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authorJan Engelhardt <jengelh@medozas.de>2009-08-04 07:28:28 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-05 13:02:56 -0700
commit49c794e94649020248e37b78db16cd25bad38b4f (patch)
tree76c455522d37fa0fa88c7466bb494523cb320fab /arch/alpha/include/asm
parentc1c00ab8626298ac784ea344bf10e94b5bd9bcb5 (diff)
net: implement a SO_PROTOCOL getsockoption
Similar to SO_TYPE returning the socket type, SO_PROTOCOL allows to retrieve the protocol used with a given socket. I am not quite sure why we have that-many copies of socket.h, and why the values are not the same on all arches either, but for where hex numbers dominate, I use 0x1029 for SO_PROTOCOL as that seems to be the next free unused number across a bunch of operating systems, or so Google results make me want to believe. SO_PROTOCOL for others just uses the next free Linux number, 38. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/alpha/include/asm')
-rw-r--r--arch/alpha/include/asm/socket.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h
index 3641ec1452f..2f8b4d37774 100644
--- a/arch/alpha/include/asm/socket.h
+++ b/arch/alpha/include/asm/socket.h
@@ -32,6 +32,7 @@
#define SO_RCVTIMEO 0x1012
#define SO_SNDTIMEO 0x1013
#define SO_ACCEPTCONN 0x1014
+#define SO_PROTOCOL 0x1028
/* linux-specific, might as well be the same as on i386 */
#define SO_NO_CHECK 11