diff options
| author | Emil Tantilov <emil.s.tantilov@intel.com> | 2015-11-21 00:02:16 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-12-30 06:16:07 +0300 |
| commit | e9ee3238f8a480bbca58e51d02a93628d7c1f265 (patch) | |
| tree | 05980fe48d39955e552351f2d846885319e59f86 | |
| parent | fb8ad4a592c627783dc18cc147c7f4de55cf318d (diff) | |
| download | linux-e9ee3238f8a480bbca58e51d02a93628d7c1f265.tar.xz | |
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>
| -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 |