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

Pull networking updates from David Miller:

 1) Add TX fast path in mac80211, from Johannes Berg.

 2) Add TSO/GRO support to ibmveth, from Thomas Falcon

 3) Move away from cached routes in ipv6, just like ipv4, from Martin
    KaFai Lau.

 4) Lots of new rhashtable tests, from Thomas Graf.

 5) Run ingress qdisc lockless, from Alexei Starovoitov.

 6) Allow servers to fetch TCP packet headers for SYN packets of new
    connections, for fingerprinting.  From Eric Dumazet.

 7) Add mode parameter to pktgen, for testing receive.  From Alexei
    Starovoitov.

 8) Cache access optimizations via simplifications of build_skb(), from
    Alexander Duyck.

 9) Move page frag allocator under mm/, also from Alexander.

10) Add xmit_more support to hv_netvsc, from KY Srinivasan.

11) Add a counter guard in case we try to perform endless reclassify
    loops in the packet scheduler.

12) Extern flow dissector to be programmable and use it in new "Flower"
    classifier.  From Jiri Pirko.

13) AF_PACKET fanout rollover fixes, performance improvements, and new
    statistics.  From Willem de Bruijn.

14) Add netdev driver for GENEVE tunnels, from John W Linville.

15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso.

16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet.

17) Add an ECN retry fallback for the initial TCP handshake, from Daniel
    Borkmann.

18) Add tail call support to BPF, from Alexei Starovoitov.

19) Add several pktgen helper scripts, from Jesper Dangaard Brouer.

20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa.

21) Favor even port numbers for allocation to connect() requests, and
    odd port numbers for bind(0), in an effort to help avoid
    ip_local_port_range exhaustion.  From Eric Dumazet.

22) Add Cavium ThunderX driver, from Sunil Goutham.

23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata,
    from Alexei Starovoitov.

24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai.

25) Double TCP Small Queues default to 256K to accomodate situations
    like the XEN driver and wireless aggregation.  From Wei Liu.

26) Add more entropy inputs to flow dissector, from Tom Herbert.

27) Add CDG congestion control algorithm to TCP, from Kenneth Klette
    Jonassen.

28) Convert ipset over to RCU locking, from Jozsef Kadlecsik.

29) Track and act upon link status of ipv4 route nexthops, from Andy
    Gospodarek.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits)
  bridge: vlan: flush the dynamically learned entries on port vlan delete
  bridge: multicast: add a comment to br_port_state_selection about blocking state
  net: inet_diag: export IPV6_V6ONLY sockopt
  stmmac: troubleshoot unexpected bits in des0 & des1
  net: ipv4 sysctl option to ignore routes when nexthop link is down
  net: track link-status of ipv4 nexthops
  net: switchdev: ignore unsupported bridge flags
  net: Cavium: Fix MAC address setting in shutdown state
  drivers: net: xgene: fix for ACPI support without ACPI
  ip: report the original address of ICMP messages
  net/mlx5e: Prefetch skb data on RX
  net/mlx5e: Pop cq outside mlx5e_get_cqe
  net/mlx5e: Remove mlx5e_cq.sqrq back-pointer
  net/mlx5e: Remove extra spaces
  net/mlx5e: Avoid TX CQE generation if more xmit packets expected
  net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion
  net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()
  net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them
  net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues
  net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device
  ...

1 files changed, 91 insertions, 160 deletions

diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index 93d10cbbd1cf..31ff9084d9a4 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -381,6 +381,7 @@ enum {
  * @efx: Pointer back to main interface structure
  * @wol_filter_id: Wake-on-LAN packet filter id
  * @stats: Hardware statistics
+ * @vf: Array of &struct siena_vf objects
  * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
  * @vfdi_status: Common VFDI status page to be dmad to VF address space.
  * @local_addr_list: List of local addresses. Protected by %local_lock.
@@ -394,6 +395,7 @@ struct siena_nic_data {
 	int wol_filter_id;
 	u64 stats[SIENA_STAT_COUNT];
 #ifdef CONFIG_SFC_SRIOV
+	struct siena_vf *vf;
 	struct efx_channel *vfdi_channel;
 	unsigned vf_buftbl_base;
 	struct efx_buffer vfdi_status;
@@ -405,59 +407,77 @@ struct siena_nic_data {
 };
 
