From f1893715ce88c405b99860043468466b2e89ca02 Mon Sep 17 00:00:00 2001 From: Ivan Malov Date: Wed, 21 Jul 2021 07:15:04 +0300 Subject: [PATCH] net/sfc: extend logging in MAE backend of flow API Extra log statements will provide more details to the user in the case of errors discovered in the pattern or actions. Signed-off-by: Ivan Malov Reviewed-by: Andrew Rybchenko Reviewed-by: Andy Moreton --- drivers/net/sfc/sfc_mae.c | 94 +++++++++++++++++++++++++++++++-------- 1 file changed, 75 insertions(+), 19 deletions(-) diff --git a/drivers/net/sfc/sfc_mae.c b/drivers/net/sfc/sfc_mae.c index 21b6ea3b20..1d16d62a10 100644 --- a/drivers/net/sfc/sfc_mae.c +++ b/drivers/net/sfc/sfc_mae.c @@ -908,6 +908,8 @@ sfc_mae_rule_process_pattern_data(struct sfc_mae_parse_ctx *ctx, for (ethertype_idx = 0; ethertype_idx < pdata->nb_vlan_tags; ++ethertype_idx) { + rte_be16_t tpid_v = ethertypes[ethertype_idx].value; + rte_be16_t tpid_m = ethertypes[ethertype_idx].mask; unsigned int tpid_idx; /* @@ -917,7 +919,7 @@ sfc_mae_rule_process_pattern_data(struct sfc_mae_parse_ctx *ctx, */ enforce_tag_presence[0] = B_FALSE; - if (ethertypes[ethertype_idx].mask == RTE_BE16(0)) { + if (tpid_m == RTE_BE16(0)) { if (pdata->tci_masks[ethertype_idx] == RTE_BE16(0)) enforce_tag_presence[ethertype_idx] = B_TRUE; @@ -927,19 +929,22 @@ sfc_mae_rule_process_pattern_data(struct sfc_mae_parse_ctx *ctx, } /* Exact match is supported only. */ - if (ethertypes[ethertype_idx].mask != RTE_BE16(0xffff)) { + if (tpid_m != RTE_BE16(0xffff)) { + sfc_err(ctx->sa, "TPID mask must be 0x0 or 0xffff; got 0x%04x", + rte_be_to_cpu_16(tpid_m)); rc = EINVAL; goto fail; } for (tpid_idx = pdata->nb_vlan_tags - ethertype_idx - 1; tpid_idx < nb_supported_tpids; ++tpid_idx) { - if (ethertypes[ethertype_idx].value == - supported_tpids[tpid_idx]) + if (tpid_v == supported_tpids[tpid_idx]) break; } if (tpid_idx == nb_supported_tpids) { + sfc_err(ctx->sa, "TPID 0x%04x is unsupported", + rte_be_to_cpu_16(tpid_v)); rc = EINVAL; goto fail; } @@ -949,14 +954,19 @@ sfc_mae_rule_process_pattern_data(struct sfc_mae_parse_ctx *ctx, if (pdata->innermost_ethertype_restriction.mask == RTE_BE16(0xffff)) { struct sfc_mae_ethertype *et = ðertypes[ethertype_idx]; + rte_be16_t enforced_et; + + enforced_et = pdata->innermost_ethertype_restriction.value; if (et->mask == 0) { et->mask = RTE_BE16(0xffff); - et->value = - pdata->innermost_ethertype_restriction.value; + et->value = enforced_et; } else if (et->mask != RTE_BE16(0xffff) || - et->value != - pdata->innermost_ethertype_restriction.value) { + et->value != enforced_et) { + sfc_err(ctx->sa, "L3 EtherType must be 0x0/0x0 or 0x%04x/0xffff; got 0x%04x/0x%04x", + rte_be_to_cpu_16(enforced_et), + rte_be_to_cpu_16(et->value), + rte_be_to_cpu_16(et->mask)); rc = EINVAL; goto fail; } @@ -976,10 +986,14 @@ sfc_mae_rule_process_pattern_data(struct sfc_mae_parse_ctx *ctx, if (pdata->l3_next_proto_mask == 0) { pdata->l3_next_proto_mask = 0xff; pdata->l3_next_proto_value = - pdata->l3_next_proto_restriction_value; + pdata->l3_next_proto_restriction_value; } else if (pdata->l3_next_proto_mask != 0xff || pdata->l3_next_proto_value != pdata->l3_next_proto_restriction_value) { + sfc_err(ctx->sa, "L3 next protocol must be 0x0/0x0 or 0x%02x/0xff; got 0x%02x/0x%02x", + pdata->l3_next_proto_restriction_value, + pdata->l3_next_proto_value, + pdata->l3_next_proto_mask); rc = EINVAL; goto fail; } @@ -2530,6 +2544,7 @@ sfc_mae_rule_parse_action_vxlan_encap( size_t next_proto_ofst = 0; size_t ethertype_ofst = 0; uint64_t exp_items; + int rc; if (pattern == NULL) { return rte_flow_error_set(error, EINVAL, @@ -2749,14 +2764,27 @@ sfc_mae_rule_parse_action_vxlan_encap( /* Take care of the masks. */ sfc_mae_header_force_item_masks(buf, parsed_items, nb_parsed_items); - return (spec != NULL) ? efx_mae_action_set_populate_encap(spec) : 0; + rc = efx_mae_action_set_populate_encap(spec); + if (rc != 0) { + rc = rte_flow_error_set(error, rc, RTE_FLOW_ERROR_TYPE_ACTION, + NULL, "failed to request action ENCAP"); + } + + return rc; } static int -sfc_mae_rule_parse_action_mark(const struct rte_flow_action_mark *conf, +sfc_mae_rule_parse_action_mark(struct sfc_adapter *sa, + const struct rte_flow_action_mark *conf, efx_mae_actions_t *spec) { - return efx_mae_action_set_populate_mark(spec, conf->id); + int rc; + + rc = efx_mae_action_set_populate_mark(spec, conf->id); + if (rc != 0) + sfc_err(sa, "failed to request action MARK: %s", strerror(rc)); + + return rc; } static int @@ -2816,10 +2844,19 @@ sfc_mae_rule_parse_action_phy_port(struct sfc_adapter *sa, phy_port = conf->index; rc = efx_mae_mport_by_phy_port(phy_port, &mport); - if (rc != 0) + if (rc != 0) { + sfc_err(sa, "failed to convert phys. port ID %u to m-port selector: %s", + phy_port, strerror(rc)); return rc; + } - return efx_mae_action_set_populate_deliver(spec, &mport); + rc = efx_mae_action_set_populate_deliver(spec, &mport); + if (rc != 0) { + sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s", + mport.sel, strerror(rc)); + } + + return rc; } static int @@ -2840,10 +2877,20 @@ sfc_mae_rule_parse_action_pf_vf(struct sfc_adapter *sa, vf = vf_conf->id; rc = efx_mae_mport_by_pcie_function(encp->enc_pf, vf, &mport); - if (rc != 0) + if (rc != 0) { + sfc_err(sa, "failed to convert PF %u VF %d to m-port: %s", + encp->enc_pf, (vf != EFX_PCI_VF_INVALID) ? (int)vf : -1, + strerror(rc)); return rc; + } + + rc = efx_mae_action_set_populate_deliver(spec, &mport); + if (rc != 0) { + sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s", + mport.sel, strerror(rc)); + } - return efx_mae_action_set_populate_deliver(spec, &mport); + return rc; } static int @@ -2864,10 +2911,19 @@ sfc_mae_rule_parse_action_port_id(struct sfc_adapter *sa, rc = sfc_mae_switch_port_by_ethdev(mae->switch_domain_id, port_id, &mport); - if (rc != 0) + if (rc != 0) { + sfc_err(sa, "failed to find MAE switch port SW entry for RTE ethdev port %u: %s", + port_id, strerror(rc)); return rc; + } - return efx_mae_action_set_populate_deliver(spec, &mport); + rc = efx_mae_action_set_populate_deliver(spec, &mport); + if (rc != 0) { + sfc_err(sa, "failed to request action DELIVER with m-port selector 0x%08x: %s", + mport.sel, strerror(rc)); + } + + return rc; } static int @@ -2932,7 +2988,7 @@ sfc_mae_rule_parse_action(struct sfc_adapter *sa, case RTE_FLOW_ACTION_TYPE_MARK: SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_MARK, bundle->actions_mask); - rc = sfc_mae_rule_parse_action_mark(action->conf, spec); + rc = sfc_mae_rule_parse_action_mark(sa, action->conf, spec); break; case RTE_FLOW_ACTION_TYPE_PHY_PORT: SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_PHY_PORT, -- 2.20.1