| /** @file |
| * @brief Common Nic Variables |
| * |
| * See Info below |
| * |
| * @author Paul Pearce <pearce@eecs.berkeley.edu> |
| * |
| */ |
| |
| #ifdef __SHARC__ |
| #pragma nosharc |
| #endif |
| |
| #include <net/nic_common.h> |
| #include <kmalloc.h> |
| #include <stdio.h> |
| |
| // Global send_frame function pointer |
| // Means we can only have one network card per system right now... |
| int (*send_frame)(const char *data, size_t len); |
| int (*send_pbuf)(struct pbuf *p); |
| struct pbuf* (*recv_pbuf)(void); |
| |
| |
| // Global variables for managing ethernet packets over a nic |
| // Again, since these are global for all network cards we are |
| // limited to only one for now |
| unsigned char device_mac[6]; |
| uint8_t eth_up = 0; |
| uint32_t num_packet_buffers = 0; |
| char* packet_buffers[MAX_PACKET_BUFFERS]; |
| uint32_t packet_buffers_sizes[MAX_PACKET_BUFFERS]; |
| uint32_t packet_buffers_head = 0; |
| uint32_t packet_buffers_tail = 0; |
| spinlock_t packet_buffers_lock = SPINLOCK_INITIALIZER_IRQSAVE; |
| |
