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| author |   Emil Tantilov <emil.s.tantilov@intel.com> | 2015-11-20 13:02:16 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-12-29 19:16:07 -0800 |
| commit | e9ee3238f8a480bbca58e51d02a93628d7c1f265 (patch) | |
| tree | 05980fe48d39955e552351f2d846885319e59f86 /drivers/net/ethernet/intel | |
| parent | ixgbe: Clean up redundancy in hw_enc_features (diff) | |
| download | linux-dev-e9ee3238f8a480bbca58e51d02a93628d7c1f265.tar.xz linux-dev-e9ee3238f8a480bbca58e51d02a93628d7c1f265.zip | |
ixgbe: fix RSS limit for X550
X550 allows for up to 64 RSS queues, but the driver can have max
of 63 (-1 MSIX vector for link).
On systems with >= 64 CPUs the driver will set the redirection table
for all 64 queues which will result in packets being dropped.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index f4c9a42dafcf..4b9156cd8b93 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -317,7 +317,7 @@ enum ixgbe_ring_f_enum { }; #define IXGBE_MAX_RSS_INDICES 16 -#define IXGBE_MAX_RSS_INDICES_X550 64 +#define IXGBE_MAX_RSS_INDICES_X550 63 #define IXGBE_MAX_VMDQ_INDICES 64 #define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */ #define IXGBE_MAX_FCOE_INDICES 8 |