@@ -52,6 +52,28 @@
* and decapsulation of Ethernet packets
*/
+#include <linux/types.h>
+#include <rdma/ib_mad.h>
+
+/* EMA class version */
+#define OPA_EMA_CLASS_VERSION 0x80
+
+/*
+ * Define the Intel vendor management class for OPA
+ * ETHERNET MANAGEMENT
+ */
+#define OPA_MGMT_CLASS_INTEL_EMA 0x34
+
+/* EM attribute IDs */
+#define OPA_EM_ATTR_CLASS_PORT_INFO 0x0001
+#define OPA_EM_ATTR_VESWPORT_INFO 0x0011
+#define OPA_EM_ATTR_VESWPORT_MAC_ENTRIES 0x0012
+#define OPA_EM_ATTR_IFACE_UCAST_MACS 0x0013
+#define OPA_EM_ATTR_IFACE_MCAST_MACS 0x0014
+#define OPA_EM_ATTR_DELETE_VESW 0x0015
+#define OPA_EM_ATTR_VESWPORT_SUMMARY_COUNTERS 0x0020
+#define OPA_EM_ATTR_VESWPORT_ERROR_COUNTERS 0x0022
+
/* VNIC configured and operational state values */
#define OPA_VNIC_STATE_DROP_ALL 0x1
#define OPA_VNIC_STATE_FORWARDING 0x3
@@ -59,4 +81,405 @@
#define OPA_VESW_MAX_NUM_DEF_PORT 16
#define OPA_VNIC_MAX_NUM_PCP 8
+#define OPA_VNIC_EMA_DATA (OPA_MGMT_MAD_SIZE - IB_MGMT_VENDOR_HDR)
+
+/* Defines for vendor specific notice(trap) attributes */
+#define OPA_INTEL_EMA_NOTICE_TYPE_INFO 0x04
+
+/* INTEL OUI */
+#define INTEL_OUI_1 0x00
+#define INTEL_OUI_2 0x06
+#define INTEL_OUI_3 0x6a
+
+/* Trap opcodes sent from VNIC */
+#define OPA_VESWPORT_TRAP_IFACE_UCAST_MAC_CHANGE 0x1
+#define OPA_VESWPORT_TRAP_IFACE_MCAST_MAC_CHANGE 0x2
+#define OPA_VESWPORT_TRAP_ETH_LINK_STATUS_CHANGE 0x3
+
+#define OPA_VNIC_DLID_SD_IS_SRC_MAC(dlid_sd) (!!((dlid_sd) & 0x20))
+#define OPA_VNIC_DLID_SD_GET_DLID(dlid_sd) ((dlid_sd) >> 8)
+
+/**
+ * struct opa_vesw_info - OPA vnic switch information
+ * @fabric_id: 10-bit fabric id
+ * @vesw_id: 12-bit virtual ethernet switch id
+ * @def_port_mask: bitmask of default ports
+ * @pkey: partition key
+ * @u_mcast_dlid: unknown multicast dlid
+ * @u_ucast_dlid: array of unknown unicast dlids
+ * @eth_mtu: MTUs for each vlan PCP
+ * @eth_mtu_non_vlan: MTU for non vlan packets
+ */
+struct opa_vesw_info {
+ __be16 fabric_id;
+ __be16 vesw_id;
+
+ u8 rsvd0[6];
+ __be16 def_port_mask;
+
+ u8 rsvd1[2];
+ __be16 pkey;
+
+ u8 rsvd2[4];
+ __be32 u_mcast_dlid;
+ __be32 u_ucast_dlid[OPA_VESW_MAX_NUM_DEF_PORT];
+
+ u8 rsvd3[44];
+ __be16 eth_mtu[OPA_VNIC_MAX_NUM_PCP];
+ __be16 eth_mtu_non_vlan;
+ u8 rsvd4[2];
+} __packed;
+
+/**
+ * struct opa_per_veswport_info - OPA vnic per port information
+ * @port_num: port number
+ * @eth_link_status: current ethernet link state
+ * @base_mac_addr: base mac address
+ * @config_state: configured port state
+ * @oper_state: operational port state
+ * @max_mac_tbl_ent: max number of mac table entries
+ * @max_smac_ent: max smac entries in mac table
+ * @mac_tbl_digest: mac table digest
+ * @encap_slid: base slid for the port
+ * @pcp_to_sc_uc: sc by pcp index for unicast ethernet packets
+ * @pcp_to_vl_uc: vl by pcp index for unicast ethernet packets
