On 6/21/2016 6:18 PM, Eric Dumazet wrote:
One solution would be to setup a special netdev used only for sniffers
(No IP address on it)
-> Only changes would happen in the driver, to set skb->dev to this
'debug' device.
Eric,
Yep, that was an option too, but when we realized that libpcap has t
On Tue, Jun 21, 2016 at 6:04 AM, Saeed Mahameed
wrote:
>
> Alexei , I don't understand your concern.
> We already have a full/complete working dpdk bypass solution in
> userspace nothing extra is required from the kernel.
>
> We just want to see this traffic and any other rdma traffic in tcpdump
On Tue, Jun 21, 2016 at 5:18 AM, Alexei Starovoitov
wrote:
> On Sat, Jun 18, 2016 at 01:31:26AM +0300, Saeed Mahameed wrote:
>>
>> We simply want to selectively be able to see RoCE/RDMA ETH standard
>> traffic in tcpdump, for diagnostic purposes.
>> so in order to not overwhelm the kernel TCP/IP s
On Sat, Jun 18, 2016 at 01:31:26AM +0300, Saeed Mahameed wrote:
>
> We simply want to selectively be able to see RoCE/RDMA ETH standard
> traffic in tcpdump, for diagnostic purposes.
> so in order to not overwhelm the kernel TCP/IP stack with this
> traffic, this patch in particular
> configures C
On Sat, Jun 18, 2016 at 2:34 AM, Eric Dumazet wrote:
> On Fri, Jun 17, 2016 at 3:31 PM, Saeed Mahameed
> wrote:
>>
>> Today there are some bad usages and abuse to skb->protocol where some
>> device drivers set skb->protocol = 0xff to skip the kernel TCP/IP
>> processing for the same diagnosti
On Fri, Jun 17, 2016 at 3:31 PM, Saeed Mahameed
wrote:
> On Fri, Jun 17, 2016 at 7:00 PM, Alexei Starovoitov
> wrote:
>> On Fri, Jun 17, 2016 at 05:43:53PM +0300, Saeed Mahameed wrote:
>>> From: Maor Gottlieb
>>>
>>> Add kernel offload flow tag for packets that will bypass the kernel
>>> stack,
On Fri, Jun 17, 2016 at 7:00 PM, Alexei Starovoitov
wrote:
> On Fri, Jun 17, 2016 at 05:43:53PM +0300, Saeed Mahameed wrote:
>> From: Maor Gottlieb
>>
>> Add kernel offload flow tag for packets that will bypass the kernel
>> stack, e.g (RoCE/RDMA/RAW ETH (DPDK), etc ..).
>
> so the whole series i
On 16-06-17 09:00 AM, Alexei Starovoitov wrote:
> On Fri, Jun 17, 2016 at 05:43:53PM +0300, Saeed Mahameed wrote:
>> From: Maor Gottlieb
>>
>> Add kernel offload flow tag for packets that will bypass the kernel
>> stack, e.g (RoCE/RDMA/RAW ETH (DPDK), etc ..).
>
> so the whole series is an elabor
On Fri, Jun 17, 2016 at 05:43:53PM +0300, Saeed Mahameed wrote:
> From: Maor Gottlieb
>
> Add kernel offload flow tag for packets that will bypass the kernel
> stack, e.g (RoCE/RDMA/RAW ETH (DPDK), etc ..).
so the whole series is an elaborate way to enable dpdk? how nice.
NACK.
From: Maor Gottlieb
Add kernel offload flow tag for packets that will bypass the kernel
stack, e.g (RoCE/RDMA/RAW ETH (DPDK), etc ..).
User leftover FTEs are shared with sniffer, therefore leftover rules
should be added with the bypass flow-tag.
Signed-off-by: Maor Gottlieb
Signed-off-by: Saee
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