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-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c42
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e.h4
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c89
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c49
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c91
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h4
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c49
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c29
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_defines.h70
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_regs.h9
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ptp.c4
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c6
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_common.h1
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c9
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf.h5
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c18
16 files changed, 408 insertions, 71 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index eafad410e59a..6bd1832e3f3e 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1090,8 +1090,14 @@ static void e1000_print_hw_hang(struct work_struct *work)
adapter->tx_hang_recheck = true;
return;
}
- /* Real hang detected */
adapter->tx_hang_recheck = false;
+
+ if (er32(TDH(0)) == er32(TDT(0))) {
+ e_dbg("false hang detected, ignoring\n");
+ return;
+ }
+
+ /* Real hang detected */
netif_stop_queue(netdev);
e1e_rphy(hw, MII_BMSR, &phy_status);
@@ -1121,6 +1127,8 @@ static void e1000_print_hw_hang(struct work_struct *work)
eop, jiffies, eop_desc->upper.fields.status, er32(STATUS),
phy_status, phy_1000t_status, phy_ext_status, pci_status);
+ e1000e_dump(adapter);
+
/* Suggest workaround for known h/w issue */
if ((hw->mac.type == e1000_pchlan) && (er32(CTRL) & E1000_CTRL_TFCE))
e_err("Try turning off Tx pause (flow control) via ethtool\n");
@@ -2890,7 +2898,7 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
struct e1000_ring *tx_ring = adapter->tx_ring;
u64 tdba;
- u32 tdlen, tarc;
+ u32 tdlen, tctl, tarc;
/* Setup the HW Tx Head and Tail descriptor pointers */
tdba = tx_ring->dma;
@@ -2927,6 +2935,12 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
/* erratum work around: set txdctl the same for both queues */
ew32(TXDCTL(1), er32(TXDCTL(0)));
+ /* Program the Transmit Control Register */
+ tctl = er32(TCTL);
+ tctl &= ~E1000_TCTL_CT;
+ tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
+ (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
+
if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
tarc = er32(TARC(0));
/* set the speed mode bit, we'll clear it if we're not at
@@ -2957,6 +2971,8 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
/* enable Report Status bit */
adapter->txd_cmd |= E1000_TXD_CMD_RS;
+ ew32(TCTL, tctl);
+
hw->mac.ops.config_collision_dist(hw);
}
@@ -4798,6 +4814,7 @@ static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
if (adapter->phy_hang_count > 1) {
adapter->phy_hang_count = 0;
+ e_dbg("PHY appears hung - resetting\n");
schedule_work(&adapter->reset_task);
}
}
@@ -4956,15 +4973,11 @@ static void e1000_watchdog_task(struct work_struct *work)
mod_timer(&adapter->phy_info_timer,
round_jiffies(jiffies + 2 * HZ));
- /* The link is lost so the controller stops DMA.
- * If there is queued Tx work that cannot be done
- * or if on an 8000ES2LAN which requires a Rx packet
- * buffer work-around on link down event, reset the
- * controller to flush the Tx/Rx packet buffers.
- * (Do the reset outside of interrupt context).
+ /* 8000ES2LAN requires a Rx packet buffer work-around
+ * on link down event; reset the controller to flush
+ * the Rx packet buffer.
*/
- if ((adapter->flags & FLAG_RX_NEEDS_RESTART) ||
- (e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
+ if (adapter->flags & FLAG_RX_NEEDS_RESTART)
adapter->flags |= FLAG_RESTART_NOW;
else
pm_schedule_suspend(netdev->dev.parent,
@@ -4987,6 +5000,15 @@ link_up:
adapter->gotc_old = adapter->stats.gotc;
spin_unlock(&adapter->stats64_lock);
+ /* If the link is lost the controller stops DMA, but
+ * if there is queued Tx work it cannot be done. So
+ * reset the controller to flush the Tx packet buffers.