+ * @pcp_to_sc_mc: sc by pcp index for multicast ethernet packets
+ * @pcp_to_vl_mc: vl by pcp index for multicast ethernet packets
+ * @non_vlan_sc_uc: sc for non-vlan unicast ethernet packets
+ * @non_vlan_vl_uc: vl for non-vlan unicast ethernet packets
+ * @non_vlan_sc_mc: sc for non-vlan multicast ethernet packets
+ * @non_vlan_vl_mc: vl for non-vlan multicast ethernet packets
+ * @uc_macs_gen_count: generation count for unicast macs list
+ * @mc_macs_gen_count: generation count for multicast macs list
+ */
+struct opa_per_veswport_info {
+ __be32 port_num;
+
+ u8 eth_link_status;
+ u8 rsvd0[3];
+
+ u8 base_mac_addr[ETH_ALEN];
+ u8 config_state;
+ u8 oper_state;
+
+ __be16 max_mac_tbl_ent;
+ __be16 max_smac_ent;
+ __be32 mac_tbl_digest;
+ u8 rsvd1[4];
+
+ __be32 encap_slid;
+
+ u8 pcp_to_sc_uc[OPA_VNIC_MAX_NUM_PCP];
+ u8 pcp_to_vl_uc[OPA_VNIC_MAX_NUM_PCP];
+ u8 pcp_to_sc_mc[OPA_VNIC_MAX_NUM_PCP];
+ u8 pcp_to_vl_mc[OPA_VNIC_MAX_NUM_PCP];
+
+ u8 non_vlan_sc_uc;
+ u8 non_vlan_vl_uc;
+ u8 non_vlan_sc_mc;
+ u8 non_vlan_vl_mc;
+
+ u8 rsvd2[48];
+
+ __be16 uc_macs_gen_count;
+ __be16 mc_macs_gen_count;
+
+ u8 rsvd3[8];
+} __packed;
+
+/**
+ * struct opa_veswport_info - OPA vnic port information
+ * @vesw: OPA vnic switch information
+ * @vport: OPA vnic per port information
+ *
+ * On host, each of the virtual ethernet ports belongs
+ * to a different virtual ethernet switches.
+ */
+struct opa_veswport_info {
+ struct opa_vesw_info vesw;
+ struct opa_per_veswport_info vport;
+};
+
+/**
+ * struct opa_veswport_mactable_entry - single entry in the forwarding table
+ * @mac_addr: MAC address
+ * @mac_addr_mask: MAC address bit mask
+ * @dlid_sd: Matching DLID and side data
+ *
+ * On the host each virtual ethernet port will have
+ * a forwarding table. These tables are used to
+ * map a MAC to a LID and other data. For more
+ * details see struct opa_veswport_mactable_entries.
+ * This is the structure of a single mactable entry
+ */
+struct opa_veswport_mactable_entry {
+ u8 mac_addr[ETH_ALEN];
+ u8 mac_addr_mask[ETH_ALEN];
+ __be32 dlid_sd;
+} __packed;
+
+/**
+ * struct opa_veswport_mactable - Forwarding table array
+ * @offset: mac table starting offset
+ * @num_entries: Number of entries to get or set
+ * @mac_tbl_digest: mac table digest
+ * @tbl_entries[]: Array of table entries
+ *
+ * The EM sends down this structure in a MAD indicating
+ * the starting offset in the forwarding table that this
+ * entry is to be loaded into and the number of entries
+ * that that this MAD instance contains
+ * The mac_tbl_digest has been added to this MAD structure. It will be set by
+ * the EM and it will be used by the EM to check if there are any
+ * discrepancies with this value and the value
+ * maintained by the EM in the case of VNIC port being deleted or unloaded
+ * A new instantiation of a VNIC will always have a value of zero.
