roc_acquire_tlv
.len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
struct roc_acquire_tlv roc[2];
.roc[0].len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
.roc[1].len = cpu_to_le16(sizeof(struct roc_acquire_tlv))
req.roc[i].len = cpu_to_le16(sizeof(struct roc_acquire_tlv));
struct roc_acquire_tlv roc;
.len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),