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net: dsa: bcm_sf2: Allow non-IMP ports to have Broadcom tags enabled

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Parse the "brcm,use-bcm-hdr" boolean property during ports
identification to fill a bitmask of ports that should have Broadcom tags
enabled. This is needed in some configurations where per-packet metadata
can be exchanged using Broadcom tags between the switch and an on-chip
acceleration device.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2017-01-20 12:36:32 -08:00
committed by David S. Miller
parent ebb2ac4f32
commit 64ff2aef91
3 changed files with 18 additions and 0 deletions
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drivers/net/dsa/bcm_sf2.h
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@@ -100,6 +100,9 @@ struct bcm_sf2_priv {
struct device_node *master_mii_dn;
struct mii_bus *slave_mii_bus;
struct mii_bus *master_mii_bus;
/* Bitmask of ports needing BRCM tags */
unsigned int brcm_tag_mask;
};
static inline struct bcm_sf2_priv *bcm_sf2_to_priv(struct dsa_switch *ds)