From 6bfbafe18d15948a9be88350fe780c12e2e5883e Mon Sep 17 00:00:00 2001 From: Nipun Gupta Date: Wed, 24 Feb 2021 18:12:54 +0530 Subject: [PATCH] net/dpaa2: support external buffers in Tx This patch support Tx of external allocated buffers. Signed-off-by: Nipun Gupta Signed-off-by: Sachin Saxena Acked-by: Hemant Agrawal --- drivers/net/dpaa2/dpaa2_rxtx.c | 42 ++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c index c11ed0ee61..7deba3aed3 100644 --- a/drivers/net/dpaa2/dpaa2_rxtx.c +++ b/drivers/net/dpaa2/dpaa2_rxtx.c @@ -450,6 +450,9 @@ eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf, } } cur_seg = cur_seg->next; + } else if (RTE_MBUF_HAS_EXTBUF(cur_seg)) { + DPAA2_SET_FLE_IVP(sge); + cur_seg = cur_seg->next; } else { /* Get owner MBUF from indirect buffer */ mi = rte_mbuf_from_indirect(cur_seg); @@ -494,6 +497,8 @@ eth_mbuf_to_fd(struct rte_mbuf *mbuf, DPAA2_SET_FD_IVP(fd); rte_mbuf_refcnt_update(mbuf, -1); } + } else if (RTE_MBUF_HAS_EXTBUF(mbuf)) { + DPAA2_SET_FD_IVP(fd); } else { struct rte_mbuf *mi; @@ -1065,6 +1070,7 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data; struct dpaa2_dev_priv *priv = eth_data->dev_private; uint32_t flags[MAX_TX_RING_SLOTS] = {0}; + struct rte_mbuf **orig_bufs = bufs; if (unlikely(!DPAA2_PER_LCORE_DPIO)) { ret = dpaa2_affine_qbman_swp(); @@ -1148,6 +1154,24 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) mi = rte_mbuf_from_indirect(*bufs); mp = mi->pool; } + + if (unlikely(RTE_MBUF_HAS_EXTBUF(*bufs))) { + if (unlikely((*bufs)->nb_segs > 1)) { + if (eth_mbuf_to_sg_fd(*bufs, + &fd_arr[loop], + mp, 0)) + goto send_n_return; + } else { + eth_mbuf_to_fd(*bufs, + &fd_arr[loop], 0); + } + bufs++; +#ifdef RTE_LIBRTE_IEEE1588 + enable_tx_tstamp(&fd_arr[loop]); +#endif + continue; + } + /* Not a hw_pkt pool allocated frame */ if (unlikely(!mp || !priv->bp_list)) { DPAA2_PMD_ERR("Err: No buffer pool attached"); @@ -1220,6 +1244,15 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) nb_pkts -= loop; } dpaa2_q->tx_pkts += num_tx; + + loop = 0; + while (loop < num_tx) { + if (unlikely(RTE_MBUF_HAS_EXTBUF(*orig_bufs))) + rte_pktmbuf_free(*orig_bufs); + orig_bufs++; + loop++; + } + return num_tx; send_n_return: @@ -1246,6 +1279,15 @@ send_n_return: } skip_tx: dpaa2_q->tx_pkts += num_tx; + + loop = 0; + while (loop < num_tx) { + if (unlikely(RTE_MBUF_HAS_EXTBUF(*orig_bufs))) + rte_pktmbuf_free(*orig_bufs); + orig_bufs++; + loop++; + } + return num_tx; } -- 2.20.1