/* Add bridge to datapath manager. */
lagopus_result_t
dpmgr_bridge_add(struct dpmgr *dpmgr, const char *bridge_name,
uint64_t dpid) {
lagopus_result_t ret;
ret = bridge_add(&dpmgr->bridge_list, bridge_name, dpid);
return ret;
}
static int
__bridge_table_add(struct vr_route_req *rt)
{
int ret;
unsigned short flags, i;
struct vr_bridge_entry *be;
be = bridge_add(rt->rtr_req.rtr_rid, rt->rtr_req.rtr_vrf_id,
rt->rtr_req.rtr_mac, rt->rtr_req.rtr_nh_id);
if (!be)
return -ENOMEM;
rt->rtr_req.rtr_label_flags =
VR_BRIDGE_FLAG_MASK(rt->rtr_req.rtr_label_flags);
if (rt->rtr_req.rtr_label_flags & VR_BE_LABEL_VALID_FLAG)
be->be_label = rt->rtr_req.rtr_label;
/*
* attempt the change for some number of times, if the set
* turns out to be contested
*/
ret = -EAGAIN;
for (i = 0; i < 10; i++) {
flags = be->be_flags & VR_BE_VALID_FLAG;
if (__sync_bool_compare_and_swap(&be->be_flags, flags,
flags | rt->rtr_req.rtr_label_flags)) {
ret = 0;
break;
}
}
rt->rtr_req.rtr_index = be->be_hentry.hentry_index;
return ret;
}
int
brport(char *ifname, int ifs, int argc, char **argv)
{
int set, i;
struct brc *x;
if (NO_ARG(argv[0])) {
set = 0;
argv++;
argc--;
} else
set = 1;
x = (struct brc *) genget(argv[0], (char **)brps, sizeof(struct brc));
if (x == 0) {
printf("%% Internal error - Invalid argument %s\n", argv[0]);
return 0;
} else if (Ambiguous(x)) {
printf("%% Internal error - Ambiguous argument %s\n", argv[0]);
return 0;
}
argv++;
argc--;
if (argc == 0) {
printf("%% %s <if> [if]...\n", x->name);
printf("%% no %s <if> [if]...\n", x->name);
return(0);
}
for (i = 0; i < argc; i++) {
if (!is_valid_ifname(argv[i]) ||
is_bridge(ifs, argv[i])) {
printf("%% Invalid interface name %s\n", argv[i]);
continue;
}
switch(x->type) {
case BRPORT_MEMBER:
if (set) {
/* adding a member activates a bridge */
set_ifflag(ifs, ifname, IFF_UP);
bridge_add(ifs, ifname, argv[i]);
} else
bridge_delete(ifs, ifname, argv[i]);
break;
case BRPORT_SPAN:
if (set)
bridge_addspan(ifs, ifname, argv[i]);
else
bridge_delspan(ifs, ifname, argv[i]);
break;
case BRPORT_BLOCKNONIP:
if (set)
bridge_ifsetflag(ifs, ifname, argv[i],
IFBIF_BLOCKNONIP);
else
bridge_ifclrflag(ifs, ifname, argv[i],
IFBIF_BLOCKNONIP);
break;
case BRPORT_DISCOVER:
if (set)
bridge_ifsetflag(ifs, ifname, argv[i],
IFBIF_DISCOVER);
else
bridge_ifclrflag(ifs, ifname, argv[i],
IFBIF_DISCOVER);
break;
case BRPORT_LEARN:
if (set)
bridge_ifsetflag(ifs, ifname, argv[i],
IFBIF_LEARNING);
else
bridge_ifclrflag(ifs, ifname, argv[i],
IFBIF_LEARNING);
break;
case BRPORT_STP:
if (set)
bridge_ifsetflag(ifs, ifname, argv[i],
IFBIF_STP);
else
bridge_ifclrflag(ifs, ifname, argv[i],
IFBIF_STP);
break;
}
}
return(0);
}
unsigned int
vr_bridge_learn(struct vrouter *router, struct vr_packet *pkt,
struct vr_forwarding_md *fmd)
{
int ret = 0, lock, valid_src;
unsigned int trap_reason;
bool trap = false;
struct vr_eth *eth;
struct vr_packet *pkt_c;
struct vr_nexthop *nh = NULL;
struct vr_bridge_entry *be;
eth = (struct vr_eth *)pkt_data(pkt);
if (!eth)
return 0;
if (IS_MAC_BMCAST(eth->eth_smac))
return 0;
be = bridge_lookup(eth->eth_smac, fmd);
if (be) {
nh = be->be_nh;
}
if (!nh) {
be = bridge_lookup((uint8_t *)vr_bcast_mac, fmd);
if (be) {
nh = be->be_nh;
}
if (!nh)
return 0;
lock = bridge_table_lock(pkt->vp_if, eth->eth_smac);
if (lock < 0)
return 0;
be = bridge_add(0, fmd->fmd_dvrf, eth->eth_smac, nh->nh_id);
bridge_table_unlock(pkt->vp_if, eth->eth_smac, lock);
if (!be)
return -ENOMEM;
trap_reason = AGENT_TRAP_MAC_LEARN;
trap = true;
} else {
if (!(be->be_flags & VR_BE_MAC_MOVED_FLAG) && (nh->nh_validate_src)) {
valid_src = nh->nh_validate_src(pkt, nh, fmd, NULL);
if (valid_src != NH_SOURCE_VALID) {
ret = vr_bridge_set_route_flags(be, VR_BE_MAC_MOVED_FLAG);
if (!ret) {
/* trap the packet for mac move */
trap_reason = AGENT_TRAP_MAC_MOVE;
trap = true;
}
ret = 0;
}
}
}
__sync_fetch_and_add(&be->be_packets, 1);
if (trap) {
pkt_c = pkt_cow(pkt, 0);
if (!pkt_c) {
pkt_c = pkt;
ret = -ENOMEM;
}
vr_trap(pkt_c, fmd->fmd_dvrf,
trap_reason, (void *)&be->be_hentry.hentry_index);
}
return ret;
}