From 055c52583a2794da8ba1e85a48cce3832372b12f Mon Sep 17 00:00:00 2001 From: Luca Boccassi Date: Wed, 8 Nov 2017 14:15:11 +0000 Subject: New upstream version 17.11-rc3 Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685 Signed-off-by: Luca Boccassi --- drivers/net/sfc/sfc_tx.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 57 insertions(+), 1 deletion(-) (limited to 'drivers/net/sfc/sfc_tx.c') diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c index fc439cb6..127d59e6 100644 --- a/drivers/net/sfc/sfc_tx.c +++ b/drivers/net/sfc/sfc_tx.c @@ -91,6 +91,21 @@ sfc_tx_qcheck_conf(struct sfc_adapter *sa, uint16_t nb_tx_desc, rc = EINVAL; } + if (((flags & ETH_TXQ_FLAGS_NOMULTMEMP) == 0) && + (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)) { + sfc_err(sa, "multi-mempool is not supported by %s datapath", + sa->dp_tx->dp.name); + rc = EINVAL; + } + + if (((flags & ETH_TXQ_FLAGS_NOREFCOUNT) == 0) && + (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)) { + sfc_err(sa, + "mbuf reference counters are neglected by %s datapath", + sa->dp_tx->dp.name); + rc = EINVAL; + } + if ((flags & ETH_TXQ_FLAGS_NOVLANOFFL) == 0) { if (!encp->enc_hw_tx_insert_vlan_enabled) { sfc_err(sa, "VLAN offload is not supported"); @@ -750,7 +765,7 @@ sfc_efx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) size_t seg_len; seg_len = m_seg->data_len; - next_frag = rte_mbuf_data_dma_addr(m_seg); + next_frag = rte_mbuf_data_iova(m_seg); /* * If we've started TSO transaction few steps earlier, @@ -977,6 +992,44 @@ sfc_efx_tx_qreap(struct sfc_dp_txq *dp_txq) txq->flags &= ~SFC_EFX_TXQ_FLAG_STARTED; } +static sfc_dp_tx_qdesc_status_t sfc_efx_tx_qdesc_status; +static int +sfc_efx_tx_qdesc_status(struct sfc_dp_txq *dp_txq, uint16_t offset) +{ + struct sfc_efx_txq *txq = sfc_efx_txq_by_dp_txq(dp_txq); + + if (unlikely(offset > txq->ptr_mask)) + return -EINVAL; + + if (unlikely(offset >= EFX_TXQ_LIMIT(txq->ptr_mask + 1))) + return RTE_ETH_TX_DESC_UNAVAIL; + + /* + * Poll EvQ to derive up-to-date 'txq->pending' figure; + * it is required for the queue to be running, but the + * check is omitted because API design assumes that it + * is the duty of the caller to satisfy all conditions + */ + SFC_ASSERT((txq->flags & SFC_EFX_TXQ_FLAG_RUNNING) == + SFC_EFX_TXQ_FLAG_RUNNING); + sfc_ev_qpoll(txq->evq); + + /* + * Ring tail is 'txq->pending', and although descriptors + * between 'txq->completed' and 'txq->pending' are still + * in use by the driver, they should be reported as DONE + */ + if (unlikely(offset < (txq->added - txq->pending))) + return RTE_ETH_TX_DESC_FULL; + + /* + * There is no separate return value for unused descriptors; + * the latter will be reported as DONE because genuine DONE + * descriptors will be freed anyway in SW on the next burst + */ + return RTE_ETH_TX_DESC_DONE; +} + struct sfc_dp_tx sfc_efx_tx = { .dp = { .name = SFC_KVARG_DATAPATH_EFX, @@ -985,11 +1038,14 @@ struct sfc_dp_tx sfc_efx_tx = { }, .features = SFC_DP_TX_FEAT_VLAN_INSERT | SFC_DP_TX_FEAT_TSO | + SFC_DP_TX_FEAT_MULTI_POOL | + SFC_DP_TX_FEAT_REFCNT | SFC_DP_TX_FEAT_MULTI_SEG, .qcreate = sfc_efx_tx_qcreate, .qdestroy = sfc_efx_tx_qdestroy, .qstart = sfc_efx_tx_qstart, .qstop = sfc_efx_tx_qstop, .qreap = sfc_efx_tx_qreap, + .qdesc_status = sfc_efx_tx_qdesc_status, .pkt_burst = sfc_efx_xmit_pkts, }; -- cgit 1.2.3-korg