On Dec 29, 2007, at 7:33 AM, Dag-Erling Smørgrav wrote:
I upgraded my router cum firewall cum access point (soekris net4801
with
a cheap third-party ralink-based wlan adapter) from RELENG_6 to HEAD
and
noticed what seems to be a regression in if_ral. After a certain
amount
of use (i.e. a
Greetings,
I would like to know where (in the kernel) UDP packets are dropped.
I looked at udp_usrreq.c but is overwhelming for the 1st time. Is it
possible to use DTrace to locate where the packets are being dropped? or
is there a tool similar to 'dropwatch' which can tell me where in the
kernel
Hi!
Two questions:
(1) Is there a way to know when netmap rx rings overrun? Most NIC
drivers provide MPC (missed packet count) and sysctl for rx_overrun.
I would like to know if my application is not reading as fast, i.e., no
frames are being dropped.
(2) What is the benefit of NETMAP_DO_RX_POL
On 04/28/2016 11:35 AM, Navdeep Parhar wrote:
> On 04/28/2016 11:13, bazzoola wrote:
>> Hi!
>>
>> Two questions:
>>
>> (1) Is there a way to know when netmap rx rings overrun? Most NIC
>> drivers provide MPC (missed packet count) and sysctl for rx_ov
On 04/28/2016 12:06 PM, Luigi Rizzo wrote:
>
>
> On Thursday, April 28, 2016, bazzoola <mailto:bazzo...@gmail.com>> wrote:
>
>
>
> On 04/28/2016 11:35 AM, Navdeep Parhar wrote:
> > On 04/28/2016 11:13, bazzoola wrote:
>
Thanks Adrian, and thanks Luigi for the explanation:
On 04/28/2016 01:15 PM, Luigi Rizzo wrote:
>
> please re-read the relevant part of the manual page:
>
>RECEIVE RINGS
> On receive rings, after a netmap system call, the slots in the range
> head... tail-1 contain received packets
