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ixgbe: add mask for 64 RSS queues

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[ Upstream commit 2bf1a87b903bd81b1448a1cef73de59fb6c4d340 ]

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>

Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Emil Tantilov 2016-11-04 14:03:03 -07:00 • committed by Greg Kroah-Hartman
parent 12ec51aaaf
commit b6e7fb0be1
1 changed files with 7 additions and 1 deletions
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8
drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
View file

@ -307,6 +307,7 @@ 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
@ -602,6 +603,7 @@ 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;
@ -610,7 +612,11 @@ 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;