diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 81 |
1 files changed, 13 insertions, 68 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 7489094bbbc..f7b592eff68 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -403,23 +403,20 @@ static int __ixgbe_notify_dca(struct device *dev, void *data) * @rx_ring: rx descriptor ring (for a specific queue) to setup * @rx_desc: rx descriptor **/ -static void ixgbe_receive_skb(struct ixgbe_adapter *adapter, +static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector, struct sk_buff *skb, u8 status, - struct ixgbe_ring *ring, union ixgbe_adv_rx_desc *rx_desc) { + struct ixgbe_adapter *adapter = q_vector->adapter; + struct napi_struct *napi = &q_vector->napi; bool is_vlan = (status & IXGBE_RXD_STAT_VP); u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan); - if (adapter->netdev->features & NETIF_F_LRO && - skb->ip_summed == CHECKSUM_UNNECESSARY) { + if (skb->ip_summed == CHECKSUM_UNNECESSARY) { if (adapter->vlgrp && is_vlan && (tag != 0)) - lro_vlan_hwaccel_receive_skb(&ring->lro_mgr, skb, - adapter->vlgrp, tag, - rx_desc); + vlan_gro_receive(napi, adapter->vlgrp, tag, skb); else - lro_receive_skb(&ring->lro_mgr, skb, rx_desc); - ring->lro_used = true; + napi_gro_receive(napi, skb); } else { if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) { if (adapter->vlgrp && is_vlan && (tag != 0)) @@ -574,10 +571,11 @@ static inline u16 ixgbe_get_pkt_info(union ixgbe_adv_rx_desc *rx_desc) return rx_desc->wb.lower.lo_dword.hs_rss.pkt_info; } -static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter, +static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, struct ixgbe_ring *rx_ring, int *work_done, int work_to_do) { + struct ixgbe_adapter *adapter = q_vector->adapter; struct pci_dev *pdev = adapter->pdev; union ixgbe_adv_rx_desc *rx_desc, *next_rxd; struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer; @@ -678,7 +676,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter, total_rx_packets++; skb->protocol = eth_type_trans(skb, adapter->netdev); - ixgbe_receive_skb(adapter, skb, staterr, rx_ring, rx_desc); + ixgbe_receive_skb(q_vector, skb, staterr, rx_desc); next_desc: rx_desc->wb.upper.status_error = 0; @@ -696,11 +694,6 @@ next_desc: staterr = le32_to_cpu(rx_desc->wb.upper.status_error); } - if (rx_ring->lro_used) { - lro_flush_all(&rx_ring->lro_mgr); - rx_ring->lro_used = false; - } - rx_ring->next_to_clean = i; cleaned_count = IXGBE_DESC_UNUSED(rx_ring); @@ -1052,7 +1045,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget) ixgbe_update_rx_dca(adapter, rx_ring); #endif - ixgbe_clean_rx_irq(adapter, rx_ring, &work_done, budget); + ixgbe_clean_rx_irq(q_vector, rx_ring, &work_done, budget); /* If all Rx work done, exit the polling mode */ if (work_done < budget) { @@ -1095,7 +1088,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget) if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_rx_dca(adapter, rx_ring); #endif - ixgbe_clean_rx_irq(adapter, rx_ring, &work_done, budget); + ixgbe_clean_rx_irq(q_vector, rx_ring, &work_done, budget); enable_mask |= rx_ring->v_idx; r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, r_idx + 1); @@ -1568,33 +1561,6 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index) IXGBE_WRITE_REG(&adapter->hw, IXGBE_SRRCTL(index), srrctl); } -/** - * ixgbe_get_skb_hdr - helper function for LRO header processing - * @skb: pointer to sk_buff to be added to LRO packet - * @iphdr: pointer to ip header structure - * @tcph: pointer to tcp header structure - * @hdr_flags: pointer to header flags - * @priv: private data - **/ -static int ixgbe_get_skb_hdr(struct sk_buff *skb, void **iphdr, void **tcph, - u64 *hdr_flags, void *priv) -{ - union ixgbe_adv_rx_desc *rx_desc = priv; - - /* Verify that this is a valid IPv4 TCP packet */ - if (!