Sorry, I meant to say mcast-snooping path, not patch.
-Thanks
From: "[email protected]" <[email protected]>
To: Discuss <[email protected]>
Sent: Thursday, October 27, 2016 3:10 PM
Subject: openvswitch-2.5.0, mcast-snooping patch isn't validating IP checksum
Using openvswitch-2.5.0, user-space mode with Linux 2.6 based kernels.IGMP
packets from NIC driver are handed over to Linux stack using netif_rx().
openvswitch is picking packets from net_device using netlink.
As this path bypasses Linux kernel's IP stack, Linux kernel isn't validating IP
checksum.
Looks like, when packet enters vswitchd, it doesn't seem to validate IP header
checksum for the IGMP packets and
is directly delivering them to mcast-snoop module.
Is this a deliberate one to skip validating IP header checksum for IGMP packets
in this scenario or I am missing something here.
-Thanks
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