* [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF
@ 2019-12-02 20:03 Junyu Jiang
2019-12-18 6:28 ` Zhao1, Wei
2019-12-19 8:17 ` Ye Xiaolong
0 siblings, 2 replies; 3+ messages in thread
From: Junyu Jiang @ 2019-12-02 20:03 UTC (permalink / raw)
To: dev; +Cc: Wenzhuo Lu, Qiming Yang, Junyu Jiang
Enable jumbo frame for VF by configuring DPDK PF.
Signed-off-by: Junyu Jiang <junyux.jiang@intel.com>
---
drivers/net/ixgbe/ixgbe_pf.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
index d0d85e138..66b856e11 100644
--- a/drivers/net/ixgbe/ixgbe_pf.c
+++ b/drivers/net/ixgbe/ixgbe_pf.c
@@ -544,6 +544,7 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t new_mtu = msgbuf[1];
uint32_t max_frs;
+ uint32_t hlreg0;
int max_frame = new_mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
/* X540 and X550 support jumbo frames in IOV mode */
@@ -560,6 +561,18 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) &
IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT;
if (max_frs < new_mtu) {
+ hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
+ if (new_mtu > RTE_ETHER_MAX_LEN) {
+ dev->data->dev_conf.rxmode.offloads |=
+ DEV_RX_OFFLOAD_JUMBO_FRAME;
+ hlreg0 |= IXGBE_HLREG0_JUMBOEN;
+ } else {
+ dev->data->dev_conf.rxmode.offloads &=
+ ~DEV_RX_OFFLOAD_JUMBO_FRAME;
+ hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
+ }
+ IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
+
max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT;
IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
}
--
2.17.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF
2019-12-02 20:03 [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF Junyu Jiang
@ 2019-12-18 6:28 ` Zhao1, Wei
2019-12-19 8:17 ` Ye Xiaolong
1 sibling, 0 replies; 3+ messages in thread
From: Zhao1, Wei @ 2019-12-18 6:28 UTC (permalink / raw)
To: Jiang, JunyuX, dev; +Cc: Lu, Wenzhuo, Yang, Qiming, Jiang, JunyuX
Acked-by: Wei Zhao <wei.zhao1@intel.com>
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Junyu Jiang
> Sent: Tuesday, December 3, 2019 4:03 AM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo <wenzhuo.lu@intel.com>; Yang, Qiming
> <qiming.yang@intel.com>; Jiang, JunyuX <junyux.jiang@intel.com>
> Subject: [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF
>
> Enable jumbo frame for VF by configuring DPDK PF.
>
> Signed-off-by: Junyu Jiang <junyux.jiang@intel.com>
> ---
> drivers/net/ixgbe/ixgbe_pf.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c index
> d0d85e138..66b856e11 100644
> --- a/drivers/net/ixgbe/ixgbe_pf.c
> +++ b/drivers/net/ixgbe/ixgbe_pf.c
> @@ -544,6 +544,7 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev,
> __rte_unused uint32_t vf, uint32_t *ms
> struct ixgbe_hw *hw =
> IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> uint32_t new_mtu = msgbuf[1];
> uint32_t max_frs;
> + uint32_t hlreg0;
> int max_frame = new_mtu + RTE_ETHER_HDR_LEN +
> RTE_ETHER_CRC_LEN;
>
> /* X540 and X550 support jumbo frames in IOV mode */ @@ -560,6
> +561,18 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused
> uint32_t vf, uint32_t *ms
> max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) &
> IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT;
> if (max_frs < new_mtu) {
> + hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
> + if (new_mtu > RTE_ETHER_MAX_LEN) {
> + dev->data->dev_conf.rxmode.offloads |=
> + DEV_RX_OFFLOAD_JUMBO_FRAME;
> + hlreg0 |= IXGBE_HLREG0_JUMBOEN;
> + } else {
> + dev->data->dev_conf.rxmode.offloads &=
> + ~DEV_RX_OFFLOAD_JUMBO_FRAME;
> + hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
> + }
> + IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
> +
> max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT;
> IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
> }
> --
> 2.17.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF
2019-12-02 20:03 [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF Junyu Jiang
2019-12-18 6:28 ` Zhao1, Wei
@ 2019-12-19 8:17 ` Ye Xiaolong
1 sibling, 0 replies; 3+ messages in thread
From: Ye Xiaolong @ 2019-12-19 8:17 UTC (permalink / raw)
To: Junyu Jiang; +Cc: dev, Wenzhuo Lu, Qiming Yang
On 12/02, Junyu Jiang wrote:
>Enable jumbo frame for VF by configuring DPDK PF.
>
>Signed-off-by: Junyu Jiang <junyux.jiang@intel.com>
>---
> drivers/net/ixgbe/ixgbe_pf.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
>diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
>index d0d85e138..66b856e11 100644
>--- a/drivers/net/ixgbe/ixgbe_pf.c
>+++ b/drivers/net/ixgbe/ixgbe_pf.c
>@@ -544,6 +544,7 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
> struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> uint32_t new_mtu = msgbuf[1];
> uint32_t max_frs;
>+ uint32_t hlreg0;
> int max_frame = new_mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
>
> /* X540 and X550 support jumbo frames in IOV mode */
>@@ -560,6 +561,18 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
> max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) &
> IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT;
> if (max_frs < new_mtu) {
>+ hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
>+ if (new_mtu > RTE_ETHER_MAX_LEN) {
>+ dev->data->dev_conf.rxmode.offloads |=
>+ DEV_RX_OFFLOAD_JUMBO_FRAME;
>+ hlreg0 |= IXGBE_HLREG0_JUMBOEN;
>+ } else {
>+ dev->data->dev_conf.rxmode.offloads &=
>+ ~DEV_RX_OFFLOAD_JUMBO_FRAME;
>+ hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
>+ }
>+ IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
>+
> max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT;
> IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
> }
>--
>2.17.1
>
Applied to dpdk-next-net-intel with wei's ack, Thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-12-18 6:28 ` Zhao1, Wei
2019-12-19 8:17 ` Ye Xiaolong
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