((ixgbe_get_pkt_info(rx_desc) & IXGBE_RXDADV_PKTTYPE_IPV4) && - (ixgbe_get_pkt_info(rx_desc) & IXGBE_RXDADV_PKTTYPE_TCP))) - return -1; - - /* Set network headers */ - skb_reset_network_header(skb); - skb_set_transport_header(skb, ip_hdrlen(skb)); - *iphdr = ip_hdr(skb); - *tcph = tcp_hdr(skb); - *hdr_flags = LRO_IPV4 | LRO_TCP; - return 0; -} - #define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \ (((S) & (PAGE_SIZE - 1)) ? 1 : 0)) @@ -1666,16 +1632,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) adapter->rx_ring[i].head = IXGBE_RDH(j); adapter->rx_ring[i].tail = IXGBE_RDT(j); adapter->rx_ring[i].rx_buf_len = rx_buf_len; - /* Intitial LRO Settings */ - adapter->rx_ring[i].lro_mgr.max_aggr = IXGBE_MAX_LRO_AGGREGATE; - adapter->rx_ring[i].lro_mgr.max_desc = IXGBE_MAX_LRO_DESCRIPTORS; - adapter->rx_ring[i].lro_mgr.get_skb_header = ixgbe_get_skb_hdr; - adapter->rx_ring[i].lro_mgr.features = LRO_F_EXTRACT_VLAN_ID; - if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) - adapter->rx_ring[i].lro_mgr.features |= LRO_F_NAPI; - adapter->rx_ring[i].lro_mgr.dev = adapter->netdev; - adapter->rx_ring[i].lro_mgr.ip_summed = CHECKSUM_UNNECESSARY; - adapter->rx_ring[i].lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY; ixgbe_configure_srrctl(adapter, j); } @@ -2310,7 +2266,7 @@ static int ixgbe_poll(struct napi_struct *napi, int budget) #endif tx_cleaned = ixgbe_clean_tx_irq(adapter, adapter->tx_ring); - ixgbe_clean_rx_irq(adapter, adapter->rx_ring, &work_done, budget); + ixgbe_clean_rx_irq(q_vector, adapter->rx_ring, &work_done, budget); if (tx_cleaned) work_done = budget; @@ -2926,12 +2882,6 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, struct pci_dev *pdev = adapter->pdev; int size; - size = sizeof(struct net_lro_desc) * IXGBE_MAX_LRO_DESCRIPTORS; - rx_ring->lro_mgr.lro_arr = vmalloc(size); - if (!rx_ring->lro_mgr.lro_arr) - return -ENOMEM; - memset(rx_ring->lro_mgr.lro_arr, 0, size); - size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; rx_ring->rx_buffer_info = vmalloc(size); if (!rx_ring->rx_buffer_info) { @@ -2960,8 +2910,6 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, return 0; alloc_failed: - vfree(rx_ring->lro_mgr.lro_arr); - rx_ring->lro_mgr.lro_arr = NULL; return -ENOMEM; } @@ -3039,9 +2987,6 @@ void ixgbe_free_rx_resources(struct ixgbe_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; - vfree(rx_ring->lro_mgr.lro_arr); - rx_ring->lro_mgr.lro_arr = NULL; - ixgbe_clean_rx_ring(adapter, rx_ring); vfree(rx_ring->rx_buffer_info); @@ -4141,7 +4086,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, netdev->features |= NETIF_F_IPV6_CSUM; netdev->features |= NETIF_F_TSO; netdev->features |= NETIF_F_TSO6; - netdev->features |= NETIF_F_LRO; + netdev->features |= NETIF_F_GRO; netdev->vlan_features |= NETIF_F_TSO; netdev->vlan_features |= NETIF_F_TSO6; |