+ */
+ if (!netif_carrier_ok(netdev) &&
+ (e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
+ adapter->flags |= FLAG_RESTART_NOW;
+
+ /* If reset is necessary, do it outside of interrupt context. */
if (adapter->flags & FLAG_RESTART_NOW) {
schedule_work(&adapter->reset_task);
/* return immediately since reset is imminent */
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index bd1b4690a608..33cd8b67535d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -208,7 +208,7 @@ struct i40e_pf {
bool fc_autoneg_status;
u16 eeprom_version;
- u16 num_vmdq_vsis; /* num vmdq pools this pf has set up */
+ u16 num_vmdq_vsis; /* num vmdq vsis this pf has set up */
u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
u16 num_req_vfs; /* num vfs requested for this vf */
@@ -558,6 +558,7 @@ int i40e_add_del_fdir(struct i40e_vsi *vsi,
struct i40e_fdir_filter *input, bool add);
void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
int i40e_get_current_fd_count(struct i40e_pf *pf);
+bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
void i40e_set_ethtool_ops(struct net_device *netdev);
struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
u8 *macaddr, s16 vlan,
@@ -596,6 +597,7 @@ void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
+int i40e_vsi_open(struct i40e_vsi *vsi);
void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 3daaf205eabc..113354214517 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -38,7 +38,7 @@ static const char i40e_driver_string[] =
#define DRV_VERSION_MAJOR 0
#define DRV_VERSION_MINOR 3
-#define DRV_VERSION_BUILD 34
+#define DRV_VERSION_BUILD 36
#define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \
__stringify(DRV_VERSION_MINOR) "." \
__stringify(DRV_VERSION_BUILD) DRV_KERN
@@ -2181,6 +2181,11 @@ static int i40e_configure_tx_ring(struct i40e_ring *ring)
tx_ctx.fd_ena = !!(vsi->back->flags & (I40E_FLAG_FD_SB_ENABLED |
I40E_FLAG_FD_ATR_ENABLED));
tx_ctx.timesync_ena = !!(vsi->back->flags & I40E_FLAG_PTP);
+ /* FDIR VSI tx ring can still use RS bit and writebacks */
+ if (vsi->type != I40E_VSI_FDIR)
+ tx_ctx.head_wb_ena = 1;
+ tx_ctx.head_wb_addr = ring->dma +
+ (ring->count * sizeof(struct i40e_tx_desc));
/* As part of VSI creation/update, FW allocates certain
* Tx arbitration queue sets for each TC enabled for
@@ -4235,7 +4240,6 @@ static int i40e_open(struct net_device *netdev)
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi;
struct i40e_pf *pf = vsi->back;
- char int_name[IFNAMSIZ];
int err;
/* disallow open during test */
@@ -4244,6 +4248,31 @@ static int i40e_open(struct net_device *netdev)
netif_carrier_off(netdev);
+ err = i40e_vsi_open(vsi);
+ if (err)
+ return err;
+
+#ifdef CONFIG_I40E_VXLAN
+ vxlan_get_rx_port(netdev);
+#endif
+
+ return 0;
+}
+
+/**
+ * i40e_vsi_open -
+ * @vsi: the VSI to open
+ *
+ * Finish initialization of the VSI.
+ *
+ * Returns 0 on success, negative value on failure
+ **/
+int i40e_vsi_open(struct i40e_vsi *vsi)
+{
+ struct i40e_pf *pf = vsi->back;
+ char int_name[IFNAMSIZ];
+ int err;
+
/* allocate descriptors */
err = i40e_vsi_setup_tx_resources(vsi);
if (err)
@@ -4256,18 +4285,22 @@ static int i40e_open(struct net_device *netdev)
if (err)
goto err_setup_rx;
+ if (!vsi->netdev) {
+ err = EINVAL;
+ goto err_setup_rx;
+ }
snprintf(int_name, sizeof(int_name) - 1, "%s-%s",
- dev_driver_string(&pf->pdev->dev), netdev->name);
+ dev_driver_string(&pf->pdev->dev), vsi->netdev->name);
err = i40e_vsi_request_irq(vsi, int_name);
if (err)
goto err_setup_rx;
/* Notify the stack of the actual queue counts. */
- err = netif_set_real_num_tx_queues(netdev, vsi->num_queue_pairs);
+ err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_queue_pairs);
if (err)
goto err_set_queues;
- err = netif_set_real_num_rx_queues(netdev, vsi->num_queue_pairs);
+ err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_queue_pairs);
if (err)
goto err_set_queues;
@@ -4275,10 +4308,6 @@ static int i40e_open(struct net_device *netdev)
if (err)
goto err_up_complete;
-#ifdef CONFIG_I40E_VXLAN
- vxlan_get_rx_port(netdev);
-#endif
-
return 0;
err_up_complete:
@@ -6409,6 +6438,39 @@ sw_init_done:
}
/**
+ * i40e_set_ntuple - set the ntuple feature flag and take action
+ * @pf: board private structure to initialize
+ * @features: the feature set that the stack is suggesting
+ *
+ * returns a bool to indicate if reset needs to happen
+ **/
+bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features)
+{
+ bool need_reset = false;
+
+ /* Check if Flow Director n-tuple support was enabled or disabled. If
+ * the state changed, we need to reset.
