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João Silva
98369c37fe
nic: move other nic functions into the dedicated nic files uip: alloc buffer multiple of 8 bytes Signed-off-by: João Silva <jgc3silva@gmail.com>
21 lines
690 B
C
21 lines
690 B
C
#ifndef RTL837X_NIC_H
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#define RTL837X_NIC_H
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#include <stdbool.h>
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#include <stdint.h>
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// #define RXTXDBG 1
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bool nic_rx_header(uint16_t ring_ptr) __reentrant;
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bool nic_rx_packet(__xdata uint8_t *buffer, uint16_t ring_ptr) __reentrant;
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/* buffer starts at the eight-byte NIC descriptor; len excludes that
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* descriptor. ring_ptr is the ASIC TX position in eight-byte slots. */
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void nic_tx_packet(__xdata uint8_t *buffer, uint16_t len, uint16_t ring_ptr);
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/* RX DMA in eight-byte units. ring_ptr must start inside the configured
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* RX ring; the hardware wraps transfers that cross its end. */
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bool nic_rx_dma(__xdata uint8_t *buffer, uint16_t ring_ptr, uint8_t words) __reentrant;
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#endif
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