aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core/core_priv.h
diff options
context:
space:
mode:
authorParav Pandit <parav@mellanox.com>2019-07-23 10:02:05 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-25 14:12:41 -0300
commit1d2fedd8561dc469a7503855ee602f4bb3eccfa7 (patch)
treeca8ca8b8343497506abfc3c2d5942195f9e7aa54 /drivers/infiniband/core/core_priv.h
parentRDMA/mlx4: Annotate boolean arguments as bool and not int (diff)
downloadlinux-dev-1d2fedd8561dc469a7503855ee602f4bb3eccfa7.tar.xz
linux-dev-1d2fedd8561dc469a7503855ee602f4bb3eccfa7.zip
RDMA/core: Support netlink commands in non init_net net namespaces
Now that IB core supports RDMA device binding with specific net namespace, enable IB core to accept netlink commands in non init_net namespaces. This is done by having per net namespace netlink socket. At present only netlink device handling client RDMA_NL_NLDEV supports device handling in multiple net namespaces. Hence do not accept netlink messages for other clients in non init_net net namespaces. Link: https://lore.kernel.org/r/20190723070205.6247-1-leon@kernel.org Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/core_priv.h')
-rw-r--r--drivers/infiniband/core/core_priv.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index 888d89ce81df..589ed805e0ad 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -36,6 +36,8 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/cgroup_rdma.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
#include <rdma/ib_verbs.h>
#include <rdma/opa_addr.h>
@@ -54,8 +56,26 @@ struct pkey_index_qp_list {
struct list_head qp_list;
};
+/**
+ * struct rdma_dev_net - rdma net namespace metadata for a net
+ * @nl_sock: Pointer to netlink socket
+ * @net: Pointer to owner net namespace
+ * @id: xarray id to identify the net namespace.
+ */
+struct rdma_dev_net {
+ struct sock *nl_sock;
+ possible_net_t net;
+ u32 id;
+};
+
extern const struct attribute_group ib_dev_attr_group;
extern bool ib_devices_shared_netns;
+extern unsigned int rdma_dev_net_id;
+
+static inline struct rdma_dev_net *rdma_net_to_dev_net(struct net *net)
+{
+ return net_generic(net, rdma_dev_net_id);
+}
int ib_device_register_sysfs(struct ib_device *device);
void ib_device_unregister_sysfs(struct ib_device *device);
@@ -179,7 +199,6 @@ void ib_mad_cleanup(void);
int ib_sa_init(void);
void ib_sa_cleanup(void);
-int rdma_nl_init(void);
void rdma_nl_exit(void);
int ib_nl_handle_resolve_resp(struct sk_buff *skb,
@@ -362,4 +381,7 @@ void ib_port_unregister_module_stat(struct kobject *kobj);
int ib_device_set_netns_put(struct sk_buff *skb,
struct ib_device *dev, u32 ns_fd);
+
+int rdma_nl_net_init(struct rdma_dev_net *rnet);
+void rdma_nl_net_exit(struct rdma_dev_net *rnet);
#endif /* _CORE_PRIV_H */