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[RFC,v1,1/2] rxclass: use ethtool_get_flow_spec_ring to display queue and VF

Message ID 20161206124031.32346-2-jacob.e.keller@intel.com
State RFC, archived
Delegated to: John Linville
Headers show

Commit Message

Keller, Jacob E Dec. 6, 2016, 12:40 p.m. UTC 
Recent kernels have made the ring_cookie store both the Queue index as
well as a VF identifier. This allows for drivers to direct traffic to
specific VF queues, without having the user have to understand the
physical queue layout. Add support to display this notation so that
users do not have to manually parse the value.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
---
 rxclass.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)
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Patch

diff --git a/rxclass.c b/rxclass.c
index c7bfebaf6e22..7f0e765d3b47 100644
--- a/rxclass.c
+++ b/rxclass.c
@@ -247,11 +247,19 @@  static void rxclass_print_nfc_rule(struct ethtool_rx_flow_spec *fsp)
 
 	rxclass_print_nfc_spec_ext(fsp);
 
-	if (fsp->ring_cookie != RX_CLS_FLOW_DISC)
-		fprintf(stdout, "\tAction: Direct to queue %llu\n",
-			fsp->ring_cookie);
-	else
+	if (fsp->ring_cookie != RX_CLS_FLOW_DISC) {
+		u64 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
+		u64 queue = ethtool_get_flow_spec_ring(fsp->ring_cookie);
+
+		if (vf)
+			fprintf(stdout, "\tAction: Direct to queue %llu\n",
+				queue);
+		else
+			fprintf(stdout, "\tAction: Direct to VF %llu queue %llu\n",
+				vf, queue);
+	} else {
 		fprintf(stdout, "\tAction: Drop\n");
+	}
 
 	fprintf(stdout, "\n");
 }