/* Command IDs */
#define DPNI_CMDID_OPEN 0x801
#define DPNI_CMDID_CLOSE 0x800
+#define DPNI_CMDID_CREATE 0x901
+#define DPNI_CMDID_DESTROY 0x900
#define DPNI_CMDID_ENABLE 0x002
#define DPNI_CMDID_DISABLE 0x003
#define DPNI_CMD_OPEN(cmd, dpni_id) \
MC_CMD_OP(cmd, 0, 0, 32, int, dpni_id)
+/* cmd, param, offset, width, type, arg_name */
+#define DPNI_CMD_CREATE(cmd, cfg) \
+do { \
+ MC_CMD_OP(cmd, 0, 0, 8, uint8_t, cfg->adv.max_tcs); \
+ MC_CMD_OP(cmd, 0, 8, 8, uint8_t, cfg->adv.max_senders); \
+ MC_CMD_OP(cmd, 0, 16, 8, uint8_t, cfg->mac_addr[5]); \
+ MC_CMD_OP(cmd, 0, 24, 8, uint8_t, cfg->mac_addr[4]); \
+ MC_CMD_OP(cmd, 0, 32, 8, uint8_t, cfg->mac_addr[3]); \
+ MC_CMD_OP(cmd, 0, 40, 8, uint8_t, cfg->mac_addr[2]); \
+ MC_CMD_OP(cmd, 0, 48, 8, uint8_t, cfg->mac_addr[1]); \
+ MC_CMD_OP(cmd, 0, 56, 8, uint8_t, cfg->mac_addr[0]); \
+ MC_CMD_OP(cmd, 1, 0, 32, uint32_t, cfg->adv.options); \
+ MC_CMD_OP(cmd, 2, 0, 8, uint8_t, cfg->adv.max_unicast_filters); \
+ MC_CMD_OP(cmd, 2, 8, 8, uint8_t, cfg->adv.max_multicast_filters); \
+ MC_CMD_OP(cmd, 2, 16, 8, uint8_t, cfg->adv.max_vlan_filters); \
+ MC_CMD_OP(cmd, 2, 24, 8, uint8_t, cfg->adv.max_qos_entries); \
+ MC_CMD_OP(cmd, 2, 32, 8, uint8_t, cfg->adv.max_qos_key_size); \
+ MC_CMD_OP(cmd, 2, 48, 8, uint8_t, cfg->adv.max_dist_key_size); \
+ MC_CMD_OP(cmd, 2, 56, 8, enum net_prot, cfg->adv.start_hdr); \
+ MC_CMD_OP(cmd, 3, 0, 8, uint8_t, cfg->adv.max_dist_per_tc[0]); \
+ MC_CMD_OP(cmd, 3, 8, 8, uint8_t, cfg->adv.max_dist_per_tc[1]); \
+ MC_CMD_OP(cmd, 3, 16, 8, uint8_t, cfg->adv.max_dist_per_tc[2]); \
+ MC_CMD_OP(cmd, 3, 24, 8, uint8_t, cfg->adv.max_dist_per_tc[3]); \
+ MC_CMD_OP(cmd, 3, 32, 8, uint8_t, cfg->adv.max_dist_per_tc[4]); \
+ MC_CMD_OP(cmd, 3, 40, 8, uint8_t, cfg->adv.max_dist_per_tc[5]); \
+ MC_CMD_OP(cmd, 3, 48, 8, uint8_t, cfg->adv.max_dist_per_tc[6]); \
+ MC_CMD_OP(cmd, 3, 56, 8, uint8_t, cfg->adv.max_dist_per_tc[7]); \
+ MC_CMD_OP(cmd, 4, 0, 16, uint16_t, \
+ cfg->adv.ipr_cfg.max_reass_frm_size); \
+ MC_CMD_OP(cmd, 4, 16, 16, uint16_t, \
+ cfg->adv.ipr_cfg.min_frag_size_ipv4); \
+ MC_CMD_OP(cmd, 4, 32, 16, uint16_t, \
+ cfg->adv.ipr_cfg.min_frag_size_ipv6); \
+ MC_CMD_OP(cmd, 4, 48, 8, uint8_t, cfg->adv.max_policers); \
+ MC_CMD_OP(cmd, 4, 56, 8, uint8_t, cfg->adv.max_congestion_ctrl); \
+ MC_CMD_OP(cmd, 5, 0, 16, uint16_t, \
+ cfg->adv.ipr_cfg.max_open_frames_ipv4); \
+ MC_CMD_OP(cmd, 5, 16, 16, uint16_t, \
+ cfg->adv.ipr_cfg.max_open_frames_ipv6); \
+} while (0)
/* cmd, param, offset, width, type, arg_name */
#define DPNI_CMD_SET_POOLS(cmd, cfg) \
uint32_t cmd_flags,
uint16_t token);
+/* DPNI configuration options */
+
+/**
+ * Allow different distribution key profiles for different traffic classes;
+ * if not set, a single key profile is assumed
+ */
+#define DPNI_OPT_ALLOW_DIST_KEY_PER_TC 0x00000001
+
+/**
+ * Disable all non-error transmit confirmation; error frames are reported
+ * back to a common Tx error queue
+ */
+#define DPNI_OPT_TX_CONF_DISABLED 0x00000002
+
+/* Disable per-sender private Tx confirmation/error queue */
+#define DPNI_OPT_PRIVATE_TX_CONF_ERROR_DISABLED 0x00000004
+
+/**
+ * Support distribution based on hashed key;
+ * allows statistical distribution over receive queues in a traffic class
+ */
+#define DPNI_OPT_DIST_HASH 0x00000010
+
+/**
+ * Support distribution based on flow steering;
+ * allows explicit control of distribution over receive queues in a traffic
+ * class
+ */
+#define DPNI_OPT_DIST_FS 0x00000020
+
+/* Unicast filtering support */
+#define DPNI_OPT_UNICAST_FILTER 0x00000080
+/* Multicast filtering support */
+#define DPNI_OPT_MULTICAST_FILTER 0x00000100
+/* VLAN filtering support */
+#define DPNI_OPT_VLAN_FILTER 0x00000200
+/* Support IP reassembly on received packets */
+#define DPNI_OPT_IPR 0x00000800
+/* Support IP fragmentation on transmitted packets */
+#define DPNI_OPT_IPF 0x00001000
+/* VLAN manipulation support */
