diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_fcoe.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_fcoe.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c index 579a46ca82df..8ad162c16f61 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c +++ b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c @@ -295,11 +295,11 @@ void i40e_init_pf_fcoe(struct i40e_pf *pf) } /* enable FCoE hash filter */ - val = rd32(hw, I40E_PFQF_HENA(1)); + val = i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)); val |= BIT(I40E_FILTER_PCTYPE_FCOE_OX - 32); val |= BIT(I40E_FILTER_PCTYPE_FCOE_RX - 32); val &= I40E_PFQF_HENA_PTYPE_ENA_MASK; - wr32(hw, I40E_PFQF_HENA(1), val); + i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), val); /* enable flag */ pf->flags |= I40E_FLAG_FCOE_ENABLED; @@ -317,11 +317,11 @@ void i40e_init_pf_fcoe(struct i40e_pf *pf) pf->filter_settings.fcoe_cntx_num = I40E_DMA_CNTX_SIZE_4K; /* Setup max frame with FCoE_MTU plus L2 overheads */ - val = rd32(hw, I40E_GLFCOE_RCTL); + val = i40e_read_rx_ctl(hw, I40E_GLFCOE_RCTL); val &= ~I40E_GLFCOE_RCTL_MAX_SIZE_MASK; val |= ((FCOE_MTU + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) << I40E_GLFCOE_RCTL_MAX_SIZE_SHIFT); - wr32(hw, I40E_GLFCOE_RCTL, val); + i40e_write_rx_ctl(hw, I40E_GLFCOE_RCTL, val); dev_info(&pf->pdev->dev, "FCoE is supported.\n"); } @@ -1359,16 +1359,32 @@ static netdev_tx_t i40e_fcoe_xmit_frame(struct sk_buff *skb, struct i40e_ring *tx_ring = vsi->tx_rings[skb->queue_mapping]; struct i40e_tx_buffer *first; u32 tx_flags = 0; + int fso, count; u8 hdr_len = 0; u8 sof = 0; u8 eof = 0; - int fso; if (i40e_fcoe_set_skb_header(skb)) goto out_drop; - if (!i40e_xmit_descriptor_count(skb, tx_ring)) + count = i40e_xmit_descriptor_count(skb); + if (i40e_chk_linearize(skb, count)) { + if (__skb_linearize(skb)) + goto out_drop; + count = TXD_USE_COUNT(skb->len); + tx_ring->tx_stats.tx_linearize++; + } + + /* need: 1 descriptor per page * PAGE_SIZE/I40E_MAX_DATA_PER_TXD, + * + 1 desc for skb_head_len/I40E_MAX_DATA_PER_TXD, + * + 4 desc gap to avoid the cache line where head is, + * + 1 desc for context descriptor, + * otherwise try next time + */ + if (i40e_maybe_stop_tx(tx_ring, count + 4 + 1)) { + tx_ring->tx_stats.tx_busy++; return NETDEV_TX_BUSY; + } /* prepare the xmit flags */ if (i40e_tx_prepare_vlan_flags(skb, tx_ring, &tx_flags)) @@ -1457,7 +1473,7 @@ static const struct net_device_ops i40e_fcoe_netdev_ops = { .ndo_tx_timeout = i40e_tx_timeout, .ndo_vlan_rx_add_vid = i40e_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = i40e_vlan_rx_kill_vid, - .ndo_setup_tc = i40e_setup_tc, + .ndo_setup_tc = __i40e_setup_tc, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = i40e_netpoll, |