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 *);
global_quad_port_a = 0;
- ret = pci_register_driver(&igb_driver);
#ifdef CONFIG_IGB_DCA
dca_register_notify(&dca_notifier);
#endif
+
+ ret = pci_register_driver(&igb_driver);
return ret;
}
/* set flags */
switch (hw->mac.type) {
- case e1000_82576:
case e1000_82575:
- adapter->flags |= IGB_FLAG_HAS_DCA;
adapter->flags |= IGB_FLAG_NEED_CTX_IDX;
break;
+ case e1000_82576:
default:
break;
}
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;
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- netdev->features |= NETIF_F_LLTX;
adapter->en_mng_pt = igb_enable_mng_pass_thru(&adapter->hw);
/* before reading the NVM, reset the controller to put the device in a
goto err_register;
#ifdef CONFIG_IGB_DCA
- if ((adapter->flags & IGB_FLAG_HAS_DCA) &&
- (dca_add_requester(&pdev->dev) == 0)) {
+ if (dca_add_requester(&pdev->dev) == 0) {
adapter->flags |= IGB_FLAG_DCA_ENABLED;
dev_info(&pdev->dev, "DCA enabled\n");
/* Always use CB2 mode, difference is masked
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)
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");
rctl |= E1000_RCTL_SECRC;
/*
- * disable store bad packets, long packet enable, and clear size bits.
+ * disable store bad packets and clear size bits.
*/
- rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_LPE | E1000_RCTL_SZ_256);
+ rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
- if (adapter->netdev->mtu > ETH_DATA_LEN)
+ /* enable LPE when to prevent packets larger than max_frame_size */
rctl |= E1000_RCTL_LPE;
/* Setup buffer sizes */
*/
/* allocations using alloc_page take too long for regular MTU
* so only enable packet split for jumbo frames */
- if (rctl & E1000_RCTL_LPE) {
+ if (adapter->netdev->mtu > ETH_DATA_LEN) {
adapter->rx_ps_hdr_size = IGB_RXBUFFER_128;
srrctl |= adapter->rx_ps_hdr_size <<
E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
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) {
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;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
switch (skb->protocol) {
- case __constant_htons(ETH_P_IP):
+ case cpu_to_be16(ETH_P_IP):
tu_cmd |= E1000_ADVTXD_TUCMD_IPV4;
if (ip_hdr(skb)->protocol == IPPROTO_TCP)
tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
break;
- case __constant_htons(ETH_P_IPV6):
+ case cpu_to_be16(ETH_P_IPV6):
/* XXX what about other V6 headers?? */
if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
igb_write_itr(rx_ring);
- if (netif_rx_schedule_prep(&rx_ring->napi))
- __netif_rx_schedule(&rx_ring->napi);
+ if (napi_schedule_prep(&rx_ring->napi))
+ __napi_schedule(&rx_ring->napi);
#ifdef CONFIG_IGB_DCA
if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED)
struct e1000_hw *hw = &adapter->hw;
unsigned long event = *(unsigned long *)data;
- if (!(adapter->flags & IGB_FLAG_HAS_DCA))
- goto out;
-
switch (event) {
case DCA_PROVIDER_ADD:
/* if already enabled, don't do it again */
if (adapter->flags & IGB_FLAG_DCA_ENABLED)
break;
- adapter->flags |= IGB_FLAG_DCA_ENABLED;
/* Always use CB2 mode, difference is masked
* in the CB driver. */
wr32(E1000_DCA_CTRL, 2);
if (dca_add_requester(dev) == 0) {
+ adapter->flags |= IGB_FLAG_DCA_ENABLED;
dev_info(&adapter->pdev->dev, "DCA enabled\n");
igb_setup_dca(adapter);
break;
}
break;
}
-out:
+
return 0;
}
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- netif_rx_schedule(&adapter->rx_ring[0].napi);
+ napi_schedule(&adapter->rx_ring[0].napi);
return IRQ_HANDLED;
}
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- netif_rx_schedule(&adapter->rx_ring[0].napi);
+ napi_schedule(&adapter->rx_ring[0].napi);
return IRQ_HANDLED;
}
!netif_running(netdev)) {
if (adapter->itr_setting & 3)
igb_set_itr(adapter);
- netif_rx_complete(napi);
+ napi_complete(napi);
if (!test_bit(__IGB_DOWN, &adapter->state))
igb_irq_enable(adapter);
return 0;
/* If not enough Rx work done, exit the polling mode */
if ((work_done == 0) || !netif_running(netdev)) {
- netif_rx_complete(napi);
+ napi_complete(napi);
if (adapter->itr_setting & 3) {
if (adapter->num_rx_queues == 1)
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
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) {
+ skb_record_rx_queue(skb, ring->queue_index);
+ 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
}
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);
projects / linux-2.6-omap-h63xx.git / blobdiff