diff options
| -rw-r--r-- | package/kernel/mac80211/patches/331-ath9k-fix-more-data-flag-for-buffered-multicast-pack.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/331-ath9k-fix-more-data-flag-for-buffered-multicast-pack.patch b/package/kernel/mac80211/patches/331-ath9k-fix-more-data-flag-for-buffered-multicast-pack.patch new file mode 100644 index 0000000000..d09c82cb97 --- /dev/null +++ b/package/kernel/mac80211/patches/331-ath9k-fix-more-data-flag-for-buffered-multicast-pack.patch @@ -0,0 +1,38 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sun, 23 Jul 2017 14:58:22 +0200 +Subject: [PATCH] ath9k: fix more-data flag for buffered multicast packets + +The flag needs to be cleared for the last packet in the list, not the +first one. Fixes some issues with multicast packet loss for powersave +clients connected to an ath9k AP. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -2451,7 +2451,6 @@ void ath_tx_cabq(struct ieee80211_hw *hw + .txq = sc->beacon.cabq + }; + struct ath_tx_info info = {}; +- struct ieee80211_hdr *hdr; + struct ath_buf *bf_tail = NULL; + struct ath_buf *bf; + LIST_HEAD(bf_q); +@@ -2495,14 +2494,8 @@ void ath_tx_cabq(struct ieee80211_hw *hw + if (list_empty(&bf_q)) + return; + +- bf = list_first_entry(&bf_q, struct ath_buf, list); +- hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data; +- +- if (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) { +- hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA); +- dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, +- sizeof(*hdr), DMA_TO_DEVICE); +- } ++ bf = list_last_entry(&bf_q, struct ath_buf, list); ++ ath9k_set_moredata(sc, bf, false); + + ath_txq_lock(sc, txctl.txq); + ath_tx_fill_desc(sc, bf, txctl.txq, 0); |