[PATCH v2] net/ice: support vxlan gpe tunnel offload

[PATCH v2] net/ice: support vxlan gpe tunnel offload

[Mingjin Ye]

PMD tx path does not support VXLAN_GPE tunnel offload. Because it does not
process RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE flag in mbuf, and then the "L4TUNT"
field will not be set in Tx context descriptor.

This patch is to add the RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE flag to
support Tx VXLAN_GPE offload under the scenario if the offload tso
and VXLAN_GPE tunnel are both required, so that it would avoid
tx queue overflowing.

Fixes: daa02b5cddbb ("mbuf: add namespace to offload flags")
Cc: stable@dpdk.org

Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>
---
 drivers/net/ice/ice_rxtx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 697251c603..0a2b0376ac 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -2690,6 +2690,7 @@ ice_parse_tunneling_params(uint64_t ol_flags,
 		/* for non UDP / GRE tunneling, set to 00b */
 		break;
 	case RTE_MBUF_F_TX_TUNNEL_VXLAN:
+	case RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE:
 	case RTE_MBUF_F_TX_TUNNEL_GTP:
 	case RTE_MBUF_F_TX_TUNNEL_GENEVE:
 		*cd_tunneling |= ICE_TXD_CTX_UDP_TUNNELING;
-- 
2.34.1

RE: [PATCH v2] net/ice: support vxlan gpe tunnel offload

[Xu, Ke1]

> -----Original Message-----
> From: Mingjin Ye <mingjinx.ye@intel.com>
> Sent: Friday, October 21, 2022 9:00 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>; Ye, MingjinX
> <mingjinx.ye@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi
> Z <qi.z.zhang@intel.com>; Somnath Kotur <somnath.kotur@broadcom.com>;
> Matz, Olivier <olivier.matz@6wind.com>; Ajit Khaparde
> <ajit.khaparde@broadcom.com>; Andrew Rybchenko
> <andrew.rybchenko@oktetlabs.ru>
> Subject: [PATCH v2] net/ice: support vxlan gpe tunnel offload
> 
> PMD tx path does not support VXLAN_GPE tunnel offload. Because it does
> not process RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE flag in mbuf, and then
> the "L4TUNT"
> field will not be set in Tx context descriptor.
> 
> This patch is to add the RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE flag to
> support Tx VXLAN_GPE offload under the scenario if the offload tso and
> VXLAN_GPE tunnel are both required, so that it would avoid tx queue
> overflowing.
> 
> Fixes: daa02b5cddbb ("mbuf: add namespace to offload flags")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>

Verified and passed.
Tested-by: Ke Xu <ke1.xu@intel.com>

> ---
>  drivers/net/ice/ice_rxtx.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> --
> 2.34.1

RE: [PATCH v2] net/ice: support vxlan gpe tunnel offload

[Zhang, Qi Z]

> -----Original Message-----
> From: Xu, Ke1 <ke1.xu@intel.com>
> Sent: Friday, October 21, 2022 5:14 PM
> To: Ye, MingjinX <mingjinx.ye@intel.com>; dev@dpdk.org
> Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>; Ye, MingjinX
> <mingjinx.ye@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi
> Z <qi.z.zhang@intel.com>; Somnath Kotur <somnath.kotur@broadcom.com>;
> Matz, Olivier <olivier.matz@6wind.com>; Ajit Khaparde
> <ajit.khaparde@broadcom.com>; Andrew Rybchenko
> <andrew.rybchenko@oktetlabs.ru>
> Subject: RE: [PATCH v2] net/ice: support vxlan gpe tunnel offload
> 
> 
> 
> > -----Original Message-----
> > From: Mingjin Ye <mingjinx.ye@intel.com>
> > Sent: Friday, October 21, 2022 9:00 PM
> > To: dev@dpdk.org
> > Cc: stable@dpdk.org; Zhou, YidingX <yidingx.zhou@intel.com>; Ye,
> > MingjinX <mingjinx.ye@intel.com>; Yang, Qiming
> > <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>; Somnath
> > Kotur <somnath.kotur@broadcom.com>; Matz, Olivier
> > <olivier.matz@6wind.com>; Ajit Khaparde
> <ajit.khaparde@broadcom.com>;
> > Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> > Subject: [PATCH v2] net/ice: support vxlan gpe tunnel offload
> >
> > PMD tx path does not support VXLAN_GPE tunnel offload. Because it does
> > not process RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE flag in mbuf, and then
> the
> > "L4TUNT"
> > field will not be set in Tx context descriptor.
> >
> > This patch is to add the RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE flag to
> > support Tx VXLAN_GPE offload under the scenario if the offload tso and
> > VXLAN_GPE tunnel are both required, so that it would avoid tx queue
> > overflowing.
> >
> > Fixes: daa02b5cddbb ("mbuf: add namespace to offload flags")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>
> 
> Verified and passed.
> Tested-by: Ke Xu <ke1.xu@intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi