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authorFranky Lin <frankyl@broadcom.com>2011-12-17 02:37:08 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2011-12-19 19:40:45 (GMT)
commitc8bf34849f92c5894a3d7e12573d3789d7851f23 (patch)
tree0e614f28a16788bc40edf80c52d08f14267ab3fc /drivers/net/wireless/brcm80211/brcmfmac
parent9c1a043ae688151444578f15208233143526bb88 (diff)
downloadlinux-c8bf34849f92c5894a3d7e12573d3789d7851f23.tar.xz
brcm80211: fmac: move tx flow ctrl flag to bus layer
txoff is the flow control flag for transmit used in sdio layer. Move it to bus layer data structure brcmf_sdio. Also flag management code is moved out of brcmf_txflowcontrol(). This is part of the fullmac bus interface refactoring. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Reviewed-by: Alwin Beukers <alwin@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd.h1
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c1
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c10
3 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
index 7461567..980bf70 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
@@ -597,7 +597,6 @@ struct brcmf_pub {
struct device *dev; /* fullmac dongle device pointer */
/* Internal brcmf items */
- bool txoff; /* Transmit flow-controlled */
uint hdrlen; /* Total BRCMF header length (proto + bus) */
uint rxsz; /* Rx buffer size bus module should use */
u8 wme_dp; /* wme discard priority */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 1ce6322..130cab1 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -356,7 +356,6 @@ void brcmf_txflowcontrol(struct device *dev, int ifidx, bool state)
brcmf_dbg(TRACE, "Enter\n");
- drvr->txoff = state;
ndev = drvr->iflist[ifidx]->ndev;
if (state == ON)
netif_stop_queue(ndev);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index e0456e9..a7fe00f 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -575,6 +575,8 @@ struct brcmf_sdio {
const struct firmware *firmware;
u32 fw_ptr;
+
+ bool txoff; /* Transmit flow-controlled */
};
/* clkstate */
@@ -2297,8 +2299,10 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
/* Deflow-control stack if needed */
if (drvr->bus_if->drvr_up &&
(drvr->bus_if->state == BRCMF_BUS_DATA) &&
- drvr->txoff && (pktq_len(&bus->txq) < TXLOW))
+ bus->txoff && (pktq_len(&bus->txq) < TXLOW)) {
+ bus->txoff = OFF;
brcmf_txflowcontrol(bus->sdiodev->dev, 0, OFF);
+ }
return cnt;
}
@@ -2611,8 +2615,10 @@ int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt)
}
spin_unlock_bh(&bus->txqlock);
- if (pktq_len(&bus->txq) >= TXHI)
+ if (pktq_len(&bus->txq) >= TXHI) {
+ bus->txoff = ON;
brcmf_txflowcontrol(bus->sdiodev->dev, 0, ON);
+ }
#ifdef BCMDBG
if (pktq_plen(&bus->txq, prec) > qcount[prec])