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net: stmmac: Implement RSS and enable it in XGMAC core

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Implement the RSS functionality and add the corresponding callbacks in
XGMAC core.

Changes from v1:
	- Do not use magic constants (Jakub)
	- Use ethtool_rxfh_indir_default() (Jakub)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu
2019-08-07 10:03:12 +02:00
committed by David S. Miller
parent 7035aad875
commit 76067459c6
10 changed files with 242 additions and 4 deletions
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5
drivers/net/ethernet/stmicro/stmmac/common.h
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@@ -354,6 +354,7 @@ struct dma_features {
unsigned int frpbs;
unsigned int frpes;
unsigned int addr64;
unsigned int rssen;
};
/* GMAC TX FIFO is 8K, Rx FIFO is 16K */
@@ -381,6 +382,10 @@ struct dma_features {
#define JUMBO_LEN 9000
/* Receive Side Scaling */
#define STMMAC_RSS_HASH_KEY_SIZE 40
#define STMMAC_RSS_MAX_TABLE_SIZE 256
extern const struct stmmac_desc_ops enh_desc_ops;
extern const struct stmmac_desc_ops ndesc_ops;