Date: Sun, 19 Jul 2009 18:07:53 +0900 From: Norikatsu Shigemura <nork@FreeBSD.org> To: Christophe Fillot <cf@utc.fr> Cc: Max, freebsd-emulation@FreeBSD.org, Pavel Volkov <pol@opk.ru>, Norikatsu Shigemura <nork@FreeBSD.org>, Khon <fjoe@FreeBSD.org> Subject: Re: Dynamips has two minor bugs. Message-ID: <20090719180754.eaeebccb.nork@FreeBSD.org> In-Reply-To: <20090719152407.c9f3b912.nork@FreeBSD.org> References: <20090719152407.c9f3b912.nork@FreeBSD.org>
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[-- Attachment #1 --]
On Sun, 19 Jul 2009 15:24:07 +0900
Norikatsu Shigemura <nork@FreeBSD.org> wrote:
> 2. dynamips can't communicate to real world via FreeBSD's gen_eth
> (libpcap). In this case, bpf(4) requires BIOCFEEDBACK. So I
> investigated like attached 'patch-gen_eth.c'.
Oops, I missed! I re-made a new patch. Please see attached file.
[-- Attachment #2 --]
--- gen_eth.c.orig 2007-10-14 17:43:08.000000000 +0900
+++ gen_eth.c 2009-07-19 15:46:08.291856897 +0900
@@ -22,6 +22,7 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
+#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <pthread.h>
@@ -45,8 +46,13 @@ pcap_t *gen_eth_init(char *device)
if (!(p = pcap_open_live(device,2048,TRUE,10,pcap_errbuf)))
goto pcap_error;
- /* Accept only incoming packets */
- pcap_setdirection(p,PCAP_D_IN);
+ pcap_setdirection(p,PCAP_D_INOUT);
+#ifdef BIOCFEEDBACK
+ {
+ int on = 1;
+ ioctl(pcap_fileno(p), BIOCFEEDBACK, &on);
+ }
+#endif
#else
p = pcap_open(device,2048,
PCAP_OPENFLAG_PROMISCUOUS |
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