From b056397e98a9d7fb8fed9f5c837461f3dd8b0132 Mon Sep 17 00:00:00 2001 From: Jessica Wu Date: Tue, 17 Jun 2014 12:40:58 +0300 Subject: [PATCH 3/8] ath6kl: implement rx flush for htc pipe rx flush was not implemented for htc pipe, add that now. Doesn't fix any known issues. Also free the skb if htc control messages get canceled. Signed-off-by: Jessica Wu Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/htc_pipe.c | 32 +++++++++++++++++++++++++++--- 1 file changed, 29 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c index 756fe52..ca1a18c 100644 --- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c +++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c @@ -1170,8 +1170,12 @@ static int htc_wait_recv_ctrl_message(struct htc_target *target) static void htc_rxctrl_complete(struct htc_target *context, struct htc_packet *packet) { - /* TODO, can't really receive HTC control messages yet.... */ - ath6kl_dbg(ATH6KL_DBG_HTC, "%s: invalid call function\n", __func__); + struct sk_buff *skb = packet->skb; + + if (packet->endpoint == ENDPOINT_0 && + packet->status == -ECANCELED && + skb != NULL) + dev_kfree_skb(skb); } /* htc pipe initialization */ @@ -1678,7 +1682,29 @@ static void ath6kl_htc_pipe_activity_changed(struct htc_target *target, static void ath6kl_htc_pipe_flush_rx_buf(struct htc_target *target) { - /* TODO */ + struct htc_endpoint *endpoint; + struct htc_packet *packet, *tmp_pkt; + int i; + + for (i = ENDPOINT_0; i < ENDPOINT_MAX; i++) { + endpoint = &target->endpoint[i]; + + spin_lock_bh(&target->rx_lock); + + list_for_each_entry_safe(packet, tmp_pkt, + &endpoint->rx_bufq, list) { + list_del(&packet->list); + spin_unlock_bh(&target->rx_lock); + ath6kl_dbg(ATH6KL_DBG_HTC, + "htc rx flush pkt 0x%p len %d ep %d\n", + packet, packet->buf_len, + packet->endpoint); + dev_kfree_skb(packet->pkt_cntxt); + spin_lock_bh(&target->rx_lock); + } + + spin_unlock_bh(&target->rx_lock); + } } static int ath6kl_htc_pipe_credit_setup(struct htc_target *target, -- 2.1.0