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passt: With -DDEBUG, also print protocol number for unsupported protocols

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...otherwise, we have no idea what's going on if we receive something
unexpected.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-05-21 11:14:46 +02:00
parent 7e3e36b2c2
commit 8754878fbf
1 changed files with 5 additions and 5 deletions
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passt.c
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@ -407,8 +407,8 @@ static int tap4_handler(struct ctx *c, struct tap_msg *msg, size_t count,
if (msg[0].len < sizeof(*uh)) if (msg[0].len < sizeof(*uh))
return 1; return 1;
debug("%s from tap: %s:%i -> %s:%i (%i packet%s)", debug("%s (%i) from tap: %s:%i -> %s:%i (%i packet%s)",
IP_PROTO_STR(iph->protocol), IP_PROTO_STR(iph->protocol), iph->protocol,
inet_ntop(AF_INET, &iph->saddr, buf_s, sizeof(buf_s)), inet_ntop(AF_INET, &iph->saddr, buf_s, sizeof(buf_s)),
ntohs(uh->source), ntohs(uh->source),
inet_ntop(AF_INET, &iph->daddr, buf_d, sizeof(buf_d)), inet_ntop(AF_INET, &iph->daddr, buf_d, sizeof(buf_d)),
@ -526,8 +526,8 @@ static int tap6_handler(struct ctx *c, struct tap_msg *msg, size_t count,
if (msg[0].len < sizeof(*uh)) if (msg[0].len < sizeof(*uh))
return 1; return 1;
debug("%s from tap: [%s]:%i\n\t-> [%s]:%i (%i packet%s)", debug("%s (%i) from tap: [%s]:%i\n\t-> [%s]:%i (%i packet%s)",
IP_PROTO_STR(proto), IP_PROTO_STR(proto), proto,
inet_ntop(AF_INET6, &ip6h->saddr, buf_s, sizeof(buf_s)), inet_ntop(AF_INET6, &ip6h->saddr, buf_s, sizeof(buf_s)),
ntohs(uh->source), ntohs(uh->source),
inet_ntop(AF_INET6, &ip6h->daddr, buf_d, sizeof(buf_d)), inet_ntop(AF_INET6, &ip6h->daddr, buf_d, sizeof(buf_d)),
@ -672,7 +672,7 @@ static void sock_handler(struct ctx *c, int s, uint32_t events,
return; return;
} }
debug("%s: packet from socket %i", IP_PROTO_STR(proto), s); debug("%s (%i): packet from socket %i", IP_PROTO_STR(proto), proto, s);
if (proto == IPPROTO_ICMP || proto == IPPROTO_ICMPV6) if (proto == IPPROTO_ICMP || proto == IPPROTO_ICMPV6)
icmp_sock_handler(c, s, events, pkt_buf, now); icmp_sock_handler(c, s, events, pkt_buf, now);