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New getsockopt option to get socket cookie

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Introduce a new getsockopt operation to retrieve the socket cookie
for a specific socket based on the socket fd.  It returns a unique
non-decreasing cookie for each socket.
Tested: https://android-review.googlesource.com/#/c/358163/

Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Chenbo Feng <fengc@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chenbo Feng
2017-04-05 19:00:55 -07:00
committed by David S. Miller
parent c42cb98cfd
commit 5daab9db7b
14 changed files with 34 additions and 0 deletions
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arch/sparc/include/uapi/asm/socket.h
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@@ -92,6 +92,8 @@
#define SO_INCOMING_NAPI_ID 0x003a
#define SO_COOKIE 0x003b
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002