diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 64d8aa4e0cad..a5b869eb4678 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -185,7 +185,7 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv) priv->clk_csr = STMMAC_CSR_100_150M; else if ((clk_rate >= CSR_F_150M) && (clk_rate < CSR_F_250M)) priv->clk_csr = STMMAC_CSR_150_250M; - else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M)) + else if ((clk_rate >= CSR_F_250M) && (clk_rate <= CSR_F_300M)) priv->clk_csr = STMMAC_CSR_250_300M; } } @@ -2232,6 +2232,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit) frame_len = priv->hw->desc->get_rx_frame_len(p, coe); + /* check if frame_len fits the preallocated memory */ + if (frame_len > priv->dma_buf_sz) { + priv->dev->stats.rx_length_errors++; + break; + } + /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 * Type frames (LLC/LLC-SNAP) */ @@ -3040,8 +3046,6 @@ int stmmac_suspend(struct net_device *ndev) priv->hw->dma->stop_tx(priv->ioaddr); priv->hw->dma->stop_rx(priv->ioaddr); - stmmac_clear_descriptors(priv); - /* Enable Power down mode by programming the PMT regs */ if (device_may_wakeup(priv->device)) { priv->hw->mac->pmt(priv->hw, priv->wolopts); @@ -3099,9 +3103,15 @@ int stmmac_resume(struct net_device *ndev) netif_device_attach(ndev); - init_dma_desc_rings(ndev, GFP_ATOMIC); + priv->cur_rx = 0; + priv->dirty_rx = 0; + priv->dirty_tx = 0; + priv->cur_tx = 0; + stmmac_clear_descriptors(priv); + stmmac_hw_setup(ndev, false); stmmac_init_tx_coalesce(priv); + stmmac_set_rx_mode(ndev); napi_enable(&priv->napi); |