diff options
| author | Arend van Spriel <arend@broadcom.com> | 2013-04-03 14:40:39 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-04-03 23:07:06 +0400 |
| commit | c7f34a69a2e32b139a6b66c8599252c46f37abba (patch) | |
| tree | fe924689dda2164ce5affe3448e003a168254ea6 /drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | |
| parent | e2432b6787a15e0b3c255a017d16033ba30204c0 (diff) | |
| download | linux-c7f34a69a2e32b139a6b66c8599252c46f37abba.tar.xz | |
brcmfmac: add flow-control mode to firmware signalling
Upcoming patches will add firmware signalled flow control. Prepare
by adding the mode, which defaults to disable it. The mode can be
queried by brcmf_fws_fc_active() and set by a module parameter.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Piotr Haber <phaber@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>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index 3ba9e1049f3b..05c8840392e5 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -363,21 +363,20 @@ void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list) } } -void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) +void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, + bool success) { - u8 ifidx; + struct brcmf_if *ifp; struct ethhdr *eh; + u8 ifidx; u16 type; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_if *ifp; int res; res = brcmf_proto_hdrpull(drvr, false, &ifidx, txp); ifp = drvr->iflist[ifidx]; if (!ifp) - goto done; + return; if (res == 0) { eh = (struct ethhdr *)(txp->data); @@ -391,8 +390,18 @@ void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) } if (!success) ifp->stats.tx_errors++; +} -done: +void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + + /* await txstatus signal for firmware is active */ + if (success && brcmf_fws_fc_active(drvr->fws)) + return; + + brcmf_txfinalize(drvr, txp, success); brcmu_pkt_buf_free_skb(txp); } |