/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
- Copyright(c) 1999 - 2012 Intel Corporation.
+ Copyright(c) 1999 - 2013 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,
#define DRV_VERSION "3.11.33-k"
const char ixgbe_driver_version[] = DRV_VERSION;
static const char ixgbe_copyright[] =
- "Copyright (c) 1999-2012 Intel Corporation.";
+ "Copyright (c) 1999-2013 Intel Corporation.";
static const struct ixgbe_info *ixgbe_info_tbl[] = {
[board_82598] = &ixgbe_82598_info,
/* Do the reset outside of interrupt context */
if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED;
+ e_warn(drv, "initiating reset due to tx timeout\n");
ixgbe_service_event_schedule(adapter);
}
}
break;
/* prevent any other reads prior to eop_desc */
- rmb();
+ read_barrier_depends();
/* if DD is not set pending work has not been completed */
if (!(eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
total_bytes += tx_buffer->bytecount;
total_packets += tx_buffer->gso_segs;
- if (unlikely(tx_buffer->tx_flags & IXGBE_TX_FLAGS_TSTAMP))
- ixgbe_ptp_tx_hwtstamp(q_vector, tx_buffer->skb);
-
/* free the skb */
dev_kfree_skb_any(tx_buffer->skb);
/* set gso_size to avoid messing up TCP MSS */
skb_shinfo(skb)->gso_size = DIV_ROUND_UP((skb->len - hdr_len),
IXGBE_CB(skb)->append_cnt);
+ skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
}
static void ixgbe_update_rsc_stats(struct ixgbe_ring *rx_ring,
ixgbe_rx_checksum(rx_ring, rx_desc, skb);
- ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector, rx_desc, skb);
+ ixgbe_ptp_rx_hwtstamp(rx_ring, rx_desc, skb);
if ((dev->features & NETIF_F_HW_VLAN_RX) &&
ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) {
return;
if (!(eicr & IXGBE_EICR_LSC) && hw->mac.ops.check_link) {
- u32 autoneg;
+ u32 speed;
bool link_up = false;
- hw->mac.ops.check_link(hw, &autoneg, &link_up, false);
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (link_up)
return;
**/
static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
{
- u32 autoneg;
- bool negotiation, link_up = false;
+ u32 speed;
+ bool autoneg, link_up = false;
u32 ret = IXGBE_ERR_LINK_SETUP;
if (hw->mac.ops.check_link)
- ret = hw->mac.ops.check_link(hw, &autoneg, &link_up, false);
+ ret = hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (ret)
goto link_cfg_out;
- autoneg = hw->phy.autoneg_advertised;
- if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
- ret = hw->mac.ops.get_link_capabilities(hw, &autoneg,
- &negotiation);
+ speed = hw->phy.autoneg_advertised;
+ if ((!speed) && (hw->mac.ops.get_link_capabilities))
+ ret = hw->mac.ops.get_link_capabilities(hw, &speed,
+ &autoneg);
if (ret)
goto link_cfg_out;
if (hw->mac.ops.setup_link)
- ret = hw->mac.ops.setup_link(hw, autoneg, negotiation, link_up);
+ ret = hw->mac.ops.setup_link(hw, speed, link_up);
link_cfg_out:
return ret;
}
*/
if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
(adapter->hw.mac.type == ixgbe_mac_82599EB) &&
- (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE))
+ (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
e_warn(probe, "Setting MTU > 1500 will disable legacy VFs\n");
e_info(probe, "changing MTU from %d to %d\n", netdev->mtu, new_mtu);
break;
}
+ adapter->last_rx_ptp_check = jiffies;
+
if (adapter->flags2 & IXGBE_FLAG2_PTP_ENABLED)
ixgbe_ptp_start_cyclecounter(adapter);
* to get done, so reset controller to flush Tx.
* (Do the reset outside of interrupt context).
