|  | config IBM_NEW_EMAC | 
|  | tristate "IBM EMAC Ethernet support" | 
|  | depends on PPC_DCR && PPC_MERGE | 
|  | select CRC32 | 
|  | help | 
|  | This driver supports the IBM EMAC family of Ethernet controllers | 
|  | typically found on 4xx embedded PowerPC chips, but also on the | 
|  | Axon southbridge for Cell. | 
|  |  | 
|  | config IBM_NEW_EMAC_RXB | 
|  | int "Number of receive buffers" | 
|  | depends on IBM_NEW_EMAC | 
|  | default "128" | 
|  |  | 
|  | config IBM_NEW_EMAC_TXB | 
|  | int "Number of transmit buffers" | 
|  | depends on IBM_NEW_EMAC | 
|  | default "64" | 
|  |  | 
|  | config IBM_NEW_EMAC_POLL_WEIGHT | 
|  | int "MAL NAPI polling weight" | 
|  | depends on IBM_NEW_EMAC | 
|  | default "32" | 
|  |  | 
|  | config IBM_NEW_EMAC_RX_COPY_THRESHOLD | 
|  | int "RX skb copy threshold (bytes)" | 
|  | depends on IBM_NEW_EMAC | 
|  | default "256" | 
|  |  | 
|  | config IBM_NEW_EMAC_RX_SKB_HEADROOM | 
|  | int "Additional RX skb headroom (bytes)" | 
|  | depends on IBM_NEW_EMAC | 
|  | default "0" | 
|  | help | 
|  | Additional receive skb headroom. Note, that driver | 
|  | will always reserve at least 2 bytes to make IP header | 
|  | aligned, so usually there is no need to add any additional | 
|  | headroom. | 
|  |  | 
|  | If unsure, set to 0. | 
|  |  | 
|  | config IBM_NEW_EMAC_DEBUG | 
|  | bool "Debugging" | 
|  | depends on IBM_NEW_EMAC | 
|  | default n | 
|  |  | 
|  | # The options below has to be select'ed by the respective | 
|  | # processor types or platforms | 
|  |  | 
|  | config IBM_NEW_EMAC_ZMII | 
|  | bool | 
|  | default n | 
|  |  | 
|  | config IBM_NEW_EMAC_RGMII | 
|  | bool | 
|  | default n | 
|  |  | 
|  | config IBM_NEW_EMAC_TAH | 
|  | bool | 
|  | default n | 
|  |  | 
|  | config IBM_NEW_EMAC_EMAC4 | 
|  | bool | 
|  | default n |