From: Jerin Jacob <jerinjacobk@gmail.com>
To: Satheesh Paul <psatheesh@marvell.com>,
Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Nithin Dabilpuram <ndabilpuram@marvell.com>,
Kiran Kumar K <kirankumark@marvell.com>,
Sunil Kumar Kori <skori@marvell.com>,
Satha Rao <skoteshwar@marvell.com>, dpdk-dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] common/cnxk: support for dual VLAN insert and strip actions
Date: Thu, 16 Sep 2021 20:00:43 +0530 [thread overview]
Message-ID: <CALBAE1NFrVYO4Zvm+sV=P4DnNvYP5iK8mM6HoEZgaCA3TSqOpA@mail.gmail.com> (raw)
In-Reply-To: <CALBAE1MFXiHF=KUA=Cc0oDFTOPSpZib2eYC9NM=cgDiK4hhcWw@mail.gmail.com>
On Tue, Sep 7, 2021 at 7:28 AM Jerin Jacob <jerinjacobk@gmail.com> wrote:
>
> On Mon, Jul 19, 2021 at 11:12 AM <psatheesh@marvell.com> wrote:
> >
> > From: Satheesh Paul <psatheesh@marvell.com>
> >
> > Add roc API to configure dual VLAN tag addition and removal.
> >
> > Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
>
> Added following in release notes
> +* **Updated Marvell cnxk ethdev driver.**
> +
> + * Added rte_flow support for dual VLAN insert and strip actions
> +
>
>
> Applied to dpdk-next-net-mrvl/for-next-net. Thanks
>
>
> > ---
> > drivers/common/cnxk/roc_npc.c | 339 ++++++++++++++++++++++-------
> > drivers/common/cnxk/roc_npc.h | 1 +
> > drivers/common/cnxk/roc_npc_priv.h | 11 +-
> > 3 files changed, 267 insertions(+), 84 deletions(-)
> >
> > diff --git a/drivers/common/cnxk/roc_npc.c b/drivers/common/cnxk/roc_npc.c
> > index aff4eef554..52a54b3990 100644
> > --- a/drivers/common/cnxk/roc_npc.c
> > +++ b/drivers/common/cnxk/roc_npc.c
> > @@ -10,7 +10,7 @@ roc_npc_vtag_actions_get(struct roc_npc *roc_npc)
> > {
> > struct npc *npc = roc_npc_to_npc_priv(roc_npc);
> >
> > - return npc->vtag_actions;
> > + return npc->vtag_strip_actions;
> > }
> >
> > int
> > @@ -18,8 +18,8 @@ roc_npc_vtag_actions_sub_return(struct roc_npc *roc_npc, uint32_t count)
> > {
> > struct npc *npc = roc_npc_to_npc_priv(roc_npc);
> >
> > - npc->vtag_actions -= count;
> > - return npc->vtag_actions;
> > + npc->vtag_strip_actions -= count;
> > + return npc->vtag_strip_actions;
> > }
> >
> > int
> > @@ -481,6 +481,23 @@ npc_parse_actions(struct npc *npc, const struct roc_npc_attr *attr,
> > goto err_exit;
> > }
> >
> > + if (req_act &
> > + ~(ROC_NPC_ACTION_TYPE_VLAN_INSERT |
> > + ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
> > + ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT |
> > + ROC_NPC_ACTION_TYPE_DROP | ROC_NPC_ACTION_TYPE_COUNT)) {
> > + plt_err("Only VLAN insert, drop, count supported on Egress");
> > + errcode = NPC_ERR_ACTION_NOTSUP;
> > + goto err_exit;
> > + }
> > +
> > + if (vlan_insert_action &&
> > + (req_act & ROC_NPC_ACTION_TYPE_DROP)) {
> > + plt_err("Both VLAN insert and drop actions cannot be supported");
> > + errcode = NPC_ERR_ACTION_NOTSUP;
> > + goto err_exit;
> > + }
> > +
> > if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
> > flow->npc_action = NIX_TX_ACTIONOP_DROP;
> > } else if ((req_act & ROC_NPC_ACTION_TYPE_COUNT) ||
> > @@ -526,14 +543,14 @@ npc_parse_actions(struct npc *npc, const struct roc_npc_attr *attr,
