* sees the new next_to_clean.
*/
smp_mb();
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) &&
!test_bit(__IXGBE_DOWN, &adapter->state)) {
netif_wake_subqueue(netdev, tx_ring->queue_index);
adapter->restart_queue++;
}
-#else
- if (netif_queue_stopped(netdev) &&
- !test_bit(__IXGBE_DOWN, &adapter->state)) {
- netif_wake_queue(netdev);
- adapter->restart_queue++;
- }
-#endif
}
if (adapter->detect_tx_hung)
if (ixgbe_check_tx_hang(adapter, tx_ring, eop, eop_desc))
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_stop_subqueue(netdev, tx_ring->queue_index);
-#else
- netif_stop_queue(netdev);
-#endif
if (total_tx_packets >= tx_ring->work_limit)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, tx_ring->eims_value);
* ixgbe_receive_skb - Send a completed packet up the stack
* @adapter: board private structure
* @skb: packet to send up
- * @is_vlan: packet has a VLAN tag
- * @tag: VLAN tag from descriptor
+ * @status: hardware indication of status of receive
+ * @rx_ring: rx descriptor ring (for a specific queue) to setup
+ * @rx_desc: rx descriptor
**/
static void ixgbe_receive_skb(struct ixgbe_adapter *adapter,
- struct sk_buff *skb, bool is_vlan,
- u16 tag)
+ struct sk_buff *skb, u8 status,
+ struct ixgbe_ring *ring,
+ union ixgbe_adv_rx_desc *rx_desc)
{
- if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
- if (adapter->vlgrp && is_vlan)
- vlan_hwaccel_receive_skb(skb, adapter->vlgrp, tag);
- else
- netif_receive_skb(skb);
- } else {
+ 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 (adapter->vlgrp && is_vlan)
- vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
+ lro_vlan_hwaccel_receive_skb(&ring->lro_mgr, skb,
+ adapter->vlgrp, tag,
+ rx_desc);
else
- netif_rx(skb);
+ lro_receive_skb(&ring->lro_mgr, skb, rx_desc);
+ ring->lro_used = true;
+ } else {
+ if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
+ if (adapter->vlgrp && is_vlan)
+ vlan_hwaccel_receive_skb(skb, adapter->vlgrp, tag);
+ else
+ netif_receive_skb(skb);
+ } else {
+ if (adapter->vlgrp && is_vlan)
+ vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
+ else
+ netif_rx(skb);
+ }
}
}
struct sk_buff *skb;
unsigned int i;
u32 upper_len, len, staterr;
- u16 hdr_info, vlan_tag;
- bool is_vlan, cleaned = false;
+ u16 hdr_info;
+ bool cleaned = false;
int cleaned_count = 0;
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
rx_buffer_info = &rx_ring->rx_buffer_info[i];
- is_vlan = (staterr & IXGBE_RXD_STAT_VP);
- vlan_tag = le16_to_cpu(rx_desc->wb.upper.vlan);
while (staterr & IXGBE_RXD_STAT_DD) {
if (*work_done >= work_to_do)
total_rx_packets++;
skb->protocol = eth_type_trans(skb, netdev);
- ixgbe_receive_skb(adapter, skb, is_vlan, vlan_tag);
+ ixgbe_receive_skb(adapter, skb, staterr, rx_ring, rx_desc);
netdev->last_rx = jiffies;
next_desc:
rx_buffer_info = next_buffer;
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
- is_vlan = (staterr & IXGBE_RXD_STAT_VP);
- vlan_tag = le16_to_cpu(rx_desc->wb.upper.vlan);
+ }
+
+ if (rx_ring->lro_used) {
+ lro_flush_all(&rx_ring->lro_mgr);
+ rx_ring->lro_used = false;
}
rx_ring->next_to_clean = i;
(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
#define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2
+/**
+ * ixgbe_get_skb_hdr - helper function for LRO header processing
+ * @skb: pointer to sk_buff to be added to LRO packet
+ * @iphdr: pointer to tcp 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 (!(rx_desc->wb.lower.lo_dword.pkt_info &
+ (IXGBE_RXDADV_PKTTYPE_IPV4 | 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;
+}
+
/**
* ixgbe_configure_rx - Configure 8254x Receive Unit after Reset
* @adapter: board private structure
adapter->rx_ring[i].tail = IXGBE_RDT(i);
}
+ /* 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;
+
if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
/* Fill out redirection table */
for (i = 0, j = 0; i < 128; i++, j++) {
if (grp) {
/* enable VLAN tag insert/strip */
ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
- ctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
+ ctrl |= IXGBE_VLNCTRL_VME;
ctrl &= ~IXGBE_VLNCTRL_CFIEN;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
}
if (netdev->flags & IFF_PROMISC) {
