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RDMA/ucma: Name changes to indicate only IP addresses supported 

Several commands into the RDMA CM from user space are restricted to
supporting addresses which fit into a sockaddr_in6 structure: bind
address, resolve address, and join multicast.

With the addition of AF_IB, we need to support addresses which are
larger than sockaddr_in6.  This will be done by adding new commands
that exchange address information using sockaddr_storage.  However, to
support existing applications, we maintain the current commands and
structures, but rename them to indicate that they only support IPv4
and v6 addresses.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Sean Hefty 2013-05-29 10:09:30 -07:00 коммит произвёл Roland Dreier
Родитель edaa7a5578
Коммит 05ad94577e
2 изменённых файлов: 36 добавлений и 36 удалений
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60
drivers/infiniband/core/ucma.c
Просмотреть файл

@ -512,10 +512,10 @@ static ssize_t ucma_destroy_id(struct ucma_file *file, const char __user *inbuf,
return ret;
}
static ssize_t ucma_bind_addr(struct ucma_file *file, const char __user *inbuf,
static ssize_t ucma_bind_ip(struct ucma_file *file, const char __user *inbuf,
int in_len, int out_len)
{
struct rdma_ucm_bind_addr cmd;
struct rdma_ucm_bind_ip cmd;
struct ucma_context *ctx;
int ret;
@ -531,11 +531,11 @@ static ssize_t ucma_bind_addr(struct ucma_file *file, const char __user *inbuf,
return ret;
}
static ssize_t ucma_resolve_addr(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len)
static ssize_t ucma_resolve_ip(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len)
{
struct rdma_ucm_resolve_addr cmd;
struct rdma_ucm_resolve_ip cmd;
struct ucma_context *ctx;
int ret;
@ -1178,11 +1178,11 @@ static ssize_t ucma_notify(struct ucma_file *file, const char __user *inbuf,
return ret;
}
static ssize_t ucma_join_multicast(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len)
static ssize_t ucma_join_ip_multicast(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len)
{
struct rdma_ucm_join_mcast cmd;
struct rdma_ucm_join_ip_mcast cmd;
struct rdma_ucm_create_id_resp resp;
struct ucma_context *ctx;
struct ucma_multicast *mc;
@ -1379,26 +1379,26 @@ file_put:
static ssize_t (*ucma_cmd_table[])(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len) = {
[RDMA_USER_CM_CMD_CREATE_ID] = ucma_create_id,
[RDMA_USER_CM_CMD_DESTROY_ID] = ucma_destroy_id,
[RDMA_USER_CM_CMD_BIND_ADDR] = ucma_bind_addr,
[RDMA_USER_CM_CMD_RESOLVE_ADDR] = ucma_resolve_addr,
[RDMA_USER_CM_CMD_RESOLVE_ROUTE]= ucma_resolve_route,
[RDMA_USER_CM_CMD_QUERY_ROUTE] = ucma_query_route,
[RDMA_USER_CM_CMD_CONNECT] = ucma_connect,
[RDMA_USER_CM_CMD_LISTEN] = ucma_listen,
[RDMA_USER_CM_CMD_ACCEPT] = ucma_accept,
[RDMA_USER_CM_CMD_REJECT] = ucma_reject,
[RDMA_USER_CM_CMD_DISCONNECT] = ucma_disconnect,
[RDMA_USER_CM_CMD_INIT_QP_ATTR] = ucma_init_qp_attr,
[RDMA_USER_CM_CMD_GET_EVENT] = ucma_get_event,
[RDMA_USER_CM_CMD_GET_OPTION] = NULL,
[RDMA_USER_CM_CMD_SET_OPTION] = ucma_set_option,
[RDMA_USER_CM_CMD_NOTIFY] = ucma_notify,
[RDMA_USER_CM_CMD_JOIN_MCAST] = ucma_join_multicast,
[RDMA_USER_CM_CMD_LEAVE_MCAST] = ucma_leave_multicast,
[RDMA_USER_CM_CMD_MIGRATE_ID] = ucma_migrate_id,
[RDMA_USER_CM_CMD_QUERY] = ucma_query
[RDMA_USER_CM_CMD_CREATE_ID] = ucma_create_id,
[RDMA_USER_CM_CMD_DESTROY_ID] = ucma_destroy_id,
[RDMA_USER_CM_CMD_BIND_IP] = ucma_bind_ip,
[RDMA_USER_CM_CMD_RESOLVE_IP] = ucma_resolve_ip,
[RDMA_USER_CM_CMD_RESOLVE_ROUTE] = ucma_resolve_route,
[RDMA_USER_CM_CMD_QUERY_ROUTE] = ucma_query_route,
[RDMA_USER_CM_CMD_CONNECT] = ucma_connect,
[RDMA_USER_CM_CMD_LISTEN] = ucma_listen,
[RDMA_USER_CM_CMD_ACCEPT] = ucma_accept,
[RDMA_USER_CM_CMD_REJECT] = ucma_reject,
[RDMA_USER_CM_CMD_DISCONNECT] = ucma_disconnect,
[RDMA_USER_CM_CMD_INIT_QP_ATTR] = ucma_init_qp_attr,
[RDMA_USER_CM_CMD_GET_EVENT] = ucma_get_event,
[RDMA_USER_CM_CMD_GET_OPTION] = NULL,
[RDMA_USER_CM_CMD_SET_OPTION] = ucma_set_option,
[RDMA_USER_CM_CMD_NOTIFY] = ucma_notify,
[RDMA_USER_CM_CMD_JOIN_IP_MCAST] = ucma_join_ip_multicast,
[RDMA_USER_CM_CMD_LEAVE_MCAST] = ucma_leave_multicast,
[RDMA_USER_CM_CMD_MIGRATE_ID] = ucma_migrate_id,
[RDMA_USER_CM_CMD_QUERY] = ucma_query
};
static ssize_t ucma_write(struct file *filp, const char __user *buf,

