diff options
Diffstat (limited to 'drivers/staging/ath6kl/os/linux/netbuf.c')
| -rw-r--r-- | drivers/staging/ath6kl/os/linux/netbuf.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/drivers/staging/ath6kl/os/linux/netbuf.c b/drivers/staging/ath6kl/os/linux/netbuf.c deleted file mode 100644 index 963a2fb76a92..000000000000 --- a/drivers/staging/ath6kl/os/linux/netbuf.c +++ /dev/null @@ -1,231 +0,0 @@ -//------------------------------------------------------------------------------ -// Copyright (c) 2004-2010 Atheros Communications Inc. -// All rights reserved. -// -// -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// -// -// Author(s): ="Atheros" -//------------------------------------------------------------------------------ -#include <a_config.h> -#include "athdefs.h" -#include "a_osapi.h" -#include "htc_packet.h" - -#define AR6000_DATA_OFFSET 64 - -void a_netbuf_enqueue(A_NETBUF_QUEUE_T *q, void *pkt) -{ - skb_queue_tail((struct sk_buff_head *) q, (struct sk_buff *) pkt); -} - -void a_netbuf_prequeue(A_NETBUF_QUEUE_T *q, void *pkt) -{ - skb_queue_head((struct sk_buff_head *) q, (struct sk_buff *) pkt); -} - -void *a_netbuf_dequeue(A_NETBUF_QUEUE_T *q) -{ - return((void *) skb_dequeue((struct sk_buff_head *) q)); -} - -int a_netbuf_queue_size(A_NETBUF_QUEUE_T *q) -{ - return(skb_queue_len((struct sk_buff_head *) q)); -} - -int a_netbuf_queue_empty(A_NETBUF_QUEUE_T *q) -{ - return(skb_queue_empty((struct sk_buff_head *) q)); -} - -void a_netbuf_queue_init(A_NETBUF_QUEUE_T *q) -{ - skb_queue_head_init((struct sk_buff_head *) q); -} - -void * -a_netbuf_alloc(int size) -{ - struct sk_buff *skb; - size += 2 * (A_GET_CACHE_LINE_BYTES()); /* add some cacheline space at front and back of buffer */ - skb = dev_alloc_skb(AR6000_DATA_OFFSET + sizeof(struct htc_packet) + size); - skb_reserve(skb, AR6000_DATA_OFFSET + sizeof(struct htc_packet) + A_GET_CACHE_LINE_BYTES()); - return ((void *)skb); -} - -/* - * Allocate an SKB w.o. any encapsulation requirement. - */ -void * -a_netbuf_alloc_raw(int size) -{ - struct sk_buff *skb; - - skb = dev_alloc_skb(size); - - return ((void *)skb); -} - -void -a_netbuf_free(void *bufPtr) -{ - struct sk_buff *skb = (struct sk_buff *)bufPtr; - - dev_kfree_skb(skb); -} - -u32 a_netbuf_to_len(void *bufPtr) -{ - return (((struct sk_buff *)bufPtr)->len); -} - -void * -a_netbuf_to_data(void *bufPtr) -{ - return (((struct sk_buff *)bufPtr)->data); -} - -/* - * Add len # of bytes to the beginning of the network buffer - * pointed to by bufPtr - */ -int -a_netbuf_push(void *bufPtr, s32 len) -{ - skb_push((struct sk_buff *)bufPtr, len); - - return 0; -} - -/* - * Add len # of bytes to the beginning of the network buffer - * pointed to by bufPtr and also fill with data - */ -int -a_netbuf_push_data(void *bufPtr, char *srcPtr, s32 len) -{ - skb_push((struct sk_buff *) bufPtr, len); - memcpy(((struct sk_buff *)bufPtr)->data, srcPtr, len); - - return 0; -} - -/* - * Add len # of bytes to the end of the network buffer - * pointed to by bufPtr - */ -int -a_netbuf_put(void *bufPtr, s32 len) -{ - skb_put((struct sk_buff *)bufPtr, len); - - return 0; -} - -/* - * Add len # of bytes to the end of the network buffer - * pointed to by bufPtr and also fill with data - */ -int -a_netbuf_put_data(void *bufPtr, char *srcPtr, s32 len) -{ - char *start = (char*)(((struct sk_buff *)bufPtr)->data + - ((struct sk_buff *)bufPtr)->len); - skb_put((struct sk_buff *)bufPtr, len); - memcpy(start, srcPtr, len); - - return 0; -} - - -/* - * Trim the network buffer pointed to by bufPtr to len # of bytes - */ -int -a_netbuf_setlen(void *bufPtr, s32 len) -{ - skb_trim((struct sk_buff *)bufPtr, len); - - return 0; -} - -/* - * Chop of len # of bytes from the end of the buffer. - */ -int -a_netbuf_trim(void *bufPtr, s32 len) -{ - skb_trim((struct sk_buff *)bufPtr, ((struct sk_buff *)bufPtr)->len - len); - - return 0; -} - -/* - * Chop of len # of bytes from the end of the buffer and return the data. - */ -int -a_netbuf_trim_data(void *bufPtr, char *dstPtr, s32 len) -{ - char *start = (char*)(((struct sk_buff *)bufPtr)->data + - (((struct sk_buff *)bufPtr)->len - len)); - - memcpy(dstPtr, start, len); - skb_trim((struct sk_buff *)bufPtr, ((struct sk_buff *)bufPtr)->len - len); - - return 0; -} - - -/* - * Returns the number of bytes available to a a_netbuf_push() - */ -s32 a_netbuf_headroom(void *bufPtr) -{ - return (skb_headroom((struct sk_buff *)bufPtr)); -} - -/* - * Removes specified number of bytes from the beginning of the buffer - */ -int -a_netbuf_pull(void *bufPtr, s32 len) -{ - skb_pull((struct sk_buff *)bufPtr, len); - - return 0; -} - -/* - * Removes specified number of bytes from the beginning of the buffer - * and return the data - */ -int -a_netbuf_pull_data(void *bufPtr, char *dstPtr, s32 len) -{ - memcpy(dstPtr, ((struct sk_buff *)bufPtr)->data, len); - skb_pull((struct sk_buff *)bufPtr, len); - - return 0; -} - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -EXPORT_SYMBOL(a_netbuf_to_data); -EXPORT_SYMBOL(a_netbuf_put); -EXPORT_SYMBOL(a_netbuf_pull); -EXPORT_SYMBOL(a_netbuf_alloc); -EXPORT_SYMBOL(a_netbuf_free); -#endif |