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authorSteve Wise <swise@opengridcomputing.com>2016-10-26 21:36:47 +0200
committerDoug Ledford <dledford@redhat.com>2016-12-14 17:38:28 +0100
commit5f24410408fd093734ce758f2fe3a66fe543de22 (patch)
tree11bc8d9684f5166d5e449c8189257c30e329cc12 /drivers/infiniband
parentrdma_cm: add rdma_is_consumer_reject() helper function (diff)
downloadlinux-5f24410408fd093734ce758f2fe3a66fe543de22.tar.xz
linux-5f24410408fd093734ce758f2fe3a66fe543de22.zip
rdma_cm: add rdma_consumer_reject_data helper function
rdma_consumer_reject_data() will return the private data pointer and length if any is available. Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/cma.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index bd1d4fe47740..8c30e3dedebe 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -128,6 +128,22 @@ bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason)
}
EXPORT_SYMBOL(rdma_is_consumer_reject);
+const void *rdma_consumer_reject_data(struct rdma_cm_id *id,
+ struct rdma_cm_event *ev, u8 *data_len)
+{
+ const void *p;
+
+ if (rdma_is_consumer_reject(id, ev->status)) {
+ *data_len = ev->param.conn.private_data_len;
+ p = ev->param.conn.private_data;
+ } else {
+ *data_len = 0;
+ p = NULL;
+ }
+ return p;
+}
+EXPORT_SYMBOL(rdma_consumer_reject_data);
+
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device, void *client_data);