linux/drivers/net/ibm_newemac/Kconfig
Josh Boyer b68d185ab1 ibm_newemac: Allow the "no flow control" EMAC feature to work
Some PowerPC 40x chips have errata that force us not to use the integrated
flow control.  We have the feature defined, but it currently can't be used
because it is never added to EMAC_FTRS_POSSIBLE.

This adds a Kconfig option for affected platforms to select and puts the
feature in the EMAC_FTRS_POSSIBLE list.  This is set for PowerPC 405EZ
platforms as well.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-09-30 09:22:45 -04:00

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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
config IBM_NEW_EMAC_NO_FLOW_CTRL
bool
default n