diff options
| -rw-r--r-- | target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mtk_eth_soc.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mtk_eth_soc.c b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mtk_eth_soc.c index 79ec17e3ff..d53f6c024e 100644 --- a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mtk_eth_soc.c +++ b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mtk_eth_soc.c @@ -882,17 +882,17 @@ release_desc: rxd->rxd2 = RX_DMA_LSO; ring->rx_calc_idx = idx; - done++; - } - - if (done) { /* make sure that all changes to the dma ring are flushed before * we continue */ wmb(); fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0); + done++; } + if (done < budget) + fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS); + return done; } @@ -928,12 +928,16 @@ static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr, } ring->tx_free_idx = idx; - if (idx == hwidx) + if (idx == hwidx) { /* read hw index again make sure no new tx packet */ hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0); - - if (idx != hwidx) + if (idx == hwidx) + fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS); + else + *tx_again = 1; + } else { *tx_again = 1; + } if (done) { netdev_completed_queue(netdev, done, bytes_compl); @@ -954,6 +958,8 @@ static int fe_poll(struct napi_struct *napi, int budget) u32 status, fe_status, status_reg, mask; u32 tx_intr, rx_intr, status_intr; + status = fe_reg_r32(FE_REG_FE_INT_STATUS); + fe_status = status; tx_intr = priv->soc->tx_int; rx_intr = priv->soc->rx_int; status_intr = priv->soc->status_int; @@ -961,7 +967,6 @@ static int fe_poll(struct napi_struct *napi, int budget) rx_done = 0; tx_again = 0; - fe_status = status = fe_reg_r32(FE_REG_FE_INT_STATUS); if (fe_reg_table[FE_REG_FE_INT_STATUS2]) { fe_status = fe_reg_r32(FE_REG_FE_INT_STATUS2); status_reg = FE_REG_FE_INT_STATUS2; @@ -969,14 +974,11 @@ static int fe_poll(struct napi_struct *napi, int budget) status_reg = FE_REG_FE_INT_STATUS; } -poll_again: - fe_reg_w32(status & (rx_intr | tx_intr), FE_REG_FE_INT_STATUS); - if (status & tx_intr) - tx_done += fe_poll_tx(priv, budget, tx_intr, &tx_again); + tx_done = fe_poll_tx(priv, budget, tx_intr, &tx_again); if (status & rx_intr) - rx_done += fe_poll_rx(napi, budget - rx_done, priv, rx_intr); + rx_done = fe_poll_rx(napi, budget, priv, rx_intr); if (unlikely(fe_status & status_intr)) { if (hwstat && spin_trylock(&hwstat->stats_lock)) { @@ -1007,6 +1009,7 @@ poll_again: rx_done = budget; } +poll_again: return rx_done; } |