diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/txrx.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 75 |
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); 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