 enum {
-	EF10_STAT_tx_bytes = GENERIC_STAT_COUNT,
-	EF10_STAT_tx_packets,
-	EF10_STAT_tx_pause,
-	EF10_STAT_tx_control,
-	EF10_STAT_tx_unicast,
-	EF10_STAT_tx_multicast,
-	EF10_STAT_tx_broadcast,
-	EF10_STAT_tx_lt64,
-	EF10_STAT_tx_64,
-	EF10_STAT_tx_65_to_127,
-	EF10_STAT_tx_128_to_255,
-	EF10_STAT_tx_256_to_511,
-	EF10_STAT_tx_512_to_1023,
-	EF10_STAT_tx_1024_to_15xx,
-	EF10_STAT_tx_15xx_to_jumbo,
-	EF10_STAT_rx_bytes,
-	EF10_STAT_rx_bytes_minus_good_bytes,
-	EF10_STAT_rx_good_bytes,
-	EF10_STAT_rx_bad_bytes,
-	EF10_STAT_rx_packets,
-	EF10_STAT_rx_good,
-	EF10_STAT_rx_bad,
-	EF10_STAT_rx_pause,
-	EF10_STAT_rx_control,
+	EF10_STAT_port_tx_bytes = GENERIC_STAT_COUNT,
+	EF10_STAT_port_tx_packets,
+	EF10_STAT_port_tx_pause,
+	EF10_STAT_port_tx_control,
+	EF10_STAT_port_tx_unicast,
+	EF10_STAT_port_tx_multicast,
+	EF10_STAT_port_tx_broadcast,
+	EF10_STAT_port_tx_lt64,
+	EF10_STAT_port_tx_64,
+	EF10_STAT_port_tx_65_to_127,
+	EF10_STAT_port_tx_128_to_255,
+	EF10_STAT_port_tx_256_to_511,
+	EF10_STAT_port_tx_512_to_1023,
+	EF10_STAT_port_tx_1024_to_15xx,
+	EF10_STAT_port_tx_15xx_to_jumbo,
+	EF10_STAT_port_rx_bytes,
+	EF10_STAT_port_rx_bytes_minus_good_bytes,
+	EF10_STAT_port_rx_good_bytes,
+	EF10_STAT_port_rx_bad_bytes,
+	EF10_STAT_port_rx_packets,
+	EF10_STAT_port_rx_good,
+	EF10_STAT_port_rx_bad,
+	EF10_STAT_port_rx_pause,
+	EF10_STAT_port_rx_control,
+	EF10_STAT_port_rx_unicast,
+	EF10_STAT_port_rx_multicast,
+	EF10_STAT_port_rx_broadcast,
+	EF10_STAT_port_rx_lt64,
+	EF10_STAT_port_rx_64,
+	EF10_STAT_port_rx_65_to_127,
+	EF10_STAT_port_rx_128_to_255,
+	EF10_STAT_port_rx_256_to_511,
+	EF10_STAT_port_rx_512_to_1023,
+	EF10_STAT_port_rx_1024_to_15xx,
+	EF10_STAT_port_rx_15xx_to_jumbo,
+	EF10_STAT_port_rx_gtjumbo,
+	EF10_STAT_port_rx_bad_gtjumbo,
+	EF10_STAT_port_rx_overflow,
+	EF10_STAT_port_rx_align_error,
