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KA10: Return RFNM message for each message sent.

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This commit is contained in:
Richard Cornwell 2019-06-07 23:50:29 -04:00
parent eb73c07d7f
commit 05487845b1
1 changed files with 19 additions and 1 deletions
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20
PDP10/ka10_imp.c
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@ -375,6 +375,7 @@ struct imp_device {
ETH_QUE ReadQ;
int imp_error;
int host_error;
int rfnm_count; /* Number of pending RFNM packets */
} imp_data;
extern int32 tmxr_poll;
@ -401,6 +402,7 @@ t_stat imp_show_hostip (FILE *st, UNIT *uptr, int32 val, CONST void *des
t_stat imp_set_hostip (UNIT* uptr, int32 val, CONST char* cptr, void* desc);
t_stat imp_show_dhcpip (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
void imp_timer_task(struct imp_device *imp);
void imp_send_rfmn(struct imp_device *imp);
void imp_packet_in(struct imp_device *imp);
void imp_send_packet (struct imp_device *imp_data, int len);
void imp_free_packet(struct imp_device *imp, struct imp_packet *p);
@ -752,8 +754,22 @@ imp_packet_in(struct imp_device *imp)
int n;
int pad;
if (eth_read (&imp_data.etherface, &read_buffer, NULL) <= 0)
if (eth_read (&imp_data.etherface, &read_buffer, NULL) <= 0) {
/* Any pending packet notifications? */
if (imp->rfnm_count != 0) {
/* Create RFNM packet */
memset(&imp->rbuffer[0], 0, 256);
imp->rbuffer[0] = 0xf;
imp->rbuffer[3] = 4;
imp_unit[0].STATUS |= IMPIB;
imp_unit[0].IPOS = 0;
imp_unit[0].ILEN = 12*8;
if (!sim_is_active(&imp_unit[0]))
sim_activate(&imp_unit[0], 100);
imp->rfnm_count--;
}
return;
}
hdr = (struct imp_eth_hdr *)(&read_buffer.msg[0]);
type = ntohs(hdr->type);
if (type == ETHTYPE_ARP) {
@ -1155,6 +1171,7 @@ imp_packet_out(struct imp_device *imp, ETH_PACK *packet) {
memcpy(&pkt->ethhdr.src, &imp->mac, 6);
pkt->ethhdr.type = htons(ETHTYPE_IP);
eth_write(&imp->etherface, packet, NULL);
imp->rfnm_count++;
return;
}
}
@ -1293,6 +1310,7 @@ imp_arp_arpin(struct imp_device *imp, ETH_PACK *packet)
memcpy(&pkt->ethhdr.src, &imp->mac, 6);
pkt->ethhdr.type = htons(ETHTYPE_IP);
eth_write(&imp->etherface, &temp->packet, NULL);
imp->rfnm_count++;
imp_free_packet(imp, temp);
} else {
temp->next = nq;