+#define DPNI_OPT_VLAN_MANIPULATION 0x00010000
+/* Support masking of QoS lookup keys */
+#define DPNI_OPT_QOS_MASK_SUPPORT 0x00020000
+/* Support masking of Flow Steering lookup keys */
+#define DPNI_OPT_FS_MASK_SUPPORT 0x00040000
+
/**
* struct dpni_ipr_cfg - Structure representing IP reassembly configuration
* @max_reass_frm_size: Maximum size of the reassembled frame
uint16_t max_open_frames_ipv6;
};
+/**
+ * struct dpni_cfg - Structure representing DPNI configuration
+ * @mac_addr: Primary MAC address
+ * @adv: Advanced parameters; default is all zeros;
+ * use this structure to change default settings
+ */
+struct dpni_cfg {
+ uint8_t mac_addr[6];
+ /**
+ * struct adv - Advanced parameters
+ * @options: Mask of available options; use 'DPNI_OPT_<X>' values
+ * @start_hdr: Selects the packet starting header for parsing;
+ * 'NET_PROT_NONE' is treated as default: 'NET_PROT_ETH'
+ * @max_senders: Maximum number of different senders; used as the number
+ * of dedicated Tx flows; Non-power-of-2 values are rounded
+ * up to the next power-of-2 value as hardware demands it;
+ * '0' will be treated as '1'
+ * @max_tcs: Maximum number of traffic classes (for both Tx and Rx);
+ * '0' will e treated as '1'
+ * @max_dist_per_tc: Maximum distribution size per Rx traffic class;
+ * Must be set to the required value minus 1;
+ * i.e. 0->1, 1->2, ... ,255->256;
+ * Non-power-of-2 values are rounded up to the next
+ * power-of-2 value as hardware demands it
+ * @max_unicast_filters: Maximum number of unicast filters;
+ * '0' is treated as '16'
+ * @max_multicast_filters: Maximum number of multicast filters;
+ * '0' is treated as '64'
+ * @max_qos_entries: if 'max_tcs > 1', declares the maximum entries in
+ * the QoS table; '0' is treated as '64'
+ * @max_qos_key_size: Maximum key size for the QoS look-up;
+ * '0' is treated as '24' which is enough for IPv4
+ * 5-tuple
+ * @max_dist_key_size: Maximum key size for the distribution;
+ * '0' is treated as '24' which is enough for IPv4 5-tuple
+ * @max_policers: Maximum number of policers;
+ * should be between '0' and max_tcs
+ * @max_congestion_ctrl: Maximum number of congestion control groups
+ * (CGs); covers early drop and congestion notification
+ * requirements for traffic classes;
+ * should be between '0' and max_tcs
+ * @ipr_cfg: IP reassembly configuration
+ */
+ struct {
+ uint32_t options;
+ enum net_prot start_hdr;
+ uint8_t max_senders;
+ uint8_t max_tcs;
+ uint8_t max_dist_per_tc[DPNI_MAX_TC];
+ uint8_t max_unicast_filters;
+ uint8_t max_multicast_filters;
+ uint8_t max_vlan_filters;
+ uint8_t max_qos_entries;
+ uint8_t max_qos_key_size;
+ uint8_t max_dist_key_size;
+ uint8_t max_policers;
+ uint8_t max_congestion_ctrl;
+ struct dpni_ipr_cfg ipr_cfg;
+ } adv;
+};
+
+/**
+ * dpni_create() - Create the DPNI object
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg: Configuration structure
+ * @token: Returned token; use in subsequent API calls
+ *
+ * Create the DPNI object, allocate required resources and
+ * perform required initialization.
+ *
+ * The object can be created either by declaring it in the
+ * DPL file, or by calling this function.
+ *
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent calls to
+ * this specific object. For objects that are created using the
+ * DPL file, call dpni_open() function to get an authentication
+ * token first.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_create(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ const struct dpni_cfg *cfg,
+ uint16_t *token);
+
+/**
+ * dpni_destroy() - Destroy the DPNI object and release all its resources.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
+int dpni_destroy(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
+
/**
* struct dpni_pools_cfg - Structure representing buffer pools configuration
* @num_dpbp: Number of DPBPs
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