Stas Sergeev <stsp@xxxxxxx> writes: > Aha, thanks for an explanation! > Now I've started to understand what is this all about. :) > Lets add dosemu-devel and Eric Biederman into CC. > The beginning is here: > http://marc.info/?l=linux-msdos&m=137207433306065&w=2 I can see the appeal, of unprivileged NAT. I don't think I have run any network facing applications in DOS. Does the slirp code make any pretense of supporting IPv6? Or is it the same code I used in college 20 years ago? Eric > 24.06.2013 19:38, Mateusz Viste пишет: >> It would be really cool to have this incorporated into DOSemu, so for >> example a network configuration could be something like: >> >> $_pktdriver = (on) >> $_vnet = "slirp" >> $_netdev = "/usr/bin/slirp" >> >> And such configuration would provide working network connectivity in >> any situation, without the user having to care about anything (as long >> as the host would have network itself). >> >> I even looked at DOSemu source code, and locating the point where >> DOSemu opens the TAP interface wasn't a big deal, and it would be easy >> to implement any other alternative channel there, but I could not >> locate the code where DOSemu sends/recv ethernet frames into/from the >> TAP. If anybody tells me where in the code this happens, I might try >> to look further. > Sure: in pktnew.c please find the following: > --- > if (write(pkt_fd, SEG_ADR((char *), ds, si), LWORD(ecx)) >= 0) { > pd_printf("Write to net was ok\n"); > return 1; > --- > > and the following: > --- > size = read(fd, pkt_buf, PKT_BUF_SIZE); > if (size < 0) { > p_stats->errors_in++; /* select() somehow lied */ > return 0; > --- > > and that's it. :) -- To unsubscribe from this list: send the line "unsubscribe linux-msdos" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
