulong *filter_space[NFILTERS];
|
|
FILTER_FUNC *filter_func[NFILTERS];
|
|
ulong filter_cnt[NFILTERS];
|
|
ulong filter_len[NFILTERS];
|
|
|
|
ulong pad[ (512-300) / 4];
|
|
} PORT;
|
|
|
|
/*
|
|
* Port[0] is host interface
|
|
* Port[1..SE_NPORTS] are external 10 Base T ports. Fewer may be in
|
|
* use, depending on whether this is an SE-4 or
|
|
* an SE-6.
|
|
* Port[SE_NPORTS] Pseudo-port for Spanning tree and SNMP
|
|
*/
|
|
extern PORT Port[1+SE_NPORTS+1];
|
|
|
|
extern int Nports; /* Number of genuine ethernet controllers */
|
|
extern int Nchan; /* ... plus one for host interface */
|
|
|
|
extern int FirstChan; /* 0 or 1, depedning on whether host is used */
|
|
extern int NumChan; /* 4 or 5 */
|
|
|
|
/*
|
|
* A few globals
|
|
*/
|
|
extern int IsPromisc;
|
|
extern int MultiNicMode;
|
|
|
|
/*
|
|
* Functions
|
|
*/
|
|
extern void eth_xmit_spew_on(PORT *p, int cnt);
|
|
extern void eth_xmit_spew_off(PORT *p);
|
|
|
|
extern I596_RBD *alloc_rbds(PORT *p, int num);
|
|
|
|
extern I596_CB * eth_cb_alloc(PORT *p);
|