#include <linux/kernel.h>
#include <net/mac80211.h>
-#include <osl.h>
#include <bcmdefs.h>
#include <bcmutils.h>
#include <siutils.h>
#include "wlc_antsel.h"
#include "wl_export.h"
#include "wl_dbg.h"
-#include "wlc_bsscfg.h"
#include "wlc_channel.h"
-#include "wlc_mac80211.h"
+#include "wlc_main.h"
#include "wlc_ampdu.h"
/*
ampdu->ffpld_rsvd = AMPDU_DEF_FFPLD_RSVD;
/* bump max ampdu rcv size to 64k for all 11n devices except 4321A0 and 4321A1 */
if (WLCISNPHY(wlc->band) && NREV_LT(wlc->band->phyrev, 2))
- ampdu->rx_factor = AMPDU_RX_FACTOR_32K;
+ ampdu->rx_factor = IEEE80211_HT_MAX_AMPDU_32K;
else
- ampdu->rx_factor = AMPDU_RX_FACTOR_64K;
+ ampdu->rx_factor = IEEE80211_HT_MAX_AMPDU_64K;
ampdu->retry_limit = AMPDU_DEF_RETRY_LIMIT;
ampdu->rr_retry_limit = AMPDU_DEF_RR_RETRY_LIMIT;
struct sk_buff **pdu, int prec)
{
struct wlc_info *wlc;
- struct osl_info *osh;
struct sk_buff *p, *pkt[AMPDU_MAX_MPDU];
u8 tid, ndelim;
int err = 0;
u16 qlen;
wlc = ampdu->wlc;
- osh = wlc->osh;
p = *pdu;
ASSERT(p);
* test whether need to break or change the epoch
*/
if (count == 0) {
- u16 fc;
mcl |= (TXC_AMPDU_FIRST << TXC_AMPDU_SHIFT);
/* refill the bits since might be a retx mpdu */
mcl |= TXC_STARTMSDU;
rts = (struct ieee80211_rts *)&txh->rts_frame;
- fc = le16_to_cpu(rts->frame_control);
- if ((fc & FC_KIND_MASK) == FC_RTS) {
+
+ if (ieee80211_is_rts(rts->frame_control)) {
mcl |= TXC_SENDRTS;
use_rts = true;
}
- if ((fc & FC_KIND_MASK) == FC_CTS) {
+ if (ieee80211_is_cts(rts->frame_control)) {
mcl |= TXC_SENDCTS;
use_cts = true;
}
tx_info = IEEE80211_SKB_CB(p);
ASSERT(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
- ASSERT(scb);
- ASSERT(scb->magic == SCB_MAGIC);
ASSERT(txs->status & TX_STATUS_AMPDU);
- scb_ampdu = SCB_AMPDU_CUBBY(ampdu, scb);
- ASSERT(scb_ampdu);
- ini = SCB_AMPDU_INI(scb_ampdu, p->priority);
- ASSERT(ini->scb == scb);
/* BMAC_NOTE: For the split driver, second level txstatus comes later
* So if the ACK was received then wait for the second level else just
u8 status_delay = 0;
/* wait till the next 8 bytes of txstatus is available */
- while (((s1 =
- R_REG(wlc->osh,
- &wlc->regs->frmtxstatus)) & TXS_V) == 0) {
+ while (((s1 = R_REG(&wlc->regs->frmtxstatus)) & TXS_V) == 0) {
udelay(1);
status_delay++;
if (status_delay > 10) {
ASSERT(!(s1 & TX_STATUS_INTERMEDIATE));
ASSERT(s1 & TX_STATUS_AMPDU);
- s2 = R_REG(wlc->osh, &wlc->regs->frmtxstatus2);
+ s2 = R_REG(&wlc->regs->frmtxstatus2);
}
- wlc_ampdu_dotxstatus_complete(ampdu, scb, p, txs, s1, s2);
+ if (likely(scb)) {
+ ASSERT(scb->magic == SCB_MAGIC);
+ scb_ampdu = SCB_AMPDU_CUBBY(ampdu, scb);
+ ASSERT(scb_ampdu);
+ ini = SCB_AMPDU_INI(scb_ampdu, p->priority);
+ ASSERT(ini->scb == scb);
+ wlc_ampdu_dotxstatus_complete(ampdu, scb, p, txs, s1, s2);
+ } else {
+ /* loop through all pkts and free */
+ u8 queue = txs->frameid & TXFID_QUEUE_MASK;
+ d11txh_t *txh;
+ u16 mcl;
+ while (p) {
+ tx_info = IEEE80211_SKB_CB(p);
+ txh = (d11txh_t *) p->data;
