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Diffstat (limited to 'sysdep/linux/netlink.c')
-rw-r--r--sysdep/linux/netlink.c57
1 files changed, 29 insertions, 28 deletions
diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c
index 4cfd7c80..d802d3e0 100644
--- a/sysdep/linux/netlink.c
+++ b/sysdep/linux/netlink.c
@@ -110,7 +110,7 @@ struct nl_parse_state
int scan;
int merge;
- net *net;
+ net_addr *net;
ea_list *attrs;
struct krt_proto *proto;
s8 new;
@@ -1437,10 +1437,9 @@ nh_bufsize(struct nexthop_adata *nhad)
}
static int
-nl_send_route(struct krt_proto *p, rte *e, int op, int dest, struct nexthop_adata *nh)
+nl_send_route(struct krt_proto *p, const rte *e, int op, int dest, struct nexthop_adata *nh)
{
eattr *ea;
- net *net = e->net;
ea_list *eattrs = e->attrs;
int bufsize = 128 + KRT_METRICS_MAX*8 + (nh ? nh_bufsize(nh) : 0);
@@ -1455,7 +1454,7 @@ nl_send_route(struct krt_proto *p, rte *e, int op, int dest, struct nexthop_adat
int rsize = sizeof(*r) + bufsize;
r = alloca(rsize);
- DBG("nl_send_route(%N,op=%x)\n", net->n.addr, op);
+ DBG("nl_send_route(%N,op=%x)\n", e->net, op);
bzero(&r->h, sizeof(r->h));
bzero(&r->r, sizeof(r->r));
@@ -1464,7 +1463,7 @@ nl_send_route(struct krt_proto *p, rte *e, int op, int dest, struct nexthop_adat
r->h.nlmsg_flags = op | NLM_F_REQUEST | NLM_F_ACK;
r->r.rtm_family = p->af;
- r->r.rtm_dst_len = net_pxlen(net->n.addr);
+ r->r.rtm_dst_len = net_pxlen(e->net);
r->r.rtm_protocol = RTPROT_BIRD;
r->r.rtm_scope = RT_SCOPE_NOWHERE;
#ifdef HAVE_MPLS_KERNEL
@@ -1476,7 +1475,7 @@ nl_send_route(struct krt_proto *p, rte *e, int op, int dest, struct nexthop_adat
* 2) Never use RTA_PRIORITY
*/
- u32 label = net_mpls(net->n.addr);
+ u32 label = net_mpls(e->net);
nl_add_attr_mpls(&r->h, rsize, RTA_DST, 1, &label);
r->r.rtm_scope = RT_SCOPE_UNIVERSE;
r->r.rtm_type = RTN_UNICAST;
@@ -1484,12 +1483,12 @@ nl_send_route(struct krt_proto *p, rte *e, int op, int dest, struct nexthop_adat
else
#endif
{
- nl_add_attr_ipa(&r->h, rsize, RTA_DST, net_prefix(net->n.addr));
+ nl_add_attr_ipa(&r->h, rsize, RTA_DST, net_prefix(e->net));
/* Add source address for IPv6 SADR routes */
- if (net->n.addr->type == NET_IP6_SADR)
+ if (e->net->type == NET_IP6_SADR)
{
- net_addr_ip6_sadr *a = (void *) &net->n.addr;
+ net_addr_ip6_sadr *a = (void *) &e->net;
nl_add_attr_ip6(&r->h, rsize, RTA_SRC, a->src_prefix);
r->r.rtm_src_len = a->src_pxlen;
}
@@ -1625,7 +1624,7 @@ nl_add_rte(struct krt_proto *p, rte *e)
}
static inline int
-nl_delete_rte(struct krt_proto *p, rte *e)
+nl_delete_rte(struct krt_proto *p, const rte *e)
{
int err = 0;
@@ -1648,7 +1647,7 @@ nl_replace_rte(struct krt_proto *p, rte *e)
void
-krt_replace_rte(struct krt_proto *p, net *n UNUSED, rte *new, rte *old)
+krt_replace_rte(struct krt_proto *p, const net_addr *n UNUSED, rte *new, const rte *old)
{
int err = 0;
@@ -1687,7 +1686,7 @@ krt_replace_rte(struct krt_proto *p, net *n UNUSED, rte *new, rte *old)
}
static int
-nl_mergable_route(struct nl_parse_state *s, net *net, struct krt_proto *p, uint priority, uint krt_type, uint rtm_family)
+nl_mergable_route(struct nl_parse_state *s, const net_addr *net, struct krt_proto *p, uint priority, uint krt_type, uint rtm_family)
