#include <linux/module.h>
#include <net/route.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
#include <net/tcp.h>
#include <net/ipv6.h>
#include <net/ip_fib.h>
[RDMA_CM_EVENT_TIMEWAIT_EXIT] = "timewait exit",
};
-const char *rdma_event_msg(enum rdma_cm_event_type event)
+const char *__attribute_const__ rdma_event_msg(enum rdma_cm_event_type event)
{
size_t index = event;
static LIST_HEAD(listen_any_list);
static DEFINE_MUTEX(lock);
static struct workqueue_struct *cma_wq;
-static DEFINE_IDR(tcp_ps);
-static DEFINE_IDR(udp_ps);
-static DEFINE_IDR(ipoib_ps);
-static DEFINE_IDR(ib_ps);
+static int cma_pernet_id;
-static struct idr *cma_idr(enum rdma_port_space ps)
+struct cma_pernet {
+ struct idr tcp_ps;
+ struct idr udp_ps;
+ struct idr ipoib_ps;
+ struct idr ib_ps;
+};
+
+static struct cma_pernet *cma_pernet(struct net *net)
+{
+ return net_generic(net, cma_pernet_id);
+}
+
+static struct idr *cma_pernet_idr(struct net *net, enum rdma_port_space ps)
{
+ struct cma_pernet *pernet = cma_pernet(net);
+
switch (ps) {
case RDMA_PS_TCP:
- return &tcp_ps;
+ return &pernet->tcp_ps;
case RDMA_PS_UDP:
- return &udp_ps;
+ return &pernet->udp_ps;
case RDMA_PS_IPOIB:
- return &ipoib_ps;
+ return &pernet->ipoib_ps;
case RDMA_PS_IB:
- return &ib_ps;
+ return &pernet->ib_ps;
default:
return NULL;
}
unsigned short port;
};
-static int cma_ps_alloc(enum rdma_port_space ps,
+static int cma_ps_alloc(struct net *net, enum rdma_port_space ps,
struct rdma_bind_list *bind_list, int snum)
{
- struct idr *idr = cma_idr(ps);
+ struct idr *idr = cma_pernet_idr(net, ps);
return idr_alloc(idr, bind_list, snum, snum + 1, GFP_KERNEL);
}
-static struct rdma_bind_list *cma_ps_find(enum rdma_port_space ps, int snum)
+static struct rdma_bind_list *cma_ps_find(struct net *net,
+ enum rdma_port_space ps, int snum)
{
- struct idr *idr = cma_idr(ps);
+ struct idr *idr = cma_pernet_idr(net, ps);
return idr_find(idr, snum);
}
-static void cma_ps_remove(enum rdma_port_space ps, int snum)
+static void cma_ps_remove(struct net *net, enum rdma_port_space ps, int snum)
{
- struct idr *idr = cma_idr(ps);
+ struct idr *idr = cma_pernet_idr(net, ps);
idr_remove(idr, snum);
}
}
static inline int cma_validate_port(struct ib_device *device, u8 port,
- union ib_gid *gid, int dev_type)
+ union ib_gid *gid, int dev_type,
+ int bound_if_index)
{
- u8 found_port;
int ret = -ENODEV;
+ struct net_device *ndev = NULL;
if ((dev_type == ARPHRD_INFINIBAND) && !rdma_protocol_ib(device, port))
return ret;
if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port))
return ret;
- ret = ib_find_cached_gid(device, gid, &found_port, NULL);
- if (port != found_port)
- return -ENODEV;
+ if (dev_type == ARPHRD_ETHER)
+ ndev = dev_get_by_index(&init_net, bound_if_index);
+
+ ret = ib_find_cached_gid_by_port(device, gid, port, ndev, NULL);
+
+ if (ndev)
+ dev_put(ndev);
return ret;
}
&iboe_gid : &gid;
ret = cma_validate_port(cma_dev->device, port, gidp,
- dev_addr->dev_type);
+ dev_addr->dev_type,
+ dev_addr->bound_dev_if);
if (!ret) {
id_priv->id.port_num = port;
goto out;
&iboe_gid : &gid;
ret = cma_validate_port(cma_dev->device, port, gidp,
- dev_addr->dev_type);
+ dev_addr->dev_type,
+ dev_addr->bound_dev_if);
if (!ret) {
id_priv->id.port_num = port;
goto out;
if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
continue;
- for (i = 0; !ib_get_cached_gid(cur_dev->device, p, i, &gid); i++) {
+ for (i = 0; !ib_get_cached_gid(cur_dev->device, p, i,
+ &gid, NULL);
+ i++) {
if (!memcmp(&gid, dgid, sizeof(gid))) {
cma_dev = cur_dev;
sgid = gid;
return 0;
}
-struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
+struct rdma_cm_id *rdma_create_id(struct net *net,
