aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-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
-rw-r--r--include/net/netlink.h2
-rw-r--r--net/bluetooth/hci_core.c3
6 files changed, 88 insertions, 1 deletions
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index e4765b7..e3be81e 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -5984,6 +5984,56 @@ static void niu_netif_start(struct niu *np)
niu_enable_interrupts(np, 1);
}
+static void niu_reset_buffers(struct niu *np)
+{
+ int i, j, k, err;
+
+ if (np->rx_rings) {
+ for (i = 0; i < np->num_rx_rings; i++) {
+ struct rx_ring_info *rp = &np->rx_rings[i];
+
+ for (j = 0, k = 0; j < MAX_RBR_RING_SIZE; j++) {
+ struct page *page;
+
+ page = rp->rxhash[j];
+ while (page) {
+ struct page *next =
+ (struct page *) page->mapping;
+ u64 base = page->index;
+ base = base >> RBR_DESCR_ADDR_SHIFT;
+ rp->rbr[k++] = cpu_to_le32(base);
+ page = next;
+ }
+ }
+ for (; k < MAX_RBR_RING_SIZE; k++) {
+ err = niu_rbr_add_page(np, rp, GFP_ATOMIC, k);
+ if (unlikely(err))
+ break;
+ }
+
+ rp->rbr_index = rp->rbr_table_size - 1;
+ rp->rcr_index = 0;
+ rp->rbr_pending = 0;
+ rp->rbr_refill_pending = 0;
+ }
+ }
+ if (np->tx_rings) {
+ for (i = 0; i < np->num_tx_rings; i++) {
+ struct tx_ring_info *rp = &np->tx_rings[i];
+
+ for (j = 0; j < MAX_TX_RING_SIZE; j++) {
+ if (rp->tx_buffs[j].skb)
+ (void) release_tx_packet(np, rp, j);
+ }
+
+ rp->pending = MAX_TX_RING_SIZE;
+ rp->prod = 0;
+ rp->cons = 0;
+ rp->wrap_bit = 0;
+ }
+ }
+}
+
static void niu_reset_task(struct work_struct *work)
{
struct niu *np = container_of(work, struct niu, reset_task);
@@ -6006,6 +6056,12 @@ static void niu_reset_task(struct work_struct *work)
niu_stop_hw(np);
+ spin_unlock_irqrestore(&np->lock, flags);
+
+ niu_reset_buffers(np);
+
+ spin_lock_irqsave(&np->lock, flags);
+
err = niu_init_hw(np);
if (!err) {
np->timer.expires = jiffies + HZ;
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c
index caf5694..00a0eaa 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)
unsigned int curlen;
struct ath_txq *cabq;
struct ath_txq *mcastq;
+ struct ieee80211_tx_info *info;
avp = sc->sc_vaps[if_id];
mcastq = &avp->av_mcastq;
@@ -232,6 +233,18 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
*/
curlen = skb->len;
+ info = IEEE80211_SKB_CB(skb);
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+ /*
+ * TODO: make sure the seq# gets assigned properly (vs. other
+ * TX frames)
+ */
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ sc->seq_no += 0x10;
+ hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
+ }
+
/* XXX: spin_lock_bh should not be used here, but sparse bitches
* otherwise. We should fix sparse :) */
spin_lock_bh(&mcastq->axq_lock);
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 673b3d8..4ee695b 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -992,6 +992,7 @@ struct ath_softc {
u32 sc_txintrperiod; /* tx interrupt batching */
int sc_haltype2q[ATH9K_WME_AC_VO+1]; /* HAL WME AC -> h/w qnum */
u32 sc_ant_tx[8]; /* recent tx frames/antenna */
+ u16 seq_no; /* TX sequence number */
/* Beacon */
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 c5107f2..99badf1 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,
{
struct ath_softc *sc = hw->priv;
int hdrlen, padsize;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ /*
+ * As a temporary workaround, assign seq# here; this will likely need
+ * to be cleaned up to work better with Beacon transmission and virtual
+ * BSSes.
+ */
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+ sc->seq_no += 0x10;
+ hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
+ }
/* Add the padding after the header if this is not already done */
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 18024b8..208fe5a 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -702,7 +702,7 @@ static inline int nla_len(const struct nlattr *nla)
*/
static inline int nla_ok(const struct nlattr *nla, int remaining)
{
- return remaining >= sizeof(*nla) &&
+ return remaining >= (int) sizeof(*nla) &&
nla->nla_len >= sizeof(*nla) &&
nla->nla_len <= remaining;
}
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index f5b21cb..278a3ac 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -164,6 +164,9 @@ static inline int hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *
{
int ret;
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return -ENETDOWN;
+
/* Serialize all requests */
hci_req_lock(hdev);
ret = __hci_request(hdev, req, opt, timeout);