Re: Performance bottleneck with ndo_start_xmit

2015-07-07 Thread Jason A. Donenfeld
On Tue, Jul 7, 2015 at 8:10 PM, Stephen Hemminger wrote: > Is it open source, is the source available to look at? > If not, please solve your own problems. Yes it is. Right now the repo is under password because it's supposed to keep your data secure, but I haven't audited it yet, and I don't wan

Re: Performance bottleneck with ndo_start_xmit

2015-07-07 Thread Stephen Hemminger
On Tue, 7 Jul 2015 18:32:22 +0200 "Jason A. Donenfeld" wrote: > I'm writing a kernel module that creates a virtual network device with > rtnl_link_register. Is it open source, is the source available to look at? If not, please solve your own problems. -- To unsubscribe from this list: send the l

Performance bottleneck with ndo_start_xmit

2015-07-07 Thread Jason A. Donenfeld
Hi folks, I'm writing a kernel module that creates a virtual network device with rtnl_link_register. At initialization time, it creates a UDP socket with sock_create_kern. On ndo_start_xmit, it passes the data of the skb to the UDP socket's sendmsg, after some minimal crypto and processing. The de