d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Convert bge(4) to use busdma. I have not tested this on anything

Browse Source 
besides x86 yet since I don't have access to a non-x86 FreeBSD
box at the moment. Volunteers welcome.
This commit is contained in:
Bill Paul 2003-07-25 19:42:44 +00:00
parent 48af1bfbef
commit f41ac2be93
2 changed files with 858 additions and 129 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

914
sys/dev/bge/if_bge.c
View File

File diff suppressed because it is too large Load Diff

73
sys/dev/bge/if_bgereg.h
View File

@ -1701,12 +1701,18 @@ typedef struct {
u_int32_t bge_addr_hi;
u_int32_t bge_addr_lo;
} bge_hostaddr;
#define BGE_HOSTADDR(x, y) \
do { \
(x).bge_addr_lo = ((u_int64_t) (y) & 0xffffffff); \
(x).bge_addr_hi = ((u_int64_t) (y) >> 32); \
} while(0)
#define BGE_ADDR_LO(y) \
((u_int64_t) (y) & 0xFFFFFFFF)
#define BGE_ADDR_HI(y) \
((u_int64_t) (y) >> 32)
/* Ring control block structure */
struct bge_rcb {
bge_hostaddr bge_hostaddr;
@ -2147,30 +2153,77 @@ struct vpd_key {
* are the tx and command rings, which live in NIC memory and which
* we access via the shared memory window.
*/
struct bge_ring_data {
struct bge_rx_bd bge_rx_std_ring[BGE_STD_RX_RING_CNT];
struct bge_rx_bd bge_rx_jumbo_ring[BGE_JUMBO_RX_RING_CNT];
struct bge_rx_bd bge_rx_return_ring[BGE_RETURN_RING_CNT];
struct bge_tx_bd bge_tx_ring[BGE_TX_RING_CNT];
struct bge_status_block bge_status_block;
struct bge_tx_desc *bge_tx_ring_nic;/* pointer to shared mem */
struct bge_cmd_desc *bge_cmd_ring; /* pointer to shared mem */
struct bge_rx_bd *bge_rx_std_ring;
bus_addr_t bge_rx_std_ring_paddr;
struct bge_rx_bd *bge_rx_jumbo_ring;
bus_addr_t bge_rx_jumbo_ring_paddr;
struct bge_rx_bd *bge_rx_return_ring;
bus_addr_t bge_rx_return_ring_paddr;
struct bge_tx_bd *bge_tx_ring;
bus_addr_t bge_tx_ring_paddr;
struct bge_status_block *bge_status_block;
bus_addr_t bge_status_block_paddr;
struct bge_stats *bge_stats;
bus_addr_t bge_stats_paddr;
void *bge_jumbo_buf;
struct bge_gib bge_info;
};
#define BGE_STD_RX_RING_SZ \
(sizeof(struct bge_rx_bd) * BGE_STD_RX_RING_CNT)
#define BGE_JUMBO_RX_RING_SZ \
(sizeof(struct bge_rx_bd) * BGE_JUMBO_RX_RING_CNT)
#define BGE_TX_RING_SZ \
(sizeof(struct bge_tx_bd) * BGE_TX_RING_CNT)
#define BGE_RX_RTN_RING_SZ(x) \
(sizeof(struct bge_rx_bd) * x->bge_return_ring_cnt)
#define BGE_STATUS_BLK_SZ sizeof (struct bge_status_block)
#define BGE_STATS_SZ sizeof (struct bge_stats)
/*
* Mbuf pointers. We need these to keep track of the virtual addresses
* of our mbuf chains since we can only convert from physical to virtual,
* not the other way around.
*/
struct bge_chain_data {
bus_dma_tag_t bge_parent_tag;
bus_dma_tag_t bge_rx_std_ring_tag;
bus_dma_tag_t bge_rx_jumbo_ring_tag;
bus_dma_tag_t bge_rx_return_ring_tag;
bus_dma_tag_t bge_tx_ring_tag;
bus_dma_tag_t bge_status_tag;
bus_dma_tag_t bge_stats_tag;
bus_dma_tag_t bge_jumbo_tag;
bus_dma_tag_t bge_mtag; /* mbuf mapping tag */
bus_dma_tag_t bge_mtag_jumbo; /* mbuf mapping tag */
bus_dmamap_t bge_tx_dmamap[BGE_TX_RING_CNT];
bus_dmamap_t bge_rx_std_dmamap[BGE_STD_RX_RING_CNT];
bus_dmamap_t bge_rx_jumbo_dmamap[BGE_JUMBO_RX_RING_CNT];
bus_dmamap_t bge_rx_std_ring_map;
bus_dmamap_t bge_rx_jumbo_ring_map;
bus_dmamap_t bge_tx_ring_map;
bus_dmamap_t bge_rx_return_ring_map;
bus_dmamap_t bge_status_map;
bus_dmamap_t bge_stats_map;
bus_dmamap_t bge_jumbo_map;
struct mbuf *bge_tx_chain[BGE_TX_RING_CNT];
struct mbuf *bge_rx_std_chain[BGE_STD_RX_RING_CNT];
struct mbuf *bge_rx_jumbo_chain[BGE_JUMBO_RX_RING_CNT];
struct mbuf *bge_rx_mini_chain[BGE_MINI_RX_RING_CNT];
/* Stick the jumbo mem management stuff here too. */
caddr_t bge_jslots[BGE_JSLOTS];
void *bge_jumbo_buf;
};
struct bge_dmamap_arg {
struct bge_softc *sc;
bus_addr_t bge_busaddr;
u_int16_t bge_flags;
int bge_idx;
int bge_maxsegs;
struct bge_tx_bd *bge_ring;
};
struct bge_type {
@ -2212,7 +2265,7 @@ struct bge_softc {
u_int32_t bge_chipid;
u_int8_t bge_asicrev;
u_int8_t bge_chiprev;
struct bge_ring_data *bge_rdata; /* rings */
struct bge_ring_data bge_ldata; /* rings */
struct bge_chain_data bge_cdata; /* mbufs */
u_int16_t bge_tx_saved_considx;
u_int16_t bge_rx_saved_considx;