From: Chung-Hsien Hsu <stanley.hsu@xxxxxxxxxxx>
Firmware inform the driver about tx status by normal tx status signal
or compressed tx status signal. This patch adds support to handle the
compressed tx status signal.
Signed-off-by: Chung-Hsien Hsu <stanley.hsu@xxxxxxxxxxx>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx>
Signed-off-by: Wright Feng <wright.feng@xxxxxxxxxxx>
---
v3: Add this patch into this series
---
.../broadcom/brcm80211/brcmfmac/fwsignal.c | 121 ++++++++++--------
1 file changed, 71 insertions(+), 50 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
index c75be2703b3e..02759ebd207c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
@@ -1455,9 +1455,10 @@ static int brcmf_fws_txstatus_suppressed(struct brcmf_fws_info *fws, int fifo,
static int
brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot,
- u32 genbit, u16 seq)
+ u32 genbit, u16 seq, u8 compcnt)
{
u32 fifo;
+ u8 cnt = 0;
int ret;
bool remove_from_hanger = true;
struct sk_buff *skb;
@@ -1468,60 +1469,71 @@ brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot,
brcmf_dbg(DATA, "flags %d\n", flags);
if (flags == BRCMF_FWS_TXSTATUS_DISCARD)
- fws->stats.txs_discard++;
+ fws->stats.txs_discard += compcnt;
else if (flags == BRCMF_FWS_TXSTATUS_CORE_SUPPRESS) {
- fws->stats.txs_supp_core++;
+ fws->stats.txs_supp_core += compcnt;
remove_from_hanger = false;
} else if (flags == BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS) {
- fws->stats.txs_supp_ps++;
+ fws->stats.txs_supp_ps += compcnt;
remove_from_hanger = false;
} else if (flags == BRCMF_FWS_TXSTATUS_FW_TOSSED)
- fws->stats.txs_tossed++;
+ fws->stats.txs_tossed += compcnt;
else if (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED)
- fws->stats.txs_host_tossed++;
+ fws->stats.txs_host_tossed += compcnt;
else
brcmf_err("unexpected txstatus\n");
- ret = brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb,
- remove_from_hanger);
- if (ret != 0) {
- brcmf_err("no packet in hanger slot: hslot=%d\n", hslot);
- return ret;
- }
+ while (cnt < compcnt) {
+ ret = brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb,
+ remove_from_hanger);
+ if (ret != 0) {
+ brcmf_err("no packet in hanger slot: hslot=%d\n",
+ hslot);
+ goto cont;
+ }
- skcb = brcmf_skbcb(skb);
- entry = skcb->mac;
- if (WARN_ON(!entry)) {
- brcmu_pkt_buf_free_skb(skb);
- return -EINVAL;
- }
- entry->transit_count--;
- if (entry->suppressed && entry->suppr_transit_count)
- entry->suppr_transit_count--;
+ skcb = brcmf_skbcb(skb);
+ entry = skcb->mac;
+ if (WARN_ON(!entry)) {
+ brcmu_pkt_buf_free_skb(skb);
+ goto cont;
+ }
+ entry->transit_count--;
+ if (entry->suppressed && entry->suppr_transit_count)
+ entry->suppr_transit_count--;
- brcmf_dbg(DATA, "%s flags %d htod %X seq %X\n", entry->name, flags,
- skcb->htod, seq);
+ brcmf_dbg(DATA, "%s flags %d htod %X seq %X\n", entry->name,
+ flags, skcb->htod, seq);
- /* pick up the implicit credit from this packet */
- fifo = brcmf_skb_htod_tag_get_field(skb, FIFO);
- if ((fws->fcmode == BRCMF_FWS_FCMODE_IMPLIED_CREDIT) ||
- (brcmf_skb_if_flags_get_field(skb, REQ_CREDIT)) ||
- (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED)) {
- brcmf_fws_return_credits(fws, fifo, 1);
- brcmf_fws_schedule_deq(fws);
- }
- brcmf_fws_macdesc_return_req_credit(skb);
+ /* pick up the implicit credit from this packet */
+ fifo = brcmf_skb_htod_tag_get_field(skb, FIFO);
+ if (fws->fcmode == BRCMF_FWS_FCMODE_IMPLIED_CREDIT ||
+ (brcmf_skb_if_flags_get_field(skb, REQ_CREDIT)) ||
+ flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED) {
+ brcmf_fws_return_credits(fws, fifo, 1);
