Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...

1 files changed, 27 insertions, 41 deletions

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 6919c50e449a..7a6f2a0d413f 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -17,7 +17,6 @@
 #include "igc_hw.h"
 #include "igc_tsn.h"
 
-#define DRV_VERSION	"0.0.1-k"
 #define DRV_SUMMARY	"Intel(R) 2.5G Ethernet Linux Driver"
 
 #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
@@ -27,12 +26,10 @@ static int debug = -1;
 MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
 MODULE_DESCRIPTION(DRV_SUMMARY);
 MODULE_LICENSE("GPL v2");
-MODULE_VERSION(DRV_VERSION);
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
 
 char igc_driver_name[] = "igc";
-char igc_driver_version[] = DRV_VERSION;
 static const char igc_driver_string[] = DRV_SUMMARY;
 static const char igc_copyright[] =
 	"Copyright(c) 2018 Intel Corporation.";
@@ -64,16 +61,6 @@ enum latency_range {
 	latency_invalid = 255
 };
 
-/**
- * igc_power_down_link - Power down the phy/serdes link
- * @adapter: address of board private structure
- */
-static void igc_power_down_link(struct igc_adapter *adapter)
-{
-	if (adapter->hw.phy.media_type == igc_media_type_copper)
-		igc_power_down_phy_copper_base(&adapter->hw);
-}
-
 void igc_reset(struct igc_adapter *adapter)
 {
 	struct net_device *dev = adapter->netdev;
@@ -105,8 +92,11 @@ void igc_reset(struct igc_adapter *adapter)
 	if (hw->mac.ops.init_hw(hw))
 		netdev_err(dev, "Error on hardware initialization\n");
 
+	/* Re-establish EEE setting */
+	igc_set_eee_i225(hw, true, true, true);
+
 	if (!netif_running(adapter->netdev))
-		igc_power_down_link(adapter);
+		igc_power_down_phy_copper_base(&adapter->hw);
 
 	/* Re-enable PTP, where applicable. */
 	igc_ptp_reset(adapter);
@@ -125,8 +115,7 @@ static void igc_power_up_link(struct igc_adapter *adapter)
 {
 	igc_reset_phy(&adapter->hw);
 
-	if (adapter->hw.phy.media_type == igc_media_type_copper)
-		igc_power_up_phy_copper(&adapter->hw);
+	igc_power_up_phy_copper(&adapter->hw);
 
 	igc_setup_link(&adapter->hw);
 }
@@ -980,7 +969,7 @@ csum_failed:
 	switch (skb->csum_offset) {
 	case offsetof(struct tcphdr, check):
 		type_tucmd = IGC_ADVTXD_TUCMD_L4T_TCP;
-		/* fall through */
+		fallthrough;
 	case offsetof(struct udphdr, check):
 		break;
 	case offsetof(struct sctphdr, checksum):
@@ -992,7 +981,7 @@ csum_failed:
 			type_tucmd = IGC_ADVTXD_TUCMD_L4T_SCTP;
 			break;
 		}
-		/* fall through */
+		fallthrough;
 	default:
 		skb_checksum_help(skb);
 		goto csum_failed;
@@ -1479,9 +1468,9 @@ static inline void igc_rx_hash(struct igc_ring *ring,
  * @rx_desc: pointer to the EOP Rx descriptor
  * @skb: pointer to current skb being populated
  *
- * This function checks the ring, descriptor, and packet information in
- * order to populate the hash, checksum, VLAN, timestamp, protocol, and
- * other fields within the skb.
+ * This function checks the ring, descriptor, and packet information in order
+ * to populate the hash, checksum, VLAN, protocol, and other fields within the
+ * skb.
  */
 static void igc_process_skb_fields(struct igc_ring *rx_ring,
 				   union igc_adv_rx_desc *rx_desc,
@@ -1491,10 +1480,6 @@ static void igc_process_skb_fields(struct igc_ring *rx_ring,
 
 	igc_rx_checksum(rx_ring, rx_desc, skb);
 
-	if (igc_test_staterr(rx_desc, IGC_RXDADV_STAT_TS) &&
-	    !igc_test_staterr(rx_desc, IGC_RXDADV_STAT_TSIP))
-		igc_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
-
 	skb_record_rx_queue(skb, rx_ring->queue_index);
 
 	skb->protocol = eth_type_trans(skb, rx_ring->netdev);
@@ -1975,7 +1960,7 @@ static int igc_clean_rx_irq(struct igc_q_vector *q_vector, const int budget)
 		/* probably a little skewed due to removing CRC */
 		total_bytes += skb->len;
 
