src: add input flags for nft_ctx

Similar to the existing output flags, add input flags. No flags are yet
implemented, that will follow.

One difference to nft_ctx_output_set_flags(), is that the setter for
input flags returns the previously set flags.

Signed-off-by: Thomas Haller <thaller@redhat.com>
Reviewed-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/doc/libnftables.adoc b/doc/libnftables.adoc
index 7ea0d56e..a0d3521e 100644
--- a/doc/libnftables.adoc
+++ b/doc/libnftables.adoc
@@ -18,6 +18,9 @@ void nft_ctx_free(struct nft_ctx* '\*ctx'*);
 bool nft_ctx_get_dry_run(struct nft_ctx* '\*ctx'*);
 void nft_ctx_set_dry_run(struct nft_ctx* '\*ctx'*, bool* 'dry'*);
 
+unsigned int nft_ctx_input_get_flags(struct nft_ctx* '\*ctx'*);
+unsigned int nft_ctx_input_set_flags(struct nft_ctx* '\*ctx'*, unsigned int* 'flags'*);
+
 unsigned int nft_ctx_output_get_flags(struct nft_ctx* '\*ctx'*);
 void nft_ctx_output_set_flags(struct nft_ctx* '\*ctx'*, unsigned int* 'flags'*);
 
@@ -78,6 +81,16 @@ The *nft_ctx_get_dry_run*() function returns the dry-run setting's value contain
 
 The *nft_ctx_set_dry_run*() function sets the dry-run setting in 'ctx' to the value of 'dry'.
 
+=== nft_ctx_input_get_flags() and nft_ctx_input_set_flags()
+The flags setting controls the input format.
+
+Currently no flags are implemented.
+
+The *nft_ctx_input_get_flags*() function returns the input flags setting's value in 'ctx'.
+
+The *nft_ctx_input_set_flags*() function sets the input flags setting in 'ctx' to the value of 'val'
+and returns the previous flags.
+
 === nft_ctx_output_get_flags() and nft_ctx_output_set_flags()
 The flags setting controls the output format.