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net: stmmac: Support devicetree configs for mcast and ucast filter entries

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This patch adds and modifies code to support multiple Multicast and Unicast
Synopsys MAC filter configurations. The default configuration is defined to
support legacy driver behavior, which is 64 Multicast bins. The Unicast
filter code previously assumed all controllers support 32 or 16 Unicast
addresses based on controller version number, but this has been corrected
to support a default of 1 Unicast address. The filter configuration may
be specified through the devicetree using a Synopsys specific device tree
entry. This information was verified with Synopsys through
Synopsys Support Case #8000684337 and shared with the maintainer.

Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vince Bridgers
2014-07-31 15:49:17 -05:00
committed by David S. Miller
parent ea6856e352
commit 3b57de958e
7 changed files with 132 additions and 21 deletions
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8
drivers/net/ethernet/stmicro/stmmac/common.h
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@@ -381,7 +381,7 @@ struct stmmac_ops {
int (*host_irq_status)(struct mac_device_info *hw,
struct stmmac_extra_stats *x);
/* Multicast filter setting */
void (*set_filter)(struct net_device *dev);
void (*set_filter)(struct mac_device_info *hw, struct net_device *dev);
/* Flow control setting */
void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex,
unsigned int fc, unsigned int pause_time);
@@ -442,9 +442,13 @@ struct mac_device_info {
struct mac_link link;
unsigned int synopsys_uid;
void __iomem *pcsr; /* vpointer to device CSRs */
int multicast_filter_bins;
int unicast_filter_entries;
int mcast_bits_log2;
};
struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr);
struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr, int mcbins,
int perfect_uc_entries);
struct mac_device_info *dwmac100_setup(void __iomem *ioaddr);
void stmmac_set_mac_addr(void __iomem *ioaddr, u8 addr[6],