diff options
| author | Carolyn Wyborny <carolyn.wyborny@intel.com> | 2014-06-03 23:50:22 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-06-20 00:46:19 -0700 |
| commit | e157ea30606743f2bfa2ec445a0bb0839e17271b (patch) | |
| tree | 34643dd54ab7d5663d2fb4dbf461602d607403a3 /drivers/net/ethernet/intel/i40e/i40e_main.c | |
| parent | cc70b080ea773d7aea4a0440316f30f5af6bb655 (diff) | |
i40e/i40evf: Update RSS configuration
This patch changes the RSS configuration to set table size
and write to hardware to confirm RSS table size being used.
Change-ID: I455a4c09c9dd479f5791ee1f09fdc83ff9908df5
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index ebbf37bc367..34310bd116b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6599,6 +6599,7 @@ static int i40e_config_rss(struct i40e_pf *pf) u32 lut = 0; int i, j; u64 hena; + u32 reg_val; /* Fill out hash function seed */ for (i = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) @@ -6611,8 +6612,19 @@ static int i40e_config_rss(struct i40e_pf *pf) wr32(hw, I40E_PFQF_HENA(0), (u32)hena); wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); + /* Check capability and Set table size and register per hw expectation*/ + reg_val = rd32(hw, I40E_PFQF_CTL_0); + if (hw->func_caps.rss_table_size == 512) { + reg_val |= I40E_PFQF_CTL_0_HASHLUTSIZE_512; + pf->rss_table_size = 512; + } else { + pf->rss_table_size = 128; + reg_val &= ~I40E_PFQF_CTL_0_HASHLUTSIZE_512; + } + wr32(hw, I40E_PFQF_CTL_0, reg_val); + /* Populate the LUT with max no. of queues in round robin fashion */ - for (i = 0, j = 0; i < pf->hw.func_caps.rss_table_size; i++, j++) { + for (i = 0, j = 0; i < pf->rss_table_size; i++, j++) { /* The assumption is that lan qp count will be the highest * qp count for any PF VSI that needs RSS. |