-		/* populate checksum, timestamp, VLAN, and protocol */
+		/* populate checksum, VLAN, and protocol */
 		igc_process_skb_fields(rx_ring, rx_desc, skb);
 
 		napi_gro_receive(&q_vector->napi, skb);
@@ -3284,7 +3269,6 @@ static void igc_cache_ring_register(struct igc_adapter *adapter)
 
 	switch (adapter->hw.mac.type) {
 	case igc_i225:
-	/* Fall through */
 	default:
 		for (; i < adapter->num_rx_queues; i++)
 			adapter->rx_ring[i]->reg_idx = i;
@@ -3744,17 +3728,8 @@ void igc_update_stats(struct igc_adapter *adapter)
 	adapter->stats.algnerrc += rd32(IGC_ALGNERRC);
 
 	adapter->stats.tsctc += rd32(IGC_TSCTC);
-	adapter->stats.tsctfc += rd32(IGC_TSCTFC);
 
 	adapter->stats.iac += rd32(IGC_IAC);
-	adapter->stats.icrxoc += rd32(IGC_ICRXOC);
-	adapter->stats.icrxptc += rd32(IGC_ICRXPTC);
-	adapter->stats.icrxatc += rd32(IGC_ICRXATC);
-	adapter->stats.ictxptc += rd32(IGC_ICTXPTC);
-	adapter->stats.ictxatc += rd32(IGC_ICTXATC);
-	adapter->stats.ictxqec += rd32(IGC_ICTXQEC);
-	adapter->stats.ictxqmtc += rd32(IGC_ICTXQMTC);
-	adapter->stats.icrxdmtc += rd32(IGC_ICRXDMTC);
 
 	/* Fill out the OS statistics structure */
 	net_stats->multicast = adapter->stats.mprc;
@@ -4255,6 +4230,15 @@ static void igc_watchdog_task(struct work_struct *work)
 				    (ctrl & IGC_CTRL_RFCE) ?  "RX" :
 				    (ctrl & IGC_CTRL_TFCE) ?  "TX" : "None");
 
+			/* disable EEE if enabled */
+			if ((adapter->flags & IGC_FLAG_EEE) &&
+			    adapter->link_duplex == HALF_DUPLEX) {
+				netdev_info(netdev,
+					    "EEE Disabled: unsupported at half duplex. Re-enable using ethtool when at full duplex\n");
+				adapter->hw.dev_spec._base.eee_enable = false;
+				adapter->flags &= ~IGC_FLAG_EEE;
+			}
+
 			/* check if SmartSpeed worked */
 			igc_check_downshift(hw);
 			if (phy->speed_downgraded)
@@ -4611,7 +4595,7 @@ err_set_queues:
 	igc_free_irq(adapter);
 err_req_irq:
 	igc_release_hw_control(adapter);
-	igc_power_down_link(adapter);
+	igc_power_down_phy_copper_base(&adapter->hw);
 	igc_free_all_rx_resources(adapter);
 err_setup_rx:
 	igc_free_all_tx_resources(adapter);
@@ -5185,6 +5169,10 @@ static int igc_probe(struct pci_dev *pdev,
 	netdev_info(netdev, "MAC: %pM\n", netdev->dev_addr);
 
 	dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
+	/* Disable EEE for internal PHY devices */
+	hw->dev_spec._base.eee_enable = false;
+	adapter->flags &= ~IGC_FLAG_EEE;
+	igc_set_eee_i225(hw, false, false, false);
 
 	pm_runtime_put_noidle(&pdev->dev);
 
@@ -5305,7 +5293,7 @@ static int __igc_shutdown(struct pci_dev *pdev, bool *enable_wake,
 
 	wake = wufc || adapter->en_mng_pt;
 	if (!wake)
-		igc_power_down_link(adapter);
+		igc_power_down_phy_copper_base(&adapter->hw);
 	else
 		igc_power_up_link(adapter);
 
@@ -5614,9 +5602,7 @@ static int __init igc_init_module(void)
 {
 	int ret;
 
-	pr_info("%s - version %s\n",
-		igc_driver_string, igc_driver_version);
-
+	pr_info("%s\n", igc_driver_string);
 	pr_info("%s\n", igc_copyright);
 
 	ret = pci_register_driver(&igc_driver);