+ brcmf_fws_schedule_deq(fws);
+ }
+ brcmf_fws_macdesc_return_req_credit(skb);
- ret = brcmf_proto_hdrpull(fws->drvr, false, skb, &ifp);
- if (ret) {
- brcmu_pkt_buf_free_skb(skb);
- return -EINVAL;
+ ret = brcmf_proto_hdrpull(fws->drvr, false, skb, &ifp);
+ if (ret) {
+ brcmu_pkt_buf_free_skb(skb);
+ goto cont;
+ }
+ if (!remove_from_hanger)
+ ret = brcmf_fws_txstatus_suppressed(fws, fifo, skb,
+ genbit, seq);
+ if (remove_from_hanger || ret)
+ brcmf_txfinalize(ifp, skb, true);
+
+cont:
+ hslot = (hslot + 1) & (BRCMF_FWS_TXSTAT_HSLOT_MASK >>
+ BRCMF_FWS_TXSTAT_HSLOT_SHIFT);
+ if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode))
+ seq = (seq + 1) & BRCMF_SKB_HTOD_SEQ_NR_MASK;
+
+ cnt++;
}
- if (!remove_from_hanger)
- ret = brcmf_fws_txstatus_suppressed(fws, fifo, skb,
- genbit, seq);
- if (remove_from_hanger || ret)
- brcmf_txfinalize(ifp, skb, true);
return 0;
}
@@ -1547,7 +1559,8 @@ static int brcmf_fws_fifocreditback_indicate(struct brcmf_fws_info *fws,
return BRCMF_FWS_RET_OK_SCHEDULE;
}
-static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 *data)
+static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 type,
+ u8 *data)
{
__le32 status_le;
__le16 seq_le;
@@ -1556,23 +1569,31 @@ static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 *data)
u32 genbit;
u8 flags;
u16 seq;
+ u8 compcnt;
+ u8 compcnt_offset = BRCMF_FWS_TYPE_TXSTATUS_LEN;
- fws->stats.txs_indicate++;
memcpy(&status_le, data, sizeof(status_le));
status = le32_to_cpu(status_le);
flags = brcmf_txstatus_get_field(status, FLAGS);
hslot = brcmf_txstatus_get_field(status, HSLOT);
genbit = brcmf_txstatus_get_field(status, GENERATION);
if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) {
- memcpy(&seq_le, &data[BRCMF_FWS_TYPE_PKTTAG_LEN],
+ memcpy(&seq_le, &data[BRCMF_FWS_TYPE_TXSTATUS_LEN],
sizeof(seq_le));
seq = le16_to_cpu(seq_le);
+ compcnt_offset += BRCMF_FWS_TYPE_SEQ_LEN;
} else {
seq = 0;
}
+ if (type == BRCMF_FWS_TYPE_COMP_TXSTATUS)
+ compcnt = data[compcnt_offset];
+ else
+ compcnt = 1;
+ fws->stats.txs_indicate += compcnt;
+
brcmf_fws_lock(fws);
- brcmf_fws_txs_process(fws, flags, hslot, genbit, seq);
+ brcmf_fws_txs_process(fws, flags, hslot, genbit, seq, compcnt);
brcmf_fws_unlock(fws);
return BRCMF_FWS_RET_OK_NOSCHEDULE;
}
@@ -1888,8 +1909,6 @@ void brcmf_fws_hdrpull(struct brcmf_if *ifp, s16 siglen, struct sk_buff *skb)
err = BRCMF_FWS_RET_OK_NOSCHEDULE;
switch (type) {
- case BRCMF_FWS_TYPE_COMP_TXSTATUS:
- break;
case BRCMF_FWS_TYPE_HOST_REORDER_RXPKTS:
rd = (struct brcmf_skb_reorder_data *)skb->cb;
rd->reorder = data;
@@ -1912,7 +1931,8 @@ void brcmf_fws_hdrpull(struct brcmf_if *ifp, s16 siglen, struct sk_buff *skb)
err = brcmf_fws_request_indicate(fws, type, data);
break;
case BRCMF_FWS_TYPE_TXSTATUS:
- brcmf_fws_txstatus_indicate(fws, data);
+ case BRCMF_FWS_TYPE_COMP_TXSTATUS:
+ brcmf_fws_txstatus_indicate(fws, type, data);
break;
case BRCMF_FWS_TYPE_FIFO_CREDITBACK:
err = brcmf_fws_fifocreditback_indicate(fws, data);
@@ -2001,7 +2021,7 @@ static void brcmf_fws_rollback_toq(struct brcmf_fws_info *fws,
fws->stats.rollback_failed++;
hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED,
- hslot, 0, 0);
+ hslot, 0, 0, 1);
} else {
fws->stats.rollback_success++;
brcmf_fws_return_credits(fws, fifo, 1);
@@ -2462,7 +2482,8 @@ void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb)
}
brcmf_fws_lock(fws);
hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
- brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, hslot, 0, 0);
+ brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, hslot, 0, 0,
+ 1);
brcmf_fws_unlock(fws);
}
--
2.19.1