+ rdma_cm_event_handler event_handler,
void *context, enum rdma_port_space ps,
enum ib_qp_type qp_type)
{
INIT_LIST_HEAD(&id_priv->listen_list);
INIT_LIST_HEAD(&id_priv->mc_list);
get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num);
+ id_priv->id.route.addr.dev_addr.net = get_net(net);
return &id_priv->id;
}
goto out;
ret = ib_query_gid(id_priv->id.device, id_priv->id.port_num,
- qp_attr.ah_attr.grh.sgid_index, &sgid);
+ qp_attr.ah_attr.grh.sgid_index, &sgid, NULL);
if (ret)
goto out;
BUG_ON(id_priv->cma_dev->device != id_priv->id.device);
- if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) {
- ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);
-
- if (ret)
- goto out;
- }
if (conn_param)
qp_attr.max_dest_rd_atomic = conn_param->responder_resources;
ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
cma_protocol_roce(&id_priv->id);
return !addr->dev_addr.bound_dev_if ||
- (net_eq(dev_net(net_dev), &init_net) &&
+ (net_eq(dev_net(net_dev), addr->dev_addr.net) &&
addr->dev_addr.bound_dev_if == net_dev->ifindex);
}
}
}
- bind_list = cma_ps_find(rdma_ps_from_service_id(req.service_id),
+ bind_list = cma_ps_find(*net_dev ? dev_net(*net_dev) : &init_net,
+ rdma_ps_from_service_id(req.service_id),
cma_port_from_service_id(req.service_id));
id_priv = cma_find_listener(bind_list, cm_id, ib_event, &req, *net_dev);
if (IS_ERR(id_priv) && *net_dev) {
static void cma_release_port(struct rdma_id_private *id_priv)
{
struct rdma_bind_list *bind_list = id_priv->bind_list;
+ struct net *net = id_priv->id.route.addr.dev_addr.net;
if (!bind_list)
return;
mutex_lock(&lock);
hlist_del(&id_priv->node);
if (hlist_empty(&bind_list->owners)) {
- cma_ps_remove(bind_list->ps, bind_list->port);
+ cma_ps_remove(net, bind_list->ps, bind_list->port);
kfree(bind_list);
}
mutex_unlock(&lock);
cma_deref_id(id_priv->id.context);
kfree(id_priv->id.route.path_rec);
+ put_net(id_priv->id.route.addr.dev_addr.net);
kfree(id_priv);
}
EXPORT_SYMBOL(rdma_destroy_id);
ib_event->param.req_rcvd.primary_path->service_id;
int ret;
- id = rdma_create_id(listen_id->event_handler, listen_id->context,
+ id = rdma_create_id(listen_id->route.addr.dev_addr.net,
+ listen_id->event_handler, listen_id->context,
listen_id->ps, ib_event->param.req_rcvd.qp_type);
if (IS_ERR(id))
return NULL;
struct rdma_id_private *id_priv;
struct rdma_cm_id *id;
const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family;
+ struct net *net = listen_id->route.addr.dev_addr.net;
int ret;
- id = rdma_create_id(listen_id->event_handler, listen_id->context,
+ id = rdma_create_id(net, listen_id->event_handler, listen_id->context,
listen_id->ps, IB_QPT_UD);
if (IS_ERR(id))
return NULL;
return -ECONNABORTED;
/* Create a new RDMA id for the new IW CM ID */
- new_cm_id = rdma_create_id(listen_id->id.event_handler,
+ new_cm_id = rdma_create_id(listen_id->id.route.addr.dev_addr.net,
+ listen_id->id.event_handler,
listen_id->id.context,
RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(new_cm_id)) {
{
struct rdma_id_private *dev_id_priv;
struct rdma_cm_id *id;
+ struct net *net = id_priv->id.route.addr.dev_addr.net;
int ret;
if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1))
return;
- id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
+ id = rdma_create_id(net, cma_listen_handler, id_priv, id_priv->id.ps,
id_priv->id.qp_type);
if (IS_ERR(id))
return;
route->num_paths = 1;
- if (addr->dev_addr.bound_dev_if)
+ if (addr->dev_addr.bound_dev_if) {
ndev = dev_get_by_index(&init_net, addr->dev_addr.bound_dev_if);
+ route->path_rec->net = &init_net;
+ route->path_rec->ifindex = addr->dev_addr.bound_dev_if;
+ }
if (!ndev) {
ret = -ENODEV;
goto err2;
}
