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Merge branch 'cmaster' of ssh://stash.cumulusnetworks.com:7999/quag/quagga into cmaster

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This commit is contained in:
Donald Sharp 2015-12-09 04:26:55 -08:00
commit 451e7cd49e
5 changed files with 106 additions and 67 deletions
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31
zebra/connected.c
View File

@ -215,9 +215,9 @@ connected_up_ipv4 (struct interface *ifp, struct connected *ifc)
ifp->vrf_id, RT_TABLE_MAIN, ifp->metric, 0, SAFI_MULTICAST);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
rib_update (ifp->vrf_id);
zlog_debug ("%u: IF %s IPv4 address add/up, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
/* Add connected IPv4 route to the interface. */
@ -334,9 +334,10 @@ connected_down_ipv4 (struct interface *ifp, struct connected *ifc)
SAFI_MULTICAST);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update_static", __func__);
zlog_debug ("%u: IF %s IPv4 address down, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update_static (ifp->vrf_id);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
/* Delete connected IPv4 route to the interface. */
@ -359,9 +360,10 @@ connected_delete_ipv4 (struct interface *ifp, int flags, struct in_addr *addr,
connected_withdraw (ifc);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update_static", __func__);
zlog_debug ("%u: IF %s IPv4 address del, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update_static(ifp->vrf_id);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
#ifdef HAVE_IPV6
@ -388,9 +390,10 @@ connected_up_ipv6 (struct interface *ifp, struct connected *ifc)
RT_TABLE_MAIN, ifp->metric, 0, SAFI_UNICAST);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
zlog_debug ("%u: IF %s IPv6 address down, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update (ifp->vrf_id);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
/* Add connected IPv6 route to the interface. */
@ -477,9 +480,10 @@ connected_down_ipv6 (struct interface *ifp, struct connected *ifc)
ifp->vrf_id, 0, SAFI_UNICAST);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update_static", __func__);
zlog_debug ("%u: IF %s IPv6 address down, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update_static (ifp->vrf_id);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
void
@ -501,9 +505,10 @@ connected_delete_ipv6 (struct interface *ifp, struct in6_addr *address,
connected_withdraw (ifc);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update_static", __func__);
zlog_debug ("%u: IF %s IPv6 address del, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update_static(ifp->vrf_id);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
#endif /* HAVE_IPV6 */

16
zebra/interface.c
View File

@ -639,11 +639,9 @@ if_up (struct interface *ifp)
}
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update on interface %s up", __func__,
ifp->name);
/* Examine all static routes. */
rib_update (ifp->vrf_id);
zlog_debug ("%u: IF %s up, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
}
/* Interface goes down. We have to manage different behavior of based
@ -675,12 +673,10 @@ if_down (struct interface *ifp)
}
}
/* Examine all static routes which direct to the interface. */
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update_static on interface %s down", __func__,
ifp->name);
rib_update_static (ifp->vrf_id);
zlog_debug ("%u: IF %s down, scheduling RIB processing",
ifp->vrf_id, ifp->name);
rib_update (ifp->vrf_id, RIB_UPDATE_IF_CHANGE);
if_nbr_ipv6ll_to_ipv4ll_neigh_del_all (ifp);

11
zebra/rib.h
View File

@ -370,6 +370,14 @@ typedef struct rib_tables_iter_t_
rib_tables_iter_state_t state;
} rib_tables_iter_t;
/* Events/reasons triggering a RIB update. */
typedef enum
{
RIB_UPDATE_IF_CHANGE,
RIB_UPDATE_RMAP_CHANGE,
RIB_UPDATE_OTHER
} rib_update_event_t;
extern struct nexthop *rib_nexthop_ifindex_add (struct rib *, unsigned int);
extern struct nexthop *rib_nexthop_blackhole_add (struct rib *);
extern struct nexthop *rib_nexthop_ipv4_add (struct rib *, struct in_addr *,
@ -428,8 +436,7 @@ extern struct rib *rib_match_ipv4 (struct in_addr, vrf_id_t);
extern struct rib *rib_lookup_ipv4 (struct prefix_ipv4 *, vrf_id_t);
extern void rib_update (vrf_id_t);
extern void rib_update_static (vrf_id_t);
extern void rib_update (vrf_id_t, rib_update_event_t);
extern void rib_weed_tables (void);
extern void rib_sweep_route (void);
extern void rib_close_table (struct route_table *);

