svn commit: r217381 - head/sys/dev/re

Pyun YongHyeon yongari at FreeBSD.org
Thu Jan 13 22:49:11 UTC 2011


Author: yongari
Date: Thu Jan 13 22:49:10 2011
New Revision: 217381
URL: http://svn.freebsd.org/changeset/base/217381

Log:
  Allow TX/RX checksum offloading to be configured independently.

Modified:
  head/sys/dev/re/if_re.c

Modified: head/sys/dev/re/if_re.c
==============================================================================
--- head/sys/dev/re/if_re.c	Thu Jan 13 21:53:51 2011	(r217380)
+++ head/sys/dev/re/if_re.c	Thu Jan 13 22:49:10 2011	(r217381)
@@ -2923,14 +2923,20 @@ re_ioctl(struct ifnet *ifp, u_long comma
 			}
 		}
 #endif /* DEVICE_POLLING */
-		if (mask & IFCAP_HWCSUM) {
-			ifp->if_capenable ^= IFCAP_HWCSUM;
-			if (ifp->if_capenable & IFCAP_TXCSUM)
+		if ((mask & IFCAP_TXCSUM) != 0 &&
+		    (ifp->if_capabilities & IFCAP_TXCSUM) != 0) {
+			ifp->if_capenable ^= IFCAP_TXCSUM;
+			if ((ifp->if_capenable & IFCAP_TXCSUM) != 0)
 				ifp->if_hwassist |= RE_CSUM_FEATURES;
 			else
 				ifp->if_hwassist &= ~RE_CSUM_FEATURES;
 			reinit = 1;
 		}
+		if ((mask & IFCAP_RXCSUM) != 0 &&
+		    (ifp->if_capabilities & IFCAP_RXCSUM) != 0) {
+			ifp->if_capenable ^= IFCAP_RXCSUM;
+			reinit = 1;
+		}
 		if ((mask & IFCAP_TSO4) != 0 &&
 		    (ifp->if_capabilities & IFCAP_TSO) != 0) {
 			ifp->if_capenable ^= IFCAP_TSO4;


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