Mercurial > nand-ecoscentric
changeset 1484:af696e5657f1
Only handle error free [incoming] packets
| author | gthomas |
|---|---|
| date | Wed, 04 Feb 2004 15:03:31 +0000 |
| parents | dc0016c597aa |
| children | 0e10930859c3 |
| files | packages/devs/eth/powerpc/fcc/current/ChangeLog packages/devs/eth/powerpc/fcc/current/src/fcc.h packages/devs/eth/powerpc/fcc/current/src/if_fcc.c |
| diffstat | 3 files changed, 18 insertions(+), 7 deletions(-) [+] |
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--- a/packages/devs/eth/powerpc/fcc/current/ChangeLog +++ b/packages/devs/eth/powerpc/fcc/current/ChangeLog @@ -1,3 +1,9 @@ +2004-02-04 Gary Thomas <gary@mlbassoc.com> + + * src/if_fcc.c: + * src/fcc.h: Only process error-free packets. Inspired by + Christoph Csebits. + 2004-02-03 Christoph Csebits <christoph.csebits@frequentis.com> * src/if_fcc.c (fcc_eth_can_send): Fix: check also if
--- a/packages/devs/eth/powerpc/fcc/current/src/fcc.h +++ b/packages/devs/eth/powerpc/fcc/current/src/fcc.h @@ -9,7 +9,7 @@ // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. -// Copyright (C) 2002, 2003 Gary Thomas +// Copyright (C) 2002, 2003, 2004 Gary Thomas // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free @@ -123,6 +123,7 @@ #define FCC_BD_Rx_CR 0x0004 // CRC error #define FCC_BD_Rx_OV 0x0002 // Overrun #define FCC_BD_Rx_TR 0x0001 // Frame truncated. late collision +#define FCC_BD_Rx_ERRORS (FCC_BD_Rx_LG|FCC_BD_Rx_NO|FCC_BD_Rx_SH|FCC_BD_Rx_CR|FCC_BD_Rx_OV|FCC_BD_Rx_TR) #define FCC_BD_Tx_Ready 0x8000 // Frame ready #define FCC_BD_Tx_Pad 0x4000 // Pad short frames
--- a/packages/devs/eth/powerpc/fcc/current/src/if_fcc.c +++ b/packages/devs/eth/powerpc/fcc/current/src/if_fcc.c @@ -9,7 +9,7 @@ // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. -// Copyright (C) 2002, 2003 Gary Thomas +// Copyright (C) 2002, 2003, 2004 Gary Thomas // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free @@ -519,16 +519,20 @@ fcc_eth_RxEvent(struct eth_drv_sc *sc) // if (cache_state) { // HAL_DCACHE_INVALIDATE(rxbd->buffer, rxbd->length); // } - (sc->funs->eth_drv->recv)(sc, rxbd->length); + if ((rxbd->ctrl & FCC_BD_Rx_ERRORS) == 0) { + (sc->funs->eth_drv->recv)(sc, rxbd->length); #if 1 // Coherent caches? - if (cache_state) { - HAL_DCACHE_FLUSH(rxbd->buffer, rxbd->length); + if (cache_state) { + HAL_DCACHE_FLUSH(rxbd->buffer, rxbd->length); + } +#endif } -#endif - rxbd->ctrl |= FCC_BD_Rx_Empty; + // Reset control flags to known [empty] state, clearing error bits if (rxbd->ctrl & FCC_BD_Rx_Wrap) { + rxbd->ctrl = FCC_BD_Rx_Empty | FCC_BD_Rx_Int | FCC_BD_Rx_Wrap; rxbd = qi->rbase; } else { + rxbd->ctrl = FCC_BD_Rx_Empty | FCC_BD_Rx_Int; rxbd++; } }