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Commit 3fe100ef authored by Chenbo Feng's avatar Chenbo Feng
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BACKPORT [FROMLIST] New getsockopt option to get socket cookie 

Cherry-pick from linux net-next branch commit
http://patchwork.ozlabs.org/patch/747590/

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/



Test: Unit test added in kernel/tests

Acked-by: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarChenbo Feng <fengc@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a5d371cd

arch/alpha/include/uapi/asm/socket.h

+2 −0
Original line number Diff line number Diff line
@@ -97,4 +97,6 @@ 


#define SO_CNX_ADVICE		53



#define SO_COOKIE		57



#endif /* _UAPI_ASM_SOCKET_H */

arch/avr32/include/uapi/asm/socket.h

+2 −0
Original line number Diff line number Diff line
@@ -90,4 +90,6 @@ 


#define SO_CNX_ADVICE		53



#define SO_COOKIE		57



#endif /* _UAPI__ASM_AVR32_SOCKET_H */

arch/frv/include/uapi/asm/socket.h

+2 −0
Original line number Diff line number Diff line
@@ -90,5 +90,7 @@ 


#define SO_CNX_ADVICE		53



#define SO_COOKIE		57



#endif /* _ASM_SOCKET_H */

arch/ia64/include/uapi/asm/socket.h

+2 −0
Original line number Diff line number Diff line
@@ -99,4 +99,6 @@ 


#define SO_CNX_ADVICE		53



#define SO_COOKIE		57



#endif /* _ASM_IA64_SOCKET_H */

arch/m32r/include/uapi/asm/socket.h

+2 −0
Original line number Diff line number Diff line
@@ -90,4 +90,6 @@ 


#define SO_CNX_ADVICE		53



#define SO_COOKIE		57



#endif /* _ASM_M32R_SOCKET_H */