svn commit: r348771 - head/sys/dev/cxgbe

[Navdeep Parhar]

Author: np
Date: Fri Jun  7 05:03:03 2019
New Revision: 348771
URL: https://svnweb.freebsd.org/changeset/base/348771

Log:
  cxgbe(4): Rename the DDP sysctl to rx_zcopy to match the tx_zcopy sysctl
  and update its description.  The old name continues to work for now.
  
  Sponsored by:	Chelsio Communications

Modified:
  head/sys/dev/cxgbe/t4_main.c

Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c	Fri Jun  7 04:09:12 2019	(r348770)
+++ head/sys/dev/cxgbe/t4_main.c	Fri Jun  7 05:03:03 2019	(r348771)
@@ -6232,8 +6232,10 @@ t4_sysctls(struct adapter *sc)
 		    &sc->tt.sndbuf, 0, "max hardware send buffer size");
 
 		sc->tt.ddp = 0;
-		SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp", CTLFLAG_RW,
-		    &sc->tt.ddp, 0, "DDP allowed");
+		SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp",
+		    CTLFLAG_RW | CTLFLAG_SKIP, &sc->tt.ddp, 0, "");
+		SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_zcopy", CTLFLAG_RW,
+		    &sc->tt.ddp, 0, "Enable zero-copy aio_read(2)");
 
 		sc->tt.rx_coalesce = 1;
 		SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_coalesce",