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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 22:43:21 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-20 22:43:21 +0200 |
commit | 06f4e926d256d902dd9a53dcb400fd74974ce087 (patch) | |
tree | 0b438b67f5f0eff6fd617bc497a9dace6164a488 /drivers/net/wireless/wl12xx/tx.h | |
parent | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/... (diff) | |
parent | macvlan: fix panic if lowerdev in a bond (diff) | |
download | linux-06f4e926d256d902dd9a53dcb400fd74974ce087.tar.xz linux-06f4e926d256d902dd9a53dcb400fd74974ce087.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
macvlan: fix panic if lowerdev in a bond
tg3: Add braces around 5906 workaround.
tg3: Fix NETIF_F_LOOPBACK error
macvlan: remove one synchronize_rcu() call
networking: NET_CLS_ROUTE4 depends on INET
irda: Fix error propagation in ircomm_lmp_connect_response()
irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
be2net: Kill set but unused variable 'req' in lancer_fw_download()
irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
isdn: capi: Use pr_debug() instead of ifdefs.
tg3: Update version to 3.119
tg3: Apply rx_discards fix to 5719/5720
...
Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
Diffstat (limited to 'drivers/net/wireless/wl12xx/tx.h')
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 62 |
1 files changed, 51 insertions, 11 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index 02f07fa66e82..832f9258d675 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -25,7 +25,6 @@ #ifndef __TX_H__ #define __TX_H__ -#define TX_HW_BLOCK_SPARE 2 #define TX_HW_BLOCK_SIZE 252 #define TX_HW_MGMT_PKT_LIFETIME_TU 2000 @@ -41,6 +40,7 @@ BIT(8) | BIT(9)) #define TX_HW_ATTR_LAST_WORD_PAD (BIT(10) | BIT(11)) #define TX_HW_ATTR_TX_CMPLT_REQ BIT(12) +#define TX_HW_ATTR_TX_DUMMY_REQ BIT(13) #define TX_HW_ATTR_OFST_SAVE_RETRIES 0 #define TX_HW_ATTR_OFST_HEADER_PAD 1 @@ -55,20 +55,60 @@ #define WL1271_TX_ALIGN_TO 4 #define WL1271_TKIP_IV_SPACE 4 +/* Used for management frames and dummy packets */ +#define WL1271_TID_MGMT 7 + +struct wl127x_tx_mem { + /* + * Number of extra memory blocks to allocate for this packet + * in addition to the number of blocks derived from the packet + * length. + */ + u8 extra_blocks; + /* + * Total number of memory blocks allocated by the host for + * this packet. Must be equal or greater than the actual + * blocks number allocated by HW. + */ + u8 total_mem_blocks; +} __packed; + +struct wl128x_tx_mem { + /* + * Total number of memory blocks allocated by the host for + * this packet. + */ + u8 total_mem_blocks; + /* + * Number of extra bytes, at the end of the frame. the host + * uses this padding to complete each frame to integer number + * of SDIO blocks. + */ + u8 extra_bytes; +} __packed; + +/* + * On wl128x based devices, when TX packets are aggregated, each packet + * size must be aligned to the SDIO block size. The maximum block size + * is bounded by the type of the padded bytes field that is sent to the + * FW. Currently the type is u8, so the maximum block size is 256 bytes. + */ +#define WL12XX_BUS_BLOCK_SIZE min(512u, \ + (1u << (8 * sizeof(((struct wl128x_tx_mem *) 0)->extra_bytes)))) + struct wl1271_tx_hw_descr { /* Length of packet in words, including descriptor+header+data */ __le16 length; - /* Number of extra memory blocks to allocate for this packet in - addition to the number of blocks derived from the packet length */ - u8 extra_mem_blocks; - /* Total number of memory blocks allocated by the host for this packet. - Must be equal or greater than the actual blocks number allocated by - HW!! */ - u8 total_mem_blocks; + union { + struct wl127x_tx_mem wl127x_mem; + struct wl128x_tx_mem wl128x_mem; + } __packed; /* Device time (in us) when the packet arrived to the driver */ __le32 start_time; - /* Max delay in TUs until transmission. The last device time the - packet can be transmitted is: startTime+(1024*LifeTime) */ + /* + * Max delay in TUs until transmission. The last device time the + * packet can be transmitted is: start_time + (1024 * life_time) + */ __le16 life_time; /* Bitwise fields - see TX_ATTR... definitions above. */ __le16 tx_attr; @@ -145,7 +185,7 @@ static inline int wl1271_tx_get_queue(int queue) void wl1271_tx_work(struct work_struct *work); void wl1271_tx_work_locked(struct wl1271 *wl); void wl1271_tx_complete(struct wl1271 *wl); -void wl1271_tx_reset(struct wl1271 *wl); +void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues); void wl1271_tx_flush(struct wl1271 *wl); u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set); |