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iwlwifi: add debugging for TX path 

When debugging TX issues it is helpful to know the seq nr of the
frame being transmitted. The seq nr is printed as part of ucode's
log informing us which frame is being processed. Having this information
printed in driver log makes it easy to match activities between driver
and firmware.

Also make possible to print TX flags directly. These are already printed
as part of entire TX command, but having it printed directly in cpu format
makes it easier to look at.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Reinette Chatre 2009-04-21 10:55:47 -07:00 committed by John W. Linville
parent c491bf1205
commit d2ee9cd2e2
2 changed files with 6 additions and 2 deletions
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4
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -875,8 +875,10 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
txq->need_update = 0;
}
IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n",
le16_to_cpu(out_cmd->hdr.sequence));
IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx_cmd->tx_flags));
iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd));
iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
/* Set up entry for this TFD in Tx byte-count array */

4
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -1146,8 +1146,10 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
txq->need_update = 0;
}
IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n",
le16_to_cpu(out_cmd->hdr.sequence));
IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx->tx_flags));
iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx));
iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr,
ieee80211_hdrlen(fc));