Thread (17 messages) 17 messages, 3 authors, 2014-03-09

[net-next 07/13] i40e: Remove a FW workaround for Number of MSIX vectors

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From: Jeff Kirsher <hidden>
Date: 2014-03-06 04:21:53
Subsystem: intel ethernet drivers, networking drivers, the rest · Maintainers: Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Revision v1 of 2 in this series; 1 review trailer.

Revisions (2)
  1. v1 current
  2. v2 [diff vs current]
From: Anjali Singhai Jain <redacted>

The Number of MSIX vectors being reported is correct and hence
we need a check to do the right thing for FWs before and after.

Change-ID: I50902d1c848adcb960ea49ac73f7865ca871a1c3
Signed-off-by: Anjali Singhai Jain <redacted>
Signed-off-by: Catherine Sullivan <redacted>
Tested-by: Kavindya Deegala <redacted>
Signed-off-by: Jeff Kirsher <redacted>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 942d20f..724764f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -5097,6 +5097,12 @@ static int i40e_get_capabilities(struct i40e_pf *pf)
 	/* increment MSI-X count because current FW skips one */
 	pf->hw.func_caps.num_msix_vectors++;
 
+	if (((pf->hw.aq.fw_maj_ver == 2) && (pf->hw.aq.fw_min_ver < 22)) ||
+	    (pf->hw.aq.fw_maj_ver < 2)) {
+		pf->hw.func_caps.num_msix_vectors++;
+		pf->hw.func_caps.num_msix_vectors_vf++;
+	}
+
 	if (pf->hw.debug_mask & I40E_DEBUG_USER)
 		dev_info(&pf->pdev->dev,
 			 "pf=%d, num_vfs=%d, msix_pf=%d, msix_vf=%d, fd_g=%d, fd_b=%d, pf_max_q=%d num_vsi=%d\n",
-- 
1.8.3.1
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