* [dpdk-dev] [PATCH v1] net/ice: fix build with 16 byte Rx descriptor in DCF
@ 2020-07-03 8:57 Ting Xu
2020-07-03 13:28 ` Zhang, Qi Z
0 siblings, 1 reply; 2+ messages in thread
From: Ting Xu @ 2020-07-03 8:57 UTC (permalink / raw)
To: dev; +Cc: qiming.yang, qi.z.zhang, stable
Fix the build error in DCF when CONFIG_RTE_LIBRTE_ICE_16BYTE_RX_DESC
compilation option is enabled. Legacy 16 byte Rx descriptor is not
supported in DCF. If it is enabled, DCF configuration stops.
Fixes: 929eceefaba7 ("net/ice: add queue start and stop for DCF")
Cc: stable@dpdk.org
Signed-off-by: Ting Xu <ting.xu@intel.com>
---
drivers/net/ice/ice_dcf.c | 15 +++++++++++++++
drivers/net/ice/ice_dcf_ethdev.c | 4 +++-
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
index 712f43825..2d803c57a 100644
--- a/drivers/net/ice/ice_dcf.c
+++ b/drivers/net/ice/ice_dcf.c
@@ -827,6 +827,7 @@ ice_dcf_init_rss(struct ice_dcf_hw *hw)
return 0;
}
+#define IAVF_RXDID_LEGACY_0 0
#define IAVF_RXDID_LEGACY_1 1
#define IAVF_RXDID_COMMS_GENERIC 16
@@ -872,6 +873,7 @@ ice_dcf_configure_queues(struct ice_dcf_hw *hw)
vc_qp->rxq.dma_ring_addr = rxq[i]->rx_ring_dma;
vc_qp->rxq.databuffer_size = rxq[i]->rx_buf_len;
+#ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
if (hw->vf_res->vf_cap_flags &
VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
hw->supported_rxdid &
@@ -883,6 +885,19 @@ ice_dcf_configure_queues(struct ice_dcf_hw *hw)
PMD_DRV_LOG(ERR, "RXDID 16 is not supported");
return -EINVAL;
}
+#else
+ if (hw->vf_res->vf_cap_flags &
+ VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&
+ hw->supported_rxdid &
+ BIT(IAVF_RXDID_LEGACY_0)) {
+ vc_qp->rxq.rxdid = IAVF_RXDID_LEGACY_0;
+ PMD_DRV_LOG(NOTICE, "request RXDID == %d in "
+ "Queue[%d]", vc_qp->rxq.rxdid, i);
+ } else {
+ PMD_DRV_LOG(ERR, "RXDID == 0 is not supported");
+ return -EINVAL;
+ }
+#endif
}
memset(&args, 0, sizeof(args));
diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c
index c39dfc1cc..2faed3cc7 100644
--- a/drivers/net/ice/ice_dcf_ethdev.c
+++ b/drivers/net/ice/ice_dcf_ethdev.c
@@ -230,7 +230,7 @@ ice_dcf_config_rx_queues_irqs(struct rte_eth_dev *dev,
static int
alloc_rxq_mbufs(struct ice_rx_queue *rxq)
{
- volatile union ice_32b_rx_flex_desc *rxd;
+ volatile union ice_rx_flex_desc *rxd;
struct rte_mbuf *mbuf = NULL;
uint64_t dma_addr;
uint16_t i;
@@ -254,8 +254,10 @@ alloc_rxq_mbufs(struct ice_rx_queue *rxq)
rxd = &rxq->rx_ring[i];
rxd->read.pkt_addr = dma_addr;
rxd->read.hdr_addr = 0;
+#ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
rxd->read.rsvd1 = 0;
rxd->read.rsvd2 = 0;
+#endif
rxq->sw_ring[i].mbuf = (void *)mbuf;
}
--
2.17.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dpdk-dev] [PATCH v1] net/ice: fix build with 16 byte Rx descriptor in DCF
2020-07-03 8:57 [dpdk-dev] [PATCH v1] net/ice: fix build with 16 byte Rx descriptor in DCF Ting Xu
@ 2020-07-03 13:28 ` Zhang, Qi Z
0 siblings, 0 replies; 2+ messages in thread
From: Zhang, Qi Z @ 2020-07-03 13:28 UTC (permalink / raw)
To: Xu, Ting, dev; +Cc: Yang, Qiming, stable
> -----Original Message-----
> From: Xu, Ting <ting.xu@intel.com>
> Sent: Friday, July 3, 2020 4:57 PM
> To: dev@dpdk.org
> Cc: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; stable@dpdk.org
> Subject: [PATCH v1] net/ice: fix build with 16 byte Rx descriptor in DCF
>
> Fix the build error in DCF when CONFIG_RTE_LIBRTE_ICE_16BYTE_RX_DESC
> compilation option is enabled. Legacy 16 byte Rx descriptor is not supported
> in DCF. If it is enabled, DCF configuration stops.
>
> Fixes: 929eceefaba7 ("net/ice: add queue start and stop for DCF")
> Cc: stable@dpdk.org
cc stable is not necessary since fix on latest release.
>
> Signed-off-by: Ting Xu <ting.xu@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
^ permalink raw reply [flat|nested] 2+ messages in thread
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