From: Dekel Peled <dekelp@mellanox.com>
To: Yongseok Koh <yskoh@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
Shahaf Shuler <shahafs@mellanox.com>,
Ori Kam <orika@mellanox.com>
Subject: Re: [dpdk-dev] [PATCH 4/4] net/mlx5: add DV decap L2 and L3 operations
Date: Wed, 3 Oct 2018 16:14:43 +0000 [thread overview]
Message-ID: <VI1PR05MB42246207D6A9A9CB94CB1362B6E90@VI1PR05MB4224.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <20181003070716.GA21743@mtidpdk.mti.labs.mlnx>
Thanks, PSB.
> -----Original Message-----
> From: Yongseok Koh
> Sent: Wednesday, October 3, 2018 10:07 AM
> To: Dekel Peled <dekelp@mellanox.com>
> Cc: dev@dpdk.org; Shahaf Shuler <shahafs@mellanox.com>; Ori Kam
> <orika@mellanox.com>
> Subject: Re: [PATCH 4/4] net/mlx5: add DV decap L2 and L3 operations
>
> On Thu, Sep 27, 2018 at 05:50:45PM +0300, Dekel Peled wrote:
> > This patch adds support for Direct Verbs decap operations, L2 and L3.
> >
>
> Almost same code as encap, so I also have the same comments. :-) One
> more. In the title, we can't use vendor specific acronyms.
>
> net/mlx5: add DV decap L2 and L3 operations
>
> DV -> Direct Verbs
>
> How about something like this?
> net/mlx5: add L2/L3 encap to Direct Verbs flow
Done.
>
> > Signed-off-by: Dekel Peled <dekelp@mellanox.com>
> > ---
> > drivers/net/mlx5/mlx5_flow_dv.c | 258
> > ++++++++++++++++++++++++++++++++++++++--
> > 1 file changed, 248 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> > b/drivers/net/mlx5/mlx5_flow_dv.c index 50925ac..ca44f13 100644
> > --- a/drivers/net/mlx5/mlx5_flow_dv.c
> > +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> > @@ -126,12 +126,20 @@
> > NULL,
> > "can't have 2 encap actions in same"
> > " flow");
> > + if (action_flags & (MLX5_ACTION_TUNNEL_DECAP |
> > + MLX5_ACTION_TUNNEL_DECAP_L3))
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't encap and decap in same"
> > + " flow");
> > if (attr->ingress)
> > return rte_flow_error_set(error, ENOTSUP,
> > -
> RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
> > - NULL,
> > - "encap action not supported for "
> > - "ingress");
> > +
> RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
> > + NULL,
> > + "encap action not supported for "
> > + "ingress");
> > return 0;
> > }
> >
> > @@ -178,12 +186,130 @@
> > NULL,
> > "can't have 2 encap actions in same"
> > " flow");
> > + if (action_flags & (MLX5_ACTION_TUNNEL_DECAP |
> > + MLX5_ACTION_TUNNEL_DECAP_L3))
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't encap and decap in same"
> > + " flow");
> > if (attr->ingress)
> > return rte_flow_error_set(error, ENOTSUP,
> > -
> RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
> > - NULL,
> > - "encap action not supported for "
> > - "ingress");
> > +
> RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
> > + NULL,
> > + "encap action not supported for "
> > + "ingress");
> > + return 0;
> > +}
> > +
> > +/**
> > + * Validate the tunnel decap action
> > + *
> > + * @param[in] action_flags
> > + * holds the actions detected until now.
> > + * @param[in] attr
> > + * Pointer to flow attributes
> > + * @param[out] error
> > + * Pointer to error structure.
> > + *
> > + * @return
> > + * 0 on success, a negative errno value otherwise and rte_ernno is set.
