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Add two new netgraph messages NGM_ETHER_ADD_MULTI and NGM_ETHER_DEL_MULTI,

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to join and leave Ethernet multicast membership, respectively. Messages
take MAC address as argument.

Sponsored by:	Rinet ISP
This commit is contained in:
Gleb Smirnoff 2005-02-12 11:41:32 +00:00
parent 953a8b2e6d
commit 810d5e89f4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=141721
2 changed files with 59 additions and 2 deletions
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56
sys/netgraph/ng_ether.c
View File

@ -57,6 +57,7 @@
#include <net/bridge.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_arp.h>
#include <net/if_var.h>
@ -171,6 +172,20 @@ static const struct ng_cmdlist ng_ether_cmdlist[] = {
&ng_parse_int32_type,
NULL
},
{
NGM_ETHER_COOKIE,
NGM_ETHER_ADD_MULTI,
"addmulti",
&ng_parse_enaddr_type,
NULL
},
{
NGM_ETHER_COOKIE,
NGM_ETHER_DEL_MULTI,
"delmulti",
&ng_parse_enaddr_type,
NULL
},
{ 0 }
};
@ -492,6 +507,47 @@ ng_ether_rcvmsg(node_p node, item_p item, hook_p lasthook)
}
priv->autoSrcAddr = !!*((u_int32_t *)msg->data);
break;
case NGM_ETHER_ADD_MULTI:
{
struct sockaddr_dl sa_dl;
struct ifmultiaddr *ifm;
if (msg->header.arglen != ETHER_ADDR_LEN) {
error = EINVAL;
break;
}
sa_dl.sdl_len = sizeof(struct sockaddr_dl);
sa_dl.sdl_family = AF_LINK;
sa_dl.sdl_index = 0;
sa_dl.sdl_nlen = 0;
sa_dl.sdl_alen = 6;
sa_dl.sdl_slen = 0;
bcopy((void *)msg->data, LLADDR(&sa_dl),
ETHER_ADDR_LEN);
error = if_addmulti(priv->ifp,
(struct sockaddr *)&sa_dl, &ifm);
break;
}
case NGM_ETHER_DEL_MULTI:
{
struct sockaddr_dl sa_dl;
if (msg->header.arglen != ETHER_ADDR_LEN) {
error = EINVAL;
break;
}
sa_dl.sdl_len = sizeof(struct sockaddr_dl);
sa_dl.sdl_family = AF_LINK;
sa_dl.sdl_index = 0;
sa_dl.sdl_nlen = 0;
sa_dl.sdl_alen = 6;
sa_dl.sdl_slen = 0;
bcopy((void *)msg->data, LLADDR(&sa_dl),
ETHER_ADDR_LEN);
error = if_delmulti(priv->ifp,
(struct sockaddr *)&sa_dl);
break;
}
default:
error = EINVAL;
break;

5
sys/netgraph/ng_ether.h
View File

@ -47,7 +47,7 @@
/* Node type name and magic cookie */
#define NG_ETHER_NODE_TYPE "ether"
#define NGM_ETHER_COOKIE 917786906
#define NGM_ETHER_COOKIE 1108206947
/* Hook names */
#define NG_ETHER_HOOK_LOWER "lower" /* connection to raw device */
@ -65,7 +65,8 @@ enum {
NGM_ETHER_SET_PROMISC, /* enable/disable promiscuous mode */
NGM_ETHER_GET_AUTOSRC, /* get source address override */
NGM_ETHER_SET_AUTOSRC, /* enable/disable src addr override */
NGM_ETHER_ADD_MULTI, /* add multicast membership */
NGM_ETHER_DEL_MULTI, /* delete multicast membership */
};
#endif /* _NETGRAPH_NG_ETHER_H_ */