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path: root/drivers/net/wireless/ath/wil6210/txrx.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/txrx.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/txrx.c75
1 files changed, 40 insertions, 35 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index c1b4bb03e997..072182e527e6 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
+ * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -29,12 +29,12 @@
#include "trace.h"
static bool rtap_include_phy_info;
-module_param(rtap_include_phy_info, bool, S_IRUGO);
+module_param(rtap_include_phy_info, bool, 0444);
MODULE_PARM_DESC(rtap_include_phy_info,
" Include PHY info in the radiotap header, default - no");
bool rx_align_2;
-module_param(rx_align_2, bool, S_IRUGO);
+module_param(rx_align_2, bool, 0444);
MODULE_PARM_DESC(rx_align_2, " align Rx buffers on 4*n+2, default - no");
static inline uint wil_rx_snaplen(void)
@@ -112,7 +112,7 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring)
size_t sz = vring->size * sizeof(vring->va[0]);
uint i;
- wil_dbg_misc(wil, "%s()\n", __func__);
+ wil_dbg_misc(wil, "vring_alloc:\n");
BUILD_BUG_ON(sizeof(vring->va[0]) != 32);
@@ -745,7 +745,7 @@ void wil_rx_handle(struct wil6210_priv *wil, int *quota)
wil_err(wil, "Rx IRQ while Rx not yet initialized\n");
return;
}
- wil_dbg_txrx(wil, "%s()\n", __func__);
+ wil_dbg_txrx(wil, "rx_handle\n");
while ((*quota > 0) && (NULL != (skb = wil_vring_reap_rx(wil, v)))) {
(*quota)--;
@@ -768,7 +768,7 @@ int wil_rx_init(struct wil6210_priv *wil, u16 size)
struct vring *vring = &wil->vring_rx;
int rc;
- wil_dbg_misc(wil, "%s()\n", __func__);
+ wil_dbg_misc(wil, "rx_init\n");
if (vring->va) {
wil_err(wil, "Rx ring already allocated\n");
@@ -799,7 +799,7 @@ void wil_rx_fini(struct wil6210_priv *wil)
{
struct vring *vring = &wil->vring_rx;
- wil_dbg_misc(wil, "%s()\n", __func__);
+ wil_dbg_misc(wil, "rx_fini\n");
if (vring->va)
wil_vring_free(wil, vring, 0);
@@ -851,7 +851,7 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
struct vring *vring = &wil->vring_tx[id];
struct vring_tx_data *txdata = &wil->vring_tx_data[id];
- wil_dbg_misc(wil, "%s() max_mpdu_size %d\n", __func__,
+ wil_dbg_misc(wil, "vring_init_tx: max_mpdu_size %d\n",
cmd.vring_cfg.tx_sw_ring.max_mpdu_size);
lockdep_assert_held(&wil->mutex);
@@ -931,7 +931,7 @@ int wil_vring_init_bcast(struct wil6210_priv *wil, int id, int size)
struct vring *vring = &wil->vring_tx[id];
struct vring_tx_data *txdata = &wil->vring_tx_data[id];
- wil_dbg_misc(wil, "%s() max_mpdu_size %d\n", __func__,
+ wil_dbg_misc(wil, "vring_init_bcast: max_mpdu_size %d\n",
cmd.vring_cfg.tx_sw_ring.max_mpdu_size);
lockdep_assert_held(&wil->mutex);
@@ -993,7 +993,7 @@ void wil_vring_fini_tx(struct wil6210_priv *wil, int id)
if (!vring->va)
return;
- wil_dbg_misc(wil, "%s() id=%d\n", __func__, id);
+ wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id);
spin_lock_bh(&txdata->lock);
txdata->dot1x_open = false;
@@ -1032,12 +1032,14 @@ static struct vring *wil_find_tx_ucast(struct wil6210_priv *wil,
struct vring *v = &wil->vring_tx[i];
