diff options
Diffstat (limited to 'src/expr/fib.c')
-rw-r--r-- | src/expr/fib.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/expr/fib.c b/src/expr/fib.c index aaff52a..59b335a 100644 --- a/src/expr/fib.c +++ b/src/expr/fib.c @@ -14,6 +14,7 @@ #include <string.h> #include <arpa/inet.h> #include <errno.h> +#include <net/if.h> #include <linux/netfilter/nf_tables.h> #include "internal.h" @@ -128,6 +129,45 @@ nftnl_expr_fib_parse(struct nftnl_expr *e, struct nlattr *attr) return ret; } +static int +nftnl_expr_fib_reg_len(const struct nftnl_expr *e) +{ + const struct nftnl_expr_fib *fib = nftnl_expr_data(e); + + switch (fib->result) { + case NFT_FIB_RESULT_OIF: + return sizeof(int); + case NFT_FIB_RESULT_OIFNAME: + return IFNAMSIZ; + case NFT_FIB_RESULT_ADDRTYPE: + return sizeof(uint32_t); + default: + assert(0); + break; + } + return sizeof(uint32_t); +} + +static bool +nftnl_expr_fib_reg_cmp(const struct nftnl_reg *reg, + const struct nftnl_expr *e) +{ + const struct nftnl_expr_fib *fib = nftnl_expr_data(e); + + return reg->fib.result == fib->result && + reg->fib.flags == fib->flags; +} + +static void +nftnl_expr_fib_reg_update(struct nftnl_reg *reg, + const struct nftnl_expr *e) +{ + const struct nftnl_expr_fib *fib = nftnl_expr_data(e); + + reg->fib.result = fib->result; + reg->fib.flags = fib->flags; +} + static const char *fib_type[NFT_FIB_RESULT_MAX + 1] = { [NFT_FIB_RESULT_OIF] = "oif", [NFT_FIB_RESULT_OIFNAME] = "oifname", @@ -199,4 +239,9 @@ struct expr_ops expr_ops_fib = { .parse = nftnl_expr_fib_parse, .build = nftnl_expr_fib_build, .snprintf = nftnl_expr_fib_snprintf, + .reg = { + .len = nftnl_expr_fib_reg_len, + .cmp = nftnl_expr_fib_reg_cmp, + .update = nftnl_expr_fib_reg_update, + }, }; |