Module Name: src
Committed By: nisimura
Date: Sun Mar 22 00:14:16 UTC 2020
Modified Files:
src/sys/arch/arm/sociox: if_ave.c
Log Message:
improve comments
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/arm/sociox/if_ave.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/arch/arm/sociox/if_ave.c
diff -u src/sys/arch/arm/sociox/if_ave.c:1.9 src/sys/arch/arm/sociox/if_ave.c:1.10
--- src/sys/arch/arm/sociox/if_ave.c:1.9 Sun Mar 22 00:05:17 2020
+++ src/sys/arch/arm/sociox/if_ave.c Sun Mar 22 00:14:16 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: if_ave.c,v 1.9 2020/03/22 00:05:17 nisimura Exp $ */
+/* $NetBSD: if_ave.c,v 1.10 2020/03/22 00:14:16 nisimura Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ave.c,v 1.9 2020/03/22 00:05:17 nisimura Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ave.c,v 1.10 2020/03/22 00:14:16 nisimura Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -82,13 +82,13 @@ __KERNEL_RCSID(0, "$NetBSD: if_ave.c,v 1
#define GISR_RXDROP (1U<<6) /* PAUSE frame has been dropped */
#define GISR_RXIT (1U<<5) /* receive itimer notify */
#define AVETXC 0x200 /* transmit control */
-#define TXC_FCE (1U<<18) /* enable Tx flow control */
+#define TXC_FCE (1U<<18) /* generate PAUSE to moderate Rx lvl */
#define TXC_SPD1000 (1U<<17) /* use 1000Mbps */
#define TXC_SPD100 (1U<<16) /* use 100Mbps */
#define AVERXC 0x204 /* receive control */
#define RXC_EN (1U<<30) /* enable receive circuit */
#define RXC_USEFDX (1U<<22) /* use full-duplex */
-#define RXC_FCE (1U<<21) /* enable Rx flow control */
+#define RXC_FCE (1U<<21) /* accept PAUSE to throttle Tx */
#define RXC_AFE (1U<<19) /* use address filter (!promisc) */
#define RXC_DRPEN (1U<<18) /* drop receiving PAUSE frames */
/* RXC 15:0 max frame length to accept */
@@ -287,7 +287,7 @@ static int add_rxbuf(struct ave_softc *,
bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (off), (val))
static const struct of_compat_data compat_data[] = {
- { "socionext,unifier-ld20-ave4", 64 },
+ { "socionext,unifier-ld20-ave4", 64 }, /* XXX only this for now */
{ "socionext,unifier-pro4-ave4", 32 },
{ "socionext,unifier-pxs2-ave4", 32 },
{ "socionext,unifier-ld11-ave4", 32 },
