1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 8dc8257eab8b..a2b9953b582d 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
  */