diff options
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 27699c8af3a1..1a51c71e156c 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -930,10 +930,6 @@ struct mvpp2_bm_pool { /* Ports using BM pool */ u32 port_map; - - /* Occupied buffers indicator */ - atomic_t in_use; - int in_use_thresh; }; struct mvpp2_buff_hdr { @@ -3399,7 +3395,6 @@ static int mvpp2_bm_pool_create(struct platform_device *pdev, bm_pool->size = size; bm_pool->pkt_size = 0; bm_pool->buf_num = 0; - atomic_set(&bm_pool->in_use, 0); return 0; } @@ -3656,7 +3651,6 @@ static int mvpp2_bm_bufs_add(struct mvpp2_port *port, /* Update BM driver with number of buffers added to pool */ bm_pool->buf_num += i; - bm_pool->in_use_thresh = bm_pool->buf_num / 4; netdev_dbg(port->dev, "%s pool %d: pkt_size=%4d, buf_size=%4d, total_size=%4d\n", @@ -5014,23 +5008,18 @@ static void mvpp2_rx_csum(struct mvpp2_port *port, u32 status, /* Reuse skb if possible, or allocate a new skb and add it to BM pool */ static int mvpp2_rx_refill(struct mvpp2_port *port, - struct mvpp2_bm_pool *bm_pool, - u32 bm, int is_recycle) + struct mvpp2_bm_pool *bm_pool, u32 bm) { struct sk_buff *skb; dma_addr_t phys_addr; - if (is_recycle && - (atomic_read(&bm_pool->in_use) < bm_pool->in_use_thresh)) - return 0; - /* No recycle or too many buffers are in use, so allocate a new skb */ skb = mvpp2_skb_alloc(port, bm_pool, &phys_addr, GFP_ATOMIC); if (!skb) return -ENOMEM; mvpp2_pool_refill(port, bm, (u32)phys_addr, (u32)skb); - atomic_dec(&bm_pool->in_use); + return 0; } @@ -5156,7 +5145,7 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, skb = (struct sk_buff *)rx_desc->buf_cookie; - err = mvpp2_rx_refill(port, bm_pool, bm, 0); + err = mvpp2_rx_refill(port, bm_pool, bm); if (err) { netdev_err(port->dev, "failed to refill BM pools\n"); goto err_drop_frame; @@ -5167,7 +5156,6 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, rcvd_pkts++; rcvd_bytes += rx_bytes; - atomic_inc(&bm_pool->in_use); skb_reserve(skb, MVPP2_MH_SIZE); skb_put(skb, rx_bytes); |