* [dpdk-dev] [PATCH] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
@ 2019-11-07 5:21 Leyi Rong
2019-11-12 1:55 ` Zhang, Qi Z
2019-11-12 2:42 ` [dpdk-dev] [PATCH v2] " Leyi Rong
0 siblings, 2 replies; 5+ messages in thread
From: Leyi Rong @ 2019-11-07 5:21 UTC (permalink / raw)
To: wenzhuo.lu, qi.z.zhang, xiaolong.ye; +Cc: dev, Leyi Rong
Fix iavf vf_checksum_sw case fail in X710/XXV710, set bit2 to 1
of CMD field in Tx descriptor of AVX Tx path according to Spec.
Fixes: af0c246a3800 ("net/iavf: enable AVX2 for iavf")
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
drivers/net/iavf/iavf_rxtx_vec_avx2.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/iavf/iavf_rxtx_vec_avx2.c b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
index f0c00be56..2c7375576 100644
--- a/drivers/net/iavf/iavf_rxtx_vec_avx2.c
+++ b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
@@ -785,8 +785,9 @@ iavf_xmit_fixed_burst_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts,
volatile struct iavf_tx_desc *txdp;
struct iavf_tx_entry *txep;
uint16_t n, nb_commit, tx_id;
- uint64_t flags = IAVF_TX_DESC_CMD_EOP;
- uint64_t rs = IAVF_TX_DESC_CMD_RS | IAVF_TX_DESC_CMD_EOP;
+ /* bit2 is reserved and must be set to 1 according to Spec */
+ uint64_t flags = IAVF_TX_DESC_CMD_EOP | 0x04;
+ uint64_t rs = IAVF_TX_DESC_CMD_RS | flags;
/* cross rx_thresh boundary is not allowed */
nb_pkts = RTE_MIN(nb_pkts, txq->rs_thresh);
--
2.17.1
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [dpdk-dev] [PATCH] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
2019-11-07 5:21 [dpdk-dev] [PATCH] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path Leyi Rong
@ 2019-11-12 1:55 ` Zhang, Qi Z
2019-11-12 2:42 ` [dpdk-dev] [PATCH v2] " Leyi Rong
1 sibling, 0 replies; 5+ messages in thread
From: Zhang, Qi Z @ 2019-11-12 1:55 UTC (permalink / raw)
To: Rong, Leyi, Lu, Wenzhuo, Ye, Xiaolong; +Cc: dev
> -----Original Message-----
> From: Rong, Leyi <leyi.rong@intel.com>
> Sent: Thursday, November 7, 2019 1:22 PM
> To: Lu, Wenzhuo <wenzhuo.lu@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Ye, Xiaolong <xiaolong.ye@intel.com>
> Cc: dev@dpdk.org; Rong, Leyi <leyi.rong@intel.com>
> Subject: [PATCH] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
>
> Fix iavf vf_checksum_sw case fail in X710/XXV710, set bit2 to 1 of CMD field in
> Tx descriptor of AVX Tx path according to Spec.
>
> Fixes: af0c246a3800 ("net/iavf: enable AVX2 for iavf")
>
> Signed-off-by: Leyi Rong <leyi.rong@intel.com>
> ---
> drivers/net/iavf/iavf_rxtx_vec_avx2.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/iavf/iavf_rxtx_vec_avx2.c
> b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
> index f0c00be56..2c7375576 100644
> --- a/drivers/net/iavf/iavf_rxtx_vec_avx2.c
> +++ b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
> @@ -785,8 +785,9 @@ iavf_xmit_fixed_burst_vec_avx2(void *tx_queue,
> struct rte_mbuf **tx_pkts,
> volatile struct iavf_tx_desc *txdp;
> struct iavf_tx_entry *txep;
> uint16_t n, nb_commit, tx_id;
> - uint64_t flags = IAVF_TX_DESC_CMD_EOP;
> - uint64_t rs = IAVF_TX_DESC_CMD_RS | IAVF_TX_DESC_CMD_EOP;
> + /* bit2 is reserved and must be set to 1 according to Spec */
> + uint64_t flags = IAVF_TX_DESC_CMD_EOP | 0x04;
Better to use macro IAVF_TX_DESC_CMD_ICRC to replace 0x4
> + uint64_t rs = IAVF_TX_DESC_CMD_RS | flags;
>
> /* cross rx_thresh boundary is not allowed */
> nb_pkts = RTE_MIN(nb_pkts, txq->rs_thresh);
> --
> 2.17.1
^ permalink raw reply [flat|nested] 5+ messages in thread* [dpdk-dev] [PATCH v2] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
2019-11-07 5:21 [dpdk-dev] [PATCH] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path Leyi Rong
2019-11-12 1:55 ` Zhang, Qi Z
@ 2019-11-12 2:42 ` Leyi Rong
2019-11-12 3:00 ` Zhang, Qi Z
2019-11-13 2:28 ` Ye Xiaolong
1 sibling, 2 replies; 5+ messages in thread
From: Leyi Rong @ 2019-11-12 2:42 UTC (permalink / raw)
To: wenzhuo.lu, qi.z.zhang, xiaolong.ye; +Cc: dev, Leyi Rong
Fix iavf vf_checksum_sw case fail in X710/XXV710, set bit2 to 1
of CMD field in Tx descriptor of AVX Tx path according to Spec.
