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authorEmil Tantilov <emil.s.tantilov@intel.com>2016-11-04 14:03:03 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2017-01-03 13:03:34 -0800
commit2bf1a87b903bd81b1448a1cef73de59fb6c4d340 (patch)
tree8384526a6dfeb09d71e5690ebde5a010ad7e6817 /drivers/net/ethernet/intel/ixgbe
parent5c092749e304d8b49567be633d5be31393538e3b (diff)
ixgbe: add mask for 64 RSS queues
The indirection table was reported incorrectly for X550 and newer where we can support up to 64 RSS queues. Reported-by Krishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index 15ab337fd7ad..10d29678d65e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -308,6 +308,7 @@ static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter)
ixgbe_cache_ring_rss(adapter);
}
+#define IXGBE_RSS_64Q_MASK 0x3F
#define IXGBE_RSS_16Q_MASK 0xF
#define IXGBE_RSS_8Q_MASK 0x7
#define IXGBE_RSS_4Q_MASK 0x3
@@ -604,6 +605,7 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
**/
static bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter)
{
+ struct ixgbe_hw *hw = &adapter->hw;
struct ixgbe_ring_feature *f;
u16 rss_i;
@@ -612,7 +614,11 @@ static bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter)
rss_i = f->limit;
f->indices = rss_i;
- f->mask = IXGBE_RSS_16Q_MASK;
+
+ if (hw->mac.type < ixgbe_mac_X550)
+ f->mask = IXGBE_RSS_16Q_MASK;
+ else
+ f->mask = IXGBE_RSS_64Q_MASK;
/* disable ATR by default, it will be configured below */
adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;