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[src/trunk]: src/sys/dev/usb Make size of transmit/receive queues variable. R...
details: https://anonhg.NetBSD.org/src/rev/8743a5d1dcfa
branches: trunk
changeset: 838878:8743a5d1dcfa
user: mlelstv <mlelstv%NetBSD.org@localhost>
date: Sun Feb 03 13:11:07 2019 +0000
description:
Make size of transmit/receive queues variable. Restrict queue size again
to 1 for LAN7500 as some chips fail.
Read Chip revision register and report value. Maybe we can identify
chisp better now.
diffstat:
sys/dev/usb/if_mue.c | 45 ++++++++++++++++++++++++---------------------
sys/dev/usb/if_muereg.h | 7 ++++++-
sys/dev/usb/if_muevar.h | 6 +++++-
3 files changed, 35 insertions(+), 23 deletions(-)
diffs (200 lines):
diff -r 01fa132acf9a -r 8743a5d1dcfa sys/dev/usb/if_mue.c
--- a/sys/dev/usb/if_mue.c Sun Feb 03 13:01:57 2019 +0000
+++ b/sys/dev/usb/if_mue.c Sun Feb 03 13:11:07 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_mue.c,v 1.30 2019/01/31 05:25:48 rin Exp $ */
+/* $NetBSD: if_mue.c,v 1.31 2019/02/03 13:11:07 mlelstv Exp $ */
/* $OpenBSD: if_mue.c,v 1.3 2018/08/04 16:42:46 jsg Exp $ */
/*
@@ -20,7 +20,7 @@
/* Driver for Microchip LAN7500/LAN7800 chipsets. */
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_mue.c,v 1.30 2019/01/31 05:25:48 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_mue.c,v 1.31 2019/02/03 13:11:07 mlelstv Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@@ -897,6 +897,7 @@
struct mii_data *mii;
struct ifnet *ifp;
usbd_status err;
+ const char *descr;
uint8_t i;
int s;
@@ -932,12 +933,19 @@
sc->mue_product = uaa->uaa_product;
sc->mue_flags = MUE_LOOKUP(uaa)->mue_flags;
+ sc->mue_id_rev = mue_csr_read(sc, MUE_ID_REV);
+
/* Decide on what our bufsize will be. */
- if (sc->mue_flags & LAN7500)
+ if (sc->mue_flags & LAN7500) {
sc->mue_rxbufsz = (sc->mue_udev->ud_speed == USB_SPEED_HIGH) ?
MUE_7500_HS_RX_BUFSIZE : MUE_7500_FS_RX_BUFSIZE;
- else
+ sc->mue_rx_list_cnt = 1;
+ sc->mue_tx_list_cnt = 1;
+ } else {
sc->mue_rxbufsz = MUE_7800_RX_BUFSIZE;
+ sc->mue_rx_list_cnt = MUE_RX_LIST_CNT;
+ sc->mue_tx_list_cnt = MUE_TX_LIST_CNT;
+ }
sc->mue_txbufsz = MUE_TX_BUFSIZE;
/* Find endpoints. */
@@ -974,10 +982,10 @@
}
/* A Microchip chip was detected. Inform the world. */
- if (sc->mue_flags & LAN7500)
- aprint_normal_dev(self, "LAN7500\n");
- else
- aprint_normal_dev(self, "LAN7800\n");
+ descr = (sc->mue_flags & LAN7500) ? "LAN7500" : "LAN7800";
+ aprint_normal_dev(self, "%s id 0x%x rev 0x%x\n", descr,
+ (unsigned)__SHIFTOUT(sc->mue_id_rev, MUE_ID_REV_ID),
+ (unsigned)__SHIFTOUT(sc->mue_id_rev, MUE_ID_REV_REV));
if (mue_get_macaddr(sc, dict)) {
aprint_error_dev(self, "failed to read MAC address\n");
@@ -1125,7 +1133,7 @@
int err;
cd = &sc->mue_cdata;
- for (i = 0; i < __arraycount(cd->mue_rx_chain); i++) {
+ for (i = 0; i < sc->mue_rx_list_cnt; i++) {
c = &cd->mue_rx_chain[i];
c->mue_sc = sc;
c->mue_idx = i;
@@ -1150,7 +1158,7 @@
int err;
cd = &sc->mue_cdata;
- for (i = 0; i < __arraycount(cd->mue_tx_chain); i++) {
+ for (i = 0; i < sc->mue_tx_list_cnt; i++) {
c = &cd->mue_tx_chain[i];
c->mue_sc = sc;
c->mue_idx = i;
@@ -1198,7 +1206,7 @@
size_t i;
/* Start up the receive pipe. */
- for (i = 0; i < __arraycount(sc->mue_cdata.mue_rx_chain); i++) {
