From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: AW: ACK behaviour difference LRO/GRO Date: Tue, 29 Oct 2013 15:58:15 +0200 Message-ID: <526FBEF7.2030807@mellanox.com> References: <12EF8D94C6F8734FB2FF37B9FBEDD173585A080F@EXCHANGE.collogia.de>,<526F725A.1040009@mellanox.com> <12EF8D94C6F8734FB2FF37B9FBEDD173585A0CFD@EXCHANGE.collogia.de> <526F9F5A.7010903@mellanox.com> <526FB051.5020709@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <526FB051.5020709-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Erez Shitrit Cc: Markus Stockhausen , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Yishai Hadas , "s.wendy.cheng-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" , Erez Shitrit , Saeed Mahameed List-Id: linux-rdma@vger.kernel.org On 29/10/2013 14:55, Erez Shitrit wrote: > In addition to what Or just wrote, > GRO currently doesn't work on ipoib interfaces, that according to bad > handling mac address that are not 6 bytes (we have plans to fix that > in the near future), that is the reason you don't see 64k packets on > tcpdump (like you see in LRO). I just checked with net-next which is 3.12-rc6+ and there IS aggregationfor datagram mode > 15:56:40.983883 IP 192.168.20.18.55714 > 192.168.20.17.40861: Flags > [.], seq 1801688305:1801692289, ack 1, win 220, options [nop,nop,TS > val 44014459 ecr 305403520], length 3984 > 15:56:40.983942 IP 192.168.20.18.55714 > 192.168.20.17.40861: Flags > [.], seq 1801692289:1801756033, ack 1, win 220, options [nop,nop,TS > val 44014459 ecr 305403520], length 63744 > 15:56:40.984027 IP 192.168.20.18.55714 > 192.168.20.17.40861: Flags > [.], seq 1801756033:1801819777, ack 1, win 220, options [nop,nop,TS > val 44014459 ecr 305403520], length 63744 > 15:56:40.984079 IP 192.168.20.17.40861 > 192.168.20.18.55714: Flags > [.], ack 1801688305, win 1544, options [nop,nop,TS val 305403520 ecr > 44014459], length 0 > 15:56:40.984104 IP 192.168.20.18.55714 > 192.168.20.17.40861: Flags > [.], seq 1801819777:1801823649, ack 1, win 220, options [nop,nop,TS > val 44014459 ecr 305403520], length 3872 > 15:56:40.984159 IP 192.168.20.18.55714 > 192.168.20.17.40861: Flags > [.], seq 1801823649:1801883521, ack 1, win 220, options [nop,nop,TS > val 44014459 ecr 305403520], length 59872 > 15:56:40.984214 IP 192.168.20.17.40861 > 192.168.20.18.55714: Flags > [.], ack 1801819777, win 1009, options [nop,nop,TS val 305403520 ecr > 44014459], length 0 > 15:56:40.984241 IP 192.168.20.18.55714 > 192.168.20.17.40861: Flags > [.], seq 1801883521:1801887393, ack 1, win 220, options [nop,nop,TS > val 44014459 ecr 305403520], length 3872 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html