> > + */
> > +static int
> > +mlx5_flow_validate_action_tunnel_decap(uint64_t action_flags,
> > + const struct rte_flow_attr *attr,
> > + struct rte_flow_error *error) {
> > + if (action_flags & MLX5_ACTION_DROP)
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't drop and decap in same
> flow");
> > + if (action_flags & (MLX5_ACTION_TUNNEL_DECAP |
> > + MLX5_ACTION_TUNNEL_DECAP_L3))
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't have 2 decap actions in same"
> > + " flow");
> > + if (action_flags & (MLX5_ACTION_TUNNEL_ENCAP |
> > + MLX5_ACTION_TUNNEL_ENCAP_L3))
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't encap and decap in same"
> > + " flow");
> > + if (attr->egress)
> > + return rte_flow_error_set(error, ENOTSUP,
> > +
> RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
> > + NULL,
> > + "decap action not supported for "
> > + "egress");
> > + return 0;
> > +}
> > +
> > +/**
> > + * Validate the tunnel decap L3 action
> > + *
> > + * @param[in] action_flags
> > + * holds the actions detected until now.
> > + * @param[in] action
> > + * Pointer to the decap action.
> > + * @param[in] attr
> > + * Pointer to flow attributes
> > + * @param[out] error
> > + * Pointer to error structure.
> > + *
> > + * @return
> > + * 0 on success, a negative errno value otherwise and rte_ernno is set.
> > + */
> > +static int
> > +mlx5_flow_validate_action_tunnel_decap_l3(uint64_t action_flags,
> > + const struct rte_flow_action *action,
> > + const struct rte_flow_attr *attr,
> > + struct rte_flow_error *error)
> > +{
> > + const struct rte_flow_action_tunnel_decap_l3 *tunnel_decap_l3 =
> > + action->conf;
> > +
> > + if (!tunnel_decap_l3 || !(tunnel_decap_l3->buf))
> > +
> > + return rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + action,
> > + "configuration cannot be null");
> > + if (action_flags & MLX5_ACTION_DROP)
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't drop and decap in same
> flow");
> > + if (action_flags & (MLX5_ACTION_TUNNEL_DECAP |
> > + MLX5_ACTION_TUNNEL_DECAP_L3))
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't have 2 decap actions in same"
> > + " flow");
> > + if (action_flags & (MLX5_ACTION_TUNNEL_ENCAP |
> > + MLX5_ACTION_TUNNEL_ENCAP_L3))
> > + return rte_flow_error_set(error,
> > + ENOTSUP,
> > + RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL,
> > + "can't encap and decap in same"
> > + " flow");
> > + if (attr->egress)
> > + return rte_flow_error_set(error, ENOTSUP,
> > +
> RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
> > + NULL,
> > + "decap action not supported for "
> > + "egress");
> > return 0;
> > }
> >
> > @@ -257,6 +383,72 @@
> > }
> >
> > /**
> > + * Convert decap action to DV specification.
> > + *
> > + * @param[in] action
> > + * Pointer to action structure.
> > + * @param[in] ctx
> > + * Verbs context.
> > + * @param[out] error
> > + * Pointer to the error structure.
> > + *
> > + * @return
> > + * Pointer to action on success, NULL otherwise and rte_errno is set.
> > + */
> > +static struct ibv_flow_action *
> > +mlx5_flow_dv_create_decap(const struct rte_flow_action *action
> __rte_unused,
> > + struct ibv_context *ctx,
> > + struct rte_flow_error *error)
> > +{
> > + struct ibv_flow_action *decap_verb = NULL;
> > +
> > + decap_verb = mlx5_glue-
> >dv_create_flow_action_packet_reformat(ctx,
> > + 0, NULL,
> > +
> MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_T
> O_L2,
> > + MLX5DV_FLOW_TABLE_TYPE_NIC_RX);
> > + if (!decap_verb)
> > + rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL, "cannot create decap action");
> > + return decap_verb;
> > +}
> > +
> > +/**
> > + * Convert decap L3 action to DV specification.
> > + *
> > + * @param[in] action
> > + * Pointer to action structure.
> > + * @param[in] ctx
> > + * Verbs context.
> > + * @param[out] error
> > + * Pointer to the error structure.
> > + *
> > + * @return
> > + * Pointer to action on success, NULL otherwise and rte_errno is set.
