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Message-ID: <1381837514-50660-4-git-send-email-wangkefeng.wang@huawei.com>
Date: Tue, 15 Oct 2013 19:44:59 +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 03/18] rt18187se: use wrapper functions of net_ratelimit() to simplify code
Wrapper functions net_ratelimited_function() and net_XXX_ratelimited()
are called to simplify code.
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
.../rtl8187se/ieee80211/ieee80211_crypt_ccmp.c | 16 ++++---------
.../rtl8187se/ieee80211/ieee80211_crypt_tkip.c | 27 ++++++----------------
drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c | 4 +---
drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c | 7 ++----
4 files changed, 14 insertions(+), 40 deletions(-)
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
index f5949e8..be6c5a1 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
@@ -282,10 +282,8 @@ 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()) {
- pr_debug("received packet without ExtIV flag from %pM\n",
+ net_dbg_ratelimited("received packet without ExtIV flag from %pM\n",
hdr->addr2);
- }
key->dot11RSNAStatsCCMPFormatErrors++;
return -2;
}
@@ -296,10 +294,8 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -6;
}
if (!key->key_set) {
- if (net_ratelimit()) {
- pr_debug("received packet from %pM with keyid=%d that does not have a configured key\n",
+ net_dbg_ratelimited("received packet from %pM with keyid=%d that does not have a configured key\n",
hdr->addr2, keyidx);
- }
return -3;
}
@@ -312,10 +308,8 @@ 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()) {
- pr_debug("replay detected: STA=%pM previous PN %pm received PN %pm\n",
+ net_dbg_ratelimited("replay detected: STA=%pM previous PN %pm received PN %pm\n",
hdr->addr2, key->rx_pn, pn);
- }
key->dot11RSNAStatsCCMPReplays++;
return -4;
}
@@ -340,9 +334,7 @@ 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())
- pr_debug("decrypt failed: STA=%pM\n", hdr->addr2);
-
+ net_dbg_ratelimited("decrypt failed: STA=%pM\n", hdr->addr2);
key->dot11RSNAStatsCCMPDecryptErrors++;
return -5;
}
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
index da24e43..03e1961 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
@@ -381,10 +381,8 @@ 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;
@@ -394,11 +392,9 @@ 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];
@@ -407,12 +403,9 @@ 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"
- " previous TSC %08x%04x received TSC "
- "%08x%04x\n", hdr->addr2,
- tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
- }
+ 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;
}
@@ -427,11 +420,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
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;
}
@@ -446,10 +436,7 @@ 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/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
index 10b2210..fa125f2 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
@@ -307,11 +307,9 @@ 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()) {
- netdev_dbg(ieee->dev,
+ net_ratelimited_function(netdev_dbg, ieee->dev,
"TKIP countermeasures: dropped received packet from %pM\n",
ieee->dev->name, hdr->addr2);
- }
return -1;
}
#endif
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
index b346653..366b1df3 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
@@ -196,11 +196,8 @@ int ieee80211_encrypt_fragment(
if (ieee->tkip_countermeasures &&
crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) {
header = (struct ieee80211_hdr_4addr *)frag->data;
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
- "TX packet to %pM\n",
- ieee->dev->name, header->addr1);
- }
+ 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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