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Fix semantic of UIP_ND6_SEND_NA and add UIP_ND6_SEND_NS

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This commit is contained in:
Laurent Deru 2017-01-16 13:44:15 +01:00
parent c1f11cfaa9
commit 12c930893c
19 changed files with 75 additions and 61 deletions
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31
core/net/ipv6/uip-nd6.c
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@ -116,13 +116,16 @@ void uip_log(char *msg);
#define UIP_ND6_OPT_RDNSS_BUF ((uip_nd6_opt_dns *)&uip_buf[uip_l2_l3_icmp_hdr_len + nd6_opt_offset])
/** @} */
#if UIP_ND6_SEND_NA || UIP_ND6_SEND_RA || !UIP_CONF_ROUTER
#if UIP_ND6_SEND_NS || UIP_ND6_SEND_NA || UIP_ND6_SEND_RA || !UIP_CONF_ROUTER
static uint8_t nd6_opt_offset; /** Offset from the end of the icmpv6 header to the option in uip_buf*/
static uint8_t *nd6_opt_llao; /** Pointer to llao option in uip_buf */
static uip_ds6_nbr_t *nbr; /** Pointer to a nbr cache entry*/
static uip_ds6_defrt_t *defrt; /** Pointer to a router list entry */
static uip_ds6_addr_t *addr; /** Pointer to an interface address */
#endif /* UIP_ND6_SEND_NA || UIP_ND6_SEND_RA || !UIP_CONF_ROUTER */
#endif /* UIP_ND6_SEND_NS || UIP_ND6_SEND_NA || UIP_ND6_SEND_RA || !UIP_CONF_ROUTER */
#if UIP_ND6_SEND_NS || UIP_ND6_SEND_RA || !UIP_CONF_ROUTER
static uip_ds6_defrt_t *defrt; /** Pointer to a router list entry */
#endif /* UIP_ND6_SEND_NS || UIP_ND6_SEND_RA || !UIP_CONF_ROUTER */
#if !UIP_CONF_ROUTER // TBD see if we move it to ra_input
static uip_nd6_opt_prefix_info *nd6_opt_prefix_info; /** Pointer to prefix information option in uip_buf */
@ -366,6 +369,7 @@ discard:
/*------------------------------------------------------------------*/
#if UIP_ND6_SEND_NS
void
uip_nd6_ns_output(uip_ipaddr_t * src, uip_ipaddr_t * dest, uip_ipaddr_t * tgt)
{
@ -428,7 +432,9 @@ uip_nd6_ns_output(uip_ipaddr_t * src, uip_ipaddr_t * dest, uip_ipaddr_t * tgt)
PRINTF("\n");
return;
}
#if UIP_ND6_SEND_NA
#endif /* UIP_ND6_SEND_NS */
#if UIP_ND6_SEND_NS
/*------------------------------------------------------------------*/
/**
* Neighbor Advertisement Processing
@ -603,7 +609,7 @@ discard:
uip_clear_buf();
return;
}
#endif /* UIP_ND6_SEND_NA */
#endif /* UIP_ND6_SEND_NS */
#if UIP_CONF_ROUTER
#if UIP_ND6_SEND_RA
@ -1097,6 +1103,8 @@ discard:
#if UIP_ND6_SEND_NA
UIP_ICMP6_HANDLER(ns_input_handler, ICMP6_NS, UIP_ICMP6_HANDLER_CODE_ANY,
ns_input);
#endif
#if UIP_ND6_SEND_NS
UIP_ICMP6_HANDLER(na_input_handler, ICMP6_NA, UIP_ICMP6_HANDLER_CODE_ANY,
na_input);
#endif
@ -1114,19 +1122,16 @@ UIP_ICMP6_HANDLER(ra_input_handler, ICMP6_RA, UIP_ICMP6_HANDLER_CODE_ANY,
void
uip_nd6_init()
{
#if UIP_ND6_SEND_NA
/* Only handle NSs if we are prepared to send out NAs */
uip_icmp6_register_input_handler(&ns_input_handler);
/*
* Only handle NAs if we are prepared to send out NAs.
* This is perhaps logically incorrect, but this condition was present in
* uip_process and we keep it until proven wrong
*/
uip_icmp6_register_input_handler(&na_input_handler);
#endif
#if UIP_ND6_SEND_NS
/*
* Only handle NAs if we are prepared to send out NSs. */
uip_icmp6_register_input_handler(&na_input_handler);
#endif
#if UIP_CONF_ROUTER && UIP_ND6_SEND_RA
/* Only accept RS if we are a router and happy to send out RAs */