diff options
Diffstat (limited to 'lib/route/link/sit.c')
| -rw-r--r-- | lib/route/link/sit.c | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/lib/route/link/sit.c b/lib/route/link/sit.c index 88565137..fabb811f 100644 --- a/lib/route/link/sit.c +++ b/lib/route/link/sit.c @@ -1,11 +1,5 @@ +/* SPDX-License-Identifier: LGPL-2.1-only */ /* - * lib/route/link/sit.c SIT Link Info - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation version 2.1 - * of the License. - * * Copyright (c) 2014 Susant Sahani <susant@redhat.com> */ @@ -44,6 +38,7 @@ #define SIT_ATTR_6RD_RELAY_PREFIX (1 << 9) #define SIT_ATTR_6RD_PREFIXLEN (1 << 10) #define SIT_ATTR_6RD_RELAY_PREFIXLEN (1 << 11) +#define SIT_ATTR_FWMARK (1 << 12) struct sit_info { @@ -59,6 +54,7 @@ struct sit_info uint32_t ip6rd_relay_prefix; uint16_t ip6rd_prefixlen; uint16_t ip6rd_relay_prefixlen; + uint32_t fwmark; uint32_t sit_mask; }; @@ -75,6 +71,7 @@ static struct nla_policy sit_policy[IFLA_IPTUN_MAX + 1] = { [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NLA_U32 }, [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NLA_U16 }, [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NLA_U16 }, + [IFLA_IPTUN_FWMARK] = { .type = NLA_U32 }, }; static int sit_alloc(struct rtnl_link *link) @@ -174,6 +171,11 @@ static int sit_parse(struct rtnl_link *link, struct nlattr *data, sit->sit_mask |= SIT_ATTR_6RD_RELAY_PREFIXLEN; } + if (tb[IFLA_IPTUN_FWMARK]) { + sit->fwmark = nla_get_u32(tb[IFLA_IPTUN_FWMARK]); + sit->sit_mask |= SIT_ATTR_FWMARK; + } + err = 0; errout: @@ -225,6 +227,9 @@ static int sit_put_attrs(struct nl_msg *msg, struct rtnl_link *link) if (sit->sit_mask & SIT_ATTR_6RD_RELAY_PREFIXLEN) NLA_PUT_U16(msg, IFLA_IPTUN_6RD_RELAY_PREFIXLEN, sit->ip6rd_relay_prefixlen); + if (sit->sit_mask & SIT_ATTR_FWMARK) + NLA_PUT_U32(msg, IFLA_IPTUN_FWMARK, sit->fwmark); + nla_nest_end(msg, data); nla_put_failure: @@ -326,6 +331,11 @@ static void sit_dump_details(struct rtnl_link *link, struct nl_dump_params *p) nl_dump(p, " 6rd_relay_prefixlen "); nl_dump_line(p, "%d\n", sit->ip6rd_relay_prefixlen); } + + if (sit->sit_mask & SIT_ATTR_FWMARK) { + nl_dump(p, " fwmark "); + nl_dump_line(p, "%x\n", sit->fwmark); + } } static int sit_clone(struct rtnl_link *dst, struct rtnl_link *src) @@ -812,6 +822,42 @@ int rtnl_link_sit_get_ip6rd_relay_prefixlen(struct rtnl_link *link, uint16_t *pr return 0; } +/** + * Set SIT tunnel fwmark + * @arg link Link object + * @arg fwmark fwmark + * + * @return 0 on success or a negative error code + */ +int rtnl_link_sit_set_fwmark(struct rtnl_link *link, uint32_t fwmark) +{ + IS_SIT_LINK_ASSERT(link, sit); + + sit->fwmark = fwmark; + sit->sit_mask |= SIT_ATTR_FWMARK; + + return 0; +} + +/** + * Get SIT tunnel fwmark + * @arg link Link object + * @arg fwmark addr to fill in with the fwmark + * + * @return 0 on success or a negative error code + */ +int rtnl_link_sit_get_fwmark(struct rtnl_link *link, uint32_t *fwmark) +{ + IS_SIT_LINK_ASSERT(link, sit); + + if (!(sit->sit_mask & SIT_ATTR_FWMARK)) + return -NLE_NOATTR; + + *fwmark = sit->fwmark; + + return 0; +} + static void __init sit_init(void) { rtnl_link_register_info(&sit_info_ops); |