diff options
author | 2016-06-03 03:33:22 +0000 | |
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committer | 2016-06-03 03:33:23 +0000 | |
commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/slirp/ip6_input.c | |
parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
parent | 437fd90c0250dee670290f9b714253671a990160 (diff) |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/slirp/ip6_input.c')
-rw-r--r-- | qemu/slirp/ip6_input.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/qemu/slirp/ip6_input.c b/qemu/slirp/ip6_input.c new file mode 100644 index 000000000..ac2e3ea88 --- /dev/null +++ b/qemu/slirp/ip6_input.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2013 + * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne. + */ + +#include "qemu/osdep.h" +#include "slirp.h" +#include "ip6_icmp.h" + +/* + * IP initialization: fill in IP protocol switch table. + * All protocols not implemented in kernel go to raw IP protocol handler. + */ +void ip6_init(Slirp *slirp) +{ + icmp6_init(slirp); +} + +void ip6_cleanup(Slirp *slirp) +{ + icmp6_cleanup(slirp); +} + +void ip6_input(struct mbuf *m) +{ + struct ip6 *ip6; + Slirp *slirp = m->slirp; + + if (!slirp->in6_enabled) { + goto bad; + } + + DEBUG_CALL("ip6_input"); + DEBUG_ARG("m = %lx", (long)m); + DEBUG_ARG("m_len = %d", m->m_len); + + if (m->m_len < sizeof(struct ip6)) { + goto bad; + } + + ip6 = mtod(m, struct ip6 *); + + if (ip6->ip_v != IP6VERSION) { + goto bad; + } + + if (ntohs(ip6->ip_pl) > IF_MTU) { + icmp6_send_error(m, ICMP6_TOOBIG, 0); + goto bad; + } + + /* check ip_ttl for a correct ICMP reply */ + if (ip6->ip_hl == 0) { + icmp6_send_error(m, ICMP6_TIMXCEED, ICMP6_TIMXCEED_INTRANS); + goto bad; + } + + /* + * Switch out to protocol's input routine. + */ + switch (ip6->ip_nh) { + case IPPROTO_TCP: + NTOHS(ip6->ip_pl); + tcp_input(m, sizeof(struct ip6), (struct socket *)NULL, AF_INET6); + break; + case IPPROTO_UDP: + udp6_input(m); + break; + case IPPROTO_ICMPV6: + icmp6_input(m); + break; + default: + m_free(m); + } + return; +bad: + m_free(m); +} |