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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2009-10-23 13:42:26 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-10-27 16:50:01 -0400
commitc8c24872c6a90ef0298491a1c14326861ab74cab (patch)
treea8bf5a6c849dd47356770801ca7eb4bb683ab1d1 /drivers/net/wireless
parent29b1b2688fd71346f78f175d9669c006686b6dc3 (diff)
iwlwifi: increase max tfd payload size
Increase the size of TFD_MAX_PAYLOAD_SIZE (the size of iwl_device_cmd) to accommodate iwl6000_channel_switch_cmd data structure. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Acked-by: Ben Cahill <ben.m.cahill@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 1378654801ca..b520e551f7f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -364,7 +364,7 @@ enum {
CMD_WANT_SKB = (1 << 2),
};
-#define IWL_CMD_MAX_PAYLOAD 320
+#define DEF_CMD_PAYLOAD_SIZE 320
/*
* IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header,
@@ -388,7 +388,8 @@ struct iwl_device_cmd {
u16 val16;
u32 val32;
struct iwl_tx_cmd tx;
- u8 payload[IWL_CMD_MAX_PAYLOAD];
+ struct iwl6000_channel_switch_cmd chswitch;
+ u8 payload[DEF_CMD_PAYLOAD_SIZE];
} __attribute__ ((packed)) cmd;
} __attribute__ ((packed));
@@ -741,7 +742,11 @@ static inline int iwl_queue_used(const struct iwl_queue *q, int i)
static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
{
- /* This is for scan command, the big buffer at end of command array */
+ /*
+ * This is for init calibration result and scan command which
+ * required buffer > TFD_MAX_PAYLOAD_SIZE,
+ * the big buffer at end of command array
+ */
if (is_huge)
return q->n_window; /* must be power of 2 */