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brcmfmac: Track statistics per ifp.

Browse source 
Statistics were tracked by bus driver while it is to be tracked
per ifp/netdev.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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 2013-02-06 18:40:41 +01:00 committed by John W. Linville
parent 659c84ff3f
commit b1a2a41126
4 changed files with 27 additions and 66 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
View file

@ -24,18 +24,6 @@ enum brcmf_bus_state {
BRCMF_BUS_DATA /* Ready for frame transfers */
};
struct dngl_stats {
unsigned long rx_packets; /* total packets received */
unsigned long tx_packets; /* total packets transmitted */
unsigned long rx_bytes; /* total bytes received */
unsigned long tx_bytes; /* total bytes transmitted */
unsigned long rx_errors; /* bad packets received */
unsigned long tx_errors; /* packet transmit problems */
unsigned long rx_dropped; /* packets dropped by dongle */
unsigned long tx_dropped; /* packets dropped by dongle */
unsigned long multicast; /* multicast packets received */
};
struct brcmf_bus_dcmd {
char *name;
char *param;
@ -87,7 +75,6 @@ struct brcmf_bus {
enum brcmf_bus_state state;
uint maxctl;
unsigned long tx_realloc;
struct dngl_stats dstats;
u8 align;
struct list_head dcmd_list;

61
drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
View file

@ -226,10 +226,12 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
ret = brcmf_bus_txdata(drvr->bus_if, skb);
done:
if (ret)
drvr->bus_if->dstats.tx_dropped++;
else
drvr->bus_if->dstats.tx_packets++;
if (ret) {
ifp->stats.tx_dropped++;
} else {
ifp->stats.tx_packets++;
ifp->stats.tx_bytes += skb->len;
}
/* Return ok: we always eat the packet */
return NETDEV_TX_OK;
@ -270,12 +272,13 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list)
skb_queue_walk_safe(skb_list, skb, pnext) {
skb_unlink(skb, skb_list);
/* process and remove protocol-specific header
*/
/* process and remove protocol-specific header */
ret = brcmf_proto_hdrpull(drvr, &ifidx, skb);
if (ret < 0) {
if (ret != -ENODATA)
bus_if->dstats.rx_errors++;
ifp = drvr->iflist[ifidx];
if (ret || !ifp || !ifp->ndev) {
if ((ret != -ENODATA) && ifp)
ifp->stats.rx_errors++;
brcmu_pkt_buf_free_skb(skb);
continue;
}
@ -295,21 +298,11 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list)
eth = skb->data;
len = skb->len;
ifp = drvr->iflist[ifidx];
if (ifp == NULL)
ifp = drvr->iflist[0];
if (!ifp || !ifp->ndev ||
ifp->ndev->reg_state != NETREG_REGISTERED) {
brcmu_pkt_buf_free_skb(skb);
continue;
}
skb->dev = ifp->ndev;
skb->protocol = eth_type_trans(skb, skb->dev);
if (skb->pkt_type == PACKET_MULTICAST)
bus_if->dstats.multicast++;
ifp->stats.multicast++;
skb->data = eth;
skb->len = len;
@ -325,8 +318,13 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list)
ifp->ndev->last_rx = jiffies;
}
bus_if->dstats.rx_bytes += skb->len;
bus_if->dstats.rx_packets++; /* Local count */
if (!(ifp->ndev->flags & IFF_UP)) {
brcmu_pkt_buf_free_skb(skb);
continue;
}
ifp->stats.rx_bytes += skb->len;
ifp->stats.rx_packets++;
if (in_interrupt())
netif_rx(skb);
@ -352,35 +350,28 @@ void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success)
brcmf_proto_hdrpull(drvr, &ifidx, txp);
ifp = drvr->iflist[ifidx];
if (!ifp)
return;
eh = (struct ethhdr *)(txp->data);
type = ntohs(eh->h_proto);
if (type == ETH_P_PAE) {
ifp = drvr->iflist[ifidx];
atomic_dec(&ifp->pend_8021x_cnt);
if (waitqueue_active(&ifp->pend_8021x_wait))
wake_up(&ifp->pend_8021x_wait);
}
if (!success)
ifp->stats.tx_errors++;
}
static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_bus *bus_if = ifp->drvr->bus_if;
brcmf_dbg(TRACE, "Enter\n");
/* Copy dongle stats to net device stats */
ifp->stats.rx_packets = bus_if->dstats.rx_packets;
ifp->stats.tx_packets = bus_if->dstats.tx_packets;
ifp->stats.rx_bytes = bus_if->dstats.rx_bytes;
ifp->stats.tx_bytes = bus_if->dstats.tx_bytes;
ifp->stats.rx_errors = bus_if->dstats.rx_errors;
ifp->stats.tx_errors = bus_if->dstats.tx_errors;
ifp->stats.rx_dropped = bus_if->dstats.rx_dropped;
ifp->stats.tx_dropped = bus_if->dstats.tx_dropped;
ifp->stats.multicast = bus_if->dstats.multicast;
return &ifp->stats;
}

