diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-devtrace.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-devtrace.h | 129 |
1 files changed, 121 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index 59a5f78402fc..dc7e26b2f383 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -25,6 +25,39 @@ *****************************************************************************/ #if !defined(__IWLWIFI_DEVICE_TRACE) || defined(TRACE_HEADER_MULTI_READ) +#include <linux/skbuff.h> +#include <linux/ieee80211.h> +#include <net/cfg80211.h> +#include "iwl-trans.h" +#if !defined(__IWLWIFI_DEVICE_TRACE) +static inline bool iwl_trace_data(struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (void *)skb->data; + + if (ieee80211_is_data(hdr->frame_control)) + return skb->protocol != cpu_to_be16(ETH_P_PAE); + return false; +} + +static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans, + void *rxbuf, size_t len) +{ + struct iwl_cmd_header *cmd = (void *)((u8 *)rxbuf + sizeof(__le32)); + struct ieee80211_hdr *hdr; + + if (cmd->cmd != trans->rx_mpdu_cmd) + return len; + + hdr = (void *)((u8 *)cmd + sizeof(struct iwl_cmd_header) + + trans->rx_mpdu_cmd_hdr_size); + if (!ieee80211_is_data(hdr->frame_control)) + return len; + /* maybe try to identify EAPOL frames? */ + return sizeof(__le32) + sizeof(*cmd) + trans->rx_mpdu_cmd_hdr_size + + ieee80211_hdrlen(hdr->frame_control); +} +#endif + #define __IWLWIFI_DEVICE_TRACE #include <linux/tracepoint.h> @@ -100,6 +133,40 @@ TRACE_EVENT(iwlwifi_dev_iowrite32, __get_str(dev), __entry->offs, __entry->val) ); +TRACE_EVENT(iwlwifi_dev_iowrite_prph32, + TP_PROTO(const struct device *dev, u32 offs, u32 val), + TP_ARGS(dev, offs, val), + TP_STRUCT__entry( + DEV_ENTRY + __field(u32, offs) + __field(u32, val) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->offs = offs; + __entry->val = val; + ), + TP_printk("[%s] write PRPH[%#x] = %#x)", + __get_str(dev), __entry->offs, __entry->val) +); + +TRACE_EVENT(iwlwifi_dev_ioread_prph32, + TP_PROTO(const struct device *dev, u32 offs, u32 val), + TP_ARGS(dev, offs, val), + TP_STRUCT__entry( + DEV_ENTRY + __field(u32, offs) + __field(u32, val) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->offs = offs; + __entry->val = val; + ), + TP_printk("[%s] read PRPH[%#x] = %#x", + __get_str(dev), __entry->offs, __entry->val) +); + TRACE_EVENT(iwlwifi_dev_irq, TP_PROTO(const struct device *dev), TP_ARGS(dev), @@ -235,6 +302,48 @@ TRACE_EVENT(iwlwifi_dbg, ); #undef TRACE_SYSTEM +#define TRACE_SYSTEM iwlwifi_data + +TRACE_EVENT(iwlwifi_dev_tx_data, + TP_PROTO(const struct device *dev, + struct sk_buff *skb, + void *data, size_t data_len), + TP_ARGS(dev, skb, data, data_len), + TP_STRUCT__entry( + DEV_ENTRY + + __dynamic_array(u8, data, iwl_trace_data(skb) ? data_len : 0) + ), + TP_fast_assign( + DEV_ASSIGN; + if (iwl_trace_data(skb)) + memcpy(__get_dynamic_array(data), data, data_len); + ), + TP_printk("[%s] TX frame data", __get_str(dev)) +); + +TRACE_EVENT(iwlwifi_dev_rx_data, + TP_PROTO(const struct device *dev, + const struct iwl_trans *trans, + void *rxbuf, size_t len), + TP_ARGS(dev, trans, rxbuf, len), + TP_STRUCT__entry( + DEV_ENTRY + + __dynamic_array(u8, data, + len - iwl_rx_trace_len(trans, rxbuf, len)) + ), + TP_fast_assign( + size_t offs = iwl_rx_trace_len(trans, rxbuf, len); + DEV_ASSIGN; + if (offs < len) + memcpy(__get_dynamic_array(data), + ((u8 *)rxbuf) + offs, len - offs); + ), + TP_printk("[%s] RX frame data", __get_str(dev)) +); + +#undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi TRACE_EVENT(iwlwifi_dev_hcmd, @@ -270,25 +379,28 @@ TRACE_EVENT(iwlwifi_dev_hcmd, ); TRACE_EVENT(iwlwifi_dev_rx, - TP_PROTO(const struct device *dev, void *rxbuf, size_t len), - TP_ARGS(dev, rxbuf, len), + TP_PROTO(const struct device *dev, const struct iwl_trans *trans, + void *rxbuf, size_t len), + TP_ARGS(dev, trans, rxbuf, len), TP_STRUCT__entry( DEV_ENTRY - __dynamic_array(u8, rxbuf, len) + __dynamic_array(u8, rxbuf, iwl_rx_trace_len(trans, rxbuf, len)) ), TP_fast_assign( DEV_ASSIGN; - memcpy(__get_dynamic_array(rxbuf), rxbuf, len); + memcpy(__get_dynamic_array(rxbuf), rxbuf, + iwl_rx_trace_len(trans, rxbuf, len)); ), TP_printk("[%s] RX cmd %#.2x", __get_str(dev), ((u8 *)__get_dynamic_array(rxbuf))[4]) ); TRACE_EVENT(iwlwifi_dev_tx, - TP_PROTO(const struct device *dev, void *tfd, size_t tfdlen, + TP_PROTO(const struct device *dev, struct sk_buff *skb, + void *tfd, size_t tfdlen, void *buf0, size_t buf0_len, void *buf1, size_t buf1_len), - TP_ARGS(dev, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len), + TP_ARGS(dev, skb, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len), TP_STRUCT__entry( DEV_ENTRY @@ -301,14 +413,15 @@ TRACE_EVENT(iwlwifi_dev_tx, * for the possible padding). */ __dynamic_array(u8, buf0, buf0_len) - __dynamic_array(u8, buf1, buf1_len) + __dynamic_array(u8, buf1, iwl_trace_data(skb) ? 0 : buf1_len) ), TP_fast_assign( DEV_ASSIGN; __entry->framelen = buf0_len + buf1_len; memcpy(__get_dynamic_array(tfd), tfd, tfdlen); memcpy(__get_dynamic_array(buf0), buf0, buf0_len); - memcpy(__get_dynamic_array(buf1), buf1, buf1_len); + if (!iwl_trace_data(skb)) + memcpy(__get_dynamic_array(buf1), buf1, buf1_len); ), TP_printk("[%s] TX %.2x (%zu bytes)", __get_str(dev), ((u8 *)__get_dynamic_array(buf0))[0], |