+ */
+ if (features & NETIF_F_NTUPLE) {
+ /* Enable filters and mark for reset */
+ if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
+ need_reset = true;
+ pf->flags |= I40E_FLAG_FD_SB_ENABLED;
+ } else {
+ /* turn off filters, mark for reset and clear SW filter list */
+ if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {
+ need_reset = true;
+ i40e_fdir_filter_exit(pf);
+ }
+ pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
+ /* if ATR was disabled it can be re-enabled. */
+ if (!(pf->flags & I40E_FLAG_FD_ATR_ENABLED))
+ pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
+ }
+ return need_reset;
+}
+
+/**
* i40e_set_features - set the netdev feature flags
* @netdev: ptr to the netdev being adjusted
* @features: the feature set that the stack is suggesting
@@ -6418,12 +6480,19 @@ static int i40e_set_features(struct net_device *netdev,
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ bool need_reset;
if (features & NETIF_F_HW_VLAN_CTAG_RX)
i40e_vlan_stripping_enable(vsi);
else
i40e_vlan_stripping_disable(vsi);
+ need_reset = i40e_set_ntuple(pf, features);
+
+ if (need_reset)
+ i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
+
return 0;
}
@@ -6547,6 +6616,7 @@ static const struct net_device_ops i40e_netdev_ops = {
.ndo_set_vf_vlan = i40e_ndo_set_vf_port_vlan,
.ndo_set_vf_tx_rate = i40e_ndo_set_vf_bw,
.ndo_get_vf_config = i40e_ndo_get_vf_config,
+ .ndo_set_vf_link_state = i40e_ndo_set_vf_link_state,
#ifdef CONFIG_I40E_VXLAN
.ndo_add_vxlan_port = i40e_add_vxlan_port,
.ndo_del_vxlan_port = i40e_del_vxlan_port,
@@ -6594,6 +6664,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
NETIF_F_TSO |
NETIF_F_TSO6 |
NETIF_F_RXCSUM |
+ NETIF_F_NTUPLE |
NETIF_F_RXHASH |
0;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 88666adb0743..851f6537a96a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -619,6 +619,20 @@ static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
}
/**
+ * i40e_get_head - Retrieve head from head writeback
+ * @tx_ring: tx ring to fetch head of
+ *
+ * Returns value of Tx ring head based on value stored
+ * in head write-back location
+ **/
+static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
+{
+ void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count;
+
+ return le32_to_cpu(*(volatile __le32 *)head);
+}
+
+/**
* i40e_clean_tx_irq - Reclaim resources after transmit completes
* @tx_ring: tx ring to clean
* @budget: how many cleans we're allowed
@@ -629,6 +643,7 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
{
u16 i = tx_ring->next_to_clean;
struct i40e_tx_buffer *tx_buf;
+ struct i40e_tx_desc *tx_head;
struct i40e_tx_desc *tx_desc;
unsigned int total_packets = 0;
unsigned int total_bytes = 0;
@@ -637,6 +652,8 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
tx_desc = I40E_TX_DESC(tx_ring, i);
i -= tx_ring->count;
+ tx_head = I40E_TX_DESC(tx_ring, i40e_get_head(tx_ring));
+
do {
struct i40e_tx_desc *eop_desc = tx_buf->next_to_watch;
@@ -647,9 +664,8 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
/* prevent any other reads prior to eop_desc */
read_barrier_depends();
- /* if the descriptor isn't done, no work yet to do */
- if (!(eop_desc->cmd_type_offset_bsz &
- cpu_to_le64(I40E_TX_DESC_DTYPE_DESC_DONE)))
+ /* we have caught up to head, no work left to do */
+ if (tx_head == tx_desc)
break;
/* clear next_to_watch to prevent false hangs */
@@ -905,6 +921,10 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc);
+ /* add u32 for head writeback, align after this takes care of
+ * guaranteeing this is at least one cache line in size
+ */
+ tx_ring->size += sizeof(u32);
tx_ring->size = ALIGN(tx_ring->size, 4096);
tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size,
&tx_ring->dma, GFP_KERNEL);
@@ -1931,7 +1951,8 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring,
struct i40e_tx_context_desc *context_desc;
int i = tx_ring->next_to_use;
- if (!cd_type_cmd_tso_mss && !cd_tunneling && !cd_l2tag2)
+ if ((cd_type_cmd_tso_mss == I40E_TX_DESC_DTYPE_CONTEXT) &&
+ !cd_tunneling && !cd_l2tag2)
return;
/* grab the next descriptor */
@@ -2042,9 +2063,23 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
tx_bi = &tx_ring->tx_bi[i];
}
- tx_desc->cmd_type_offset_bsz =
- build_ctob(td_cmd, td_offset, size, td_tag) |
- cpu_to_le64((u64)I40E_TXD_CMD << I40E_TXD_QW1_CMD_SHIFT);
+ /* Place RS bit on last descriptor of any packet that spans across the
+ * 4th descriptor (WB_STRIDE aka 0x3) in a 64B cacheline.
+ */
+#define WB_STRIDE 0x3
+ if (((i & WB_STRIDE) != WB_STRIDE) &&
+ (first <= &tx_ring->tx_bi[i]) &&
+ (first >= &tx_ring->tx_bi[i & ~WB_STRIDE])) {
+ tx_desc->cmd_type_offset_bsz =
+ build_ctob(td_cmd, td_offset, size, td_tag) |
+ cpu_to_le64((u64)I40E_TX_DESC_CMD_EOP <<
+ I40E_TXD_QW1_CMD_SHIFT);
+ } else {
+ tx_desc->cmd_type_offset_bsz =
+ build_ctob(td_cmd, td_offset, size, td_tag) |
+ cpu_to_le64((u64)I40E_TXD_CMD <<
+ I40E_TXD_QW1_CMD_SHIFT);
+ }
netdev_tx_sent_queue(netdev_get_tx_queue(tx_ring->netdev,
tx_ring->queue_index),
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 7839343b967b..02c11a7f7d29 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -230,6 +230,9 @@ static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx,
tx_ctx.qlen = info->ring_len;
tx_ctx.rdylist = le16_to_cpu(pf->vsi[vsi_idx]->info.qs_handle[0]);
tx_ctx.rdylist_act = 0;
+ tx_ctx.head_wb_ena = 1;
+ tx_ctx.head_wb_addr = info->dma_ring_addr +
+ (info->ring_len * sizeof(struct i40e_tx_desc));
/* clear the context in the HMC */
ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
@@ -1771,7 +1774,7 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
u32 v_retval, u8 *msg, u16 msglen)
{
struct i40e_hw *hw = &pf->hw;
- int local_vf_id = vf_id - hw->func_caps.vf_base_id;
+ unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
struct i40e_vf *vf;
int ret;
@@ -1920,15 +1923,28 @@ static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
void i40e_vc_notify_link_state(struct i40e_pf *pf)
{
struct i40e_virtchnl_pf_event pfe;
+ struct i40e_hw *hw = &pf->hw;
+ struct i40e_vf *vf = pf->vf;
