netdev - RE: [Intel-wired-lan] [PATCH net-next v2 1/1] ice: add support BIG TCP on IPv6

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Message-ID: <BYAPR11MB33670278220389D4B600740BFCDD9@BYAPR11MB3367.namprd11.prod.outlook.com>
Date:   Mon, 13 Feb 2023 17:04:11 +0000
From:   "G, GurucharanX" <gurucharanx.g@...el.com>
To:     "Chmielewski, Pawel" <pawel.chmielewski@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "intel-wired-lan@...osl.org" <intel-wired-lan@...osl.org>
Subject: RE: [Intel-wired-lan] [PATCH net-next v2 1/1] ice: add support BIG
 TCP on IPv6



> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Pawel Chmielewski
> Sent: Tuesday, February 7, 2023 9:53 PM
> To: netdev@...r.kernel.org
> Cc: intel-wired-lan@...osl.org
> Subject: [Intel-wired-lan] [PATCH net-next v2 1/1] ice: add support BIG TCP
> on IPv6
> 
> Enable sending BIG TCP packets on IPv6 in the ice driver using generic
> ipv6_hopopt_jumbo_remove helper for stripping HBH header.
> 
> Tested:
> netperf -t TCP_RR -H 2001:db8:0:f101::1  -- -r80000,80000 -O
> MIN_LATENCY,P90_LATENCY,P99_LATENCY,TRANSACTION_RATE
> 
> Tested on two different setups. In both cases, the following settings were
> applied after loading the changed driver:
> 
> ip link set dev enp175s0f1np1 gso_max_size 130000 ip link set dev
> enp175s0f1np1 gro_max_size 130000 ip link set dev enp175s0f1np1 mtu 9000
> 
> First setup:
> Before:
> Minimum      90th         99th         Transaction
> Latency      Percentile   Percentile   Rate Microseconds
> Latency      Latency      Tran/s
>              Microseconds Microseconds
> 134          279          410          3961.584
> 
> After:
> Minimum      90th         99th         Transaction
> Latency      Percentile   Percentile   Rate Microseconds
> Latency      Latency      Tran/s
>              Microseconds Microseconds
> 135          178          216          6093.404
> 
> The other setup:
> Before:
> Minimum      90th         99th         Transaction
> Latency      Percentile   Percentile   Rate
> Microseconds Latency      Latency      Tran/s
>              Microseconds Microseconds
> 218          414          478          2944.765
> 
> After:
> Minimum      90th         99th         Transaction
> Latency      Percentile   Percentile   Rate
> Microseconds Latency      Latency      Tran/s
>              Microseconds Microseconds
> 146          238          266          4700.596
> 
> Signed-off-by: Pawel Chmielewski <pawel.chmielewski@...el.com>
> ---
> 
> Changes since v1:
>  * Added testing results
> ---
>  drivers/net/ethernet/intel/ice/ice.h      | 2 ++
>  drivers/net/ethernet/intel/ice/ice_main.c | 2 ++
> drivers/net/ethernet/intel/ice/ice_txrx.c | 3 +++
>  3 files changed, 7 insertions(+)
> 

Tested-by: Gurucharan G <gurucharanx.g@...el.com> (A Contingent worker at Intel)