Bug 34236
| Summary: | ADMtek AN98x, enable automatically TX underrun recovery | ||
|---|---|---|---|
| Product: | Base System | Reporter: | Naohiko Tsuji <naohikotsuji> |
| Component: | kern | Assignee: | freebsd-bugs (Nobody) <bugs> |
| Status: | Closed FIXED | ||
| Severity: | Affects Only Me | ||
| Priority: | Normal | ||
| Version: | Unspecified | ||
| Hardware: | Any | ||
| OS: | Any | ||
State Changed From-To: open->closed Committed thanks. MFC will be in 2 weeks. |
dc0: TX underrun -- increasing TX threshold ... dc0: TX underrun -- increasing TX threshold ... dc0: TX underrun -- using store and forward mode ... Working heavily. I think many interrupts have occurred. M/B: ASUS P2B-B (440BX) CPU: Celeron 300A NIC: Planex FNW-9802-T (ADMtek 983) or NIC: Planex FNW-9800-T (ADMtek 981) Fix: AN983 PCI/mini-PCI 10/100 Fast Ethernet Controller With Integrated PHY Revision 1.3 June 2000 AN983B/AN983BL PCI/mini-PCI-to-Ethernet LAN Controller Revision 1.3 Sep. 2001 7. Registers and Descriptors Description 7.2 PCI Control/Status registers 7.2.2 Control/Status registers description AN985 CardBus 10/100 Fast Ethernet Controller With Integrated PHY Revision 1.2 May 2000 7. Registers and Descriptors Description 7.2 PCI/CardBus Control/Status registers 7.2.2 Control/Status registers descripti AN985B CardBus-to-Ethernet LAN Controller Revision 1.5 Oct. 2001 PCI / CARDBUS CONTROL/STATUS REGISTERS CONTROL/STATUS REGISTER DESCRIPTION CSR18(offset = 88h), CR - Command Register, bit31 to bit16 automatically recall from EEPROM Bit Name Descriptions Default Val RW Type 0 ATUR 1: enable automatically transmit-underrun 0 R/W recovery. == RELENG_4 == --- sys/pci/if_dcreg.h.orig +++ sys/pci/if_dcreg.h @@ -498,6 +498,7 @@ * ADMtek specific registers and constants for the AL981 and AN985. * The AN985 doesn't use the magic PHY registers. */ +#define DC_AL_CR 0x88 /* Command register */ #define DC_AL_PAR0 0xA4 /* station address */ #define DC_AL_PAR1 0xA8 /* station address */ #define DC_AL_MAR0 0xAC /* multicast hash filter */ @@ -512,6 +513,7 @@ #define DC_ADMTEK_PHYADDR 0x1 #define DC_AL_EE_NODEADDR 4 +#define DC_AL_CR_ATUR 0x00000001 /* Enable automatically TX underrun recovery */ /* End of ADMtek specific registers */ /* --- sys/pci/if_dc.c.orig +++ sys/pci/if_dc.c @@ -1342,6 +1342,9 @@ } } + if (DC_IS_ADMTEK(sc)) + DC_SETBIT(sc, DC_AL_CR, DC_AL_CR_ATUR); + if ((media & IFM_GMASK) == IFM_FDX) { DC_SETBIT(sc, DC_NETCFG, DC_NETCFG_FULLDUPLEX); if (sc->dc_pmode == DC_PMODE_SYM && DC_IS_PNIC(sc)) Obtained from Linux 2.4.17 drivers/net/tulip/tulip_core.c