> > + */
> > +static struct ibv_flow_action *
> > +mlx5_flow_dv_create_decap_l3(const struct rte_flow_action *action,
> > + struct ibv_context *ctx,
> > + struct rte_flow_error *error) {
> > + struct ibv_flow_action *decap_l3_verb = NULL;
> > + const struct rte_flow_action_tunnel_decap_l3 *decap_l3_data;
> > +
> > + decap_l3_data =
> > + (const struct rte_flow_action_tunnel_decap_l3 *)action-
> >conf;
> > + decap_l3_verb = mlx5_glue-
> >dv_create_flow_action_packet_reformat(ctx,
> > + decap_l3_data->size,
> > + decap_l3_data->size ? decap_l3_data->buf :
> > + NULL,
> > +
> MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_T
> O_L2,
> > + MLX5DV_FLOW_TABLE_TYPE_NIC_RX);
> > + if (!decap_l3_verb)
> > + rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_ACTION,
> > + NULL, "cannot create decap L3 action");
> > +
> > + return decap_l3_verb;
> > +}
> > +
> > +/**
> > * Verify the @p attributes will be correctly understood by the NIC and
> store
> > * them in the @p flow if everything is correct.
> > *
> > @@ -529,6 +721,25 @@
> > return ret;
> > action_flags |= MLX5_ACTION_TUNNEL_ENCAP_L3;
> > break;
> > + case RTE_FLOW_ACTION_TYPE_TUNNEL_DECAP:
> > + ret = mlx5_flow_validate_action_tunnel_decap
> > + (action_flags,
> > + attr,
> > + error);
> > + if (ret < 0)
> > + return ret;
> > + action_flags |= MLX5_ACTION_TUNNEL_DECAP;
> > + break;
> > + case RTE_FLOW_ACTION_TYPE_TUNNEL_DECAP_L3:
> > + ret = mlx5_flow_validate_action_tunnel_decap_l3
> > + (action_flags,
> > + actions,
> > + attr,
> > + error);
> > + if (ret < 0)
> > + return ret;
> > + action_flags |= MLX5_ACTION_TUNNEL_DECAP_L3;
> > + break;
> > default:
> > return rte_flow_error_set(error, ENOTSUP,
> >
> RTE_FLOW_ERROR_TYPE_ACTION,
> > @@ -1320,6 +1531,30 @@
> > flow->actions |= MLX5_ACTION_TUNNEL_ENCAP_L3;
> > actions_n++;
> > break;
> > + case RTE_FLOW_ACTION_TYPE_TUNNEL_DECAP:
> > + dev_flow->dv.actions[actions_n].type =
> > + MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
> > + dev_flow->dv.actions[actions_n].action =
> > + mlx5_flow_dv_create_decap(action, ctx, error);
> > + if (!(dev_flow->dv.actions[actions_n].action))
> > + return -rte_errno;
> > + dev_flow->dv.decap_verb =
> > + dev_flow->dv.actions[actions_n].action;
> > + flow->actions |= MLX5_ACTION_TUNNEL_DECAP;
> > + actions_n++;
> > + break;
> > + case RTE_FLOW_ACTION_TYPE_TUNNEL_DECAP_L3:
> > + dev_flow->dv.actions[actions_n].type =
> > + MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
> > + dev_flow->dv.actions[actions_n].action =
> > + mlx5_flow_dv_create_decap_l3(action, ctx, error);
> > + if (!(dev_flow->dv.actions[actions_n].action))
> > + return -rte_errno;
> > + dev_flow->dv.decap_verb =
> > + dev_flow->dv.actions[actions_n].action;
> > + flow->actions |= MLX5_ACTION_TUNNEL_DECAP_L3;
> > + actions_n++;
> > + break;
> > default:
> > break;
> > }
> > @@ -1679,13 +1914,16 @@
> > LIST_REMOVE(dev_flow, next);
> > if (dev_flow->dv.matcher)
> > flow_dv_matcher_release(dev, dev_flow-
> >dv.matcher);
> > -
>
> Looks like it is a mistake on rebasing.
Redundant blank line removed.
