static const char ixgbevf_driver_string[] =
"Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver";
-#define DRV_VERSION "2.6.0-k"
+#define DRV_VERSION "2.7.12-k"
const char ixgbevf_driver_version[] = DRV_VERSION;
static char ixgbevf_copyright[] =
"Copyright (c) 2009 - 2012 Intel Corporation.";
/* forward decls */
static void ixgbevf_set_itr(struct ixgbevf_q_vector *q_vector);
+static void ixgbevf_free_all_rx_resources(struct ixgbevf_adapter *adapter);
static inline void ixgbevf_release_rx_desc(struct ixgbe_hw *hw,
struct ixgbevf_ring *rx_ring,
if (is_vlan && test_bit(tag & VLAN_VID_MASK, adapter->active_vlans))
__vlan_hwaccel_put_tag(skb, tag);
- napi_gro_receive(&q_vector->napi, skb);
+ if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL))
+ napi_gro_receive(&q_vector->napi, skb);
+ else
+ netif_rx(skb);
}
/**
bi->dma = dma_map_single(&pdev->dev, skb->data,
rx_ring->rx_buf_len,
DMA_FROM_DEVICE);
+ if (dma_mapping_error(&pdev->dev, bi->dma)) {
+ dev_kfree_skb(skb);
+ bi->skb = NULL;
+ dev_err(&pdev->dev, "RX DMA map failed\n");
+ break;
+ }
}
rx_desc->read.pkt_addr = cpu_to_le64(bi->dma);
}
skb->protocol = eth_type_trans(skb, rx_ring->netdev);
+ /* Workaround hardware that can't do proper VEPA multicast
+ * source pruning.
+ */
+ if ((skb->pkt_type & (PACKET_BROADCAST | PACKET_MULTICAST)) &&
+ !(compare_ether_addr(adapter->netdev->dev_addr,
+ eth_hdr(skb)->h_source))) {
+ dev_kfree_skb_irq(skb);
+ goto next_desc;
+ }
+
ixgbevf_receive_skb(q_vector, skb, staterr, rx_desc);
next_desc:
else
per_ring_budget = budget;
+ adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
ixgbevf_for_each_ring(ring, q_vector->rx)
clean_complete &= ixgbevf_clean_rx_irq(q_vector, ring,
per_ring_budget);
+ adapter->flags &= ~IXGBE_FLAG_IN_NETPOLL;
/* If all work not completed, return budget and keep polling */
if (!clean_complete)
max_frame += VLAN_HLEN;
/*
- * Make best use of allocation by using all but 1K of a
- * power of 2 allocation that will be used for skb->head.
+ * Allocate buffer sizes that fit well into 32K and
+ * take into account max frame size of 9.5K
*/
if ((hw->mac.type == ixgbe_mac_X540_vf) &&
(max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE))
rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE;
- else if (max_frame <= IXGBEVF_RXBUFFER_3K)
- rx_buf_len = IXGBEVF_RXBUFFER_3K;
- else if (max_frame <= IXGBEVF_RXBUFFER_7K)
- rx_buf_len = IXGBEVF_RXBUFFER_7K;
- else if (max_frame <= IXGBEVF_RXBUFFER_15K)
- rx_buf_len = IXGBEVF_RXBUFFER_15K;
+ else if (max_frame <= IXGBEVF_RXBUFFER_2K)
+ rx_buf_len = IXGBEVF_RXBUFFER_2K;
+ else if (max_frame <= IXGBEVF_RXBUFFER_4K)
+ rx_buf_len = IXGBEVF_RXBUFFER_4K;
+ else if (max_frame <= IXGBEVF_RXBUFFER_8K)
+ rx_buf_len = IXGBEVF_RXBUFFER_8K;
else
- rx_buf_len = IXGBEVF_MAX_RXBUFFER;
+ rx_buf_len = IXGBEVF_RXBUFFER_10K;
for (i = 0; i < adapter->num_rx_queues; i++)
adapter->rx_ring[i].rx_buf_len = rx_buf_len;
if (!hw->mac.ops.set_vfta)
return -EOPNOTSUPP;
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
/* add VID to filter table */
err = hw->mac.ops.set_vfta(hw, vid, 0, true);
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
/* translate error return types so error makes sense */
if (err == IXGBE_ERR_MBX)
struct ixgbe_hw *hw = &adapter->hw;
int err = -EOPNOTSUPP;
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
/* remove VID from filter table */
if (hw->mac.ops.set_vfta)
err = hw->mac.ops.set_vfta(hw, vid, 0, false);
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
clear_bit(vid, adapter->active_vlans);
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
/* reprogram multicast list */
if (hw->mac.ops.update_mc_addr_list)
ixgbevf_write_uc_addr_list(netdev);
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
}
static void ixgbevf_napi_enable_all(struct ixgbevf_adapter *adapter)
static void ixgbevf_negotiate_api(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
