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Add functions to join/leave v6 multicast group by netif

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Existing functions are based on IP address, but the address is used
only to look up which netif to act on. The netif-based core code is
extracted to new exported functions.

If you have a netif handle, this makes it easier to join/leave
groups, without the need to convert to IP address first only for the
mld6 code to convert back to netif.
This commit is contained in:
Erik Ekman
2015-09-30 09:55:18 +02:00
committed by goldsimon
parent 3dd0977635
commit 6cdea62638
2 changed files with 99 additions and 58 deletions
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2
src/include/lwip/mld6.h
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@@ -105,7 +105,9 @@ void mld6_tmr(void);
struct mld_group *mld6_lookfor_group(struct netif *ifp, const ip6_addr_t *addr);
void mld6_input(struct pbuf *p, struct netif *inp);
err_t mld6_joingroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr);
err_t mld6_joingroup_netif(struct netif *netif, const ip6_addr_t *groupaddr);
err_t mld6_leavegroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr);
err_t mld6_leavegroup_netif(struct netif *netif, const ip6_addr_t *groupaddr);
#ifdef __cplusplus