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mac80211: clean up global debugfs statistics 

The debugfs statistics macros are pointlessly verbose, so change
that macro to just have a single argument. While at it, remove
the unused counters and rename rx_expand_skb_head2 to the better
rx_expand_skb_head_defrag.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-04-22 20:25:20 +02:00
parent b8e69d51ff
commit f1160434c7
3 changed files with 28 additions and 52 deletions
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74
net/mac80211/debugfs.c
View File

@ -219,8 +219,8 @@ static const struct file_operations stats_ ##name## _ops = { \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_STATS_ADD(name, field) \
debugfs_create_u32(#name, 0400, statsd, (u32 *) &field);
#define DEBUGFS_STATS_ADD(name) \
debugfs_create_u32(#name, 0400, statsd, &local->name);
#define DEBUGFS_DEVSTATS_ADD(name) \
debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
@ -255,53 +255,31 @@ void debugfs_hw_add(struct ieee80211_local *local)
if (!statsd)
return;
DEBUGFS_STATS_ADD(transmitted_fragment_count,
local->dot11TransmittedFragmentCount);
DEBUGFS_STATS_ADD(multicast_transmitted_frame_count,
local->dot11MulticastTransmittedFrameCount);
DEBUGFS_STATS_ADD(failed_count, local->dot11FailedCount);
DEBUGFS_STATS_ADD(retry_count, local->dot11RetryCount);
DEBUGFS_STATS_ADD(multiple_retry_count,
local->dot11MultipleRetryCount);
DEBUGFS_STATS_ADD(frame_duplicate_count,
local->dot11FrameDuplicateCount);
DEBUGFS_STATS_ADD(received_fragment_count,
local->dot11ReceivedFragmentCount);
DEBUGFS_STATS_ADD(multicast_received_frame_count,
local->dot11MulticastReceivedFrameCount);
DEBUGFS_STATS_ADD(transmitted_frame_count,
local->dot11TransmittedFrameCount);
DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
DEBUGFS_STATS_ADD(dot11FailedCount);
DEBUGFS_STATS_ADD(dot11RetryCount);
DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_STATS_ADD(tx_handlers_drop, local->tx_handlers_drop);
DEBUGFS_STATS_ADD(tx_handlers_queued, local->tx_handlers_queued);
DEBUGFS_STATS_ADD(tx_handlers_drop_fragment,
local->tx_handlers_drop_fragment);
DEBUGFS_STATS_ADD(tx_handlers_drop_wep,
local->tx_handlers_drop_wep);
DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc,
local->tx_handlers_drop_not_assoc);
DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port,
local->tx_handlers_drop_unauth_port);
DEBUGFS_STATS_ADD(rx_handlers_drop, local->rx_handlers_drop);
DEBUGFS_STATS_ADD(rx_handlers_queued, local->rx_handlers_queued);
DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc,
local->rx_handlers_drop_nullfunc);
DEBUGFS_STATS_ADD(rx_handlers_drop_defrag,
local->rx_handlers_drop_defrag);
DEBUGFS_STATS_ADD(rx_handlers_drop_short,
local->rx_handlers_drop_short);
DEBUGFS_STATS_ADD(tx_expand_skb_head,
local->tx_expand_skb_head);
DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned,
local->tx_expand_skb_head_cloned);
DEBUGFS_STATS_ADD(rx_expand_skb_head,
local->rx_expand_skb_head);
DEBUGFS_STATS_ADD(rx_expand_skb_head2,
local->rx_expand_skb_head2);
DEBUGFS_STATS_ADD(rx_handlers_fragments,
local->rx_handlers_fragments);
DEBUGFS_STATS_ADD(tx_status_drop,
local->tx_status_drop);
DEBUGFS_STATS_ADD(tx_handlers_drop);
DEBUGFS_STATS_ADD(tx_handlers_queued);
DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
DEBUGFS_STATS_ADD(rx_handlers_drop);
DEBUGFS_STATS_ADD(rx_handlers_queued);
DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
DEBUGFS_STATS_ADD(rx_handlers_drop_short);
DEBUGFS_STATS_ADD(tx_expand_skb_head);
DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
DEBUGFS_STATS_ADD(rx_handlers_fragments);
DEBUGFS_STATS_ADD(tx_status_drop);
#endif
DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);

4
net/mac80211/ieee80211_i.h
View File

@ -1282,7 +1282,6 @@ struct ieee80211_local {
/* TX/RX handler statistics */
unsigned int tx_handlers_drop;
unsigned int tx_handlers_queued;
unsigned int tx_handlers_drop_fragment;
unsigned int tx_handlers_drop_wep;
unsigned int tx_handlers_drop_not_assoc;
unsigned int tx_handlers_drop_unauth_port;
@ -1293,8 +1292,7 @@ struct ieee80211_local {
unsigned int rx_handlers_drop_short;
unsigned int tx_expand_skb_head;
unsigned int tx_expand_skb_head_cloned;
unsigned int rx_expand_skb_head;
unsigned int rx_expand_skb_head2;
unsigned int rx_expand_skb_head_defrag;
unsigned int rx_handlers_fragments;
unsigned int tx_status_drop;
#define I802_DEBUG_INC(c) (c)++

2
net/mac80211/rx.c
View File

@ -1868,7 +1868,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
rx->skb = __skb_dequeue(&entry->skb_list);
if (skb_tailroom(rx->skb) < entry->extra_len) {
I802_DEBUG_INC(rx->local->rx_expand_skb_head2);
I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag);
if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len,
GFP_ATOMIC))) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);