>
> > if (dev_flow->dv.encap_verb) {
> > claim_zero(mlx5_glue->destroy_flow_action
> > (dev_flow->dv.encap_verb));
> > dev_flow->dv.encap_verb = NULL;
> > }
> > -
> > + if (dev_flow->dv.decap_verb) {
> > + claim_zero(mlx5_glue->destroy_flow_action
> > + (dev_flow->dv.decap_verb));
> > + dev_flow->dv.decap_verb = NULL;
> > + }
> > rte_free(dev_flow);
> > }
> > }
> > --
> > 1.8.3.1
> >
next prev parent reply other threads:[~2018-10-03 16:14 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-27 14:50 [dpdk-dev] [PATCH 0/4] support DV encap and decap actions Dekel Peled
2018-09-27 14:50 ` [dpdk-dev] [PATCH 1/4] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-02 1:02 ` Yongseok Koh
2018-10-03 6:59 ` Dekel Peled
2018-09-27 14:50 ` [dpdk-dev] [PATCH 2/4] net/mlx5: add definitions for DV encap and decap Dekel Peled
2018-10-03 2:58 ` Yongseok Koh
2018-10-03 7:27 ` Dekel Peled
2018-09-27 14:50 ` [dpdk-dev] [PATCH 3/4] net/mlx5: add DV encap L2 and L3 operations Dekel Peled
2018-10-03 6:58 ` Yongseok Koh
2018-10-03 8:35 ` Dekel Peled
2018-10-03 9:32 ` Yongseok Koh
2018-10-03 11:35 ` Dekel Peled
2018-10-03 11:47 ` Dekel Peled
2018-10-03 13:55 ` Dekel Peled
2018-09-27 14:50 ` [dpdk-dev] [PATCH 4/4] net/mlx5: add DV decap " Dekel Peled
2018-10-03 7:07 ` Yongseok Koh
2018-10-03 16:14 ` Dekel Peled [this message]
2018-10-07 14:25 ` [dpdk-dev] [PATCH v2 0/4] add support of Direct Verbs encap and decap actions Dekel Peled
2018-10-09 19:25 ` [dpdk-dev] [PATCH v3 " Dekel Peled
2018-10-10 8:35 ` [dpdk-dev] [PATCH v4 " Dekel Peled
2018-10-11 12:12 ` [dpdk-dev] [PATCH v5 " Dekel Peled
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 0/6] add encap and decap actions to Direct Verbs flow in MLX5 PMD Dekel Peled
2018-10-29 10:03 ` Shahaf Shuler
2018-10-29 14:42 ` Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 0/7] " Dekel Peled
2018-10-31 15:09 ` Shahaf Shuler
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 " Dekel Peled
2018-11-01 12:51 ` Shahaf Shuler
2018-11-01 17:17 ` Ferruh Yigit
2018-11-04 7:12 ` Shahaf Shuler
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 1/7] net/mlx5: add flow action functions to glue Dekel Peled
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 2/7] net/mlx5: add VXLAN encap action to Direct Verbs Dekel Peled
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 3/7] net/mlx5: add VXLAN decap " Dekel Peled
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 4/7] net/mlx5: add NVGRE encap " Dekel Peled
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 5/7] net/mlx5: add NVGRE decap " Dekel Peled
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 6/7] net/mlx5: add raw data encap decap " Dekel Peled
2018-11-01 9:37 ` [dpdk-dev] [PATCH v8 7/7] net/mlx5: add caching of encap decap actions Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 1/7] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 2/7] net/mlx5: add VXLAN encap action to Direct Verbs Dekel Peled
2018-10-31 15:09 ` Shahaf Shuler
2018-11-01 8:22 ` Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 3/7] net/mlx5: add VXLAN decap " Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 4/7] net/mlx5: add NVGRE encap " Dekel Peled
2018-10-31 15:09 ` Shahaf Shuler
