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[src/trunk]: src/sys/arch/arm/sociox - move sc_flowflags = 0 line at earlier ...
details: https://anonhg.NetBSD.org/src/rev/c86cb73b8189
branches: trunk
changeset: 746098:c86cb73b8189
user: nisimura <nisimura%NetBSD.org@localhost>
date: Sun Mar 22 00:05:17 2020 +0000
description:
- move sc_flowflags = 0 line at earlier place.
- handle a set of speed selection operations.
diffstat:
sys/arch/arm/sociox/if_ave.c | 78 +++++++++++++++++++++----------------------
1 files changed, 38 insertions(+), 40 deletions(-)
diffs (162 lines):
diff -r fda82a2c5188 -r c86cb73b8189 sys/arch/arm/sociox/if_ave.c
--- a/sys/arch/arm/sociox/if_ave.c Sat Mar 21 23:25:53 2020 +0000
+++ b/sys/arch/arm/sociox/if_ave.c Sun Mar 22 00:05:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_ave.c,v 1.8 2020/03/21 11:46:36 nisimura Exp $ */
+/* $NetBSD: if_ave.c,v 1.9 2020/03/22 00:05:17 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 1.8 2020/03/21 11:46:36 nisimura Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ave.c,v 1.9 2020/03/22 00:05:17 nisimura Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -387,6 +387,9 @@
aprint_normal_dev(self,
"Ethernet address %s\n", ether_sprintf(enaddr));
+ sc->sc_flowflags = 0;
+ sc->sc_rxc = 0;
+
mii->mii_ifp = ifp;
mii->mii_readreg = mii_readreg;
mii->mii_writereg = mii_writereg;
@@ -414,9 +417,6 @@
ifp->if_stop = ave_stop;
IFQ_SET_READY(&ifp->if_snd);
- sc->sc_flowflags = 0;
- sc->sc_rxc = 0;
-
sc->sc_ethercom.ec_capabilities = ETHERCAP_VLAN_MTU;
ifp->if_capabilities = IFCAP_CSUM_IPv4_Tx | IFCAP_CSUM_IPv4_Rx;
@@ -531,8 +531,12 @@
sc->sc_txd32 = (void *)((uintptr_t)sc->sc_sh + AVE32TDB);
sc->sc_rxd32 = (void *)((uintptr_t)sc->sc_sh + AVE32RDB);
- /* build sane and loaded Tx/Rx descriptors */
- memset(sc->sc_txdescs, 0, sizeof(struct tdes)*AVE_NTXDESC);
+ /* build sane Tx and loaded Rx descriptors */
+ for (i = 0; i < AVE_NTXDESC; i++) {
+ struct tdes *tdes = &sc->sc_txdescs[i];
+ tdes->t2 = tdes->t1 = 0;
+ tdes->t0 = T0_OWN;
+ }
for (i = 0; i < AVE_NRXDESC; i++)
(void)add_rxbuf(sc, i);
@@ -550,6 +554,8 @@
/* accept multicast frame or run promisc mode */
ave_set_rcvfilt(sc);
+ (void)ave_ifmedia_upd(ifp);
+
csr = CSR_READ(sc, AVECFG);
if (ifp->if_capenable & IFCAP_CSUM_IPv4_Tx) {
sc->sc_t0csum = 0;
@@ -603,7 +609,7 @@
{
struct ave_softc *sc = ifp->if_softc;
struct ifmedia *ifm = &sc->sc_mii.mii_media;
- uint32_t txcr, rxcr;
+ uint32_t txcr, rxcr, csr;
txcr = CSR_READ(sc, AVETXC);
rxcr = CSR_READ(sc, AVERXC);
@@ -615,14 +621,25 @@
; /* advertise flow control pause */
; /* adv. 1000FDX,100FDX,100HDX,10FDX,10HDX */
} else {
+#if 1 /* XXX not sure to belong here XXX */
txcr &= ~(TXC_SPD1000 | TXC_SPD100);
rxcr &= ~RXC_USEFDX;
