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net/sfc: support flow items PF and VF in transfer rules

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Add support for these flow items to MAE-specific RTE flow implementation.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
This commit is contained in:
Ivan Malov 2020-10-20 10:13:16 +01:00 committed by Ferruh Yigit
parent 097058033f
commit 2ada1448d8
3 changed files with 131 additions and 0 deletions
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4
doc/guides/nics/sfc_efx.rst
View File

@ -192,6 +192,10 @@ Supported pattern items (***transfer*** rules):
- PHY_PORT (cannot repeat; conflicts with other traffic source items)
- PF (cannot repeat; conflicts with other traffic source items)
- VF (cannot repeat; conflicts with other traffic source items)
- ETH
Supported actions (***transfer*** rules):

126
drivers/net/sfc/sfc_mae.c
View File

@ -276,6 +276,109 @@ sfc_mae_rule_parse_item_phy_port(const struct rte_flow_item *item,
return 0;
}
static int
sfc_mae_rule_parse_item_pf(const struct rte_flow_item *item,
struct sfc_flow_parse_ctx *ctx,
struct rte_flow_error *error)
{
struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
const efx_nic_cfg_t *encp = efx_nic_cfg_get(ctx_mae->sa->nic);
efx_mport_sel_t mport_v;
int rc;
if (ctx_mae->match_mport_set) {
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Can't handle multiple traffic source items");
}
rc = efx_mae_mport_by_pcie_function(encp->enc_pf, EFX_PCI_VF_INVALID,
&mport_v);
if (rc != 0) {
return rte_flow_error_set(error, rc,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Failed to convert the PF ID");
}
rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec_action,
&mport_v, NULL);
if (rc != 0) {
return rte_flow_error_set(error, rc,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Failed to set MPORT for the PF");
}
ctx_mae->match_mport_set = B_TRUE;
return 0;
}
static int
sfc_mae_rule_parse_item_vf(const struct rte_flow_item *item,
struct sfc_flow_parse_ctx *ctx,
struct rte_flow_error *error)
{
struct sfc_mae_parse_ctx *ctx_mae = ctx->mae;
const efx_nic_cfg_t *encp = efx_nic_cfg_get(ctx_mae->sa->nic);
const struct rte_flow_item_vf supp_mask = {
.id = 0xffffffff,
};
const void *def_mask = &rte_flow_item_vf_mask;
const struct rte_flow_item_vf *spec = NULL;
const struct rte_flow_item_vf *mask = NULL;
efx_mport_sel_t mport_v;
int rc;
if (ctx_mae->match_mport_set) {
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Can't handle multiple traffic source items");
}
rc = sfc_flow_parse_init(item,
(const void **)&spec, (const void **)&mask,
(const void *)&supp_mask, def_mask,
sizeof(struct rte_flow_item_vf), error);
if (rc != 0)
return rc;
if (mask->id != supp_mask.id) {
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Bad mask in the VF pattern item");
}
/*
* If "spec" is not set, the item requests any VF related to the
* PF of the current DPDK port (but not the PF itself).
* Reject this match criterion as unsupported.
*/
if (spec == NULL) {
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Bad spec in the VF pattern item");
}
rc = efx_mae_mport_by_pcie_function(encp->enc_pf, spec->id, &mport_v);
if (rc != 0) {
return rte_flow_error_set(error, rc,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Failed to convert the PF + VF IDs");
}
rc = efx_mae_match_spec_mport_set(ctx_mae->match_spec_action,
&mport_v, NULL);
if (rc != 0) {
return rte_flow_error_set(error, rc,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Failed to set MPORT for the PF + VF");
}
ctx_mae->match_mport_set = B_TRUE;
return 0;
}
struct sfc_mae_field_locator {
efx_mae_field_id_t field_id;
size_t size;
@ -387,6 +490,28 @@ static const struct sfc_flow_item sfc_flow_items[] = {
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
.parse = sfc_mae_rule_parse_item_phy_port,
},
{
.type = RTE_FLOW_ITEM_TYPE_PF,
/*
* In terms of RTE flow, this item is a META one,
* and its position in the pattern is don't care.
*/
.prev_layer = SFC_FLOW_ITEM_ANY_LAYER,
.layer = SFC_FLOW_ITEM_ANY_LAYER,
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
.parse = sfc_mae_rule_parse_item_pf,
},
{
.type = RTE_FLOW_ITEM_TYPE_VF,
/*
* In terms of RTE flow, this item is a META one,
* and its position in the pattern is don't care.
*/
.prev_layer = SFC_FLOW_ITEM_ANY_LAYER,
.layer = SFC_FLOW_ITEM_ANY_LAYER,
.ctx_type = SFC_FLOW_PARSE_CTX_MAE,
.parse = sfc_mae_rule_parse_item_vf,
},
{
.type = RTE_FLOW_ITEM_TYPE_ETH,
.prev_layer = SFC_FLOW_ITEM_START_LAYER,
@ -407,6 +532,7 @@ sfc_mae_rule_parse_pattern(struct sfc_adapter *sa,
int rc;
memset(&ctx_mae, 0, sizeof(ctx_mae));
ctx_mae.sa = sa;
rc = efx_mae_match_spec_init(sa->nic, EFX_MAE_RULE_ACTION,
spec->priority,

1
drivers/net/sfc/sfc_mae.h
View File

@ -57,6 +57,7 @@ struct sfc_adapter;
struct sfc_flow_spec;
struct sfc_mae_parse_ctx {
struct sfc_adapter *sa;
efx_mae_match_spec_t *match_spec_action;
bool match_mport_set;
};