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authorZhu Yi <yi.zhu@intel.com>2010-02-25 14:15:27 +0800
committerJohn W. Linville <linville@tuxdriver.com>2010-03-10 17:09:38 -0500
commit34dd5feb8b8b15654714731e1dbb34a6d37fb34e (patch)
tree00a4a4a9f5e9df26849f6e8b0ed46d353ee072c2 /drivers/net/wireless/iwmc3200wifi/rx.c
parent04d1c22761f33ac8f345665e7ef809c875142425 (diff)
iwmc3200wifi: add ftrace event tracing support
Add event tracer for iwmc3200wifi driver. When enabled, all the commands and responses between the driver and firmware (also including Tx/Rx frames) will be recorded in the ftrace ring buffer. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/rx.c')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/rx.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index cbaf8ae3aa37..38d950b0f24b 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1235,18 +1235,24 @@ static int iwm_rx_handle_wifi(struct iwm_priv *iwm, u8 *buf,
u8 source, cmd_id;
u16 seq_num;
u32 count;
- u8 resp;
wifi_hdr = (struct iwm_umac_wifi_in_hdr *)buf;
cmd_id = wifi_hdr->sw_hdr.cmd.cmd;
-
source = GET_VAL32(wifi_hdr->hw_hdr.cmd, UMAC_HDI_IN_CMD_SOURCE);
if (source >= IWM_SRC_NUM) {
IWM_CRIT(iwm, "invalid source %d\n", source);
return -EINVAL;
}
- count = (GET_VAL32(wifi_hdr->sw_hdr.meta_data, UMAC_FW_CMD_BYTE_COUNT));
+ if (cmd_id == REPLY_RX_MPDU_CMD)
+ trace_iwm_rx_packet(iwm, buf, buf_size);
+ else if ((cmd_id == UMAC_NOTIFY_OPCODE_RX_TICKET) &&
+ (source == UMAC_HDI_IN_SOURCE_FW))
+ trace_iwm_rx_ticket(iwm, buf, buf_size);
+ else
+ trace_iwm_rx_wifi_cmd(iwm, wifi_hdr);
+
+ count = GET_VAL32(wifi_hdr->sw_hdr.meta_data, UMAC_FW_CMD_BYTE_COUNT);
count += sizeof(struct iwm_umac_wifi_in_hdr) -
sizeof(struct iwm_dev_cmd_hdr);
if (count > buf_size) {
@@ -1254,8 +1260,6 @@ static int iwm_rx_handle_wifi(struct iwm_priv *iwm, u8 *buf,
return -EINVAL;
}
- resp = GET_VAL32(wifi_hdr->sw_hdr.meta_data, UMAC_FW_CMD_STATUS);
-
seq_num = le16_to_cpu(wifi_hdr->sw_hdr.cmd.seq_num);
IWM_DBG_RX(iwm, DBG, "CMD:0x%x, source: 0x%x, seqnum: %d\n",
@@ -1330,6 +1334,7 @@ static int iwm_rx_handle_nonwifi(struct iwm_priv *iwm, u8 *buf,
struct iwm_udma_in_hdr *hdr = (struct iwm_udma_in_hdr *)buf;
struct iwm_nonwifi_cmd *cmd;
+ trace_iwm_rx_nonwifi_cmd(iwm, buf, buf_size);
seq_num = GET_VAL32(hdr->cmd, UDMA_HDI_IN_CMD_NON_WIFI_HW_SEQ_NUM);
/*