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author | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-12-16 13:44:46 +0100 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-12-17 18:15:42 +0100 |
commit | 7e15d9dc8c6cda0e49720500bec74d2534c30d0d (patch) | |
tree | 16604671ea33f3c3b9fbba35dc367f7916d99786 /src/udata.c | |
parent | 7f72b5c2d8b1a3e1ebf3a02d2d2a7afcc67a50e5 (diff) |
udata: support for TLV attribute nesting
This patch adds nftnl_udata_nest_start() and nftnl_udata_nest_end()
to build attribute nests.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/udata.c')
-rw-r--r-- | src/udata.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/udata.c b/src/udata.c index 9f17395..0cc3520 100644 --- a/src/udata.c +++ b/src/udata.c @@ -150,3 +150,20 @@ int nftnl_udata_parse(const void *data, uint32_t data_len, nftnl_udata_cb_t cb, return ret; } + +EXPORT_SYMBOL(nftnl_udata_nest_start); +struct nftnl_udata *nftnl_udata_nest_start(struct nftnl_udata_buf *buf, + uint8_t type) +{ + struct nftnl_udata *ud = nftnl_udata_end(buf); + + nftnl_udata_put(buf, type, 0, NULL); + + return ud; +} + +EXPORT_SYMBOL(nftnl_udata_nest_end); +void nftnl_udata_nest_end(struct nftnl_udata_buf *buf, struct nftnl_udata *ud) +{ + ud->len = buf->end - (char *)ud->value; +} |