diff options
Diffstat (limited to 'usr.sbin/tcpdump/print-ip.c')
-rw-r--r-- | usr.sbin/tcpdump/print-ip.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/usr.sbin/tcpdump/print-ip.c b/usr.sbin/tcpdump/print-ip.c index 838d4cb1560..55cca732941 100644 --- a/usr.sbin/tcpdump/print-ip.c +++ b/usr.sbin/tcpdump/print-ip.c @@ -21,7 +21,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /cvs/OpenBSD/src/usr.sbin/tcpdump/print-ip.c,v 1.5 1996/12/12 16:22:35 bitblt Exp $ (LBL)"; + "@(#) $Header: /cvs/OpenBSD/src/usr.sbin/tcpdump/print-ip.c,v 1.6 1999/07/28 20:41:36 jakob Exp $ (LBL)"; #endif #include <sys/param.h> @@ -55,6 +55,15 @@ static const char rcsid[] = #define IN_CLASSD(i) (((int32_t)(i) & 0xf0000000) == 0xe0000000) #endif +/* Definitions required for ECN + for use if the OS running tcpdump does not have ECN */ +#ifndef IPTOS_ECT +#define IPTOS_ECT 0x02 /* ECN Capable Transport in IP header*/ +#endif +#ifndef IPTOS_CE +#define IPTOS_CE 0x01 /* ECN Cong. Experienced in IP header*/ +#endif + /* (following from ipmulti/mrouted/prune.h) */ /* @@ -463,6 +472,20 @@ ip_print(register const u_char *bp, register u_int length) } break; +#ifndef IPPROTO_ESP +#define IPPROTO_ESP 50 +#endif + case IPPROTO_ESP: + esp_print(cp, len, (const u_char *)ip); + break; + +#ifndef IPPROTO_AH +#define IPPROTO_AH 51 +#endif + case IPPROTO_AH: + ah_print(cp, len, (const u_char *)ip); + break; + default: (void)printf("%s > %s:", ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst)); @@ -489,8 +512,23 @@ ip_print(register const u_char *bp, register u_int length) } else if (off & IP_DF) (void)printf(" (DF)"); - if (ip->ip_tos) - (void)printf(" [tos 0x%x]", (int)ip->ip_tos); + if (ip->ip_tos) { + (void)printf(" [tos 0x%x", (int)ip->ip_tos); + if (ip->ip_tos & (IPTOS_CE|IPTOS_ECT)) { + (void)printf(" ("); + if (ip->ip_tos & IPTOS_ECT) { + /* ECN-capable transport */ + putchar('E'); + } + if (ip->ip_tos & IPTOS_CE) { + /* _C_ongestion experienced (ECN) */ + putchar('C'); + } + (void)printf(")"); + } + (void)printf("]"); + } + if (ip->ip_ttl <= 1) (void)printf(" [ttl %d]", (int)ip->ip_ttl); |