1 files changed, 75 insertions, 4 deletions

diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 723bbeea5d0c..7ef823d7a89a 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -178,6 +178,7 @@ struct efx_tx_buffer {
 #define EFX_TX_BUF_OPTION	0x10	/* empty buffer for option descriptor */
 #define EFX_TX_BUF_XDP		0x20	/* buffer was sent with XDP */
 #define EFX_TX_BUF_TSO_V3	0x40	/* empty buffer for a TSO_V3 descriptor */
+#define EFX_TX_BUF_EFV		0x100	/* buffer was sent from representor */
 
 /**
  * struct efx_tx_queue - An Efx TX queue
@@ -477,6 +478,8 @@ enum efx_sync_events_state {
  * @n_rx_xdp_bad_drops: Count of RX packets dropped due to XDP errors
  * @n_rx_xdp_tx: Count of RX packets retransmitted due to XDP
  * @n_rx_xdp_redirect: Count of RX packets redirected to a different NIC by XDP
+ * @n_rx_mport_bad: Count of RX packets dropped because their ingress mport was
+ *	not recognised
  * @rx_pkt_n_frags: Number of fragments in next packet to be delivered by
  *	__efx_rx_packet(), or zero if there is none
  * @rx_pkt_index: Ring index of first buffer for next packet to be delivered
@@ -539,6 +542,7 @@ struct efx_channel {
 	unsigned int n_rx_xdp_bad_drops;
 	unsigned int n_rx_xdp_tx;
 	unsigned int n_rx_xdp_redirect;
+	unsigned int n_rx_mport_bad;
 
 	unsigned int rx_pkt_n_frags;
 	unsigned int rx_pkt_index;
@@ -622,12 +626,55 @@ enum efx_int_mode {
 #define EFX_INT_MODE_USE_MSI(x) (((x)->interrupt_mode) <= EFX_INT_MODE_MSI)
 
 enum nic_state {
-	STATE_UNINIT = 0,	/* device being probed/removed or is frozen */
-	STATE_READY = 1,	/* hardware ready and netdev registered */
-	STATE_DISABLED = 2,	/* device disabled due to hardware errors */
-	STATE_RECOVERY = 3,	/* device recovering from PCI error */
+	STATE_UNINIT = 0,	/* device being probed/removed */
+	STATE_PROBED,		/* hardware probed */
+	STATE_NET_DOWN,		/* netdev registered */
+	STATE_NET_UP,		/* ready for traffic */
+	STATE_DISABLED,		/* device disabled due to hardware errors */
+
+	STATE_RECOVERY = 0x100,/* recovering from PCI error */
+	STATE_FROZEN = 0x200,	/* frozen by power management */
 };
 
+static inline bool efx_net_active(enum nic_state state)
+{
+	return state == STATE_NET_DOWN || state == STATE_NET_UP;
+}
+
+static inline bool efx_frozen(enum nic_state state)
+{
+	return state & STATE_FROZEN;
+}
+
+static inline bool efx_recovering(enum nic_state state)
+{
+	return state & STATE_RECOVERY;
+}
+
+static inline enum nic_state efx_freeze(enum nic_state state)
+{
+	WARN_ON(!efx_net_active(state));
+	return state | STATE_FROZEN;
+}
+
+static inline enum nic_state efx_thaw(enum nic_state state)
+{
+	WARN_ON(!efx_frozen(state));
+	return state & ~STATE_FROZEN;
+}
+
+static inline enum nic_state efx_recover(enum nic_state state)
+{
+	WARN_ON(!efx_net_active(state));
+	return state | STATE_RECOVERY;
+}
+
+static inline enum nic_state efx_recovered(enum nic_state state)
+{
+	WARN_ON(!efx_recovering(state));
+	return state & ~STATE_RECOVERY;
+}
+
 /* Forward declaration */
 struct efx_nic;
 
@@ -923,12 +970,15 @@ enum efx_xdp_tx_queues_mode {
  * @vf_count: Number of VFs intended to be enabled.
  * @vf_init_count: Number of VFs that have been fully initialised.
  * @vi_scale: log2 number of vnics per VF.
+ * @vf_reps_lock: Protects vf_reps list
+ * @vf_reps: local VF reps
  * @ptp_data: PTP state data
  * @ptp_warned: has this NIC seen and warned about unexpected PTP events?
  * @vpd_sn: Serial number read from VPD
  * @xdp_rxq_info_failed: Have any of the rx queues failed to initialise their
  *      xdp_rxq_info structures?
  * @netdev_notifier: Netdevice notifier.
+ * @tc: state for TC offload (EF100).
  * @mem_bar: The BAR that is mapped into membase.
  * @reg_base: Offset from the start of the bar to the function control window.
  * @monitor_work: Hardware monitor workitem
@@ -1102,6 +1152,8 @@ struct efx_nic {
 	unsigned vf_init_count;
 	unsigned vi_scale;
 #endif
+	spinlock_t vf_reps_lock;
+	struct list_head vf_reps;
 
 	struct efx_ptp_data *ptp_data;
 	bool ptp_warned;
@@ -1110,6 +1162,7 @@ struct efx_nic {
 	bool xdp_rxq_info_failed;
 
 	struct notifier_block netdev_notifier;
+	struct efx_tc_state *tc;
 
 	unsigned int mem_bar;
 	u32 reg_base;
@@ -1123,6 +1176,24 @@ struct efx_nic {
 	atomic_t n_rx_noskb_drops;
 };
 
+/**
+ * struct efx_probe_data - State after hardware probe
+ * @pci_dev: The PCI device
+ * @efx: Efx NIC details
+ */
+struct efx_probe_data {
+	struct pci_dev *pci_dev;
+	struct efx_nic efx;
+};
+
+static inline struct efx_nic *efx_netdev_priv(struct net_device *dev)
+{
+	struct efx_probe_data **probe_ptr = netdev_priv(dev);
+	struct efx_probe_data *probe_data = *probe_ptr;
+
+	return &probe_data->efx;
+}
+
 static inline int efx_dev_registered(struct efx_nic *efx)
 {
 	return efx->net_dev->reg_state == NETREG_REGISTERED;