- route->path_rec->vlan_id = rdma_vlan_dev_vlan_id(ndev);
memcpy(route->path_rec->dmac, addr->dev_addr.dst_dev_addr, ETH_ALEN);
- memcpy(route->path_rec->smac, ndev->dev_addr, ndev->addr_len);
rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr,
&route->path_rec->sgid);
p = 1;
port_found:
- ret = ib_get_cached_gid(cma_dev->device, p, 0, &gid);
+ ret = ib_get_cached_gid(cma_dev->device, p, 0, &gid, NULL);
if (ret)
goto out;
if (!bind_list)
return -ENOMEM;
- ret = cma_ps_alloc(ps, bind_list, snum);
+ ret = cma_ps_alloc(id_priv->id.route.addr.dev_addr.net, ps, bind_list,
+ snum);
if (ret < 0)
goto err;
static unsigned int last_used_port;
int low, high, remaining;
unsigned int rover;
+ struct net *net = id_priv->id.route.addr.dev_addr.net;
- inet_get_local_port_range(&init_net, &low, &high);
+ inet_get_local_port_range(net, &low, &high);
remaining = (high - low) + 1;
rover = prandom_u32() % remaining + low;
retry:
if (last_used_port != rover &&
- !cma_ps_find(ps, (unsigned short)rover)) {
+ !cma_ps_find(net, ps, (unsigned short)rover)) {
int ret = cma_alloc_port(ps, id_priv, rover);
/*
* Remember previously used port number in order to avoid
if (snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE))
return -EACCES;
- bind_list = cma_ps_find(ps, snum);
+ bind_list = cma_ps_find(id_priv->id.route.addr.dev_addr.net, ps, snum);
if (!bind_list) {
ret = cma_alloc_port(ps, id_priv, snum);
} else {
if (addr->sa_family == AF_INET)
id_priv->afonly = 1;
#if IS_ENABLED(CONFIG_IPV6)
- else if (addr->sa_family == AF_INET6)
- id_priv->afonly = init_net.ipv6.sysctl.bindv6only;
+ else if (addr->sa_family == AF_INET6) {
+ struct net *net = id_priv->id.route.addr.dev_addr.net;
+
+ id_priv->afonly = net->ipv6.sysctl.bindv6only;
+ }
#endif
}
ret = cma_get_port(id_priv);
dev_addr = &id_priv->id.route.addr.dev_addr;
if ((dev_addr->bound_dev_if == ndev->ifindex) &&
+ (net_eq(dev_net(ndev), dev_addr->net)) &&
memcmp(dev_addr->src_dev_addr, ndev->dev_addr, ndev->addr_len)) {
printk(KERN_INFO "RDMA CM addr change for ndev %s used by id %p\n",
ndev->name, &id_priv->id);
struct rdma_id_private *id_priv;
int ret = NOTIFY_DONE;
- if (dev_net(ndev) != &init_net)
- return NOTIFY_DONE;
-
if (event != NETDEV_BONDING_FAILOVER)
return NOTIFY_DONE;
.module = THIS_MODULE },
};
+static int cma_init_net(struct net *net)
+{
+ struct cma_pernet *pernet = cma_pernet(net);
+
+ idr_init(&pernet->tcp_ps);
+ idr_init(&pernet->udp_ps);
+ idr_init(&pernet->ipoib_ps);
+ idr_init(&pernet->ib_ps);
+
+ return 0;
+}
+
+static void cma_exit_net(struct net *net)
+{
+ struct cma_pernet *pernet = cma_pernet(net);
+
+ idr_destroy(&pernet->tcp_ps);
+ idr_destroy(&pernet->udp_ps);
+ idr_destroy(&pernet->ipoib_ps);
+ idr_destroy(&pernet->ib_ps);
+}
+
+static struct pernet_operations cma_pernet_operations = {
+ .init = cma_init_net,
+ .exit = cma_exit_net,
+ .id = &cma_pernet_id,
+ .size = sizeof(struct cma_pernet),
+};
+
static int __init cma_init(void)
{
int ret;
if (!cma_wq)
return -ENOMEM;
+ ret = register_pernet_subsys(&cma_pernet_operations);
+ if (ret)
+ goto err_wq;
+
ib_sa_register_client(&sa_client);
rdma_addr_register_client(&addr_client);
register_netdevice_notifier(&cma_nb);
unregister_netdevice_notifier(&cma_nb);
rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
+err_wq:
destroy_workqueue(cma_wq);
return ret;
}
unregister_netdevice_notifier(&cma_nb);
rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
+ unregister_pernet_subsys(&cma_pernet_operations);
destroy_workqueue(cma_wq);
- idr_destroy(&tcp_ps);
- idr_destroy(&udp_ps);
- idr_destroy(&ipoib_ps);
- idr_destroy(&ib_ps);
}
module_init(cma_init);
projects / firefly-linux-kernel-4.4.55.git / blobdiff