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…rnet_code drivers: netdev2: factor out common netdev ethernet code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de> | ||
| * | ||
| * This file is subject to the terms and conditions of the GNU Lesser General | ||
| * Public License v2.1. See the file LICENSE in the top level directory for | ||
| * more details. | ||
| */ | ||
|
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| /** | ||
| * @ingroup drivers_netdev_netdev2 | ||
| * @{ | ||
| * | ||
| * @file | ||
| * @brief Definitions for netdev2 common ethernet code | ||
| * | ||
| * @author Kaspar Schleiser <kaspar@schleiser.de> | ||
| */ | ||
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| #ifndef NETDEV2_ETH_H | ||
| #define NETDEV2_ETH_H | ||
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| #include <stdint.h> | ||
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| #include "netdev2.h" | ||
| #include "net/netopt.h" | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
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| /** | ||
| * @brief Fallback function for netdev2 ethernet devices' _get function | ||
| * | ||
| * Supposed to be used by netdev2 drivers as default case. | ||
| * | ||
| * @warning Driver *MUST* implement NETOPT_ADDRESS case! | ||
| * | ||
| * @param[in] dev network device descriptor | ||
| * @param[in] opt option type | ||
| * @param[out] value pointer to store the option's value in | ||
| * @param[in] max_len maximal amount of byte that fit into @p value | ||
| * | ||
| * @return number of bytes written to @p value | ||
| * @return <0 on error | ||
| */ | ||
| int netdev2_eth_get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len); | ||
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| /** | ||
| * @brief Fallback function for netdev2 ethernet devices' _set function | ||
| * | ||
| * @param[in] dev network device descriptor | ||
| * @param[in] opt option type | ||
| * @param[in] value value to set | ||
| * @param[in] value_len the length of @p value | ||
| * | ||
| * @return number of bytes used from @p value | ||
| * @return <0 on error | ||
| */ | ||
| int netdev2_eth_set(netdev2_t *dev, netopt_t opt, void *value, size_t value_len); | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
| /** @} */ | ||
| #endif /* NETDEV2_ETH_H */ |
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| include $(RIOTBASE)/Makefile.base |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de> | ||
| * | ||
| * This file is subject to the terms and conditions of the GNU Lesser | ||
| * General Public License v2.1. See the file LICENSE in the top level | ||
| * directory for more details. | ||
| */ | ||
|
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| /** | ||
| * @ingroup driver_netdev2_eth | ||
| * @{ | ||
| * | ||
| * @file | ||
| * @brief Common code for netdev2 ethernet drivers | ||
| * | ||
| * @author Kaspar Schleiser <kaspar@schleiser.de> | ||
| * | ||
| * @} | ||
| */ | ||
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| #include <assert.h> | ||
| #include <errno.h> | ||
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| #include "net/netdev2.h" | ||
| #include "net/eui64.h" | ||
| #include "net/ethernet.h" | ||
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| #define ENABLE_DEBUG (0) | ||
| #include "debug.h" | ||
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| static int _get_iid(netdev2_t *netdev, eui64_t *value, size_t max_len) | ||
| { | ||
| if (max_len < sizeof(eui64_t)) { | ||
| return -EOVERFLOW; | ||
| } | ||
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| uint8_t addr[ETHERNET_ADDR_LEN]; | ||
| netdev->driver->get(netdev, NETOPT_ADDRESS, addr, ETHERNET_ADDR_LEN); | ||
| ethernet_get_iid(value, addr); | ||
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| return sizeof(eui64_t); | ||
| } | ||
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| int netdev2_eth_get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len) | ||
| { | ||
| int res = 0; | ||
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| switch (opt) { | ||
| case NETOPT_DEVICE_TYPE: | ||
| { | ||
| uint16_t *tgt = (uint16_t *)value; | ||
| *tgt = NETDEV2_TYPE_ETHERNET; | ||
| res = 2; | ||
| break; | ||
| } | ||
| case NETOPT_ADDR_LEN: | ||
| case NETOPT_SRC_LEN: | ||
| { | ||
| assert(max_len == 2); | ||
| uint16_t *tgt = (uint16_t*)value; | ||
| *tgt=6; | ||
| res = sizeof(uint16_t); | ||
| break; | ||
| } | ||
| case NETOPT_MAX_PACKET_SIZE: | ||
| { | ||
| assert(max_len >= 2); | ||
| uint16_t *val = (uint16_t*) value; | ||
| *val = ETHERNET_DATA_LEN; | ||
| res = sizeof(uint16_t); | ||
| break; | ||
| } | ||
| case NETOPT_IS_WIRED: | ||
| { | ||
| res = 1; | ||
| break; | ||
| } | ||
| case NETOPT_IPV6_IID: | ||
| { | ||
| return _get_iid(dev, value, max_len); | ||
| } | ||
| default: | ||
| { | ||
| res = -ENOTSUP; | ||
| break; | ||
| } | ||
| } | ||
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| return res; | ||
| } | ||
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| int netdev2_eth_set(netdev2_t *dev, netopt_t opt, void *value, size_t value_len) | ||
| { | ||
| (void)dev; | ||
| (void)value; | ||
| (void)value_len; | ||
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| int res = 0; | ||
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| switch (opt) { | ||
| default: | ||
| return -ENOTSUP; | ||
| } | ||
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| return res; | ||
| } |