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Groups > linux.kernel > #1567770

[PATCH V3 net-next 04/14] net/ena: fix ethtool RSS flow configuration

From Netanel Belgazal <netanel@annapurnalabs.com>
Newsgroups linux.kernel
Subject [PATCH V3 net-next 04/14] net/ena: fix ethtool RSS flow configuration
Date 2017-01-26 23:30 +0100
Message-ID <t40Ii-4A6-25@gated-at.bofh.it> (permalink)
References <t40yB-4uo-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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ena_flow_data_to_flow_hash and ena_flow_hash_to_flow_type
treat the ena_flow_hash_to_flow_type enum as power of two values.

Change the values of ena_admin_flow_hash_fields to be power of two values.

This bug effect the ethtool set/get rxnfc.
ethtool will report wrong values hash fields for get and will
configure wrong hash fields in set.

Signed-off-by: Netanel Belgazal <netanel@annapurnalabs.com>
---
 drivers/net/ethernet/amazon/ena/ena_admin_defs.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
index a46e749..e1594d6 100644
--- a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
@@ -631,22 +631,22 @@ enum ena_admin_flow_hash_proto {
 /* RSS flow hash fields */
 enum ena_admin_flow_hash_fields {
 	/* Ethernet Dest Addr */
-	ENA_ADMIN_RSS_L2_DA	= 0,
+	ENA_ADMIN_RSS_L2_DA	= BIT(0),
 
 	/* Ethernet Src Addr */
-	ENA_ADMIN_RSS_L2_SA	= 1,
+	ENA_ADMIN_RSS_L2_SA	= BIT(1),
 
 	/* ipv4/6 Dest Addr */
-	ENA_ADMIN_RSS_L3_DA	= 2,
+	ENA_ADMIN_RSS_L3_DA	= BIT(2),
 
 	/* ipv4/6 Src Addr */
-	ENA_ADMIN_RSS_L3_SA	= 5,
+	ENA_ADMIN_RSS_L3_SA	= BIT(3),
 
 	/* tcp/udp Dest Port */
-	ENA_ADMIN_RSS_L4_DP	= 6,
+	ENA_ADMIN_RSS_L4_DP	= BIT(4),
 
 	/* tcp/udp Src Port */
-	ENA_ADMIN_RSS_L4_SP	= 7,
+	ENA_ADMIN_RSS_L4_SP	= BIT(5),
 };
 
 struct ena_admin_proto_input {
-- 
2.7.4

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Thread

[PATCH V3 net-next 00/14] Bug Fixes in ENA driver. Netanel Belgazal <netanel@annapurnalabs.com> - 2017-01-26 23:30 +0100
  [PATCH V3 net-next 11/14] net/ena: reduce the severity of ena printouts Netanel Belgazal <netanel@annapurnalabs.com> - 2017-01-26 23:30 +0100
  [PATCH V3 net-next 04/14] net/ena: fix ethtool RSS flow configuration Netanel Belgazal <netanel@annapurnalabs.com> - 2017-01-26 23:30 +0100
  Re: [PATCH V3 net-next 00/14] Bug Fixes in ENA driver. David Miller <davem@davemloft.net> - 2017-01-27 17:10 +0100

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