Add support for SCTP checksum offloading for the 82580 controller

similar to the 82576 controller.
Tested with Intel i340 cards.

Reviewed by:	erj@
MFC after:	1 week

diff --git a/sys/dev/e1000/if_igb.c b/sys/dev/e1000/if_igb.c
index 696fec41a264a2d1ce53a8feb98d56cce5c6d146..3fc1c1f727b26031eb18369e29c1670ba5a57a29 100644 (file)
--- a/sys/dev/e1000/if_igb.c
+++ b/sys/dev/e1000/if_igb.c
@@ -1258,7 +1258,8 @@ igb_init_locked(struct adapter *adapter)
        if (ifp->if_capenable & IFCAP_TXCSUM) {
                ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP);
 #if __FreeBSD_version >= 800000
-               if (adapter->hw.mac.type == e1000_82576)
+               if ((adapter->hw.mac.type == e1000_82576) ||
+                   (adapter->hw.mac.type == e1000_82580))
                        ifp->if_hwassist |= CSUM_SCTP;
 #endif
        }
@@ -4681,8 +4682,9 @@ igb_initialize_receive_units(struct adapter *adapter)
                rxcsum |= E1000_RXCSUM_PCSD;
 #if __FreeBSD_version >= 800000
                /* For SCTP Offload */
-               if ((hw->mac.type == e1000_82576)
-                   && (ifp->if_capenable & IFCAP_RXCSUM))
+               if (((hw->mac.type == e1000_82576) ||
+                    (hw->mac.type == e1000_82580)) &&
+                   (ifp->if_capenable & IFCAP_RXCSUM))
                        rxcsum |= E1000_RXCSUM_CRCOFL;
 #endif
        } else {
@@ -4690,7 +4692,8 @@ igb_initialize_receive_units(struct adapter *adapter)
                if (ifp->if_capenable & IFCAP_RXCSUM) {
                        rxcsum |= E1000_RXCSUM_IPPCSE;
 #if __FreeBSD_version >= 800000
-                       if (adapter->hw.mac.type == e1000_82576)
+                       if ((adapter->hw.mac.type == e1000_82576) ||
+                           (adapter->hw.mac.type == e1000_82580))
                                rxcsum |= E1000_RXCSUM_CRCOFL;
 #endif
                } else