er David S. Miller 1308149819 -0400 bnx2x: PFC support for 578xx Add supoprt for 3 COSes for 578xx devices. Fix HW configuration for PFC feature according to new HSI in link layer. Signed-off-by: Dmitry Kravkov Signed-off-by: Vladislav Zolotarov Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller V˜Äv”