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Message-ID: <1381837514-50660-6-git-send-email-wangkefeng.wang@huawei.com>
Date: Tue, 15 Oct 2013 19:45:01 +0800
From: Kefeng Wang <wangkefeng.wang@...wei.com>
To: <linux-kernel@...r.kernel.org>
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"David S. Miller" <davem@...emloft.net>,
Pablo Neira Ayuso <pablo@...filter.org>,
"Stephen Hemminger" <stephen@...workplumber.org>,
Johannes Berg <johannes@...solutions.net>,
"John W. Linville" <linville@...driver.com>,
Stanislaw Gruszka <sgruszka@...hat.com>,
Johannes Berg <johannes.berg@...el.com>,
Francois Romieu <romieu@...zoreil.com>,
"Ben Hutchings" <bhutchings@...arflare.com>,
Chas Williams <chas@....nrl.navy.mil>,
Marc Kleine-Budde <mkl@...gutronix.de>,
Samuel Ortiz <samuel@...tiz.org>,
Paul Mackerras <paulus@...ba.org>,
Oliver Neukum <oneukum@...e.de>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
"Boris Ostrovsky" <boris.ostrovsky@...cle.com>,
David Vrabel <david.vrabel@...rix.com>,
Rusty Russell <rusty@...tcorp.com.au>,
"Michael S. Tsirkin" <mst@...hat.com>, <netfilter@...r.kernel.org>,
<netdev@...r.kernel.org>, <linux-wireless@...r.kernel.org>,
<guohanjun@...wei.com>
Subject: [PATCH 05/18] rt18192u: use wrapper functions of net_ratelimit() to simplify code
net_XXX_ratelimited() is called to simplify code.
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
.../rtl8192u/ieee80211/ieee80211_crypt_ccmp.c | 17 ++++-------------
.../rtl8192u/ieee80211/ieee80211_crypt_tkip.c | 22 +++++-----------------
drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c | 7 ++-----
drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c | 4 +---
4 files changed, 12 insertions(+), 38 deletions(-)
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
index f2b1677..534f0a4 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
@@ -284,10 +284,8 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: received packet without ExtIV"
+ net_dbg_ratelimited("CCMP: received packet without ExtIV"
" flag from %pM\n", hdr->addr2);
- }
key->dot11RSNAStatsCCMPFormatErrors++;
return -2;
}
@@ -298,11 +296,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -6;
}
if (!key->key_set) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: received packet from %pM"
+ net_dbg_ratelimited("CCMP: received packet from %pM"
" with keyid=%d that does not have a configured"
" key\n", hdr->addr2, keyidx);
- }
return -3;
}
@@ -315,11 +311,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos += 8;
if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
+ net_dbg_ratelimited("CCMP: replay detected: STA=%pM"
" previous PN %pm received PN %pm\n",
hdr->addr2, key->rx_pn, pn);
- }
key->dot11RSNAStatsCCMPReplays++;
return -4;
}
@@ -353,10 +347,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
}
if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: decrypt failed: STA="
- "%pM\n", hdr->addr2);
- }
+ net_dbg_ratelimited("CCMP: decrypt failed: STA=%pM\n", hdr->addr2);
key->dot11RSNAStatsCCMPDecryptErrors++;
return -5;
}
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
index 93121b4..7bb5a96 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
@@ -406,10 +406,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet without ExtIV"
+ net_dbg_ratelimited("TKIP: received packet without ExtIV"
" flag from %pM\n", hdr->addr2);
- }
return -2;
}
keyidx >>= 6;
@@ -419,11 +417,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -6;
}
if (!tkey->key_set) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet from %pM"
+ net_dbg_ratelimited("TKIP: received packet from %pM"
" with keyid=%d that does not have a configured"
" key\n", hdr->addr2, keyidx);
- }
return -3;
}
iv16 = (pos[0] << 8) | pos[2];
@@ -434,12 +430,10 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
if (iv32 < tkey->rx_iv32 ||
(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
+ net_dbg_ratelimited("TKIP: replay detected: STA=%pM"
" previous TSC %08x%04x received TSC "
"%08x%04x\n", hdr->addr2,
tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
- }
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
}
@@ -456,11 +450,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
sg_init_one(&sg, pos, plen+4);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG ": TKIP: failed to decrypt "
- "received packet from %pM\n",
+ net_dbg_ratelimited("TKIP: failed to decrypt received packet from %pM\n",
hdr->addr2);
- }
return -7;
}
@@ -476,10 +467,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
* it needs to be recalculated for the next packet. */
tkey->rx_phase1_done = 0;
}
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: ICV error detected: STA="
- "%pM\n", hdr->addr2);
- }
+ net_dbg_ratelimited("TKIP: ICV error detected: STA=%pM\n", hdr->addr2);
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
}
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index 59900bf..5e6c1eb 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
@@ -355,11 +355,9 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb,
#ifdef CONFIG_IEEE80211_CRYPT_TKIP
if (ieee->tkip_countermeasures &&
strcmp(crypt->ops->name, "TKIP") == 0) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
+ net_dbg_ratelimited("%s: TKIP countermeasures: dropped "
"received packet from %pM\n",
ieee->dev->name, hdr->addr2);
- }
return -1;
}
#endif
@@ -946,8 +944,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
if(HTCCheck(ieee, skb->data))
{
- if(net_ratelimit())
- printk("find HTCControl\n");
+ net_info_ratelimited("find HTCControl\n");
hdrlen += 4;
rx_stats->bContainHTC = 1;
}
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
index a7bcc64f..55c24d7 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
@@ -197,11 +197,9 @@ int ieee80211_encrypt_fragment(
if (ieee->tkip_countermeasures &&
crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) {
header = (struct ieee80211_hdr *) frag->data;
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
+ net_dbg_ratelimited("%s: TKIP countermeasures: dropped "
"TX packet to %pM\n",
ieee->dev->name, header->addr1);
- }
return -1;
}
#endif
--
1.8.2.1
--
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