diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/netlink_linearize.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/netlink_linearize.c b/src/netlink_linearize.c index 63f77f65..b2cb98dd 100644 --- a/src/netlink_linearize.c +++ b/src/netlink_linearize.c @@ -277,6 +277,15 @@ static void netlink_gen_range(struct netlink_linearize_ctx *ctx, const struct expr *expr, enum nft_registers dreg); +static void payload_shift_value(const struct expr *left, struct expr *right) +{ + if (right->ops->type != EXPR_VALUE || + left->ops->type != EXPR_PAYLOAD) + return; + + mpz_lshift_ui(right->value, left->payload.offset % BITS_PER_BYTE); +} + static void netlink_gen_cmp(struct netlink_linearize_ctx *ctx, const struct expr *expr, enum nft_registers dreg) @@ -325,6 +334,7 @@ static void netlink_gen_cmp(struct netlink_linearize_ctx *ctx, netlink_put_register(nle, NFTNL_EXPR_CMP_SREG, sreg); nftnl_expr_set_u32(nle, NFTNL_EXPR_CMP_OP, netlink_gen_cmp_op(expr->op)); + payload_shift_value(expr->left, right); netlink_gen_data(right, &nld); nftnl_expr_set(nle, NFTNL_EXPR_CMP_DATA, nld.value, nld.len); release_register(ctx, expr->left); |