Displaying 3 results from an estimated 3 matches for "mtod".
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2006 Mar 09
1
FreeBSD netfront.c / problem
...e 112 below fails
because Xen is handed the page number -1.
1 static void
2 network_alloc_rx_buffers(struct netfront_info *sc)
3 {
[...]
48 for (i = 0, m_new = sc->xn_rx_batch; m_new;
49 i++, sc->xn_rx_batchlen--, m_new = next) {
50
[...]
70 rx_pfn_array[i] = vtomach(mtod(m_new,vm_offset_t)) >> PAGE_SHIFT;
The above call fails gives -1 (i.e., an invalid virtual -> machine
translation) time since some mbufs are placed on the same page.
71
72 /* Remove this page from pseudo phys map before passing back to Xen. */
73 xen_phys_machine[((unsigned lon...
2003 May 31
3
Packet flow through IPFW+IPF+IPNAT ?
Hi.
On my FreeBSD 4.8 configured IPFW2+IPF+IPNAT and I use them all:
- IPFW - traffic accounting, shaping, balancing and filtering;
- IPFilter - policy routing;
- IPNAT - masquerading.
I want to know, how IP-packets flow through all of this components?
What's the path?
incoming: IPFW Layer2 -> IPFW&Dummynet -> IPNAT -> IPFilter ?
outgoing: IPFW Layer2 ->
2004 Apr 20
1
[patch] Raw sockets in jails
Although RAW sockets can be used when specifying the source
address of packets (defeating one of the aspects of the jail)
some people may find it usefull to use utilities like ping(8)
or traceroute(8) from inside jails.
Enclosed is a patch I have written which gives you the option
of allowing prison-root to create raw sockets inside the prison,
so