+	EF10_STAT_port_rx_length_error,
+	EF10_STAT_port_rx_nodesc_drops,
+	EF10_STAT_port_rx_pm_trunc_bb_overflow,
+	EF10_STAT_port_rx_pm_discard_bb_overflow,
+	EF10_STAT_port_rx_pm_trunc_vfifo_full,
+	EF10_STAT_port_rx_pm_discard_vfifo_full,
+	EF10_STAT_port_rx_pm_trunc_qbb,
+	EF10_STAT_port_rx_pm_discard_qbb,
+	EF10_STAT_port_rx_pm_discard_mapping,
+	EF10_STAT_port_rx_dp_q_disabled_packets,
+	EF10_STAT_port_rx_dp_di_dropped_packets,
+	EF10_STAT_port_rx_dp_streaming_packets,
+	EF10_STAT_port_rx_dp_hlb_fetch,
+	EF10_STAT_port_rx_dp_hlb_wait,
 	EF10_STAT_rx_unicast,
+	EF10_STAT_rx_unicast_bytes,
 	EF10_STAT_rx_multicast,
+	EF10_STAT_rx_multicast_bytes,
 	EF10_STAT_rx_broadcast,
-	EF10_STAT_rx_lt64,
-	EF10_STAT_rx_64,
-	EF10_STAT_rx_65_to_127,
-	EF10_STAT_rx_128_to_255,
-	EF10_STAT_rx_256_to_511,
-	EF10_STAT_rx_512_to_1023,
-	EF10_STAT_rx_1024_to_15xx,
-	EF10_STAT_rx_15xx_to_jumbo,
-	EF10_STAT_rx_gtjumbo,
-	EF10_STAT_rx_bad_gtjumbo,
+	EF10_STAT_rx_broadcast_bytes,
+	EF10_STAT_rx_bad,
+	EF10_STAT_rx_bad_bytes,
 	EF10_STAT_rx_overflow,
-	EF10_STAT_rx_align_error,
-	EF10_STAT_rx_length_error,
-	EF10_STAT_rx_nodesc_drops,
-	EF10_STAT_rx_pm_trunc_bb_overflow,
-	EF10_STAT_rx_pm_discard_bb_overflow,
-	EF10_STAT_rx_pm_trunc_vfifo_full,
-	EF10_STAT_rx_pm_discard_vfifo_full,
-	EF10_STAT_rx_pm_trunc_qbb,
-	EF10_STAT_rx_pm_discard_qbb,
-	EF10_STAT_rx_pm_discard_mapping,
-	EF10_STAT_rx_dp_q_disabled_packets,
-	EF10_STAT_rx_dp_di_dropped_packets,
-	EF10_STAT_rx_dp_streaming_packets,
-	EF10_STAT_rx_dp_hlb_fetch,
-	EF10_STAT_rx_dp_hlb_wait,
+	EF10_STAT_tx_unicast,
+	EF10_STAT_tx_unicast_bytes,
+	EF10_STAT_tx_multicast,
+	EF10_STAT_tx_multicast_bytes,
+	EF10_STAT_tx_broadcast,
+	EF10_STAT_tx_broadcast_bytes,
+	EF10_STAT_tx_bad,
+	EF10_STAT_tx_bad_bytes,
+	EF10_STAT_tx_overflow,
 	EF10_STAT_COUNT
 };
 