struct vring_tx_data *txdata = &wil->vring_tx_data[i];
- wil_dbg_txrx(wil, "%s(%pM) -> [%d]\n",
- __func__, eth->h_dest, i);
+ wil_dbg_txrx(wil, "find_tx_ucast: (%pM) -> [%d]\n",
+ eth->h_dest, i);
if (v->va && txdata->enabled) {
return v;
} else {
- wil_dbg_txrx(wil, "vring[%d] not valid\n", i);
+ wil_dbg_txrx(wil,
+ "find_tx_ucast: vring[%d] not valid\n",
+ i);
return NULL;
}
}
@@ -1193,17 +1195,6 @@ found:
return v;
}
-static struct vring *wil_find_tx_bcast(struct wil6210_priv *wil,
- struct sk_buff *skb)
-{
- struct wireless_dev *wdev = wil->wdev;
-
- if (wdev->iftype != NL80211_IFTYPE_AP)
- return wil_find_tx_bcast_2(wil, skb);
-
- return wil_find_tx_bcast_1(wil, skb);
-}
-
static int wil_tx_desc_map(struct vring_tx_desc *d, dma_addr_t pa, u32 len,
int vring_index)
{
@@ -1373,8 +1364,8 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct vring *vring,
int gso_type;
int rc = -EINVAL;
- wil_dbg_txrx(wil, "%s() %d bytes to vring %d\n",
- __func__, skb->len, vring_index);
+ wil_dbg_txrx(wil, "tx_vring_tso: %d bytes to vring %d\n", skb->len,
+ vring_index);
if (unlikely(!txdata->enabled))
return -EINVAL;
@@ -1643,8 +1634,8 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
bool mcast = (vring_index == wil->bcast_vring);
uint len = skb_headlen(skb);
- wil_dbg_txrx(wil, "%s() %d bytes to vring %d\n",
- __func__, skb->len, vring_index);
+ wil_dbg_txrx(wil, "tx_vring: %d bytes to vring %d\n", skb->len,
+ vring_index);
if (unlikely(!txdata->enabled))
return -EINVAL;
@@ -1884,7 +1875,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
static bool pr_once_fw;
int rc;
- wil_dbg_txrx(wil, "%s()\n", __func__);
+ wil_dbg_txrx(wil, "start_xmit\n");
if (unlikely(!test_bit(wil_status_fwready, wil->status))) {
if (!pr_once_fw) {
wil_err(wil, "FW not ready\n");
@@ -1903,12 +1894,26 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
pr_once_fw = false;
/* find vring */
- if (wil->wdev->iftype == NL80211_IFTYPE_STATION) {
- /* in STA mode (ESS), all to same VRING */
+ if (wil->wdev->iftype == NL80211_IFTYPE_STATION && !wil->pbss) {
+ /* in STA mode (ESS), all to same VRING (to AP) */
vring = wil_find_tx_vring_sta(wil, skb);
- } else { /* direct communication, find matching VRING */
- vring = bcast ? wil_find_tx_bcast(wil, skb) :
- wil_find_tx_ucast(wil, skb);
+ } else if (bcast) {
+ if (wil->pbss)
+ /* in pbss, no bcast VRING - duplicate skb in
+ * all stations VRINGs
+ */
+ vring = wil_find_tx_bcast_2(wil, skb);
+ else if (wil->wdev->iftype == NL80211_IFTYPE_AP)
+ /* AP has a dedicated bcast VRING */
+ vring = wil_find_tx_bcast_1(wil, skb);
+ else
+ /* unexpected combination, fallback to duplicating
+ * the skb in all stations VRINGs
+ */
+ vring = wil_find_tx_bcast_2(wil, skb);
+ } else {
+ /* unicast, find specific VRING by dest. address */
+ vring = wil_find_tx_ucast(wil, skb);
}
if (unlikely(!vring)) {
wil_dbg_txrx(wil, "No Tx VRING found for %pM\n", eth->h_dest);
@@ -1982,7 +1987,7 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid)
return 0;
}
- wil_dbg_txrx(wil, "%s(%d)\n", __func__, ringid);
+ wil_dbg_txrx(wil, "tx_complete: (%d)\n", ringid);
used_before_complete = wil_vring_used_tx(vring);