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-rw-r--r--arch/alpha/include/uapi/asm/socket.h2
-rw-r--r--arch/avr32/include/uapi/asm/socket.h2
-rw-r--r--arch/frv/include/uapi/asm/socket.h2
-rw-r--r--arch/ia64/include/uapi/asm/socket.h2
-rw-r--r--arch/m32r/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/include/uapi/asm/socket.h2
-rw-r--r--arch/mn10300/include/uapi/asm/socket.h2
-rw-r--r--arch/parisc/include/uapi/asm/socket.h2
-rw-r--r--arch/powerpc/include/uapi/asm/socket.h2
-rw-r--r--arch/s390/include/uapi/asm/socket.h2
-rw-r--r--arch/sparc/include/uapi/asm/socket.h2
-rw-r--r--arch/xtensa/include/uapi/asm/socket.h2
-rw-r--r--include/uapi/asm-generic/socket.h2
-rw-r--r--net/core/sock.c4
14 files changed, 30 insertions, 0 deletions
diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h
index c5fb9e6bc3a51d..9e46d6e656d978 100644
--- a/arch/alpha/include/uapi/asm/socket.h
+++ b/arch/alpha/include/uapi/asm/socket.h
@@ -95,4 +95,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/avr32/include/uapi/asm/socket.h b/arch/avr32/include/uapi/asm/socket.h
index 9de0796240a001..1fd147f09a3805 100644
--- a/arch/avr32/include/uapi/asm/socket.h
+++ b/arch/avr32/include/uapi/asm/socket.h
@@ -88,4 +88,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _UAPI__ASM_AVR32_SOCKET_H */
diff --git a/arch/frv/include/uapi/asm/socket.h b/arch/frv/include/uapi/asm/socket.h
index f02e4849ae838f..afbc98f02d278d 100644
--- a/arch/frv/include/uapi/asm/socket.h
+++ b/arch/frv/include/uapi/asm/socket.h
@@ -88,5 +88,7 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/ia64/include/uapi/asm/socket.h b/arch/ia64/include/uapi/asm/socket.h
index bce29166de1bfa..0018fad9039f4b 100644
--- a/arch/ia64/include/uapi/asm/socket.h
+++ b/arch/ia64/include/uapi/asm/socket.h
@@ -97,4 +97,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/m32r/include/uapi/asm/socket.h b/arch/m32r/include/uapi/asm/socket.h
index 14aa4a6bccf125..5fe42fc7b6c5dd 100644
--- a/arch/m32r/include/uapi/asm/socket.h
+++ b/arch/m32r/include/uapi/asm/socket.h
@@ -88,4 +88,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _ASM_M32R_SOCKET_H */
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index 5910fe294e932d..2027240aafbb84 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -106,4 +106,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/mn10300/include/uapi/asm/socket.h b/arch/mn10300/include/uapi/asm/socket.h
index 58b1aa01ab9f14..5129f23a9ee100 100644
--- a/arch/mn10300/include/uapi/asm/socket.h
+++ b/arch/mn10300/include/uapi/asm/socket.h
@@ -88,4 +88,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h
index f9cf1223422ce6..9c935d717df94c 100644
--- a/arch/parisc/include/uapi/asm/socket.h
+++ b/arch/parisc/include/uapi/asm/socket.h
@@ -87,4 +87,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 0x402C
#define SO_ATTACH_REUSEPORT_EBPF 0x402D
+#define SO_CNX_ADVICE 0x402E
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/powerpc/include/uapi/asm/socket.h b/arch/powerpc/include/uapi/asm/socket.h
index dd54f28ecdeca2..1672e3398270bf 100644
--- a/arch/powerpc/include/uapi/asm/socket.h
+++ b/arch/powerpc/include/uapi/asm/socket.h
@@ -95,4 +95,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _ASM_POWERPC_SOCKET_H */
diff --git a/arch/s390/include/uapi/asm/socket.h b/arch/s390/include/uapi/asm/socket.h
index d02e89d14fefe4..41b51c2f4f1ba9 100644
--- a/arch/s390/include/uapi/asm/socket.h
+++ b/arch/s390/include/uapi/asm/socket.h
@@ -94,4 +94,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h
index d270ee91968e50..31aede3af08803 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -84,6 +84,8 @@
#define SO_ATTACH_REUSEPORT_CBPF 0x0035
#define SO_ATTACH_REUSEPORT_EBPF 0x0036
+#define SO_CNX_ADVICE 0x0037
+
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002
diff --git a/arch/xtensa/include/uapi/asm/socket.h b/arch/xtensa/include/uapi/asm/socket.h
index fd3b96d1153fdf..81435d995e1183 100644
--- a/arch/xtensa/include/uapi/asm/socket.h
+++ b/arch/xtensa/include/uapi/asm/socket.h
@@ -99,4 +99,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* _XTENSA_SOCKET_H */
diff --git a/include/uapi/asm-generic/socket.h b/include/uapi/asm-generic/socket.h
index fb8a416683828e..67d632f1743ddd 100644
--- a/include/uapi/asm-generic/socket.h
+++ b/include/uapi/asm-generic/socket.h
@@ -90,4 +90,6 @@
#define SO_ATTACH_REUSEPORT_CBPF 51
#define SO_ATTACH_REUSEPORT_EBPF 52
+#define SO_CNX_ADVICE 53
+
#endif /* __ASM_GENERIC_SOCKET_H */
diff --git a/net/core/sock.c b/net/core/sock.c
index 46dc8ad7d0501d..4493ff820c2c0a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -987,6 +987,10 @@ set_rcvbuf:
sk->sk_incoming_cpu = val;
break;
+ case SO_CNX_ADVICE:
+ if (val == 1)
+ dst_negative_advice(sk);
+ break;
default:
ret = -ENOPROTOOPT;
break;
generated by cgit 1.2.3-korg (git 2.43.0) at 2025-12-03 05:54:25 +0000