How to use netmap pkt-gen on 9.1?

[Olivier Cochard-Labbé]

On Wed, Jan 9, 2013 at 12:02 AM, Luigi Rizzo <rizzo at iet.unipi.it> wrote:

> not your mistake, on stable/9 i have not merged yet the
> device driver changes.
> Your best option is to copy sys/dev/netmap from HEAD,
> and add the device-specific chunks also from HEAD
> into the various drivers (dev/e1000, dev/ixgbe, dev/re)
>

Ok but before starting to merge the changes, I've tested with a
-current and meet the same problem (under virtualbox):

[root at router]~# uname -a
FreeBSD router.bsdrp.net 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r245223:
Wed Jan  9 11:28:12 CET 2013
root at orange.bsdrp.net:/usr/obj/BSDRP.amd64/usr/local/BSDRPexp/FreeBSD/src/sys/amd64
 amd64
[root at router]~# kldload netmap
netmap: loaded module
[root at router]~# pkt-gen -i em0 -t 50 -d 1.1.1.2 -s 1.1.1.1 -D aa:aa:00:00:02:12
main [832] ether887.679157 netmap_memory_config [688] reconfiguring
_aton(aa:aa:00:0887.682154 netmap_config_obj_allocator [563] objsize
1024 clustsize 4096 objects 4
0:02:12) gives 0887.684256 netmap_config_obj_allocator [563] objsize
36864 clustsize 36864 objects 1
x800fc0a70
887.686584 netmap_config_obj_allocator [563] objsize 2048 clustsize
4096 objects 2
887.688061 netmap_memory_config [708] Have 100 KB for interfaces, 7200
KB for rings and 320 MB for buffers
887.690015 netmap_finalize_obj_allocator [654] Pre-allocated 25
clusters (4/100KB) for 'netmap_if'
887.694443 netmap_finalize_obj_allocator [654] Pre-allocated 200
clusters (36/7200KB) for 'netmap_ring'
887.938950 netmap_finalize_obj_allocator [654] Pre-allocated 81920
clusters (4/327680KB) for 'netmap_buf'
main [900] map size is 334980 Kb
main [906] Unable to get if info for em0
main [913] bad nthreads 1, have 0 queues
main [922] mmapping 0 Kbytes
main [927] Unable to mmap 0 KB
main [941] Unable to register interface em0
Sending on em0: 0 queues, 1 threads and 1 cpus.
1.1.1.1 -> 1.1.1.2 (aa:aa:00:01:01:01 -> aa:aa:00:00:02:12)
main [975] Wait 2 secs for phy reset
main [977] Ready889.942650 netmap_memory_finalize [724] busy (refcount 2)
...
main [1028] Unable to register em0
main [1085] 0 pp890.952608 netmap_ioctl [1073] deprecated, data is
0xffffff8000323b90
s
Sent 0 packets, 60 bytes each, in 0.00 second890.955473
netmap_memory_deref [950] refcount = 1
s.
Speed: nanpp890.956985 netmap_close [575] dev 0xfffffe00210f8400 fflag
0x3 devtype 8192 td 0xfffffe000a0d8000
s. Bandwidth: nanbps (nanbps with overhead).
890.960688 netmap_memory_deref [950] refcount = 0