From: Leyi Rong <leyi.rong@intel.com>
Date: Wed, 19 Jun 2019 15:18:03 +0000 (+0800)
Subject: net/ice/base: set max number of TCs per port to 4
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b965268f82c24c33b5362ba534b8f2b01f6be6d2;p=dpdk.git

net/ice/base: set max number of TCs per port to 4

On devices with more than 4 ports, the maximum number of TCs per port is
limited to 4.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
---

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index 4618568274..81eab7ecc4 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -2092,6 +2092,18 @@ ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count,
 			break;
 		}
 	}
+
+	/* Re-calculate capabilities that are dependent on the number of
+	 * physical ports; i.e. some features are not supported or function
+	 * differently on devices with more than 4 ports.
+	 */
+	if (caps && (ice_hweight32(caps->valid_functions) > 4)) {
+		/* Max 4 TCs per port */
+		caps->maxtc = 4;
+		ice_debug(hw, ICE_DBG_INIT,
+			  "%s: TC max = %d (based on #ports)\n", prefix,
+			  caps->maxtc);
+	}
 }
 
 /**