> > }
> >
> > if (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP)
> > - npc->vtag_actions++;
> > -
> > - /* Only VLAN action is provided */
> > - if (req_act == ROC_NPC_ACTION_TYPE_VLAN_STRIP)
> > - flow->npc_action = NIX_RX_ACTIONOP_UCAST;
> > + npc->vtag_strip_actions++;
> >
> > /* Set NIX_RX_ACTIONOP */
> > - if (req_act & (ROC_NPC_ACTION_TYPE_PF | ROC_NPC_ACTION_TYPE_VF)) {
> > + if (req_act == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
> > + /* Only VLAN action is provided */
> > + flow->npc_action = NIX_RX_ACTIONOP_UCAST;
> > + } else if (req_act &
> > + (ROC_NPC_ACTION_TYPE_PF | ROC_NPC_ACTION_TYPE_VF)) {
> > flow->npc_action = NIX_RX_ACTIONOP_UCAST;
> > if (req_act & ROC_NPC_ACTION_TYPE_QUEUE)
> > flow->npc_action |= (uint64_t)rq << 20;
> > @@ -872,6 +889,11 @@ npc_vtag_cfg_delete(struct roc_npc *roc_npc, struct roc_npc_flow *flow)
> > vtag_cfg->tx.vtag0_idx = tx_vtag_action.act.vtag0_def;
> > vtag_cfg->tx.free_vtag0 = true;
> >
> > + if (flow->vtag_insert_count == 2) {
> > + vtag_cfg->tx.vtag1_idx = tx_vtag_action.act.vtag1_def;
> > + vtag_cfg->tx.free_vtag1 = true;
> > + }
> > +
> > rc = mbox_process_msg(mbox, (void *)&rsp);
> > if (rc)
> > return rc;
> > @@ -880,120 +902,271 @@ npc_vtag_cfg_delete(struct roc_npc *roc_npc, struct roc_npc_flow *flow)
> > }
> >
> > static int
> > -npc_vtag_action_program(struct roc_npc *roc_npc,
> > - const struct roc_npc_action actions[],
> > - struct roc_npc_flow *flow)
> > +npc_vtag_insert_action_parse(const struct roc_npc_action actions[],
> > + struct roc_npc_flow *flow,
> > + struct npc_action_vtag_info *vlan_info,
> > + int *parsed_cnt)
> > {
> > - uint16_t vlan_id = 0, vlan_ethtype = ROC_ETHER_TYPE_VLAN;
> > - struct npc *npc = roc_npc_to_npc_priv(roc_npc);
> > - struct roc_nix *roc_nix = roc_npc->roc_nix;
> > - struct nix_vtag_config *vtag_cfg;
> > - struct nix_vtag_config_rsp *rsp;
> > - uint64_t rx_vtag_action = 0;
> > - uint8_t vlan_pcp = 0;
> > - struct mbox *mbox;
> > - struct nix *nix;
> > - int rc;
> > -
> > - union {
> > - uint64_t reg;
> > - struct nix_tx_vtag_action_s act;
> > - } tx_vtag_action;
> > -
> > - nix = roc_nix_to_nix_priv(roc_nix);
> > - mbox = (&nix->dev)->mbox;
> > -
> > - flow->vtag_insert_enabled = false;
> > -
> > - for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
> > - if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
> > - if (npc->vtag_actions == 1) {
> > - vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
> > + bool vlan_id_found = false, ethtype_found = false, pcp_found = false;
> > + int count = 0;
> >
> > - if (vtag_cfg == NULL)
> > - return -ENOSPC;
> > + *parsed_cnt = 0;
> >
> > - vtag_cfg->cfg_type = VTAG_RX;
> > - vtag_cfg->rx.strip_vtag = 1;
> > - /* Always capture */
> > - vtag_cfg->rx.capture_vtag = 1;
> > - vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
> > - vtag_cfg->rx.vtag_type = 0;
> > + /* This function parses parameters of one VLAN. When a parameter is
> > + * found repeated, it treats it as the end of first VLAN's parameters
> > + * and returns. The caller calls again to parse the parameters of the
> > + * second VLAN.
