path: root/include
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authorIsmail, Mustafa <mustafa.ismail@intel.com>2017-06-28 09:02:45 -0500
committerLeon Romanovsky <leon@kernel.org>2017-08-09 16:08:27 +0300
commit9047811b776ce09ba06623dd2a846cc501f0065b (patch)
treeba825bb42162e4ef38a3db80fb1216b70d392290 /include
parent913cc67159bc85a96d94df301ca39c1b2c540dca (diff)
RDMA/core: Add wait/retry version of ibnl_unicast
Add a wait/retry version of ibnl_unicast, ibnl_unicast_wait, and modify ibnl_unicast to not wait/retry. This eliminates the undesirable wait for future users of ibnl_unicast. Change Portmapper calls originating from kernel to user-space to use ibnl_unicast_wait and take advantage of the wait/retry logic in netlink_unicast. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include')
1 files changed, 10 insertions, 0 deletions
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index 348c102cb5f6..5b1466770917 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -64,6 +64,16 @@ int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh,
__u32 pid);
+ * Send, with wait/1 retry, the supplied skb to a specific userspace PID.
+ * @skb: The netlink skb
+ * @nlh: Header of the netlink message to send
+ * @pid: Userspace netlink process ID
+ * Returns 0 on success or a negative error code.
+ */
+int ibnl_unicast_wait(struct sk_buff *skb, struct nlmsghdr *nlh,
+ __u32 pid);
* Send the supplied skb to a netlink group.
* @skb: The netlink skb
* @nlh: Header of the netlink message to send

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