diff options
Diffstat (limited to 'arch/m68k/mach-mcfv4e/include/proc/net')
| -rw-r--r-- | arch/m68k/mach-mcfv4e/include/proc/net/eth.h | 70 | ||||
| -rw-r--r-- | arch/m68k/mach-mcfv4e/include/proc/net/nbuf.h | 88 | ||||
| -rw-r--r-- | arch/m68k/mach-mcfv4e/include/proc/net/net.h | 39 | ||||
| -rw-r--r-- | arch/m68k/mach-mcfv4e/include/proc/net/queue.h | 54 |
4 files changed, 251 insertions, 0 deletions
diff --git a/arch/m68k/mach-mcfv4e/include/proc/net/eth.h b/arch/m68k/mach-mcfv4e/include/proc/net/eth.h new file mode 100644 index 0000000000..5240c0c945 --- /dev/null +++ b/arch/m68k/mach-mcfv4e/include/proc/net/eth.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de> + * See file CREDITS for list of people who contributed to this project. + * + * This file is part of U-Boot V2. + * + * U-Boot V2 is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * U-Boot V2 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with U-Boot V2. If not, see <http://www.gnu.org/licenses/>. + */ + +/** @file + * Declaration for for Ethernet Frames. + */ + +#ifndef _ETH_H +#define _ETH_H + + +/* Ethernet standard lengths in bytes*/ +#define ETH_ADDR_LEN (6) +#define ETH_TYPE_LEN (2) +#define ETH_CRC_LEN (4) +#define ETH_MAX_DATA (1500) +#define ETH_MIN_DATA (46) +#define ETH_HDR_LEN (ETH_ADDR_LEN * 2 + ETH_TYPE_LEN) + +/* Defined Ethernet Frame Types */ +#define ETH_FRM_IP (0x0800) +#define ETH_FRM_ARP (0x0806) +#define ETH_FRM_RARP (0x8035) +#define ETH_FRM_TEST (0xA5A5) + +/* Maximum and Minimum Ethernet Frame Sizes */ +#define ETH_MAX_FRM (ETH_HDR_LEN + ETH_MAX_DATA + ETH_CRC_LEN) +#define ETH_MIN_FRM (ETH_HDR_LEN + ETH_MIN_DATA + ETH_CRC_LEN) +#define ETH_MTU (ETH_HDR_LEN + ETH_MAX_DATA) + +/* Ethernet Addresses */ +typedef uint8_t ETH_ADDR[ETH_ADDR_LEN]; + +/* 16-bit Ethernet Frame Type, ie. Protocol */ +typedef uint16_t ETH_FRM_TYPE; + +/* Ethernet Frame Header definition */ +typedef struct +{ + ETH_ADDR dest; + ETH_ADDR src; + ETH_FRM_TYPE type; +} ETH_HDR; + +/* Ethernet Frame definition */ +typedef struct +{ + ETH_HDR head; + uint8_t* data; +} ETH_FRAME; + + +#endif /* _ETH_H */ diff --git a/arch/m68k/mach-mcfv4e/include/proc/net/nbuf.h b/arch/m68k/mach-mcfv4e/include/proc/net/nbuf.h new file mode 100644 index 0000000000..bc3a7a6924 --- /dev/null +++ b/arch/m68k/mach-mcfv4e/include/proc/net/nbuf.h @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de> + * See file CREDITS for list of people who contributed to this project. + * + * This file is part of U-Boot V2. + * + * U-Boot V2 is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * U-Boot V2 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with U-Boot V2. If not, see <http://www.gnu.org/licenses/>. + */ + +/** @file + * Definitions for network buffer management + */ + +#ifndef _MCFV4E_NBUF_H_ +#define _MCFV4E_NBUF_H_ + +/* + * Include the Queue structure definitions + */ +#include "queue.h" + +/* + * Number of network buffers to use + */ +#define NBUF_MAX 30 + +/* + * Size of each buffer in bytes + */ +#ifndef NBUF_SZ +#define NBUF_SZ 1520 +#endif + +/* + * Defines to identify all the buffer queues + * - FREE must always be defined as 0 + */ +#define NBUF_FREE 0 /* available buffers */ +#define NBUF_TX_RING 1 /* buffers in the Tx BD ring */ +#define NBUF_RX_RING 2 /* buffers in the Rx BD ring */ +#define NBUF_SCRATCH 3 /* misc */ +#define NBUF_MAXQ 4 /* total number of queueus */ + +/* + * Buffer Descriptor Format + * + * Fields: + * next Pointer to next node in the queue + * data Pointer to the data buffer + * offset Index into buffer + * length Remaining bytes in buffer from (data + offset) + */ +typedef struct +{ + QNODE node; + uint8_t *data; + uint16_t offset; + uint16_t length; +} NBUF; + +/* + * Functions to manipulate the network buffers. + */ +int nbuf_init(void); +void nbuf_flush(void); + +NBUF * nbuf_alloc (void); +void nbuf_free(NBUF *); + +NBUF *nbuf_remove(int); +void nbuf_add(int, NBUF *); + +void nbuf_reset(void); +void nbuf_debug_dump(void); + + +#endif /* _MCFV4E_NBUF_H_ */ diff --git a/arch/m68k/mach-mcfv4e/include/proc/net/net.h b/arch/m68k/mach-mcfv4e/include/proc/net/net.h new file mode 100644 index 0000000000..a2ccd76510 --- /dev/null +++ b/arch/m68k/mach-mcfv4e/include/proc/net/net.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de> + * See file CREDITS for list of people who contributed to this project. + * + * This file is part of U-Boot V2. + * + * U-Boot V2 is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * U-Boot V2 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with U-Boot V2. If not, see <http://www.gnu.org/licenses/>. + */ + +/** @file + * Network definitions and prototypes for dBUG. + */ + +#ifndef _MCFV4E_NET_H +#define _MCFV4E_NET_H + +/* + * Include information and prototypes for all protocols + */ +#include "eth.h" +#include "nbuf.h" + +int netif_init(int channel); +int netif_setup(int channel); +int netif_done(int channel); + +#endif /* _MCFV4E_NET_H */ + diff --git a/arch/m68k/mach-mcfv4e/include/proc/net/queue.h b/arch/m68k/mach-mcfv4e/include/proc/net/queue.h new file mode 100644 index 0000000000..c9da1c83a5 --- /dev/null +++ b/arch/m68k/mach-mcfv4e/include/proc/net/queue.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de> + * See file CREDITS for list of people who contributed to this project. + * + * This file is part of U-Boot V2. + * + * U-Boot V2 is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * U-Boot V2 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with U-Boot V2. If not, see <http://www.gnu.org/licenses/>. + */ + +/** @file + * Implement a first in, first out linked list + */ +#ifndef _QUEUE_H_ +#define _QUEUE_H_ + +/* + * Individual queue node + */ +typedef struct NODE +{ + struct NODE *next; +} QNODE; + +/* + * Queue Struture - linked list of qentry items + */ +typedef struct +{ + QNODE *head; + QNODE *tail; +} QUEUE; + +/* + * Functions provided by queue.c + */ +void queue_init(QUEUE *); +int queue_isempty(QUEUE *); +void queue_add(QUEUE *, QNODE *); +QNODE* queue_remove(QUEUE *); +QNODE* queue_peek(QUEUE *); +void queue_move(QUEUE *, QUEUE *); + +#endif /* _QUEUE_H_ */ |