- int api[] = { ixgbe_mbox_api_10,
+ int api[] = { ixgbe_mbox_api_11,
+ ixgbe_mbox_api_10,
ixgbe_mbox_api_unknown };
int err = 0, idx = 0;
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
while (api[idx] != ixgbe_mbox_api_unknown) {
err = ixgbevf_negotiate_api_version(hw, api[idx]);
idx++;
}
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
}
static void ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
ixgbevf_configure_msix(adapter);
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
if (hw->mac.ops.set_rar) {
if (is_valid_ether_addr(hw->mac.addr))
hw->mac.ops.set_rar(hw, 0, hw->mac.perm_addr, 0);
}
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
clear_bit(__IXGBEVF_DOWN, &adapter->state);
ixgbevf_napi_enable_all(adapter);
mod_timer(&adapter->watchdog_timer, jiffies);
}
+static int ixgbevf_reset_queues(struct ixgbevf_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbevf_ring *rx_ring;
+ unsigned int def_q = 0;
+ unsigned int num_tcs = 0;
+ unsigned int num_rx_queues = 1;
+ int err, i;
+
+ spin_lock_bh(&adapter->mbx_lock);
+
+ /* fetch queue configuration from the PF */
+ err = ixgbevf_get_queues(hw, &num_tcs, &def_q);
+
+ spin_unlock_bh(&adapter->mbx_lock);
+
+ if (err)
+ return err;
+
+ if (num_tcs > 1) {
+ /* update default Tx ring register index */
+ adapter->tx_ring[0].reg_idx = def_q;
+
+ /* we need as many queues as traffic classes */
+ num_rx_queues = num_tcs;
+ }
+
+ /* nothing to do if we have the correct number of queues */
+ if (adapter->num_rx_queues == num_rx_queues)
+ return 0;
+
+ /* allocate new rings */
+ rx_ring = kcalloc(num_rx_queues,
+ sizeof(struct ixgbevf_ring), GFP_KERNEL);
+ if (!rx_ring)
+ return -ENOMEM;
+
+ /* setup ring fields */
+ for (i = 0; i < num_rx_queues; i++) {
+ rx_ring[i].count = adapter->rx_ring_count;
+ rx_ring[i].queue_index = i;
+ rx_ring[i].reg_idx = i;
+ rx_ring[i].dev = &adapter->pdev->dev;
+ rx_ring[i].netdev = adapter->netdev;
+
+ /* allocate resources on the ring */
+ err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
+ if (err) {
+ while (i) {
+ i--;
+ ixgbevf_free_rx_resources(adapter, &rx_ring[i]);
+ }
+ kfree(rx_ring);
+ return err;
+ }
+ }
+
+ /* free the existing rings and queues */
+ ixgbevf_free_all_rx_resources(adapter);
+ adapter->num_rx_queues = 0;
+ kfree(adapter->rx_ring);
+
+ /* move new rings into position on the adapter struct */
+ adapter->rx_ring = rx_ring;
+ adapter->num_rx_queues = num_rx_queues;
+
+ /* reset ring to vector mapping */
+ ixgbevf_reset_q_vectors(adapter);
+ ixgbevf_map_rings_to_vectors(adapter);
+
+ return 0;
+}
+
void ixgbevf_up(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
ixgbevf_negotiate_api(adapter);
+ ixgbevf_reset_queues(adapter);
+
ixgbevf_configure(adapter);
ixgbevf_up_complete(adapter);
struct ixgbe_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
if (hw->mac.ops.reset_hw(hw))
hw_dbg(hw, "PF still resetting\n");
else
hw->mac.ops.init_hw(hw);
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
if (is_valid_ether_addr(adapter->hw.mac.addr)) {
memcpy(netdev->dev_addr, adapter->hw.mac.addr,
}
}
-static void ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
- int vectors)
+static int ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
+ int vectors)
{
- int err, vector_threshold;
+ int err = 0;
+ int vector_threshold;
/* We'll want at least 2 (vector_threshold):
* 1) TxQ[0] + RxQ[0] handler
while (vectors >= vector_threshold) {
err = pci_enable_msix(adapter->pdev, adapter->msix_entries,
vectors);
- if (!err) /* Success in acquiring all requested vectors. */
+ if (!err || err < 0) /* Success or a nasty failure. */
break;
- else if (err < 0)
- vectors = 0; /* Nasty failure, quit now */
else /* err == number of vectors we should try again with */
vectors = err;
}
- if (vectors < vector_threshold) {
- /* Can't allocate enough MSI-X interrupts? Oh well.
