ftgmac100 allocates a page per skb fragment. We must account
PAGE_SIZE increments on skb->truesize, not the actual frag length.

If frame is under 64 bytes, page is freed, and truesize adjusted.
Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com>
CC: Po-Yu Chuang <ratbert@faraday-tech.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Move the Faraday driver into drivers/net/ethernet/faraday/ and
make the necessary Kconfig and Makefile changes.

CC: "Po-Yu Chuang" <ratbert@faraday-tech.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: NPo-Yu Chuang <ratbert@faraday-tech.com>

FTGMAC100 Ethernet Media Access Controller supports 10/100/1000 Mbps
and MII/GMII.  This driver has been working on some ARM/NDS32 SoC's
including Faraday A369 and Andes AG102.
Signed-off-by: NPo-Yu Chuang <ratbert@faraday-tech.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>