dpdk-fm10k/lib/librte_node/ethdev_rx_priv.h
Nithin Dabilpuram 5b2655a693 node: add packet classifier
This node classifies pkts based on packet type and
sends them to appropriate next node. This is node
helps in distribution of packets from ethdev_rx node
to different next node with a constant overhead for
all packet types.

Currently all except non fragmented IPV4 packets are marked
to be sent to "pkt_drop" node.
Performance difference on ARM64 Octeontx2 is -4.9% due to
addition of new node in the path.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
2020-07-22 01:18:59 +02:00

84 lines
1.6 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2020 Marvell International Ltd.
*/
#ifndef __INCLUDE_ETHDEV_RX_PRIV_H__
#define __INCLUDE_ETHDEV_RX_PRIV_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <rte_common.h>
struct ethdev_rx_node_elem;
struct ethdev_rx_node_ctx;
typedef struct ethdev_rx_node_elem ethdev_rx_node_elem_t;
typedef struct ethdev_rx_node_ctx ethdev_rx_node_ctx_t;
/**
* @internal
*
* Ethernet device Rx node context structure.
*/
struct ethdev_rx_node_ctx {
uint16_t port_id; /**< Port identifier of the Rx node. */
uint16_t queue_id; /**< Queue identifier of the Rx node. */
uint16_t cls_next;
};
/**
* @internal
*
* Ethernet device Rx node list element structure.
*/
struct ethdev_rx_node_elem {
struct ethdev_rx_node_elem *next;
/**< Pointer to the next Rx node element. */
struct ethdev_rx_node_ctx ctx;
/**< Rx node context. */
rte_node_t nid;
/**< Node identifier of the Rx node. */
};
enum ethdev_rx_next_nodes {
ETHDEV_RX_NEXT_IP4_LOOKUP,
ETHDEV_RX_NEXT_PKT_CLS,
ETHDEV_RX_NEXT_MAX,
};
/**
* @internal
*
* Ethernet Rx node main structure.
*/
struct ethdev_rx_node_main {
ethdev_rx_node_elem_t *head;
/**< Pointer to the head Rx node element. */
};
/**
* @internal
*
* Get the Ethernet Rx node data.
*
* @return
* Pointer to Ethernet Rx node data.
*/
struct ethdev_rx_node_main *ethdev_rx_get_node_data_get(void);
/**
* @internal
*
* Get the Ethernet Rx node.
*
* @retrun
* Pointer to the Ethernet Rx node.
*/
struct rte_node_register *ethdev_rx_node_get(void);
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_ETHDEV_RX_PRIV_H__ */