From: Marco Schlumpp <marco@unikraft.io>
Date: Mon, 30 Jan 2023 10:19:05 +0000 (+0100)
Subject: Pass TCP keep-alive config define to LWIP code
X-Git-Tag: RELEASE-0.12.0~3
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=c32094646b092708379c961ee89ebd284bdee6b4;p=unikraft%2Flibs%2Flwip.git

Pass TCP keep-alive config define to LWIP code

The corresponding Unikraft config has a CONFIG_ prefix that won't be
picked up by the LWIP source code.

Signed-off-by: Marco Schlumpp <marco@unikraft.io>
Reviewed-by: Radu Nichita <radunichita99@gmail.com>
Approved-by: Razvan Deaconescu <razvand@unikraft.io>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #26
---

diff --git a/include/lwipopts.h b/include/lwipopts.h
index 4433bed..1f03ccb 100644
--- a/include/lwipopts.h
+++ b/include/lwipopts.h
@@ -154,6 +154,10 @@ void sys_free(void *ptr);
 #define TCP_CALCULATE_EFF_SEND_MSS 1
 #define IP_FRAG 0
 
+#ifdef CONFIG_LWIP_TCP_KEEPALIVE
+#define LWIP_TCP_KEEPALIVE 1
+#endif /* CONFIG_LWIP_TCP_KEEPALIVE */
+
 #if CONFIG_LWIP_WND_SCALE
 /*
  * Maximum window and scaling factor