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brcmfmac: add debugfs statistics for firmware-signalling

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Added statistics for flow-control and packets dropped by the
driver.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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:
Arend van Spriel 2013-06-06 13:18:07 +02:00 committed by John W. Linville
parent fa587d4b2f
commit 5631becbb8
3 changed files with 19 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c
View File

@ -156,8 +156,11 @@ ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data,
"txs_suppr_core: %u\n"
"txs_suppr_ps: %u\n"
"txs_tossed: %u\n"
"txs_host_tossed: %u\n"
"bus_flow_block: %u\n"
"fws_flow_block: %u\n"
"send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
"fifo_credits_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
"requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
fwstats->header_pulls,
fwstats->header_only_pkt,
fwstats->tlv_parse_failed,
@ -176,6 +179,9 @@ ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data,
fwstats->txs_supp_core,
fwstats->txs_supp_ps,
fwstats->txs_tossed,
fwstats->txs_host_tossed,
fwstats->bus_flow_block,
fwstats->fws_flow_block,
fwstats->send_pkts[0], fwstats->send_pkts[1],
fwstats->send_pkts[2], fwstats->send_pkts[3],
fwstats->send_pkts[4],

3
drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
View File

@ -157,6 +157,9 @@ struct brcmf_fws_stats {
u32 txs_supp_core;
u32 txs_supp_ps;
u32 txs_tossed;
u32 txs_host_tossed;
u32 bus_flow_block;
u32 fws_flow_block;
};
struct brcmf_pub;

13
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
View File

@ -584,7 +584,7 @@ static int brcmf_fws_hanger_mark_suppressed(struct brcmf_fws_hanger *h,
if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS)
return -ENOENT;
if (h->items[slot_id].state != BRCMF_FWS_HANGER_ITEM_STATE_INUSE) {
if (h->items[slot_id].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) {
brcmf_err("entry not in use\n");
return -EINVAL;
}
@ -894,8 +894,10 @@ brcmf_fws_flow_control_check(struct brcmf_fws_info *fws, struct pktq *pq,
brcmf_txflowblock_if(ifp,
BRCMF_NETIF_STOP_REASON_FWS_FC, false);
if (!(ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) &&
pq->len >= BRCMF_FWS_FLOWCONTROL_HIWATER)
pq->len >= BRCMF_FWS_FLOWCONTROL_HIWATER) {
fws->stats.fws_flow_block++;
brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FWS_FC, true);
}
return;
}
@ -1296,9 +1298,10 @@ brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot,
} else if (flags == BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS) {
fws->stats.txs_supp_ps++;
remove_from_hanger = false;
} else if ((flags == BRCMF_FWS_TXSTATUS_FW_TOSSED) ||
(flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED))
} else if (flags == BRCMF_FWS_TXSTATUS_FW_TOSSED)
fws->stats.txs_tossed++;
else if (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED)
fws->stats.txs_host_tossed++;
else
brcmf_err("unexpected txstatus\n");
@ -2030,4 +2033,6 @@ void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked)
fws->bus_flow_blocked = flow_blocked;
if (!flow_blocked)
brcmf_fws_schedule_deq(fws);
else
fws->stats.bus_flow_block++;
}