Fixes: af0c246a3800 ("net/iavf: enable AVX2 for iavf")
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
v2:
- Use IAVF_TX_DESC_CMD_ICRC instead of 0x04.
---
drivers/net/iavf/iavf_rxtx_vec_avx2.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/iavf/iavf_rxtx_vec_avx2.c b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
index f0c00be56..a5133d8d8 100644
--- a/drivers/net/iavf/iavf_rxtx_vec_avx2.c
+++ b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
@@ -785,8 +785,9 @@ iavf_xmit_fixed_burst_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts,
volatile struct iavf_tx_desc *txdp;
struct iavf_tx_entry *txep;
uint16_t n, nb_commit, tx_id;
- uint64_t flags = IAVF_TX_DESC_CMD_EOP;
- uint64_t rs = IAVF_TX_DESC_CMD_RS | IAVF_TX_DESC_CMD_EOP;
+ /* bit2 is reserved and must be set to 1 according to Spec */
+ uint64_t flags = IAVF_TX_DESC_CMD_EOP | IAVF_TX_DESC_CMD_ICRC;
+ uint64_t rs = IAVF_TX_DESC_CMD_RS | flags;
/* cross rx_thresh boundary is not allowed */
nb_pkts = RTE_MIN(nb_pkts, txq->rs_thresh);
--
2.17.1
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [dpdk-dev] [PATCH v2] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
2019-11-12 2:42 ` [dpdk-dev] [PATCH v2] " Leyi Rong
@ 2019-11-12 3:00 ` Zhang, Qi Z
2019-11-13 2:28 ` Ye Xiaolong
1 sibling, 0 replies; 5+ messages in thread
From: Zhang, Qi Z @ 2019-11-12 3:00 UTC (permalink / raw)
To: Rong, Leyi, Lu, Wenzhuo, Ye, Xiaolong; +Cc: dev
> -----Original Message-----
> From: Rong, Leyi <leyi.rong@intel.com>
> Sent: Tuesday, November 12, 2019 10:42 AM
> To: Lu, Wenzhuo <wenzhuo.lu@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Ye, Xiaolong <xiaolong.ye@intel.com>
> Cc: dev@dpdk.org; Rong, Leyi <leyi.rong@intel.com>
> Subject: [PATCH v2] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
>
> Fix iavf vf_checksum_sw case fail in X710/XXV710, set bit2 to 1 of CMD field in
> Tx descriptor of AVX Tx path according to Spec.
>
> Fixes: af0c246a3800 ("net/iavf: enable AVX2 for iavf")
>
> Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [dpdk-dev] [PATCH v2] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path
2019-11-12 2:42 ` [dpdk-dev] [PATCH v2] " Leyi Rong
2019-11-12 3:00 ` Zhang, Qi Z
@ 2019-11-13 2:28 ` Ye Xiaolong
1 sibling, 0 replies; 5+ messages in thread
From: Ye Xiaolong @ 2019-11-13 2:28 UTC (permalink / raw)
To: Leyi Rong; +Cc: wenzhuo.lu, qi.z.zhang, dev
On 11/12, Leyi Rong wrote:
>Fix iavf vf_checksum_sw case fail in X710/XXV710, set bit2 to 1
>of CMD field in Tx descriptor of AVX Tx path according to Spec.
>
>Fixes: af0c246a3800 ("net/iavf: enable AVX2 for iavf")
>
>Signed-off-by: Leyi Rong <leyi.rong@intel.com>
>
>---
>v2:
>- Use IAVF_TX_DESC_CMD_ICRC instead of 0x04.
>---
> drivers/net/iavf/iavf_rxtx_vec_avx2.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/net/iavf/iavf_rxtx_vec_avx2.c b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
>index f0c00be56..a5133d8d8 100644
>--- a/drivers/net/iavf/iavf_rxtx_vec_avx2.c
>+++ b/drivers/net/iavf/iavf_rxtx_vec_avx2.c
>@@ -785,8 +785,9 @@ iavf_xmit_fixed_burst_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts,
> volatile struct iavf_tx_desc *txdp;
> struct iavf_tx_entry *txep;
> uint16_t n, nb_commit, tx_id;
>- uint64_t flags = IAVF_TX_DESC_CMD_EOP;
>- uint64_t rs = IAVF_TX_DESC_CMD_RS | IAVF_TX_DESC_CMD_EOP;
>+ /* bit2 is reserved and must be set to 1 according to Spec */
>+ uint64_t flags = IAVF_TX_DESC_CMD_EOP | IAVF_TX_DESC_CMD_ICRC;
>+ uint64_t rs = IAVF_TX_DESC_CMD_RS | flags;
>
> /* cross rx_thresh boundary is not allowed */
> nb_pkts = RTE_MIN(nb_pkts, txq->rs_thresh);
>--
>2.17.1
>
Applied to dpdk-next-net-intel, Thanks.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2019-11-13 2:31 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2019-11-07 5:21 [dpdk-dev] [PATCH] net/iavf: set CMD bit2 to 1 in Tx Desc of AVX Tx path Leyi Rong
2019-11-12 1:55 ` Zhang, Qi Z
2019-11-12 2:42 ` [dpdk-dev] [PATCH v2] " Leyi Rong
2019-11-12 3:00 ` Zhang, Qi Z
2019-11-13 2:28 ` Ye Xiaolong
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