diff options
Diffstat (limited to 'drivers/net/gianfar.h')
| -rw-r--r-- | drivers/net/gianfar.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 08518c20503..a2c1f963cdd 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -79,6 +79,9 @@ extern const char gfar_driver_version[]; #define MAX_TX_QS 0x8 #define MAX_RX_QS 0x8 +/* MAXIMUM NUMBER OF GROUPS SUPPORTED */ +#define MAXGROUPS 0x2 + /* These need to be powers of 2 for this driver */ #define DEFAULT_TX_RING_SIZE 256 #define DEFAULT_RX_RING_SIZE 256 @@ -795,7 +798,24 @@ struct gfar { #define FSL_GIANFAR_DEV_HAS_BD_STASHING 0x00000200 #define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400 +#if (MAXGROUPS == 2) +#define DEFAULT_MAPPING 0xAA +#else #define DEFAULT_MAPPING 0xFF +#endif + +#define ISRG_SHIFT_TX 0x10 +#define ISRG_SHIFT_RX 0x18 + +/* The same driver can operate in two modes */ +/* SQ_SG_MODE: Single Queue Single Group Mode + * (Backward compatible mode) + * MQ_MG_MODE: Multi Queue Multi Group mode + */ +enum { + SQ_SG_MODE = 0, + MQ_MG_MODE +}; /** * struct gfar_priv_tx_q - per tx queue structure @@ -825,6 +845,7 @@ struct gfar_priv_tx_q { struct txbd8 *cur_tx; struct txbd8 *dirty_tx; struct net_device *dev; + struct gfar_priv_grp *grp; u16 skb_curtx; u16 skb_dirtytx; u16 qindex; @@ -858,6 +879,7 @@ struct gfar_priv_rx_q { struct rxbd8 *rx_bd_base; struct rxbd8 *cur_rx; struct net_device *dev; + struct gfar_priv_grp *grp; u16 skb_currx; u16 qindex; unsigned int rx_ring_size; @@ -885,6 +907,7 @@ struct gfar_priv_grp { struct napi_struct napi; struct gfar_private *priv; struct gfar __iomem *regs; + unsigned int grp_id; unsigned int rx_bit_map; unsigned int tx_bit_map; unsigned int num_tx_queues; @@ -916,6 +939,8 @@ struct gfar_private { /* Indicates how many tx, rx queues are enabled */ unsigned int num_tx_queues; unsigned int num_rx_queues; + unsigned int num_grps; + unsigned int mode; /* The total tx and rx ring size for the enabled queues */ unsigned int total_tx_ring_size; @@ -925,7 +950,7 @@ struct gfar_private { struct net_device *ndev; struct of_device *ofdev; - struct gfar_priv_grp gfargrp; + struct gfar_priv_grp gfargrp[MAXGROUPS]; struct gfar_priv_tx_q *tx_queue[MAX_TX_QS]; struct gfar_priv_rx_q *rx_queue[MAX_RX_QS]; @@ -999,6 +1024,8 @@ extern void stop_gfar(struct net_device *dev); extern void gfar_halt(struct net_device *dev); extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev, int enable, u32 regnum, u32 read); +extern void gfar_configure_coalescing(struct gfar_private *priv, + unsigned int tx_mask, unsigned int rx_mask); void gfar_init_sysfs(struct net_device *dev); extern const struct ethtool_ops gfar_ethtool_ops; |