The original intention in eb58f53372e7 ("src: add flowtable support") was to introduce this helper function. Add helper to set and to get array of strings. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- include/libnftnl/chain.h | 2 ++ include/libnftnl/flowtable.h | 4 ++-- src/chain.c | 18 ++++++++++++++++++ src/flowtable.c | 18 ++++++++++++++++++ src/libnftnl.map | 4 ++++ 5 files changed, 44 insertions(+), 2 deletions(-) diff --git a/include/libnftnl/chain.h b/include/libnftnl/chain.h index 33d04e19b05f..edb1279a20c2 100644 --- a/include/libnftnl/chain.h +++ b/include/libnftnl/chain.h @@ -46,6 +46,7 @@ void nftnl_chain_set_u32(struct nftnl_chain *t, uint16_t attr, uint32_t data); void nftnl_chain_set_s32(struct nftnl_chain *t, uint16_t attr, int32_t data); void nftnl_chain_set_u64(struct nftnl_chain *t, uint16_t attr, uint64_t data); int nftnl_chain_set_str(struct nftnl_chain *t, uint16_t attr, const char *str); +int nftnl_chain_set_array(struct nftnl_chain *t, uint16_t attr, const char **data); const void *nftnl_chain_get(const struct nftnl_chain *c, uint16_t attr); const void *nftnl_chain_get_data(const struct nftnl_chain *c, uint16_t attr, @@ -55,6 +56,7 @@ uint8_t nftnl_chain_get_u8(const struct nftnl_chain *c, uint16_t attr); uint32_t nftnl_chain_get_u32(const struct nftnl_chain *c, uint16_t attr); int32_t nftnl_chain_get_s32(const struct nftnl_chain *c, uint16_t attr); uint64_t nftnl_chain_get_u64(const struct nftnl_chain *c, uint16_t attr); +const char * const *nftnl_chain_get_array(const struct nftnl_chain *c, uint16_t attr); void nftnl_chain_rule_add(struct nftnl_rule *rule, struct nftnl_chain *c); void nftnl_chain_rule_del(struct nftnl_rule *rule); diff --git a/include/libnftnl/flowtable.h b/include/libnftnl/flowtable.h index bdff114aba54..352f8a50adef 100644 --- a/include/libnftnl/flowtable.h +++ b/include/libnftnl/flowtable.h @@ -41,7 +41,7 @@ void nftnl_flowtable_set_u32(struct nftnl_flowtable *t, uint16_t attr, uint32_t void nftnl_flowtable_set_s32(struct nftnl_flowtable *t, uint16_t attr, int32_t data); void nftnl_flowtable_set_u64(struct nftnl_flowtable *t, uint16_t attr, uint64_t data); int nftnl_flowtable_set_str(struct nftnl_flowtable *t, uint16_t attr, const char *str); -void nftnl_flowtable_set_array(struct nftnl_flowtable *t, uint16_t attr, const char **data); +int nftnl_flowtable_set_array(struct nftnl_flowtable *t, uint16_t attr, const char **data); const void *nftnl_flowtable_get(const struct nftnl_flowtable *c, uint16_t attr); const void *nftnl_flowtable_get_data(const struct nftnl_flowtable *c, uint16_t attr, @@ -50,7 +50,7 @@ const char *nftnl_flowtable_get_str(const struct nftnl_flowtable *c, uint16_t at uint32_t nftnl_flowtable_get_u32(const struct nftnl_flowtable *c, uint16_t attr); int32_t nftnl_flowtable_get_s32(const struct nftnl_flowtable *c, uint16_t attr); uint64_t nftnl_flowtable_get_u64(const struct nftnl_flowtable *c, uint16_t attr); -const char **nftnl_flowtable_get_array(const struct nftnl_flowtable *t, uint16_t attr); +const char * const *nftnl_flowtable_get_array(const struct nftnl_flowtable *t, uint16_t attr); struct nlmsghdr; diff --git a/src/chain.c b/src/chain.c index b4066e4d4e88..e25eb0f5934b 100644 --- a/src/chain.c +++ b/src/chain.c @@ -319,6 +319,13 @@ int nftnl_chain_set_str(struct nftnl_chain *c, uint16_t attr, const char *str) return nftnl_chain_set_data(c, attr, str, strlen(str) + 1); } +EXPORT_SYMBOL(nftnl_chain_set_array); +int nftnl_chain_set_array(struct nftnl_chain *c, uint16_t attr, + const char **data) +{ + return nftnl_chain_set_data(c, attr, data, 0); +} + EXPORT_SYMBOL(nftnl_chain_get_data); const void *nftnl_chain_get_data(const struct nftnl_chain *c, uint16_t attr, uint32_t *data_len) @@ -426,6 +433,17 @@ uint8_t nftnl_chain_get_u8(const struct nftnl_chain *c, uint16_t attr) return val ? *val : 0; } +EXPORT_SYMBOL(nftnl_chain_get_array); +const char * const *nftnl_chain_get_array(const struct nftnl_chain *c, uint16_t attr) +{ + uint32_t data_len; + const char * const *val = nftnl_chain_get_data(c, attr, &data_len); + + nftnl_assert(val, attr, attr == NFTNL_CHAIN_DEVICES); + + return val; +} + EXPORT_SYMBOL(nftnl_chain_nlmsg_build_payload); void nftnl_chain_nlmsg_build_payload(struct nlmsghdr *nlh, const struct nftnl_chain *c) { diff --git a/src/flowtable.c b/src/flowtable.c index 1e235d0ba50f..6e18dde8242e 100644 --- a/src/flowtable.c +++ b/src/flowtable.c @@ -206,6 +206,13 @@ void nftnl_flowtable_set_u64(struct nftnl_flowtable *c, uint16_t attr, uint64_t nftnl_flowtable_set_data(c, attr, &data, sizeof(uint64_t)); } +EXPORT_SYMBOL(nftnl_flowtable_set_array); +int nftnl_flowtable_set_array(struct nftnl_flowtable *c, uint16_t attr, + const char **data) +{ + return nftnl_flowtable_set_data(c, attr, data, 0); +} + EXPORT_SYMBOL(nftnl_flowtable_get_data); const void *nftnl_flowtable_get_data(const struct nftnl_flowtable *c, uint16_t attr, uint32_t *data_len) @@ -290,6 +297,17 @@ int32_t nftnl_flowtable_get_s32(const struct nftnl_flowtable *c, uint16_t attr) return val ? *val : 0; } +EXPORT_SYMBOL(nftnl_flowtable_get_array); +const char * const *nftnl_flowtable_get_array(const struct nftnl_flowtable *c, uint16_t attr) +{ + uint32_t data_len; + const char * const *val = nftnl_flowtable_get_data(c, attr, &data_len); + + nftnl_assert(val, attr, attr == NFTNL_FLOWTABLE_DEVICES); + + return val; +} + EXPORT_SYMBOL(nftnl_flowtable_nlmsg_build_payload); void nftnl_flowtable_nlmsg_build_payload(struct nlmsghdr *nlh, const struct nftnl_flowtable *c) diff --git a/src/libnftnl.map b/src/libnftnl.map index 5ba8d995440e..f62640f83e6b 100644 --- a/src/libnftnl.map +++ b/src/libnftnl.map @@ -363,4 +363,8 @@ LIBNFTNL_13 { LIBNFTNL_14 { nftnl_udata_nest_start; nftnl_udata_nest_end; + nftnl_chain_set_array; + nftnl_chain_get_array; + nftnl_flowtable_set_array; + nftnl_flowtable_get_array; } LIBNFTNL_13; -- 2.11.0