kernel: IFCAP_TSO is really IPv4-specific

* Rename IFCAP_TSO to IFCAP_TSO4 to make things crystal clear, keeping
  the old name for compatibility

* Add IFCAP_TSO6 for the future

diff --git a/sys/net/if.h b/sys/net/if.h
index e0a890a..efd2114 100644 (file)
--- a/sys/net/if.h
+++ b/sys/net/if.h
@@ -162,7 +162,9 @@ struct if_data {
 #define IFCAP_JUMBO_MTU                0x00020 /* 9000 byte MTU support */
 #define IFCAP_RSS              0x00040 /* Receive Side Scaling for IPv4 */
 #define IFCAP_VLAN_HWCSUM      0x00080 /* can do IFCAP_HWCSUM on VLANs */
-#define IFCAP_TSO              0x00100 /* can offload TCP segementation */
+#define IFCAP_TSO4             0x00100 /* can offload TCP segmentation */
+#define IFCAP_TSO              IFCAP_TSO4
+#define IFCAP_TSO6             0x00200 /* can offload TCP6 segmentation */
 
 #define IFCAP_HWCSUM   (IFCAP_RXCSUM | IFCAP_TXCSUM)