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| author | Aaron Young <aaron.young@oracle.com> | 2016-03-15 21:35:39 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-19 02:33:00 +0300 |
| commit | 5d01fa0c6bd84ddf1339a3fadfefecd2c28d472e (patch) | |
| tree | 8e98abe74385c1d2993da5294d692bfa41675d16 /arch/sparc | |
| parent | 67d0719f06ded9488311472b3d65ad37d992c332 (diff) | |
| download | linux-5d01fa0c6bd84ddf1339a3fadfefecd2c28d472e.tar.xz | |
ldmvsw: Add ldmvsw.c driver code
Add ldmvsw.c driver
Details:
The ldmvsw driver very closely follows the sunvnet.c code and makes
use of the sunvnet_common.c code for core functionality.
A significant difference between sunvnet and ldmvsw driver is
sunvnet creates a network interface for each vnet-port *parent*
node in the MD while the ldmvsw driver creates a network interface
for every vsw-port node in the Machine Description (MD).
Therefore the netdev_priv() for sunvnet is a vnet structure while
the netdev_priv() for ldmvsw is a vnet_port structure.
Vnet_port structures allocated by ldmvsw have the vsw bit set.
When finding the net_device associated with a port, the common code keys
off this bit to use either the net_device found in the vnet_port or the
net_device in the vnet structure (see the VNET_PORT_TO_NET_DEVICE() macro in
sunvnet_common.h). This scheme allows the common code to work with
both drivers with minimal changes.
Similar to Xen, network interfaces created by the ldmvsw driver will always
have a HW Addr (i.e. mac address) of FE:FF:FF:FF:FF:FF and each will be
assigned the devname "vif<cfg_handle>.<port_id>" - where <cfg_handle> and
<port_id> are a unique handle/port pair assigned to the associated
vsw-port node in the MD.
Signed-off-by: Aaron Young <aaron.young@oracle.com>
Signed-off-by: Rashmi Narasimhan <rashmi.narasimhan@oracle.com>
Reviewed-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Reviewed-by: Alexandre Chartre <Alexandre.Chartre@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/configs/sparc64_defconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 6b68f12f29db..04920ab8e292 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -102,6 +102,7 @@ CONFIG_SUNLANCE=m CONFIG_HAPPYMEAL=m CONFIG_SUNGEM=m CONFIG_SUNVNET=m +CONFIG_LDMVSW=m CONFIG_NET_PCI=y CONFIG_E1000=m CONFIG_E1000E=m |