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net: dsa: sja1105: implement a common frame memory partitioning function

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There are 2 different features that require some reserved frame memory
space: VLAN retagging and virtual links. Create a central function that
modifies the static config and ensures frame memory is never
overcommitted.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean
2020-05-12 20:20:37 +03:00
committed by David S. Miller
parent 88cac0fa53
commit aaa270c638
4 changed files with 42 additions and 18 deletions
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2
drivers/net/dsa/sja1105/sja1105.h
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@@ -244,6 +244,8 @@ enum sja1105_reset_reason {
int sja1105_static_config_reload(struct sja1105_private *priv,
enum sja1105_reset_reason reason);
void sja1105_frame_memory_partitioning(struct sja1105_private *priv);
/* From sja1105_spi.c */
int sja1105_xfer_buf(const struct sja1105_private *priv,
sja1105_spi_rw_mode_t rw, u64 reg_addr,