diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/dp.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/dp.h | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/dp_rx.c | 6 |
3 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath11k/dp.c b/drivers/net/wireless/ath/ath11k/dp.c index 50350f77b309..8d6fb848f8c4 100644 --- a/drivers/net/wireless/ath/ath11k/dp.c +++ b/drivers/net/wireless/ath/ath11k/dp.c @@ -880,6 +880,8 @@ int ath11k_dp_alloc(struct ath11k_base *ab) INIT_LIST_HEAD(&dp->reo_cmd_cache_flush_list); spin_lock_init(&dp->reo_cmd_lock); + dp->reo_cmd_cache_flush_count = 0; + ret = ath11k_wbm_idle_ring_setup(ab, &n_link_desc); if (ret) { ath11k_warn(ab, "failed to setup wbm_idle_ring: %d\n", ret); diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h index d4e19dc4bce1..222de10e4b93 100644 --- a/drivers/net/wireless/ath/ath11k/dp.h +++ b/drivers/net/wireless/ath/ath11k/dp.h @@ -36,6 +36,7 @@ struct dp_rx_tid { struct ath11k_base *ab; }; +#define DP_REO_DESC_FREE_THRESHOLD 64 #define DP_REO_DESC_FREE_TIMEOUT_MS 1000 struct dp_reo_cache_flush_elem { @@ -222,7 +223,13 @@ struct ath11k_dp { struct hal_wbm_idle_scatter_list scatter_list[DP_IDLE_SCATTER_BUFS_MAX]; struct list_head reo_cmd_list; struct list_head reo_cmd_cache_flush_list; - /* protects access to reo_cmd_list and reo_cmd_cache_flush_list */ + u32 reo_cmd_cache_flush_count; + /** + * protects access to below fields, + * - reo_cmd_list + * - reo_cmd_cache_flush_list + * - reo_cmd_cache_flush_count + */ spinlock_t reo_cmd_lock; }; diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index bbd7da48518f..d3d2a335cc40 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -565,6 +565,7 @@ void ath11k_dp_reo_cmd_list_cleanup(struct ath11k_base *ab) list_for_each_entry_safe(cmd_cache, tmp_cache, &dp->reo_cmd_cache_flush_list, list) { list_del(&cmd_cache->list); + dp->reo_cmd_cache_flush_count--; dma_unmap_single(ab->dev, cmd_cache->data.paddr, cmd_cache->data.size, DMA_BIDIRECTIONAL); kfree(cmd_cache->data.vaddr); @@ -651,15 +652,18 @@ static void ath11k_dp_rx_tid_del_func(struct ath11k_dp *dp, void *ctx, spin_lock_bh(&dp->reo_cmd_lock); list_add_tail(&elem->list, &dp->reo_cmd_cache_flush_list); + dp->reo_cmd_cache_flush_count++; spin_unlock_bh(&dp->reo_cmd_lock); /* Flush and invalidate aged REO desc from HW cache */ spin_lock_bh(&dp->reo_cmd_lock); list_for_each_entry_safe(elem, tmp, &dp->reo_cmd_cache_flush_list, list) { - if (time_after(jiffies, elem->ts + + if (dp->reo_cmd_cache_flush_count > DP_REO_DESC_FREE_THRESHOLD || + time_after(jiffies, elem->ts + msecs_to_jiffies(DP_REO_DESC_FREE_TIMEOUT_MS))) { list_del(&elem->list); + dp->reo_cmd_cache_flush_count--; spin_unlock_bh(&dp->reo_cmd_lock); ath11k_dp_reo_cache_flush(ab, &elem->data); |