diff options
| author | Jesse Brandeburg <jesse.brandeburg@intel.com> | 2009-03-13 22:13:28 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-14 12:41:08 -0700 |
| commit | 509ee935ec0828e534e4d48d08d4d0b4bc17ea92 (patch) | |
| tree | d50803203ef9ec0e528f37546d2e9d3488747c43 /drivers/net/ixgbe/ixgbe_type.h | |
| parent | 40dcd79a7bd2e0d6bf4680db4bc0268c9f149a1d (diff) | |
ixgbe: Fix interrupt configuration for 82599
The interrupt models using EITR have changed in 82599. The way the register
is laid out, the change is transparent to some of the existing code.
However, some of it isn't. This patch fixes all the cases where EITR
handling is different than 82598.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_type.h')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_type.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h index 60905936d92..95fc36cff26 100644 --- a/drivers/net/ixgbe/ixgbe_type.h +++ b/drivers/net/ixgbe/ixgbe_type.h @@ -98,9 +98,18 @@ #define IXGBE_EIMS_EX(_i) (0x00AA0 + (_i) * 4) #define IXGBE_EIMC_EX(_i) (0x00AB0 + (_i) * 4) #define IXGBE_EIAM_EX(_i) (0x00AD0 + (_i) * 4) +/* + * 82598 EITR is 16 bits but set the limits based on the max + * supported by all ixgbe hardware. 82599 EITR is only 12 bits, + * with the lower 3 always zero. + */ +#define IXGBE_MAX_INT_RATE 488281 +#define IXGBE_MIN_INT_RATE 956 +#define IXGBE_MAX_EITR 0x00000FF8 +#define IXGBE_MIN_EITR 8 #define IXGBE_EITR(_i) (((_i) <= 23) ? (0x00820 + ((_i) * 4)) : \ (0x012300 + (((_i) - 24) * 4))) -#define IXGBE_EITR_ITR_INT_MASK 0x00000FFF +#define IXGBE_EITR_ITR_INT_MASK 0x00000FF8 #define IXGBE_EITR_LLI_MOD 0x00008000 #define IXGBE_EITR_CNT_WDIS 0x80000000 #define IXGBE_IVAR(_i) (0x00900 + ((_i) * 4)) /* 24 at 0x900-0x960 */ |