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path: root/drivers/net/igb/igb_main.c
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Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c90
1 files changed, 6 insertions, 84 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 3806bb9d8bf..dbe03c2b49c 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -115,9 +115,6 @@ static bool igb_clean_tx_irq(struct igb_ring *);
static int igb_poll(struct napi_struct *, int);
static bool igb_clean_rx_irq_adv(struct igb_ring *, int *, int);
static void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
-#ifdef CONFIG_IGB_LRO
-static int igb_get_skb_hdr(struct sk_buff *skb, void **, void **, u64 *, void *);
-#endif
static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
static void igb_tx_timeout(struct net_device *);
static void igb_reset_task(struct work_struct *);
@@ -1189,7 +1186,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
netdev->features |= NETIF_F_TSO6;
#ifdef CONFIG_IGB_LRO
- netdev->features |= NETIF_F_LRO;
+ netdev->features |= NETIF_F_GRO;
#endif
netdev->vlan_features |= NETIF_F_TSO;
@@ -1739,14 +1736,6 @@ int igb_setup_rx_resources(struct igb_adapter *adapter,
struct pci_dev *pdev = adapter->pdev;
int size, desc_len;
-#ifdef CONFIG_IGB_LRO
- size = sizeof(struct net_lro_desc) * MAX_LRO_DESCRIPTORS;
- rx_ring->lro_mgr.lro_arr = vmalloc(size);
- if (!rx_ring->lro_mgr.lro_arr)
- goto err;
- memset(rx_ring->lro_mgr.lro_arr, 0, size);
-#endif
-
size = sizeof(struct igb_buffer) * rx_ring->count;
rx_ring->buffer_info = vmalloc(size);
if (!rx_ring->buffer_info)
@@ -1773,10 +1762,6 @@ int igb_setup_rx_resources(struct igb_adapter *adapter,
return 0;
err:
-#ifdef CONFIG_IGB_LRO
- vfree(rx_ring->lro_mgr.lro_arr);
- rx_ring->lro_mgr.lro_arr = NULL;
-#endif
vfree(rx_ring->buffer_info);
dev_err(&adapter->pdev->dev, "Unable to allocate memory for "
"the receive descriptor ring\n");
@@ -1930,16 +1915,6 @@ static void igb_configure_rx(struct igb_adapter *adapter)
rxdctl |= IGB_RX_HTHRESH << 8;
rxdctl |= IGB_RX_WTHRESH << 16;
wr32(E1000_RXDCTL(j), rxdctl);
-#ifdef CONFIG_IGB_LRO
- /* Intitial LRO Settings */
- ring->lro_mgr.max_aggr = MAX_LRO_AGGR;
- ring->lro_mgr.max_desc = MAX_LRO_DESCRIPTORS;
- ring->lro_mgr.get_skb_header = igb_get_skb_hdr;
- ring->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID;
- ring->lro_mgr.dev = adapter->netdev;
- ring->lro_mgr.ip_summed = CHECKSUM_UNNECESSARY;
- ring->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
-#endif
}
if (adapter->num_rx_queues > 1) {
@@ -2128,11 +2103,6 @@ void igb_free_rx_resources(struct igb_ring *rx_ring)
vfree(rx_ring->buffer_info);
rx_ring->buffer_info = NULL;
-#ifdef CONFIG_IGB_LRO
- vfree(rx_ring->lro_mgr.lro_arr);
- rx_ring->lro_mgr.lro_arr = NULL;
-#endif
-
pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
rx_ring->desc = NULL;
@@ -3768,39 +3738,6 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
return (count < tx_ring->count);
}
-#ifdef CONFIG_IGB_LRO
- /**
- * igb_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: pointer to the receive descriptor for the current sk_buff
- **/
-static int igb_get_skb_hdr(struct sk_buff *skb, void **iphdr, void **tcph,
- u64 *hdr_flags, void *priv)
-{
- union e1000_adv_rx_desc *rx_desc = priv;
- u16 pkt_type = rx_desc->wb.lower.lo_dword.pkt_info &
- (E1000_RXDADV_PKTTYPE_IPV4 | E1000_RXDADV_PKTTYPE_TCP);
-
- /* Verify that this is a valid IPv4 TCP packet */
- if (pkt_type != (E1000_RXDADV_PKTTYPE_IPV4 |
- E1000_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;
-
-}
-#endif /* CONFIG_IGB_LRO */
-
/**
* igb_receive_skb - helper function to handle rx indications
* @ring: pointer to receive ring receving this packet
@@ -3815,28 +3752,20 @@ static void igb_receive_skb(struct igb_ring *ring, u8 status,
struct igb_adapter * adapter = ring->adapter;
bool vlan_extracted = (adapter->vlgrp && (status & E1000_RXD_STAT_VP));
-#ifdef CONFIG_IGB_LRO
- if (adapter->netdev->features & NETIF_F_LRO &&
- skb->ip_summed == CHECKSUM_UNNECESSARY) {
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
if (vlan_extracted)
- lro_vlan_hwaccel_receive_skb(&ring->lro_mgr, skb,
- adapter->vlgrp,
- le16_to_cpu(rx_desc->wb.upper.vlan),
- rx_desc);
+ vlan_gro_receive(&ring->napi, adapter->vlgrp,
+ le16_to_cpu(rx_desc->wb.upper.vlan),
+ skb);
else
- lro_receive_skb(&ring->lro_mgr,skb, rx_desc);
- ring->lro_used = 1;
+ napi_gro_receive(&ring->napi, skb);
} else {
-#endif
if (vlan_extracted)
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
le16_to_cpu(rx_desc->wb.upper.vlan));
else
-
netif_receive_skb(skb);
-#ifdef CONFIG_IGB_LRO
}
-#endif
}
@@ -3991,13 +3920,6 @@ next_desc:
rx_ring->next_to_clean = i;
cleaned_count = IGB_DESC_UNUSED(rx_ring);
-#ifdef CONFIG_IGB_LRO
- if (rx_ring->lro_used) {
- lro_flush_all(&rx_ring->lro_mgr);
- rx_ring->lro_used = 0;
- }
-#endif
-
if (cleaned_count)
igb_alloc_rx_buffers_adv(rx_ring, cleaned_count);