晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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/*
* Copyright Samuel Mendoza-Jonas, IBM Corporation 2018.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __UAPI_NCSI_NETLINK_H__
#define __UAPI_NCSI_NETLINK_H__
/**
* enum ncsi_nl_commands - supported NCSI commands
*
* @NCSI_CMD_UNSPEC: unspecified command to catch errors
* @NCSI_CMD_PKG_INFO: list package and channel attributes. Requires
* NCSI_ATTR_IFINDEX. If NCSI_ATTR_PACKAGE_ID is specified returns the
* specific package and its channels - otherwise a dump request returns
* all packages and their associated channels.
* @NCSI_CMD_SET_INTERFACE: set preferred package and channel combination.
* Requires NCSI_ATTR_IFINDEX and the preferred NCSI_ATTR_PACKAGE_ID and
* optionally the preferred NCSI_ATTR_CHANNEL_ID.
* @NCSI_CMD_CLEAR_INTERFACE: clear any preferred package/channel combination.
* Requires NCSI_ATTR_IFINDEX.
* @NCSI_CMD_MAX: highest command number
*/
enum ncsi_nl_commands {
NCSI_CMD_UNSPEC,
NCSI_CMD_PKG_INFO,
NCSI_CMD_SET_INTERFACE,
NCSI_CMD_CLEAR_INTERFACE,
__NCSI_CMD_AFTER_LAST,
NCSI_CMD_MAX = __NCSI_CMD_AFTER_LAST - 1
};
/**
* enum ncsi_nl_attrs - General NCSI netlink attributes
*
* @NCSI_ATTR_UNSPEC: unspecified attributes to catch errors
* @NCSI_ATTR_IFINDEX: ifindex of network device using NCSI
* @NCSI_ATTR_PACKAGE_LIST: nested array of NCSI_PKG_ATTR attributes
* @NCSI_ATTR_PACKAGE_ID: package ID
* @NCSI_ATTR_CHANNEL_ID: channel ID
* @NCSI_ATTR_MAX: highest attribute number
*/
enum ncsi_nl_attrs {
NCSI_ATTR_UNSPEC,
NCSI_ATTR_IFINDEX,
NCSI_ATTR_PACKAGE_LIST,
NCSI_ATTR_PACKAGE_ID,
NCSI_ATTR_CHANNEL_ID,
__NCSI_ATTR_AFTER_LAST,
NCSI_ATTR_MAX = __NCSI_ATTR_AFTER_LAST - 1
};
/**
* enum ncsi_nl_pkg_attrs - NCSI netlink package-specific attributes
*
* @NCSI_PKG_ATTR_UNSPEC: unspecified attributes to catch errors
* @NCSI_PKG_ATTR: nested array of package attributes
* @NCSI_PKG_ATTR_ID: package ID
* @NCSI_PKG_ATTR_FORCED: flag signifying a package has been set as preferred
* @NCSI_PKG_ATTR_CHANNEL_LIST: nested array of NCSI_CHANNEL_ATTR attributes
* @NCSI_PKG_ATTR_MAX: highest attribute number
*/
enum ncsi_nl_pkg_attrs {
NCSI_PKG_ATTR_UNSPEC,
NCSI_PKG_ATTR,
NCSI_PKG_ATTR_ID,
NCSI_PKG_ATTR_FORCED,
NCSI_PKG_ATTR_CHANNEL_LIST,
__NCSI_PKG_ATTR_AFTER_LAST,
NCSI_PKG_ATTR_MAX = __NCSI_PKG_ATTR_AFTER_LAST - 1
};
/**
* enum ncsi_nl_channel_attrs - NCSI netlink channel-specific attributes
*
* @NCSI_CHANNEL_ATTR_UNSPEC: unspecified attributes to catch errors
* @NCSI_CHANNEL_ATTR: nested array of channel attributes
* @NCSI_CHANNEL_ATTR_ID: channel ID
* @NCSI_CHANNEL_ATTR_VERSION_MAJOR: channel major version number
* @NCSI_CHANNEL_ATTR_VERSION_MINOR: channel minor version number
* @NCSI_CHANNEL_ATTR_VERSION_STR: channel version string
* @NCSI_CHANNEL_ATTR_LINK_STATE: channel link state flags
* @NCSI_CHANNEL_ATTR_ACTIVE: channels with this flag are in
* NCSI_CHANNEL_ACTIVE state
* @NCSI_CHANNEL_ATTR_FORCED: flag signifying a channel has been set as
* preferred
* @NCSI_CHANNEL_ATTR_VLAN_LIST: nested array of NCSI_CHANNEL_ATTR_VLAN_IDs
* @NCSI_CHANNEL_ATTR_VLAN_ID: VLAN ID being filtered on this channel
* @NCSI_CHANNEL_ATTR_MAX: highest attribute number
*/
enum ncsi_nl_channel_attrs {
NCSI_CHANNEL_ATTR_UNSPEC,
NCSI_CHANNEL_ATTR,
NCSI_CHANNEL_ATTR_ID,
NCSI_CHANNEL_ATTR_VERSION_MAJOR,
NCSI_CHANNEL_ATTR_VERSION_MINOR,
NCSI_CHANNEL_ATTR_VERSION_STR,
NCSI_CHANNEL_ATTR_LINK_STATE,
NCSI_CHANNEL_ATTR_ACTIVE,
NCSI_CHANNEL_ATTR_FORCED,
NCSI_CHANNEL_ATTR_VLAN_LIST,
NCSI_CHANNEL_ATTR_VLAN_ID,
__NCSI_CHANNEL_ATTR_AFTER_LAST,
NCSI_CHANNEL_ATTR_MAX = __NCSI_CHANNEL_ATTR_AFTER_LAST - 1
};
#endif /* __UAPI_NCSI_NETLINK_H__ */