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c317d3f246
This allows Zebra to manage QDISC, TCLASS, TFILTER in kernel and do cleaning jobs when it starts up. Signed-off-by: Siger Yang <siger.yang@outlook.com>
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* Zebra Traffic Control (TC) interaction with the kernel using netlink.
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*
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* Copyright (C) 2022 Shichu Yang
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ZEBRA_TC_NETLINK_H
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#define _ZEBRA_TC_NETLINK_H
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#ifdef HAVE_NETLINK
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Represent a prefixed address in flower filter */
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struct inet_prefix {
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uint16_t flags;
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uint16_t bytelen;
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uint16_t bitlen;
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uint16_t family;
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uint32_t data[64];
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};
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enum {
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PREFIXLEN_SPECIFIED = (1 << 0),
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ADDRTYPE_INET = (1 << 1),
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ADDRTYPE_UNSPEC = (1 << 2),
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ADDRTYPE_MULTI = (1 << 3),
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ADDRTYPE_INET_UNSPEC = ADDRTYPE_INET | ADDRTYPE_UNSPEC,
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ADDRTYPE_INET_MULTI = ADDRTYPE_INET | ADDRTYPE_MULTI
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};
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extern enum netlink_msg_status
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netlink_put_tc_qdisc_update_msg(struct nl_batch *bth,
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struct zebra_dplane_ctx *ctx);
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extern enum netlink_msg_status
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netlink_put_tc_class_update_msg(struct nl_batch *bth,
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struct zebra_dplane_ctx *ctx);
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extern enum netlink_msg_status
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netlink_put_tc_filter_update_msg(struct nl_batch *bth,
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struct zebra_dplane_ctx *ctx);
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/**
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* "filter" & "class" in the following become "tfilter" & "tclass" for
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* the sake of consistency with kernel message types (RTM_NEWTFILTER etc.)
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*/
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extern int netlink_qdisc_read(struct zebra_ns *zns);
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extern int netlink_tfilter_read_for_interface(struct zebra_ns *zns,
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ifindex_t ifindex);
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extern int netlink_tfilter_change(struct nlmsghdr *h, ns_id_t ns_id,
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int startup);
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extern int netlink_tclass_change(struct nlmsghdr *h, ns_id_t ns_id,
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int startup);
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extern int netlink_qdisc_change(struct nlmsghdr *h, ns_id_t ns_id, int startup);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAVE_NETLINK */
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#endif /* _ZEBRA_TC_NETLINK_H */
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