diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/netlink_delinearize.c | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c index bd75ad5c..0c2b439e 100644 --- a/src/netlink_delinearize.c +++ b/src/netlink_delinearize.c @@ -134,6 +134,50 @@ err: return NULL; } +static struct expr *netlink_parse_concat_key(struct netlink_parse_ctx *ctx, + const struct location *loc, + unsigned int reg, + const struct expr *key) +{ + uint32_t type = key->dtype->type; + unsigned int n, len = key->len; + struct expr *concat, *expr; + unsigned int consumed; + + concat = concat_expr_alloc(loc); + n = div_round_up(fls(type), TYPE_BITS); + + while (len > 0) { + const struct datatype *i; + + expr = netlink_get_register(ctx, loc, reg); + if (expr == NULL) { + netlink_error(ctx, loc, + "Concat expression size mismatch"); + goto err; + } + + if (n > 0 && concat_subtype_id(type, --n)) { + i = concat_subtype_lookup(type, n); + + expr_set_type(expr, i, i->byteorder); + } + + compound_expr_add(concat, expr); + + consumed = netlink_padded_len(expr->len); + assert(consumed > 0); + len -= consumed; + reg += netlink_register_space(expr->len); + } + + return concat; + +err: + expr_free(concat); + return NULL; +} + static struct expr *netlink_parse_concat_data(struct netlink_parse_ctx *ctx, const struct location *loc, unsigned int reg, @@ -1572,7 +1616,7 @@ static void netlink_parse_dynset(struct netlink_parse_ctx *ctx, if (expr->len < set->key->len) { expr_free(expr); - expr = netlink_parse_concat_expr(ctx, loc, sreg, set->key->len); + expr = netlink_parse_concat_key(ctx, loc, sreg, set->key); if (expr == NULL) return; } |