*/
+ e_warn(drv, "initiating reset to clear Tx work after link loss\n");
adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED;
}
}
static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
- u32 autoneg;
- bool negotiation;
+ u32 speed;
+ bool autoneg = false;
if (!(adapter->flags & IXGBE_FLAG_NEED_LINK_CONFIG))
return;
adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
- autoneg = hw->phy.autoneg_advertised;
- if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
- hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
+ speed = hw->phy.autoneg_advertised;
+ if ((!speed) && (hw->mac.ops.get_link_capabilities))
+ hw->mac.ops.get_link_capabilities(hw, &speed, &autoneg);
if (hw->mac.ops.setup_link)
- hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
+ hw->mac.ops.setup_link(hw, speed, true);
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
adapter->link_check_timeout = jiffies;
struct ixgbe_adapter *adapter = container_of(work,
struct ixgbe_adapter,
service_task);
-
ixgbe_reset_subtask(adapter);
ixgbe_sfp_detection_subtask(adapter);
ixgbe_sfp_link_config_subtask(adapter);
ixgbe_watchdog_subtask(adapter);
ixgbe_fdir_reinit_subtask(adapter);
ixgbe_check_hang_subtask(adapter);
- ixgbe_ptp_overflow_check(adapter);
+
+ if (adapter->flags2 & IXGBE_FLAG2_PTP_ENABLED) {
+ ixgbe_ptp_overflow_check(adapter);
+ ixgbe_ptp_rx_hang(adapter);
+ }
ixgbe_service_event_complete(adapter);
}
u32 vlan_macip_lens, type_tucmd;
u32 mss_l4len_idx, l4len;
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
+ return 0;
+
if (!skb_is_gso(skb))
return 0;
first->gso_segs = skb_shinfo(skb)->gso_segs;
first->bytecount += (first->gso_segs - 1) * *hdr_len;
- /* mss_l4len_id: use 1 as index for TSO */
+ /* mss_l4len_id: use 0 as index for TSO */
mss_l4len_idx = l4len << IXGBE_ADVTXD_L4LEN_SHIFT;
mss_l4len_idx |= skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT;
- mss_l4len_idx |= 1 << IXGBE_ADVTXD_IDX_SHIFT;
/* vlan_macip_lens: HEADLEN, MACLEN, VLAN tag */
vlan_macip_lens = skb_network_header_len(skb);
u32 type_tucmd = 0;
if (skb->ip_summed != CHECKSUM_PARTIAL) {
- if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN)) {
- if (unlikely(skb->no_fcs))
- first->tx_flags |= IXGBE_TX_FLAGS_NO_IFCS;
- if (!(first->tx_flags & IXGBE_TX_FLAGS_TXSW))
- return;
- }
+ if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN) &&
+ !(first->tx_flags & IXGBE_TX_FLAGS_CC))
+ return;
} else {
u8 l4_hdr = 0;
switch (first->protocol) {
type_tucmd, mss_l4len_idx);
}
-static __le32 ixgbe_tx_cmd_type(u32 tx_flags)
+#define IXGBE_SET_FLAG(_input, _flag, _result) \
+ ((_flag <= _result) ? \
+ ((u32)(_input & _flag) * (_result / _flag)) : \
+ ((u32)(_input & _flag) / (_flag / _result)))
+
+static u32 ixgbe_tx_cmd_type(struct sk_buff *skb, u32 tx_flags)
{
/* set type for advanced descriptor with frame checksum insertion */
- __le32 cmd_type = cpu_to_le32(IXGBE_ADVTXD_DTYP_DATA |
- IXGBE_ADVTXD_DCMD_DEXT);
