scratch/lwip
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

New configuration option LWIP_IGMP to enable IGMP processing. Based on only one filter per all network interfaces. Declare a new function in netif to enable to control the MAC filter (to reduce lwIP traffic processing).

Browse Source 
Mace Gael for the upper layers, Steve Reynolds for lower ones...
This commit is contained in:
fbernon
2007-03-11 19:16:38 +00:00
parent bc4b3764fc
commit a24a170b84
11 changed files with 218 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/api/sockets.c
View File

@@ -39,7 +39,7 @@
#include "lwip/api.h"
#include "lwip/arch.h"
#include "lwip/sys.h"
#include "lwip/igmp.h"
#include "lwip/sockets.h"
#define NUM_SOCKETS MEMP_NUM_NETCONN
@@ -1237,6 +1237,21 @@ int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_
err = EINVAL;
}
break;
#if LWIP_IGMP
case IP_MULTICAST_TTL:
{ if(( optlen != sizeof(char) ) && ( optlen != sizeof(int) )) //NOTE, some BSD implementation use "int", some others "char"
{ err = EINVAL;
}
break;
}
case IP_ADD_MEMBERSHIP:
case IP_DROP_MEMBERSHIP:
{ if( optlen < sizeof(struct ip_mreq) )
{ err = EINVAL;
}
break;
}
#endif /* LWIP_IGMP */
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n", s, optname));
err = ENOPROTOOPT;
@@ -1328,6 +1343,27 @@ int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_
sock->conn->pcb.tcp->tos = (u8_t)(*(int*)optval);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TOS, ..)-> %u\n", s, sock->conn->pcb.tcp->tos));
break;
#if LWIP_IGMP
case IP_MULTICAST_TTL:
{ if (optlen==sizeof(int)) sock->conn->pcb.tcp->ttl = (u8_t)(*(int*) optval);
if (optlen==sizeof(u8_t)) sock->conn->pcb.tcp->ttl = (u8_t)(*(u8_t*)optval);
break;
}
case IP_ADD_MEMBERSHIP:
case IP_DROP_MEMBERSHIP:
{ /* If this is a TCP or a RAW socket, ignore these options. */
if ((sock->conn->type == NETCONN_TCP) || (sock->conn->type == NETCONN_RAW))
{ err = EAFNOSUPPORT;
}
else
{ struct ip_mreq *imr = (struct ip_mreq *)optval;
if (netconn_join_leave_group( sock->conn, (struct ip_addr *)&(imr->imr_multiaddr.s_addr), (struct ip_addr *)&(imr->imr_interface.s_addr), ((optname==IP_ADD_MEMBERSHIP)?NETCONN_JOIN:NETCONN_LEAVE)) < 0)
{ err = EADDRNOTAVAIL;
}
}
break;
}
#endif /* LWIP_IGMP */
} /* switch */
break;