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609208597b
Rework the code to get rid of some extra kernel module dependencies introduced in the last update. Signed-off-by: Felix Fietkau <nbd@nbd.name>
42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Sun, 23 Jul 2017 14:58:22 +0200
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Subject: [PATCH] ath9k: fix more-data flag for buffered multicast
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packets
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The flag needs to be cleared for the last packet in the list, not the
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first one. Fixes some issues with multicast packet loss for powersave
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clients connected to an ath9k AP.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -2451,7 +2451,6 @@ void ath_tx_cabq(struct ieee80211_hw *hw
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.txq = sc->beacon.cabq
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};
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struct ath_tx_info info = {};
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- struct ieee80211_hdr *hdr;
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struct ath_buf *bf_tail = NULL;
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struct ath_buf *bf;
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LIST_HEAD(bf_q);
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@@ -2495,15 +2494,10 @@ void ath_tx_cabq(struct ieee80211_hw *hw
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if (list_empty(&bf_q))
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return;
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- bf = list_first_entry(&bf_q, struct ath_buf, list);
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- hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data;
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-
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- if (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) {
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- hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA);
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- dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
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- sizeof(*hdr), DMA_TO_DEVICE);
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- }
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+ bf = list_last_entry(&bf_q, struct ath_buf, list);
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+ ath9k_set_moredata(sc, bf, false);
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+ bf = list_first_entry(&bf_q, struct ath_buf, list);
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ath_txq_lock(sc, txctl.txq);
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ath_tx_fill_desc(sc, bf, txctl.txq, 0);
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ath_tx_txqaddbuf(sc, txctl.txq, &bf_q, false);
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