Add IGMP user interface

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2786 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 8 insertions, 4 deletions

diff --git a/nuttx/net/uip/uip_igmpjoin.c b/nuttx/net/uip/uip_igmpjoin.c
index b644cad10..cf37ea1c0 100755
--- a/nuttx/net/uip/uip_igmpjoin.c
+++ b/nuttx/net/uip/uip_igmpjoin.c
@@ -120,19 +120,21 @@
  *

  ****************************************************************************/

 

-void igmp_joingroup(struct uip_driver_s *dev, uip_ipaddr_t *grpaddr)

+int igmp_joingroup(struct uip_driver_s *dev, FAR const struct in_addr *grpaddr)

 {

   struct igmp_group_s *group;

 

+  DEBUGASSERT(dev && grpaddr);

+

   /* Check if a this address is already in the group */

  

-  group = uip_grpfind(dev, grpaddr);

+  group = uip_grpfind(dev, &grpaddr->s_addr);

   if (!group)

     {

        /* No... allocate a new entry */

  

        nvdbg("Join to new group\n");

-       group = uip_grpalloc(dev, grpaddr);

+       group = uip_grpalloc(dev, &grpaddr->s_addr);

        IGMP_STATINCR(uip_stat.igmp.joins);

 

        /* Send the Membership Report */

@@ -146,8 +148,10 @@ void igmp_joingroup(struct uip_driver_s *dev, uip_ipaddr_t *grpaddr)
 

        /* Add the group (MAC) address to the ether drivers MAC filter list */

 

-       uip_addmcastmac(dev, grpaddr);

+       uip_addmcastmac(dev, &grpaddr->s_addr);

+       return OK;

     }

+  return -EEXIST;

 }

 

 #endif /* CONFIG_NET_IGMP */