- * This just means we'll go with either a single MSI
- * vector or fall back to legacy interrupts.
- */
- hw_dbg(&adapter->hw,
- "Unable to allocate MSI-X interrupts\n");
+ if (vectors < vector_threshold)
+ err = -ENOMEM;
+
+ if (err) {
+ dev_err(&adapter->pdev->dev,
+ "Unable to allocate MSI-X interrupts\n");
kfree(adapter->msix_entries);
adapter->msix_entries = NULL;
} else {
*/
adapter->num_msix_vectors = vectors;
}
+ return err;
}
/**
for (i = 0; i < adapter->num_tx_queues; i++) {
adapter->tx_ring[i].count = adapter->tx_ring_count;
adapter->tx_ring[i].queue_index = i;
+ /* reg_idx may be remapped later by DCB config */
adapter->tx_ring[i].reg_idx = i;
adapter->tx_ring[i].dev = &adapter->pdev->dev;
adapter->tx_ring[i].netdev = adapter->netdev;
for (vector = 0; vector < v_budget; vector++)
adapter->msix_entries[vector].entry = vector;
- ixgbevf_acquire_msix_vectors(adapter, v_budget);
+ err = ixgbevf_acquire_msix_vectors(adapter, v_budget);
+ if (err)
+ goto out;
err = netif_set_real_num_tx_queues(netdev, adapter->num_tx_queues);
if (err)
**/
static void ixgbevf_free_q_vectors(struct ixgbevf_adapter *adapter)
{
- int q_idx, num_q_vectors;
- int napi_vectors;
-
- num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
- napi_vectors = adapter->num_rx_queues;
+ int q_idx, num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
for (q_idx = 0; q_idx < num_q_vectors; q_idx++) {
struct ixgbevf_q_vector *q_vector = adapter->q_vector[q_idx];
adapter->q_vector[q_idx] = NULL;
- if (q_idx < napi_vectors)
- netif_napi_del(&q_vector->napi);
+ netif_napi_del(&q_vector->napi);
kfree(q_vector);
}
}
hw->subsystem_device_id = pdev->subsystem_device;
hw->mbx.ops.init_params(hw);
- hw->mac.max_tx_queues = MAX_TX_QUEUES;
- hw->mac.max_rx_queues = MAX_RX_QUEUES;
+
+ /* assume legacy case in which PF would only give VF 2 queues */
+ hw->mac.max_tx_queues = 2;
+ hw->mac.max_rx_queues = 2;
+
err = hw->mac.ops.reset_hw(hw);
if (err) {
dev_info(&pdev->dev,
if (hw->mac.ops.check_link) {
s32 need_reset;
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
need_reset = hw->mac.ops.check_link(hw, &link_speed,
&link_up, false);
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
if (need_reset) {
adapter->link_up = link_up;
&adapter->rx_ring[i]);
}
+static int ixgbevf_setup_queues(struct ixgbevf_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbevf_ring *rx_ring;
+ unsigned int def_q = 0;
+ unsigned int num_tcs = 0;
+ unsigned int num_rx_queues = 1;
+ int err, i;
+
+ spin_lock_bh(&adapter->mbx_lock);
+
+ /* fetch queue configuration from the PF */
+ err = ixgbevf_get_queues(hw, &num_tcs, &def_q);
+
+ spin_unlock_bh(&adapter->mbx_lock);
+
+ if (err)
+ return err;
+
+ if (num_tcs > 1) {
+ /* update default Tx ring register index */
+ adapter->tx_ring[0].reg_idx = def_q;
