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-rw-r--r--net/mac80211/ieee80211_i.h17
-rw-r--r--net/mac80211/key.h2
-rw-r--r--net/mac80211/rx.c33
-rw-r--r--net/mac80211/sta_info.h3
-rw-r--r--net/mac80211/wpa.c9
5 files changed, 44 insertions, 20 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4f2e424e8b1b..4c7a831e7d1e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -202,7 +202,22 @@ struct ieee80211_rx_data {
struct ieee80211_key *key;
unsigned int flags;
- int queue;
+
+ /*
+ * Index into sequence numbers array, 0..16
+ * since the last (16) is used for non-QoS,
+ * will be 16 on non-QoS frames.
+ */
+ int seqno_idx;
+
+ /*
+ * Index into the security IV/PN arrays, 0..16
+ * since the last (16) is used for CCMP-encrypted
+ * management frames, will be set to 16 on mgmt
+ * frames and 0 on non-QoS frames.
+ */
+ int security_idx;
+
u32 tkip_iv32;
u16 tkip_iv16;
};
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 05abab05b0aa..beb9c20ff48c 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -29,7 +29,7 @@
#define TKIP_IV_LEN 8
#define TKIP_ICV_LEN 4
-#define NUM_RX_DATA_QUEUES 17
+#define NUM_RX_DATA_QUEUES 16
struct ieee80211_local;
struct ieee80211_sub_if_data;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b5493ecd1e93..e6dccc70931d 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -331,7 +331,7 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
- int tid;
+ int tid, seqno_idx, security_idx;
/* does the frame have a qos control field? */
if (ieee80211_is_data_qos(hdr->frame_control)) {
@@ -340,6 +340,9 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT)
status->rx_flags |= IEEE80211_RX_AMSDU;
+
+ seqno_idx = tid;
+ security_idx = tid;
} else {
/*
* IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):
@@ -352,10 +355,15 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
*
* We also use that counter for non-QoS STAs.
*/
- tid = NUM_RX_DATA_QUEUES - 1;
+ seqno_idx = NUM_RX_DATA_QUEUES;
+ security_idx = 0;
+ if (ieee80211_is_mgmt(hdr->frame_control))
+ security_idx = NUM_RX_DATA_QUEUES;
+ tid = 0;
}
- rx->queue = tid;
+ rx->seqno_idx = seqno_idx;
+ rx->security_idx = security_idx;
/* Set skb->priority to 1d tag if highest order bit of TID is not set.
* For now, set skb->priority to 0 for other cases. */
rx->skb->priority = (tid > 7) ? 0 : tid;
@@ -810,7 +818,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
/* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) {
if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
- rx->sta->last_seq_ctrl[rx->queue] ==
+ rx->sta->last_seq_ctrl[rx->seqno_idx] ==
hdr->seq_ctrl)) {
if (status->rx_flags & IEEE80211_RX_RA_MATCH) {
rx->local->dot11FrameDuplicateCount++;
@@ -818,7 +826,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
}
return RX_DROP_UNUSABLE;
} else
- rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;
+ rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;
}
if (unlikely(rx->skb->len < 16)) {
@@ -1374,11 +1382,10 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (frag == 0) {
/* This is the first fragment of a new frame. */
entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
- rx->queue, &(rx->skb));
+ rx->seqno_idx, &(rx->skb));
if (rx->key && rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP &&
ieee80211_has_protected(fc)) {
- int queue = ieee80211_is_mgmt(fc) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ int queue = rx->security_idx;
/* Store CCMP PN so that we can verify that the next
* fragment has a sequential PN value. */
entry->ccmp = 1;
@@ -1392,7 +1399,8 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
/* This is a fragment for a frame that should already be pending in
* fragment cache. Add this fragment to the end of the pending entry.
*/
- entry = ieee80211_reassemble_find(rx->sdata, frag, seq, rx->queue, hdr);
+ entry = ieee80211_reassemble_find(rx->sdata, frag, seq,
+ rx->seqno_idx, hdr);
if (!entry) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
return RX_DROP_MONITOR;
@@ -1412,8 +1420,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (pn[i])
break;
}
- queue = ieee80211_is_mgmt(fc) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ queue = rx->security_idx;
rpn = rx->key->u.ccmp.rx_pn[queue];
if (memcmp(pn, rpn, CCMP_PN_LEN))
return RX_DROP_UNUSABLE;
@@ -2590,7 +2597,9 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
.sta = sta,
.sdata = sta->sdata,
.local = sta->local,
- .queue = tid,
+ /* This is OK -- must be QoS data frame */
+ .security_idx = tid,
+ .seqno_idx = tid,
.flags = 0,
};
struct tid_ampdu_rx *tid_agg_rx;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index a06d64ebc177..28beb78e601e 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -287,7 +287,8 @@ struct sta_info {
unsigned long rx_dropped;
int last_signal;
struct ewma avg_signal;
- __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
+ /* Plus 1 for non-QoS frames */
+ __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1];
/* Updated from TX status path only, no locking requirements */
unsigned long tx_filtered_count;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 01684234b704..7bc8702808fa 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -149,8 +149,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
update_iv:
/* update IV in key information to be able to detect replays */
- rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32;
- rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16;
+ rx->key->u.tkip.rx[rx->security_idx].iv32 = rx->tkip_iv32;
+ rx->key->u.tkip.rx[rx->security_idx].iv16 = rx->tkip_iv16;
return RX_CONTINUE;
@@ -263,7 +263,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->sta.addr,
- hdr->addr1, hwaccel, rx->queue,
+ hdr->addr1, hwaccel, rx->security_idx,
&rx->tkip_iv32,
&rx->tkip_iv16);
if (res != TKIP_DECRYPT_OK)
@@ -478,8 +478,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
ccmp_hdr2pn(pn, skb->data + hdrlen);
- queue = ieee80211_is_mgmt(hdr->frame_control) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ queue = rx->security_idx;
if (memcmp(pn, key->u.ccmp.rx_pn[queue], CCMP_PN_LEN) <= 0) {
key->u.ccmp.replays++;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 09:01:17 +0000