@@ -483,12 +503,21 @@ enum {
  * @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC
  *	reboot
  * @rx_rss_context: Firmware handle for our RSS context
+ * @rx_rss_context_exclusive: Whether our RSS context is exclusive or shared
  * @stats: Hardware statistics
  * @workaround_35388: Flag: firmware supports workaround for bug 35388
  * @must_check_datapath_caps: Flag: @datapath_caps needs to be revalidated
  *	after MC reboot
  * @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of
  *	%MC_CMD_GET_CAPABILITIES response)
+ * @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
+ * @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
+ * @vport_id: The function's vport ID, only relevant for PFs
+ * @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
+ * @pf_index: The number for this PF, or the parent PF if this is a VF
+#ifdef CONFIG_SFC_SRIOV
+ * @vf: Pointer to VF data structure
+#endif
  */
 struct efx_ef10_nic_data {
 	struct efx_buffer mcdi_buf;
@@ -503,126 +532,27 @@ struct efx_ef10_nic_data {
 	unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT];
 	bool must_restore_piobufs;
 	u32 rx_rss_context;
+	bool rx_rss_context_exclusive;
 	u64 stats[EF10_STAT_COUNT];
 	bool workaround_35388;
 	bool must_check_datapath_caps;
 	u32 datapath_caps;
-};
-
-/*
- * On the SFC9000 family each port is associated with 1 PCI physical
- * function (PF) handled by sfc and a configurable number of virtual
- * functions (VFs) that may be handled by some other driver, often in
- * a VM guest.  The queue pointer registers are mapped in both PF and
- * VF BARs such that an 8K region provides access to a single RX, TX
- * and event queue (collectively a Virtual Interface, VI or VNIC).
- *
- * The PF has access to all 1024 VIs while VFs are mapped to VIs
- * according to VI_BASE and VI_SCALE: VF i has access to VIs numbered
- * in range [VI_BASE + i << VI_SCALE, VI_BASE + i + 1 << VI_SCALE).
- * The number of VIs and the VI_SCALE value are configurable but must
- * be established at boot time by firmware.
- */
-
-/* Maximum VI_SCALE parameter supported by Siena */
-#define EFX_VI_SCALE_MAX 6
-/* Base VI to use for SR-IOV. Must be aligned to (1 << EFX_VI_SCALE_MAX),
- * so this is the smallest allowed value. */
-#define EFX_VI_BASE 128U
-/* Maximum number of VFs allowed */
-#define EFX_VF_COUNT_MAX 127
-/* Limit EVQs on VFs to be only 8k to reduce buffer table reservation */
-#define EFX_MAX_VF_EVQ_SIZE 8192UL
-/* The number of buffer table entries reserved for each VI on a VF */
-#define EFX_VF_BUFTBL_PER_VI					\
-	((EFX_MAX_VF_EVQ_SIZE + 2 * EFX_MAX_DMAQ_SIZE) *	\
-	 sizeof(efx_qword_t) / EFX_BUF_SIZE)
-
+	unsigned int rx_dpcpu_fw_id;
+	unsigned int tx_dpcpu_fw_id;
+	unsigned int vport_id;
+	bool must_probe_vswitching;
+	unsigned int pf_index;
+	u8 port_id[ETH_ALEN];
 #ifdef CONFIG_SFC_SRIOV
-
-/* SIENA */
-static inline bool efx_siena_sriov_wanted(struct efx_nic *efx)
-{
-	return efx->vf_count != 0;
-}
-
-static inline bool efx_siena_sriov_enabled(struct efx_nic *efx)
-{
-	return efx->vf_init_count != 0;
-}
-
-static inline unsigned int efx_vf_size(struct efx_nic *efx)
-{
-	return 1 << efx->vi_scale;
-}
+	unsigned int vf_index;
+	struct ef10_vf *vf;
+#endif
+	u8 vport_mac[ETH_ALEN];
+};
 
