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Neighbor Solicitation Processing (ns_input)

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In the newest version of contiki, the function uip_nd6_ns_input() is obsolete.
ns_input function is defined static to be restrictively used in uip-nd6.c file, so removing the obsolete function requires moving the function description to the new function
This commit is contained in:
Mohamed Seliem 2016-09-12 20:45:46 +02:00 committed by Mohamed seliem
parent 675d9325b9
commit f6795b4972
2 changed files with 21 additions and 25 deletions
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22
core/net/ipv6/uip-nd6.c
View File

@ -157,7 +157,27 @@ create_llao(uint8_t *llao, uint8_t type) {
}
/*------------------------------------------------------------------*/
/**
* Neighbor Solicitation Processing
*
* The NS can be received in 3 cases (procedures):
* - sender is performing DAD (ip src = unspecified, no SLLAO option)
* - sender is performing NUD (ip dst = unicast)
* - sender is performing address resolution (ip dest = solicited node mcast
* address)
*
* We do:
* - if the tgt belongs to me, reply, otherwise ignore
* - if i was performing DAD for the same address, two cases:
* -- I already sent a NS, hence I win
* -- I did not send a NS yet, hence I lose
*
* If we need to send a NA in response (i.e. the NS was done for NUD, or
* address resolution, or DAD and there is a conflict), we do it in this
* function: set src, dst, tgt address in the three cases, then for all cases
* set the rest, including SLLAO
*
*/
#if UIP_ND6_SEND_NA
static void
ns_input(void)

24
core/net/ipv6/uip-nd6.h
View File

@ -335,30 +335,6 @@ typedef struct uip_nd6_opt_redirected_hdr {
* \name ND Messages Processing and Generation
* @{
*/
/**
* \brief Process a neighbor solicitation
*
* The NS can be received in 3 cases (procedures):
* - sender is performing DAD (ip src = unspecified, no SLLAO option)
* - sender is performing NUD (ip dst = unicast)
* - sender is performing address resolution (ip dest = solicited node mcast
* address)
*
* We do:
* - if the tgt belongs to me, reply, otherwise ignore
* - if i was performing DAD for the same address, two cases:
* -- I already sent a NS, hence I win
* -- I did not send a NS yet, hence I lose
*
* If we need to send a NA in response (i.e. the NS was done for NUD, or
* address resolution, or DAD and there is a conflict), we do it in this
* function: set src, dst, tgt address in the three cases, then for all cases
* set the rest, including SLLAO
*
*/
void
uip_nd6_ns_input(void);
/**
* \brief Send a neighbor solicitation, send a Neighbor Advertisement
* \param src pointer to the src of the NS if known