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gianfar:localized filer table
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Each eTSEC device should own localized filer table.

Signed-off-by: Jiajun Wu <b06378@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Wu Jiajun-B06378 authored and David S. Miller committed Jun 9, 2011
1 parent e756682 commit 6c43e04
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Showing 3 changed files with 51 additions and 50 deletions.
29 changes: 13 additions & 16 deletions drivers/net/gianfar.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
* Maintainer: Kumar Gala
* Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
*
* Copyright 2002-2009 Freescale Semiconductor, Inc.
* Copyright 2002-2009, 2011 Freescale Semiconductor, Inc.
* Copyright 2007 MontaVista Software, Inc.
*
* This program is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -476,9 +476,6 @@ static const struct net_device_ops gfar_netdev_ops = {
#endif
};

unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];

void lock_rx_qs(struct gfar_private *priv)
{
int i = 0x0;
Expand Down Expand Up @@ -868,28 +865,28 @@ static u32 cluster_entry_per_class(struct gfar_private *priv, u32 rqfar,

rqfar--;
rqfcr = RQFCR_CLE | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
ftp_rqfpr[rqfar] = rqfpr;
ftp_rqfcr[rqfar] = rqfcr;
priv->ftp_rqfpr[rqfar] = rqfpr;
priv->ftp_rqfcr[rqfar] = rqfcr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);

rqfar--;
rqfcr = RQFCR_CMP_NOMATCH;
ftp_rqfpr[rqfar] = rqfpr;
ftp_rqfcr[rqfar] = rqfcr;
priv->ftp_rqfpr[rqfar] = rqfpr;
priv->ftp_rqfcr[rqfar] = rqfcr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);

rqfar--;
rqfcr = RQFCR_CMP_EXACT | RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND;
rqfpr = class;
ftp_rqfcr[rqfar] = rqfcr;
ftp_rqfpr[rqfar] = rqfpr;
priv->ftp_rqfcr[rqfar] = rqfcr;
priv->ftp_rqfpr[rqfar] = rqfpr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);

rqfar--;
rqfcr = RQFCR_CMP_EXACT | RQFCR_PID_MASK | RQFCR_AND;
rqfpr = class;
ftp_rqfcr[rqfar] = rqfcr;
ftp_rqfpr[rqfar] = rqfpr;
priv->ftp_rqfcr[rqfar] = rqfcr;
priv->ftp_rqfpr[rqfar] = rqfpr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);

return rqfar;
Expand All @@ -904,8 +901,8 @@ static void gfar_init_filer_table(struct gfar_private *priv)

/* Default rule */
rqfcr = RQFCR_CMP_MATCH;
ftp_rqfcr[rqfar] = rqfcr;
ftp_rqfpr[rqfar] = rqfpr;
priv->ftp_rqfcr[rqfar] = rqfcr;
priv->ftp_rqfpr[rqfar] = rqfpr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);

rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6);
Expand All @@ -921,8 +918,8 @@ static void gfar_init_filer_table(struct gfar_private *priv)
/* Rest are masked rules */
rqfcr = RQFCR_CMP_NOMATCH;
for (i = 0; i < rqfar; i++) {
ftp_rqfcr[i] = rqfcr;
ftp_rqfpr[i] = rqfpr;
priv->ftp_rqfcr[i] = rqfcr;
priv->ftp_rqfpr[i] = rqfpr;
gfar_write_filer(priv, i, rqfcr, rqfpr);
}
}
Expand Down
8 changes: 5 additions & 3 deletions drivers/net/gianfar.h
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
* Maintainer: Kumar Gala
* Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
*
* Copyright 2002-2009 Freescale Semiconductor, Inc.
* Copyright 2002-2009, 2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
Expand Down Expand Up @@ -1107,10 +1107,12 @@ struct gfar_private {
/* HW time stamping enabled flag */
int hwts_rx_en;
int hwts_tx_en;

/*Filer table*/
unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];
};

extern unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
extern unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];

static inline int gfar_has_errata(struct gfar_private *priv,
enum gfar_errata err)
Expand Down
64 changes: 33 additions & 31 deletions drivers/net/gianfar_ethtool.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
* Maintainer: Kumar Gala
* Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
*
* Copyright 2003-2006, 2008-2009 Freescale Semiconductor, Inc.
* Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc.
*
* This software may be used and distributed according to
* the terms of the GNU Public License, Version 2, incorporated herein
Expand Down Expand Up @@ -609,15 +609,15 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L2DA) {
fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH |
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;

fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH |
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}
Expand All @@ -626,52 +626,52 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}

if (ethflow & RXH_IP_SRC) {
fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}

if (ethflow & (RXH_IP_DST)) {
fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}

if (ethflow & RXH_L3_PROTO) {
fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}

if (ethflow & RXH_L4_B_0_1) {
fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}

if (ethflow & RXH_L4_B_2_3) {
fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
ftp_rqfpr[priv->cur_filer_idx] = fpr;
ftp_rqfcr[priv->cur_filer_idx] = fcr;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
}
Expand Down Expand Up @@ -705,12 +705,12 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
}

for (i = 0; i < MAX_FILER_IDX + 1; i++) {
local_rqfpr[j] = ftp_rqfpr[i];
local_rqfcr[j] = ftp_rqfcr[i];
local_rqfpr[j] = priv->ftp_rqfpr[i];
local_rqfcr[j] = priv->ftp_rqfcr[i];
j--;
if ((ftp_rqfcr[i] == (RQFCR_PID_PARSE |
if ((priv->ftp_rqfcr[i] == (RQFCR_PID_PARSE |
RQFCR_CLE |RQFCR_AND)) &&
(ftp_rqfpr[i] == cmp_rqfpr))
(priv->ftp_rqfpr[i] == cmp_rqfpr))
break;
}

Expand All @@ -724,20 +724,22 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
* if it was already programmed, we need to overwrite these rules
*/
for (l = i+1; l < MAX_FILER_IDX; l++) {
if ((ftp_rqfcr[l] & RQFCR_CLE) &&
!(ftp_rqfcr[l] & RQFCR_AND)) {
ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
!(priv->ftp_rqfcr[l] & RQFCR_AND)) {
priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
ftp_rqfpr[l] = FPR_FILER_MASK;
gfar_write_filer(priv, l, ftp_rqfcr[l], ftp_rqfpr[l]);
priv->ftp_rqfpr[l] = FPR_FILER_MASK;
gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
priv->ftp_rqfpr[l]);
break;
}

if (!(ftp_rqfcr[l] & RQFCR_CLE) && (ftp_rqfcr[l] & RQFCR_AND))
if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
(priv->ftp_rqfcr[l] & RQFCR_AND))
continue;
else {
local_rqfpr[j] = ftp_rqfpr[l];
local_rqfcr[j] = ftp_rqfcr[l];
local_rqfpr[j] = priv->ftp_rqfpr[l];
local_rqfcr[j] = priv->ftp_rqfcr[l];
j--;
}
}
Expand All @@ -750,8 +752,8 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u

/* Write back the popped out rules again */
for (k = j+1; k < MAX_FILER_IDX; k++) {
ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
gfar_write_filer(priv, priv->cur_filer_idx,
local_rqfcr[k], local_rqfpr[k]);
if (!priv->cur_filer_idx)
Expand Down

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