diff options
Diffstat (limited to 'package/mac80211/patches/556-ath9k_fix_rx_race.patch')
-rw-r--r-- | package/mac80211/patches/556-ath9k_fix_rx_race.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/package/mac80211/patches/556-ath9k_fix_rx_race.patch b/package/mac80211/patches/556-ath9k_fix_rx_race.patch deleted file mode 100644 index 69030d27a3..0000000000 --- a/package/mac80211/patches/556-ath9k_fix_rx_race.patch +++ /dev/null @@ -1,82 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -79,10 +79,6 @@ struct ath_config { - sizeof(struct ath_buf_state)); \ - } while (0) - --#define ATH_RXBUF_RESET(_bf) do { \ -- (_bf)->bf_stale = false; \ -- } while (0) -- - /** - * enum buffer_type - Buffer type flags - * -@@ -317,6 +313,7 @@ struct ath_rx { - struct ath_descdma rxdma; - struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; - -+ struct ath_buf *buf_hold; - struct sk_buff *frag; - - u32 ampdu_ref; ---- a/drivers/net/wireless/ath/ath9k/recv.c -+++ b/drivers/net/wireless/ath/ath9k/recv.c -@@ -42,8 +42,6 @@ static void ath_rx_buf_link(struct ath_s - struct ath_desc *ds; - struct sk_buff *skb; - -- ATH_RXBUF_RESET(bf); -- - ds = bf->bf_desc; - ds->ds_link = 0; /* link to null */ - ds->ds_data = bf->bf_buf_addr; -@@ -70,6 +68,14 @@ static void ath_rx_buf_link(struct ath_s - sc->rx.rxlink = &ds->ds_link; - } - -+static void ath_rx_buf_relink(struct ath_softc *sc, struct ath_buf *bf) -+{ -+ if (sc->rx.buf_hold) -+ ath_rx_buf_link(sc, sc->rx.buf_hold); -+ -+ sc->rx.buf_hold = bf; -+} -+ - static void ath_setdefantenna(struct ath_softc *sc, u32 antenna) - { - /* XXX block beacon interrupts */ -@@ -117,7 +123,6 @@ static bool ath_rx_edma_buf_link(struct - - skb = bf->bf_mpdu; - -- ATH_RXBUF_RESET(bf); - memset(skb->data, 0, ah->caps.rx_status_len); - dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, - ah->caps.rx_status_len, DMA_TO_DEVICE); -@@ -432,6 +437,7 @@ int ath_startrecv(struct ath_softc *sc) - if (list_empty(&sc->rx.rxbuf)) - goto start_recv; - -+ sc->rx.buf_hold = NULL; - sc->rx.rxlink = NULL; - list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) { - ath_rx_buf_link(sc, bf); -@@ -677,6 +683,9 @@ static struct ath_buf *ath_get_next_rx_b - } - - bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list); -+ if (bf == sc->rx.buf_hold) -+ return NULL; -+ - ds = bf->bf_desc; - - /* -@@ -1391,7 +1400,7 @@ requeue: - if (edma) { - ath_rx_edma_buf_link(sc, qtype); - } else { -- ath_rx_buf_link(sc, bf); -+ ath_rx_buf_relink(sc, bf); - ath9k_hw_rxena(ah); - } - } while (1); |