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-rw-r--r--include/linux/skbuff.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 8dc8257..a2b9953 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -94,6 +94,13 @@
* about CHECKSUM_UNNECESSARY. 8)
* NETIF_F_IPV6_CSUM about as dumb as the last one but does IPv6 instead.
*
+ * UNNECESSARY: device will do per protocol specific csum. Protocol drivers
+ * that do not want net to perform the checksum calculation should use
+ * this flag in their outgoing skbs.
+ * NETIF_F_FCOE_CRC this indicates the device can do FCoE FC CRC
+ * offload. Correspondingly, the FCoE protocol driver
+ * stack should use CHECKSUM_UNNECESSARY.
+ *
* Any questions? No questions, good. --ANK
*/