cb_lld_ethernet.h File Reference

Introduction

TI ENET LLD specific network layer part.

Go to the source code of this file.

Data Structures
struct	ethhdr
	Ethernet header structure. More...
struct	sockaddr
	Structure representing the lld_sockaddr instance. More...
struct	lld_ethdev_t
	Structure representing the lld_ethdev instance. More...
struct	cb_socket_lldcfg_update_t
	Structure representing the cb_socket_lldcfg_update instance. More...
struct	cb_tilld_port_stats_t

Macros
#define	htons   __htons
#define	ntohs   __ntohs
#define	htonl   __htonl
#define	ntohl   __ntohl
#define	MAX_NUMBER_ENET_DEVS   LLDENET_MAX_PORTS
#define	CB_SOCKET_VALID(x)   ((x)!=NULL)
#define	CB_SOCKET_INVALID_VALUE   NULL
#define	CB_SOCKET_T   lld_socket_t*
#define	CB_ETHHDR_T   struct ethhdr
#define	CB_SOCKADDR_LL_T   struct sockaddr
#define	CB_SOCKADDR_T   struct sockaddr
#define	CB_SOCK_SENDTO   cb_lld_sendto
#define	CB_SOCK_CLOSE   cb_rawsock_close
#define	CB_OPEN   open
#define	CB_CLOSE   close
#define	CB_WRITE   write
#define	CB_IN_ADDR_T   void*
#define	IFNAMSIZ   16
#define	ETH_ALEN   6 /* Octets in one ethernet addr */
#define	ETH_HLEN   14 /* Total octets in header. */
#define	ETH_DATA_LEN   1500 /* Max. octets in payload */
#define	ETH_P_8021Q   0x8100 /* 802.1Q VLAN Extended Header */
#define	ETH_P_1588   0x88F7 /* IEEE 1588 Timesync */
#define	ETH_P_LLDP   0x88CC /* 802.1AB LLDP */
#define	ETH_P_TSN   0x22F0 /* TSN (IEEE 1722) packet */
#define	ETH_P_NETLINK   0x22F1 /* A virtual prototol for netlink rawsockt on TI platforms */
#define	CB_MAX_NETDEVNAME   IFNAMSIZ
#define	MKPIPE(x)   (-1)
#define	CB_LLD_MAX_ETH_FRAME_SIZE   (1522U)
#define	CB_TILLD_STATS_BLOCK_ELEM_NUM   (128U)

Typedefs
typedef struct lld_socket	lld_socket_t
	Structure representing the lld_socket instance. More...
typedef int(*	cb_socket_lldcfg_update_cb_t) (cb_socket_lldcfg_update_t *update_cfg)
	Callback function type for cb_socket_lldcfg_update. More...
typedef void(*	cb_lld_zerocopy_recv_cb_t) (void *buf, int size, CB_SOCKADDR_LL_T *addr, void *cbarg)

Functions
struct ethhdr	__attribute__ ((packed))
int	cb_lld_init_devs_table (lld_ethdev_t *ethdevs, uint32_t ndevs, uint32_t enet_type, uint32_t instance_id)
	Initialize a LLD device table. More...
int	cb_socket_set_lldcfg_update_cb (cb_socket_lldcfg_update_cb_t lldcfg_update_cb)
	This function sets the callback for updating LLD config parameters. It enables the user to update config parameters for the Enet LLD layer that are not supported by the CB socket. It is important to note that this function should only be called once. More...
int	cb_lld_netdev_to_macport (const char *netdev)
	Convert net device name to mac port. More...
int	cb_lld_sendto (CB_SOCKET_T sfd, void *sdata, int psize, int flags, const CB_SOCKADDR_LL_T *addr, int addrsize)
	Send a TX ethernet L2 packet. More...
int	cb_lld_recv (CB_SOCKET_T sfd, void *buf, int size, CB_SOCKADDR_LL_T *addr, int addrsize)
	Receive a RX ethernet L2 packet. This should be called after a rxnotify_cb is invoked. More...
int	cb_lld_recv_zerocopy (CB_SOCKET_T sfd, cb_lld_zerocopy_recv_cb_t cblld_recv_cb, void *cbarg)
	Receive a RX ethernet L2 packet n the zero-copy way. This should be called after a rxnotify_cb is invoked. More...
int	cb_lld_set_txnotify_cb (CB_SOCKET_T sfd, void(*txnotify_cb)(void *arg), void *arg)
	Set the TX notify callback that is invoked when an TX packet is sent successfully. More...
int	cb_lld_set_rxnotify_cb (CB_SOCKET_T sfd, void(*rxnotify_cb)(void *arg), void *arg)
	Set the RX notify callback that is invoked when an RX packet is ready to be received. More...
int	cb_lld_set_default_rxdata_cb (CB_SOCKET_T sfd, void(*default_rxdata_cb)(void *data, int size, int port, void *arg), void *arg)
	Set the default RX data callback that is invoked when an RX packet does not match any filters. More...
int	cb_lld_get_type_instance (uint32_t *enet_type, uint32_t *instance_id)
	Get enet type and instance that is set via cb_lld_init_devs_table() More...
int	cb_lld_get_netdevs (char *netdevs[], int *len)
	Get all virtual network interfaces which were defined for the TI platform. More...
int	cb_lld_get_link_state (CB_SOCKET_T cfd, const char *dev, uint32_t *linkstate)
	get link state from device name like 'eth0' More...
int	cb_lld_get_link_info (CB_SOCKET_T cfd, const char *dev, uint32_t *speed, uint32_t *duplex)
	get link info(speed and duplex) from device name like 'eth0' More...
int	cb_lld_get_port_stats (CB_SOCKET_T sfd, int port, cb_tilld_port_stats_t *stats)
	Get stats info from host or mac port. More...
void	cb_lld_reset_port_stats (CB_SOCKET_T sfd, int port)
	reset stats info from host or mac port. More...

Variables
uint8_t	h_dest [ETH_ALEN]
uint8_t	h_source [ETH_ALEN]
uint16_t	h_proto
struct sockaddr	__attribute__

Variable Documentation

h_dest

uint8_t h_dest[ETH_ALEN]

Destination Ethernet address.

h_source

uint8_t h_source[ETH_ALEN]

Source Ethernet address.

h_proto

uint16_t h_proto

Ethernet type in the ethernet frame