Add a reference to the AF_ALG protocol accessible via socket(2).
Signed-off-by: Stephan Mueller <stephan.mueller@xxxxxxxxx>
CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---
man2/socket.2 | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/man2/socket.2 b/man2/socket.2
index 229dab3..8885079 100644
--- a/man2/socket.2
+++ b/man2/socket.2
@@ -116,6 +116,11 @@ Low level packet interface
T}:T{
.BR packet (7)
T}
+T{
+.B AF_ALG
+T}:T{
+Interface to kernel crypto API
+T}
.TE
.PP
The socket has the indicated
@@ -378,6 +383,12 @@ families.
However, already the BSD man page promises: "The protocol
family generally is the same as the address family", and subsequent
standards use AF_* everywhere.
+
+The AF_ALG protocol type is added with kernel version 2.6.38. More
+information on this interface is provided with
+Documentation/crypto/crypto-API-userspace.txt provided in the
+Linux kernel source code tree.
+
.SH EXAMPLE
An example of the use of
.BR socket ()
--
2.1.0
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