mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 21:48:59 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7211 3c298f89-4303-0410-b956-a3cf2f4a3e73
274 lines
11 KiB
Diff
274 lines
11 KiB
Diff
diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c 2007-05-13 18:17:56.785936264 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c 2007-05-13 18:17:56.878922128 +0200
|
|
@@ -5640,6 +5640,7 @@
|
|
u_int phyerr;
|
|
int processed = 0, early_stop = 0;
|
|
int rx_limit = dev->quota;
|
|
+ int mic_fail = 0;
|
|
|
|
/* Let the 802.11 layer know about the new noise floor */
|
|
ic->ic_channoise = sc->sc_channoise;
|
|
@@ -5734,32 +5735,16 @@
|
|
}
|
|
if (ds->ds_rxstat.rs_status & HAL_RXERR_MIC) {
|
|
sc->sc_stats.ast_rx_badmic++;
|
|
- /*
|
|
- * Do minimal work required to hand off
|
|
- * the 802.11 header for notification.
|
|
- */
|
|
- /* XXX frag's and QoS frames */
|
|
- len = ds->ds_rxstat.rs_datalen;
|
|
- if (len >= sizeof (struct ieee80211_frame)) {
|
|
- bus_dma_sync_single(sc->sc_bdev,
|
|
- bf->bf_skbaddr, len,
|
|
- BUS_DMA_FROMDEVICE);
|
|
-#if 0
|
|
-/* XXX revalidate MIC, lookup ni to find VAP */
|
|
- ieee80211_notify_michael_failure(ic,
|
|
- (struct ieee80211_frame *) skb->data,
|
|
- sc->sc_splitmic ?
|
|
- ds->ds_rxstat.rs_keyix - 32 :
|
|
- ds->ds_rxstat.rs_keyix
|
|
- );
|
|
-#endif
|
|
- }
|
|
+ mic_fail = 1;
|
|
}
|
|
/*
|
|
* Reject error frames if we have no vaps that
|
|
* are operating in monitor mode.
|
|
*/
|
|
- if(sc->sc_nmonvaps == 0) goto rx_next;
|
|
+ if ((ds->ds_rxstat.rs_status & ~HAL_RXERR_MIC) &&
|
|
+ ((ds->ds_rxstat.rs_status &~ HAL_RXERR_DECRYPT) ||
|
|
+ (sc->sc_ic.ic_opmode != IEEE80211_M_MONITOR)))
|
|
+ goto rx_next;
|
|
}
|
|
rx_accept:
|
|
/*
|
|
@@ -5843,6 +5828,20 @@
|
|
ds->ds_rxstat.rs_rssi);
|
|
}
|
|
|
|
+ /* MIC failure. Drop the packet in any case */
|
|
+ if (mic_fail) {
|
|
+ ni = ieee80211_find_rxnode(ic,
|
|
+ (const struct ieee80211_frame_min *) skb->data);
|
|
+ if (ni != NULL) {
|
|
+ ieee80211_check_mic(ni, skb);
|
|
+ ieee80211_unref_node(&ni);
|
|
+ }
|
|
+ dev_kfree_skb_any(skb);
|
|
+ skb = NULL;
|
|
+ mic_fail = 0;
|
|
+ goto rx_next;
|
|
+ }
|
|
+
|
|
/*
|
|
* Locate the node for sender, track state, and then
|
|
* pass the (referenced) node up to the 802.11 layer
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_ccmp.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_ccmp.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_ccmp.c 2007-04-13 07:53:25.000000000 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_ccmp.c 2007-05-13 18:17:56.879921976 +0200
|
|
@@ -78,7 +78,7 @@
|
|
static int ccmp_encap(struct ieee80211_key *, struct sk_buff *, u_int8_t);
|
|
static int ccmp_decap(struct ieee80211_key *, struct sk_buff *, int);
|
|
static int ccmp_enmic(struct ieee80211_key *, struct sk_buff *, int);
|
|
-static int ccmp_demic(struct ieee80211_key *, struct sk_buff *, int);
|
|
+static int ccmp_demic(struct ieee80211_key *, struct sk_buff *, int, int);
|
|
|
|
static const struct ieee80211_cipher ccmp = {
|
|
.ic_name = "AES-CCM",
|
|
@@ -298,7 +298,7 @@
|
|
* Verify and strip MIC from the frame.
