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slirp: Enable slirp debugging using XQ DEBUG=ETH

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This commit is contained in:
Mark Pizzolato 2015-10-15 15:57:53 -07:00
parent ab8151cdcc
commit 40a3e8b635
3 changed files with 14 additions and 10 deletions
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8
sim_ether.c
View file

@ -1805,7 +1805,7 @@ dev->throttle_mask = (1 << dev->throttle_burst) - 1;
return SCPE_OK;
}
static t_stat _eth_open_port(char *savname, int *eth_api, void **handle, SOCKET *fd_handle, char errbuf[PCAP_ERRBUF_SIZE], char *bpf_filter, void *opaque)
static t_stat _eth_open_port(char *savname, int *eth_api, void **handle, SOCKET *fd_handle, char errbuf[PCAP_ERRBUF_SIZE], char *bpf_filter, void *opaque, DEVICE *dptr, uint32 dbit)
{
int bufsz = (BUFSIZ < ETH_MAX_PACKET) ? ETH_MAX_PACKET : BUFSIZ;
@ -1924,7 +1924,7 @@ else { /* !tap: */
else { /* !vde: */
if (0 == strncmp("nat:", savname, 4)) {
#if defined(HAVE_SLIRP_NETWORK)
if (!(*handle = (void*) sim_slirp_open(savname+4, opaque, &_slirp_callback)))
if (!(*handle = (void*) sim_slirp_open(savname+4, opaque, &_slirp_callback, dptr, dbit)))
strncpy(errbuf, strerror(errno), PCAP_ERRBUF_SIZE-1);
else {
*eth_api = ETH_API_NAT;
@ -2081,7 +2081,7 @@ else {
}
}
r = _eth_open_port(savname, &dev->eth_api, &dev->handle, &dev->fd_handle, errbuf, NULL, (void *)dev);
r = _eth_open_port(savname, &dev->eth_api, &dev->handle, &dev->fd_handle, errbuf, NULL, (void *)dev, dptr, dbit);
if (errbuf[0]) {
sim_printf ("Eth: open error - %s\r\n", errbuf);
@ -2462,7 +2462,7 @@ if (dev->error_needs_reset) {
_eth_close_port(dev->eth_api, (pcap_t *)dev->handle, dev->fd_handle);
sim_os_sleep (ETH_ERROR_REOPEN_PAUSE);
r = _eth_open_port(dev->name, &dev->eth_api, &dev->handle, &dev->fd_handle, errbuf, dev->bpf_filter, (void *)dev);
r = _eth_open_port(dev->name, &dev->eth_api, &dev->handle, &dev->fd_handle, errbuf, dev->bpf_filter, (void *)dev, dev->dptr, dev->dbit);
dev->error_needs_reset = FALSE;
if (r == SCPE_OK)
sim_printf ("%s ReOpened: %s \n", msg, dev->name);

14
slirp/simh/sim_slirp.c
View file

@ -144,9 +144,11 @@ struct sim_slirp {
pthread_mutex_t write_buffer_lock;
void *opaque; /* opaque value passed during packet delivery */
packet_callback callback; /* slirp arriving packet delivery callback */
DEVICE *dptr;
uint32 dbit;
};
SLIRP *sim_slirp_open (const char *args, void *opaque, packet_callback callback)
SLIRP *sim_slirp_open (const char *args, void *opaque, packet_callback callback, DEVICE *dptr, uint32 dbit)
{
SLIRP *slirp = (SLIRP *)g_malloc0(sizeof(*slirp));
char *targs = g_strdup (args);
@ -294,6 +296,8 @@ else {
pfd.fd = slirp->db_chime;
pfd.events = G_IO_IN;
g_array_append_val(slirp->gpollfds, pfd);
slirp->dbit = dbit;
slirp->dptr = dptr;
sim_slirp_show(slirp, stdout);
if (sim_log && (sim_log != stdout))
@ -514,14 +518,14 @@ if (select_ret) {
/* consume the doorbell wakeup ring */
recv (slirp->db_chime, buf, sizeof (buf), 0);
}
fprintf (stderr, "Select returned %d\r\n", select_ret);
sim_debug (slirp->dbit, slirp->dptr, "Select returned %d\r\n", select_ret);
for (i=0; i<nfds+1; i++) {
if (FD_ISSET(i, &rfds) || FD_ISSET(i, &save_rfds))
fprintf (stderr, "%d: save_rfd=%d, rfd=%d\r\n", i, FD_ISSET(i, &save_rfds), FD_ISSET(i, &rfds));
sim_debug (slirp->dbit, slirp->dptr, "%d: save_rfd=%d, rfd=%d\r\n", i, FD_ISSET(i, &save_rfds), FD_ISSET(i, &rfds));
if (FD_ISSET(i, &wfds) || FD_ISSET(i, &save_wfds))
fprintf (stderr, "%d: save_wfd=%d, wfd=%d\r\n", i, FD_ISSET(i, &save_wfds), FD_ISSET(i, &wfds));
sim_debug (slirp->dbit, slirp->dptr, "%d: save_wfd=%d, wfd=%d\r\n", i, FD_ISSET(i, &save_wfds), FD_ISSET(i, &wfds));
if (FD_ISSET(i, &xfds) || FD_ISSET(i, &save_xfds))
fprintf (stderr, "%d: save_xfd=%d, xfd=%d\r\n", i, FD_ISSET(i, &save_xfds), FD_ISSET(i, &xfds));
sim_debug (slirp->dbit, slirp->dptr, "%d: save_xfd=%d, xfd=%d\r\n", i, FD_ISSET(i, &save_xfds), FD_ISSET(i, &xfds));
}
}
return select_ret + 1; /* Force dispatch even on timeout */

2
slirp/simh/sim_slirp.h
View file

@ -8,7 +8,7 @@ typedef struct sim_slirp SLIRP;
typedef void (*packet_callback)(void *opaque, const unsigned char *buf, int len);
SLIRP *sim_slirp_open (const char *args, void *opaque, packet_callback callback);
SLIRP *sim_slirp_open (const char *args, void *opaque, packet_callback callback, DEVICE *dptr, uint32 dbit);
void sim_slirp_close (SLIRP *slirp);
int sim_slirp_send (SLIRP *slirp, const char *msg, size_t len, int flags);
int sim_slirp_select (SLIRP *slirp, int ms_timeout);