[dpdk-dev] [PATCH v2 29/39] examples/vm_power_manager: convert to new offloads API

Shahaf Shuler shahafs at mellanox.com
Tue Dec 12 13:26:46 CET 2017


Ethdev offloads API has changed since:

commit ce17eddefc20 ("ethdev: introduce Rx queue offloads API")
commit cba7f53b717d ("ethdev: introduce Tx queue offloads API")

This commit support the new API.

Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
Acked-by: David Hunt <david.hunt at intel.com>
---
 examples/vm_power_manager/main.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/examples/vm_power_manager/main.c b/examples/vm_power_manager/main.c
index 399fbdd..3248f75 100644
--- a/examples/vm_power_manager/main.c
+++ b/examples/vm_power_manager/main.c
@@ -74,7 +74,13 @@
 
 /****************/
 static const struct rte_eth_conf port_conf_default = {
-	.rxmode = { .max_rx_pkt_len = ETHER_MAX_LEN }
+	.rxmode = {
+		.max_rx_pkt_len = ETHER_MAX_LEN,
+		.ignore_offload_bitfield = 1,
+	},
+	.txmode = {
+		.offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
+	},
 };
 
 static inline int
@@ -84,10 +90,28 @@
 	const uint16_t rx_rings = 1, tx_rings = 1;
 	int retval;
 	uint16_t q;
+	struct rte_eth_dev_info dev_info;
+	struct rte_eth_txconf txq_conf;
 
 	if (port >= rte_eth_dev_count())
 		return -1;
 
+	rte_eth_dev_info_get(port, &dev_info);
+	if ((dev_info.rx_offload_capa & port_conf.rxmode.offloads) !=
+	    port_conf.rxmode.offloads) {
+		printf("Some Rx offloads are not supported "
+		       "by port %d: requested 0x%lx supported 0x%lx\n",
+		       port, port_conf.rxmode.offloads,
+		       dev_info.rx_offload_capa);
+	}
+	if ((dev_info.tx_offload_capa & port_conf.txmode.offloads) !=
+	    port_conf.txmode.offloads) {
+		printf("Some Tx offloads are not supported "
+		       "by port %d: requested 0x%lx supported 0x%lx\n",
+		       port, port_conf.txmode.offloads,
+		       dev_info.tx_offload_capa);
+	}
+
 	/* Configure the Ethernet device. */
 	retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
 	if (retval != 0)
@@ -101,10 +125,13 @@
 			return retval;
 	}
 
+	txq_conf = dev_info.default_txconf;
+	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+	txq_cont.offloads = port_conf.txmode.offloads
 	/* Allocate and set up 1 TX queue per Ethernet port. */
 	for (q = 0; q < tx_rings; q++) {
 		retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
-				rte_eth_dev_socket_id(port), NULL);
+				rte_eth_dev_socket_id(port), &txq_conf);
 		if (retval < 0)
 			return retval;
 	}
-- 
1.8.3.1



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