net: ethernet: ti: cpsw: fix lost of mcast packets while rx_mode update

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Whenever kernel or user decides to call rx mode update, it clears
every multicast entry from forwarding table and in some time adds
it again. This time can be enough to drop incoming multicast packets.

That's why clear only staled multicast entries and update or add new
one afterwards.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ivan Khoronzhuk 2018-10-12 18:28:15 +03:00 • committed by David S. Miller

parent 58bdeac8b0

commit 5da1948969

1 changed files with 28 additions and 18 deletions

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46

drivers/net/ethernet/ti/cpsw.c

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