xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef UTSM_NET_H
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#define UTSM_NET_H
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#include <utsm/types.h>
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#define DKM_NET_MAX_DEVICES 8u
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/* 网卡链路/能力标志。 */
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#define DKM_NET_F_LINK_UP (1u << 0)
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#define DKM_NET_F_TX_READY (1u << 1)
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#define DKM_NET_F_RX_READY (1u << 2)
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typedef int (*dkm_net_tx_fn)(void *ctx, const void *packet, u32 length);
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typedef int (*dkm_net_rx_poll_fn)(void *ctx, void *buffer, u32 capacity, u32 *out_length);
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typedef struct dkm_net_device_desc {
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const char *name;
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u8 mac[6];
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u32 flags;
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void *ctx;
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dkm_net_tx_fn tx;
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dkm_net_rx_poll_fn rx_poll;
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} dkm_net_device_desc;
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typedef struct dkm_net_device_info {
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const char *name;
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u8 mac[6];
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u32 flags;
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} dkm_net_device_info;
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typedef struct dkm_net_api {
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int (*register_device)(const dkm_net_device_desc *desc);
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u32 (*device_count)(void);
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int (*device_info)(u32 index, dkm_net_device_info *out);
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int (*tx)(u32 index, const void *packet, u32 length);
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int (*rx_poll)(u32 index, void *buffer, u32 capacity, u32 *out_length);
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} dkm_net_api;
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void net_init(void);
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const dkm_net_api *net_get_api(void);
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#endif
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