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net: socket: packet: Add EtherCAT protocol support

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Add EtherCAT protocol support, now applications can
transmit/receive EtherCAT packets via RAW socket.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
This commit is contained in:
Hou Zhiqiang 2021-12-08 15:01:15 +08:00 • committed by Carles Cufí
commit 2fafd8559f
2 changed files with 6 additions and 1 deletions
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4
include/net/ethernet.h
View file

@ -65,6 +65,7 @@ struct net_eth_addr {
#define NET_ETH_PTYPE_PTP 0x88f7 #define NET_ETH_PTYPE_PTP 0x88f7
#define NET_ETH_PTYPE_LLDP 0x88cc #define NET_ETH_PTYPE_LLDP 0x88cc
#define NET_ETH_PTYPE_ALL 0x0003 /* from linux/if_ether.h */ #define NET_ETH_PTYPE_ALL 0x0003 /* from linux/if_ether.h */
#define NET_ETH_PTYPE_ECAT 0x88a4
#if !defined(ETH_P_ALL) #if !defined(ETH_P_ALL)
#define ETH_P_ALL NET_ETH_PTYPE_ALL #define ETH_P_ALL NET_ETH_PTYPE_ALL
@ -84,6 +85,9 @@ struct net_eth_addr {
#if !defined(ETH_P_TSN) #if !defined(ETH_P_TSN)
#define ETH_P_TSN NET_ETH_PTYPE_TSN #define ETH_P_TSN NET_ETH_PTYPE_TSN
#endif #endif
#if !defined(ETH_P_ECAT)
#define ETH_P_ECAT NET_ETH_PTYPE_ECAT
#endif
#define NET_ETH_MINIMAL_FRAME_SIZE 60 #define NET_ETH_MINIMAL_FRAME_SIZE 60
#define NET_ETH_MTU 1500 #define NET_ETH_MTU 1500

3
subsys/net/lib/sockets/sockets_packet.c
View file

@ -386,7 +386,8 @@ static const struct socket_op_vtable packet_sock_fd_op_vtable = {
static bool packet_is_supported(int family, int type, int proto) static bool packet_is_supported(int family, int type, int proto)
{ {
if (((type == SOCK_RAW) && (proto == ETH_P_ALL)) || if (((type == SOCK_RAW) && (proto == ETH_P_ALL)) ||
((type == SOCK_RAW) && (proto == IPPROTO_RAW)) || ((type == SOCK_RAW) && (proto == IPPROTO_RAW)) ||
((type == SOCK_RAW) && (proto == ETH_P_ECAT)) ||
((type == SOCK_DGRAM) && (proto > 0))) { ((type == SOCK_DGRAM) && (proto > 0))) {
return true; return true;
} }