struct fsl_mc_io;
-/**
- * Data Path Network Interface API
+/* Data Path Network Interface API
* Contains initialization APIs and runtime control APIs for DPNI
*/
/** General DPNI macros */
/**
- * Maximum number of traffic classes
+ * DPNI_MAX_TC - Maximum number of traffic classes
*/
#define DPNI_MAX_TC 8
/**
- * Maximum number of buffer pools per DPNI
+ * DPNI_MAX_DPBP - Maximum number of buffer pools per DPNI
*/
#define DPNI_MAX_DPBP 8
/**
- * All traffic classes considered; see dpni_set_queue()
+ * DPNI_ALL_TCS - All traffic classes considered; see dpni_set_queue()
*/
#define DPNI_ALL_TCS (u8)(-1)
/**
- * All flows within traffic class considered; see dpni_set_queue()
+ * DPNI_ALL_TC_FLOWS - All flows within traffic class considered; see
+ * dpni_set_queue()
*/
#define DPNI_ALL_TC_FLOWS (u16)(-1)
/**
- * Generate new flow ID; see dpni_set_queue()
+ * DPNI_NEW_FLOW_ID - Generate new flow ID; see dpni_set_queue()
*/
#define DPNI_NEW_FLOW_ID (u16)(-1)
/**
- * Tx traffic is always released to a buffer pool on transmit, there are no
- * resources allocated to have the frames confirmed back to the source after
- * transmission.
+ * DPNI_OPT_TX_FRM_RELEASE - Tx traffic is always released to a buffer pool on
+ * transmit, there are no resources allocated to have the frames confirmed back
+ * to the source after transmission.
*/
#define DPNI_OPT_TX_FRM_RELEASE 0x000001
/**
- * Disables support for MAC address filtering for addresses other than primary
- * MAC address. This affects both unicast and multicast. Promiscuous mode can
- * still be enabled/disabled for both unicast and multicast. If promiscuous mode
- * is disabled, only traffic matching the primary MAC address will be accepted.
+ * DPNI_OPT_NO_MAC_FILTER - Disables support for MAC address filtering for
+ * addresses other than primary MAC address. This affects both unicast and
+ * multicast. Promiscuous mode can still be enabled/disabled for both unicast
+ * and multicast. If promiscuous mode is disabled, only traffic matching the
+ * primary MAC address will be accepted.
*/
#define DPNI_OPT_NO_MAC_FILTER 0x000002
/**
- * Allocate policers for this DPNI. They can be used to rate-limit traffic per
- * traffic class (TC) basis.
+ * DPNI_OPT_HAS_POLICING - Allocate policers for this DPNI. They can be used to
+ * rate-limit traffic per traffic class (TC) basis.
*/
#define DPNI_OPT_HAS_POLICING 0x000004
/**
- * Congestion can be managed in several ways, allowing the buffer pool to
- * deplete on ingress, taildrop on each queue or use congestion groups for sets
- * of queues. If set, it configures a single congestion groups across all TCs.
- * If reset, a congestion group is allocated for each TC. Only relevant if the
- * DPNI has multiple traffic classes.
+ * DPNI_OPT_SHARED_CONGESTION - Congestion can be managed in several ways,
+ * allowing the buffer pool to deplete on ingress, taildrop on each queue or
+ * use congestion groups for sets of queues. If set, it configures a single
+ * congestion groups across all TCs. If reset, a congestion group is allocated
+ * for each TC. Only relevant if the DPNI has multiple traffic classes.
*/
#define DPNI_OPT_SHARED_CONGESTION 0x000008
/**
- * Enables TCAM for Flow Steering and QoS look-ups. If not specified, all
- * look-ups are exact match. Note that TCAM is not available on LS1088 and its
- * variants. Setting this bit on these SoCs will trigger an error.
+ * DPNI_OPT_HAS_KEY_MASKING - Enables TCAM for Flow Steering and QoS look-ups.
+ * If not specified, all look-ups are exact match. Note that TCAM is not
+ * available on LS1088 and its variants. Setting this bit on these SoCs will
+ * trigger an error.
*/
#define DPNI_OPT_HAS_KEY_MASKING 0x000010
/**
- * Disables the flow steering table.
+ * DPNI_OPT_NO_FS - Disables the flow steering table.
