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gianfar: Basic Support for programming hash rules

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This patch provides basic hash rules programming via the ethtool
interface.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sandeep Gopalpet
2009-11-02 07:03:40 +00:00
committed by David S. Miller
parent 46ceb60ca8
commit 7a8b3372e2
4 changed files with 404 additions and 0 deletions
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73
drivers/net/gianfar.c
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@ -431,6 +431,9 @@ 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;
@ -766,6 +769,73 @@ static unsigned int reverse_bitmap(unsigned int bit_map, unsigned int max_qs)
}
return new_bit_map;
}
u32 cluster_entry_per_class(struct gfar_private *priv, u32 rqfar, u32 class)
{
u32 rqfpr = FPR_FILER_MASK;
u32 rqfcr = 0x0;
rqfar--;
rqfcr = RQFCR_CLE | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
ftp_rqfpr[rqfar] = rqfpr;
ftp_rqfcr[rqfar] = rqfcr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
rqfar--;
rqfcr = RQFCR_CMP_NOMATCH;
ftp_rqfpr[rqfar] = rqfpr;
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;
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;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
return rqfar;
}
static void gfar_init_filer_table(struct gfar_private *priv)
{
int i = 0x0;
u32 rqfar = MAX_FILER_IDX;
u32 rqfcr = 0x0;
u32 rqfpr = FPR_FILER_MASK;
/* Default rule */
rqfcr = RQFCR_CMP_MATCH;
ftp_rqfcr[rqfar] = rqfcr;
ftp_rqfpr[rqfar] = rqfpr;
gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6);
rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6 | RQFPR_UDP);
rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6 | RQFPR_TCP);
rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV4);
rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV4 | RQFPR_UDP);
rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV4 | RQFPR_TCP);
/* cur_filer_idx indicated the fisrt non-masked rule */
priv->cur_filer_idx = rqfar;
/* Rest are masked rules */
rqfcr = RQFCR_CMP_NOMATCH;
for (i = 0; i < rqfar; i++) {
ftp_rqfcr[i] = rqfcr;
ftp_rqfpr[i] = rqfpr;
gfar_write_filer(priv, i, rqfcr, rqfpr);
}
}
/* Set up the ethernet device structure, private data,
* and anything else we need before we start */
static int gfar_probe(struct of_device *ofdev,
@ -1005,6 +1075,9 @@ static int gfar_probe(struct of_device *ofdev,
priv->gfargrp[i].int_name_tx[len_devname] = '\0';
}
/* Initialize the filer table */
gfar_init_filer_table(priv);
/* Create all the sysfs files */
gfar_init_sysfs(dev);