From: Felix Fietkau <nbd@openwrt.org>
To: linux-wireless <linux-wireless@vger.kernel.org>
Cc: "John W. Linville" <linville@tuxdriver.com>,
Johannes Berg <johannes@sipsolutions.net>
Subject: [PATCH] mac80211: reduce debugfs code size
Date: Wed, 02 Jun 2010 02:57:34 +0200 [thread overview]
Message-ID: <4C05AC7E.2060002@openwrt.org> (raw)
This patch reduces the binary size by around 25k (measured on MIPS,
with CONFIG_MAC80211_DEBUG_COUNTERS enabled).
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -307,9 +307,6 @@ static const struct file_operations queu
/* statistics stuff */
-#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
- DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
-
static ssize_t format_devstat_counter(struct ieee80211_local *local,
char __user *userbuf,
size_t count, loff_t *ppos,
@@ -351,75 +348,16 @@ static const struct file_operations stat
.open = mac80211_open_file_generic, \
};
-#define DEBUGFS_STATS_ADD(name) \
+#define DEBUGFS_STATS_ADD(name, field) \
+ debugfs_create_u32(#name, 0400, statsd, (u32 *) &field);
+#define DEBUGFS_DEVSTATS_ADD(name) \
debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
-DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
- local->dot11TransmittedFragmentCount);
-DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
- local->dot11MulticastTransmittedFrameCount);
-DEBUGFS_STATS_FILE(failed_count, 20, "%u",
- local->dot11FailedCount);
-DEBUGFS_STATS_FILE(retry_count, 20, "%u",
- local->dot11RetryCount);
-DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
- local->dot11MultipleRetryCount);
-DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
- local->dot11FrameDuplicateCount);
-DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
- local->dot11ReceivedFragmentCount);
-DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
- local->dot11MulticastReceivedFrameCount);
-DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
- local->dot11TransmittedFrameCount);
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
- local->tx_handlers_drop);
-DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
- local->tx_handlers_queued);
-DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
- local->tx_handlers_drop_unencrypted);
-DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
- local->tx_handlers_drop_fragment);
-DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
- local->tx_handlers_drop_wep);
-DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
- local->tx_handlers_drop_not_assoc);
-DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
- local->tx_handlers_drop_unauth_port);
-DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
- local->rx_handlers_drop);
-DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
- local->rx_handlers_queued);
-DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
- local->rx_handlers_drop_nullfunc);
-DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
- local->rx_handlers_drop_defrag);
-DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
- local->rx_handlers_drop_short);
-DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
- local->rx_handlers_drop_passive_scan);
-DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
- local->tx_expand_skb_head);
-DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
- local->tx_expand_skb_head_cloned);
-DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
- local->rx_expand_skb_head);
-DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
- local->rx_expand_skb_head2);
-DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
- local->rx_handlers_fragments);
-DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
- local->tx_status_drop);
-
-#endif
-
DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
-
void debugfs_hw_add(struct ieee80211_local *local)
{
struct dentry *phyd = local->hw.wiphy->debugfsdir;
@@ -448,38 +386,60 @@ void debugfs_hw_add(struct ieee80211_loc
if (!statsd)
return;
- DEBUGFS_STATS_ADD(transmitted_fragment_count);
- DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
- DEBUGFS_STATS_ADD(failed_count);
- DEBUGFS_STATS_ADD(retry_count);
- DEBUGFS_STATS_ADD(multiple_retry_count);
- DEBUGFS_STATS_ADD(frame_duplicate_count);
- DEBUGFS_STATS_ADD(received_fragment_count);
- DEBUGFS_STATS_ADD(multicast_received_frame_count);
- DEBUGFS_STATS_ADD(transmitted_frame_count);
