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authorAuke Kok <auke-jan.h.kok@intel.com>2007-05-15 15:29:16 -0700
committerJeff Garzik <jeff@garzik.org>2007-05-21 19:41:19 -0400
commit2053ed02a62f2c66d9cb9b51aea0836a7d8dbabf (patch)
treefa2c622e1be49b0ab653a99928ba9fbdd227de43
parentf1e9a4eaea5c22cfb557e58a8cd0ca3bde5160a5 (diff)
Add constant for FCS/CRC length (frame check sequence)
About a dozen drivers that have some form of crc checksumming or offloading use this constant, warranting a global define for it. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--include/linux/if_ether.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 1db774cf9dc..3213f6f4aa5 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -33,6 +33,7 @@
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
+#define ETH_FCS_LEN 4 /* Octets in the FCS */
/*
* These are the defined Ethernet Protocol ID's.