netdev - Re: [PATCH net 1/1] igc: fix tunnel offloading

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Date:   Thu, 16 Sep 2021 13:40:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, sasha.neftin@...el.com,
        vitaly.lifshits@...el.com, vinschen@...hat.com,
        nechamax.kraus@...ux.intel.com
Subject: Re: [PATCH net 1/1] igc: fix tunnel offloading

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed, 15 Sep 2021 10:19:07 -0700 you wrote:
> From: Paolo Abeni <pabeni@...hat.com>
> 
> Checking tunnel offloading, it turns out that offloading doesn't work
> as expected.  The following script allows to reproduce the issue.
> Call it as `testscript DEVICE LOCALIP REMOTEIP NETMASK'
> 
> === SNIP ===
> if [ $# -ne 4 ]
> then
>   echo "Usage $0 DEVICE LOCALIP REMOTEIP NETMASK"
>   exit 1
> fi
> DEVICE="$1"
> LOCAL_ADDRESS="$2"
> REMOTE_ADDRESS="$3"
> NWMASK="$4"
> echo "Driver: $(ethtool -i ${DEVICE} | awk '/^driver:/{print $2}') "
> ethtool -k "${DEVICE}" | grep tx-udp
> echo
> echo "Set up NIC and tunnel..."
> ip addr add "${LOCAL_ADDRESS}/${NWMASK}" dev "${DEVICE}"
> ip link set "${DEVICE}" up
> sleep 2
> ip link add vxlan1 type vxlan id 42 \
> 		   remote "${REMOTE_ADDRESS}" \
> 		   local "${LOCAL_ADDRESS}" \
> 		   dstport 0 \
> 		   dev "${DEVICE}"
> ip addr add fc00::1/64 dev vxlan1
> ip link set vxlan1 up
> sleep 2
> rm -f vxlan.pcap
> echo "Running tcpdump and iperf3..."
> ( nohup tcpdump -i any -w vxlan.pcap >/dev/null 2>&1 ) &
> sleep 2
> iperf3 -c fc00::2 >/dev/null
> pkill tcpdump
> echo
> echo -n "Max. Paket Size: "
> tcpdump -r vxlan.pcap -nnle 2>/dev/null \
> | grep "${LOCAL_ADDRESS}.*> ${REMOTE_ADDRESS}.*OTV" \
> | awk '{print $8}' | awk -F ':' '{print $1}' \
> | sort -n | tail -1
> echo
> ip link del vxlan1
> ip addr del ${LOCAL_ADDRESS}/${NWMASK} dev "${DEVICE}"
> === SNAP ===
> 
> [...]

Here is the summary with links:
  - [net,1/1] igc: fix tunnel offloading
    https://git.kernel.org/netdev/net/c/40ee363c844f

You are awesome, thank you!
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