Commit Graph

10 Commits

Author SHA1 Message Date
Lendacky, Thomas 66f95c35c4 amd-xgbe: Resolve checkpatch warning about sscanf usage
Checkpatch issued a warning preferring to use kstrto<type> when
using a single variable sscanf.  Change the sscanf invocation to
a kstrtouint call.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-26 17:14:04 -07:00
Lendacky, Thomas b85e4d8960 amd-xgbe: Change destination address filtering support
Currently the driver makes use of the additional mac address
registers in the hardware to provide perfect filtering.  The
hardware can also have a set of hash table registers that can
be used for imperfect filtering.  By using imperfect filtering
the additional mac address registers can be used for layer 2
filtering support.  Use the hash table registers if the device
has them.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-26 17:14:04 -07:00
Lendacky, Thomas 801c62d945 amd-xgbe: Add support for VLAN filtering
This patch adds support for (imperfect) filtering of
VLAN tag ids using a 16-bit filter hash table.  When
VLANs are added, a 4-bit hash is calculated with the
result indicating the bit in the hash table to set.
This table is used by the hardware to drop packets with
a VLAN id that does not hash to a set bit in the table.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-26 17:14:04 -07:00
Lendacky, Thomas c52e9c6385 amd-xgbe: VLAN Rx tag stripping fix
When receiving a VLAN packet check to be sure that VLAN
RX CTAG stripping is enabled before indicating that the
tag has been stripped in the packet information data
structure.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-26 17:14:04 -07:00
Lendacky, Thomas 6e5eed042f amd-xgbe: VLAN Tx tag insertion fix
The MAC_VLAN_Incl register (0x0060) must be set to indicate
that the VLAN tag to be inserted comes from a Tx context
descriptor and not the MAC_VLAN_Incl register.  Also, even
though it is the default, explicitly set the type of tag to
be inserted as a CTAG.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-26 17:14:03 -07:00
Lendacky, Thomas d0a8ba6cba amd-xgbe: Make defines in xgbe.h unique
In order to avoid conflicts with other include files, add
a prefix to the defines in xgbe.h.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-26 17:14:03 -07:00
Dan Carpenter 8fc908c3c3 amd-xgbe: unwind on error in xgbe_mdio_register()
There is a typo here so we return directly instead of unwinding.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11 15:39:19 -07:00
Lendacky, Thomas d5c4858237 amd-xgbe: Rename MAX_DMA_CHANNELS to avoid powerpc conflict
MAX_DMA_CHANNELS is defined in asm/scatterlist.h of the powerpc
architecture.  Rename this #define in xgbe.h to avoid the
redefined warning issued during compilation.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11 00:56:41 -07:00
Tom Lendacky 1caaab63d3 amd-xgbe: Remove unnecessary include
The include of asm/cputype.h breaks the powerpc build. This
include was accidentally left in from driver debugging and
can be removed.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>,
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-06 13:09:50 -07:00
Lendacky, Thomas c5aa9e3b81 amd-xgbe: Initial AMD 10GbE platform driver
This patch provides the initial platform driver for the AMD
10GbE device.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-05 15:26:51 -07:00