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net: stmmac: Add support for VLAN Insertion Offload

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Adds the logic to insert a given VLAN ID in a packet. This is offloaded
to HW and its descriptor based. For now, only XGMAC implements the
necessary callbacks.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu
2019-08-17 20:54:50 +02:00
committed by David S. Miller
parent 81b945aea0
commit 30d932279d
7 changed files with 135 additions and 1 deletions
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8
drivers/net/ethernet/stmicro/stmmac/common.h
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@@ -358,6 +358,8 @@ struct dma_features {
unsigned int rssen;
unsigned int vlhash;
unsigned int sphen;
unsigned int vlins;
unsigned int dvlan;
};
/* GMAC TX FIFO is 8K, Rx FIFO is 16K */
@@ -389,6 +391,12 @@ struct dma_features {
#define STMMAC_RSS_HASH_KEY_SIZE 40
#define STMMAC_RSS_MAX_TABLE_SIZE 256
/* VLAN */
#define STMMAC_VLAN_NONE 0x0
#define STMMAC_VLAN_REMOVE 0x1
#define STMMAC_VLAN_INSERT 0x2
#define STMMAC_VLAN_REPLACE 0x3
extern const struct stmmac_desc_ops enh_desc_ops;
extern const struct stmmac_desc_ops ndesc_ops;