89
zebra/zebra_rib.c
View File

@ -3471,56 +3471,83 @@ static_delete_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate,
return 1;
}
/* RIB update function. */
void
rib_update_static (vrf_id_t vrf_id)
/* Schedule routes of a particular table (address-family) based on event. */
static void
rib_update_table (struct route_table *table, rib_update_event_t event)
{
struct route_node *rn;
struct route_table *table;
struct rib *rib, *next;
table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, vrf_id);
if (table)
for (rn = route_top (table); rn; rn = route_next (rn))
RNODE_FOREACH_RIB_SAFE (rn, rib, next)
if (rib->type == ZEBRA_ROUTE_STATIC)
{
rib_queue_add (&zebrad, rn);
break;
}
/* Walk all routes and queue for processing, if appropriate for
* the trigger event.
*/
for (rn = route_top (table); rn; rn = route_next (rn))
{
switch (event)
{
case RIB_UPDATE_IF_CHANGE:
/* Examine all routes that won't get processed by the protocol or
* triggered by nexthop evaluation (NHT). This would be system,
* kernel and certain static routes. Note that NHT will get
* triggered upon an interface event as connected routes always
* get queued for processing.
*/
RNODE_FOREACH_RIB_SAFE (rn, rib, next)
{
if (rib->type == ZEBRA_ROUTE_OSPF ||
rib->type == ZEBRA_ROUTE_OSPF6 ||
rib->type == ZEBRA_ROUTE_BGP)
continue; /* protocol will handle. */
else if (rib->type == ZEBRA_ROUTE_STATIC)
{
struct nexthop *nh;
for (nh = rib->nexthop; nh; nh = nh->next)
if (!(nh->type == NEXTHOP_TYPE_IPV4 ||
nh->type == NEXTHOP_TYPE_IPV6))
break;
table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, vrf_id);
if (table)
for (rn = route_top (table); rn; rn = route_next (rn))
RNODE_FOREACH_RIB_SAFE (rn, rib, next)
if (rib->type == ZEBRA_ROUTE_STATIC)
{
/* If we only have nexthops to a gateway, NHT will
* take care.
*/
if (nh)
rib_queue_add (&zebrad, rn);
}
else
rib_queue_add (&zebrad, rn);
}
break;
case RIB_UPDATE_RMAP_CHANGE:
case RIB_UPDATE_OTHER:
/* Right now, examine all routes. Can restrict to a protocol in
* some cases (TODO).
*/
if (rnode_to_ribs (rn))
rib_queue_add (&zebrad, rn);
break;
}
break;
default:
break;
}
}
}
/* RIB update function. */
void
rib_update (vrf_id_t vrf_id)
rib_update (vrf_id_t vrf_id, rib_update_event_t event)
{
struct route_node *rn;
struct route_table *table;
/* Process routes of interested address-families. */
table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, vrf_id);
if (table)
for (rn = route_top (table); rn; rn = route_next (rn))
if (rnode_to_ribs (rn))
rib_queue_add (&zebrad, rn);
rib_update_table (table, event);
table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, vrf_id);
if (table)
for (rn = route_top (table); rn; rn = route_next (rn))
if (rnode_to_ribs (rn))
rib_queue_add (&zebrad, rn);
rib_update_table (table, event);
}
/* Remove all routes which comes from non main table. */
static void
rib_weed_table (struct route_table *table)

26
zebra/zebra_routemap.c
View File

@ -784,9 +784,10 @@ DEFUN (ip_protocol,
proto_rm[AFI_IP][i] = XSTRDUP (MTYPE_ROUTE_MAP_NAME, argv[1]);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
zlog_debug ("%u: IPv4 Routemap config for protocol %s, scheduling RIB processing",
VRF_DEFAULT, argv[0]);
rib_update(VRF_DEFAULT);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
return CMD_SUCCESS;
}
@ -821,9 +822,9 @@ DEFUN (no_ip_protocol,
proto_rm[AFI_IP][i] = NULL;
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
rib_update(VRF_DEFAULT);
zlog_debug ("%u: IPv4 Routemap unconfig for protocol %s, scheduling RIB processing",
VRF_DEFAULT, argv[0]);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
}
return CMD_SUCCESS;
}
@ -896,9 +897,10 @@ DEFUN (ipv6_protocol,
proto_rm[AFI_IP6][i] = XSTRDUP (MTYPE_ROUTE_MAP_NAME, argv[1]);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
zlog_debug ("%u: IPv6 Routemap config for protocol %s, scheduling RIB processing",
VRF_DEFAULT, argv[0]);
rib_update(VRF_DEFAULT);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
return CMD_SUCCESS;
}
@ -933,9 +935,10 @@ DEFUN (no_ipv6_protocol,
proto_rm[AFI_IP6][i] = NULL;
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
zlog_debug ("%u: IPv6 Routemap unconfig for protocol %s, scheduling RIB processing",
VRF_DEFAULT, argv[0]);
rib_update(VRF_DEFAULT);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
}
return CMD_SUCCESS;
}
@ -1605,9 +1608,10 @@ zebra_route_map_update_timer (struct thread *thread)
zlog_debug("Event driven route-map update triggered");
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug ("%s: calling rib_update", __func__);
zlog_debug ("%u: Routemap update-timer fired, scheduling RIB processing",
VRF_DEFAULT);
rib_update(VRF_DEFAULT);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
zebra_evaluate_rnh(0, AF_INET, 1, RNH_NEXTHOP_TYPE, NULL);
zebra_evaluate_rnh(0, AF_INET6, 1, RNH_NEXTHOP_TYPE, NULL);