+ 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);
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
- DEBUGFS_STATS_ADD(tx_handlers_drop);
- DEBUGFS_STATS_ADD(tx_handlers_queued);
- DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
- DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
- 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(rx_handlers_drop_passive_scan);
- DEBUGFS_STATS_ADD(tx_expand_skb_head);
- DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
- DEBUGFS_STATS_ADD(rx_expand_skb_head);
- DEBUGFS_STATS_ADD(rx_expand_skb_head2);
- DEBUGFS_STATS_ADD(rx_handlers_fragments);
- DEBUGFS_STATS_ADD(tx_status_drop);
+ 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_unencrypted,
+ local->tx_handlers_drop_unencrypted);
+ 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(rx_handlers_drop_passive_scan,
+ local->rx_handlers_drop_passive_scan);
+ 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);
#endif
- DEBUGFS_STATS_ADD(dot11ACKFailureCount);
- DEBUGFS_STATS_ADD(dot11RTSFailureCount);
- DEBUGFS_STATS_ADD(dot11FCSErrorCount);
- DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
+ DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
+ DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
+ DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
+ DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
}
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -30,7 +30,6 @@ static ssize_t sta_ ##name## _read(struc
}
#define STA_READ_D(name, field) STA_READ(name, 20, field, "%d\n")
#define STA_READ_U(name, field) STA_READ(name, 20, field, "%u\n")
-#define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n")
#define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
#define STA_OPS(name) \
@@ -52,19 +51,7 @@ static const struct file_operations sta_
STA_FILE(aid, sta.aid, D);
STA_FILE(dev, sdata->name, S);
-STA_FILE(rx_packets, rx_packets, LU);
-STA_FILE(tx_packets, tx_packets, LU);
-STA_FILE(rx_bytes, rx_bytes, LU);
-STA_FILE(tx_bytes, tx_bytes, LU);
-STA_FILE(rx_duplicates, num_duplicates, LU);
-STA_FILE(rx_fragments, rx_fragments, LU);
-STA_FILE(rx_dropped, rx_dropped, LU);
-STA_FILE(tx_fragments, tx_fragments, LU);
-STA_FILE(tx_filtered, tx_filtered_count, LU);
-STA_FILE(tx_retry_failed, tx_retry_failed, LU);
-STA_FILE(tx_retry_count, tx_retry_count, LU);
STA_FILE(last_signal, last_signal, D);
-STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
@@ -307,6 +294,13 @@ STA_OPS(ht_capa);
debugfs_create_file(#name, 0400, \
sta->debugfs.dir, sta, &sta_ ##name## _ops);
+#define DEBUGFS_ADD_COUNTER(name, field) \
+ if (sizeof(sta->field) == sizeof(u32)) \
+ debugfs_create_u32(#name, 0400, sta->debugfs.dir, \
+ (u32 *) &sta->field); \
+ else \
+ debugfs_create_u64(#name, 0400, sta->debugfs.dir, \
+ (u64 *) &sta->field);
void ieee80211_sta_debugfs_add(struct sta_info *sta)
{
@@ -339,20 +333,21 @@ void ieee80211_sta_debugfs_add(struct st
DEBUGFS_ADD(last_seq_ctrl);
DEBUGFS_ADD(agg_status);
DEBUGFS_ADD(dev);
- DEBUGFS_ADD(rx_packets);
- DEBUGFS_ADD(tx_packets);
- DEBUGFS_ADD(rx_bytes);
- DEBUGFS_ADD(tx_bytes);
- DEBUGFS_ADD(rx_duplicates);
- DEBUGFS_ADD(rx_fragments);
- DEBUGFS_ADD(rx_dropped);
- DEBUGFS_ADD(tx_fragments);
- DEBUGFS_ADD(tx_filtered);
- DEBUGFS_ADD(tx_retry_failed);
- DEBUGFS_ADD(tx_retry_count);
DEBUGFS_ADD(last_signal);
- DEBUGFS_ADD(wep_weak_iv_count);
DEBUGFS_ADD(ht_capa);
+
+ DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);
+ DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
+ DEBUGFS_ADD_COUNTER(rx_bytes, rx_bytes);
+ DEBUGFS_ADD_COUNTER(tx_bytes, tx_bytes);
+ DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates);
+ DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments);
+ DEBUGFS_ADD_COUNTER(rx_dropped, rx_dropped);
+ DEBUGFS_ADD_COUNTER(tx_fragments, tx_fragments);
+ DEBUGFS_ADD_COUNTER(tx_filtered, tx_filtered_count);
+ DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed);
+ DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count);
+ DEBUGFS_ADD_COUNTER(wep_weak_iv_count, wep_weak_iv_count);
}
void ieee80211_sta_debugfs_remove(struct sta_info *sta)
reply other threads:[~2010-06-02 0:57 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C05AC7E.2060002@openwrt.org \
--to=nbd@openwrt.org \
--cc=johannes@sipsolutions.net \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.