+ * This value is stored as part of the vnic adapter structure and will be
+ * accessed by the GET and SET routines for both the mactable entries and the
+ * veswport info.
+ */
+struct opa_veswport_mactable {
+ __be16 offset;
+ __be16 num_entries;
+ __be32 mac_tbl_digest;
+ struct opa_veswport_mactable_entry tbl_entries[0];
+} __packed;
+
+/**
+ * struct opa_veswport_summary_counters - summary counters
+ * @vp_instance: vport instance on the OPA port
+ * @vesw_id: virtual ethernet switch id
+ * @veswport_num: virtual ethernet switch port number
+ * @tx_errors: transmit errors
+ * @rx_errors: receive errors
+ * @tx_packets: transmit packets
+ * @rx_packets: receive packets
+ * @tx_bytes: transmit bytes
+ * @rx_bytes: receive bytes
+ * @tx_unicast: unicast packets transmitted
+ * @tx_mcastbcast: multicast/broadcast packets transmitted
+ * @tx_untagged: non-vlan packets transmitted
+ * @tx_vlan: vlan packets transmitted
+ * @tx_64_size: transmit packet length is 64 bytes
+ * @tx_65_127: transmit packet length is >=65 and < 127 bytes
+ * @tx_128_255: transmit packet length is >=128 and < 255 bytes
+ * @tx_256_511: transmit packet length is >=256 and < 511 bytes
+ * @tx_512_1023: transmit packet length is >=512 and < 1023 bytes
+ * @tx_1024_1518: transmit packet length is >=1024 and < 1518 bytes
+ * @tx_1519_max: transmit packet length >= 1519 bytes
+ * @rx_unicast: unicast packets received
+ * @rx_mcastbcast: multicast/broadcast packets received
+ * @rx_untagged: non-vlan packets received
+ * @rx_vlan: vlan packets received
+ * @rx_64_size: received packet length is 64 bytes
+ * @rx_65_127: received packet length is >=65 and < 127 bytes
+ * @rx_128_255: received packet length is >=128 and < 255 bytes
+ * @rx_256_511: received packet length is >=256 and < 511 bytes
+ * @rx_512_1023: received packet length is >=512 and < 1023 bytes
+ * @rx_1024_1518: received packet length is >=1024 and < 1518 bytes
+ * @rx_1519_max: received packet length >= 1519 bytes
+ *
+ * All the above are counters of corresponding conditions.
+ */
+struct opa_veswport_summary_counters {
+ __be16 vp_instance;
+ __be16 vesw_id;
+ __be32 veswport_num;
+
+ __be64 tx_errors;
+ __be64 rx_errors;
+ __be64 tx_packets;
+ __be64 rx_packets;
+ __be64 tx_bytes;
+ __be64 rx_bytes;
+
+ __be64 tx_unicast;
+ __be64 tx_mcastbcast;
+
+ __be64 tx_untagged;
+ __be64 tx_vlan;
+
+ __be64 tx_64_size;
+ __be64 tx_65_127;
+ __be64 tx_128_255;
+ __be64 tx_256_511;
+ __be64 tx_512_1023;
+ __be64 tx_1024_1518;
+ __be64 tx_1519_max;
+
+ __be64 rx_unicast;
+ __be64 rx_mcastbcast;
+
+ __be64 rx_untagged;
+ __be64 rx_vlan;
+
+ __be64 rx_64_size;
+ __be64 rx_65_127;
+ __be64 rx_128_255;
+ __be64 rx_256_511;
+ __be64 rx_512_1023;
+ __be64 rx_1024_1518;
+ __be64 rx_1519_max;
+
+ __be64 reserved[16];
+} __packed;
+
+/**
+ * struct opa_veswport_error_counters - error counters
+ * @vp_instance: vport instance on the OPA port
+ * @vesw_id: virtual ethernet switch id
+ * @veswport_num: virtual ethernet switch port number
+ * @tx_errors: transmit errors
+ * @rx_errors: receive errors
+ * @tx_smac_filt: smac filter errors
+ * @tx_dlid_zero: transmit packets with invalid dlid
+ * @tx_logic: other transmit errors
+ * @tx_drop_state: packet tansmission in non-forward port state
+ * @rx_bad_veswid: received packet with invalid vesw id
+ * @rx_runt: received ethernet packet with length < 64 bytes
+ * @rx_oversize: received ethernet packet with length > MTU size
+ * @rx_eth_down: received packets when interface is down
+ * @rx_drop_state: received packets in non-forwarding port state
+ * @rx_logic: other receive errors
+ *
+ * All the above are counters of corresponding erorr conditions.
