From d65292375154085feb7217ed8fccc8edf163c6b2 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Thu, 19 Jan 2006 16:20:49 +0800
Subject: [PATCH] [PATCH] ieee80211: Log if netif_rx() drops the packet
Log to wireless network stats if netif_rx() drops the packet.
(also trailing whitespace and Lindent cleanups as part of patch-apply
process)
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
net/ieee80211/ieee80211_crypt.c | 11 +++++------
net/ieee80211/ieee80211_rx.c | 9 ++++++++-
2 files changed, 13 insertions(+), 7 deletions(-)
diff --git a/net/ieee80211/ieee80211_crypt.c b/net/ieee80211/ieee80211_crypt.c
index ecc9bb196abc..cb71d794a7d1 100644
--- a/net/ieee80211/ieee80211_crypt.c
+++ b/net/ieee80211/ieee80211_crypt.c
@@ -18,7 +18,6 @@
#include <linux/string.h>
#include <net/ieee80211.h>
-
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("HostAP crypto");
MODULE_LICENSE("GPL");
@@ -33,11 +32,11 @@ static DEFINE_SPINLOCK(ieee80211_crypto_lock);
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, int force)
{
- struct ieee80211_crypt_data *entry, *next;
+ struct ieee80211_crypt_data *entry, *next;
unsigned long flags;
spin_lock_irqsave(&ieee->lock, flags);
- list_for_each_entry_safe(entry, next, &ieee->crypt_deinit_list, list) {
+ list_for_each_entry_safe(entry, next, &ieee->crypt_deinit_list, list) {
if (atomic_read(&entry->refcnt) != 0 && !force)
continue;
@@ -141,9 +140,9 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
spin_unlock_irqrestore(&ieee80211_crypto_lock, flags);
return -EINVAL;
- found:
+ found:
printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm "
- "'%s'\n", ops->name);
+ "'%s'\n", ops->name);
list_del(&alg->list);
spin_unlock_irqrestore(&ieee80211_crypto_lock, flags);
kfree(alg);
@@ -163,7 +162,7 @@ struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name)
spin_unlock_irqrestore(&ieee80211_crypto_lock, flags);
return NULL;
- found:
+ found:
spin_unlock_irqrestore(&ieee80211_crypto_lock, flags);
return alg->ops;
}
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 695d0478fd12..3ae91118c736 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -754,7 +754,14 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
memset(skb->cb, 0, sizeof(skb->cb));
skb->dev = dev;
skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */
- netif_rx(skb);
+ if (netif_rx(skb) == NET_RX_DROP) {
+ /* netif_rx always succeeds, but it might drop
+ * the packet. If it drops the packet, we log that
+ * in our stats. */
+ IEEE80211_DEBUG_DROP
+ ("RX: netif_rx dropped the packet\n");
+ stats->rx_dropped++;
+ }
}
rx_exit:
--
2.30.9