+ struct i40e_link_status *ls = &pf->hw.phy.link_info;
+ int i;
pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
- pfe.event_data.link_event.link_status =
- pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
- pfe.event_data.link_event.link_speed = pf->hw.phy.link_info.link_speed;
-
- i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
- (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
+ for (i = 0; i < pf->num_alloc_vfs; i++) {
+ if (vf->link_forced) {
+ pfe.event_data.link_event.link_status = vf->link_up;
+ pfe.event_data.link_event.link_speed =
+ (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
+ } else {
+ pfe.event_data.link_event.link_status =
+ ls->link_info & I40E_AQ_LINK_UP;
+ pfe.event_data.link_event.link_speed = ls->link_speed;
+ }
+ i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
+ 0, (u8 *)&pfe, sizeof(pfe),
+ NULL);
+ vf++;
+ }
}
/**
@@ -2193,3 +2209,64 @@ int i40e_ndo_get_vf_config(struct net_device *netdev,
error_param:
return ret;
}
+
+/**
+ * i40e_ndo_set_vf_link_state
+ * @netdev: network interface device structure
+ * @vf_id: vf identifier
+ * @link: required link state
+ *
+ * Set the link state of a specified VF, regardless of physical link state
+ **/
+int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_virtchnl_pf_event pfe;
+ struct i40e_hw *hw = &pf->hw;
+ struct i40e_vf *vf;
+ int ret = 0;
+
+ /* validate the request */
+ if (vf_id >= pf->num_alloc_vfs) {
+ dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
+ ret = -EINVAL;
+ goto error_out;
+ }
+
+ vf = &pf->vf[vf_id];
+
+ pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
+ pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
+
+ switch (link) {
+ case IFLA_VF_LINK_STATE_AUTO:
+ vf->link_forced = false;
+ pfe.event_data.link_event.link_status =
+ pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
+ pfe.event_data.link_event.link_speed =
+ pf->hw.phy.link_info.link_speed;
+ break;
+ case IFLA_VF_LINK_STATE_ENABLE:
+ vf->link_forced = true;
+ vf->link_up = true;
+ pfe.event_data.link_event.link_status = true;
+ pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
+ break;
+ case IFLA_VF_LINK_STATE_DISABLE:
+ vf->link_forced = true;
+ vf->link_up = false;
+ pfe.event_data.link_event.link_status = false;
+ pfe.event_data.link_event.link_speed = 0;
+ break;
+ default:
+ ret = -EINVAL;
+ goto error_out;
+ }
+ /* Notify the VF of its new link state */
+ i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
+ 0, (u8 *)&pfe, sizeof(pfe), NULL);
+
+error_out:
+ return ret;
+}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
index bedf0ba21d74..389c47f396d5 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
@@ -98,6 +98,8 @@ struct i40e_vf {
unsigned long vf_caps; /* vf's adv. capabilities */
unsigned long vf_states; /* vf's runtime states */
+ bool link_forced;
+ bool link_up; /* only valid if vf link is forced */
};
void i40e_free_vfs(struct i40e_pf *pf);
@@ -116,6 +118,8 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate);
int i40e_ndo_get_vf_config(struct net_device *netdev,
int vf_id, struct ifla_vf_info *ivi);
+int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
+
void i40e_vc_notify_link_state(struct i40e_pf *pf);
void i40e_vc_notify_reset(struct i40e_pf *pf);
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index b1d87c6a5c35..53be5f44d015 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -170,6 +170,20 @@ static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
}
/**
+ * i40e_get_head - Retrieve head from head writeback
+ * @tx_ring: tx ring to fetch head of
+ *
+ * Returns value of Tx ring head based on value stored
+ * in head write-back location
+ **/
+static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
+{
+ void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count;
+
+ return le32_to_cpu(*(volatile __le32 *)head);
+}
+
+/**
* i40e_clean_tx_irq - Reclaim resources after transmit completes
* @tx_ring: tx ring to clean
* @budget: how many cleans we're allowed
@@ -180,6 +194,7 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
{
u16 i = tx_ring->next_to_clean;
struct i40e_tx_buffer *tx_buf;
+ struct i40e_tx_desc *tx_head;
struct i40e_tx_desc *tx_desc;
unsigned int total_packets = 0;
unsigned int total_bytes = 0;
@@ -188,6 +203,8 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
tx_desc = I40E_TX_DESC(tx_ring, i);
i -= tx_ring->count;
+ tx_head = I40E_TX_DESC(tx_ring, i40e_get_head(tx_ring));
+
do {
struct i40e_tx_desc *eop_desc = tx_buf->next_to_watch;
@@ -198,9 +215,8 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
/* prevent any other reads prior to eop_desc */
read_barrier_depends();
- /* if the descriptor isn't done, no work yet to do */
- if (!(eop_desc->cmd_type_offset_bsz &
- cpu_to_le64(I40E_TX_DESC_DTYPE_DESC_DONE)))
+ /* we have caught up to head, no work left to do */
+ if (tx_head == tx_desc)
break;
/* clear next_to_watch to prevent false hangs */
@@ -432,6 +448,10 @@ int i40evf_setup_tx_descriptors(struct i40e_ring *tx_ring)
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc);
+ /* add u32 for head writeback, align after this takes care of
+ * guaranteeing this is at least one cache line in size
+ */
+ tx_ring->size += sizeof(u32);
tx_ring->size = ALIGN(tx_ring->size, 4096);
tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size,
&tx_ring->dma, GFP_KERNEL);
@@ -1266,7 +1286,8 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring,
struct i40e_tx_context_desc *context_desc;
int i = tx_ring->next_to_use;
- if (!cd_type_cmd_tso_mss && !cd_tunneling && !cd_l2tag2)
+ if ((cd_type_cmd_tso_mss == I40E_TX_DESC_DTYPE_CONTEXT) &&
+ !cd_tunneling && !cd_l2tag2)
return;
/* grab the next descriptor */
@@ -1377,9 +1398,23 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
tx_bi = &tx_ring->tx_bi[i];
}
- tx_desc->cmd_type_offset_bsz =
- build_ctob(td_cmd, td_offset, size, td_tag) |
- cpu_to_le64((u64)I40E_TXD_CMD << I40E_TXD_QW1_CMD_SHIFT);
+ /* Place RS bit on last descriptor of any packet that spans across the
+ * 4th descriptor (WB_STRIDE aka 0x3) in a 64B cacheline.
