Tested-by: Lei Yao <lei.a.yao at intel.com>
- Apply patch to v16.11-rc3
- Compile: Pass
- Host OS: VMware ESXi 6.0
- VM OS: Fedora 20
- GCC: 4.8.3
Tested with this patch, l3fwd sample can work with i40e VF with Fedora VM using
VMware as the host.
-----Original Message-----
From: Topel, Bjorn
Sent: Wednesday, November 9, 2016 4:24 PM
To: dev at dpdk.org
Cc: Xu, Qian Q <qian.q.xu at intel.com>; Yao, Lei A <lei.a.yao at intel.com>;
Wu, Jingjing <jingjing.wu at intel.com>; thomas.monjalon at 6wind.com; Topel,
Bjorn <bjorn.topel at intel.com>
Subject: [PATCH] examples/l3fwd: force CRC stripping for i40evf
Commit 1bbcc5d21129 ("i40evf: report error for unsupported CRC stripping
config") broke l3fwd, since it was forcing that CRC was kept. Now, if i40evf is
running, CRC stripping will be enabled.
Signed-off-by: Bj?rn T?pel <bjorn.topel at intel.com>
---
examples/l3fwd/main.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c index
7223e773107e..b60278794135 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -906,6 +906,14 @@ main(int argc, char **argv)
n_tx_queue = MAX_TX_QUEUE_PER_PORT;
printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
nb_rx_queue, (unsigned)n_tx_queue );
+ rte_eth_dev_info_get(portid, &dev_info);
+ if (dev_info.driver_name &&
+ strcmp(dev_info.driver_name, "net_i40e_vf") == 0) {
+ /* i40evf require that CRC stripping is enabled. */
+ port_conf.rxmode.hw_strip_crc = 1;
+ } else {
+ port_conf.rxmode.hw_strip_crc = 0;
+ }
ret = rte_eth_dev_configure(portid, nb_rx_queue,
(uint16_t)n_tx_queue, &port_conf);
if (ret < 0)
@@ -946,7 +954,6 @@ main(int argc, char **argv)
printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
txconf = &dev_info.default_txconf;
if (port_conf.rxmode.jumbo_frame)
txconf->txq_flags = 0;
--
2.9.3
