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From: Jie Wang <jie1x.wang@intel.com>
To: dev@dpdk.org
Cc: xiaoyun.li@intel.com, andrew.rybchenko@oktetlabs.ru, thomas@monjalon.net,
 ferruh.yigit@intel.com, Jie Wang <jie1x.wang@intel.com>
Date: Thu, 26 Aug 2021 15:09:24 +0800
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Subject: [dpdk-dev] [PATCH v7 2/2] app/testpmd: fix testpmd doesn't show RSS
 hash offload
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The driver may change offloads info into dev->data->dev_conf
in dev_configure which may cause port->dev_conf and port->rx_conf
contain outdated values.

This patch updates the offloads info if it changes to fix this issue.

Fixes: ce8d561418d4 ("app/testpmd: add port configuration settings")

Signed-off-by: Jie Wang <jie1x.wang@intel.com>
---
 app/test-pmd/testpmd.c | 33 +++++++++++++++++++++++++++++++++
 app/test-pmd/testpmd.h |  2 ++
 app/test-pmd/util.c    | 15 +++++++++++++++
 3 files changed, 50 insertions(+)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 6cbe9ba3c8..c0bdb740fe 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -2461,6 +2461,9 @@ start_port(portid_t pid)
 		}
 
 		if (port->need_reconfig > 0) {
+			struct rte_eth_conf dev_conf_info;
+			int k;
+
 			port->need_reconfig = 0;
 
 			if (flow_isolate_all) {
@@ -2498,6 +2501,36 @@ start_port(portid_t pid)
 				port->need_reconfig = 1;
 				return -1;
 			}
+			/* get offloads */
+			if (0 !=
+				eth_dev_conf_info_get_print_err(pi,
+							&dev_conf_info)) {
+				rte_exit(EXIT_FAILURE,
+				    "rte_eth_dev_conf_info_get() failed\n");
+				return -1;
+			}
+			/* Apply Rx offloads configuration */
+			if (dev_conf_info.rxmode.offloads !=
+				port->dev_conf.rxmode.offloads) {
+				port->dev_conf.rxmode.offloads =
+					dev_conf_info.rxmode.offloads;
+				for (k = 0;
+				     k < port->dev_info.max_rx_queues;
+				     k++)
+					port->rx_conf[k].offloads =
+						dev_conf_info.rxmode.offloads;
+			}
+			/* Apply Tx offloads configuration */
+			if (dev_conf_info.txmode.offloads !=
+				port->dev_conf.txmode.offloads) {
+				port->dev_conf.txmode.offloads =
+					dev_conf_info.txmode.offloads;
+				for (k = 0;
+				     k < port->dev_info.max_tx_queues;
+				     k++)
+					port->tx_conf[k].offloads =
+						dev_conf_info.txmode.offloads;
+			}
 		}
 		if (port->need_reconfig_queues > 0) {
 			port->need_reconfig_queues = 0;
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index 16a3598e48..6970a20ee4 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -950,6 +950,8 @@ void show_gro(portid_t port_id);
 void setup_gso(const char *mode, portid_t port_id);
 int eth_dev_info_get_print_err(uint16_t port_id,
 			struct rte_eth_dev_info *dev_info);
+int eth_dev_conf_info_get_print_err(uint16_t port_id,
+			struct rte_eth_conf *dev_conf_info);
 void eth_set_promisc_mode(uint16_t port_id, int enable);
 void eth_set_allmulticast_mode(uint16_t port, int enable);
 int eth_link_get_nowait_print_err(uint16_t port_id, struct rte_eth_link *link);
diff --git a/app/test-pmd/util.c b/app/test-pmd/util.c
index 5dd7157947..170d8f5c61 100644
--- a/app/test-pmd/util.c
+++ b/app/test-pmd/util.c
@@ -440,6 +440,21 @@ eth_dev_info_get_print_err(uint16_t port_id,
 	return ret;
 }
 
+int
+eth_dev_conf_info_get_print_err(uint16_t port_id,
+				struct rte_eth_conf *dev_conf_info)
+{
+	int ret;
+
+	ret = rte_eth_dev_conf_info_get(port_id, dev_conf_info);
+	if (ret != 0)
+		fprintf(stderr,
+			"Error during getting device configuration (port %u) info: %s\n",
+			port_id, strerror(-ret));
+
+	return ret;
+}
+
 void
 eth_set_promisc_mode(uint16_t port, int enable)
 {
-- 
2.25.1