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Nest: SADR support for Direct

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This commit is contained in:
Ondrej Zajicek (work) 2018-03-18 02:56:51 +01:00
parent 159d619caf
commit 364d5823ea
2 changed files with 36 additions and 8 deletions
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41
nest/rt-dev.c
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@ -31,6 +31,7 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad)
struct rt_dev_proto *p = (void *) P; struct rt_dev_proto *p = (void *) P;
struct rt_dev_config *cf = (void *) P->cf; struct rt_dev_config *cf = (void *) P->cf;
struct channel *c; struct channel *c;
net_addr *net = &ad->prefix;
if (!EMPTY_LIST(cf->iface_list) && if (!EMPTY_LIST(cf->iface_list) &&
!iface_patt_find(&cf->iface_list, ad->iface, ad)) !iface_patt_find(&cf->iface_list, ad->iface, ad))
@ -53,13 +54,20 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad)
if (!c) if (!c)
return; return;
/* For IPv6 SADR, replace regular prefix with SADR prefix */
if (c->net_type == NET_IP6_SADR)
{
net = alloca(sizeof(net_addr_ip6_sadr));
net_fill_ip6_sadr(net, net6_prefix(&ad->prefix), net6_pxlen(&ad->prefix), IP6_NONE, 0);
}
if (flags & IF_CHANGE_DOWN) if (flags & IF_CHANGE_DOWN)
{ {
DBG("dev_if_notify: %s:%I going down\n", ad->iface->name, ad->ip); DBG("dev_if_notify: %s:%I going down\n", ad->iface->name, ad->ip);
/* Use iface ID as local source ID */ /* Use iface ID as local source ID */
struct rte_src *src = rt_get_source(P, ad->iface->index); struct rte_src *src = rt_get_source(P, ad->iface->index);
rte_update2(c, &ad->prefix, NULL, src); rte_update2(c, net, NULL, src);
} }
else if (flags & IF_CHANGE_UP) else if (flags & IF_CHANGE_UP)
{ {
@ -85,7 +93,7 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad)
a = rta_lookup(&a0); a = rta_lookup(&a0);
e = rte_get_temp(a); e = rte_get_temp(a);
e->pflags = 0; e->pflags = 0;
rte_update2(c, &ad->prefix, e, src); rte_update2(c, net, e, src);
} }
} }
@ -107,16 +115,32 @@ dev_if_notify(struct proto *p, uint c, struct iface *iface)
} }
} }
static void
dev_postconfig(struct proto_config *CF)
{
struct rt_dev_config *cf = (void *) CF;
struct channel_config *ip4, *ip6, *ip6_sadr;
ip4 = proto_cf_find_channel(CF, NET_IP4);
ip6 = proto_cf_find_channel(CF, NET_IP6);
ip6_sadr = proto_cf_find_channel(CF, NET_IP6_SADR);
if (ip6 && ip6_sadr)
cf_error("Both ipv6 and ipv6-sadr channels");
cf->ip4_channel = ip4;
cf->ip6_channel = ip6 ?: ip6_sadr;
}
static struct proto * static struct proto *
dev_init(struct proto_config *CF) dev_init(struct proto_config *CF)
{ {
struct proto *P = proto_new(CF); struct proto *P = proto_new(CF);
struct rt_dev_proto *p = (void *) P; struct rt_dev_proto *p = (void *) P;
// struct rt_dev_config *cf = (void *) CF; struct rt_dev_config *cf = (void *) CF;
proto_configure_channel(P, &p->ip4_channel, proto_cf_find_channel(CF, NET_IP4)); proto_configure_channel(P, &p->ip4_channel, cf->ip4_channel);
proto_configure_channel(P, &p->ip6_channel, proto_cf_find_channel(CF, NET_IP6)); proto_configure_channel(P, &p->ip6_channel, cf->ip6_channel);
P->if_notify = dev_if_notify; P->if_notify = dev_if_notify;
P->ifa_notify = dev_ifa_notify; P->ifa_notify = dev_ifa_notify;
@ -136,8 +160,8 @@ dev_reconfigure(struct proto *P, struct proto_config *CF)
return 0; return 0;
return return
proto_configure_channel(P, &p->ip4_channel, proto_cf_find_channel(CF, NET_IP4)) && proto_configure_channel(P, &p->ip4_channel, n->ip4_channel) &&
proto_configure_channel(P, &p->ip6_channel, proto_cf_find_channel(CF, NET_IP6)); proto_configure_channel(P, &p->ip6_channel, n->ip6_channel);
return 1; return 1;
} }
@ -162,9 +186,10 @@ struct protocol proto_device = {
.name = "Direct", .name = "Direct",
.template = "direct%d", .template = "direct%d",
.preference = DEF_PREF_DIRECT, .preference = DEF_PREF_DIRECT,
.channel_mask = NB_IP, .channel_mask = NB_IP | NB_IP6_SADR,
.proto_size = sizeof(struct rt_dev_proto), .proto_size = sizeof(struct rt_dev_proto),
.config_size = sizeof(struct rt_dev_config), .config_size = sizeof(struct rt_dev_config),
.postconfig = dev_postconfig,
.init = dev_init, .init = dev_init,
.reconfigure = dev_reconfigure, .reconfigure = dev_reconfigure,
.copy_config = dev_copy_config .copy_config = dev_copy_config

3
nest/rt-dev.h
View file

@ -13,6 +13,9 @@ struct rt_dev_config {
struct proto_config c; struct proto_config c;
list iface_list; /* list of struct iface_patt */ list iface_list; /* list of struct iface_patt */
int check_link; int check_link;
struct channel_config *ip4_channel;
struct channel_config *ip6_channel;
}; };
struct rt_dev_proto { struct rt_dev_proto {