> > + */
> >
> > - rc = mbox_process(mbox);
> > - if (rc)
> > - return rc;
> > - }
> > + for (; count < NPC_ACTION_MAX_VLAN_PARAMS; count++, actions++) {
> > + if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT) {
> > + if (vlan_id_found)
> > + return 0;
> >
> > - rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 15);
> > - rx_vtag_action |= ((uint64_t)NPC_LID_LB << 8);
> > - rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR;
> > - flow->vtag_action = rx_vtag_action;
> > - } else if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT) {
> > const struct roc_npc_action_of_set_vlan_vid *vtag =
> > (const struct roc_npc_action_of_set_vlan_vid *)
> > actions->conf;
> > - vlan_id = plt_be_to_cpu_16(vtag->vlan_vid);
> > - if (vlan_id > 0xfff) {
> > +
> > + vlan_info->vlan_id = plt_be_to_cpu_16(vtag->vlan_vid);
> > +
> > + if (vlan_info->vlan_id > 0xfff) {
> > plt_err("Invalid vlan_id for set vlan action");
> > return -EINVAL;
> > }
> > +
> > flow->vtag_insert_enabled = true;
> > + (*parsed_cnt)++;
> > + vlan_id_found = true;
> > } else if (actions->type ==
> > ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT) {
> > + if (ethtype_found)
> > + return 0;
> > +
> > const struct roc_npc_action_of_push_vlan *ethtype =
> > (const struct roc_npc_action_of_push_vlan *)
> > actions->conf;
> > - vlan_ethtype = plt_be_to_cpu_16(ethtype->ethertype);
> > - if (vlan_ethtype != ROC_ETHER_TYPE_VLAN &&
> > - vlan_ethtype != ROC_ETHER_TYPE_QINQ) {
> > + vlan_info->vlan_ethtype =
> > + plt_be_to_cpu_16(ethtype->ethertype);
> > + if (vlan_info->vlan_ethtype != ROC_ETHER_TYPE_VLAN &&
> > + vlan_info->vlan_ethtype != ROC_ETHER_TYPE_QINQ) {
> > plt_err("Invalid ethtype specified for push"
> > " vlan action");
> > return -EINVAL;
> > }
> > flow->vtag_insert_enabled = true;
> > + (*parsed_cnt)++;
> > + ethtype_found = true;
> > } else if (actions->type ==
> > ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
> > + if (pcp_found)
> > + return 0;
> > const struct roc_npc_action_of_set_vlan_pcp *pcp =
> > (const struct roc_npc_action_of_set_vlan_pcp *)
> > actions->conf;
> > - vlan_pcp = pcp->vlan_pcp;
> > - if (vlan_pcp > 0x7) {
> > + vlan_info->vlan_pcp = pcp->vlan_pcp;
> > + if (vlan_info->vlan_pcp > 0x7) {
> > plt_err("Invalid PCP value for pcp action");
> > return -EINVAL;
> > }
> > flow->vtag_insert_enabled = true;
> > + (*parsed_cnt)++;
> > + pcp_found = true;
> > + } else {
> > + return 0;
> > }
> > }
> >
> > - if (flow->vtag_insert_enabled) {
> > - vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
> > + return 0;
> > +}
> >
> > - if (vtag_cfg == NULL)
> > - return -ENOSPC;
> > +static int
> > +npc_vtag_insert_action_configure(struct mbox *mbox, struct roc_npc_flow *flow,
> > + struct npc_action_vtag_info *vlan_info)
> > +{
> > + struct nix_vtag_config *vtag_cfg;
> > + struct nix_vtag_config_rsp *rsp;
> > + int rc = 0;
> >
> > - vtag_cfg->cfg_type = VTAG_TX;
> > - vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
> > - vtag_cfg->tx.vtag0 =
> > - ((vlan_ethtype << 16) | (vlan_pcp << 13) | vlan_id);
> > + union {
> > + uint64_t reg;
> > + struct nix_tx_vtag_action_s act;
> > + } tx_vtag_action;
> >
> > - vtag_cfg->tx.cfg_vtag0 = 1;
> > - rc = mbox_process_msg(mbox, (void *)&rsp);
> > - if (rc)
> > - return rc;
> > + vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
> >
> > - if (rsp->vtag0_idx < 0) {
> > - plt_err("Failed to config TX VTAG action");
> > - return -EINVAL;
> > - }
> > + if (vtag_cfg == NULL)
> > + return -ENOSPC;
> > +
> > + vtag_cfg->cfg_type = VTAG_TX;
> > + vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
> > + vtag_cfg->tx.vtag0 =
