diff options
Diffstat (limited to 'drivers/net/dgrs_ether.h')
| -rw-r--r-- | drivers/net/dgrs_ether.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/net/dgrs_ether.h b/drivers/net/dgrs_ether.h new file mode 100644 index 000000000000..51596ce6cf84 --- /dev/null +++ b/drivers/net/dgrs_ether.h | |||
| @@ -0,0 +1,135 @@ | |||
| 1 | /* | ||
| 2 | * A filtering function. There are two filters/port. Filter "0" | ||
| 3 | * is the input filter, and filter "1" is the output filter. | ||
| 4 | */ | ||
| 5 | typedef int (FILTER_FUNC)(uchar *pktp, int pktlen, ulong *scratch, int port); | ||
| 6 | #define NFILTERS 2 | ||
| 7 | |||
| 8 | /* | ||
| 9 | * The per port structure | ||
| 10 | */ | ||
| 11 | typedef struct | ||
| 12 | { | ||
| 13 | int chan; /* Channel number (0-3) */ | ||
| 14 | ulong portaddr; /* address of 596 port register */ | ||
| 15 | volatile ulong *ca; /* address of 596 chan attention */ | ||
| 16 | ulong intmask; /* Interrupt mask for this port */ | ||
| 17 | ulong intack; /* Ack bit for this port */ | ||
| 18 | |||
| 19 | uchar ethaddr[6]; /* Ethernet address of this port */ | ||
| 20 | int is_promisc; /* Port is promiscuous */ | ||
| 21 | |||
| 22 | int debug; /* Debugging turned on */ | ||
| 23 | |||
| 24 | I596_ISCP *iscpp; /* Uncached ISCP pointer */ | ||
| 25 | I596_SCP *scpp; /* Uncached SCP pointer */ | ||
| 26 | I596_SCB *scbp; /* Uncached SCB pointer */ | ||
| 27 | |||
| 28 | I596_ISCP iscp; | ||
| 29 | I596_SCB scb; | ||
| 30 | |||
| 31 | /* Command Queue */ | ||
| 32 | I596_CB *cb0; | ||
| 33 | I596_CB *cbN; | ||
| 34 | I596_CB *cb_head; | ||
| 35 | I596_CB *cb_tail; | ||
| 36 | |||
| 37 | /* Receive Queue */ | ||
| 38 | I596_RFD *rfd0; | ||
| 39 | I596_RFD *rfdN; | ||
| 40 | I596_RFD *rfd_head; | ||
| 41 | I596_RFD *rfd_tail; | ||
| 42 | |||
| 43 | /* Receive Buffers */ | ||
| 44 | I596_RBD *rbd0; | ||
| 45 | I596_RBD *rbdN; | ||
| 46 | I596_RBD *rbd_head; | ||
| 47 | I596_RBD *rbd_tail; | ||
| 48 | int buf_size; /* Size of an RBD buffer */ | ||
| 49 | int buf_cnt; /* Total RBD's allocated */ | ||
| 50 | |||
| 51 | /* Rx Statistics */ | ||
| 52 | ulong cnt_rx_cnt; /* Total packets rcvd, good and bad */ | ||
| 53 | ulong cnt_rx_good; /* Total good packets rcvd */ | ||
| 54 | ulong cnt_rx_bad; /* Total of all bad packets rcvd */ | ||
| 55 | /* Subtotals can be gotten from SCB */ | ||
| 56 | ulong cnt_rx_nores; /* No resources */ | ||
| 57 | ulong cnt_rx_bytes; /* Total bytes rcvd */ | ||
| 58 | |||
| 59 | /* Tx Statistics */ | ||
| 60 | ulong cnt_tx_queued; | ||
| 61 | ulong cnt_tx_done; | ||
| 62 | ulong cnt_tx_freed; | ||
| 63 | ulong cnt_tx_nores; /* No resources */ | ||
| 64 | |||
