ice: Add handlers for VF netdevice operations

This patch implements handlers for the following NDO operations:

.ndo_set_vf_spoofchk
.ndo_set_vf_mac
.ndo_get_vf_config
.ndo_set_vf_trust
.ndo_set_vf_vlan
.ndo_set_vf_link_state
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h

@@ -474,4 +474,16 @@ static inline struct ice_rx_ptype_decoded ice_decode_rx_desc_ptype(u16 ptype)
 {
 	return ice_ptype_lkup[ptype];
 }
+
+#define ICE_LINK_SPEED_UNKNOWN		0
+#define ICE_LINK_SPEED_10MBPS		10
+#define ICE_LINK_SPEED_100MBPS		100
+#define ICE_LINK_SPEED_1000MBPS		1000
+#define ICE_LINK_SPEED_2500MBPS		2500
+#define ICE_LINK_SPEED_5000MBPS		5000
+#define ICE_LINK_SPEED_10000MBPS	10000
+#define ICE_LINK_SPEED_20000MBPS	20000
+#define ICE_LINK_SPEED_25000MBPS	25000
+#define ICE_LINK_SPEED_40000MBPS	40000
+
 #endif /* _ICE_LAN_TX_RX_H_ */

drivers/net/ethernet/intel/ice/ice_main.c

@@ -3884,6 +3884,12 @@ static const struct net_device_ops ice_netdev_ops = {
 	.ndo_validate_addr = eth_validate_addr,
 	.ndo_change_mtu = ice_change_mtu,
 	.ndo_get_stats64 = ice_get_stats64,
+	.ndo_set_vf_spoofchk = ice_set_vf_spoofchk,
+	.ndo_set_vf_mac = ice_set_vf_mac,
+	.ndo_get_vf_config = ice_get_vf_cfg,
+	.ndo_set_vf_trust = ice_set_vf_trust,
+	.ndo_set_vf_vlan = ice_set_vf_port_vlan,
+	.ndo_set_vf_link_state = ice_set_vf_link_state,
 	.ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid,
 	.ndo_set_features = ice_set_features,

drivers/net/ethernet/intel/ice/ice_sriov.c

@@ -39,3 +39,89 @@ ice_aq_send_msg_to_vf(struct ice_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval,
 
 	return ice_sq_send_cmd(hw, &hw->mailboxq, &desc, msg, msglen, cd);
 }
+
+/**
+ * ice_conv_link_speed_to_virtchnl
+ * @adv_link_support: determines the format of the returned link speed
+ * @link_speed: variable containing the link_speed to be converted
+ *
+ * Convert link speed supported by HW to link speed supported by virtchnl.
+ * If adv_link_support is true, then return link speed in Mbps.  Else return
+ * link speed as a VIRTCHNL_LINK_SPEED_* casted to a u32. Note that the caller
+ * needs to cast back to an enum virtchnl_link_speed in the case where
+ * adv_link_support is false, but when adv_link_support is true the caller can
+ * expect the speed in Mbps.
+ */
+u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed)
+{
+	u32 speed;
+
+	if (adv_link_support)
+		switch (link_speed) {
+		case ICE_AQ_LINK_SPEED_10MB:
+			speed = ICE_LINK_SPEED_10MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_100MB:
+			speed = ICE_LINK_SPEED_100MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_1000MB:
+			speed = ICE_LINK_SPEED_1000MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_2500MB:
+			speed = ICE_LINK_SPEED_2500MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_5GB:
+			speed = ICE_LINK_SPEED_5000MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_10GB:
+			speed = ICE_LINK_SPEED_10000MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_20GB:
+			speed = ICE_LINK_SPEED_20000MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_25GB:
+			speed = ICE_LINK_SPEED_25000MBPS;
+			break;
+		case ICE_AQ_LINK_SPEED_40GB:
+			speed = ICE_LINK_SPEED_40000MBPS;
+			break;
+		default:
+			speed = ICE_LINK_SPEED_UNKNOWN;
+			break;
+		}
+	else
+		/* Virtchnl speeds are not defined for every speed supported in
+		 * the hardware. To maintain compatibility with older AVF
+		 * drivers, while reporting the speed the new speed values are
+		 * resolved to the closest known virtchnl speeds
+		 */
+		switch (link_speed) {
+		case ICE_AQ_LINK_SPEED_10MB:
+		case ICE_AQ_LINK_SPEED_100MB:
+			speed = (u32)VIRTCHNL_LINK_SPEED_100MB;
+			break;
+		case ICE_AQ_LINK_SPEED_1000MB:
+		case ICE_AQ_LINK_SPEED_2500MB:
+		case ICE_AQ_LINK_SPEED_5GB:
+			speed = (u32)VIRTCHNL_LINK_SPEED_1GB;
+			break;
+		case ICE_AQ_LINK_SPEED_10GB:
+			speed = (u32)VIRTCHNL_LINK_SPEED_10GB;
+			break;
+		case ICE_AQ_LINK_SPEED_20GB:
+			speed = (u32)VIRTCHNL_LINK_SPEED_20GB;
+			break;
+		case ICE_AQ_LINK_SPEED_25GB:
+			speed = (u32)VIRTCHNL_LINK_SPEED_25GB;
+			break;
+		case ICE_AQ_LINK_SPEED_40GB:
+			/* fall through */
+			speed = (u32)VIRTCHNL_LINK_SPEED_40GB;
+			break;
+		default:
+			speed = (u32)VIRTCHNL_LINK_SPEED_UNKNOWN;
+			break;
+		}
+
+	return speed;
+}

drivers/net/ethernet/intel/ice/ice_sriov.h

@@ -11,6 +11,7 @@ enum ice_status
 ice_aq_send_msg_to_vf(struct ice_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval,
 		      u8 *msg, u16 msglen, struct ice_sq_cd *cd);
 
