On Thu, 6 Feb 2025 21:46:45 +0100
Ariel Otilibili <ariel.otilib...@6wind.com> wrote:
>
> +static inline struct xdp_desc *
> +reserve_and_fill(struct pkt_tx_queue *txq, struct rte_mbuf *mbuf,
> + struct xsk_umem_info *umem, void **pkt_ptr)
> +{
> + struct xdp_desc *desc = NULL;
> + uint64_t addr, offset;
> + uint32_t idx_tx;
> +
> + if (!xsk_ring_prod__reserve(&txq->tx, 1, &idx_tx))
> + goto out;
> +
> + desc = xsk_ring_prod__tx_desc(&txq->tx, idx_tx);
> + desc->len = mbuf->pkt_len;
> +
> + addr = (uint64_t)mbuf - (uint64_t)umem->buffer
> + - umem->mb_pool->header_size;
addr (and the cast of mbuf) should probably be uintptr_t since the
intent is to do calculations with pointers.
