From 9047811b776ce09ba06623dd2a846cc501f0065b Mon Sep 17 00:00:00 2001 From: "Ismail, Mustafa" Date: Wed, 28 Jun 2017 09:02:45 -0500 Subject: 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 Signed-off-by: Chien Tin Tung Signed-off-by: Leon Romanovsky --- include/rdma/rdma_netlink.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/rdma') 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 @@ -63,6 +63,16 @@ int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh, 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 -- cgit v1.2.3