diff options
Diffstat (limited to 'net/netfilter/nft_bitwise.c')
| -rw-r--r-- | net/netfilter/nft_bitwise.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c index d0cc5f753e52..88a91c63f213 100644 --- a/net/netfilter/nft_bitwise.c +++ b/net/netfilter/nft_bitwise.c @@ -24,16 +24,27 @@ struct nft_bitwise { struct nft_data xor; }; +static void nft_bitwise_eval_bool(u32 *dst, const u32 *src, + const struct nft_bitwise *priv) +{ + unsigned int i; + + for (i = 0; i < DIV_ROUND_UP(priv->len, 4); i++) + dst[i] = (src[i] & priv->mask.data[i]) ^ priv->xor.data[i]; +} + void nft_bitwise_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) { const struct nft_bitwise *priv = nft_expr_priv(expr); const u32 *src = ®s->data[priv->sreg]; u32 *dst = ®s->data[priv->dreg]; - unsigned int i; - for (i = 0; i < DIV_ROUND_UP(priv->len, 4); i++) - dst[i] = (src[i] & priv->mask.data[i]) ^ priv->xor.data[i]; + switch (priv->op) { + case NFT_BITWISE_BOOL: + nft_bitwise_eval_bool(dst, src, priv); + break; + } } static const struct nla_policy nft_bitwise_policy[NFTA_BITWISE_MAX + 1] = { |