| 65 | ulong cnt_tx_bad; | ||
| 66 | ulong cnt_tx_err_late; | ||
| 67 | ulong cnt_tx_err_nocrs; | ||
| 68 | ulong cnt_tx_err_nocts; | ||
| 69 | ulong cnt_tx_err_under; | ||
| 70 | ulong cnt_tx_err_maxcol; | ||
| 71 | ulong cnt_tx_collisions; | ||
| 72 | |||
| 73 | /* Special stuff for host */ | ||
| 74 | # define rfd_freed cnt_rx_cnt | ||
| 75 | ulong rbd_freed; | ||
| 76 | int host_timer; | ||
| 77 | |||
| 78 | /* Added after first beta */ | ||
| 79 | ulong cnt_tx_races; /* Counts race conditions */ | ||
| 80 | int spanstate; | ||
| 81 | ulong cnt_st_tx; /* send span tree pkts */ | ||
| 82 | ulong cnt_st_fail_tx; /* Failures to send span tree pkts */ | ||
| 83 | ulong cnt_st_fail_rbd;/* Failures to send span tree pkts */ | ||
| 84 | ulong cnt_st_rx; /* rcv span tree pkts */ | ||
| 85 | ulong cnt_st_rx_bad; /* bogus st packets rcvd */ | ||
| 86 | ulong cnt_rx_fwd; /* Rcvd packets that were forwarded */ | ||
| 87 | |||
| 88 | ulong cnt_rx_mcast; /* Multicast pkts received */ | ||
| 89 | ulong cnt_tx_mcast; /* Multicast pkts transmitted */ | ||
| 90 | ulong cnt_tx_bytes; /* Bytes transmitted */ | ||
| 91 | |||
| 92 | /* | ||
| 93 | * Packet filtering | ||
| 94 | * Filter 0: input filter | ||
| 95 | * Filter 1: output filter | ||
| 96 | */ | ||
| 97 | |||
| 98 | ulong *filter_space[NFILTERS]; | ||
| 99 | FILTER_FUNC *filter_func[NFILTERS]; | ||
| 100 | ulong filter_cnt[NFILTERS]; | ||
| 101 | ulong filter_len[NFILTERS]; | ||
| 102 | |||
| 103 | ulong pad[ (512-300) / 4]; | ||
| 104 | } PORT; | ||
| 105 | |||
| 106 | /* | ||
| 107 | * Port[0] is host interface | ||
| 108 | * Port[1..SE_NPORTS] are external 10 Base T ports. Fewer may be in | ||
| 109 | * use, depending on whether this is an SE-4 or | ||
| 110 | * an SE-6. | ||
| 111 | * Port[SE_NPORTS] Pseudo-port for Spanning tree and SNMP | ||
| 112 | */ | ||
| 113 | extern PORT Port[1+SE_NPORTS+1]; | ||
| 114 | |||
| 115 | extern int Nports; /* Number of genuine ethernet controllers */ | ||
| 116 | extern int Nchan; /* ... plus one for host interface */ | ||
| 117 | |||
| 118 | extern int FirstChan; /* 0 or 1, depedning on whether host is used */ | ||
| 119 | extern int NumChan; /* 4 or 5 */ | ||
| 120 | |||
| 121 | /* | ||
| 122 | * A few globals | ||
| 123 | */ | ||
| 124 | extern int IsPromisc; | ||
| 125 | extern int MultiNicMode; | ||
| 126 | |||
| 127 | /* | ||
| 128 | * Functions | ||
| 129 | */ | ||
| 130 | extern void eth_xmit_spew_on(PORT *p, int cnt); | ||
| 131 | extern void eth_xmit_spew_off(PORT *p); | ||
| 132 | |||
| 133 | extern I596_RBD *alloc_rbds(PORT *p, int num); | ||
| 134 | |||
| 135 | extern I596_CB * eth_cb_alloc(PORT *p); | ||