| /** @file |
| * @brief VLAN specific definitions. |
| * |
| * Virtual LAN specific definitions. |
| */ |
| |
| /* |
| * Copyright (c) 2018 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef __ETHERNET_VLAN_H |
| #define __ETHERNET_VLAN_H |
| |
| /** |
| * @brief VLAN definitions and helpers |
| * @defgroup vlan Virtual LAN definitions and helpers |
| * @ingroup networking |
| * @{ |
| */ |
| |
| #include <zephyr/types.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define NET_VLAN_TAG_UNSPEC 0x0fff |
| |
| /* Get VLAN identifier from TCI */ |
| static inline u16_t net_eth_vlan_get_vid(u16_t tci) |
| { |
| return tci & 0x0fff; |
| } |
| |
| /* Get Drop Eligible Indicator from TCI */ |
| static inline u8_t net_eth_vlan_get_dei(u16_t tci) |
| { |
| return (tci >> 12) & 0x01; |
| } |
| |
| /* Get Priority Code Point from TCI */ |
| static inline u8_t net_eth_vlan_get_pcp(u16_t tci) |
| { |
| return (tci >> 13) & 0x07; |
| } |
| |
| /* Set VLAN identifier to TCI */ |
| static inline u16_t net_eth_vlan_set_vid(u16_t tci, u16_t vid) |
| { |
| return (tci & 0xf000) | (vid & 0x0fff); |
| } |
| |
| /* Set Drop Eligible Indicator to TCI */ |
| static inline u16_t net_eth_vlan_set_dei(u16_t tci, bool dei) |
| { |
| return (tci & 0xefff) | ((!!dei) << 12); |
| } |
| |
| /* Set Priority Code Point to TCI */ |
| static inline u16_t net_eth_vlan_set_pcp(u16_t tci, u8_t pcp) |
| { |
| return (tci & 0x1fff) | ((pcp & 0x07) << 13); |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| /** |
| * @} |
| */ |
| |
| |
| #endif /* __ETHERNET_VLAN_H */ |
