2 * Copyright (c) 2002-2003 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
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9 * redistributions in binary form must reproduce the above copyright
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12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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32 #include "base/cprintf.hh"
33 #include "sim/host.hh"
34 #include "base/inet.hh"
38 eaddr_string(const uint8_t a
[6])
41 ccprintf(stream
, "%x:%x:%x:%x:%x:%x", a
[0], a
[1], a
[2], a
[3], a
[4], a
[5]);
47 IpHdr::ip_cksum() const
49 uint16_t sum
= ip_cksum_add(this, hlen(), 0);
50 return ip_cksum_carry(sum
);
54 IpHdr::tu_cksum() const
56 uint16_t sum
= ip_cksum_add(payload(), len() - hlen(), 0);
57 sum
= ip_cksum_add(&ip_src
, 4, sum
);
58 sum
= ip_cksum_add(&ip_dst
, 4, sum
);
59 sum
+= htons(ip_p
+ ip_len
);
60 return ip_cksum_carry(sum
);