+ */
+#define WB_STRIDE 0x3
+ if (((i & WB_STRIDE) != WB_STRIDE) &&
+ (first <= &tx_ring->tx_bi[i]) &&
+ (first >= &tx_ring->tx_bi[i & ~WB_STRIDE])) {
+ tx_desc->cmd_type_offset_bsz =
+ build_ctob(td_cmd, td_offset, size, td_tag) |
+ cpu_to_le64((u64)I40E_TX_DESC_CMD_EOP <<
+ I40E_TXD_QW1_CMD_SHIFT);
+ } else {
+ tx_desc->cmd_type_offset_bsz =
+ build_ctob(td_cmd, td_offset, size, td_tag) |
+ cpu_to_le64((u64)I40E_TXD_CMD <<
+ I40E_TXD_QW1_CMD_SHIFT);
+ }
netdev_tx_sent_queue(netdev_get_tx_queue(tx_ring->netdev,
tx_ring->queue_index),
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index d62e27f6e83a..d381bcc4ea9f 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -31,7 +31,7 @@ char i40evf_driver_name[] = "i40evf";
static const char i40evf_driver_string[] =
"Intel(R) XL710 X710 Virtual Function Network Driver";
-#define DRV_VERSION "0.9.14"
+#define DRV_VERSION "0.9.16"
const char i40evf_driver_version[] = DRV_VERSION;
static const char i40evf_copyright[] =
"Copyright (c) 2013 - 2014 Intel Corporation.";
@@ -1140,8 +1140,8 @@ static int i40evf_set_interrupt_capability(struct i40evf_adapter *adapter)
* than CPU's. So let's be conservative and only ask for
* (roughly) twice the number of vectors as there are CPU's.
*/
- v_budget = min(pairs, (int)(num_online_cpus() * 2)) + NONQ_VECS;
- v_budget = min(v_budget, (int)adapter->vf_res->max_vectors);
+ v_budget = min_t(int, pairs, (int)(num_online_cpus() * 2)) + NONQ_VECS;
+ v_budget = min_t(int, v_budget, (int)adapter->vf_res->max_vectors);
/* A failure in MSI-X entry allocation isn't fatal, but it does
* mean we disable MSI-X capabilities of the adapter.
@@ -1414,6 +1414,13 @@ restart_watchdog:
schedule_work(&adapter->adminq_task);
}
+static int next_queue(struct i40evf_adapter *adapter, int j)
+{
+ j += 1;
+
+ return j >= adapter->vsi_res->num_queue_pairs ? 0 : j;
+}
+
/**
* i40evf_configure_rss - Prepare for RSS if used
* @adapter: board private structure
@@ -1444,15 +1451,13 @@ static void i40evf_configure_rss(struct i40evf_adapter *adapter)
wr32(hw, I40E_VFQF_HENA(1), (u32)(hena >> 32));
/* Populate the LUT with max no. of queues in round robin fashion */
- for (i = 0, j = 0; i < I40E_VFQF_HLUT_MAX_INDEX; i++, j++) {
- if (j == adapter->vsi_res->num_queue_pairs)
- j = 0;
- /* lut = 4-byte sliding window of 4 lut entries */
- lut = (lut << 8) | (j &
- ((0x1 << 8) - 1));
- /* On i = 3, we have 4 entries in lut; write to the register */
- if ((i & 3) == 3)
- wr32(hw, I40E_VFQF_HLUT(i >> 2), lut);
+ j = adapter->vsi_res->num_queue_pairs;
+ for (i = 0; i <= I40E_VFQF_HLUT_MAX_INDEX; i++) {
+ lut = next_queue(adapter, j);
+ lut |= next_queue(adapter, j) << 8;
+ lut |= next_queue(adapter, j) << 16;
+ lut |= next_queue(adapter, j) << 24;
+ wr32(hw, I40E_VFQF_HLUT(i), lut);
}
i40e_flush(hw);
}
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h
index 393c896ac7e7..b05bf925ac72 100644
--- a/drivers/net/ethernet/intel/igb/e1000_defines.h
+++ b/drivers/net/ethernet/intel/igb/e1000_defines.h
@@ -43,7 +43,11 @@
#define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
/* Extended Device Control */
+#define E1000_CTRL_EXT_SDP2_DATA 0x00000040 /* Value of SW Defineable Pin 2 */
#define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Defineable Pin 3 */
+#define E1000_CTRL_EXT_SDP2_DIR 0x00000400 /* SDP2 Data direction */
+#define E1000_CTRL_EXT_SDP3_DIR 0x00000800 /* SDP3 Data direction */
+
/* Physical Func Reset Done Indication */
#define E1000_CTRL_EXT_PFRSTD 0x00004000
#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
@@ -190,7 +194,8 @@
/* enable link status from external LINK_0 and LINK_1 pins */
#define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
-#define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
+#define E1000_CTRL_SDP0_DIR 0x00400000 /* SDP0 Data direction */
+#define E1000_CTRL_SDP1_DIR 0x00800000 /* SDP1 Data direction */
