diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nicvf_queues.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index a3d12dbde95b..d42704d07484 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -759,6 +759,7 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, if (!rq->enable) { nicvf_reclaim_rcv_queue(nic, qs, qidx); + xdp_rxq_info_unreg(&rq->xdp_rxq); return; } @@ -771,6 +772,9 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, /* all writes of RBDR data to be loaded into L2 Cache as well*/ rq->caching = 1; + /* Driver have no proper error path for failed XDP RX-queue info reg */ + WARN_ON(xdp_rxq_info_reg(&rq->xdp_rxq, nic->netdev, qidx) < 0); + /* Send a mailbox msg to PF to config RQ */ mbx.rq.msg = NIC_MBOX_MSG_RQ_CFG; mbx.rq.qs_num = qs->vnic_id; @@ -977,6 +981,9 @@ void nicvf_qset_config(struct nicvf *nic, bool enable) qs_cfg->be = 1; #endif qs_cfg->vnic = qs->vnic_id; + /* Enable Tx timestamping capability */ + if (nic->ptp_clock) + qs_cfg->send_tstmp_ena = 1; } nicvf_send_msg_to_pf(nic, &mbx); } @@ -1384,6 +1391,29 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry, hdr->inner_l3_offset = skb_network_offset(skb) - 2; this_cpu_inc(nic->pnicvf->drv_stats->tx_tso); } + + /* Check if timestamp is requested */ + if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) { + skb_tx_timestamp(skb); + return; + } + + /* Tx timestamping not supported along with TSO, so ignore request */ + if (skb_shinfo(skb)->gso_size) + return; + + /* HW supports only a single outstanding packet to timestamp */ + if (!atomic_add_unless(&nic->pnicvf->tx_ptp_skbs, 1, 1)) + return; + + /* Mark the SKB for later reference */ + skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; + + /* Finally enable timestamp generation + * Since 'post_cqe' is also set, two CQEs will be posted + * for this packet i.e CQE_TYPE_SEND and CQE_TYPE_SEND_PTP. + */ + hdr->tstmp = 1; } /* SQ GATHER subdescriptor |