[dpdk-dev] [PATCH] examples/flow_filtering: add delay during updating link status
Beilei Xing
beilei.xing at intel.com
Wed Jan 24 08:52:39 CET 2018
Add up to 9s delay for getting link status to make sure NIC updates
link status successfully, just like other applications such as
testpmd and l2fwd.
Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
examples/flow_filtering/main.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/examples/flow_filtering/main.c b/examples/flow_filtering/main.c
index 4a07b63..1788f24 100644
--- a/examples/flow_filtering/main.c
+++ b/examples/flow_filtering/main.c
@@ -55,6 +55,7 @@
#include <rte_mbuf.h>
#include <rte_net.h>
#include <rte_flow.h>
+#include <rte_cycles.h>
static volatile bool force_quit;
@@ -119,13 +120,22 @@ main_loop(void)
rte_eth_dev_close(port_id);
}
+#define CHECK_INTERVAL 1000 /* 100ms */
+#define MAX_REPEAT_TIME 90 /* 9s (90 * 100ms) in total */
+
static void
assert_link_status(void)
{
struct rte_eth_link link;
+ uint8_t rep_cnt = MAX_REPEAT_TIME;
memset(&link, 0, sizeof(link));
- rte_eth_link_get(port_id, &link);
+ do {
+ rte_eth_link_get(port_id, &link);
+ if (link.link_status == ETH_LINK_UP)
+ break;
+ } while (--rep_cnt);
+
if (link.link_status == ETH_LINK_DOWN)
rte_exit(EXIT_FAILURE, ":: error: link is still down\n");
}
--
2.5.5
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