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[PATCH V4 net-next 10/13] net/ena: reduce the severity of ena printouts

From Netanel Belgazal <netanel@annapurnalabs.com>
Newsgroups linux.kernel
Subject [PATCH V4 net-next 10/13] net/ena: reduce the severity of ena printouts
Date 2017-02-09 14:40 +0100
Message-ID <t8X76-6JS-63@gated-at.bofh.it> (permalink)
References <t8WXn-6Gp-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Signed-off-by: Netanel Belgazal <netanel@annapurnalabs.com>
---
 drivers/net/ethernet/amazon/ena/ena_com.c    | 27 +++++++++++++++++----------
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 14 +++++++++++---
 2 files changed, 28 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 46aad3a..5518b1f 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -784,7 +784,7 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev,
 	int ret;
 
 	if (!ena_com_check_supported_feature_id(ena_dev, feature_id)) {
-		pr_info("Feature %d isn't supported\n", feature_id);
+		pr_debug("Feature %d isn't supported\n", feature_id);
 		return -EPERM;
 	}
 
@@ -1126,7 +1126,13 @@ int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue,
 	comp_ctx = ena_com_submit_admin_cmd(admin_queue, cmd, cmd_size,
 					    comp, comp_size);
 	if (unlikely(IS_ERR(comp_ctx))) {
-		pr_err("Failed to submit command [%ld]\n", PTR_ERR(comp_ctx));
+		if (comp_ctx == ERR_PTR(-ENODEV))
+			pr_debug("Failed to submit command [%ld]\n",
+				 PTR_ERR(comp_ctx));
+		else
+			pr_err("Failed to submit command [%ld]\n",
+			       PTR_ERR(comp_ctx));
+
 		return PTR_ERR(comp_ctx);
 	}
 
@@ -1895,7 +1901,7 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu)
 	int ret;
 
 	if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_MTU)) {
-		pr_info("Feature %d isn't supported\n", ENA_ADMIN_MTU);
+		pr_debug("Feature %d isn't supported\n", ENA_ADMIN_MTU);
 		return -EPERM;
 	}
 
@@ -1948,8 +1954,8 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev)
 
 	if (!ena_com_check_supported_feature_id(ena_dev,
 						ENA_ADMIN_RSS_HASH_FUNCTION)) {
-		pr_info("Feature %d isn't supported\n",
-			ENA_ADMIN_RSS_HASH_FUNCTION);
+		pr_debug("Feature %d isn't supported\n",
+			 ENA_ADMIN_RSS_HASH_FUNCTION);
 		return -EPERM;
 	}
 
@@ -2112,7 +2118,8 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev)
 
 	if (!ena_com_check_supported_feature_id(ena_dev,
 						ENA_ADMIN_RSS_HASH_INPUT)) {
-		pr_info("Feature %d isn't supported\n", ENA_ADMIN_RSS_HASH_INPUT);
+		pr_debug("Feature %d isn't supported\n",
+			 ENA_ADMIN_RSS_HASH_INPUT);
 		return -EPERM;
 	}
 
@@ -2270,8 +2277,8 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev)
 
 	if (!ena_com_check_supported_feature_id(
 		    ena_dev, ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG)) {
-		pr_info("Feature %d isn't supported\n",
-			ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG);
+		pr_debug("Feature %d isn't supported\n",
+			 ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG);
 		return -EPERM;
 	}
 
@@ -2542,8 +2549,8 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev)
 
 	if (rc) {
 		if (rc == -EPERM) {
-			pr_info("Feature %d isn't supported\n",
-				ENA_ADMIN_INTERRUPT_MODERATION);
+			pr_debug("Feature %d isn't supported\n",
+				 ENA_ADMIN_INTERRUPT_MODERATION);
 			rc = 0;
 		} else {
 			pr_err("Failed to get interrupt moderation admin cmd. rc: %d\n",
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index d467a79..5079366 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -563,6 +563,7 @@ static void ena_free_all_rx_bufs(struct ena_adapter *adapter)
  */
 static void ena_free_tx_bufs(struct ena_ring *tx_ring)
 {
+	bool print_once = true;
 	u32 i;
 
 	for (i = 0; i < tx_ring->ring_size; i++) {
@@ -574,9 +575,16 @@ static void ena_free_tx_bufs(struct ena_ring *tx_ring)
 		if (!tx_info->skb)
 			continue;
 
-		netdev_notice(tx_ring->netdev,
-			      "free uncompleted tx skb qid %d idx 0x%x\n",
-			      tx_ring->qid, i);
+		if (print_once) {
+			netdev_notice(tx_ring->netdev,
+				      "free uncompleted tx skb qid %d idx 0x%x\n",
+				      tx_ring->qid, i);
+			print_once = false;
+		} else {
+			netdev_dbg(tx_ring->netdev,
+				   "free uncompleted tx skb qid %d idx 0x%x\n",
+				   tx_ring->qid, i);
+		}
 
 		ena_buf = tx_info->bufs;
 		dma_unmap_single(tx_ring->dev,
-- 
2.7.4

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[PATCH V4 net-next 00/13]  Bug Fixes in ENA driver Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:30 +0100
  [PATCH V4 net-next 05/13] net/ena: fix NULL dereference when removing the driver after device reset failed Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:30 +0100
  [PATCH V4 net-next 02/13] net/ena: fix queues number calculation Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:30 +0100
  [PATCH V4 net-next 03/13] net/ena: fix ethtool RSS flow configuration Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:30 +0100
  [PATCH V4 net-next 06/13] net/ena: refactor ena_get_stats64 to be atomic context safe Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:30 +0100
  [PATCH V4 net-next 13/13] net/ena: update driver version to 1.1.2 Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 07/13] net/ena: fix potential access to freed memory during device reset Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 10/13] net/ena: reduce the severity of ena printouts Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 08/13] net/ena: use napi_complete_done() return value Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 11/13] net/ena: change driver's default timeouts Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 09/13] net/ena: use READ_ONCE to access completion descriptors Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 01/13] net/ena: remove ntuple filter support from device feature list Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 14:40 +0100
  [PATCH V4 net-next 04/13] net/ena: fix RSS default hash configuration Netanel Belgazal <netanel@annapurnalabs.com> - 2017-02-09 15:30 +0100
  Re: [PATCH V4 net-next 00/13] Bug Fixes in ENA driver David Miller <davem@davemloft.net> - 2017-02-10 04:30 +0100

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