Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-14 23:25:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

rt2x00: rt2800pci: move RX control handler functions to the rt2800mmio module

Browse Source 
Move the functions into a separate module, in order
to make those usable from other modules. Also move
the RX descriptor related defines from rt2800pci.h
into rt2800mmio.h

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gabor Juhos 2013-10-17 09:42:19 +02:00 committed by John W. Linville
parent d10b7547d5
commit 9732497d4d
5 changed files with 108 additions and 107 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/rt2x00/Kconfig
View File

@ -206,6 +206,7 @@ config RT2800_LIB
config RT2800_LIB_MMIO
tristate
select RT2X00_LIB_MMIO
select RT2800_LIB
config RT2X00_LIB_MMIO
tristate

57
drivers/net/wireless/rt2x00/rt2800mmio.c
View File

@ -34,6 +34,7 @@
#include "rt2x00.h"
#include "rt2x00mmio.h"
#include "rt2800lib.h"
#include "rt2800mmio.h"
/*
@ -99,7 +100,61 @@ void rt2800mmio_write_tx_desc(struct queue_entry *entry,
}
EXPORT_SYMBOL_GPL(rt2800mmio_write_tx_desc);
#include "rt2x00.h"
/*
* RX control handlers
*/
void rt2800mmio_fill_rxdone(struct queue_entry *entry,
struct rxdone_entry_desc *rxdesc)
{
struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
__le32 *rxd = entry_priv->desc;
u32 word;
rt2x00_desc_read(rxd, 3, &word);
if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
/*
* Unfortunately we don't know the cipher type used during
* decryption. This prevents us from correct providing
* correct statistics through debugfs.
*/
rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
/*
* Hardware has stripped IV/EIV data from 802.11 frame during
* decryption. Unfortunately the descriptor doesn't contain
* any fields with the EIV/IV data either, so they can't
* be restored by rt2x00lib.
*/
rxdesc->flags |= RX_FLAG_IV_STRIPPED;
/*
* The hardware has already checked the Michael Mic and has
* stripped it from the frame. Signal this to mac80211.
*/
rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
rxdesc->flags |= RX_FLAG_DECRYPTED;
else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
rxdesc->flags |= RX_FLAG_MMIC_ERROR;
}
if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
rxdesc->dev_flags |= RXDONE_MY_BSS;
if (rt2x00_get_field32(word, RXD_W3_L2PAD))
rxdesc->dev_flags |= RXDONE_L2PAD;
/*
* Process the RXWI structure that is at the start of the buffer.
*/
rt2800_process_rxwi(entry, rxdesc);
}
EXPORT_SYMBOL_GPL(rt2800mmio_fill_rxdone);
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);

51
drivers/net/wireless/rt2x00/rt2800mmio.h
View File

@ -35,6 +35,7 @@
* DMA descriptor defines.
*/
#define TXD_DESC_SIZE (4 * sizeof(__le32))
#define RXD_DESC_SIZE (4 * sizeof(__le32))
/*
* TX descriptor format for TX, PRIO and Beacon Ring.
@ -72,10 +73,60 @@
#define TXD_W3_UCO FIELD32(0x40000000)
#define TXD_W3_ICO FIELD32(0x80000000)
/*
* RX descriptor format for RX Ring.
*/
/*
* Word0
*/
#define RXD_W0_SDP0 FIELD32(0xffffffff)
/*
* Word1
*/
#define RXD_W1_SDL1 FIELD32(0x00003fff)
#define RXD_W1_SDL0 FIELD32(0x3fff0000)
#define RXD_W1_LS0 FIELD32(0x40000000)
#define RXD_W1_DMA_DONE FIELD32(0x80000000)
/*
* Word2
*/
#define RXD_W2_SDP1 FIELD32(0xffffffff)
/*
* Word3
* AMSDU: RX with 802.3 header, not 802.11 header.
* DECRYPTED: This frame is being decrypted.
*/
#define RXD_W3_BA FIELD32(0x00000001)
#define RXD_W3_DATA FIELD32(0x00000002)
#define RXD_W3_NULLDATA FIELD32(0x00000004)
#define RXD_W3_FRAG FIELD32(0x00000008)
#define RXD_W3_UNICAST_TO_ME FIELD32(0x00000010)
#define RXD_W3_MULTICAST FIELD32(0x00000020)
#define RXD_W3_BROADCAST FIELD32(0x00000040)
#define RXD_W3_MY_BSS FIELD32(0x00000080)
#define RXD_W3_CRC_ERROR FIELD32(0x00000100)
#define RXD_W3_CIPHER_ERROR FIELD32(0x00000600)
#define RXD_W3_AMSDU FIELD32(0x00000800)
#define RXD_W3_HTC FIELD32(0x00001000)
#define RXD_W3_RSSI FIELD32(0x00002000)
#define RXD_W3_L2PAD FIELD32(0x00004000)
#define RXD_W3_AMPDU FIELD32(0x00008000)
#define RXD_W3_DECRYPTED FIELD32(0x00010000)
#define RXD_W3_PLCP_SIGNAL FIELD32(0x00020000)
#define RXD_W3_PLCP_RSSI FIELD32(0x00040000)
/* TX descriptor initialization */
__le32 *rt2800mmio_get_txwi(struct queue_entry *entry);
void rt2800mmio_write_tx_desc(struct queue_entry *entry,
struct txentry_desc *txdesc);
/* RX control handlers */
void rt2800mmio_fill_rxdone(struct queue_entry *entry,
struct rxdone_entry_desc *rxdesc);
#endif /* RT2800MMIO_H */

