forked from Minki/linux
Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2018-06-11 This series contains fixes to ixgbe IPsec and MACVLAN. Alex provides the 5 fixes in this series, starting with fixing an issue where num_rx_pools was not being populated until after the queues and interrupts were reinitialized when enabling MACVLAN interfaces. Updated to use CONFIG_XFRM_OFFLOAD instead of CONFIG_XFRM, since the code requires CONFIG_XFRM_OFFLOAD to be enabled. Moved the IPsec initialization function to be more consistent with the placement of similar initialization functions and before the call to reset the hardware, which will clean up any link issues that may have been introduced. Fixed the boolean logic that was testing for transmit OR receive ready bits, when it should have been testing for transmit AND receive ready bits. Fixed the bit definitions for SECTXSTAT and SECRXSTAT registers and ensure that if IPsec is disabled on the part, do not enable it. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
93ba168ad4
@ -760,9 +760,9 @@ struct ixgbe_adapter {
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#define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */
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u32 *rss_key;
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#ifdef CONFIG_XFRM
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#ifdef CONFIG_XFRM_OFFLOAD
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struct ixgbe_ipsec *ipsec;
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#endif /* CONFIG_XFRM */
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#endif /* CONFIG_XFRM_OFFLOAD */
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};
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static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
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@ -158,7 +158,16 @@ static void ixgbe_ipsec_stop_data(struct ixgbe_adapter *adapter)
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reg |= IXGBE_SECRXCTRL_RX_DIS;
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IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, reg);
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IXGBE_WRITE_FLUSH(hw);
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/* If both Tx and Rx are ready there are no packets
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* that we need to flush so the loopback configuration
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* below is not necessary.
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*/
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t_rdy = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT) &
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IXGBE_SECTXSTAT_SECTX_RDY;
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r_rdy = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) &
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IXGBE_SECRXSTAT_SECRX_RDY;
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if (t_rdy && r_rdy)
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return;
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/* If the tx fifo doesn't have link, but still has data,
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* we can't clear the tx sec block. Set the MAC loopback
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@ -185,7 +194,7 @@ static void ixgbe_ipsec_stop_data(struct ixgbe_adapter *adapter)
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IXGBE_SECTXSTAT_SECTX_RDY;
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r_rdy = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) &
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IXGBE_SECRXSTAT_SECRX_RDY;
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} while (!t_rdy && !r_rdy && limit--);
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} while (!(t_rdy && r_rdy) && limit--);
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/* undo loopback if we played with it earlier */
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if (!link) {
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@ -966,10 +975,22 @@ void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
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**/
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void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter)
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{
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struct ixgbe_hw *hw = &adapter->hw;
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struct ixgbe_ipsec *ipsec;
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u32 t_dis, r_dis;
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size_t size;
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if (adapter->hw.mac.type == ixgbe_mac_82598EB)
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if (hw->mac.type == ixgbe_mac_82598EB)
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return;
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/* If there is no support for either Tx or Rx offload
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* we should not be advertising support for IPsec.
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*/
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t_dis = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT) &
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IXGBE_SECTXSTAT_SECTX_OFF_DIS;
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r_dis = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT) &
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IXGBE_SECRXSTAT_SECRX_OFF_DIS;
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if (t_dis || r_dis)
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return;
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ipsec = kzalloc(sizeof(*ipsec), GFP_KERNEL);
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@ -1001,13 +1022,6 @@ void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter)
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adapter->netdev->xfrmdev_ops = &ixgbe_xfrmdev_ops;
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#define IXGBE_ESP_FEATURES (NETIF_F_HW_ESP | \
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NETIF_F_HW_ESP_TX_CSUM | \
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NETIF_F_GSO_ESP)
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adapter->netdev->features |= IXGBE_ESP_FEATURES;
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adapter->netdev->hw_enc_features |= IXGBE_ESP_FEATURES;
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return;
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err2:
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@ -593,6 +593,14 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
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}
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#endif
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/* To support macvlan offload we have to use num_tc to
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* restrict the queues that can be used by the device.
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* By doing this we can avoid reporting a false number of
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* queues.
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*/
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if (vmdq_i > 1)
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netdev_set_num_tc(adapter->netdev, 1);
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/* populate TC0 for use by pool 0 */
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netdev_set_tc_queue(adapter->netdev, 0,
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adapter->num_rx_queues_per_pool, 0);
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@ -6117,6 +6117,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter,
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#ifdef CONFIG_IXGBE_DCB
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ixgbe_init_dcb(adapter);
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#endif
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ixgbe_init_ipsec_offload(adapter);
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/* default flow control settings */
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hw->fc.requested_mode = ixgbe_fc_full;
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@ -8822,14 +8823,6 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc)
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} else {
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netdev_reset_tc(dev);
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/* To support macvlan offload we have to use num_tc to
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* restrict the queues that can be used by the device.
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* By doing this we can avoid reporting a false number of
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* queues.
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*/
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if (!tc && adapter->num_rx_pools > 1)
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netdev_set_num_tc(dev, 1);
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if (adapter->hw.mac.type == ixgbe_mac_82598EB)
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adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
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@ -9904,7 +9897,7 @@ ixgbe_features_check(struct sk_buff *skb, struct net_device *dev,
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* the TSO, so it's the exception.
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*/
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if (skb->encapsulation && !(features & NETIF_F_TSO_MANGLEID)) {
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#ifdef CONFIG_XFRM
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#ifdef CONFIG_XFRM_OFFLOAD
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if (!skb->sp)
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#endif
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features &= ~NETIF_F_TSO;
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@ -10437,6 +10430,14 @@ skip_sriov:
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if (hw->mac.type >= ixgbe_mac_82599EB)
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netdev->features |= NETIF_F_SCTP_CRC;
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#ifdef CONFIG_XFRM_OFFLOAD
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#define IXGBE_ESP_FEATURES (NETIF_F_HW_ESP | \
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NETIF_F_HW_ESP_TX_CSUM | \
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NETIF_F_GSO_ESP)
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if (adapter->ipsec)
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netdev->features |= IXGBE_ESP_FEATURES;
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#endif
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/* copy netdev features into list of user selectable features */
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netdev->hw_features |= netdev->features |
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NETIF_F_HW_VLAN_CTAG_FILTER |
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@ -10499,8 +10500,6 @@ skip_sriov:
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NETIF_F_FCOE_MTU;
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}
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#endif /* IXGBE_FCOE */
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ixgbe_init_ipsec_offload(adapter);
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if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)
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netdev->hw_features |= NETIF_F_LRO;
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if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
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@ -599,13 +599,15 @@ struct ixgbe_nvm_version {
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#define IXGBE_SECTXCTRL_STORE_FORWARD 0x00000004
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#define IXGBE_SECTXSTAT_SECTX_RDY 0x00000001
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#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000002
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#define IXGBE_SECTXSTAT_SECTX_OFF_DIS 0x00000002
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#define IXGBE_SECTXSTAT_ECC_TXERR 0x00000004
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#define IXGBE_SECRXCTRL_SECRX_DIS 0x00000001
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#define IXGBE_SECRXCTRL_RX_DIS 0x00000002
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#define IXGBE_SECRXSTAT_SECRX_RDY 0x00000001
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#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000002
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#define IXGBE_SECRXSTAT_SECRX_OFF_DIS 0x00000002
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#define IXGBE_SECRXSTAT_ECC_RXERR 0x00000004
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/* LinkSec (MacSec) Registers */
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#define IXGBE_LSECTXCAP 0x08A00
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