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/* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ODP_PKTIO_COMMON_H_
#define ODP_PKTIO_COMMON_H_
#include <errno.h>
/** Determine if a socket read/write error should be reported. Transient errors
* that simply require the caller to retry are ignored, the _send/_recv APIs
* are non-blocking and it is the caller's responsibility to retry if the
* requested number of packets were not handled. */
#define SOCK_ERR_REPORT(e) (e != EAGAIN && e != EWOULDBLOCK && e != EINTR)
/**
* Read the MTU from a packet socket
*/
uint32_t mtu_get_fd(int fd, const char *name);
/**
* Read the MAC address from a packet socket
*/
int mac_addr_get_fd(int fd, const char *name, unsigned char mac_dst[]);
/**
* Enable/Disable promisc mode for a packet socket
*/
int promisc_mode_set_fd(int fd, const char *name, int enable);
/**
* Return promisc mode of a packet socket
*/
int promisc_mode_get_fd(int fd, const char *name);
/**
* Return link status of a packet socket (up/down)
*/
int link_status_fd(int fd, const char *name);
/**
* Get enabled RSS hash protocols of a packet socket
*
* @param fd Socket file descriptor
* @param name Interface name
* @param hash_proto[out] Hash protocols
*
* @returns Number enabled hash protocols
*/
int rss_conf_get_fd(int fd, const char *name,
odp_pktin_hash_proto_t *hash_proto);
/**
* Get supported RSS hash protocols of a packet socket
*
* Can be both read and modified.
*
* @param fd Socket file descriptor
* @param name Interface name
* @param hash_proto[out] Hash protocols
*
* @returns Number of supported hash protocols
*/
int rss_conf_get_supported_fd(int fd, const char *name,
odp_pktin_hash_proto_t *hash_proto);
/**
* Set RSS hash protocols of a packet socket
*
* @param fd Socket file descriptor
* @param name Interface name
* @param hash_proto Hash protocols
*
* @retval 0 on success
* @retval <0 on failure
*/
int rss_conf_set_fd(int fd, const char *name,
const odp_pktin_hash_proto_t *proto);
/**
* Print enabled RSS hash protocols
*
* @param hash_proto Hash protocols
*/
void rss_conf_print(const odp_pktin_hash_proto_t *hash_proto);
/**
* Get statistics for pktio entry
*
* @param pktio_entry Packet IO entry
* @param stats[out] Output buffer for counters
* @param fd Socket file descriptor
*
* @retval 0 on success
* @retval != 0 on failure
*/
int sock_stats_fd(pktio_entry_t *pktio_entry,
odp_pktio_stats_t *stats,
int fd);
/**
* Reset statistics for pktio entry
*
* @param pktio_entry Packet IO entry
* @param fd Socket file descriptor
*
* @retval 0 on success
* @retval != 0 on failure
*/
int sock_stats_reset_fd(pktio_entry_t *pktio_entry, int fd);
#endif /*ODP_PKTIO_COMMON_H_*/
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