Module Name: src
Committed By: nisimura
Date: Sat Feb 29 04:27:53 UTC 2020
Modified Files:
src/sys/dev/usb: if_axe.c
Log Message:
add comments to show the RX filter intent
To generate a diff of this commit:
cvs rdiff -u -r1.125 -r1.126 src/sys/dev/usb/if_axe.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/usb/if_axe.c
diff -u src/sys/dev/usb/if_axe.c:1.125 src/sys/dev/usb/if_axe.c:1.126
--- src/sys/dev/usb/if_axe.c:1.125 Sat Feb 29 04:02:06 2020
+++ src/sys/dev/usb/if_axe.c Sat Feb 29 04:27:53 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: if_axe.c,v 1.125 2020/02/29 04:02:06 nisimura Exp $ */
+/* $NetBSD: if_axe.c,v 1.126 2020/02/29 04:27:53 nisimura Exp $ */
/* $OpenBSD: if_axe.c,v 1.137 2016/04/13 11:03:37 mpi Exp $ */
/*
@@ -87,7 +87,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_axe.c,v 1.125 2020/02/29 04:02:06 nisimura Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_axe.c,v 1.126 2020/02/29 04:27:53 nisimura Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@@ -475,15 +475,15 @@ axe_setiff_locked(struct usbnet *un)
}
ETHER_UNLOCK(ec);
- rxmode |= AXE_RXCMD_MULTICAST;
+ rxmode |= AXE_RXCMD_MULTICAST; /* activate mcast hash filter */
axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, hashtbl);
axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL);
return;
allmulti:
if (ifp->if_flags & IFF_PROMISC)
- rxmode |= AXE_RXCMD_PROMISC;
- rxmode |= AXE_RXCMD_ALLMULTI;
+ rxmode |= AXE_RXCMD_PROMISC; /* run promisc. mode */
+ rxmode |= AXE_RXCMD_ALLMULTI; /* accept all mcast frames */
axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL);
}