+ u32 cmd_type = IXGBE_ADVTXD_DTYP_DATA |
+ IXGBE_ADVTXD_DCMD_DEXT |
+ IXGBE_ADVTXD_DCMD_IFCS;
/* set HW vlan bit if vlan is present */
- if (tx_flags & IXGBE_TX_FLAGS_HW_VLAN)
- cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_VLE);
-
- if (tx_flags & IXGBE_TX_FLAGS_TSTAMP)
- cmd_type |= cpu_to_le32(IXGBE_ADVTXD_MAC_TSTAMP);
+ cmd_type |= IXGBE_SET_FLAG(tx_flags, IXGBE_TX_FLAGS_HW_VLAN,
+ IXGBE_ADVTXD_DCMD_VLE);
/* set segmentation enable bits for TSO/FSO */
-#ifdef IXGBE_FCOE
- if (tx_flags & (IXGBE_TX_FLAGS_TSO | IXGBE_TX_FLAGS_FSO))
-#else
- if (tx_flags & IXGBE_TX_FLAGS_TSO)
-#endif
- cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_TSE);
+ cmd_type |= IXGBE_SET_FLAG(tx_flags, IXGBE_TX_FLAGS_TSO,
+ IXGBE_ADVTXD_DCMD_TSE);
+
+ /* set timestamp bit if present */
+ cmd_type |= IXGBE_SET_FLAG(tx_flags, IXGBE_TX_FLAGS_TSTAMP,
+ IXGBE_ADVTXD_MAC_TSTAMP);
/* insert frame checksum */
- if (!(tx_flags & IXGBE_TX_FLAGS_NO_IFCS))
- cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_IFCS);
+ cmd_type ^= IXGBE_SET_FLAG(skb->no_fcs, 1, IXGBE_ADVTXD_DCMD_IFCS);
return cmd_type;
}
static void ixgbe_tx_olinfo_status(union ixgbe_adv_tx_desc *tx_desc,
u32 tx_flags, unsigned int paylen)
{
- __le32 olinfo_status = cpu_to_le32(paylen << IXGBE_ADVTXD_PAYLEN_SHIFT);
+ u32 olinfo_status = paylen << IXGBE_ADVTXD_PAYLEN_SHIFT;
/* enable L4 checksum for TSO and TX checksum offload */
- if (tx_flags & IXGBE_TX_FLAGS_CSUM)
- olinfo_status |= cpu_to_le32(IXGBE_ADVTXD_POPTS_TXSM);
+ olinfo_status |= IXGBE_SET_FLAG(tx_flags,
+ IXGBE_TX_FLAGS_CSUM,
+ IXGBE_ADVTXD_POPTS_TXSM);
/* enble IPv4 checksum for TSO */
- if (tx_flags & IXGBE_TX_FLAGS_IPV4)
- olinfo_status |= cpu_to_le32(IXGBE_ADVTXD_POPTS_IXSM);
-
- /* use index 1 context for TSO/FSO/FCOE */
-#ifdef IXGBE_FCOE
- if (tx_flags & (IXGBE_TX_FLAGS_TSO | IXGBE_TX_FLAGS_FCOE))
-#else
- if (tx_flags & IXGBE_TX_FLAGS_TSO)
-#endif
- olinfo_status |= cpu_to_le32(1 << IXGBE_ADVTXD_IDX_SHIFT);
+ olinfo_status |= IXGBE_SET_FLAG(tx_flags,
+ IXGBE_TX_FLAGS_IPV4,
+ IXGBE_ADVTXD_POPTS_IXSM);
/*
* Check Context must be set if Tx switch is enabled, which it
* always is for case where virtual functions are running
*/
-#ifdef IXGBE_FCOE
- if (tx_flags & (IXGBE_TX_FLAGS_TXSW | IXGBE_TX_FLAGS_FCOE))
-#else
- if (tx_flags & IXGBE_TX_FLAGS_TXSW)
-#endif
- olinfo_status |= cpu_to_le32(IXGBE_ADVTXD_CC);
+ olinfo_status |= IXGBE_SET_FLAG(tx_flags,
+ IXGBE_TX_FLAGS_CC,
+ IXGBE_ADVTXD_CC);
- tx_desc->read.olinfo_status = olinfo_status;
+ tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
}
#define IXGBE_TXD_CMD (IXGBE_TXD_CMD_EOP | \
struct ixgbe_tx_buffer *first,
const u8 hdr_len)
{
- dma_addr_t dma;
struct sk_buff *skb = first->skb;
struct ixgbe_tx_buffer *tx_buffer;
union ixgbe_adv_tx_desc *tx_desc;
- struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
- unsigned int data_len = skb->data_len;
- unsigned int size = skb_headlen(skb);