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
- } else if (netdev->flags & IFF_ALLMULTI) {
- fctrl |= IXGBE_FCTRL_MPE;
- fctrl &= ~IXGBE_FCTRL_UPE;
+ fctrl &= ~IXGBE_VLNCTRL_VFE;
} else {
- fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ if (netdev->flags & IFF_ALLMULTI) {
+ fctrl |= IXGBE_FCTRL_MPE;
+ fctrl &= ~IXGBE_FCTRL_UPE;
+ } else {
+ fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ }
+ fctrl |= IXGBE_VLNCTRL_VFE;
}
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
netif_carrier_off(netdev);
netif_stop_queue(netdev);
- ixgbe_reset(adapter);
+ if (!pci_channel_offline(adapter->pdev))
+ ixgbe_reset(adapter);
ixgbe_clean_all_tx_rings(adapter);
ixgbe_clean_all_rx_rings(adapter);
case (IXGBE_FLAG_RSS_ENABLED):
rss_m = 0xF;
nrq = rss_i;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
ntq = rss_i;
-#else
- ntq = 1;
-#endif
break;
case 0:
default:
}
out:
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
/* Notify the stack of the (possibly) reduced Tx Queue count. */
adapter->netdev->egress_subqueue_count = adapter->num_tx_queues;
-#endif
return err;
}
struct pci_dev *pdev = adapter->pdev;
int size;
+ size = sizeof(struct net_lro_desc) * IXGBE_MAX_LRO_DESCRIPTORS;
+ rxdr->lro_mgr.lro_arr = vmalloc(size);
+ if (!rxdr->lro_mgr.lro_arr)
+ return -ENOMEM;
+ memset(rxdr->lro_mgr.lro_arr, 0, size);
+
size = sizeof(struct ixgbe_rx_buffer) * rxdr->count;
rxdr->rx_buffer_info = vmalloc(size);
if (!rxdr->rx_buffer_info) {
DPRINTK(PROBE, ERR,
"vmalloc allocation failed for the rx desc ring\n");
- return -ENOMEM;
+ goto alloc_failed;
}
memset(rxdr->rx_buffer_info, 0, size);
DPRINTK(PROBE, ERR,
"Memory allocation failed for the rx desc ring\n");
vfree(rxdr->rx_buffer_info);
- return -ENOMEM;
+ goto alloc_failed;
}
rxdr->next_to_clean = 0;
rxdr->next_to_use = 0;
return 0;
+
+alloc_failed:
+ vfree(rxdr->lro_mgr.lro_arr);
+ rxdr->lro_mgr.lro_arr = NULL;
+ return -ENOMEM;
}
/**
{
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);
struct net_device *netdev = adapter->netdev;
bool link_up;
u32 link_speed = 0;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
int i;
-#endif
adapter->hw.mac.ops.check_link(&adapter->hw, &(link_speed), &link_up);
netif_carrier_on(netdev);
netif_wake_queue(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < adapter->num_tx_queues; i++)
netif_wake_subqueue(netdev, i);
-#endif
} else {
/* Force detection of hung controller */
adapter->detect_tx_hung = true;
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_stop_subqueue(netdev, tx_ring->queue_index);
-#else
- netif_stop_queue(netdev);
-#endif
/* Herbert's original patch had:
* smp_mb__after_netif_stop_queue();
* but since that doesn't exist yet, just open code it. */
return -EBUSY;
/* A reprieve! - use start_queue because it doesn't call schedule */
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_wake_subqueue(netdev, tx_ring->queue_index);
-#else
- netif_wake_queue(netdev);
-#endif
++adapter->restart_queue;
return 0;
}
unsigned int f;
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
len -= skb->data_len;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
r_idx = (adapter->num_tx_queues - 1) & skb->queue_mapping;
-#endif
tx_ring = &adapter->tx_ring[r_idx];
pci_set_master(pdev);
pci_save_state(pdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES);
-#else
- netdev = alloc_etherdev(sizeof(struct ixgbe_adapter));
-#endif
if (!netdev) {
err = -ENOMEM;
goto err_alloc_etherdev;
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER;
+ netdev->features |= NETIF_F_LRO;
netdev->features |= NETIF_F_TSO;
-
netdev->features |= NETIF_F_TSO6;
+
+ netdev->vlan_features |= NETIF_F_TSO;
+ netdev->vlan_features |= NETIF_F_TSO6;
+ netdev->vlan_features |= NETIF_F_HW_CSUM;
+ netdev->vlan_features |= NETIF_F_SG;
+
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netdev->features |= NETIF_F_MULTI_QUEUE;
-#endif
/* make sure the EEPROM is good */
if (ixgbe_validate_eeprom_checksum(hw, NULL) < 0) {
netif_carrier_off(netdev);
netif_stop_queue(netdev);
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
for (i = 0; i < adapter->num_tx_queues; i++)
netif_stop_subqueue(netdev, i);
-#endif
ixgbe_napi_add_all(adapter);
projects / linux-2.6-omap-h63xx.git / blobdiff