#define E1000_CTRL_RST 0x04000000 /* Global reset */
#define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
#define E1000_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
@@ -528,8 +533,67 @@
#define E1000_TIMINCA_16NS_SHIFT 24
-#define E1000_TSICR_TXTS 0x00000002
-#define E1000_TSIM_TXTS 0x00000002
+/* Time Sync Interrupt Cause/Mask Register Bits */
+
+#define TSINTR_SYS_WRAP (1 << 0) /* SYSTIM Wrap around. */
+#define TSINTR_TXTS (1 << 1) /* Transmit Timestamp. */
+#define TSINTR_RXTS (1 << 2) /* Receive Timestamp. */
+#define TSINTR_TT0 (1 << 3) /* Target Time 0 Trigger. */
+#define TSINTR_TT1 (1 << 4) /* Target Time 1 Trigger. */
+#define TSINTR_AUTT0 (1 << 5) /* Auxiliary Timestamp 0 Taken. */
+#define TSINTR_AUTT1 (1 << 6) /* Auxiliary Timestamp 1 Taken. */
+#define TSINTR_TADJ (1 << 7) /* Time Adjust Done. */
+
+#define TSYNC_INTERRUPTS TSINTR_TXTS
+#define E1000_TSICR_TXTS TSINTR_TXTS
+
+/* TSAUXC Configuration Bits */
+#define TSAUXC_EN_TT0 (1 << 0) /* Enable target time 0. */
+#define TSAUXC_EN_TT1 (1 << 1) /* Enable target time 1. */
+#define TSAUXC_EN_CLK0 (1 << 2) /* Enable Configurable Frequency Clock 0. */
+#define TSAUXC_SAMP_AUT0 (1 << 3) /* Latch SYSTIML/H into AUXSTMPL/0. */
+#define TSAUXC_ST0 (1 << 4) /* Start Clock 0 Toggle on Target Time 0. */
+#define TSAUXC_EN_CLK1 (1 << 5) /* Enable Configurable Frequency Clock 1. */
+#define TSAUXC_SAMP_AUT1 (1 << 6) /* Latch SYSTIML/H into AUXSTMPL/1. */
+#define TSAUXC_ST1 (1 << 7) /* Start Clock 1 Toggle on Target Time 1. */
+#define TSAUXC_EN_TS0 (1 << 8) /* Enable hardware timestamp 0. */
+#define TSAUXC_AUTT0 (1 << 9) /* Auxiliary Timestamp Taken. */
+#define TSAUXC_EN_TS1 (1 << 10) /* Enable hardware timestamp 0. */
+#define TSAUXC_AUTT1 (1 << 11) /* Auxiliary Timestamp Taken. */
+#define TSAUXC_PLSG (1 << 17) /* Generate a pulse. */
+#define TSAUXC_DISABLE (1 << 31) /* Disable SYSTIM Count Operation. */
+
+/* SDP Configuration Bits */
+#define AUX0_SEL_SDP0 (0 << 0) /* Assign SDP0 to auxiliary time stamp 0. */
+#define AUX0_SEL_SDP1 (1 << 0) /* Assign SDP1 to auxiliary time stamp 0. */
+#define AUX0_SEL_SDP2 (2 << 0) /* Assign SDP2 to auxiliary time stamp 0. */
+#define AUX0_SEL_SDP3 (3 << 0) /* Assign SDP3 to auxiliary time stamp 0. */
+#define AUX0_TS_SDP_EN (1 << 2) /* Enable auxiliary time stamp trigger 0. */
+#define AUX1_SEL_SDP0 (0 << 3) /* Assign SDP0 to auxiliary time stamp 1. */
+#define AUX1_SEL_SDP1 (1 << 3) /* Assign SDP1 to auxiliary time stamp 1. */
+#define AUX1_SEL_SDP2 (2 << 3) /* Assign SDP2 to auxiliary time stamp 1. */
+#define AUX1_SEL_SDP3 (3 << 3) /* Assign SDP3 to auxiliary time stamp 1. */
+#define AUX1_TS_SDP_EN (1 << 5) /* Enable auxiliary time stamp trigger 1. */
+#define TS_SDP0_SEL_TT0 (0 << 6) /* Target time 0 is output on SDP0. */
+#define TS_SDP0_SEL_TT1 (1 << 6) /* Target time 1 is output on SDP0. */
+#define TS_SDP0_SEL_FC0 (2 << 6) /* Freq clock 0 is output on SDP0. */
+#define TS_SDP0_SEL_FC1 (3 << 6) /* Freq clock 1 is output on SDP0. */
+#define TS_SDP0_EN (1 << 8) /* SDP0 is assigned to Tsync. */
+#define TS_SDP1_SEL_TT0 (0 << 9) /* Target time 0 is output on SDP1. */
+#define TS_SDP1_SEL_TT1 (1 << 9) /* Target time 1 is output on SDP1. */
+#define TS_SDP1_SEL_FC0 (2 << 9) /* Freq clock 0 is output on SDP1. */
+#define TS_SDP1_SEL_FC1 (3 << 9) /* Freq clock 1 is output on SDP1. */
+#define TS_SDP1_EN (1 << 11) /* SDP1 is assigned to Tsync. */
+#define TS_SDP2_SEL_TT0 (0 << 12) /* Target time 0 is output on SDP2. */
+#define TS_SDP2_SEL_TT1 (1 << 12) /* Target time 1 is output on SDP2. */
+#define TS_SDP2_SEL_FC0 (2 << 12) /* Freq clock 0 is output on SDP2. */
+#define TS_SDP2_SEL_FC1 (3 << 12) /* Freq clock 1 is output on SDP2. */
+#define TS_SDP2_EN (1 << 14) /* SDP2 is assigned to Tsync. */
+#define TS_SDP3_SEL_TT0 (0 << 15) /* Target time 0 is output on SDP3. */