- unsigned int paylen = skb->len - hdr_len;
+ struct skb_frag_struct *frag;
+ dma_addr_t dma;
+ unsigned int data_len, size;
u32 tx_flags = first->tx_flags;
- __le32 cmd_type;
+ u32 cmd_type = ixgbe_tx_cmd_type(skb, tx_flags);
u16 i = tx_ring->next_to_use;
tx_desc = IXGBE_TX_DESC(tx_ring, i);
- ixgbe_tx_olinfo_status(tx_desc, tx_flags, paylen);
- cmd_type = ixgbe_tx_cmd_type(tx_flags);
+ ixgbe_tx_olinfo_status(tx_desc, tx_flags, skb->len - hdr_len);
+
+ size = skb_headlen(skb);
+ data_len = skb->data_len;
#ifdef IXGBE_FCOE
if (tx_flags & IXGBE_TX_FLAGS_FCOE) {
#endif
dma = dma_map_single(tx_ring->dev, skb->data, size, DMA_TO_DEVICE);
- if (dma_mapping_error(tx_ring->dev, dma))
- goto dma_error;
- /* record length, and DMA address */
- dma_unmap_len_set(first, len, size);
- dma_unmap_addr_set(first, dma, dma);
+ tx_buffer = first;
- tx_desc->read.buffer_addr = cpu_to_le64(dma);
+ for (frag = &skb_shinfo(skb)->frags[0];; frag++) {
+ if (dma_mapping_error(tx_ring->dev, dma))
+ goto dma_error;
+
+ /* record length, and DMA address */
+ dma_unmap_len_set(tx_buffer, len, size);
+ dma_unmap_addr_set(tx_buffer, dma, dma);
+
+ tx_desc->read.buffer_addr = cpu_to_le64(dma);
- for (;;) {
while (unlikely(size > IXGBE_MAX_DATA_PER_TXD)) {
tx_desc->read.cmd_type_len =
- cmd_type | cpu_to_le32(IXGBE_MAX_DATA_PER_TXD);
+ cpu_to_le32(cmd_type ^ IXGBE_MAX_DATA_PER_TXD);
i++;
tx_desc++;
tx_desc = IXGBE_TX_DESC(tx_ring, 0);
i = 0;
}
+ tx_desc->read.olinfo_status = 0;
dma += IXGBE_MAX_DATA_PER_TXD;
size -= IXGBE_MAX_DATA_PER_TXD;
tx_desc->read.buffer_addr = cpu_to_le64(dma);
- tx_desc->read.olinfo_status = 0;
}
if (likely(!data_len))
break;
- tx_desc->read.cmd_type_len = cmd_type | cpu_to_le32(size);
+ tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type ^ size);
i++;
tx_desc++;
tx_desc = IXGBE_TX_DESC(tx_ring, 0);
i = 0;
}
+ tx_desc->read.olinfo_status = 0;
#ifdef IXGBE_FCOE
size = min_t(unsigned int, data_len, skb_frag_size(frag));
dma = skb_frag_dma_map(tx_ring->dev, frag, 0, size,
DMA_TO_DEVICE);
- if (dma_mapping_error(tx_ring->dev, dma))
- goto dma_error;
tx_buffer = &tx_ring->tx_buffer_info[i];
- dma_unmap_len_set(tx_buffer, len, size);
- dma_unmap_addr_set(tx_buffer, dma, dma);
-
- tx_desc->read.buffer_addr = cpu_to_le64(dma);
- tx_desc->read.olinfo_status = 0;
-
- frag++;
}
/* write last descriptor with RS and EOP bits */
- cmd_type |= cpu_to_le32(size) | cpu_to_le32(IXGBE_TXD_CMD);
- tx_desc->read.cmd_type_len = cmd_type;
+ cmd_type |= size | IXGBE_TXD_CMD;
+ tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type);
netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount);
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
tx_flags |= IXGBE_TX_FLAGS_TSTAMP;
+
+ /* schedule check for Tx timestamp */
+ adapter->ptp_tx_skb = skb_get(skb);
+ adapter->ptp_tx_start = jiffies;
+ schedule_work(&adapter->ptp_tx_work);
}
#ifdef CONFIG_PCI_IOV
* Tx switch had been disabled.
