From b58e7bc7cb8ce4fc6f824761ac8ef3920e7dfcc1 Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Tue, 25 Sep 2018 20:46:52 +0200
Subject: working on icmp ping reply

---
 net/inet.h | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

(limited to 'net/inet.h')

diff --git a/net/inet.h b/net/inet.h
index a2e8dd8..75ab6db 100644
--- a/net/inet.h
+++ b/net/inet.h
@@ -8,13 +8,16 @@
 #define ARP_IPV4 0x800
 #define ARP_REPLY 2
 #define ARP_REQUEST 1
+
 #define ETH_P_ARP	0x0806
+#define ETH_P_IPV4	0x0800
+
+#define IPV4_P_ICMP	0x1
+
+#define ICMP_ECHO_REPLY 0
+#define ICMP_UNREACHABLE 3
+#define ICMP_ECHO_REQUEST 8
 
-static uint16_t ntohs(uint16_t val)
-{
-    return val<<8|val>>8;
-}
-static uint16_t htons(uint16_t val)
-{
-    return val<<8|val>>8;
-}
+uint16_t checksum(void *addr, int count);
+uint16_t ntohs(uint16_t val);
+uint16_t htons(uint16_t val);
-- 
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