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[src/trunk]: src/sys/dev/pci Add new sysctl hw.wmN.debug_flags. This sysctl c...
details: https://anonhg.NetBSD.org/src/rev/2edfb8675036
branches: trunk
changeset: 956398:2edfb8675036
user: msaitoh <msaitoh%NetBSD.org@localhost>
date: Fri Oct 30 06:23:39 2020 +0000
description:
Add new sysctl hw.wmN.debug_flags. This sysctl can be used if WM_DEBUG is set.
OK'd by knakahara.
% sysctl -d hw.wm0.debug_flags
hw.wm0.debug_flags: Debug flags:
0x01 LINK
0x02 TX
0x04 RX
0x08 GMII
0x10 MANAGE
0x20 NVM
0x40 INIT
0x80 LOCK
diffstat:
sys/dev/pci/if_wm.c | 430 +++++++++++++++++++++++++++++----------------------
1 files changed, 248 insertions(+), 182 deletions(-)
diffs (truncated from 1643 to 300 lines):
diff -r 0e8e21171367 -r 2edfb8675036 sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c Fri Oct 30 06:02:05 2020 +0000
+++ b/sys/dev/pci/if_wm.c Fri Oct 30 06:23:39 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_wm.c,v 1.692 2020/10/28 07:08:08 msaitoh Exp $ */
+/* $NetBSD: if_wm.c,v 1.693 2020/10/30 06:23:39 msaitoh Exp $ */
/*
* Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -82,7 +82,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.692 2020/10/28 07:08:08 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.693 2020/10/30 06:23:39 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@@ -157,11 +157,20 @@
#define WM_DEBUG_NVM __BIT(5)
#define WM_DEBUG_INIT __BIT(6)
#define WM_DEBUG_LOCK __BIT(7)
-int wm_debug = WM_DEBUG_TX | WM_DEBUG_RX | WM_DEBUG_LINK | WM_DEBUG_GMII
- | WM_DEBUG_MANAGE | WM_DEBUG_NVM | WM_DEBUG_INIT | WM_DEBUG_LOCK;
-#define DPRINTF(x, y) do { if (wm_debug & (x)) printf y; } while (0)
+
+#if 0
+#define WM_DEBUG_DEFAULT WM_DEBUG_TX | WM_DEBUG_RX | WM_DEBUG_LINK | \
+ WM_DEBUG_GMII | WM_DEBUG_MANAGE | WM_DEBUG_NVM | WM_DEBUG_INIT | \
+ WM_DEBUG_LOCK
+#endif
+
+#define DPRINTF(sc, x, y) \
+ do { \
+ if ((sc)->sc_debug & (x)) \
+ printf y; \
+ } while (0)
#else
-#define DPRINTF(x, y) __nothing
+#define DPRINTF(sc, x, y) __nothing
#endif /* WM_DEBUG */
#ifdef NET_MPSAFE
@@ -624,6 +633,9 @@
struct wm_phyop phy;
struct wm_nvmop nvm;
+#ifdef WM_DEBUG
+ uint32_t sc_debug;
+#endif
};
#define WM_CORE_LOCK(_sc) \
@@ -1033,6 +1045,10 @@
static int wm_pll_workaround_i210(struct wm_softc *);
static void wm_legacy_irq_quirk_spt(struct wm_softc *);
+#ifdef WM_DEBUG
+static int wm_sysctl_debug(SYSCTLFN_PROTO);
+#endif
+
CFATTACH_DECL3_NEW(wm, sizeof(struct wm_softc),
wm_match, wm_attach, wm_detach, NULL, NULL, NULL, DVF_DETACH_SHUTDOWN);
@@ -1844,6 +1860,9 @@
uint32_t link_mode;
uint32_t reg;
+#if defined(WM_DEBUG) && defined(WM_DEBUG_DEFAULT)
+ sc->sc_debug = WM_DEBUG_DEFAULT;
+#endif
sc->sc_dev = self;
callout_init(&sc->sc_tick_ch, WM_CALLOUT_FLAGS);
callout_setfunc(&sc->sc_tick_ch, wm_tick, sc);
@@ -3422,7 +3441,7 @@
bool needreset = false;
int rc = 0;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
WM_CORE_LOCK(sc);
@@ -3478,7 +3497,7 @@
struct sockaddr_dl *sdl;
int s, error;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
#ifndef WM_MPSAFE
@@ -3807,7 +3826,7 @@
uint32_t hash, reg, bit;
int i, size, ralmax, rv;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
if (sc->sc_type >= WM_T_82544)
@@ -3951,7 +3970,7 @@
wm_set_vlan(struct wm_softc *sc)
{
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
/* Deal with VLAN enables. */
@@ -4037,7 +4056,7 @@
uint32_t reg = 0;
int i;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
/* Wait for eeprom to reload */
@@ -4076,7 +4095,7 @@
uint32_t reg;
int i;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
/* Wait for eeprom to reload */
@@ -4123,7 +4142,7 @@
delay(1000);
}
if (i >= WM_PHY_CFG_TIMEOUT)
- DPRINTF(WM_DEBUG_GMII, ("%s: %s failed\n",
