sharp: Modify route install to take nexthop groups

Modify the route_add function to take nexthop groups.  Future commits
will allow sharpd to use nexthop groups as the install mechanism
for routes.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-12-31 17:28:13 -05:00
parent d52fa66f0e
commit 694b242f21
4 changed files with 41 additions and 9 deletions

View File

@ -42,6 +42,7 @@
#include "distribute.h"
#include "libfrr.h"
#include "routemap.h"
#include "nexthop_group.h"
#include "sharp_zebra.h"
#include "sharp_vty.h"

View File

@ -28,6 +28,7 @@
#include "log.h"
#include "vrf.h"
#include "zclient.h"
#include "nexthop_group.h"
#include "sharpd/sharp_zebra.h"
#include "sharpd/sharp_vty.h"
@ -96,6 +97,7 @@ DEFPY (install_routes,
int i;
struct prefix p;
struct nexthop nhop;
struct nexthop_group nhg;
uint32_t temp;
total_routes = routes;
@ -103,6 +105,7 @@ DEFPY (install_routes,
memset(&p, 0, sizeof(p));
memset(&nhop, 0, sizeof(nhop));
memset(&nhg, 0, sizeof(nhg));
p.family = AF_INET;
p.prefixlen = 32;
@ -116,11 +119,12 @@ DEFPY (install_routes,
nhop.type = NEXTHOP_TYPE_IPV6;
}
nhg.nexthop = &nhop;
zlog_debug("Inserting %ld routes", routes);
temp = ntohl(p.u.prefix4.s_addr);
for (i = 0; i < routes; i++) {
route_add(&p, (uint8_t)instance, &nhop);
route_add(&p, (uint8_t)instance, &nhg);
p.u.prefix4.s_addr = htonl(++temp);
}

View File

@ -34,6 +34,7 @@
#include "plist.h"
#include "log.h"
#include "nexthop.h"
#include "nexthop_group.h"
#include "sharp_zebra.h"
@ -176,10 +177,12 @@ void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label)
zclient_send_vrf_label(zclient, vrf_id, afi, label, ZEBRA_LSP_SHARP);
}
void route_add(struct prefix *p, uint8_t instance, struct nexthop *nh)
void route_add(struct prefix *p, uint8_t instance, struct nexthop_group *nhg)
{
struct zapi_route api;
struct zapi_nexthop *api_nh;
struct nexthop *nh;
int i = 0;
memset(&api, 0, sizeof(api));
api.vrf_id = VRF_DEFAULT;
@ -191,12 +194,35 @@ void route_add(struct prefix *p, uint8_t instance, struct nexthop *nh)
SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION);
SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
api_nh = &api.nexthops[0];
for (ALL_NEXTHOPS_PTR(nhg, nh)) {
api_nh = &api.nexthops[i];
api_nh->vrf_id = VRF_DEFAULT;
api_nh->gate = nh->gate;
api_nh->type = nh->type;
switch (nh->type) {
case NEXTHOP_TYPE_IPV4:
api_nh->gate = nh->gate;
break;
case NEXTHOP_TYPE_IPV4_IFINDEX:
api_nh->gate = nh->gate;
api_nh->ifindex = nh->ifindex;
api.nexthop_num = 1;
break;
case NEXTHOP_TYPE_IFINDEX:
api_nh->ifindex = nh->ifindex;
break;
case NEXTHOP_TYPE_IPV6:
memcpy(&api_nh->gate.ipv6, &nh->gate.ipv6, 16);
break;
case NEXTHOP_TYPE_IPV6_IFINDEX:
api_nh->ifindex = nh->ifindex;
memcpy(&api_nh->gate.ipv6, &nh->gate.ipv6, 16);
break;
case NEXTHOP_TYPE_BLACKHOLE:
api_nh->bh_type = nh->bh_type;
break;
}
i++;
}
api.nexthop_num = i;
zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api);
}

View File

@ -25,7 +25,8 @@
extern void sharp_zebra_init(void);
extern void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label);
extern void route_add(struct prefix *p, uint8_t instance, struct nexthop *nh);
extern void route_add(struct prefix *p, uint8_t instance,
struct nexthop_group *nhg);
extern void route_delete(struct prefix *p, uint8_t instance);
extern void sharp_zebra_nexthop_watch(struct prefix *p, bool watch);
#endif