*/
#define DPNI_OPT_NO_FS 0x000020
/**
- * Flow steering table is shared between all traffic classes
+ * DPNI_OPT_SHARED_FS - Flow steering table is shared between all traffic
+ * classes
*/
#define DPNI_OPT_SHARED_FS 0x001000
u32 cmd_flags,
u16 token);
-/**
- * DPNI IRQ Index and Events
- */
+/* DPNI IRQ Index and Events */
-/**
- * IRQ index
- */
#define DPNI_IRQ_INDEX 0
-/**
- * IRQ events:
- * indicates a change in link state
- * indicates a change in endpoint
- */
+
+/* DPNI_IRQ_EVENT_LINK_CHANGED - indicates a change in link state */
#define DPNI_IRQ_EVENT_LINK_CHANGED 0x00000001
+
+/* DPNI_IRQ_EVENT_ENDPOINT_CHANGED - indicates a change in endpoint */
#define DPNI_IRQ_EVENT_ENDPOINT_CHANGED 0x00000002
int dpni_set_irq_enable(struct fsl_mc_io *mc_io,
u16 token,
struct dpni_attr *attr);
-/**
- * DPNI errors
- */
+/* DPNI errors */
/**
- * Extract out of frame header error
+ * DPNI_ERROR_EOFHE - Extract out of frame header error
*/
#define DPNI_ERROR_EOFHE 0x00020000
/**
- * Frame length error
+ * DPNI_ERROR_FLE - Frame length error
*/
#define DPNI_ERROR_FLE 0x00002000
/**
- * Frame physical error
+ * DPNI_ERROR_FPE - Frame physical error
*/
#define DPNI_ERROR_FPE 0x00001000
/**
- * Parsing header error
+ * DPNI_ERROR_PHE - Parsing header error
*/
#define DPNI_ERROR_PHE 0x00000020
/**
- * Parser L3 checksum error
+ * DPNI_ERROR_L3CE - Parser L3 checksum error
*/
#define DPNI_ERROR_L3CE 0x00000004
/**
- * Parser L3 checksum error
+ * DPNI_ERROR_L4CE - Parser L3 checksum error
*/
#define DPNI_ERROR_L4CE 0x00000001
u16 token,
struct dpni_error_cfg *cfg);
-/**
- * DPNI buffer layout modification options
- */
+/* DPNI buffer layout modification options */
/**
- * Select to modify the time-stamp setting
+ * DPNI_BUF_LAYOUT_OPT_TIMESTAMP - Select to modify the time-stamp setting
*/
#define DPNI_BUF_LAYOUT_OPT_TIMESTAMP 0x00000001
/**
- * Select to modify the parser-result setting; not applicable for Tx
+ * DPNI_BUF_LAYOUT_OPT_PARSER_RESULT - Select to modify the parser-result
+ * setting; not applicable for Tx
*/
#define DPNI_BUF_LAYOUT_OPT_PARSER_RESULT 0x00000002
/**
- * Select to modify the frame-status setting
+ * DPNI_BUF_LAYOUT_OPT_FRAME_STATUS - Select to modify the frame-status setting
*/
#define DPNI_BUF_LAYOUT_OPT_FRAME_STATUS 0x00000004
/**
- * Select to modify the private-data-size setting
+ * DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE - Select to modify the private-data-size setting
*/
#define DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE 0x00000008
/**
- * Select to modify the data-alignment setting
+ * DPNI_BUF_LAYOUT_OPT_DATA_ALIGN - Select to modify the data-alignment setting
*/
#define DPNI_BUF_LAYOUT_OPT_DATA_ALIGN 0x00000010
/**
- * Select to modify the data-head-room setting
+ * DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM - Select to modify the data-head-room setting
*/
#define DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM 0x00000020
/**
- * Select to modify the data-tail-room setting
+ * DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM - Select to modify the data-tail-room setting
*/
#define DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM 0x00000040
* @DPNI_QUEUE_TX: Tx queue
* @DPNI_QUEUE_TX_CONFIRM: Tx confirmation queue
* @DPNI_QUEUE_RX_ERR: Rx error queue
- */enum dpni_queue_type {
+ */
+enum dpni_queue_type {
DPNI_QUEUE_RX,
DPNI_QUEUE_TX,
DPNI_QUEUE_TX_CONFIRM,
* lack of buffers
* @page_2.egress_discarded_frames: Egress discarded frame count
* @page_2.egress_confirmed_frames: Egress confirmed frame count
- * @page3: Page_3 statistics structure
+ * @page_3: Page_3 statistics structure
* @page_3.egress_dequeue_bytes: Cumulative count of the number of bytes
