net: stmmac: selftests: Needs to check the number of Multicast regs

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When running the MC and UC filter tests we setup a multicast address
that its expected to be blocked. If the number of available multicast
registers is zero, driver will always pass the multicast packets which
will fail the test.

Check if available multicast addresses is enough before running the
tests.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jose Abreu 2019-12-18 11:17:35 +01:00 • committed by David S. Miller

parent b7ac893652

commit 08c9654308

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drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c

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