+
+ /* we need as many queues as traffic classes */
+ num_rx_queues = num_tcs;
+ }
+
+ /* nothing to do if we have the correct number of queues */
+ if (adapter->num_rx_queues == num_rx_queues)
+ return 0;
+
+ /* allocate new rings */
+ rx_ring = kcalloc(num_rx_queues,
+ sizeof(struct ixgbevf_ring), GFP_KERNEL);
+ if (!rx_ring)
+ return -ENOMEM;
+
+ /* setup ring fields */
+ for (i = 0; i < num_rx_queues; i++) {
+ rx_ring[i].count = adapter->rx_ring_count;
+ rx_ring[i].queue_index = i;
+ rx_ring[i].reg_idx = i;
+ rx_ring[i].dev = &adapter->pdev->dev;
+ rx_ring[i].netdev = adapter->netdev;
+ }
+
+ /* free the existing ring and queues */
+ adapter->num_rx_queues = 0;
+ kfree(adapter->rx_ring);
+
+ /* move new rings into position on the adapter struct */
+ adapter->rx_ring = rx_ring;
+ adapter->num_rx_queues = num_rx_queues;
+
+ return 0;
+}
+
/**
* ixgbevf_open - Called when a network interface is made active
* @netdev: network interface device structure
ixgbevf_negotiate_api(adapter);
+ /* setup queue reg_idx and Rx queue count */
+ err = ixgbevf_setup_queues(adapter);
+ if (err)
+ goto err_setup_queues;
+
/* allocate transmit descriptors */
err = ixgbevf_setup_all_tx_resources(adapter);
if (err)
ixgbevf_free_all_rx_resources(adapter);
err_setup_tx:
ixgbevf_free_all_tx_resources(adapter);
+err_setup_queues:
ixgbevf_reset(adapter);
err_setup_reset:
tx_buffer_info->dma =
skb_frag_dma_map(tx_ring->dev, frag,
offset, size, DMA_TO_DEVICE);
- tx_buffer_info->mapped_as_page = true;
if (dma_mapping_error(tx_ring->dev,
tx_buffer_info->dma))
goto dma_error;
+ tx_buffer_info->mapped_as_page = true;
tx_buffer_info->next_to_watch = i;
len -= size;
#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
unsigned short f;
#endif
+ u8 *dst_mac = skb_header_pointer(skb, 0, 0, NULL);
+ if (!dst_mac || is_link_local_ether_addr(dst_mac)) {
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
tx_ring = &adapter->tx_ring[r_idx];
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
- spin_lock(&adapter->mbx_lock);
+ spin_lock_bh(&adapter->mbx_lock);
if (hw->mac.ops.set_rar)
hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0);
- spin_unlock(&adapter->mbx_lock);
+ spin_unlock_bh(&adapter->mbx_lock);
return 0;
}
int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
int max_possible_frame = MAXIMUM_ETHERNET_VLAN_SIZE;
- if (adapter->hw.mac.type == ixgbe_mac_X540_vf)
+ switch (adapter->hw.api_version) {
+ case ixgbe_mbox_api_11:
max_possible_frame = IXGBE_MAX_JUMBO_FRAME_SIZE;
+ break;
+ default:
+ if (adapter->hw.mac.type == ixgbe_mac_X540_vf)
+ max_possible_frame = IXGBE_MAX_JUMBO_FRAME_SIZE;
+ break;
+ }
/* MTU < 68 is an error and causes problems on some kernels */
if ((new_mtu < 68) || (max_frame > max_possible_frame))
projects / ~andy / linux / blobdiff