diff options
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips.c | 74 |
1 files changed, 35 insertions, 39 deletions
diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c index df6829739f..1fd9180a39 100644 --- a/target/linux/ramips/files/drivers/net/ramips.c +++ b/target/linux/ramips/files/drivers/net/ramips.c @@ -52,57 +52,55 @@ ramips_fe_rr(unsigned reg) } static void -ramips_cleanup_dma(struct net_device *dev) +ramips_cleanup_dma(struct raeth_priv *re) { - struct raeth_priv *priv = netdev_priv(dev); int i; for (i = 0; i < NUM_RX_DESC; i++) - if (priv->rx_skb[i]) - dev_kfree_skb_any(priv->rx_skb[i]); + if (re->rx_skb[i]) + dev_kfree_skb_any(re->rx_skb[i]); - if (priv->rx) + if (re->rx) dma_free_coherent(NULL, NUM_RX_DESC * sizeof(struct ramips_rx_dma), - priv->rx, priv->phy_rx); + re->rx, re->phy_rx); - if (priv->tx) + if (re->tx) dma_free_coherent(NULL, NUM_TX_DESC * sizeof(struct ramips_tx_dma), - priv->tx, priv->phy_tx); + re->tx, re->phy_tx); } static int -ramips_alloc_dma(struct net_device *dev) +ramips_alloc_dma(struct raeth_priv *re) { - struct raeth_priv *priv = netdev_priv(dev); int err = -ENOMEM; int i; - priv->skb_free_idx = 0; + re->skb_free_idx = 0; /* setup tx ring */ - priv->tx = dma_alloc_coherent(NULL, - NUM_TX_DESC * sizeof(struct ramips_tx_dma), - &priv->phy_tx, GFP_ATOMIC); - if (!priv->tx) + re->tx = dma_alloc_coherent(NULL, + NUM_TX_DESC * sizeof(struct ramips_tx_dma), + &re->phy_tx, GFP_ATOMIC); + if (!re->tx) goto err_cleanup; - memset(priv->tx, 0, NUM_TX_DESC * sizeof(struct ramips_tx_dma)); + memset(re->tx, 0, NUM_TX_DESC * sizeof(struct ramips_tx_dma)); for (i = 0; i < NUM_TX_DESC; i++) { - priv->tx[i].txd2 |= TX_DMA_LSO | TX_DMA_DONE; - priv->tx[i].txd4 &= (TX_DMA_QN_MASK | TX_DMA_PN_MASK); - priv->tx[i].txd4 |= TX_DMA_QN(3) | TX_DMA_PN(1); + re->tx[i].txd2 |= TX_DMA_LSO | TX_DMA_DONE; + re->tx[i].txd4 &= (TX_DMA_QN_MASK | TX_DMA_PN_MASK); + re->tx[i].txd4 |= TX_DMA_QN(3) | TX_DMA_PN(1); } /* setup rx ring */ - priv->rx = dma_alloc_coherent(NULL, - NUM_RX_DESC * sizeof(struct ramips_rx_dma), - &priv->phy_rx, GFP_ATOMIC); - if (!priv->rx) + re->rx = dma_alloc_coherent(NULL, + NUM_RX_DESC * sizeof(struct ramips_rx_dma), + &re->phy_rx, GFP_ATOMIC); + if (!re->rx) goto err_cleanup; - memset(priv->rx, 0, sizeof(struct ramips_rx_dma) * NUM_RX_DESC); + memset(re->rx, 0, sizeof(struct ramips_rx_dma) * NUM_RX_DESC); for (i = 0; i < NUM_RX_DESC; i++) { struct sk_buff *new_skb = dev_alloc_skb(MAX_RX_LENGTH + 2); @@ -110,32 +108,30 @@ ramips_alloc_dma(struct net_device *dev) goto err_cleanup; skb_reserve(new_skb, 2); - priv->rx[i].rxd1 = dma_map_single(NULL, - skb_put(new_skb, 2), - MAX_RX_LENGTH + 2, - DMA_FROM_DEVICE); - priv->rx[i].rxd2 |= RX_DMA_LSO; - priv->rx_skb[i] = new_skb; + re->rx[i].rxd1 = dma_map_single(NULL, + skb_put(new_skb, 2), + MAX_RX_LENGTH + 2, + DMA_FROM_DEVICE); + re->rx[i].rxd2 |= RX_DMA_LSO; + re->rx_skb[i] = new_skb; } return 0; err_cleanup: - ramips_cleanup_dma(dev); + ramips_cleanup_dma(re); return err; } static void -ramips_setup_dma(struct net_device *dev) +ramips_setup_dma(struct raeth_priv *re) { - struct raeth_priv *priv = netdev_priv(dev); - - ramips_fe_wr(phys_to_bus(priv->phy_tx), RAMIPS_TX_BASE_PTR0); + ramips_fe_wr(phys_to_bus(re->phy_tx), RAMIPS_TX_BASE_PTR0); ramips_fe_wr(NUM_TX_DESC, RAMIPS_TX_MAX_CNT0); ramips_fe_wr(0, RAMIPS_TX_CTX_IDX0); ramips_fe_wr(RAMIPS_PST_DTX_IDX0, RAMIPS_PDMA_RST_CFG); - ramips_fe_wr(phys_to_bus(priv->phy_rx), RAMIPS_RX_BASE_PTR0); + ramips_fe_wr(phys_to_bus(re->phy_rx), RAMIPS_RX_BASE_PTR0); ramips_fe_wr(NUM_RX_DESC, RAMIPS_RX_MAX_CNT0); ramips_fe_wr((NUM_RX_DESC - 1), RAMIPS_RX_CALC_IDX0); ramips_fe_wr(RAMIPS_PST_DRX_IDX0, RAMIPS_PDMA_RST_CFG); @@ -314,11 +310,11 @@ ramips_eth_open(struct net_device *dev) if (err) return err; - err = ramips_alloc_dma(dev); + err = ramips_alloc_dma(priv); if (err) goto err_free_irq; - ramips_setup_dma(dev); + ramips_setup_dma(priv); ramips_fe_wr((ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & 0xff) | (RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS), @@ -364,7 +360,7 @@ ramips_eth_stop(struct net_device *dev) netif_stop_queue(dev); tasklet_kill(&priv->tx_housekeeping_tasklet); tasklet_kill(&priv->rx_tasklet); - ramips_cleanup_dma(dev); + ramips_cleanup_dma(priv); printk(KERN_DEBUG "ramips_eth: stopped\n"); return 0; } |