Index: devs/eth/cl/cs8900a/current/ChangeLog =================================================================== RCS file: /cvs/ecos/ecos/packages/devs/eth/cl/cs8900a/current/ChangeLog,v retrieving revision 1.13 diff -u -5 -p -r1.13 ChangeLog --- devs/eth/cl/cs8900a/current/ChangeLog 23 Nov 2005 21:26:50 -0000 1.13 +++ devs/eth/cl/cs8900a/current/ChangeLog 4 Sep 2007 13:26:21 -0000 @@ -1,5 +1,10 @@ +2007-09-04 Stephen Finney + + * add timeout to potential infinite loop in cs8900a_send per + bugzilla report 1000281 + 2005-11-10 Laurent Gonzalez * include/cs8900a.h: * src/if_cs8900a.c: Added a priority field in cpd that makes interrupt priority configurable Index: devs/eth/cl/cs8900a/current/src/if_cs8900a.c =================================================================== RCS file: /cvs/ecos/ecos/packages/devs/eth/cl/cs8900a/current/src/if_cs8900a.c,v retrieving revision 1.13 diff -u -5 -p -r1.13 if_cs8900a.c --- devs/eth/cl/cs8900a/current/src/if_cs8900a.c 23 Nov 2005 21:26:50 -0000 1.13 +++ devs/eth/cl/cs8900a/current/src/if_cs8900a.c 4 Sep 2007 17:00:04 -0000 @@ -503,13 +503,28 @@ cs8900a_send(struct eth_drv_sc *sc, stru // Start only when all data sent to chip HAL_WRITE_UINT16(cpd->base+CS8900A_TxCMD, PP_TxCmd_TxStart_Full); HAL_WRITE_UINT16(cpd->base+CS8900A_TxLEN, total_len); // Wait for controller ready signal - do { - stat = get_reg(base, PP_BusStat); - } while (!(stat & PP_BusStat_TxRDY)); + { + // add timeout per cs8900a bugzilla report 1000281 */ + int timeout = 1000; + + do { + stat = get_reg(base, PP_BusStat); +#if DEBUG & 1 + if( stat & PP_BusStat_TxBid ) + diag_printf( "cs8900a_send: Bid error!\n" ); +#endif + } while (!(stat & PP_BusStat_TxRDY) && --timeout); + + if( !timeout ) { + // we might as well just return, since if we write the data it will + // just get thrown away + return; + } + } // Put data into buffer for (i = 0; i < sg_len; i++) { data = (cyg_uint8 *)sg_list[i].buf; len = sg_list[i].len;