- if (IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_1000_T)
+ if ((sc->sc_phymode & CFG_MII) == 0 /* RGMII model */
+ && IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_1000_T)
txcr |= TXC_SPD1000;
else if (IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_100_TX)
txcr |= TXC_SPD100;
if (ifm->ifm_media & IFM_FDX)
- rxcr |= RXC_USEFDX;
+ rxcr |= RXC_USEFDX;
+
+ /* adjust LINKSEL when MII/RMII too */
+ if (sc->sc_phymode & CFG_MII) {
+ csr = CSR_READ(sc, AVELINKSEL) &~ LINKSEL_SPD100;;
+ if (IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_100_TX)
+ csr |= LINKSEL_SPD100;
+ CSR_WRITE(sc, AVELINKSEL, csr);
+ }
+#endif
}
sc->sc_rxc = rxcr;
CSR_WRITE(sc, AVETXC, txcr);
@@ -647,10 +664,9 @@
{
struct ave_softc *sc = ifp->if_softc;
struct mii_data *mii = &sc->sc_mii;
- struct ifmedia * const ifm = &mii->mii_media;
- uint32_t txcr, rxcr, csr;
+ uint32_t txcr, rxcr;
- /* get flow control negotiation result */
+ /* Get flow control negotiation result. */
if (IFM_SUBTYPE(mii->mii_media.ifm_cur->ifm_media) == IFM_AUTO &&
(mii->mii_media_active & IFM_ETH_FMASK) != sc->sc_flowflags)
sc->sc_flowflags = mii->mii_media_active & IFM_ETH_FMASK;
@@ -659,32 +675,14 @@
rxcr = CSR_READ(sc, AVERXC);
CSR_WRITE(sc, AVERXC, rxcr &~ RXC_EN); /* stop Rx first */
- /* adjust 802.3x PAUSE flow control */
- if ((mii->mii_media_active & IFM_FDX)
- && (sc->sc_flowflags & IFM_ETH_TXPAUSE))
- txcr |= TXC_FCE;
- else
- txcr &= ~TXC_FCE;
- if ((mii->mii_media_active & IFM_FDX)
- && (sc->sc_flowflags & IFM_ETH_RXPAUSE))
- rxcr |= RXC_FCE;
- else
- rxcr &= ~RXC_FCE;
-
- /* HW does not handle automatic speed adjustment */
- txcr &= ~(TXC_SPD1000 | TXC_SPD100);
- if ((sc->sc_phymode & CFG_MII) == 0 /* RGMII model */
- && IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_1000_T)
- txcr |= TXC_SPD1000;
- else if (IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_100_TX)
- txcr |= TXC_SPD100;
-
- /* adjust LINKSEL when MII/RMII too */
- if (sc->sc_phymode & CFG_MII) {
- csr = CSR_READ(sc, AVELINKSEL) &~ LINKSEL_SPD100;;
- if (IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_100_TX)
- csr |= LINKSEL_SPD100;
- CSR_WRITE(sc, AVELINKSEL, csr);
+ /* Adjust 802.3x PAUSE flow control. */
+ txcr &= ~TXC_FCE;
+ rxcr &= ~RXC_FCE;
+ if (mii->mii_media_active & IFM_FDX) {
+ if (sc->sc_flowflags & IFM_ETH_TXPAUSE)
+ txcr |= TXC_FCE;
+ if (sc->sc_flowflags & IFM_ETH_RXPAUSE)
+ rxcr |= RXC_FCE;
}
sc->sc_rxc = rxcr;
@@ -811,7 +809,7 @@
/* pick v4mcast or v6mcast length */
n = (en[0] == 0x01) ? 3 : (en[0] == 0x33) ? 2 : ETHER_ADDR_LEN;
- /* entry 0 is reserved for promisc mode */
+ /* slot 0 is reserved for promisc mode */
mskbyte0 = (i > 0) ? genmask0(n) : MSKBYTE0;
/* set frame address first */
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