> > + ((vlan_info[0].vlan_ethtype << 16) |
> > + (vlan_info[0].vlan_pcp << 13) | vlan_info[0].vlan_id);
> > +
> > + vtag_cfg->tx.cfg_vtag0 = 1;
> > +
> > + if (flow->vtag_insert_count == 2) {
> > + vtag_cfg->tx.vtag1 =
> > + ((vlan_info[1].vlan_ethtype << 16) |
> > + (vlan_info[1].vlan_pcp << 13) | vlan_info[1].vlan_id);
> > +
> > + vtag_cfg->tx.cfg_vtag1 = 1;
> > + }
> > +
> > + rc = mbox_process_msg(mbox, (void *)&rsp);
> > + if (rc)
> > + return rc;
> > +
> > + if (rsp->vtag0_idx < 0 ||
> > + ((flow->vtag_insert_count == 2) && (rsp->vtag1_idx < 0))) {
> > + plt_err("Failed to config TX VTAG action");
> > + return -EINVAL;
> > + }
> >
> > - tx_vtag_action.reg = 0;
> > - tx_vtag_action.act.vtag0_def = rsp->vtag0_idx;
> > - tx_vtag_action.act.vtag0_lid = NPC_LID_LA;
> > - tx_vtag_action.act.vtag0_op = NIX_TX_VTAGOP_INSERT;
> > - tx_vtag_action.act.vtag0_relptr =
> > + tx_vtag_action.reg = 0;
> > + tx_vtag_action.act.vtag0_def = rsp->vtag0_idx;
> > + tx_vtag_action.act.vtag0_lid = NPC_LID_LA;
> > + tx_vtag_action.act.vtag0_op = NIX_TX_VTAGOP_INSERT;
> > + tx_vtag_action.act.vtag0_relptr = NIX_TX_VTAGACTION_VTAG0_RELPTR;
> > +
> > + if (flow->vtag_insert_count == 2) {
> > + tx_vtag_action.act.vtag1_def = rsp->vtag1_idx;
> > + tx_vtag_action.act.vtag1_lid = NPC_LID_LA;
> > + tx_vtag_action.act.vtag1_op = NIX_TX_VTAGOP_INSERT;
> > + /* NIX_TX_VTAG_ACTION_S
> > + * If Vtag 0 is inserted, hardware adjusts the Vtag 1 byte
> > + * offset accordingly. Thus, if the two offsets are equal in
> > + * the structure, hardware inserts Vtag 1 immediately after
> > + * Vtag 0 in the packet.
> > + */
> > + tx_vtag_action.act.vtag1_relptr =
> > NIX_TX_VTAGACTION_VTAG0_RELPTR;
> > - flow->vtag_action = tx_vtag_action.reg;
> > + }
> > +
> > + flow->vtag_action = tx_vtag_action.reg;
> > +
> > + return 0;
> > +}
> > +
> > +static int
> > +npc_vtag_strip_action_configure(struct mbox *mbox,
> > + const struct roc_npc_action actions[],
> > + struct roc_npc_flow *flow, int *strip_cnt)
> > +{
> > + struct nix_vtag_config *vtag_cfg;
> > + uint64_t rx_vtag_action = 0;
> > + int count = 0, rc = 0;
> > +
> > + *strip_cnt = 0;
> > +
> > + for (; count < NPC_ACTION_MAX_VLANS_STRIPPED; count++, actions++) {
> > + if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP)
> > + (*strip_cnt)++;
> > + }
> > +
> > + vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
> > +
> > + if (vtag_cfg == NULL)
> > + return -ENOSPC;
> > +
> > + vtag_cfg->cfg_type = VTAG_RX;
> > + vtag_cfg->rx.strip_vtag = 1;
> > + /* Always capture */
> > + vtag_cfg->rx.capture_vtag = 1;
> > + vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
> > + vtag_cfg->rx.vtag_type = 0;
> > +
> > + rc = mbox_process(mbox);
> > + if (rc)
> > + return rc;
> > +
> > + rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 15);
> > + rx_vtag_action |= ((uint64_t)NPC_LID_LB << 8);
> > + rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR;
> > +
> > + if (*strip_cnt == 2) {
> > + rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 47);
> > + rx_vtag_action |= ((uint64_t)NPC_LID_LB << 40);
> > + rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR << 32;
> > + }
> > + flow->vtag_action = rx_vtag_action;
> > +
> > + return 0;
> > +}
> > +
> > +static int
> > +npc_vtag_action_program(struct roc_npc *roc_npc,
> > + const struct roc_npc_action actions[],
> > + struct roc_npc_flow *flow)
> > +{
> > + bool vlan_strip_parsed = false, vlan_insert_parsed = false;
> > + const struct roc_npc_action *insert_actions;
> > + struct roc_nix *roc_nix = roc_npc->roc_nix;
> > + struct npc_action_vtag_info vlan_info[2];
