brcmfmac: Stop all net if queues on tx flow halt.

When tx flow is to be blocked due to host interface throttle then
all net if queues should be stopped.

Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
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>

3 files changed, 15 insertions, 11 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
index 537f499cc5d2..9b8ee19ea55d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -103,7 +103,7 @@ extern int brcmf_attach(uint bus_hdrlen, struct device *dev);
 extern void brcmf_detach(struct device *dev);
 
 /* Indication from bus module to change flow-control state */
-extern void brcmf_txflowcontrol(struct device *dev, int ifidx, bool on);
+extern void brcmf_txflowblock(struct device *dev, bool state);
 
 /* Notify tx completion */
 extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 7f9ba82a586a..b08f3474d8e7 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -350,19 +350,23 @@ done:
         return 0;
 }
 
-void brcmf_txflowcontrol(struct device *dev, int ifidx, bool state)
+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;
 
         brcmf_dbg(TRACE, "Enter\n");
 
-        ndev = drvr->iflist[ifidx]->ndev;
-        if (state == ON)
-                netif_stop_queue(ndev);
-        else
-                netif_wake_queue(ndev);
+        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);
+                }
 }
 
 static int brcmf_host_event(struct brcmf_pub *drvr, int *ifidx,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 2dd6b48b8825..4580ff34c2d0 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -2235,8 +2235,8 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
         if (bus->sdiodev->bus_if->drvr_up &&
             (bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) &&
             bus->txoff && (pktq_len(&bus->txq) < TXLOW)) {
-                bus->txoff = OFF;
-                brcmf_txflowcontrol(bus->sdiodev->dev, 0, OFF);
+                bus->txoff = false;
+                brcmf_txflowblock(bus->sdiodev->dev, false);
         }
 
         return cnt;
@@ -2672,8 +2672,8 @@ static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt)
         spin_unlock_bh(&bus->txqlock);
 
         if (pktq_len(&bus->txq) >= TXHI) {
-                bus->txoff = ON;
-                brcmf_txflowcontrol(bus->sdiodev->dev, 0, ON);
+                bus->txoff = true;
+                brcmf_txflowblock(bus->sdiodev->dev, true);
         }
 
 #ifdef DEBUG