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i40e/i40evf: find partition_id in npar mode

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When in NPAR mode the driver instance might be controlling the base
partition or one of the other "fake" PFs.  There are some things that
can only be done by the base partition, aka partition_id 1.  This code
does a bit of work to find how many partitions are there per port and
what is the current partition_id.

Change-ID: Iba427f020a1983d02147d86f121b3627e20ee21d
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Shannon Nelson
2014-12-11 07:06:30 +00:00
committed by Jeff Kirsher
parent b2d4d9059e
commit 9fee9db5fb
4 changed files with 81 additions and 2 deletions
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7
drivers/net/ethernet/intel/i40evf/i40e_type.h
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@@ -425,7 +425,7 @@ struct i40e_hw {
u8 __iomem *hw_addr;
void *back;
/* function pointer structs */
/* subsystem structs */
struct i40e_phy_info phy;
struct i40e_mac_info mac;
struct i40e_bus_info bus;
@@ -452,6 +452,11 @@ struct i40e_hw {
u8 pf_id;
u16 main_vsi_seid;
/* for multi-function MACs */
u16 partition_id;
u16 num_partitions;
u16 num_ports;
/* Closest numa node to the device */
u16 numa_node;