commit 537e85deab6fd916952ff4badeda4ec5d6f1a121
author Florin Coras <fcoras@cisco.com> Fri Mar 22 15:42:18 2019 -0700
committer John Lo <loj@cisco.com> Sat Mar 23 03:45:16 2019 +0000
tree 00260c027b0963b1ab965623fbe425e837fb2fd8
parent 6c1f56f08c30eb2ad5d734f9891f8b7f4ef9760d

tcp: make default mtu configurable

Change-Id: I56d8d8d67d5590e24c1ddb54b0c63a2cb03798e1
Signed-off-by: Florin Coras <fcoras@cisco.com>

src/vnet/tcp/tcp_output.c

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 4b38649..2abc40a 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -49,10 +49,6 @@
   tcp_connection_t tcp_connection;
 } tcp_tx_trace_t;
 
-#ifndef CLIB_MARCH_VARIANT
-u16 dummy_mtu = 1460;
-#endif /* CLIB_MARCH_VARIANT */
-
 static u8 *
 format_tcp_tx_trace (u8 * s, va_list * args)
 {
@@ -89,7 +85,7 @@
 tcp_update_rcv_mss (tcp_connection_t * tc)
 {
   /* TODO find our iface MTU */
-  tc->mss = dummy_mtu - sizeof (tcp_header_t);
+  tc->mss = tcp_main.default_mtu - sizeof (tcp_header_t);
 }
 
 /**
@@ -293,7 +289,7 @@
   u8 len = 0;
 
   opts->flags |= TCP_OPTS_FLAG_MSS;
-  opts->mss = dummy_mtu;	/*XXX discover that */
+  opts->mss = tcp_main.default_mtu;	/*XXX discover that */
   len += TCP_OPTION_LEN_MSS;
 
   opts->flags |= TCP_OPTS_FLAG_WSCALE;