+#define TS_SDP3_SEL_TT1 (1 << 15) /* Target time 1 is output on SDP3. */
+#define TS_SDP3_SEL_FC0 (2 << 15) /* Freq clock 0 is output on SDP3. */
+#define TS_SDP3_SEL_FC1 (3 << 15) /* Freq clock 1 is output on SDP3. */
+#define TS_SDP3_EN (1 << 17) /* SDP3 is assigned to Tsync. */
#define E1000_MDICNFG_EXT_MDIO 0x80000000 /* MDI ext/int destination */
#define E1000_MDICNFG_COM_MDIO 0x40000000 /* MDI shared w/ lan 0 */
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
index abdd935a9dad..e9c5fdd60f54 100644
--- a/drivers/net/ethernet/intel/igb/e1000_regs.h
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -40,6 +40,7 @@
#define E1000_FCT 0x00030 /* Flow Control Type - RW */
#define E1000_CONNSW 0x00034 /* Copper/Fiber switch control - RW */
#define E1000_VET 0x00038 /* VLAN Ether Type - RW */
+#define E1000_TSSDP 0x0003C /* Time Sync SDP Configuration Register - RW */
#define E1000_ICR 0x000C0 /* Interrupt Cause Read - R/clr */
#define E1000_ITR 0x000C4 /* Interrupt Throttling Rate - RW */
#define E1000_ICS 0x000C8 /* Interrupt Cause Set - WO */
@@ -101,6 +102,14 @@
#define E1000_SYSTIMH 0x0B604 /* System time register High - RO */
#define E1000_TIMINCA 0x0B608 /* Increment attributes register - RW */
#define E1000_TSAUXC 0x0B640 /* Timesync Auxiliary Control register */
+#define E1000_TRGTTIML0 0x0B644 /* Target Time Register 0 Low - RW */
+#define E1000_TRGTTIMH0 0x0B648 /* Target Time Register 0 High - RW */
+#define E1000_TRGTTIML1 0x0B64C /* Target Time Register 1 Low - RW */
+#define E1000_TRGTTIMH1 0x0B650 /* Target Time Register 1 High - RW */
+#define E1000_AUXSTMPL0 0x0B65C /* Auxiliary Time Stamp 0 Register Low - RO */
+#define E1000_AUXSTMPH0 0x0B660 /* Auxiliary Time Stamp 0 Register High - RO */
+#define E1000_AUXSTMPL1 0x0B664 /* Auxiliary Time Stamp 1 Register Low - RO */
+#define E1000_AUXSTMPH1 0x0B668 /* Auxiliary Time Stamp 1 Register High - RO */
#define E1000_SYSTIMR 0x0B6F8 /* System time register Residue */
#define E1000_TSICR 0x0B66C /* Interrupt Cause Register */
#define E1000_TSIM 0x0B674 /* Interrupt Mask Register */
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 9c9c141f089a..a894551ae3c0 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -799,7 +799,7 @@ void igb_ptp_init(struct igb_adapter *adapter)
/* Initialize the time sync interrupts for devices that support it. */
if (hw->mac.type >= e1000_82580) {
- wr32(E1000_TSIM, E1000_TSIM_TXTS);
+ wr32(E1000_TSIM, TSYNC_INTERRUPTS);
wr32(E1000_IMS, E1000_IMS_TS);
}
@@ -877,7 +877,7 @@ void igb_ptp_reset(struct igb_adapter *adapter)
case e1000_i211:
/* Enable the timer functions and interrupts. */
wr32(E1000_TSAUXC, 0x0);
- wr32(E1000_TSIM, E1000_TSIM_TXTS);
+ wr32(E1000_TSIM, TSYNC_INTERRUPTS);
wr32(E1000_IMS, E1000_IMS_TS);
break;
default:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
index f8ebe583a2ab..7fe22542e404 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
@@ -58,7 +58,6 @@ static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
**/
static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
{
- struct ixgbe_adapter *adapter = hw->back;
u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
u16 pcie_devctl2;
@@ -84,11 +83,8 @@ static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
* 16ms to 55ms
*/
pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2);
- if (ixgbe_removed(hw->hw_addr))
- return;
pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
- pci_write_config_word(adapter->pdev,
- IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
+ ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
out:
/* disable completion timeout resend */
gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
index d1d67ba54775..afa1cda90c2e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
@@ -133,6 +133,7 @@ s32 ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw);
