From 5631becbb8703d73239e097d222b183aa4f24e40 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Thu, 6 Jun 2013 13:18:07 +0200 Subject: [PATCH] brcmfmac: add debugfs statistics for firmware-signalling Added statistics for flow-control and packets dropped by the driver. Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c | 8 +++++++- drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h | 3 +++ drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c | 13 +++++++++---- 3 files changed, 19 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c index ce50686a86c8..c37b9d68e458 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c @@ -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], diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h index 451ebac09520..0af1f5dc583a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h @@ -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; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index 79d60a658a67..70f70cea7f7d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -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++; } -- 2.30.2