2018-11-01 9:13 ` Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 5/7] net/mlx5: add NVGRE decap " Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 6/7] net/mlx5: add raw data encap decap " Dekel Peled
2018-10-31 7:10 ` [dpdk-dev] [PATCH v7 7/7] net/mlx5: add caching of encap decap actions Dekel Peled
2018-10-31 15:09 ` Shahaf Shuler
2018-11-01 9:15 ` Dekel Peled
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 1/6] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-29 10:03 ` Shahaf Shuler
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 2/6] net/mlx5: add VXLAN encap action to Direct Verbs Dekel Peled
2018-10-29 10:03 ` Shahaf Shuler
2018-10-29 16:44 ` Dekel Peled
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 3/6] net/mlx5: add VXLAN decap " Dekel Peled
2018-10-29 10:03 ` Shahaf Shuler
2018-10-29 16:46 ` Dekel Peled
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 4/6] net/mlx5: add NVGRE encap " Dekel Peled
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 5/6] net/mlx5: add NVGRE decap " Dekel Peled
2018-10-25 20:08 ` [dpdk-dev] [PATCH v6 6/6] net/mlx5: add raw data encap decap " Dekel Peled
2018-10-29 10:03 ` Shahaf Shuler
2018-10-29 16:54 ` Dekel Peled
2018-10-11 12:12 ` [dpdk-dev] [PATCH v5 1/4] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-11 17:05 ` Yongseok Koh
2018-10-11 12:12 ` [dpdk-dev] [PATCH v5 2/4] net/mlx5: add Direct Verbs encap and decap defs Dekel Peled
2018-10-11 12:12 ` [dpdk-dev] [PATCH v5 3/4] net/mlx5: add L2 and L3 encap to Direct Verbs flow Dekel Peled
2018-10-11 12:12 ` [dpdk-dev] [PATCH v5 4/4] net/mlx5: add L2 and L3 decap " Dekel Peled
2018-10-10 8:35 ` [dpdk-dev] [PATCH v4 1/4] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-10 21:22 ` Yongseok Koh
2018-10-10 8:35 ` [dpdk-dev] [PATCH v4 2/4] net/mlx5: add Direct Verbs encap and decap defs Dekel Peled
2018-10-10 8:35 ` [dpdk-dev] [PATCH v4 3/4] net/mlx5: add L2 and L3 encap to Direct Verbs flow Dekel Peled
2018-10-10 8:35 ` [dpdk-dev] [PATCH v4 4/4] net/mlx5: add L2 and L3 decap " Dekel Peled
2018-10-09 19:25 ` [dpdk-dev] [PATCH v3 1/4] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-10 0:36 ` Yongseok Koh
2018-10-10 7:41 ` Dekel Peled
2018-10-10 0:38 ` Yongseok Koh
2018-10-09 19:25 ` [dpdk-dev] [PATCH v3 2/4] net/mlx5: add Direct Verbs encap and decap defs Dekel Peled
2018-10-10 0:40 ` Yongseok Koh
2018-10-09 19:25 ` [dpdk-dev] [PATCH v3 3/4] net/mlx5: add L2 and L3 encap to Direct Verbs flow Dekel Peled
2018-10-10 0:43 ` Yongseok Koh
2018-10-09 19:25 ` [dpdk-dev] [PATCH v3 4/4] net/mlx5: add L2 and L3 decap " Dekel Peled
2018-10-10 0:45 ` Yongseok Koh
2018-10-07 14:25 ` [dpdk-dev] [PATCH v2 1/4] net/mlx5: add flow action functions to glue Dekel Peled
2018-10-08 19:43 ` Yongseok Koh
2018-10-09 18:49 ` Dekel Peled
2018-10-07 14:25 ` [dpdk-dev] [PATCH v2 2/4] net/mlx5: add Direct Verbs encap and decap defs Dekel Peled
2018-10-08 20:46 ` Yongseok Koh
2018-10-07 14:25 ` [dpdk-dev] [PATCH v2 3/4] net/mlx5: add L2 and L3 encap to Direct Verbs flow Dekel Peled
2018-10-08 21:04 ` Yongseok Koh
2018-10-09 15:55 ` Dekel Peled
2018-10-07 14:25 ` [dpdk-dev] [PATCH v2 4/4] net/mlx5: add L2 and L3 decap " Dekel Peled
2018-10-08 21:19 ` Yongseok Koh
2018-10-09 16:56 ` Dekel Peled
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