components/lwip: Expose TCP_MSL in menuconfig.

Merges https://github.com/espressif/esp-idf/pull/783
2017-07-09 12:42:37 +02:00 · 2017-07-09 12:42:37 +02:00 · 92535158e7
parent ef60d73fe4
commit 92535158e7
2 changed files with 11 additions and 0 deletions
--- a/components/lwip/Kconfig
+++ b/components/lwip/Kconfig
@ -93,6 +93,12 @@ config TCP_MSS

        Can be set lower to save RAM, the default value 1436 will give best throughput.

+config TCP_MSL
+    int "Maximum segment lifetime (MSL)"
+    default 60000
+    help
+        Set maximum segment lifetime in in milliseconds.
+
 config TCP_SND_BUF_DEFAULT
    int "Default send buffer size"
    default 5744  # 4 * default MSS
--- a/components/lwip/include/lwip/port/lwipopts.h
+++ b/components/lwip/include/lwip/port/lwipopts.h
@ -294,6 +294,11 @@
 */
 #define TCP_MSS                         CONFIG_TCP_MSS

+/**
+ * TCP_MSL: The maximum segment lifetime in milliseconds
+ */
+#define TCP_MSL                         CONFIG_TCP_MSL
+
 /**
 * TCP_MAXRTX: Maximum number of retransmissions of data segments.
 */