* dequeued from egress FQs
* @page_3.egress_dequeue_frames: Cumulative count of the number of frames
u8 page,
union dpni_statistics *stat);
-/**
- * Enable auto-negotiation
- */
#define DPNI_LINK_OPT_AUTONEG 0x0000000000000001ULL
-/**
- * Enable half-duplex mode
- */
#define DPNI_LINK_OPT_HALF_DUPLEX 0x0000000000000002ULL
-/**
- * Enable pause frames
- */
#define DPNI_LINK_OPT_PAUSE 0x0000000000000004ULL
-/**
- * Enable a-symmetric pause frames
- */
#define DPNI_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL
-
-/**
- * Enable priority flow control pause frames
- */
#define DPNI_LINK_OPT_PFC_PAUSE 0x0000000000000010ULL
/**
- * struct - Structure representing DPNI link configuration
+ * struct dpni_link_cfg - Structure representing DPNI link configuration
* @rate: Rate
* @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
*/
const struct dpni_rx_tc_dist_cfg *cfg);
/**
- * When used for fs_miss_flow_id in function dpni_set_rx_dist,
- * will signal to dpni to drop all unclassified frames
+ * DPNI_FS_MISS_DROP - When used for fs_miss_flow_id in function
+ * dpni_set_rx_dist, will signal to dpni to drop all unclassified frames
*/
#define DPNI_FS_MISS_DROP ((uint16_t)-1)
/**
* struct dpni_queue - Queue structure
- * @destination - Destination structure
+ * @destination: - Destination structure
* @destination.id: ID of the destination, only relevant if DEST_TYPE is > 0.
* Identifies either a DPIO or a DPCON object.
* Not relevant for Tx queues.
u16 qdbin;
};
-/**
- * Set User Context
- */
+/* Set User Context */
#define DPNI_QUEUE_OPT_USER_CTX 0x00000001
#define DPNI_QUEUE_OPT_DEST 0x00000002
#define DPNI_QUEUE_OPT_FLC 0x00000004
/* DPNI congestion options */
/**
- * This congestion will trigger flow control or priority flow control.
- * This will have effect only if flow control is enabled with
- * dpni_set_link_cfg().
+ * DPNI_CONG_OPT_FLOW_CONTROL - This congestion will trigger flow control or
+ * priority flow control. This will have effect only if flow control is
+ * enabled with dpni_set_link_cfg().
*/
#define DPNI_CONG_OPT_FLOW_CONTROL 0x00000040
};
/**
- * Discard matching traffic. If set, this takes precedence over any other
- * configuration and matching traffic is always discarded.
+ * DPNI_FS_OPT_DISCARD - Discard matching traffic. If set, this takes
+ * precedence over any other configuration and matching traffic is always
+ * discarded.
*/
#define DPNI_FS_OPT_DISCARD 0x1
/**
- * Set FLC value. If set, flc member of struct dpni_fs_action_cfg is used to
- * override the FLC value set per queue.
+ * DPNI_FS_OPT_SET_FLC - Set FLC value. If set, flc member of struct
+ * dpni_fs_action_cfg is used to override the FLC value set per queue.
* For more details check the Frame Descriptor section in the hardware
* documentation.
*/
#define DPNI_FS_OPT_SET_FLC 0x2
/**
- * Indicates whether the 6 lowest significant bits of FLC are used for stash
- * control. If set, the 6 least significant bits in value are interpreted as
- * follows:
+ * DPNI_FS_OPT_SET_STASH_CONTROL - Indicates whether the 6 lowest significant
+ * bits of FLC are used for stash control. If set, the 6 least significant bits
+ * in value are interpreted as follows:
* - bits 0-1: indicates the number of 64 byte units of context that are
* stashed. FLC value is interpreted as a memory address in this case,
* excluding the 6 LS bits.
u16 *major_ver,
u16 *minor_ver);
/**
- * struct dpni_tx_shaping - Structure representing DPNI tx shaping configuration
+ * struct dpni_tx_shaping_cfg - Structure representing DPNI tx shaping configuration
* @rate_limit: Rate in Mbps
* @max_burst_size: Burst size in bytes (up to 64KB)
*/
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