#define IXGBE_FAILED_READ_CFG_WORD 0xffffU
u16 ixgbe_read_pci_cfg_word(struct ixgbe_hw *hw, u32 reg);
+void ixgbe_write_pci_cfg_word(struct ixgbe_hw *hw, u32 reg, u16 value);
static inline bool ixgbe_removed(void __iomem *addr)
{
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 18cd8ca319ea..c773d6cb6063 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -361,6 +361,15 @@ static u32 ixgbe_read_pci_cfg_dword(struct ixgbe_hw *hw, u32 reg)
}
#endif /* CONFIG_PCI_IOV */
+void ixgbe_write_pci_cfg_word(struct ixgbe_hw *hw, u32 reg, u16 value)
+{
+ struct ixgbe_adapter *adapter = hw->back;
+
+ if (ixgbe_removed(hw->hw_addr))
+ return;
+ pci_write_config_word(adapter->pdev, reg, value);
+}
+
static void ixgbe_service_event_complete(struct ixgbe_adapter *adapter)
{
BUG_ON(!test_bit(__IXGBE_SERVICE_SCHED, &adapter->state));
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index 54829326bb09..08fb88aba67b 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
- Copyright(c) 1999 - 2012 Intel Corporation.
+ Copyright(c) 1999 - 2014 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -412,7 +412,8 @@ struct ixgbevf_adapter {
enum ixbgevf_state_t {
__IXGBEVF_TESTING,
__IXGBEVF_RESETTING,
- __IXGBEVF_DOWN
+ __IXGBEVF_DOWN,
+ __IXGBEVF_REMOVING,
};
struct ixgbevf_cb {
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 8581079791fe..a2cba53c31be 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
- Copyright(c) 1999 - 2012 Intel Corporation.
+ Copyright(c) 1999 - 2014 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -608,7 +608,8 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget)
napi_complete(napi);
if (adapter->rx_itr_setting & 1)
ixgbevf_set_itr(q_vector);
- if (!test_bit(__IXGBEVF_DOWN, &adapter->state))
+ if (!test_bit(__IXGBEVF_DOWN, &adapter->state) &&
+ !test_bit(__IXGBEVF_REMOVING, &adapter->state))
ixgbevf_irq_enable_queues(adapter,
1 << q_vector->v_idx);
@@ -833,7 +834,8 @@ static irqreturn_t ixgbevf_msix_other(int irq, void *data)
hw->mac.get_link_status = 1;
- if (!test_bit(__IXGBEVF_DOWN, &adapter->state))
+ if (!test_bit(__IXGBEVF_DOWN, &adapter->state) &&
+ !test_bit(__IXGBEVF_REMOVING, &adapter->state))
mod_timer(&adapter->watchdog_timer, jiffies);
IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, adapter->eims_other);
@@ -1618,6 +1620,7 @@ static void ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
spin_unlock_bh(&adapter->mbx_lock);
+ smp_mb__before_clear_bit();
clear_bit(__IXGBEVF_DOWN, &adapter->state);
ixgbevf_napi_enable_all(adapter);
@@ -1742,7 +1745,8 @@ void ixgbevf_down(struct ixgbevf_adapter *adapter)
int i;
/* signal that we are down to the interrupt handler */
- set_bit(__IXGBEVF_DOWN, &adapter->state);
+ if (test_and_set_bit(__IXGBEVF_DOWN, &adapter->state))
+ return; /* do nothing if already down */
/* disable all enabled rx queues */
for (i = 0; i < adapter->num_rx_queues; i++)
@@ -2329,6 +2333,7 @@ static void ixgbevf_reset_task(struct work_struct *work)
/* If we're already down or resetting, just bail */
if (test_bit(__IXGBEVF_DOWN, &adapter->state) ||
+ test_bit(__IXGBEVF_REMOVING, &adapter->state) ||
test_bit(__IXGBEVF_RESETTING, &adapter->state))
return;
@@ -2413,7 +2418,8 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
pf_has_reset:
/* Reset the timer */
- if (!test_bit(__IXGBEVF_DOWN, &adapter->state))
+ if (!test_bit(__IXGBEVF_DOWN, &adapter->state) &&
+ !test_bit(__IXGBEVF_REMOVING, &adapter->state))
mod_timer(&adapter->watchdog_timer,
round_jiffies(jiffies + (2 * HZ)));
@@ -3563,7 +3569,7 @@ static void ixgbevf_remove(struct pci_dev *pdev)
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
- set_bit(__IXGBEVF_DOWN, &adapter->state);
+ set_bit(__IXGBEVF_REMOVING, &adapter->state);
del_timer_sync(&adapter->watchdog_timer);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 04:39:22 +0000