|
|
*/
|
|
static int
|
|
-ccmp_demic(struct ieee80211_key *k, struct sk_buff *skb, int hdrlen)
|
|
+ccmp_demic(struct ieee80211_key *k, struct sk_buff *skb, int hdrlen, int force)
|
|
{
|
|
return 1;
|
|
}
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto.h madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto.h
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto.h 2007-04-25 22:29:55.000000000 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto.h 2007-05-13 18:17:56.880921824 +0200
|
|
@@ -145,7 +145,7 @@
|
|
int (*ic_encap)(struct ieee80211_key *, struct sk_buff *, u_int8_t);
|
|
int (*ic_decap)(struct ieee80211_key *, struct sk_buff *, int);
|
|
int (*ic_enmic)(struct ieee80211_key *, struct sk_buff *, int);
|
|
- int (*ic_demic)(struct ieee80211_key *, struct sk_buff *, int);
|
|
+ int (*ic_demic)(struct ieee80211_key *, struct sk_buff *, int, int);
|
|
};
|
|
extern const struct ieee80211_cipher ieee80211_cipher_none;
|
|
|
|
@@ -163,10 +163,10 @@
|
|
*/
|
|
static __inline int
|
|
ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k,
|
|
- struct sk_buff *skb, int hdrlen)
|
|
+ struct sk_buff *skb, int hdrlen, int force)
|
|
{
|
|
const struct ieee80211_cipher *cip = k->wk_cipher;
|
|
- return (cip->ic_miclen > 0 ? cip->ic_demic(k, skb, hdrlen) : 1);
|
|
+ return (cip->ic_miclen > 0 ? cip->ic_demic(k, skb, hdrlen, force) : 1);
|
|
}
|
|
|
|
/*
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_none.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_none.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_none.c 2006-09-20 10:45:13.000000000 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_none.c 2007-05-13 18:17:56.880921824 +0200
|
|
@@ -52,7 +52,7 @@
|
|
static int none_encap(struct ieee80211_key *, struct sk_buff *, u_int8_t);
|
|
static int none_decap(struct ieee80211_key *, struct sk_buff *, int);
|
|
static int none_enmic(struct ieee80211_key *, struct sk_buff *, int);
|
|
-static int none_demic(struct ieee80211_key *, struct sk_buff *, int);
|
|
+static int none_demic(struct ieee80211_key *, struct sk_buff *, int, int);
|
|
|
|
const struct ieee80211_cipher ieee80211_cipher_none = {
|
|
.ic_name = "NONE",
|
|
@@ -137,7 +137,7 @@
|
|
}
|
|
|
|
static int
|
|
-none_demic(struct ieee80211_key *k, struct sk_buff *skb, int hdrlen)
|
|
+none_demic(struct ieee80211_key *k, struct sk_buff *skb, int hdrlen, int force)
|
|
{
|
|
struct ieee80211vap *vap = k->wk_private;
|
|
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_tkip.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_tkip.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_tkip.c 2007-01-30 04:51:52.000000000 +0100
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_tkip.c 2007-05-13 18:17:56.880921824 +0200
|
|
@@ -57,7 +57,7 @@
|
|
static int tkip_encap(struct ieee80211_key *, struct sk_buff *, u_int8_t);
|
|
static int tkip_enmic(struct ieee80211_key *, struct sk_buff *, int);
|
|
static int tkip_decap(struct ieee80211_key *, struct sk_buff *, int);
|
|
-static int tkip_demic(struct ieee80211_key *, struct sk_buff *, int);
|
|
+static int tkip_demic(struct ieee80211_key *, struct sk_buff *, int, int);
|
|
|
|
static const struct ieee80211_cipher tkip = {
|
|
.ic_name = "TKIP",
|
|
@@ -339,7 +339,7 @@
|
|
* Verify and strip MIC from the frame.
|
|
*/
|
|
static int
|
|
-tkip_demic(struct ieee80211_key *k, struct sk_buff *skb0, int hdrlen)
|
|
+tkip_demic(struct ieee80211_key *k, struct sk_buff *skb0, int hdrlen, int force)
|
|
{
|
|
struct tkip_ctx *ctx = k->wk_private;
|
|
struct sk_buff *skb;
|
|
@@ -355,7 +355,7 @@
|
|
}
|
|
wh = (struct ieee80211_frame *) skb0->data;
|
|
/* NB: skb left pointing at last in chain */
|
|
- if (k->wk_flags & IEEE80211_KEY_SWMIC) {
|
|
+ if ((k->wk_flags & IEEE80211_KEY_SWMIC) || force) {
|
|
struct ieee80211vap *vap = ctx->tc_vap;
|
|
u8 mic[IEEE80211_WEP_MICLEN];
|
|
u8 mic0[IEEE80211_WEP_MICLEN];
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_wep.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_wep.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_crypto_wep.c 2006-09-20 10:45:13.000000000 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_crypto_wep.c 2007-05-13 18:17:56.881921672 +0200
|
|
@@ -54,7 +54,7 @@
|
|
static int wep_encap(struct ieee80211_key *, struct sk_buff *, u_int8_t);
|
|
static int wep_decap(struct ieee80211_key *, struct sk_buff *, int);
|
|
static int wep_enmic(struct ieee80211_key *, struct sk_buff *, int);
|
|
-static int wep_demic(struct ieee80211_key *, struct sk_buff *, int);
|
|
+static int wep_demic(struct ieee80211_key *, struct sk_buff *, int, int);
|
|
|
|
static const struct ieee80211_cipher wep = {
|
|
.ic_name = "WEP",
|
|
@@ -244,7 +244,7 @@
|
|
* Verify and strip MIC from the frame.
