MTU fix for cmd-forwarder-vpp#557 #554
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Signed-off-by: Ed Warnicke <[email protected]>
edwarnicke
commented
Apr 11, 2022
| } | ||
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| func setVPPL3MTU(ctx context.Context, conn *networkservice.Connection, vppConn api.Connection, isClient bool) error { | ||
| func setVPPMTU(ctx context.Context, conn *networkservice.Connection, vppConn api.Connection, isClient bool) error { |
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Abandon setting the LinkMTU entirely as it no longer works remotely as expected.
This appears to be due to changes in VPP driven by changes in DPDK on MTU handling no longer following 802.3 on MTU handling.
edwarnicke
commented
Apr 11, 2022
| // inner ethernet header - 14 bytes | ||
| // optional overhead for 802.1q vlan tags - 4 bytes | ||
| // total - 74 bytes | ||
| return 74 |
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Correctly handle overhead for VXLAN (previously we'd only been handling for IPv4 with no available overhead for 802.1q tags).
edwarnicke
commented
Apr 11, 2022
| // 8-byte nonce | ||
| // 16-byte authentication tag | ||
| // 80 bytes total | ||
| return 80 |
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Correctly handle overhead for IPv4 case for wireguard.
This was referenced Apr 11, 2022
denis-tingaikin
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Apr 11, 2022
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All changes are looking good.
@glazychev-art I think it'd be interested to look at these changes for you.
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…k-vpp@main PR link: networkservicemesh/sdk-vpp#554 Commit: dc652f0 Author: Ed Warnicke Date: 2022-04-11 13:50:40 -0500 Message: - MTU fix for cmd-forwarder-vpp#557 (#554) Signed-off-by: NSMBot <[email protected]>
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…k-vpp@main PR link: networkservicemesh/sdk-vpp#554 Commit: dc652f0 Author: Ed Warnicke Date: 2022-04-11 13:50:40 -0500 Message: - MTU fix for cmd-forwarder-vpp#557 (#554) Signed-off-by: NSMBot <[email protected]>
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…k-vpp@main PR link: networkservicemesh/sdk-vpp#554 Commit: dc652f0 Author: Ed Warnicke Date: 2022-04-11 13:50:40 -0500 Message: - MTU fix for cmd-forwarder-vpp#557 (#554) Signed-off-by: NSMBot <[email protected]>
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…k-vpp@main PR link: networkservicemesh/sdk-vpp#554 Commit: dc652f0 Author: Ed Warnicke Date: 2022-04-11 13:50:40 -0500 Message: - MTU fix for cmd-forwarder-vpp#557 (#554) Signed-off-by: NSMBot <[email protected]>
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…k-vpp@main PR link: networkservicemesh/sdk-vpp#554 Commit: dc652f0 Author: Ed Warnicke Date: 2022-04-11 13:50:40 -0500 Message: - MTU fix for cmd-forwarder-vpp#557 (#554) Signed-off-by: NSMBot <[email protected]>
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…k-vpp@main PR link: networkservicemesh/sdk-vpp#554 Commit: dc652f0 Author: Ed Warnicke Date: 2022-04-11 13:50:40 -0500 Message: - MTU fix for cmd-forwarder-vpp#557 (#554) Signed-off-by: NSMBot <[email protected]>
This was referenced Apr 11, 2022
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ljkiraly
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Apr 12, 2022
Issue: networkservicemesh/cmd-forwarder#557 Related PR: networkservicemesh#554 The L3 MTU is set based on link L2 mtu and should not modified. Signed-off-by: Laszlo Kiraly <[email protected]>
edwarnicke
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Issue: networkservicemesh/cmd-forwarder#557 Related PR: #554 The L3 MTU is set based on link L2 mtu and should not modified. Signed-off-by: Laszlo Kiraly <[email protected]>
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Signed-off-by: Ed Warnicke [email protected]