From d540690d3ab7f7a19610649c66fa5e670091c7fb Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Tue, 18 Nov 2014 09:24:47 +0200 Subject: [PATCH] ath10k: simplify Rx loop Since htt_rx_mpdu_status isn't used anymore (instead attention flags are used) simplify the loop. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 80 ++++++++++++------------ 1 file changed, 39 insertions(+), 41 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index f988a8db7bfd..5edeac00b624 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1197,8 +1197,7 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt, int fw_desc_len; u8 *fw_desc; bool channel_set; - int i, j; - int ret; + int i, ret, mpdu_count = 0; lockdep_assert_held(&htt->rx_ring.lock); @@ -1237,51 +1236,50 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt, (sizeof(struct htt_rx_indication_mpdu_range) * num_mpdu_ranges)); - for (i = 0; i < num_mpdu_ranges; i++) { - for (j = 0; j < mpdu_ranges[i].mpdu_count; j++) { - attention = 0; - __skb_queue_head_init(&amsdu); - ret = ath10k_htt_rx_amsdu_pop(htt, &fw_desc, - &fw_desc_len, &amsdu, - &attention); - - if (ret < 0) { - ath10k_warn(ar, "failed to pop amsdu from htt rx ring %d\n", - ret); - __skb_queue_purge(&amsdu); - continue; - } + for (i = 0; i < num_mpdu_ranges; i++) + mpdu_count += mpdu_ranges[i].mpdu_count; + + while (mpdu_count--) { + attention = 0; + __skb_queue_head_init(&amsdu); + ret = ath10k_htt_rx_amsdu_pop(htt, &fw_desc, + &fw_desc_len, &amsdu, + &attention); + if (ret < 0) { + ath10k_warn(ar, "failed to pop amsdu from htt rx ring %d\n", + ret); + __skb_queue_purge(&amsdu); + continue; + } - if (!ath10k_htt_rx_amsdu_allowed(htt, skb_peek(&amsdu), - channel_set, - attention)) { - __skb_queue_purge(&amsdu); - continue; - } + if (!ath10k_htt_rx_amsdu_allowed(htt, skb_peek(&amsdu), + channel_set, attention)) { + __skb_queue_purge(&amsdu); + continue; + } - if (ret > 0 && ath10k_unchain_msdu(&amsdu) < 0) { - __skb_queue_purge(&amsdu); - continue; - } + if (ret > 0 && ath10k_unchain_msdu(&amsdu) < 0) { + __skb_queue_purge(&amsdu); + continue; + } - if (attention & RX_ATTENTION_FLAGS_FCS_ERR) - rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; - else - rx_status->flag &= ~RX_FLAG_FAILED_FCS_CRC; + if (attention & RX_ATTENTION_FLAGS_FCS_ERR) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + else + rx_status->flag &= ~RX_FLAG_FAILED_FCS_CRC; - if (attention & RX_ATTENTION_FLAGS_TKIP_MIC_ERR) - rx_status->flag |= RX_FLAG_MMIC_ERROR; - else - rx_status->flag &= ~RX_FLAG_MMIC_ERROR; + if (attention & RX_ATTENTION_FLAGS_TKIP_MIC_ERR) + rx_status->flag |= RX_FLAG_MMIC_ERROR; + else + rx_status->flag &= ~RX_FLAG_MMIC_ERROR; - hdr = ath10k_htt_rx_skb_get_hdr(skb_peek(&amsdu)); + hdr = ath10k_htt_rx_skb_get_hdr(skb_peek(&amsdu)); - if (ath10k_htt_rx_hdr_is_amsdu(hdr)) - ath10k_htt_rx_amsdu(htt, rx_status, &amsdu); - else - ath10k_htt_rx_msdu(htt, rx_status, - __skb_dequeue(&amsdu)); - } + if (ath10k_htt_rx_hdr_is_amsdu(hdr)) + ath10k_htt_rx_amsdu(htt, rx_status, &amsdu); + else + ath10k_htt_rx_msdu(htt, rx_status, + __skb_dequeue(&amsdu)); } tasklet_schedule(&htt->rx_replenish_task); -- 2.20.1