12
include/uapi/rdma/rdma_user_cm.h
Просмотреть файл

@ -45,8 +45,8 @@
enum {
RDMA_USER_CM_CMD_CREATE_ID,
RDMA_USER_CM_CMD_DESTROY_ID,
RDMA_USER_CM_CMD_BIND_ADDR,
RDMA_USER_CM_CMD_RESOLVE_ADDR,
RDMA_USER_CM_CMD_BIND_IP,
RDMA_USER_CM_CMD_RESOLVE_IP,
RDMA_USER_CM_CMD_RESOLVE_ROUTE,
RDMA_USER_CM_CMD_QUERY_ROUTE,
RDMA_USER_CM_CMD_CONNECT,
@ -59,7 +59,7 @@ enum {
RDMA_USER_CM_CMD_GET_OPTION,
RDMA_USER_CM_CMD_SET_OPTION,
RDMA_USER_CM_CMD_NOTIFY,
RDMA_USER_CM_CMD_JOIN_MCAST,
RDMA_USER_CM_CMD_JOIN_IP_MCAST,
RDMA_USER_CM_CMD_LEAVE_MCAST,
RDMA_USER_CM_CMD_MIGRATE_ID,
RDMA_USER_CM_CMD_QUERY
@ -96,13 +96,13 @@ struct rdma_ucm_destroy_id_resp {
__u32 events_reported;
};
struct rdma_ucm_bind_addr {
struct rdma_ucm_bind_ip {
__u64 response;
struct sockaddr_in6 addr;
__u32 id;
};
struct rdma_ucm_resolve_addr {
struct rdma_ucm_resolve_ip {
struct sockaddr_in6 src_addr;
struct sockaddr_in6 dst_addr;
__u32 id;
@ -216,7 +216,7 @@ struct rdma_ucm_notify {
__u32 event;
};
struct rdma_ucm_join_mcast {
struct rdma_ucm_join_ip_mcast {
__u64 response; /* rdma_ucm_create_id_resp */
__u64 uid;
struct sockaddr_in6 addr;