X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/949a22064d3534eddeb8aa2b9c36a50e45fe16fa..0845bc813c1cc48b18cdefff0b387c110647463c:/print-vxlan.c diff --git a/print-vxlan.c b/print-vxlan.c index 80344634..fd12d2d3 100644 --- a/print-vxlan.c +++ b/print-vxlan.c @@ -19,17 +19,13 @@ #include -#include -#include - -#include "interface.h" +#include "netdissect.h" #include "extract.h" -#include "addrtoname.h" - -#include "udp.h" /* - * VXLAN header, draft-mahalingam-dutt-dcops-vxlan-03 + * VXLAN header, RFC7348 + * Virtual eXtensible Local Area Network (VXLAN): A Framework + * for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks * * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 @@ -37,17 +33,17 @@ * |R|R|R|R|I|R|R|R| Reserved | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | VXLAN Network Identifier (VNI) | Reserved | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ void -vxlan_print(const u_char *bp, u_int len) +vxlan_print(netdissect_options *ndo, const u_char *bp, u_int len) { - u_int8_t flags; - u_int32_t vni; - + uint8_t flags; + uint32_t vni; + if (len < 8) { - printf("[|VXLAN]"); + ND_PRINT((ndo, "[|VXLAN]")); return; } @@ -57,18 +53,9 @@ vxlan_print(const u_char *bp, u_int len) vni = EXTRACT_24BITS(bp); bp += 4; - printf("VXLAN, "); - - fputs("flags [", stdout); - if (flags & 0x08) - fputs("I", stdout); - else - fputs(".", stdout); - fputs("] ", stdout); - - printf("(0x%02x), ", flags); - printf("vni %u\n", vni); + ND_PRINT((ndo, "VXLAN, ")); + ND_PRINT((ndo, "flags [%s] (0x%02x), ", flags & 0x08 ? "I" : ".", flags)); + ND_PRINT((ndo, "vni %u\n", vni)); - ether_print(gndo, bp, len - 8, len - 8, NULL, NULL); - return; + ether_print(ndo, bp, len - 8, len - 8, NULL, NULL); }