From 03c5dd9462492e291c6a49b88e1cd9ab34d86b6f Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Tue, 23 Aug 2022 17:58:42 +0200
Subject: user/netstack: TCP listen and close

---
 src/user/app/netstack/util.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/user/app/netstack/util.h')

diff --git a/src/user/app/netstack/util.h b/src/user/app/netstack/util.h
index b8fa5c6..0b29560 100644
--- a/src/user/app/netstack/util.h
+++ b/src/user/app/netstack/util.h
@@ -8,6 +8,10 @@
 
 uint32_t crc32(const uint8_t *buf, size_t len);
 uint16_t ip_checksum(const uint8_t *buf, size_t len);
+uint16_t ip_checksumphdr(
+	const uint8_t *buf, size_t len,
+	uint32_t ip1, uint32_t ip2,
+	uint16_t proto);
 /* 0 on success, negative failure */
 int ip_parse(const char *s, uint32_t *ip);
 
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