[dpdk-dev] [PATCH v3 19/20] e1000: add a message when forcing scatter mode

[David Marchand]

Signed-off-by: David Marchand <david.marchand at 6wind.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
---
 lib/librte_pmd_e1000/em_rxtx.c  |    4 ++++
 lib/librte_pmd_e1000/igb_rxtx.c |   14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/lib/librte_pmd_e1000/em_rxtx.c b/lib/librte_pmd_e1000/em_rxtx.c
index 444fd02..f7a9c3a 100644
--- a/lib/librte_pmd_e1000/em_rxtx.c
+++ b/lib/librte_pmd_e1000/em_rxtx.c
@@ -1732,6 +1732,8 @@ eth_em_rx_init(struct rte_eth_dev *dev)
 		 */
 		if (dev->data->dev_conf.rxmode.jumbo_frame ||
 				rctl_bsize < ETHER_MAX_LEN) {
+			if (!dev->data->scattered_rx)
+				PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 			dev->rx_pkt_burst =
 				(eth_rx_burst_t)eth_em_recv_scattered_pkts;
 			dev->data->scattered_rx = 1;
@@ -1739,6 +1741,8 @@ eth_em_rx_init(struct rte_eth_dev *dev)
 	}
 
 	if (dev->data->dev_conf.rxmode.enable_scatter) {
+		if (!dev->data->scattered_rx)
+			PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 		dev->rx_pkt_burst = eth_em_recv_scattered_pkts;
 		dev->data->scattered_rx = 1;
 	}
diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c
index d615d3e..768cc0e 100644
--- a/lib/librte_pmd_e1000/igb_rxtx.c
+++ b/lib/librte_pmd_e1000/igb_rxtx.c
@@ -1997,6 +1997,9 @@ eth_igb_rx_init(struct rte_eth_dev *dev)
 			/* It adds dual VLAN length for supporting dual VLAN */
 			if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
 						2 * VLAN_TAG_SIZE) > buf_size){
+				if (!dev->data->scattered_rx)
+					PMD_INIT_LOG(DEBUG,
+						     "forcing scatter mode");
 				dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
 				dev->data->scattered_rx = 1;
 			}
@@ -2006,6 +2009,8 @@ eth_igb_rx_init(struct rte_eth_dev *dev)
 			 */
 			if ((rctl_bsize == 0) || (rctl_bsize > buf_size))
 				rctl_bsize = buf_size;
+			if (!dev->data->scattered_rx)
+				PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 			dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
 			dev->data->scattered_rx = 1;
 		}
@@ -2027,6 +2032,8 @@ eth_igb_rx_init(struct rte_eth_dev *dev)
 	}
 
 	if (dev->data->dev_conf.rxmode.enable_scatter) {
+		if (!dev->data->scattered_rx)
+			PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 		dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
 		dev->data->scattered_rx = 1;
 	}
@@ -2261,6 +2268,9 @@ eth_igbvf_rx_init(struct rte_eth_dev *dev)
 			/* It adds dual VLAN length for supporting dual VLAN */
 			if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
 						2 * VLAN_TAG_SIZE) > buf_size){
+				if (!dev->data->scattered_rx)
+					PMD_INIT_LOG(DEBUG,
+						     "forcing scatter mode");
 				dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
 				dev->data->scattered_rx = 1;
 			}
@@ -2270,6 +2280,8 @@ eth_igbvf_rx_init(struct rte_eth_dev *dev)
 			 */
 			if ((rctl_bsize == 0) || (rctl_bsize > buf_size))
 				rctl_bsize = buf_size;
+			if (!dev->data->scattered_rx)
+				PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 			dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
 			dev->data->scattered_rx = 1;
 		}
@@ -2301,6 +2313,8 @@ eth_igbvf_rx_init(struct rte_eth_dev *dev)
 	}
 
 	if (dev->data->dev_conf.rxmode.enable_scatter) {
+		if (!dev->data->scattered_rx)
+			PMD_INIT_LOG(DEBUG, "forcing scatter mode");
 		dev->rx_pkt_burst = eth_igb_recv_scattered_pkts;
 		dev->data->scattered_rx = 1;
 	}
-- 
1.7.10.4