 int efx_init_sriov(void);
-void efx_siena_sriov_probe(struct efx_nic *efx);
-int efx_siena_sriov_init(struct efx_nic *efx);
-void efx_siena_sriov_mac_address_changed(struct efx_nic *efx);
-void efx_siena_sriov_tx_flush_done(struct efx_nic *efx, efx_qword_t *event);
-void efx_siena_sriov_rx_flush_done(struct efx_nic *efx, efx_qword_t *event);
-void efx_siena_sriov_event(struct efx_channel *channel, efx_qword_t *event);
-void efx_siena_sriov_desc_fetch_err(struct efx_nic *efx, unsigned dmaq);
-void efx_siena_sriov_flr(struct efx_nic *efx, unsigned flr);
-void efx_siena_sriov_reset(struct efx_nic *efx);
-void efx_siena_sriov_fini(struct efx_nic *efx);
 void efx_fini_sriov(void);
 
-/* EF10 */
-static inline bool efx_ef10_sriov_wanted(struct efx_nic *efx) { return false; }
-static inline int efx_ef10_sriov_init(struct efx_nic *efx) { return -EOPNOTSUPP; }
-static inline void efx_ef10_sriov_mac_address_changed(struct efx_nic *efx) {}
-static inline void efx_ef10_sriov_reset(struct efx_nic *efx) {}
-static inline void efx_ef10_sriov_fini(struct efx_nic *efx) {}
-
-#else
-
-/* SIENA */
-static inline bool efx_siena_sriov_wanted(struct efx_nic *efx) { return false; }
-static inline bool efx_siena_sriov_enabled(struct efx_nic *efx) { return false; }
-static inline unsigned int efx_vf_size(struct efx_nic *efx) { return 0; }
-static inline int efx_init_sriov(void) { return 0; }
-static inline void efx_siena_sriov_probe(struct efx_nic *efx) {}
-static inline int efx_siena_sriov_init(struct efx_nic *efx) { return -EOPNOTSUPP; }
-static inline void efx_siena_sriov_mac_address_changed(struct efx_nic *efx) {}
-static inline void efx_siena_sriov_tx_flush_done(struct efx_nic *efx,
-						 efx_qword_t *event) {}
-static inline void efx_siena_sriov_rx_flush_done(struct efx_nic *efx,
-						 efx_qword_t *event) {}
-static inline void efx_siena_sriov_event(struct efx_channel *channel,
-					 efx_qword_t *event) {}
-static inline void efx_siena_sriov_desc_fetch_err(struct efx_nic *efx,
-						  unsigned dmaq) {}
-static inline void efx_siena_sriov_flr(struct efx_nic *efx, unsigned flr) {}
-static inline void efx_siena_sriov_reset(struct efx_nic *efx) {}
-static inline void efx_siena_sriov_fini(struct efx_nic *efx) {}
-static inline void efx_fini_sriov(void) {}
-
-/* EF10 */
-static inline bool efx_ef10_sriov_wanted(struct efx_nic *efx) { return false; }
-static inline int efx_ef10_sriov_init(struct efx_nic *efx) { return -EOPNOTSUPP; }
-static inline void efx_ef10_sriov_mac_address_changed(struct efx_nic *efx) {}
-static inline void efx_ef10_sriov_reset(struct efx_nic *efx) {}
-static inline void efx_ef10_sriov_fini(struct efx_nic *efx) {}
-
-#endif
-
-/* FALCON */
-static inline bool efx_falcon_sriov_wanted(struct efx_nic *efx) { return false; }
-static inline int efx_falcon_sriov_init(struct efx_nic *efx) { return -EOPNOTSUPP; }
-static inline void efx_falcon_sriov_mac_address_changed(struct efx_nic *efx) {}
-static inline void efx_falcon_sriov_reset(struct efx_nic *efx) {}
-static inline void efx_falcon_sriov_fini(struct efx_nic *efx) {}
-
-int efx_siena_sriov_set_vf_mac(struct net_device *dev, int vf, u8 *mac);
-int efx_siena_sriov_set_vf_vlan(struct net_device *dev, int vf,
-				u16 vlan, u8 qos);
-int efx_siena_sriov_get_vf_config(struct net_device *dev, int vf,
-				  struct ifla_vf_info *ivf);
-int efx_siena_sriov_set_vf_spoofchk(struct net_device *net_dev, int vf,
-				    bool spoofchk);
-
 struct ethtool_ts_info;
 int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
 void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
@@ -654,6 +584,7 @@ extern const struct efx_nic_type falcon_a1_nic_type;
 extern const struct efx_nic_type falcon_b0_nic_type;
 extern const struct efx_nic_type siena_a0_nic_type;
 extern const struct efx_nic_type efx_hunt_a0_nic_type;
+extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
 
 /**************************************************************************
  *