Increase the netlink buffer size from 3MB to 16MB. (#739)

kishorekunal01 · StormLiangMS · commit 1badd4614b0d · 2023-02-10T15:19:35.000Z
As error is seen in fdbsyncd with netlink reports "out of memory on reading a netlink socket"
It is seen when kernel is sending 10k remote mac to fdbsyncd.

Signed-off-by: kishore.kunal@broadcom.com
diff --git a/common/netlink.cpp b/common/netlink.cpp
@@ -35,8 +35,8 @@ NetLink::NetLink(int pri) :
     }
 
     nl_socket_set_nonblocking(m_socket);
-    /* Set socket buffer size to 3MB */
-    nl_socket_set_buffer_size(m_socket, 3145728, 0);
+    /* Set socket buffer size to 16MB */
+    nl_socket_set_buffer_size(m_socket, 16777216, 0);
 }
 
 NetLink::~NetLink()

Original file line number	Diff line number	Diff line change
`@@ -35,8 +35,8 @@ NetLink::NetLink(int pri) :`
`35`	`35`	`}`
`36`	`36`
`37`	`37`	`nl_socket_set_nonblocking(m_socket);`
`38`		`- /* Set socket buffer size to 3MB */`
`39`		`- nl_socket_set_buffer_size(m_socket, 3145728, 0);`
	`38`	`+ /* Set socket buffer size to 16MB */`
	`39`	`+ nl_socket_set_buffer_size(m_socket, 16777216, 0);`
`40`	`40`	`}`
`41`	`41`
`42`	`42`	`NetLink::~NetLink()`