+ mcl = le16_to_cpu(txh->MacTxControlLow);
+ ASSERT(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
+ pkt_buf_free_skb(p);
+ /* break out if last packet of ampdu */
+ if (((mcl & TXC_AMPDU_MASK) >> TXC_AMPDU_SHIFT) ==
+ TXC_AMPDU_LAST)
+ break;
+ p = GETNEXTTXP(wlc, queue);
+ ASSERT(p != NULL);
+ }
+ wlc_txfifo_complete(wlc, queue, ampdu->txpkt_weight);
+ }
wlc_ampdu_txflowcontrol(wlc, scb_ampdu, ini);
}
wlc->pub->unit, txs->phyerr);
if (WL_ERROR_ON()) {
- prpkt("txpkt (AMPDU)", wlc->osh, p);
+ prpkt("txpkt (AMPDU)", p);
wlc_print_txdesc((d11txh_t *) p->data);
}
wlc_print_txstatus(txs);
ASSERT(ini == &scb_ampdu->ini[ini->tid]);
/* free all buffered tx packets */
- pktq_pflush(ampdu->wlc->osh, &scb_ampdu->txq, ini->tid, true, NULL, 0);
+ pktq_pflush(&scb_ampdu->txq, ini->tid, true, NULL, 0);
}
/* initialize the initiator code for tid */
struct wlc_info *wlc = ampdu->wlc;
/* Extend ucode internal watchdog timer to match larger received frames */
- if ((ampdu->rx_factor & HT_PARAMS_RX_FACTOR_MASK) ==
- AMPDU_RX_FACTOR_64K) {
+ if ((ampdu->rx_factor & IEEE80211_HT_AMPDU_PARM_FACTOR) ==
+ IEEE80211_HT_MAX_AMPDU_64K) {
wlc_write_shm(wlc, M_MIMO_MAXSYM, MIMO_MAXSYM_MAX);
wlc_write_shm(wlc, M_WATCHDOG_8TU, WATCHDOG_8TU_MAX);
} else {
wlc_write_shm(wlc, M_WATCHDOG_8TU, WATCHDOG_8TU_DEF);
}
}
+
+struct cb_del_ampdu_pars {
+ struct ieee80211_sta *sta;
+ u16 tid;
+};
+
+/*
+ * callback function that helps flushing ampdu packets from a priority queue
+ */
+static bool cb_del_ampdu_pkt(void *p, int arg_a)
+{
+ struct sk_buff *mpdu = (struct sk_buff *)p;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(mpdu);
+ struct cb_del_ampdu_pars *ampdu_pars =
+ (struct cb_del_ampdu_pars *)arg_a;
+ bool rc;
+
+ rc = tx_info->flags & IEEE80211_TX_CTL_AMPDU ? true : false;
+ rc = rc && (tx_info->control.sta == NULL || ampdu_pars->sta == NULL ||
+ tx_info->control.sta == ampdu_pars->sta);
+ rc = rc && ((u8)(mpdu->priority) == ampdu_pars->tid);
+ return rc;
+}
+
+/*
+ * callback function that helps invalidating ampdu packets in a DMA queue
+ */
+static void dma_cb_fn_ampdu(void *txi, void *arg_a)
+{
+ struct ieee80211_sta *sta = arg_a;
+ struct ieee80211_tx_info *tx_info = (struct ieee80211_tx_info *)txi;
+
+ if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) &&
+ (tx_info->control.sta == sta || sta == NULL))
+ tx_info->control.sta = NULL;
+}
+
+/*
+ * When a remote party is no longer available for ampdu communication, any
+ * pending tx ampdu packets in the driver have to be flushed.
+ */
+void wlc_ampdu_flush(struct wlc_info *wlc,
+ struct ieee80211_sta *sta, u16 tid)
+{
+ struct wlc_txq_info *qi = wlc->active_queue;
+ struct pktq *pq = &qi->q;
+ int prec;
+ struct cb_del_ampdu_pars ampdu_pars;
+
+ ampdu_pars.sta = sta;
+ ampdu_pars.tid = tid;
+ for (prec = 0; prec < pq->num_prec; prec++) {
+ pktq_pflush(pq, prec, true, cb_del_ampdu_pkt,
+ (int)&du_pars);
+ }
+ wlc_inval_dma_pkts(wlc->hw, sta, dma_cb_fn_ampdu);
+}