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95 lines
3.5 KiB
Diff
95 lines
3.5 KiB
Diff
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From a13d985f26f6df07d5c5c0e190477628e236babc Mon Sep 17 00:00:00 2001
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Wed, 15 Feb 2017 10:25:05 +0100
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Subject: [PATCH 09/19] rt2800: identify station based on status WCID
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Add framework to identify sta based on tx status WCID. This is currently
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not used, will start be utilized in the future patch.
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 5 +++++
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drivers/net/wireless/ralink/rt2x00/rt2800lib.h | 1 +
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drivers/net/wireless/ralink/rt2x00/rt2x00queue.h | 3 ++-
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3 files changed, 8 insertions(+), 1 deletion(-)
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diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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index 8223a1520316..46405cce35e0 100644
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -855,11 +855,13 @@ EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
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void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
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{
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struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
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+ struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
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struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
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struct txdone_entry_desc txdesc;
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u32 word;
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u16 mcs, real_mcs;
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int aggr, ampdu;
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+ int wcid;
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/*
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* Obtain the status about this packet.
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@@ -872,6 +874,7 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
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real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
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aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
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+ wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID);
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/*
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* If a frame was meant to be sent as a single non-aggregated MPDU
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@@ -1468,6 +1471,7 @@ int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
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return 0;
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__set_bit(wcid - WCID_START, drv_data->sta_ids);
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+ drv_data->wcid_to_sta[wcid - WCID_START] = sta;
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/*
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* Clean up WCID attributes and write STA address to the device.
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@@ -1498,6 +1502,7 @@ int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, struct ieee80211_sta *sta)
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* get renewed when the WCID is reused.
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*/
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rt2800_config_wcid(rt2x00dev, NULL, wcid);
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+ drv_data->wcid_to_sta[wcid - WCID_START] = NULL;
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__clear_bit(wcid - WCID_START, drv_data->sta_ids);
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return 0;
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diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
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index 8e1ae138c3f1..6811d677a6e7 100644
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
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@@ -41,6 +41,7 @@ struct rt2800_drv_data {
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unsigned int tbtt_tick;
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unsigned int ampdu_factor_cnt[4];
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DECLARE_BITMAP(sta_ids, STA_IDS_SIZE);
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+ struct ieee80211_sta *wcid_to_sta[STA_IDS_SIZE];
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};
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struct rt2800_ops {
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diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
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index 22d18818e850..9b297fce4692 100644
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
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@@ -102,7 +102,7 @@ enum skb_frame_desc_flags {
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* of the scope of the skb->data pointer.
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* @iv: IV/EIV data used during encryption/decryption.
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* @skb_dma: (PCI-only) the DMA address associated with the sk buffer.
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- * @entry: The entry to which this sk buffer belongs.
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+ * @sta: The station where sk buffer was sent.
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*/
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struct skb_frame_desc {
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u8 flags;
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@@ -116,6 +116,7 @@ struct skb_frame_desc {
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__le32 iv[2];
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dma_addr_t skb_dma;
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+ struct ieee80211_sta *sta;
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};
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/**
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--
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2.12.1
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