+u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed);
 #else /* CONFIG_PCI_IOV */
 static inline enum ice_status
 ice_aq_send_msg_to_vf(struct ice_hw __always_unused *hw,
@@ -21,5 +22,13 @@ ice_aq_send_msg_to_vf(struct ice_hw __always_unused *hw,
 {
 	return 0;
 }
+
+static inline u32
+ice_conv_link_speed_to_virtchnl(bool __always_unused adv_link_support,
+				u16 __always_unused link_speed)
+{
+	return 0;
+}
+
 #endif /* CONFIG_PCI_IOV */
 #endif /* _ICE_SRIOV_H_ */

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h

@@ -5,6 +5,11 @@
 #define _ICE_VIRTCHNL_PF_H_
 #include "ice.h"
 
+#define ICE_MAX_VLANID			4095
+#define ICE_VLAN_PRIORITY_S		12
+#define ICE_VLAN_M			0xFFF
+#define ICE_PRIORITY_M			0x7000
+
 /* Static VF transaction/status register def */
 #define VF_DEVICE_STATUS		0xAA
 #define VF_TRANS_PENDING_M		0x20
@@ -36,15 +41,20 @@ struct ice_vf {
 	struct ice_pf *pf;
 
 	s16 vf_id;			/* VF id in the PF space */
+	u32 driver_caps;		/* reported by VF driver */
 	int first_vector_idx;		/* first vector index of this VF */
 	struct ice_sw *vf_sw_id;	/* switch id the VF VSIs connect to */
 	struct virtchnl_ether_addr dflt_lan_addr;
 	u16 port_vlan_id;
+	u8 pf_set_mac;			/* VF MAC address set by VMM admin */
 	u8 trusted;
 	u16 lan_vsi_idx;		/* index into PF struct */
 	u16 lan_vsi_num;		/* ID as used by firmware */
 	unsigned long vf_caps;		/* vf's adv. capabilities */
 	DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS);	/* VF runtime states */
+	unsigned int tx_rate;		/* Tx bandwidth limit in Mbps */
+	u8 link_forced;
+	u8 link_up;			/* only valid if VF link is forced */
 	u8 spoofchk;
 	u16 num_mac;
 	u16 num_vlan;
@@ -53,14 +63,29 @@ struct ice_vf {
 #ifdef CONFIG_PCI_IOV
 void ice_process_vflr_event(struct ice_pf *pf);
 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
+int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
+int ice_get_vf_cfg(struct net_device *netdev, int vf_id,
+		   struct ifla_vf_info *ivi);
+
 void ice_free_vfs(struct ice_pf *pf);
 void ice_vc_notify_reset(struct ice_pf *pf);
 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
+
+int ice_set_vf_port_vlan(struct net_device *netdev, int vf_id,
+			 u16 vlan_id, u8 qos, __be16 vlan_proto);
+
+int ice_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
+		  int max_tx_rate);
+
+int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
+
+int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
+
+int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
 #else /* CONFIG_PCI_IOV */
 #define ice_process_vflr_event(pf) do {} while (0)
 #define ice_free_vfs(pf) do {} while (0)
 #define ice_vc_notify_reset(pf) do {} while (0)
-
 static inline bool
 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 		  bool __always_unused is_vflr)
@@ -74,5 +99,57 @@ ice_sriov_configure(struct pci_dev __always_unused *pdev,
 {
 	return -EOPNOTSUPP;
 }
+
+static inline int
+ice_set_vf_mac(struct net_device __always_unused *netdev,
+	       int __always_unused vf_id, u8 __always_unused *mac)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_get_vf_cfg(struct net_device __always_unused *netdev,
+	       int __always_unused vf_id,
+	       struct ifla_vf_info __always_unused *ivi)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_set_vf_trust(struct net_device __always_unused *netdev,
+		 int __always_unused vf_id, bool __always_unused trusted)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
+		     int __always_unused vf_id, u16 __always_unused vid,
+		     u8 __always_unused qos, __be16 __always_unused v_proto)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
+		    int __always_unused vf_id, bool __always_unused ena)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_set_vf_link_state(struct net_device __always_unused *netdev,
+		      int __always_unused vf_id, int __always_unused link_state)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_set_vf_bw(struct net_device __always_unused *netdev,
+	      int __always_unused vf_id, int __always_unused min_tx_rate,
+	      int __always_unused max_tx_rate)
+{
+	return -EOPNOTSUPP;
+}
 #endif /* CONFIG_PCI_IOV */
 #endif /* _ICE_VIRTCHNL_PF_H_ */