diff options
| author | Arend van Spriel <arend@broadcom.com> | 2013-04-03 14:40:34 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-04-03 23:07:05 +0400 |
| commit | 29e04ae31ddb08794afbbef3cb72249d3804f47e (patch) | |
| tree | d88e33096a73897f33754e8ffdfa149f8bff9087 /drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | |
| parent | fba1400a9b8149b3c7ee02be3b1ea0429912372e (diff) | |
| download | linux-29e04ae31ddb08794afbbef3cb72249d3804f47e.tar.xz | |
brcmfmac: allow stopping netif queue for different reasons
Currently, the netif queue is only stopped when the bus interface is
giving a push back. This will change soon so prepare the driver by
adding a stop reason and stop/resume the queue accordingly.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Piotr Haber <phaber@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 | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index a08db02537fc..3ba9e1049f3b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -248,9 +248,27 @@ done: return NETDEV_TX_OK; } +void brcmf_txflowblock_if(struct brcmf_if *ifp, + enum brcmf_netif_stop_reason reason, bool state) +{ + if (!ifp) + return; + + brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", + ifp->bssidx, ifp->netif_stop, reason, state); + if (state) { + if (!ifp->netif_stop) + netif_stop_queue(ifp->ndev); + ifp->netif_stop |= reason; + } else { + ifp->netif_stop &= ~reason; + if (!ifp->netif_stop) + netif_wake_queue(ifp->ndev); + } +} + void brcmf_txflowblock(struct device *dev, bool state) { - struct net_device *ndev; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; int i; @@ -258,13 +276,8 @@ void brcmf_txflowblock(struct device *dev, bool state) brcmf_dbg(TRACE, "Enter\n"); for (i = 0; i < BRCMF_MAX_IFS; i++) - if (drvr->iflist[i]) { - ndev = drvr->iflist[i]->ndev; - if (state) - netif_stop_queue(ndev); - else - netif_wake_queue(ndev); - } + brcmf_txflowblock_if(drvr->iflist[i], + BRCMF_NETIF_STOP_REASON_BLOCK_BUS, state); } void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list) |