Re: Advertise maximum number of sg supported by driver in single request

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Hi Herbert,

On 1/17/2020 11:53 AM, Herbert Xu wrote:
On Thu, Jan 16, 2020 at 01:27:24PM +0530, Ayush Sawal wrote:
The max data limit is 15 sgs where each sg contains data of mtu size .
we are running a netperf udp stream test over ipsec tunnel .The ipsec tunnel
is established between two hosts which are directly connected
Are you actually getting 15-element SG lists from IPsec? What is
generating an skb with 15-element SG lists?
we have established the ipsec tunnel in transport mode using ip xfrm.
and running traffic using netserver and netperf.

In server side we are running
netserver -4
In client side we are running
"netperf -H <serverip> -p <port> -t UDP_STREAM  -Cc -- -m 21k"
where the packet size is 21k ,which is then fragmented into 15 ip fragments each of mtu size.
The mtu size currently is 1500bytes.



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