net: ethernet: mediatek: add ethtool functions to configure RX flows of HW LRO

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The codes add ethtool functions to set RX flows for HW LRO. Because the
HW LRO hardware can only recognize the destination IP of TCP/IP RX flows,
the ethtool command to add HW LRO flow is as below:
ethtool -N [devname] flow-type tcp4 dst-ip [ip_addr] loc [0~1]

Otherwise, cause the hardware can set total four destination IPs, each
GMAC (GMAC1/GMAC2) can set two IPs separately at most.

Signed-off-by: Nelson Chang <nelson.chang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Nelson Chang 2016-09-17 23:50:56 +08:00 • committed by David S. Miller

parent ee40681037

commit 7aab747e55

1 changed files with 236 additions and 0 deletions

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drivers/net/ethernet/mediatek/mtk_eth_soc.c

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