Re: [axe][ue0] Device send packets but any host in network can not receive any packet from it.

2010-06-03 Thread Pyun YongHyeon
On Thu, Jun 03, 2010 at 06:51:00PM +0500, Perevalov Sergey wrote: > On 02.06.2010 03:24, Pyun YongHyeon wrote: > >On Tue, Jun 01, 2010 at 11:31:13PM +0500, Perevalov Sergey wrote: > > > >>Hi! > >>I tried it with crossover cable but results was the same bad. Then set > >>debug flag hw.usb.axe.deb

Re: Is enabling jumbo frames on RTL8111C possible?

2010-06-03 Thread Pyun YongHyeon
On Thu, Jun 03, 2010 at 02:24:38PM +0200, Krzysztof Dajka wrote: > Hi, > > I'm trying to enable jumbo frames on my re0 NIC. I tried: > # ifconfig re0 mtu 1600 > ifconfig: ioctl (set mtu): Invalid argument > > I have found in /usr/src/sys/dev/re/if_re.c > /* > * These controllers support jumbo fr

Re: A slight change to tcpip_fillheaders...

2010-06-03 Thread George Neville-Neil
On Jun 3, 2010, at 04:45 , Bruce Evans wrote: > > On Wed, 2 Jun 2010, George Neville-Neil wrote: > >> A while back another src developer mentioned that he had gotten better >> performance by changing >> tcpip_fillheaders() in the following way: > > It's unlikely to make any significant or even

Re: [axe][ue0] Device send packets but any host in network can not receive any packet from it.

2010-06-03 Thread Perevalov Sergey
On 02.06.2010 03:24, Pyun YongHyeon wrote: On Tue, Jun 01, 2010 at 11:31:13PM +0500, Perevalov Sergey wrote: Hi! I tried it with crossover cable but results was the same bad. Then set debug flag hw.usb.axe.debug: to 15, and started ping -f from ue0. And in /var/log/messages I found these str

Is enabling jumbo frames on RTL8111C possible?

2010-06-03 Thread Krzysztof Dajka
Hi, I'm trying to enable jumbo frames on my re0 NIC. I tried: # ifconfig re0 mtu 1600 ifconfig: ioctl (set mtu): Invalid argument I have found in /usr/src/sys/dev/re/if_re.c /* * These controllers support jumbo frame but it seems * that enabling it requires touching additional magic * registers.

Question on ACKs on out-of-window packets

2010-06-03 Thread Srinivas Neginhal
Hi, I had a question on how the current tcp_input()/tcp_do_segment() code handles ACKs on out-of-window packets. Specifically, The code to handle packets which fall entirely to the left of the window. Here is the scenario I am analyzing right now. 1. Client has sent out a window

Re: A slight change to tcpip_fillheaders...

2010-06-03 Thread Bruce Evans
On Wed, 2 Jun 2010, George Neville-Neil wrote: A while back another src developer mentioned that he had gotten better performance by changing tcpip_fillheaders() in the following way: It's unlikely to make any significant or even measurable difference, but... I got apparent large (up to 20%)

Re: kern/147191: [ppp] Problems with ppp -nat [pppoe], ipfw, dummynet

2010-06-03 Thread Ian Smith
On Wed, 2 Jun 2010, Jose M Rodriguez wrote: > The following reply was made to PR kern/147191; it has been noted by GNATS. > > From: Jose M Rodriguez > To: bug-follo...@freebsd.org > Cc: > Subject: Re: kern/147191: [ppp] Problems with ppp -nat [pppoe], ipfw, > dummynet > Date: Wed, 02 J