tg3: Fix poor tx performance on 57766 after MTU change
authorMichael Chan <mchan@broadcom.com>
Sun, 4 Mar 2012 14:48:15 +0000 (14:48 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 5 Mar 2012 01:39:31 +0000 (20:39 -0500)
commit2fae5e3670a666039e6f2fd63e1a5d320c71b913
treeba4d3527b13cc3f6da50f79efeba6f1e6f61981b
parent6541b806b5f267eda8f127bb7f5fec4e7e4db995
tg3: Fix poor tx performance on 57766 after MTU change

GRC reset causes the read DMA engine to go into a mode that breaks up
requests into 256 bytes.  A PHY reset is required to bring it back to
the normal mode.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/tg3.c