[PATCH liburing 1/4] liburing: Introduce getsockname operation

[Gabriel Krisman Bertazi <krisman@suse.de>]

This implements the functionality of getsockname(2) and getpeername(2)
under a single operation.

Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
---
 src/include/liburing.h          | 12 ++++++++++++
 src/include/liburing/io_uring.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/src/include/liburing.h b/src/include/liburing.h
index 83819eb7..77b0a135 100644
--- a/src/include/liburing.h
+++ b/src/include/liburing.h
@@ -1572,6 +1572,18 @@ IOURINGINLINE void io_uring_prep_cmd_sock(struct io_uring_sqe *sqe,
 	sqe->level = level;
 }
 
+IOURINGINLINE void io_uring_prep_cmd_getsockname(struct io_uring_sqe *sqe,
+						 int fd, struct sockaddr *sockaddr,
+						 socklen_t *sockaddr_len,
+						 int peer)
+	LIBURING_NOEXCEPT
+{
+	io_uring_prep_rw(IORING_OP_URING_CMD, sqe, fd, sockaddr, 0, 0);
+	sqe->cmd_op = SOCKET_URING_OP_GETSOCKNAME;
+	sqe->addr3 = (unsigned long) (uintptr_t) sockaddr_len;
+	sqe->optlen = peer;
+}
+
 IOURINGINLINE void io_uring_prep_waitid(struct io_uring_sqe *sqe,
 					idtype_t idtype,
 					id_t id,
diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h
index 44ce8229..365f0584 100644
--- a/src/include/liburing/io_uring.h
+++ b/src/include/liburing/io_uring.h
@@ -950,6 +950,7 @@ enum io_uring_socket_op {
 	SOCKET_URING_OP_GETSOCKOPT,
 	SOCKET_URING_OP_SETSOCKOPT,
 	SOCKET_URING_OP_TX_TIMESTAMP,
+	SOCKET_URING_OP_GETSOCKNAME,
 };
 
 /*
-- 
2.51.0