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authorReinette Chatre <reinette.chatre@intel.com>2009-04-21 17:55:47 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2009-04-21 20:43:34 (GMT)
commitd2ee9cd2e2bdfa2e5817142d6f044697066d3977 (patch)
tree9e4dec9fd4c009b8ce12f3bd1529ef2b455d3cc1
parentc491bf1205485c83086bf4f2f26ca6598d48133a (diff)
downloadlinux-d2ee9cd2e2bdfa2e5817142d6f044697066d3977.tar.xz
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>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 1f117a4..8ef53e2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -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 */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 1299479..acefc37 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -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));