+ */
+struct opa_veswport_error_counters {
+ __be16 vp_instance;
+ __be16 vesw_id;
+ __be32 veswport_num;
+
+ __be64 tx_errors;
+ __be64 rx_errors;
+
+ __be64 rsvd0;
+ __be64 tx_smac_filt;
+ __be64 rsvd1;
+ __be64 rsvd2;
+ __be64 rsvd3;
+ __be64 tx_dlid_zero;
+ __be64 rsvd4;
+ __be64 tx_logic;
+ __be64 rsvd5;
+ __be64 tx_drop_state;
+
+ __be64 rx_bad_veswid;
+ __be64 rsvd6;
+ __be64 rx_runt;
+ __be64 rx_oversize;
+ __be64 rsvd7;
+ __be64 rx_eth_down;
+ __be64 rx_drop_state;
+ __be64 rx_logic;
+ __be64 rsvd8;
+
+ __be64 rsvd9[16];
+} __packed;
+
+/**
+ * struct opa_veswport_trap - Trap message sent to EM by VNIC
+ * @fabric_id: 10 bit fabric id
+ * @veswid: 12 bit virtual ethernet switch id
+ * @veswportnum: logical port number on the Virtual switch
+ * @opaportnum: physical port num (redundant on host)
+ * @veswportindex: switch port index on opa port 0 based
+ * @opcode: operation
+ * @reserved: 32 bit for alignment
+ *
+ * The VNIC will send trap messages to the Ethernet manager to
+ * inform it about changes to the VNIC config, behaviour etc.
+ * This is the format of the trap payload.
+ */
+struct opa_veswport_trap {
+ __be16 fabric_id;
+ __be16 veswid;
+ __be32 veswportnum;
+ __be16 opaportnum;
+ u8 veswportindex;
+ u8 opcode;
+ __be32 reserved;
+} __packed;
+
+/**
+ * struct opa_vnic_iface_macs_entry - single entry in the mac list
+ * @mac_addr: MAC address
+ */
+struct opa_vnic_iface_mac_entry {
+ u8 mac_addr[ETH_ALEN];
+};
+
+/**
+ * struct opa_veswport_iface_macs - Msg to set globally administered MAC
+ * @start_idx: position of first entry (0 based)
+ * @num_macs_in_msg: number of MACs in this message
+ * @tot_macs_in_lst: The total number of MACs the agent has
+ * @gen_count: gen_count to indicate change
+ * @entry: The mac list entry
+ *
+ * Same attribute IDS and attribute modifiers as in locally administered
+ * addresses used to set globally administered addresses
+ */
+struct opa_veswport_iface_macs {
+ __be16 start_idx;
+ __be16 num_macs_in_msg;
+ __be16 tot_macs_in_lst;
+ __be16 gen_count;
+ struct opa_vnic_iface_mac_entry entry[0];
+} __packed;
+
+/**
+ * struct opa_vnic_vema_mad - Generic VEMA MAD
+ * @mad_hdr: Generic MAD header
+ * @rmpp_hdr: RMPP header for vendor specific MADs
+ * @oui: Unique org identifier
+ * @data: MAD data
+ */
+struct opa_vnic_vema_mad {
+ struct ib_mad_hdr mad_hdr;
+ struct ib_rmpp_hdr rmpp_hdr;
+ u8 reserved;
+ u8 oui[3];
+ u8 data[OPA_VNIC_EMA_DATA];
+};
+
+/**
+ * struct opa_vnic_notice_attr - Generic Notice MAD
+ * @gen_type: Generic/Specific bit and type of notice
+ * @oui_1: Vendor ID byte 1
+ * @oui_2: Vendor ID byte 2
+ * @oui_3: Vendor ID byte 3