55
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@ -627,61 +627,6 @@ static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
return retval;
}
/*
* RX control handlers
*/
static void rt2800mmio_fill_rxdone(struct queue_entry *entry,
struct rxdone_entry_desc *rxdesc)
{
struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
__le32 *rxd = entry_priv->desc;
u32 word;
rt2x00_desc_read(rxd, 3, &word);
if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
/*
* Unfortunately we don't know the cipher type used during
* decryption. This prevents us from correct providing
* correct statistics through debugfs.
*/
rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
/*
* Hardware has stripped IV/EIV data from 802.11 frame during
* decryption. Unfortunately the descriptor doesn't contain
* any fields with the EIV/IV data either, so they can't
* be restored by rt2x00lib.
*/
rxdesc->flags |= RX_FLAG_IV_STRIPPED;
/*
* The hardware has already checked the Michael Mic and has
* stripped it from the frame. Signal this to mac80211.
*/
rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
rxdesc->flags |= RX_FLAG_DECRYPTED;
else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
rxdesc->flags |= RX_FLAG_MMIC_ERROR;
}
if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
rxdesc->dev_flags |= RXDONE_MY_BSS;
if (rt2x00_get_field32(word, RXD_W3_L2PAD))
rxdesc->dev_flags |= RXDONE_L2PAD;
/*
* Process the RXWI structure that is at the start of the buffer.
*/
rt2800_process_rxwi(entry, rxdesc);
}
/*
* Interrupt functions.
*/

51
drivers/net/wireless/rt2x00/rt2800pci.h
View File

@ -50,55 +50,4 @@
#define FIRMWARE_RT3290 "rt3290.bin"
#define FIRMWARE_IMAGE_BASE 0x2000
/*
* DMA descriptor defines.
*/
#define RXD_DESC_SIZE (4 * sizeof(__le32))
/*
* RX descriptor format for RX Ring.
*/
/*
* Word0
*/
#define RXD_W0_SDP0 FIELD32(0xffffffff)
/*
* Word1
*/
#define RXD_W1_SDL1 FIELD32(0x00003fff)
#define RXD_W1_SDL0 FIELD32(0x3fff0000)
#define RXD_W1_LS0 FIELD32(0x40000000)
#define RXD_W1_DMA_DONE FIELD32(0x80000000)
/*
* Word2
*/
#define RXD_W2_SDP1 FIELD32(0xffffffff)
/*
* Word3
* AMSDU: RX with 802.3 header, not 802.11 header.
* DECRYPTED: This frame is being decrypted.
*/
#define RXD_W3_BA FIELD32(0x00000001)
#define RXD_W3_DATA FIELD32(0x00000002)
#define RXD_W3_NULLDATA FIELD32(0x00000004)
#define RXD_W3_FRAG FIELD32(0x00000008)
#define RXD_W3_UNICAST_TO_ME FIELD32(0x00000010)
#define RXD_W3_MULTICAST FIELD32(0x00000020)
#define RXD_W3_BROADCAST FIELD32(0x00000040)
#define RXD_W3_MY_BSS FIELD32(0x00000080)
#define RXD_W3_CRC_ERROR FIELD32(0x00000100)
#define RXD_W3_CIPHER_ERROR FIELD32(0x00000600)
#define RXD_W3_AMSDU FIELD32(0x00000800)
#define RXD_W3_HTC FIELD32(0x00001000)
#define RXD_W3_RSSI FIELD32(0x00002000)
#define RXD_W3_L2PAD FIELD32(0x00004000)
#define RXD_W3_AMPDU FIELD32(0x00008000)
#define RXD_W3_DECRYPTED FIELD32(0x00010000)
#define RXD_W3_PLCP_SIGNAL FIELD32(0x00020000)
#define RXD_W3_PLCP_RSSI FIELD32(0x00040000)
#endif /* RT2800PCI_H */