Messages in this thread | | | Date | Thu, 9 May 2019 14:21:18 +0200 | From | Andrew Lunn <> | Subject | Re: [PATCH net-next 10/11] net: stmmac: Introduce selftests support |
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> > You also seem to be missing a test for adding a unicast address via > > dev_uc_add() and receiving packets for that address, but not receiving > > multicast packets. > > Hmm, what if interface was already configured to receive Multicast before > running the tests ?
The kernel keeps a list of unicast and multicast addresses, which have been added to the filters. You could remove them all, do the test, and then add them back. __dev_mc_unsync(), __dev_mc_sync() etc.
Andrew
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