+ * @trap_num: Trap number
+ * @toggle_count: Notice toggle bit and count value
+ * @issuer_lid: Trap issuer's lid
+ * @issuer_gid: Issuer GID (only if Report method)
+ * @raw_data: Trap message body
+ */
+struct opa_vnic_notice_attr {
+ u8 gen_type;
+ u8 oui_1;
+ u8 oui_2;
+ u8 oui_3;
+ __be16 trap_num;
+ __be16 toggle_count;
+ __be32 issuer_lid;
+ __be32 reserved;
+ u8 issuer_gid[16];
+ u8 raw_data[64];
+} __packed;
+
+/**
+ * struct opa_vnic_vema_mad_trap - Generic VEMA MAD Trap
+ * @mad_hdr: Generic MAD header
+ * @rmpp_hdr: RMPP header for vendor specific MADs
+ * @oui: Unique org identifier
+ * @notice: Notice structure
+ */
+struct opa_vnic_vema_mad_trap {
+ struct ib_mad_hdr mad_hdr;
+ struct ib_rmpp_hdr rmpp_hdr;
+ u8 reserved;
+ u8 oui[3];
+ struct opa_vnic_notice_attr notice;
+};
+
#endif /* _OPA_VNIC_ENCAP_H */
@@ -72,6 +72,8 @@
/**
* struct __opa_vesw_info - OPA vnic virtual switch info
+ *
+ * Same as opa_vesw_info without bitwise attribute.
*/
struct __opa_vesw_info {
u16 fabric_id;
@@ -95,6 +97,8 @@ struct __opa_vesw_info {
/**
* struct __opa_per_veswport_info - OPA vnic per port info
+ *
+ * Same as opa_per_veswport_info without bitwise attribute.
*/
struct __opa_per_veswport_info {
u32 port_num;
@@ -133,6 +137,8 @@ struct __opa_per_veswport_info {
/**
* struct __opa_veswport_info - OPA vnic port info
+ *
+ * Same as opa_veswport_info without bitwise attribute.
*/
struct __opa_veswport_info {
struct __opa_vesw_info vesw;
@@ -140,6 +146,21 @@ struct __opa_veswport_info {
};
/**
+ * struct __opa_veswport_trap - OPA vnic trap info
+ *
+ * Same as opa_veswport_trap without bitwise attribute.
+ */
+struct __opa_veswport_trap {
+ u16 fabric_id;
+ u16 veswid;
+ u32 veswportnum;
+ u16 opaportnum;
+ u8 veswportindex;
+ u8 opcode;
+ u32 reserved;
+} __packed;
+
+/**
* struct opa_vnic_adapter - OPA VNIC netdev private data structure
* @netdev: pointer to associated netdev
* @ibdev: ib device
@@ -175,6 +196,18 @@ struct opa_vnic_adapter {
#define v_warn(format, arg...) \
netdev_warn(adapter->netdev, format, ## arg)
+/* The maximum allowed entries in the mac table */
+#define OPA_VNIC_MAC_TBL_MAX_ENTRIES 2048
+/* Limit of smac entries in mac table */
+#define OPA_VNIC_MAX_SMAC_LIMIT 256
+
+/* The last octet of the MAC address is used as the key to the hash table */
+#define OPA_VNIC_MAC_HASH_IDX 5
+
+/* The VNIC MAC hash table is of size 2^8 */
+#define OPA_VNIC_MAC_TBL_HASH_BITS 8
+#define OPA_VNIC_MAC_TBL_SIZE BIT(OPA_VNIC_MAC_TBL_HASH_BITS)
+
struct opa_vnic_adapter *opa_vnic_add_netdev(struct ib_device *ibdev,
u8 port_num, u8 vport_num);
void opa_vnic_rem_netdev(struct opa_vnic_adapter *adapter);