10
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
View file

@ -1096,7 +1096,6 @@ static int brcmf_sdio_hdparser(struct brcmf_sdio *bus, u8 *header,
if (len > MAX_RX_DATASZ && rd->channel != SDPCM_CONTROL_CHANNEL &&
type != BRCMF_SDIO_FT_SUPER) {
brcmf_err("HW header length too long\n");
bus->sdiodev->bus_if->dstats.rx_errors++;
bus->sdcnt.rx_toolong++;
brcmf_sdbrcm_rxfail(bus, false, false);
rd->len = 0;
@ -1298,7 +1297,6 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
if (errcode < 0) {
brcmf_err("glom read of %d bytes failed: %d\n",
dlen, errcode);
bus->sdiodev->bus_if->dstats.rx_errors++;
sdio_claim_host(bus->sdiodev->func[1]);
if (bus->glomerr++ < 3) {
@ -1478,7 +1476,6 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
if ((rdlen + BRCMF_FIRSTREAD) > bus->sdiodev->bus_if->maxctl) {
brcmf_err("%d-byte control read exceeds %d-byte buffer\n",
rdlen, bus->sdiodev->bus_if->maxctl);
bus->sdiodev->bus_if->dstats.rx_errors++;
brcmf_sdbrcm_rxfail(bus, false, false);
goto done;
}
@ -1486,7 +1483,6 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
if ((len - doff) > bus->sdiodev->bus_if->maxctl) {
brcmf_err("%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n",
len, len - doff, bus->sdiodev->bus_if->maxctl);
bus->sdiodev->bus_if->dstats.rx_errors++;
bus->sdcnt.rx_toolong++;
brcmf_sdbrcm_rxfail(bus, false, false);
goto done;
@ -1634,7 +1630,6 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
if (!pkt) {
/* Give up on data, request rtx of events */
brcmf_err("brcmu_pkt_buf_get_skb failed\n");
bus->sdiodev->bus_if->dstats.rx_dropped++;
brcmf_sdbrcm_rxfail(bus, false,
RETRYCHAN(rd->channel));
sdio_release_host(bus->sdiodev->func[1]);
@ -1652,7 +1647,6 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
brcmf_err("read %d bytes from channel %d failed: %d\n",
rd->len, rd->channel, sdret);
brcmu_pkt_buf_free_skb(pkt);
bus->sdiodev->bus_if->dstats.rx_errors++;
sdio_claim_host(bus->sdiodev->func[1]);
brcmf_sdbrcm_rxfail(bus, true,
RETRYCHAN(rd->channel));
@ -1940,10 +1934,6 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
datalen = pkt->len - SDPCM_HDRLEN;
ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true);
if (ret)
bus->sdiodev->bus_if->dstats.tx_errors++;
else
bus->sdiodev->bus_if->dstats.tx_bytes += datalen;
/* In poll mode, need to check for other events */
if (!bus->intr && cnt) {

9
drivers/net/wireless/brcm80211/brcmfmac/usb.c
View file

@ -421,10 +421,6 @@ static void brcmf_usb_tx_complete(struct urb *urb)
brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status,
req->skb);
brcmf_usb_del_fromq(devinfo, req);
if (urb->status == 0)
devinfo->bus_pub.bus->dstats.tx_packets++;
else
devinfo->bus_pub.bus->dstats.tx_errors++;
brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0);
@ -451,10 +447,7 @@ static void brcmf_usb_rx_complete(struct urb *urb)
req->skb = NULL;
/* zero lenght packets indicate usb "failure". Do not refill */
if (urb->status == 0 && urb->actual_length) {
devinfo->bus_pub.bus->dstats.rx_packets++;
} else {
devinfo->bus_pub.bus->dstats.rx_errors++;
if (urb->status != 0 || !urb->actual_length) {
brcmu_pkt_buf_free_skb(skb);
brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
return;