{
/* Route merging is used for IPv6 scans */
if (!s->scan || (rtm_family != AF_INET6))
@@ -1707,23 +1706,25 @@ nl_mergable_route(struct nl_parse_state *s, net *net, struct krt_proto *p, uint
static void
nl_announce_route(struct nl_parse_state *s)
{
- rte *e = rte_get_temp(s->attrs, s->proto->p.main_source);
- e->net = s->net;
+ rte e0 = {
+ .attrs = s->attrs,
+ .net = s->net,
+ };
EA_LOCAL_LIST(2) ea = {
- .l = { .count = 2, .next = e->attrs },
+ .l = { .count = 2, .next = e0.attrs },
.a = {
EA_LITERAL_EMBEDDED(&ea_krt_source, 0, s->krt_proto),
EA_LITERAL_EMBEDDED(&ea_krt_metric, 0, s->krt_metric),
},
};
- e->attrs = &ea.l;
+ e0.attrs = &ea.l;
if (s->scan)
- krt_got_route(s->proto, e, s->krt_src);
+ krt_got_route(s->proto, &e0, s->krt_src);
else
- krt_got_route_async(s->proto, e, s->new, s->krt_src);
+ krt_got_route_async(s->proto, &e0, s->new, s->krt_src);
s->net = NULL;
s->attrs = NULL;
@@ -1873,16 +1874,14 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h)
krt_src = KRT_SRC_ALIEN;
}
- net_addr *n = &dst;
+ net_addr *net = &dst;
if (p->p.net_type == NET_IP6_SADR)
{
- n = alloca(sizeof(net_addr_ip6_sadr));
- net_fill_ip6_sadr(n, net6_prefix(&dst), net6_pxlen(&dst),
+ net = alloca(sizeof(net_addr_ip6_sadr));
+ net_fill_ip6_sadr(net, net6_prefix(&dst), net6_pxlen(&dst),
net6_prefix(&src), net6_pxlen(&src));
}
- net *net = net_get(p->p.main_channel->table, n);
-
if (s->net && !nl_mergable_route(s, net, p, priority, i->rtm_type, i->rtm_family))
nl_announce_route(s);
@@ -1908,7 +1907,7 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h)
case RTN_UNICAST:
if (a[RTA_MULTIPATH])
{
- struct nexthop_adata *nh = nl_parse_multipath(s, p, n, a[RTA_MULTIPATH], i->rtm_family, krt_src);
+ struct nexthop_adata *nh = nl_parse_multipath(s, p, net, a[RTA_MULTIPATH], i->rtm_family, krt_src);
if (!nh)
SKIP("strange RTA_MULTIPATH\n");
@@ -1923,7 +1922,7 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h)
nhad.nh.iface = if_find_by_index(oif);
if (!nhad.nh.iface)
{
- log(L_ERR "KRT: Received route %N with unknown ifindex %u", net->n.addr, oif);
+ log(L_ERR "KRT: Received route %N with unknown ifindex %u", net, oif);
return;
}
@@ -1950,7 +1949,7 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h)
(nhad.nh.flags & RNF_ONLINK) ? NEF_ONLINK : 0);
if (!nbr || (nbr->scope == SCOPE_HOST))
{
- log(L_ERR "KRT: Received route %N with strange next-hop %I", net->n.addr,
+ log(L_ERR "KRT: Received route %N with strange next-hop %I", net,
nhad.nh.gw);
return;
}
@@ -2019,7 +2018,7 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h)
u32 metrics[KRT_METRICS_MAX];
if (nl_parse_metrics(a[RTA_METRICS], metrics, ARRAY_SIZE(metrics)) < 0)
{
- log(L_ERR "KRT: Received route %N with strange RTA_METRICS attribute", net->n.addr);
+ log(L_ERR "KRT: Received route %N with strange RTA_METRICS attribute", net);
return;
}
@@ -2040,7 +2039,9 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h)
if (!s->net)
{
/* Store the new route */
- s->net = net;
+ s->net = lp_alloc(s->pool, net->length);
+ net_copy(s->net, net);
+
s->attrs = ra;
ea_set_attr_data(&ra, &ea_gen_nexthop, 0,
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 08:51:42 +0000