From: Praveen Shetty <[email protected]> This patch will add the jumbo packets handling in the idpf_dp_splitq_recv_pkts function.
Signed-off-by: Praveen Shetty <[email protected]> Signed-off-by: Dhananjay Shukla <[email protected]> Signed-off-by: atulpatel261194 <[email protected]> --- drivers/net/intel/idpf/idpf_common_rxtx.c | 50 ++++++++++++++++++----- 1 file changed, 40 insertions(+), 10 deletions(-) diff --git a/drivers/net/intel/idpf/idpf_common_rxtx.c b/drivers/net/intel/idpf/idpf_common_rxtx.c index eb25b091d8..412aff8f5f 100644 --- a/drivers/net/intel/idpf/idpf_common_rxtx.c +++ b/drivers/net/intel/idpf/idpf_common_rxtx.c @@ -623,10 +623,12 @@ idpf_dp_splitq_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, volatile struct virtchnl2_rx_flex_desc_adv_nic_3 *rx_desc_ring; volatile struct virtchnl2_rx_flex_desc_adv_nic_3 *rx_desc; uint16_t pktlen_gen_bufq_id; - struct idpf_rx_queue *rxq; + struct idpf_rx_queue *rxq = rx_queue; const uint32_t *ptype_tbl; uint8_t status_err0_qw1; struct idpf_adapter *ad; + struct rte_mbuf *first_seg = rxq->pkt_first_seg; + struct rte_mbuf *last_seg = rxq->pkt_last_seg; struct rte_mbuf *rxm; uint16_t rx_id_bufq1; uint16_t rx_id_bufq2; @@ -659,6 +661,7 @@ idpf_dp_splitq_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, pktlen_gen_bufq_id = rte_le_to_cpu_16(rx_desc->pktlen_gen_bufq_id); + status_err0_qw1 = rte_le_to_cpu_16(rx_desc->status_err0_qw1); gen_id = (pktlen_gen_bufq_id & VIRTCHNL2_RX_FLEX_DESC_ADV_GEN_M) >> VIRTCHNL2_RX_FLEX_DESC_ADV_GEN_S; @@ -697,16 +700,39 @@ idpf_dp_splitq_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, rxm->pkt_len = pkt_len; rxm->data_len = pkt_len; rxm->data_off = RTE_PKTMBUF_HEADROOM; + + /* + * If this is the first buffer of the received packet, set the + * pointer to the first mbuf of the packet and initialize its + * context. Otherwise, update the total length and the number + * of segments of the current scattered packet, and update the + * pointer to the last mbuf of the current packet. + */ + if (!first_seg) { + first_seg = rxm; + first_seg->nb_segs = 1; + first_seg->pkt_len = pkt_len; + } else { + first_seg->pkt_len = + (uint16_t)(first_seg->pkt_len + + pkt_len); + first_seg->nb_segs++; + last_seg->next = rxm; + } + + if (!(status_err0_qw1 & (1 << VIRTCHNL2_RX_FLEX_DESC_ADV_STATUS0_EOF_S))) { + last_seg = rxm; + continue; + } + rxm->next = NULL; - rxm->nb_segs = 1; - rxm->port = rxq->port_id; - rxm->ol_flags = 0; - rxm->packet_type = + first_seg->port = rxq->port_id; + first_seg->ol_flags = 0; + first_seg->packet_type = ptype_tbl[(rte_le_to_cpu_16(rx_desc->ptype_err_fflags0) & VIRTCHNL2_RX_FLEX_DESC_ADV_PTYPE_M) >> VIRTCHNL2_RX_FLEX_DESC_ADV_PTYPE_S]; - - status_err0_qw1 = rx_desc->status_err0_qw1; + status_err0_qw1 = rte_le_to_cpu_16(rx_desc->status_err0_qw1); pkt_flags = idpf_splitq_rx_csum_offload(status_err0_qw1); pkt_flags |= idpf_splitq_rx_rss_offload(rxm, rx_desc); if (idpf_timestamp_dynflag > 0 && @@ -719,16 +745,20 @@ idpf_dp_splitq_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, *RTE_MBUF_DYNFIELD(rxm, idpf_timestamp_dynfield_offset, rte_mbuf_timestamp_t *) = ts_ns; - rxm->ol_flags |= idpf_timestamp_dynflag; + first_seg->ol_flags |= idpf_timestamp_dynflag; } - rxm->ol_flags |= pkt_flags; + first_seg->ol_flags |= pkt_flags; - rx_pkts[nb_rx++] = rxm; + rx_pkts[nb_rx++] = first_seg; + + first_seg = NULL; } if (nb_rx > 0) { rxq->rx_tail = rx_id; + rxq->pkt_first_seg = first_seg; + rxq->pkt_last_seg = last_seg; if (rx_id_bufq1 != rxq->bufq1->rx_next_avail) rxq->bufq1->rx_next_avail = rx_id_bufq1; if (rx_id_bufq2 != rxq->bufq2->rx_next_avail) -- 2.37.3
