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brcmfmac: Simplify counting transit count. 

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2013-06-06 13:18:01 +02:00 committed by John W. Linville
parent eb2410cdd9
commit 8c5140f63a
1 changed files with 12 additions and 19 deletions
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31
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
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@ -357,7 +357,6 @@ struct brcmf_fws_mac_descriptor {
u8 seq[BRCMF_FWS_FIFO_COUNT];
struct pktq psq;
int transit_count;
int suppress_count;
int suppr_transit_count;
bool send_tim_signal;
u8 traffic_pending_bmp;
@ -1100,8 +1099,6 @@ static int brcmf_fws_enq(struct brcmf_fws_info *fws,
/* update the sk_buff state */
brcmf_skbcb(p)->state = state;
if (state == BRCMF_FWS_SKBSTATE_SUPPRESSED)
entry->suppress_count++;
/*
* A packet has been pushed so update traffic
@ -1141,9 +1138,8 @@ static struct sk_buff *brcmf_fws_deq(struct brcmf_fws_info *fws, int fifo)
p = brcmu_pktq_mdeq(&entry->psq, pmsk << (fifo * 2), &prec_out);
if (p == NULL) {
if (entry->suppressed) {
if (entry->suppr_transit_count >
entry->suppress_count)
return NULL;
if (entry->suppr_transit_count)
continue;
entry->suppressed = false;
p = brcmu_pktq_mdeq(&entry->psq,
1 << (fifo * 2), &prec_out);
@ -1194,12 +1190,9 @@ static int brcmf_fws_txstatus_suppressed(struct brcmf_fws_info *fws, int fifo,
/* this packet was suppressed */
if (!entry->suppressed) {
entry->suppressed = true;
entry->suppress_count = brcmu_pktq_mlen(&entry->psq,
1 << (fifo * 2 + 1));
entry->suppr_transit_count = entry->transit_count;
brcmf_dbg(DATA, "suppress %s: supp_cnt %d transit %d\n",
entry->name, entry->suppress_count,
entry->transit_count);
brcmf_dbg(DATA, "suppress %s: transit %d\n",
entry->name, entry->transit_count);
}
entry->generation = genbit;
@ -1218,7 +1211,6 @@ static int brcmf_fws_txstatus_suppressed(struct brcmf_fws_info *fws, int fifo,
* wlfc cleanup
*/
brcmf_fws_hanger_mark_suppressed(&fws->hanger, hslot);
entry->suppress_count++;
}
return ret;
@ -1263,6 +1255,9 @@ brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot,
brcmu_pkt_buf_free_skb(skb);
return -EINVAL;
}
entry->transit_count--;
if (entry->suppressed && entry->suppr_transit_count)
entry->suppr_transit_count--;
brcmf_dbg(DATA, "%s flags %X htod %X\n", entry->name, skcb->if_flags,
skcb->htod);
@ -1276,13 +1271,9 @@ brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot,
if (!remove_from_hanger)
ret = brcmf_fws_txstatus_suppressed(fws, fifo, skb, genbit);
if (remove_from_hanger || ret) {
entry->transit_count--;
if (entry->suppressed)
entry->suppr_transit_count--;
if (remove_from_hanger || ret)
brcmf_txfinalize(fws->drvr, skb, true);
}
return 0;
}
@ -1579,7 +1570,6 @@ static int brcmf_fws_precommit_skb(struct brcmf_fws_info *fws, int fifo,
free_ctr = entry->seq[fifo];
brcmf_skb_htod_tag_set_field(p, HSLOT, hslot);
brcmf_skb_htod_tag_set_field(p, FREERUN, free_ctr);
entry->transit_count++;
rc = brcmf_fws_hanger_pushpkt(&fws->hanger, p, hslot);
if (rc)
brcmf_err("hanger push failed: rc=%d\n", rc);
@ -1733,6 +1723,9 @@ static int brcmf_fws_commit_skb(struct brcmf_fws_info *fws, int fifo,
goto rollback;
}
entry->transit_count++;
if (entry->suppressed)
entry->suppr_transit_count++;
entry->seq[fifo]++;
fws->stats.pkt2bus++;
if (brcmf_skbcb(skb)->if_flags & BRCMF_SKB_IF_FLAGS_CREDITCHECK_MASK) {