From e6e6c11c78a341dab682aacbf8577e3fb234223e Mon Sep 17 00:00:00 2001
From: Pim van Pelt <pim@ipng.nl>
Date: Tue, 8 Mar 2022 13:50:37 +0000
Subject: [PATCH] Only signal NL_EVENT_READ once per read cycle, not once per
netlink message - from https://gerrit.fd.io/r/c/vpp/+/35525
---
lcpng_netlink.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/lcpng_netlink.c b/lcpng_netlink.c
index 0b46d27..db4e1e2 100644
--- a/lcpng_netlink.c
+++ b/lcpng_netlink.c
@@ -382,10 +382,6 @@ lcp_nl_callback (struct nl_msg *msg, void *arg)
msg_info->msg = msg;
nlmsg_get (msg);
- /* notify process node */
- vlib_process_signal_event (vlib_get_main (), lcp_nl_process_node.index,
- NL_EVENT_READ, 0);
-
return 0;
}
@@ -466,6 +462,13 @@ lcp_nl_read_cb (clib_file_t *f)
vlib_process_signal_event (vlib_get_main (), lcp_nl_process_node.index,
NL_EVENT_READ_ERR, 0);
}
+ else
+ {
+ /* notify process node */
+ vlib_process_signal_event (vlib_get_main (), lcp_nl_process_node.index,
+ NL_EVENT_READ, 0);
+ }
+
return 0;
}