diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h new file mode 100644 index 000000000000..b87acd6a229b --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h @@ -0,0 +1,89 @@ +/****************************************************************************** + * + * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#ifndef __IWLWIFI_DEVICE_TRACE +#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; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + if (!ieee80211_is_data(hdr->frame_control)) + return false; + return !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO); +} + +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> +#include <linux/device.h> +#include "iwl-trans.h" + + +#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__) +#undef TRACE_EVENT +#define TRACE_EVENT(name, proto, ...) \ +static inline void trace_ ## name(proto) {} +#undef DECLARE_EVENT_CLASS +#define DECLARE_EVENT_CLASS(...) +#undef DEFINE_EVENT +#define DEFINE_EVENT(evt_class, name, proto, ...) \ +static inline void trace_ ## name(proto) {} +#endif + +#define DEV_ENTRY __string(dev, dev_name(dev)) +#define DEV_ASSIGN __assign_str(dev, dev_name(dev)) + +#include "iwl-devtrace-io.h" +#include "iwl-devtrace-ucode.h" +#include "iwl-devtrace-msg.h" +#include "iwl-devtrace-data.h" +#include "iwl-devtrace-iwlwifi.h" + +#endif /* __IWLWIFI_DEVICE_TRACE */ |