diff options
| author | Yann Bordenave <meow@meowstars.org> | 2016-03-15 10:31:19 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-03-15 10:35:04 +0100 |
| commit | fc6c9257c6dd47316a1c55d356bcd89bdc5fd642 (patch) | |
| tree | a3a46ef4bd2c113b7a90167c7b41b6dd1c81a02c /slirp/ip6_icmp.h | |
| parent | de40abfecfe17f79870a66acfc1f87a53fc066ca (diff) | |
slirp: Adding ICMPv6 error sending
Adding icmp6_send_error to send ICMPv6 Error messages. This function is
simpler than the v4 version.
Adding some calls in various functions to send ICMP errors, when a
received packet is too big, or when its hop limit is 0.
Signed-off-by: Yann Bordenave <meow@meowstars.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'slirp/ip6_icmp.h')
| -rw-r--r-- | slirp/ip6_icmp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/slirp/ip6_icmp.h b/slirp/ip6_icmp.h index b2c40d6c96..9460bf837a 100644 --- a/slirp/ip6_icmp.h +++ b/slirp/ip6_icmp.h @@ -19,6 +19,12 @@ struct icmp6_echo { /* Echo Messages */ uint16_t seq_num; }; +union icmp6_error_body { + uint32_t unused; + uint32_t pointer; + uint32_t mtu; +}; + /* * NDP Messages */ @@ -82,6 +88,7 @@ struct icmp6 { uint8_t icmp6_code; /* type sub code */ uint16_t icmp6_cksum; /* ones complement cksum of struct */ union { + union icmp6_error_body error_body; struct icmp6_echo echo; struct ndp_rs ndp_rs; struct ndp_ra ndp_ra; @@ -89,6 +96,7 @@ struct icmp6 { struct ndp_na ndp_na; struct ndp_redirect ndp_redirect; } icmp6_body; +#define icmp6_err icmp6_body.error_body #define icmp6_echo icmp6_body.echo #define icmp6_nrs icmp6_body.ndp_rs #define icmp6_nra icmp6_body.ndp_ra @@ -98,6 +106,7 @@ struct icmp6 { } QEMU_PACKED; #define ICMP6_MINLEN 4 +#define ICMP6_ERROR_MINLEN 8 #define ICMP6_ECHO_MINLEN 8 #define ICMP6_NDP_RS_MINLEN 8 #define ICMP6_NDP_RA_MINLEN 16 @@ -197,6 +206,7 @@ struct ndpopt { void icmp6_init(Slirp *slirp); void icmp6_cleanup(Slirp *slirp); void icmp6_input(struct mbuf *); +void icmp6_send_error(struct mbuf *m, uint8_t type, uint8_t code); void ndp_send_ra(Slirp *slirp); void ndp_send_ns(Slirp *slirp, struct in6_addr addr); |