Commit 209cf2a7 authored by Sean Hefty's avatar Sean Hefty Committed by Roland Dreier

RDMA/ucma: Allow user space to pass AF_IB into resolve

Allow user space applications to call resolve_addr using AF_IB.  To
support sockaddr_ib, we need to define a new structure capable of
handling the larger address size.
Signed-off-by: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent eebe4c3a
...@@ -577,6 +577,33 @@ static ssize_t ucma_resolve_ip(struct ucma_file *file, ...@@ -577,6 +577,33 @@ static ssize_t ucma_resolve_ip(struct ucma_file *file,
return ret; return ret;
} }
static ssize_t ucma_resolve_addr(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len)
{
struct rdma_ucm_resolve_addr cmd;
struct sockaddr *src, *dst;
struct ucma_context *ctx;
int ret;
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
src = (struct sockaddr *) &cmd.src_addr;
dst = (struct sockaddr *) &cmd.dst_addr;
if (cmd.reserved || (cmd.src_size && (cmd.src_size != rdma_addr_size(src))) ||
!cmd.dst_size || (cmd.dst_size != rdma_addr_size(dst)))
return -EINVAL;
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = rdma_resolve_addr(ctx->cm_id, src, dst, cmd.timeout_ms);
ucma_put_ctx(ctx);
return ret;
}
static ssize_t ucma_resolve_route(struct ucma_file *file, static ssize_t ucma_resolve_route(struct ucma_file *file,
const char __user *inbuf, const char __user *inbuf,
int in_len, int out_len) int in_len, int out_len)
...@@ -1423,7 +1450,8 @@ static ssize_t (*ucma_cmd_table[])(struct ucma_file *file, ...@@ -1423,7 +1450,8 @@ static ssize_t (*ucma_cmd_table[])(struct ucma_file *file,
[RDMA_USER_CM_CMD_LEAVE_MCAST] = ucma_leave_multicast, [RDMA_USER_CM_CMD_LEAVE_MCAST] = ucma_leave_multicast,
[RDMA_USER_CM_CMD_MIGRATE_ID] = ucma_migrate_id, [RDMA_USER_CM_CMD_MIGRATE_ID] = ucma_migrate_id,
[RDMA_USER_CM_CMD_QUERY] = ucma_query, [RDMA_USER_CM_CMD_QUERY] = ucma_query,
[RDMA_USER_CM_CMD_BIND] = ucma_bind [RDMA_USER_CM_CMD_BIND] = ucma_bind,
[RDMA_USER_CM_CMD_RESOLVE_ADDR] = ucma_resolve_addr
}; };
static ssize_t ucma_write(struct file *filp, const char __user *buf, static ssize_t ucma_write(struct file *filp, const char __user *buf,
......
...@@ -63,7 +63,8 @@ enum { ...@@ -63,7 +63,8 @@ enum {
RDMA_USER_CM_CMD_LEAVE_MCAST, RDMA_USER_CM_CMD_LEAVE_MCAST,
RDMA_USER_CM_CMD_MIGRATE_ID, RDMA_USER_CM_CMD_MIGRATE_ID,
RDMA_USER_CM_CMD_QUERY, RDMA_USER_CM_CMD_QUERY,
RDMA_USER_CM_CMD_BIND RDMA_USER_CM_CMD_BIND,
RDMA_USER_CM_CMD_RESOLVE_ADDR
}; };
/* /*
...@@ -117,6 +118,16 @@ struct rdma_ucm_resolve_ip { ...@@ -117,6 +118,16 @@ struct rdma_ucm_resolve_ip {
__u32 timeout_ms; __u32 timeout_ms;
}; };
struct rdma_ucm_resolve_addr {
__u32 id;
__u32 timeout_ms;
__u16 src_size;
__u16 dst_size;
__u32 reserved;
struct sockaddr_storage src_addr;
struct sockaddr_storage dst_addr;
};
struct rdma_ucm_resolve_route { struct rdma_ucm_resolve_route {
__u32 id; __u32 id;
__u32 timeout_ms; __u32 timeout_ms;
......
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