static int fi_ibv_get_matching_info(const char *domain_name,
struct fi_info *hints, struct rdma_addrinfo *rai,
struct fi_info **info)
{
struct fi_info *check_info;
struct fi_info *fi, *tail;
int ret;
*info = tail = NULL;
for (check_info = verbs_info; check_info; check_info = check_info->next) {
if (domain_name && strncmp(check_info->domain_attr->name,
domain_name, strlen(domain_name)))
continue;
if (hints) {
ret = fi_ibv_check_hints(hints, check_info);
if (ret)
continue;
}
if (!(fi = fi_dupinfo(check_info))) {
ret = -FI_ENOMEM;
goto err1;
}
ret = fi_ibv_rai_to_fi(rai, fi);
if (ret)
goto err2;
fi_ibv_update_info(hints, fi);
if (!*info)
*info = fi;
else
tail->next = fi;
tail = fi;
}
if (!*info)
return -FI_ENODATA;
return 0;
err2:
fi_freeinfo(fi);
err1:
fi_freeinfo(*info);
return ret;
}
static int fi_ibv_get_srcaddr_devs(struct fi_info **info)
{
struct fi_info *fi, *add_info;
struct fi_info *fi_unconf = NULL, *fi_prev = NULL;
struct verbs_dev_info *dev;
struct verbs_addr *addr;
int ret = 0;
DEFINE_LIST(verbs_devs);
ret = fi_ibv_getifaddrs(&verbs_devs);
if (ret)
return ret;
if (dlist_empty(&verbs_devs)) {
VERBS_WARN(FI_LOG_CORE, "No interface address found\n");
return 0;
}
for (fi = *info; fi; fi = fi->next) {
dlist_foreach_container(&verbs_devs, struct verbs_dev_info, dev, entry)
if (!strncmp(fi->domain_attr->name, dev->name, strlen(dev->name))) {
dlist_foreach_container(&dev->addrs, struct verbs_addr, addr, entry) {
/* When a device has multiple interfaces/addresses configured
* duplicate fi_info and add the address info. fi->src_addr
* would have been set in the previous iteration */
if (fi->src_addr) {
if (!(add_info = fi_dupinfo(fi))) {
ret = -FI_ENOMEM;
goto out;
}
add_info->next = fi->next;
fi->next = add_info;
fi = add_info;
}
ret = fi_ibv_rai_to_fi(addr->rai, fi);
if (ret)
goto out;
}
break;
}
}
static int fi_ibv_copy_ifaddr(const char *name, const char *service, uint64_t flags,
struct fi_info *info)
{
struct rdma_addrinfo *rai;
struct fi_info *fi;
struct rdma_cm_id *id;
int ret;
ret = fi_ibv_get_rdma_rai(name, service, flags, NULL, &rai);
if (ret) {
FI_WARN(&fi_ibv_prov, FI_LOG_FABRIC,
"rdma_getaddrinfo failed for name:%s\n", name);
return ret;
}
ret = rdma_create_ep(&id, rai, NULL, NULL);
if (!ret) {
for (fi = info; fi; fi = fi->next)
if (!strncmp(id->verbs->device->name, fi->domain_attr->name,
strlen(id->verbs->device->name)))
break;
if (!fi) {
FI_WARN(&fi_ibv_prov, FI_LOG_FABRIC,
"No matching fi_info for device: "
"%s with address: %s\n",
id->verbs->device->name, name);
} else {
if (fi->src_addr) {
free(fi->src_addr);
fi->src_addr = NULL;
}
fi_ibv_rai_to_fi(rai, fi);
}
rdma_destroy_ep(id);
}
rdma_freeaddrinfo(rai);
return 0;
}
