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ce8262a164
It doesn't work to tie the polling of an underlying NIC driver (eg to check the NIC for pending Ethernet frames) with its associated lwIP netif. This is because most NICs are implemented with IRQs and don't need polling, because there can be multiple lwIP netif's per NIC driver, and because it restricts the use of the netif->state variable. Instead the NIC should have its own specific way of processing incoming Ethernet frame. This patch removes this generic NIC polling feature, and for the only driver that uses it (Wiznet5k) replaces it with an explicit call to the poll function (which could eventually be improved by using a proper external interrupt).
101 lines
4.1 KiB
C
101 lines
4.1 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_STM32_MODNETWORK_H
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#define MICROPY_INCLUDED_STM32_MODNETWORK_H
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#define MOD_NETWORK_IPADDR_BUF_SIZE (4)
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#define MOD_NETWORK_AF_INET (2)
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#define MOD_NETWORK_AF_INET6 (10)
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#define MOD_NETWORK_SOCK_STREAM (1)
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#define MOD_NETWORK_SOCK_DGRAM (2)
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#define MOD_NETWORK_SOCK_RAW (3)
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#if MICROPY_PY_LWIP
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struct netif;
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extern const mp_obj_type_t network_lan_type;
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extern const mp_obj_type_t mod_network_nic_type_wiznet5k;
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void mod_network_lwip_poll_wrapper(uint32_t ticks_ms);
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mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args);
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void wiznet5k_poll(void);
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#else
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struct _mod_network_socket_obj_t;
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typedef struct _mod_network_nic_type_t {
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mp_obj_type_t base;
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// API for non-socket operations
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int (*gethostbyname)(mp_obj_t nic, const char *name, mp_uint_t len, uint8_t *ip_out);
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// API for socket operations; return -1 on error
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int (*socket)(struct _mod_network_socket_obj_t *socket, int *_errno);
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void (*close)(struct _mod_network_socket_obj_t *socket);
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int (*bind)(struct _mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno);
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int (*listen)(struct _mod_network_socket_obj_t *socket, mp_int_t backlog, int *_errno);
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int (*accept)(struct _mod_network_socket_obj_t *socket, struct _mod_network_socket_obj_t *socket2, byte *ip, mp_uint_t *port, int *_errno);
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int (*connect)(struct _mod_network_socket_obj_t *socket, byte *ip, mp_uint_t port, int *_errno);
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mp_uint_t (*send)(struct _mod_network_socket_obj_t *socket, const byte *buf, mp_uint_t len, int *_errno);
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mp_uint_t (*recv)(struct _mod_network_socket_obj_t *socket, byte *buf, mp_uint_t len, int *_errno);
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mp_uint_t (*sendto)(struct _mod_network_socket_obj_t *socket, const byte *buf, mp_uint_t len, byte *ip, mp_uint_t port, int *_errno);
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mp_uint_t (*recvfrom)(struct _mod_network_socket_obj_t *socket, byte *buf, mp_uint_t len, byte *ip, mp_uint_t *port, int *_errno);
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int (*setsockopt)(struct _mod_network_socket_obj_t *socket, mp_uint_t level, mp_uint_t opt, const void *optval, mp_uint_t optlen, int *_errno);
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int (*settimeout)(struct _mod_network_socket_obj_t *socket, mp_uint_t timeout_ms, int *_errno);
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int (*ioctl)(struct _mod_network_socket_obj_t *socket, mp_uint_t request, mp_uint_t arg, int *_errno);
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} mod_network_nic_type_t;
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typedef struct _mod_network_socket_obj_t {
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mp_obj_base_t base;
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mp_obj_t nic;
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mod_network_nic_type_t *nic_type;
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union {
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struct {
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uint8_t domain;
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uint8_t type;
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int8_t fileno;
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} u_param;
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mp_uint_t u_state;
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};
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} mod_network_socket_obj_t;
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extern const mod_network_nic_type_t mod_network_nic_type_wiznet5k;
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extern const mod_network_nic_type_t mod_network_nic_type_cc3k;
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#endif
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void mod_network_init(void);
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void mod_network_deinit(void);
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void mod_network_register_nic(mp_obj_t nic);
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mp_obj_t mod_network_find_nic(const uint8_t *ip);
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#endif // MICROPY_INCLUDED_STM32_MODNETWORK_H
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