[dpdk-dev] [PATCH 8/9] qede: enable vf-vf traffic with unmatched dest addr

[Rasesh Mody]

From: Sony Chacko <sony.chacko at qlogic.com>

This patch enables VF to VF traffic with unmatched destination address.

Signed-off-by: Sony Chacko <sony.chacko at qlogic.com>
---
 drivers/net/qede/base/ecore_l2.c |   19 +++++++++++-----
 drivers/net/qede/qede_eth_if.c   |   45 +++++++++++++++++++++-----------------
 2 files changed, 39 insertions(+), 25 deletions(-)

diff --git a/drivers/net/qede/base/ecore_l2.c b/drivers/net/qede/base/ecore_l2.c
index 8a1a26a..9e6ef5a 100644
--- a/drivers/net/qede/base/ecore_l2.c
+++ b/drivers/net/qede/base/ecore_l2.c
@@ -227,11 +227,11 @@ ecore_sp_update_accept_mode(struct ecore_hwfn *p_hwfn,
  *		SET_FIELD(*state, ETH_VPORT_RX_MODE_UCAST_DROP_ALL,
  *			  !!(accept_filter & ECORE_ACCEPT_NONE));
  */
-/*
- *		SET_FIELD(*state, ETH_VPORT_RX_MODE_UCAST_ACCEPT_ALL,
- *			  (!!(accept_filter & ECORE_ACCEPT_UCAST_MATCHED) &&
- *			   !!(accept_filter & ECORE_ACCEPT_UCAST_UNMATCHED)));
- */
+
+		SET_FIELD(*state, ETH_VPORT_RX_MODE_UCAST_ACCEPT_ALL,
+			  (!!(accept_filter & ECORE_ACCEPT_UCAST_MATCHED) &&
+			   !!(accept_filter & ECORE_ACCEPT_UCAST_UNMATCHED)));
+
 		SET_FIELD(*state, ETH_VPORT_RX_MODE_UCAST_DROP_ALL,
 			  !(!!(accept_filter & ECORE_ACCEPT_UCAST_MATCHED) ||
 			    !!(accept_filter & ECORE_ACCEPT_UCAST_UNMATCHED)));
@@ -275,6 +275,15 @@ ecore_sp_update_accept_mode(struct ecore_hwfn *p_hwfn,
 
 		SET_FIELD(*state, ETH_VPORT_TX_MODE_BCAST_ACCEPT_ALL,
 			  !!(accept_filter & ECORE_ACCEPT_BCAST));
+		/* @DPDK */
+		/* ETH_VPORT_RX_MODE_UCAST_ACCEPT_ALL and
+		 * ETH_VPORT_TX_MODE_UCAST_ACCEPT_ALL
+		 * needs to be set for VF-VF communication to work
+		 * when dest macaddr is unknown.
+		 */
+		SET_FIELD(*state, ETH_VPORT_TX_MODE_UCAST_ACCEPT_ALL,
+			  (!!(accept_filter & ECORE_ACCEPT_UCAST_MATCHED) &&
+			   !!(accept_filter & ECORE_ACCEPT_UCAST_UNMATCHED)));
 
 		DP_VERBOSE(p_hwfn, ECORE_MSG_SP,
 			   "p_ramrod->tx_mode.state = 0x%x\n",
diff --git a/drivers/net/qede/qede_eth_if.c b/drivers/net/qede/qede_eth_if.c
index fd07d8b..b6f6487 100644
--- a/drivers/net/qede/qede_eth_if.c
+++ b/drivers/net/qede/qede_eth_if.c
@@ -377,33 +377,38 @@ qed_configure_filter_mcast(struct ecore_dev *edev,
 	return ecore_filter_mcast_cmd(edev, &mcast, ECORE_SPQ_MODE_CB, NULL);
 }
 
-int
-qed_configure_filter_rx_mode(struct ecore_dev *edev,
-			     enum qed_filter_rx_mode_type type)
+int qed_configure_filter_rx_mode(struct ecore_dev *edev,
+				 enum qed_filter_rx_mode_type type)
 {
-	struct ecore_filter_accept_flags accept_flags;
+	struct ecore_filter_accept_flags flags;
 
-	memset(&accept_flags, 0, sizeof(accept_flags));
+	memset(&flags, 0, sizeof(flags));
 
-	accept_flags.update_rx_mode_config = 1;
-	accept_flags.update_tx_mode_config = 1;
-	accept_flags.rx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
-					ECORE_ACCEPT_MCAST_MATCHED |
-					ECORE_ACCEPT_BCAST;
-	accept_flags.tx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
+	flags.update_rx_mode_config = 1;
+	flags.update_tx_mode_config = 1;
+	flags.rx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
 					ECORE_ACCEPT_MCAST_MATCHED |
 					ECORE_ACCEPT_BCAST;
 
-	if (type == QED_FILTER_RX_MODE_TYPE_PROMISC)
-		accept_flags.rx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
-	else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC)
-		accept_flags.rx_accept_filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
-	else if (type == (QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC |
-			  QED_FILTER_RX_MODE_TYPE_PROMISC))
-		accept_flags.rx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED |
-		    ECORE_ACCEPT_MCAST_UNMATCHED;
+	flags.tx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
+				 ECORE_ACCEPT_MCAST_MATCHED |
+				 ECORE_ACCEPT_BCAST;
+
+	if (type == QED_FILTER_RX_MODE_TYPE_PROMISC) {
+		flags.rx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
+		if (IS_VF(edev)) {
+			flags.tx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
+			DP_INFO(edev, "Enabling Tx unmatched flag for VF\n");
+		}
+	} else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC) {
+		flags.rx_accept_filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
+	} else if (type == (QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC |
+			    QED_FILTER_RX_MODE_TYPE_PROMISC)) {
+		flags.rx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED |
+					  ECORE_ACCEPT_MCAST_UNMATCHED;
+	}
 
-	return ecore_filter_accept_cmd(edev, 0, accept_flags, false, false,
+	return ecore_filter_accept_cmd(edev, 0, flags, false, false,
 				       ECORE_SPQ_MODE_CB, NULL);
 }
 
-- 
1.7.10.3