diff options
Diffstat (limited to 'drivers/net/pasemi_mac.h')
| -rw-r--r-- | drivers/net/pasemi_mac.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h index 99e7b9329a6f..1a115ec60b53 100644 --- a/drivers/net/pasemi_mac.h +++ b/drivers/net/pasemi_mac.h @@ -26,7 +26,14 @@ #include <linux/spinlock.h> #include <linux/phy.h> +/* Must be a power of two */ +#define RX_RING_SIZE 2048 +#define TX_RING_SIZE 4096 +#define CS_RING_SIZE (TX_RING_SIZE*2) + + #define MAX_LRO_DESCRIPTORS 8 +#define MAX_CS 2 struct pasemi_mac_txring { struct pasemi_dmachan chan; /* Must be first */ @@ -51,6 +58,15 @@ struct pasemi_mac_rxring { struct pasemi_mac *mac; /* Needed in intr handler */ }; +struct pasemi_mac_csring { + struct pasemi_dmachan chan; + unsigned int size; + unsigned int next_to_fill; + int events[2]; + int last_event; + int fun; +}; + struct pasemi_mac { struct net_device *netdev; struct pci_dev *pdev; @@ -60,10 +76,12 @@ struct pasemi_mac { struct napi_struct napi; int bufsz; /* RX ring buffer size */ + int last_cs; + int num_cs; + u32 dma_if; u8 type; #define MAC_TYPE_GMAC 1 #define MAC_TYPE_XAUI 2 - u32 dma_if; u8 mac_addr[6]; @@ -74,6 +92,7 @@ struct pasemi_mac { struct pasemi_mac_txring *tx; struct pasemi_mac_rxring *rx; + struct pasemi_mac_csring *cs[MAX_CS]; char tx_irq_name[10]; /* "eth%d tx" */ char rx_irq_name[10]; /* "eth%d rx" */ int link; @@ -90,6 +109,16 @@ struct pasemi_mac_buffer { dma_addr_t dma; }; +#define TX_DESC(tx, num) ((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)]) +#define TX_DESC_INFO(tx, num) ((tx)->ring_info[(num) & (TX_RING_SIZE-1)]) +#define RX_DESC(rx, num) ((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)]) +#define RX_DESC_INFO(rx, num) ((rx)->ring_info[(num) & (RX_RING_SIZE-1)]) +#define RX_BUFF(rx, num) ((rx)->buffers[(num) & (RX_RING_SIZE-1)]) +#define CS_DESC(cs, num) ((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)]) + +#define RING_USED(ring) (((ring)->next_to_fill - (ring)->next_to_clean) \ + & ((ring)->size - 1)) +#define RING_AVAIL(ring) ((ring->size) - RING_USED(ring)) /* PCI register offsets and formats */ @@ -101,6 +130,7 @@ enum { PAS_MAC_CFG_ADR0 = 0x8c, PAS_MAC_CFG_ADR1 = 0x90, PAS_MAC_CFG_TXP = 0x98, + PAS_MAC_CFG_RMON = 0x100, PAS_MAC_IPC_CHNL = 0x208, }; @@ -172,6 +202,8 @@ enum { #define PAS_MAC_CFG_TXP_TIFG(x) (((x) << PAS_MAC_CFG_TXP_TIFG_S) & \ PAS_MAC_CFG_TXP_TIFG_M) +#define PAS_MAC_RMON(r) (0x100+(r)*4) + #define PAS_MAC_IPC_CHNL_DCHNO_M 0x003f0000 #define PAS_MAC_IPC_CHNL_DCHNO_S 16 #define PAS_MAC_IPC_CHNL_DCHNO(x) (((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \ @@ -181,4 +213,5 @@ enum { #define PAS_MAC_IPC_CHNL_BCH(x) (((x) << PAS_MAC_IPC_CHNL_BCH_S) & \ PAS_MAC_IPC_CHNL_BCH_M) + #endif /* PASEMI_MAC_H */ |