+ DPRINTF(sc, WM_DEBUG_GMII, ("%s: %s failed\n",
device_xname(sc->sc_dev), __func__));
break;
case WM_T_ICH8:
@@ -4220,7 +4239,7 @@
uint16_t phy_data;
int rv;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
KASSERT(CSR_READ(sc, WMREG_EXTCNFCTR) & EXTCNFCTR_MDIO_SW_OWNERSHIP);
@@ -4245,7 +4264,7 @@
phy_data |= __SHIFTIN((freq & 0x02) != 0,
HV_SMB_ADDR_FREQ_HIGH);
} else
- DPRINTF(WM_DEBUG_INIT,
+ DPRINTF(sc, WM_DEBUG_INIT,
("%s: %s Unsupported SMB frequency in PHY\n",
device_xname(sc->sc_dev), __func__));
}
@@ -4261,7 +4280,7 @@
uint16_t phy_page = 0;
int rv = 0;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
switch (sc->sc_type) {
@@ -4303,7 +4322,7 @@
&& ((extcnfctr & EXTCNFCTR_PCIE_WRITE_ENABLE) != 0))
goto release;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s: Configure LCD by software\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s: Configure LCD by software\n",
device_xname(sc->sc_dev), __func__));
/* word_addr is in DWORD */
word_addr = __SHIFTOUT(extcnfctr, EXTCNFCTR_EXT_CNF_POINTER) << 1;
@@ -4321,7 +4340,7 @@
* LCD Write Enable bits are set in the NVM. When both NVM bits
* are cleared, SW will configure them instead.
*/
- DPRINTF(WM_DEBUG_INIT, ("%s: %s: Configure SMBus and LED\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s: Configure SMBus and LED\n",
device_xname(sc->sc_dev), __func__));
if ((rv = wm_write_smbus_addr(sc)) != 0)
goto release;
@@ -4432,7 +4451,7 @@
{
uint32_t tarc0, tarc1, reg;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
/* For 82571 variant, 80003 and ICHs */
@@ -4693,7 +4712,7 @@
{
uint32_t reg;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
if (wm_phy_resetisblocked(sc))
return -1;
@@ -4810,7 +4829,7 @@
uint16_t kmreg;
int rv;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
KASSERT(sc->sc_type != 0);
@@ -5822,6 +5841,24 @@
if (rv != 0)
goto teardown;
+#ifdef WM_DEBUG
+ rv = sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_READWRITE,
+ CTLTYPE_INT, "debug_flags",
+ SYSCTL_DESCR(
+ "Debug flags:\n" \
+ "\t0x01 LINK\n" \
+ "\t0x02 TX\n" \
+ "\t0x04 RX\n" \
+ "\t0x08 GMII\n" \
+ "\t0x10 MANAGE\n" \
+ "\t0x20 NVM\n" \
+ "\t0x40 INIT\n" \
+ "\t0x80 LOCK"),
+ wm_sysctl_debug, 0, (void *)sc, 0, CTL_CREATE, CTL_EOL);
+ if (rv != 0)
+ goto teardown;
+#endif
+
return;
teardown:
@@ -5858,7 +5895,7 @@
int i, j, trynum, error = 0;
uint32_t reg, sfp_mask = 0;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
KASSERT(WM_CORE_LOCKED(sc));
@@ -6462,7 +6499,7 @@
struct wm_txsoft *txs;
int i, qidx;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
KASSERT(WM_CORE_LOCKED(sc));
@@ -7143,7 +7180,7 @@
struct wm_txqueue *txq)
{
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
KASSERT(mutex_owned(txq->txq_lock));
@@ -7352,7 +7389,7 @@
{
int i, error = 0;
- DPRINTF(WM_DEBUG_INIT, ("%s: %s called\n",
+ DPRINTF(sc, WM_DEBUG_INIT, ("%s: %s called\n",
device_xname(sc->sc_dev), __func__));
for (i = 0; i < sc->sc_nqueues; i++) {
@@ -7745,7 +7782,7 @@
if (txq->txq_sfree < WM_TXQUEUE_GC(txq)) {
wm_txeof(txq, UINT_MAX);
if (txq->txq_sfree == 0) {
- DPRINTF(WM_DEBUG_TX,
+ DPRINTF(sc, WM_DEBUG_TX,
("%s: TX: no free job descriptors\n",
device_xname(sc->sc_dev)));
WM_Q_EVCNT_INCR(txq, txsstall);
@@ -7761,7 +7798,7 @@
if (m0 == NULL)
break;
- DPRINTF(WM_DEBUG_TX,
+ DPRINTF(sc, WM_DEBUG_TX,
("%s: TX: have packet to transmit: %p\n",
device_xname(sc->sc_dev), m0));
@@ -7818,7 +7855,7 @@
continue;
}
/* Short on resources, just stop for now. */
- DPRINTF(WM_DEBUG_TX,
+ DPRINTF(sc, WM_DEBUG_TX,
("%s: TX: dmamap load failed: %d\n",
device_xname(sc->sc_dev), error));
break;
@@ -7845,7 +7882,7 @@
* pack on the queue, and punt. Notify the upper
* layer that there are no more slots left.
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