|
|
*/
|
|
static int
|
|
-wep_demic(struct ieee80211_key *k, struct sk_buff *skb, int hdrlen)
|
|
+wep_demic(struct ieee80211_key *k, struct sk_buff *skb, int hdrlen, int force)
|
|
{
|
|
return 1;
|
|
}
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_input.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_input.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_input.c 2007-05-13 18:17:56.786936112 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_input.c 2007-05-13 18:17:56.883921368 +0200
|
|
@@ -654,7 +654,7 @@
|
|
* Next strip any MSDU crypto bits.
|
|
*/
|
|
if (key != NULL &&
|
|
- !ieee80211_crypto_demic(vap, key, skb, hdrspace)) {
|
|
+ !ieee80211_crypto_demic(vap, key, skb, hdrspace, 0)) {
|
|
IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
|
|
ni->ni_macaddr, "data", "%s", "demic error");
|
|
IEEE80211_NODE_STAT(ni, rx_demicfail);
|
|
@@ -3734,6 +3734,47 @@
|
|
}
|
|
#endif
|
|
|
|
+/*
|
|
+ * Process a frame w/ hw detected MIC failure.
|
|
+ * The frame will be dropped in any case.
|
|
+ */
|
|
+void
|
|
+ieee80211_check_mic(struct ieee80211_node *ni, struct sk_buff *skb)
|
|
+{
|
|
+ struct ieee80211vap *vap = ni->ni_vap;
|
|
+
|
|
+ struct ieee80211_frame *wh;
|
|
+ struct ieee80211_key *key;
|
|
+ int hdrspace;
|
|
+ struct ieee80211com *ic = vap->iv_ic;
|
|
+
|
|
+ if (skb->len < sizeof(struct ieee80211_frame_min)) {
|
|
+ IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
|
|
+ ni->ni_macaddr, NULL,
|
|
+ "too short (1): len %u", skb->len);
|
|
+ vap->iv_stats.is_rx_tooshort++;
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ wh = (struct ieee80211_frame *)skb->data;
|
|
+
|
|
+ hdrspace = ieee80211_hdrspace(ic, wh);
|
|
+ key = ieee80211_crypto_decap(ni, skb, hdrspace);
|
|
+ if (key == NULL) {
|
|
+ /* NB: stats+msgs handled in crypto_decap */
|
|
+ IEEE80211_NODE_STAT(ni, rx_wepfail);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ if (!ieee80211_crypto_demic(vap, key, skb, hdrspace, 1)) {
|
|
+ IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
|
|
+ ni->ni_macaddr, "data", "%s", "demic error");
|
|
+ IEEE80211_NODE_STAT(ni, rx_demicfail);
|
|
+ }
|
|
+ return;
|
|
+}
|
|
+EXPORT_SYMBOL(ieee80211_check_mic);
|
|
+
|
|
#ifdef IEEE80211_DEBUG
|
|
/*
|
|
* Debugging support.
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_linux.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_linux.c
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_linux.c 2007-04-25 22:29:55.000000000 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_linux.c 2007-05-13 18:17:56.883921368 +0200
|
|
@@ -309,8 +309,8 @@
|
|
|
|
/* TODO: needed parameters: count, keyid, key type, src address, TSC */
|
|
snprintf(buf, sizeof(buf), "%s(keyid=%d %scast addr=%s)", tag,
|
|
- keyix, IEEE80211_IS_MULTICAST(wh->i_addr1) ? "broad" : "uni",
|
|
- ether_sprintf(wh->i_addr1));
|
|
+ keyix, IEEE80211_IS_MULTICAST(wh->i_addr2) ? "broad" : "uni",
|
|
+ ether_sprintf(wh->i_addr2));
|
|
memset(&wrqu, 0, sizeof(wrqu));
|
|
wrqu.data.length = strlen(buf);
|
|
wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
|
|
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_proto.h madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_proto.h
|
|
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_proto.h 2007-05-13 18:17:56.579967576 +0200
|
|
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_proto.h 2007-05-13 18:17:56.884921216 +0200
|
|
@@ -91,6 +91,7 @@
|
|
void ieee80211_set11gbasicrates(struct ieee80211_rateset *, enum ieee80211_phymode);
|
|
enum ieee80211_phymode ieee80211_get11gbasicrates(struct ieee80211_rateset *);
|
|
void ieee80211_send_pspoll(struct ieee80211_node *);
|
|
+void ieee80211_check_mic(struct ieee80211_node *, struct sk_buff *);
|
|
|
|
/*
|
|
* Return the size of the 802.11 header for a management or data frame.
|