> > + int parsed_cnt = 0, strip_cnt = 0;
> > + int tot_vlan_params = 0;
> > + struct mbox *mbox;
> > + struct nix *nix;
> > + int i, rc;
> > +
> > + nix = roc_nix_to_nix_priv(roc_nix);
> > + mbox = (&nix->dev)->mbox;
> > +
> > + memset(vlan_info, 0, sizeof(vlan_info));
> > +
> > + flow->vtag_insert_enabled = false;
> > +
> > + for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
> > + if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
> > + if (vlan_strip_parsed) {
> > + plt_err("Incorrect VLAN strip actions");
> > + return -EINVAL;
> > + }
> > + rc = npc_vtag_strip_action_configure(mbox, actions,
> > + flow, &strip_cnt);
> > + if (rc)
> > + return rc;
> > +
> > + if (strip_cnt == 2)
> > + actions++;
> > +
> > + vlan_strip_parsed = true;
> > + } else if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT ||
> > + actions->type ==
> > + ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT ||
> > + actions->type ==
> > + ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
> > + if (vlan_insert_parsed) {
> > + plt_err("Incorrect VLAN insert actions");
> > + return -EINVAL;
> > + }
> > +
> > + insert_actions = actions;
> > +
> > + for (i = 0; i < 2; i++) {
> > + rc = npc_vtag_insert_action_parse(
> > + insert_actions, flow, &vlan_info[i],
> > + &parsed_cnt);
> > +
> > + if (rc)
> > + return rc;
> > +
> > + if (parsed_cnt) {
> > + insert_actions += parsed_cnt;
> > + tot_vlan_params += parsed_cnt;
> > + flow->vtag_insert_count++;
> > + }
> > + }
> > + actions += tot_vlan_params - 1;
> > + vlan_insert_parsed = true;
> > + }
> > + }
> > +
> > + if (flow->vtag_insert_enabled) {
> > + rc = npc_vtag_insert_action_configure(mbox, flow, vlan_info);
> > +
> > + if (rc)
> > + return rc;
> > }
> > return 0;
> > }
> > diff --git a/drivers/common/cnxk/roc_npc.h b/drivers/common/cnxk/roc_npc.h
> > index 2c0a536c93..e86595fe9a 100644
> > --- a/drivers/common/cnxk/roc_npc.h
> > +++ b/drivers/common/cnxk/roc_npc.h
> > @@ -124,6 +124,7 @@ struct roc_npc_flow {
> > uint64_t npc_action;
> > uint64_t vtag_action;
> > bool vtag_insert_enabled;
> > + uint8_t vtag_insert_count;
> > #define ROC_NPC_MAX_FLOW_PATTERNS 32
> > struct roc_npc_flow_dump_data dump_data[ROC_NPC_MAX_FLOW_PATTERNS];
> > uint16_t num_patterns;
> > diff --git a/drivers/common/cnxk/roc_npc_priv.h b/drivers/common/cnxk/roc_npc_priv.h
> > index 484c3aeb1f..1ba8adcd4b 100644
> > --- a/drivers/common/cnxk/roc_npc_priv.h
> > +++ b/drivers/common/cnxk/roc_npc_priv.h
> > @@ -57,6 +57,15 @@
> > (NPC_NIXLF_MAX * NPC_MCAME_PER_LF + \
> > (NPC_RVUPF_MAX_10XX - 1) * NPC_MCAME_PER_PF)
> >
> > +#define NPC_ACTION_MAX_VLAN_PARAMS 3
> > +#define NPC_ACTION_MAX_VLANS_STRIPPED 2
> > +
> > +struct npc_action_vtag_info {
> > + uint16_t vlan_id;
> > + uint16_t vlan_ethtype;
> > + uint8_t vlan_pcp;
> > +};
> > +
> > enum npc_err_status {
> > NPC_ERR_PARAM = -1024,
> > NPC_ERR_NO_MEM,
> > @@ -350,7 +359,7 @@ struct npc {
> > uint16_t flow_max_priority; /* Max priority for flow */
> > uint16_t switch_header_type; /* Suppprted switch header type */
> > uint32_t mark_actions; /* Number of mark actions */
> > - uint32_t vtag_actions; /* vtag insert/strip actions */
> > + uint32_t vtag_strip_actions; /* vtag insert/strip actions */
> > uint16_t pf_func; /* pf_func of device */
> > npc_dxcfg_t prx_dxcfg; /* intf, lid, lt, extract */
> > npc_fxcfg_t prx_fxcfg; /* Flag extract */
> > --
> > 2.25.4
> >
prev parent reply other threads:[~2021-09-16 14:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 5:41 psatheesh
2021-09-07 1:58 ` Jerin Jacob
2021-09-16 14:30 ` Jerin Jacob [this message]
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