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 16449d330da..dcb221a4b5b 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 d958c74e526..6433cadb6ed 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 30078f98b3a..a473f8c6a9a 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 048aba64600..ae52825021a 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 7a361810f3c..a5b1d7dbb20 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 e7bbfcee5b9..ec4554e7b04 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 ced62de9d5a..41fc28a4a18 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 696cb4c7ca4..a15f40b5278 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 e8b41a6775f..d1be684edf9 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 52104872e9e..a2ed6fdad4e 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 013fcc51698..820463a484b 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 f717c9bec16..1b52c2c31a7 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 fe1c0b478fd..3d5179bb122 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 581702fa1b0..c91b720965c 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 68e2e2746f6..bea1568ae4a 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 74818b16136..e36c6818492 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 */