filter: add XOR operation

Add XOR instruction fo BPF machine. Needed for computing packet hashes. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-31 11:01:20 +00:00
parent 302d663740
commit ffe06c17af
2 changed files with 7 additions and 1 deletions
@@ -126,7 +126,8 @@ struct sock_fprog {	/* Required for SO_ATTACH_FILTER. */
 #define SKF_AD_HATYPE	28
 #define SKF_AD_RXHASH	32
 #define SKF_AD_CPU	36
-#define SKF_AD_MAX	40
+#define SKF_AD_ALU_XOR_X	40
+#define SKF_AD_MAX	44
 #define SKF_NET_OFF   (-0x100000)
 #define SKF_LL_OFF    (-0x200000)

@@ -231,6 +232,7 @@ enum {
 	BPF_S_ANC_HATYPE,
 	BPF_S_ANC_RXHASH,
 	BPF_S_ANC_CPU,
+	BPF_S_ANC_ALU_XOR_X,
 };

 #endif /* __KERNEL__ */