net: Add framework to allow sending packets with customized CRC.

This is useful for testing RX handling of frames with bad
CRCs.

Requires driver support to actually put the packet on the
wire properly.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

16 files changed, 50 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h
index 16449d3..dcb221a 100644
--- a/arch/alpha/include/asm/socket.h
+++ b/arch/alpha/include/asm/socket.h
@@ -73,6 +73,9 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 /* O_NONBLOCK clashes with the bits used for socket types.  Therefore we
  * have to define SOCK_NONBLOCK to a different value here.
  */
diff --git a/arch/arm/include/asm/socket.h b/arch/arm/include/asm/socket.h
index d958c74..6433cad 100644
--- a/arch/arm/include/asm/socket.h
+++ b/arch/arm/include/asm/socket.h
@@ -66,4 +66,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/avr32/include/asm/socket.h b/arch/avr32/include/asm/socket.h
index 30078f9..a473f8c 100644
--- a/arch/avr32/include/asm/socket.h
+++ b/arch/avr32/include/asm/socket.h
@@ -66,4 +66,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* __ASM_AVR32_SOCKET_H */
diff --git a/arch/cris/include/asm/socket.h b/arch/cris/include/asm/socket.h
index 048aba6..ae52825 100644
--- a/arch/cris/include/asm/socket.h
+++ b/arch/cris/include/asm/socket.h
@@ -68,6 +68,9 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
 
 
diff --git a/arch/frv/include/asm/socket.h b/arch/frv/include/asm/socket.h
index 7a361810f3..a5b1d7d 100644
--- a/arch/frv/include/asm/socket.h
+++ b/arch/frv/include/asm/socket.h
@@ -66,5 +66,8 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
 
diff --git a/arch/h8300/include/asm/socket.h b/arch/h8300/include/asm/socket.h
index e7bbfce..ec4554e 100644
--- a/arch/h8300/include/asm/socket.h
+++ b/arch/h8300/include/asm/socket.h
@@ -66,4 +66,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/asm/socket.h
index ced62de..41fc28a 100644
--- a/arch/ia64/include/asm/socket.h
+++ b/arch/ia64/include/asm/socket.h
@@ -75,4 +75,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/m32r/include/asm/socket.h b/arch/m32r/include/asm/socket.h
index 696cb4c..a15f40b 100644
--- a/arch/m32r/include/asm/socket.h
+++ b/arch/m32r/include/asm/socket.h
@@ -66,4 +66,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_M32R_SOCKET_H */
diff --git a/arch/m68k/include/asm/socket.h b/arch/m68k/include/asm/socket.h
index e8b41a6..d1be684 100644
--- a/arch/m68k/include/asm/socket.h
+++ b/arch/m68k/include/asm/socket.h
@@ -66,4 +66,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/mips/include/asm/socket.h b/arch/mips/include/asm/socket.h
index 5210487..a2ed6fd 100644
--- a/arch/mips/include/asm/socket.h
+++ b/arch/mips/include/asm/socket.h
@@ -86,6 +86,9 @@ To add: #define SO_REUSEPORT 0x0200	/* Allow local address and port reuse.  */
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #ifdef __KERNEL__
 
 /** sock_type - Socket types
diff --git a/arch/mn10300/include/asm/socket.h b/arch/mn10300/include/asm/socket.h
index 013fcc5..820463a 100644
--- a/arch/mn10300/include/asm/socket.h
+++ b/arch/mn10300/include/asm/socket.h
@@ -66,4 +66,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h
index f717c9b..1b52c2c 100644
--- a/arch/parisc/include/asm/socket.h
+++ b/arch/parisc/include/asm/socket.h
@@ -65,6 +65,10 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		0x4023
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		0x4024
+
+
 /* O_NONBLOCK clashes with the bits used for socket types.  Therefore we
  * have to define SOCK_NONBLOCK to a different value here.
  */
diff --git a/arch/powerpc/include/asm/socket.h b/arch/powerpc/include/asm/socket.h
index fe1c0b4..3d5179b 100644
--- a/arch/powerpc/include/asm/socket.h
+++ b/arch/powerpc/include/asm/socket.h
@@ -73,4 +73,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif	/* _ASM_POWERPC_SOCKET_H */
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h
index 581702f..c91b720 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/asm/socket.h
@@ -74,4 +74,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h
index 68e2e27..bea1568 100644
--- a/arch/sparc/include/asm/socket.h
+++ b/arch/sparc/include/asm/socket.h
@@ -62,6 +62,10 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		0x0026
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		0x0027
+
+
 /* 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/asm/socket.h b/arch/xtensa/include/asm/socket.h
index 74818b1..e36c681 100644
--- a/arch/xtensa/include/asm/socket.h
+++ b/arch/xtensa/include/asm/socket.h
@@ -77,4 +77,7 @@
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
 #define SO_PEEK_OFF		42
 
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
+
 #endif	/* _XTENSA_SOCKET_H */