u8 dreg;
u8 dir;
u8 spnum;
+ u8 len;
};
static int nft_xfrm_get_init(const struct nft_ctx *ctx,
priv->spnum = spnum;
+ priv->len = len;
return nft_parse_register_store(ctx, tb[NFTA_XFRM_DREG], &priv->dreg,
NULL, NFT_DATA_VALUE, len);
}
return nft_chain_validate_hooks(ctx->chain, hooks);
}
+static bool nft_xfrm_reduce(struct nft_regs_track *track,
+ const struct nft_expr *expr)
+{
+ const struct nft_xfrm *priv = nft_expr_priv(expr);
+ const struct nft_xfrm *xfrm;
+
+ if (!nft_reg_track_cmp(track, expr, priv->dreg)) {
+ nft_reg_track_update(track, expr, priv->dreg, priv->len);
+ return false;
+ }
+
+ xfrm = nft_expr_priv(track->regs[priv->dreg].selector);
+ if (priv->key != xfrm->key ||
+ priv->dreg != xfrm->dreg ||
+ priv->dir != xfrm->dir ||
+ priv->spnum != xfrm->spnum) {
+ nft_reg_track_update(track, expr, priv->dreg, priv->len);
+ return false;
+ }
+
+ if (!track->regs[priv->dreg].bitwise)
+ return true;
+
+ return nft_expr_reduce_bitwise(track, expr);
+}
static struct nft_expr_type nft_xfrm_type;
static const struct nft_expr_ops nft_xfrm_get_ops = {
.init = nft_xfrm_get_init,
.dump = nft_xfrm_get_dump,
.validate = nft_xfrm_validate,
+ .reduce = nft_xfrm_reduce,
};
static struct nft_expr_type nft_xfrm_type __read_mostly = {