*/
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
- tx_flags |= IXGBE_TX_FLAGS_TXSW;
+ tx_flags |= IXGBE_TX_FLAGS_CC;
#endif
/* DCB maps skb priorities 0-7 onto 3 bit PCP of VLAN tag. */
}
#endif /* CONFIG_IXGBE_DCB */
+#ifdef CONFIG_PCI_IOV
+void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+
+ rtnl_lock();
+#ifdef CONFIG_IXGBE_DCB
+ ixgbe_setup_tc(netdev, netdev_get_num_tc(netdev));
+#else
+ if (netif_running(netdev))
+ ixgbe_close(netdev);
+ ixgbe_clear_interrupt_scheme(adapter);
+ ixgbe_init_interrupt_scheme(adapter);
+ if (netif_running(netdev))
+ ixgbe_open(netdev);
+#endif
+ rtnl_unlock();
+}
+
+#endif
void ixgbe_do_reset(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
return err;
}
-static int ixgbe_ndo_fdb_del(struct ndmsg *ndm,
+static int ixgbe_ndo_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *dev,
const unsigned char *addr)
{
}
static int ixgbe_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
- struct net_device *dev)
+ struct net_device *dev,
+ u32 filter_mask)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
u16 mode;
}
#ifdef CONFIG_PCI_IOV
- ixgbe_enable_sriov(adapter, ii);
+ /* SR-IOV not supported on the 82598 */
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ goto skip_sriov;
+ /* Mailbox */
+ ixgbe_init_mbx_params_pf(hw);
+ memcpy(&hw->mbx.ops, ii->mbx_ops, sizeof(hw->mbx.ops));
+ ixgbe_enable_sriov(adapter);
+ pci_sriov_set_totalvfs(pdev, 63);
+skip_sriov:
#endif
netdev->features = NETIF_F_SG |
}
memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len);
- memcpy(netdev->perm_addr, hw->mac.perm_addr, netdev->addr_len);
- if (!is_valid_ether_addr(netdev->perm_addr)) {
+ if (!is_valid_ether_addr(netdev->dev_addr)) {
e_dev_err("invalid MAC address\n");
err = -EIO;
goto err_sw_init;
if (netdev->reg_state == NETREG_REGISTERED)
unregister_netdev(netdev);
- ixgbe_disable_sriov(adapter);
-
+#ifdef CONFIG_PCI_IOV
+ /*
+ * Only disable SR-IOV on unload if the user specified the now
+ * deprecated max_vfs module parameter.
+ */
+ if (max_vfs)
+ ixgbe_disable_sriov(adapter);
+#endif
ixgbe_clear_interrupt_scheme(adapter);
ixgbe_release_hw_control(adapter);
if (vfdev) {
e_dev_err("Issuing VFLR to VF %d\n", vf);
pci_write_config_dword(vfdev, 0xA8, 0x00008000);
+ /* Free device reference count */
+ pci_dev_put(vfdev);
}
pci_cleanup_aer_uncorrect_error_status(pdev);
.resume = ixgbe_resume,
#endif
.shutdown = ixgbe_shutdown,
+ .sriov_configure = ixgbe_pci_sriov_configure,
.err_handler = &ixgbe_err_handler
};
projects / ~andy / linux / blobdiff