+ for (i = 0; i < sc->mue_rx_list_cnt; i++) {
c = &sc->mue_cdata.mue_rx_chain[i];
usbd_setup_xfer(c->mue_xfer, c, c->mue_buf, sc->mue_rxbufsz,
USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, mue_rxeof);
@@ -1461,11 +1469,6 @@
return;
}
- if (__predict_false(!(ifp->if_flags & IFF_RUNNING))) {
- DPRINTF(sc, "not running\n");
- return;
- }
-
if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
DPRINTF(sc, "%s\n", usbd_errstr(status));
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
@@ -1790,7 +1793,7 @@
}
idx = cd->mue_tx_prod;
- while (cd->mue_tx_cnt < MUE_TX_LIST_CNT) {
+ while ((unsigned)cd->mue_tx_cnt < sc->mue_tx_list_cnt) {
IFQ_POLL(&ifp->if_snd, m);
if (m == NULL)
break;
@@ -1804,13 +1807,13 @@
bpf_mtap(ifp, m, BPF_D_OUT);
m_freem(m);
- idx = (idx + 1) % MUE_TX_LIST_CNT;
+ idx = (idx + 1) % sc->mue_tx_list_cnt;
cd->mue_tx_cnt++;
}
cd->mue_tx_prod = idx;
- if (cd->mue_tx_cnt >= MUE_TX_LIST_CNT)
+ if ((unsigned)cd->mue_tx_cnt >= sc->mue_tx_list_cnt)
ifp->if_flags |= IFF_OACTIVE;
/* Set a timeout in case the chip goes out to lunch. */
@@ -1841,7 +1844,7 @@
}
/* Free RX resources. */
- for (i = 0; i < __arraycount(sc->mue_cdata.mue_rx_chain); i++)
+ for (i = 0; i < sc->mue_rx_list_cnt; i++)
if (sc->mue_cdata.mue_rx_chain[i].mue_xfer != NULL) {
usbd_destroy_xfer(
sc->mue_cdata.mue_rx_chain[i].mue_xfer);
@@ -1849,7 +1852,7 @@
}
/* Free TX resources. */
- for (i = 0; i < __arraycount(sc->mue_cdata.mue_tx_chain); i++)
+ for (i = 0; i < sc->mue_tx_list_cnt; i++)
if (sc->mue_cdata.mue_tx_chain[i].mue_xfer != NULL) {
usbd_destroy_xfer(
sc->mue_cdata.mue_tx_chain[i].mue_xfer);
diff -r 01fa132acf9a -r 8743a5d1dcfa sys/dev/usb/if_muereg.h
--- a/sys/dev/usb/if_muereg.h Sun Feb 03 13:01:57 2019 +0000
+++ b/sys/dev/usb/if_muereg.h Sun Feb 03 13:11:07 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_muereg.h,v 1.4 2018/12/11 13:35:02 rin Exp $ */
+/* $NetBSD: if_muereg.h,v 1.5 2019/02/03 13:11:07 mlelstv Exp $ */
/* $OpenBSD: if_muereg.h,v 1.1 2018/08/03 01:50:15 kevlo Exp $ */
/*
@@ -34,6 +34,7 @@
#define MUE_UR_READREG 0xa1
/* registers */
+#define MUE_ID_REV 0x000
#define MUE_INT_STATUS 0x00c
#define MUE_HW_CFG 0x010
#define MUE_PMT_CTL 0x014
@@ -81,6 +82,10 @@
#define MUE_7800_ADDR_FILTX(i) (MUE_7800_ADDR_FILTX_BASE + 8 * (i))
#define MUE_NUM_ADDR_FILTX 33
+/* device ID and revision register */
+#define MUE_ID_REV_ID __BITS(16,31)
+#define MUE_ID_REV_REV __BITS(0,15)
+
/* hardware configuration register */
#define MUE_HW_CFG_SRST 0x00000001
#define MUE_HW_CFG_LRST 0x00000002
diff -r 01fa132acf9a -r 8743a5d1dcfa sys/dev/usb/if_muevar.h
--- a/sys/dev/usb/if_muevar.h Sun Feb 03 13:01:57 2019 +0000
+++ b/sys/dev/usb/if_muevar.h Sun Feb 03 13:11:07 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_muevar.h,v 1.5 2019/01/31 05:25:07 rin Exp $ */
+/* $NetBSD: if_muevar.h,v 1.6 2019/02/03 13:11:07 mlelstv Exp $ */
/* $OpenBSD: if_muereg.h,v 1.1 2018/08/03 01:50:15 kevlo Exp $ */
/*
@@ -111,6 +111,7 @@
uint16_t mue_product;
uint16_t mue_flags;
+ uint32_t mue_id_rev;
int mue_if_flags;
int mue_refcnt;
@@ -121,6 +122,9 @@
uint32_t mue_rxbufsz;
uint32_t mue_txbufsz;
int mue_link;
+
+ unsigned mue_rx_list_cnt;
+ unsigned mue_tx_list_cnt;
};
#endif /* _IF_MUEVAR_H_ */
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