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authorHante Meuleman <meuleman@broadcom.com>2014-10-28 14:56:19 +0100
committerJohn W. Linville <linville@tuxdriver.com>2014-10-30 15:26:48 -0400
commit84936626efbfacaf53505020610ae275fae2bf88 (patch)
tree0c4919cc01f01a62e8789883a48ae451ccb9dea5 /drivers/net/wireless
parent122d3d04d769455efba396f516f61c5a55791519 (diff)
brcmfmac: (clean) Move sdio related function.
prec_enq is a sdio specific function. Move it to sdio.c. 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>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/common.c51
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/core.h1
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/sdio.c46
3 files changed, 44 insertions, 54 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/common.c b/drivers/net/wireless/brcm80211/brcmfmac/common.c
index 183cec9939ea..1861a13e8d03 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/common.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/common.c
@@ -33,57 +33,6 @@
/* boost value for RSSI_DELTA in preferred join selection */
#define BRCMF_JOIN_PREF_RSSI_BOOST 8
-
-bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
- struct sk_buff *pkt, int prec)
-{
- struct sk_buff *p;
- int eprec = -1; /* precedence to evict from */
- bool discard_oldest;
- struct brcmf_bus *bus_if = dev_get_drvdata(dev);
- struct brcmf_pub *drvr = bus_if->drvr;
-
- /* Fast case, precedence queue is not full and we are also not
- * exceeding total queue length
- */
- if (!pktq_pfull(q, prec) && !pktq_full(q)) {
- brcmu_pktq_penq(q, prec, pkt);
- return true;
- }
-
- /* Determine precedence from which to evict packet, if any */
- if (pktq_pfull(q, prec)) {
- eprec = prec;
- } else if (pktq_full(q)) {
- p = brcmu_pktq_peek_tail(q, &eprec);
- if (eprec > prec)
- return false;
- }
-
- /* Evict if needed */
- if (eprec >= 0) {
- /* Detect queueing to unconfigured precedence */
- discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
- if (eprec == prec && !discard_oldest)
- return false; /* refuse newer (incoming) packet */
- /* Evict packet according to discard policy */
- p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
- brcmu_pktq_pdeq_tail(q, eprec);
- if (p == NULL)
- brcmf_err("brcmu_pktq_penq() failed, oldest %d\n",
- discard_oldest);
-
- brcmu_pkt_buf_free_skb(p);
- }
-
- /* Enqueue */
- p = brcmu_pktq_penq(q, prec, pkt);
- if (p == NULL)
- brcmf_err("brcmu_pktq_penq() failed\n");
-
- return p != NULL;
-}
-
int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
{
s8 eventmask[BRCMF_EVENTING_MASK_LEN];
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.h b/drivers/net/wireless/brcm80211/brcmfmac/core.h
index 7df22bdb19a2..98228e922d3a 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/core.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/core.h
@@ -83,7 +83,6 @@ struct brcmf_pub {
/* Internal brcmf items */
uint hdrlen; /* Total BRCMF header length (proto + bus) */
uint rxsz; /* Rx buffer size bus module should use */
- u8 wme_dp; /* wme discard priority */
/* Dongle media info */
char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN];
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
index 73ac0c38a32a..72e87b51f999 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
@@ -2763,6 +2763,48 @@ static struct pktq *brcmf_sdio_bus_gettxq(struct device *dev)
return &bus->txq;
}
+static bool brcmf_sdio_prec_enq(struct pktq *q, struct sk_buff *pkt, int prec)
+{
+ struct sk_buff *p;
+ int eprec = -1; /* precedence to evict from */
+
+ /* Fast case, precedence queue is not full and we are also not
+ * exceeding total queue length
+ */
+ if (!pktq_pfull(q, prec) && !pktq_full(q)) {
+ brcmu_pktq_penq(q, prec, pkt);
+ return true;
+ }
+
+ /* Determine precedence from which to evict packet, if any */
+ if (pktq_pfull(q, prec)) {
+ eprec = prec;
+ } else if (pktq_full(q)) {
+ p = brcmu_pktq_peek_tail(q, &eprec);
+ if (eprec > prec)
+ return false;
+ }
+
+ /* Evict if needed */
+ if (eprec >= 0) {
+ /* Detect queueing to unconfigured precedence */
+ if (eprec == prec)
+ return false; /* refuse newer (incoming) packet */
+ /* Evict packet according to discard policy */
+ p = brcmu_pktq_pdeq_tail(q, eprec);
+ if (p == NULL)
+ brcmf_err("brcmu_pktq_pdeq_tail() failed\n");
+ brcmu_pkt_buf_free_skb(p);
+ }
+
+ /* Enqueue */
+ p = brcmu_pktq_penq(q, prec, pkt);
+ if (p == NULL)
+ brcmf_err("brcmu_pktq_penq() failed\n");
+
+ return p != NULL;
+}
+
static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
{
int ret = -EBADE;
@@ -2788,7 +2830,7 @@ static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
spin_lock_bh(&bus->txq_lock);
/* reset bus_flags in packet cb */
*(u16 *)(pkt->cb) = 0;
- if (!brcmf_c_prec_enq(bus->sdiodev->dev, &bus->txq, pkt, prec)) {
+ if (!brcmf_sdio_prec_enq(&bus->txq, pkt, prec)) {
skb_pull(pkt, bus->tx_hdrlen);
brcmf_err("out of bus->txq !!!\n");
ret = -ENOSR;
@@ -2798,7 +2840,7 @@ static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
if (pktq_len(&bus->txq) >= TXHI) {
bus->txoff = true;
- brcmf_txflowblock(bus->sdiodev->dev, true);
+ brcmf_txflowblock(dev, true);
}
spin_unlock_bh(&bus->txq_lock);