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authorLinus Torvalds <torvalds@linux-foundation.org>2008-09-13 17:46:57 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-13 17:46:57 -0400
commitc19e80808b34b3de5c20884f11f58c3b6988daff (patch)
tree97a19986b95a23fb9da450e7d6b19fcc94ed6da9 /drivers
parent344a7829c421ce6c626cb94c6576f66a7c28a871 (diff)
parentcff502a38394fd33693f6233e03fca363dfa956d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: niu: panic on reset netlink: fix overrun in attribute iteration [Bluetooth] Fix regression from using default link policy ath9k: Assign seq# when mac80211 requests this
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/niu.c56
-rw-r--r--drivers/net/wireless/ath9k/beacon.c13
-rw-r--r--drivers/net/wireless/ath9k/core.h1
-rw-r--r--drivers/net/wireless/ath9k/main.c14
4 files changed, 84 insertions, 0 deletions
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index e4765b713aba..e3be81eba8a4 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -5984,6 +5984,56 @@ static void niu_netif_start(struct niu *np)
5984 niu_enable_interrupts(np, 1); 5984 niu_enable_interrupts(np, 1);
5985} 5985}
5986 5986
5987static void niu_reset_buffers(struct niu *np)
5988{
5989 int i, j, k, err;
5990
5991 if (np->rx_rings) {
5992 for (i = 0; i < np->num_rx_rings; i++) {
5993 struct rx_ring_info *rp = &np->rx_rings[i];
5994
5995 for (j = 0, k = 0; j < MAX_RBR_RING_SIZE; j++) {
5996 struct page *page;
5997
5998 page = rp->rxhash[j];
5999 while (page) {
6000 struct page *next =
6001 (struct page *) page->mapping;
6002 u64 base = page->index;
6003 base = base >> RBR_DESCR_ADDR_SHIFT;
6004 rp->rbr[k++] = cpu_to_le32(base);
6005 page = next;
6006 }
6007 }
6008 for (; k < MAX_RBR_RING_SIZE; k++) {
6009 err = niu_rbr_add_page(np, rp, GFP_ATOMIC, k);
6010 if (unlikely(err))
6011 break;
6012 }
6013
6014 rp->rbr_index = rp->rbr_table_size - 1;
6015 rp->rcr_index = 0;
6016 rp->rbr_pending = 0;
6017 rp->rbr_refill_pending = 0;
6018 }
6019 }
6020 if (np->tx_rings) {
6021 for (i = 0; i < np->num_tx_rings; i++) {
6022 struct tx_ring_info *rp = &np->tx_rings[i];
6023
6024 for (j = 0; j < MAX_TX_RING_SIZE; j++) {
6025 if (rp->tx_buffs[j].skb)
6026 (void) release_tx_packet(np, rp, j);
6027 }
6028
6029 rp->pending = MAX_TX_RING_SIZE;
6030 rp->prod = 0;
6031 rp->cons = 0;
6032 rp->wrap_bit = 0;
6033 }
6034 }
6035}
6036
5987static void niu_reset_task(struct work_struct *work) 6037static void niu_reset_task(struct work_struct *work)
5988{ 6038{
5989 struct niu *np = container_of(work, struct niu, reset_task); 6039 struct niu *np = container_of(work, struct niu, reset_task);
@@ -6006,6 +6056,12 @@ static void niu_reset_task(struct work_struct *work)
6006 6056
6007 niu_stop_hw(np); 6057 niu_stop_hw(np);
6008 6058
6059 spin_unlock_irqrestore(&np->lock, flags);
6060
6061 niu_reset_buffers(np);
6062
6063 spin_lock_irqsave(&np->lock, flags);
6064
6009 err = niu_init_hw(np); 6065 err = niu_init_hw(np);
6010 if (!err) { 6066 if (!err) {
6011 np->timer.expires = jiffies + HZ; 6067 np->timer.expires = jiffies + HZ;
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c
index caf569401a34..00a0eaa08866 100644
--- a/drivers/net/wireless/ath9k/beacon.c
+++ b/drivers/net/wireless/ath9k/beacon.c
@@ -209,6 +209,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
209 unsigned int curlen; 209 unsigned int curlen;
210 struct ath_txq *cabq; 210 struct ath_txq *cabq;
211 struct ath_txq *mcastq; 211 struct ath_txq *mcastq;
212 struct ieee80211_tx_info *info;
212 avp = sc->sc_vaps[if_id]; 213 avp = sc->sc_vaps[if_id];
213 214
214 mcastq = &avp->av_mcastq; 215 mcastq = &avp->av_mcastq;
@@ -232,6 +233,18 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
232 */ 233 */
233 curlen = skb->len; 234 curlen = skb->len;
234 235
236 info = IEEE80211_SKB_CB(skb);
237 if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
238 /*
239 * TODO: make sure the seq# gets assigned properly (vs. other
240 * TX frames)
241 */
242 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
243 sc->seq_no += 0x10;
244 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
245 hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
246 }
247
235 /* XXX: spin_lock_bh should not be used here, but sparse bitches 248 /* XXX: spin_lock_bh should not be used here, but sparse bitches
236 * otherwise. We should fix sparse :) */ 249 * otherwise. We should fix sparse :) */
237 spin_lock_bh(&mcastq->axq_lock); 250 spin_lock_bh(&mcastq->axq_lock);
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 673b3d81133a..4ee695b76b88 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -992,6 +992,7 @@ struct ath_softc {
992 u32 sc_txintrperiod; /* tx interrupt batching */ 992 u32 sc_txintrperiod; /* tx interrupt batching */
993 int sc_haltype2q[ATH9K_WME_AC_VO+1]; /* HAL WME AC -> h/w qnum */ 993 int sc_haltype2q[ATH9K_WME_AC_VO+1]; /* HAL WME AC -> h/w qnum */
994 u32 sc_ant_tx[8]; /* recent tx frames/antenna */ 994 u32 sc_ant_tx[8]; /* recent tx frames/antenna */
995 u16 seq_no; /* TX sequence number */
995 996
996 /* Beacon */ 997 /* Beacon */
997 struct ath9k_tx_queue_info sc_beacon_qi; 998 struct ath9k_tx_queue_info sc_beacon_qi;
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index c5107f269f24..99badf1404c3 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -369,6 +369,20 @@ static int ath9k_tx(struct ieee80211_hw *hw,
369{ 369{
370 struct ath_softc *sc = hw->priv; 370 struct ath_softc *sc = hw->priv;
371 int hdrlen, padsize; 371 int hdrlen, padsize;
372 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
373
374 /*
375 * As a temporary workaround, assign seq# here; this will likely need
376 * to be cleaned up to work better with Beacon transmission and virtual
377 * BSSes.
378 */
379 if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
380 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
381 if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
382 sc->seq_no += 0x10;
383 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
384 hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
385 }
372 386
373 /* Add the padding after the header if this is not already done */ 387 /* Add the padding after the header if this is not already done */
374 hdrlen = ieee80211_get_hdrlen_from_skb(skb); 388 hdrlen = ieee80211_get_hdrlen_from_skb(skb);