From: Ajit Khaparde Date: Wed, 2 Oct 2019 23:25:58 +0000 (-0700) Subject: net/bnxt: drop untagged frames when specified X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b0d3c584ae18e7b1d6878ce07efdf8c8dba3f8a3;p=dpdk.git net/bnxt: drop untagged frames when specified When a drop action for L2 filters is specified, support it. Signed-off-by: Ajit Khaparde Reviewed-by: Rahul Gupta Reviewed-by: Somnath Kotur Reviewed-by: Kalesh AP --- diff --git a/drivers/net/bnxt/bnxt_filter.h b/drivers/net/bnxt/bnxt_filter.h index 6bcdc258b7..6e90a98257 100644 --- a/drivers/net/bnxt/bnxt_filter.h +++ b/drivers/net/bnxt/bnxt_filter.h @@ -15,6 +15,8 @@ struct bnxt; #define BNXT_FLOW_L2_INNER_SRC_VALID_FLAG BIT(2) #define BNXT_FLOW_L2_DST_VALID_FLAG BIT(3) #define BNXT_FLOW_L2_INNER_DST_VALID_FLAG BIT(4) +#define BNXT_FLOW_L2_DROP_FLAG BIT(5) +#define BNXT_FLOW_PARSE_INNER_FLAG BIT(6) struct bnxt_filter_info { STAILQ_ENTRY(bnxt_filter_info) next; @@ -148,4 +150,8 @@ struct bnxt_filter_info *bnxt_get_l2_filter(struct bnxt *bp, HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_MIRROR_VNIC_ID #define NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID \ HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_MIRROR_VNIC_ID +#define L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS \ + HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_T_NUM_VLANS +#define L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS \ + HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_NUM_VLANS #endif diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c index bc907b800b..c42cbf1a31 100644 --- a/drivers/net/bnxt/bnxt_flow.c +++ b/drivers/net/bnxt/bnxt_flow.c @@ -275,6 +275,8 @@ bnxt_validate_and_parse_flow_type(struct bnxt *bp, rte_be_to_cpu_16(eth_spec->type); en |= en_ethertype; } + if (inner) + valid_flags |= BNXT_FLOW_PARSE_INNER_FLAG; break; case RTE_FLOW_ITEM_TYPE_VLAN: @@ -832,9 +834,36 @@ bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf, } } - filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR | + if (nf->valid_flags & (BNXT_FLOW_L2_DST_VALID_FLAG | + BNXT_FLOW_L2_SRC_VALID_FLAG | + BNXT_FLOW_L2_INNER_SRC_VALID_FLAG | + BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) { + filter1->enables = + HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR | L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK; - memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN); + memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN); + } + + if (nf->valid_flags & BNXT_FLOW_L2_DROP_FLAG) { + filter1->flags |= + HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_DROP; + if (nf->ethertype == RTE_ETHER_TYPE_IPV4) { + /* Num VLANs for drop filter will/should be 0. + * If the req is memset to 0, then the count will + * be automatically set to 0. + */ + if (nf->valid_flags & BNXT_FLOW_PARSE_INNER_FLAG) { + filter1->enables |= + L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS; + } else { + filter1->enables |= + L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS; + filter1->flags |= + HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST; + } + } + } + rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id, filter1); if (rc) { @@ -952,7 +981,9 @@ bnxt_update_filter_flags_en(struct bnxt_filter_info *filter, ~(BNXT_FLOW_L2_DST_VALID_FLAG | BNXT_FLOW_L2_SRC_VALID_FLAG | BNXT_FLOW_L2_INNER_SRC_VALID_FLAG | - BNXT_FLOW_L2_INNER_DST_VALID_FLAG))) { + BNXT_FLOW_L2_INNER_DST_VALID_FLAG | + BNXT_FLOW_L2_DROP_FLAG | + BNXT_FLOW_PARSE_INNER_FLAG))) { filter->flags = filter1->flags; filter->enables = filter1->enables; filter->filter_type = HWRM_CFA_L2_FILTER; @@ -1121,19 +1152,27 @@ use_vnic: break; case RTE_FLOW_ACTION_TYPE_DROP: vnic0 = &bp->vnic_info[0]; + filter->dst_id = vnic0->fw_vnic_id; + filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG; filter1 = bnxt_get_l2_filter(bp, filter, vnic0); if (filter1 == NULL) { + rte_flow_error_set(error, + ENOSPC, + RTE_FLOW_ERROR_TYPE_ACTION, + act, + "Filter not available"); rc = -ENOSPC; goto ret; } - filter->fw_l2_filter_id = filter1->fw_l2_filter_id; if (filter->filter_type == HWRM_CFA_EM_FILTER) filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP; - else + else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP; + + bnxt_update_filter_flags_en(filter, filter1, use_ntuple); break; case RTE_FLOW_ACTION_TYPE_COUNT: vnic0 = &bp->vnic_info[0]; @@ -1861,6 +1900,15 @@ bnxt_flow_destroy(struct rte_eth_dev *dev, done: if (!ret) { + /* If it is a L2 drop filter, when the filter is created, + * the FW updates the BC/MC records. + * Once this filter is removed, issue the set_rx_mask command + * to reset the BC/MC records in the HW to the settings + * before the drop counter is created. + */ + if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG) + bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]); + STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next); bnxt_free_filter(bp, filter); STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next); @@ -1869,7 +1917,8 @@ done: /* If this was the last flow associated with this vnic, * switch the queue back to RSS pool. */ - if (vnic && STAILQ_EMPTY(&vnic->flow_list)) { + if (vnic && !vnic->func_default && + STAILQ_EMPTY(&vnic->flow_list)) { rte_free(vnic->fw_grp_ids); if (vnic->rx_queue_cnt > 1) bnxt_hwrm_vnic_ctx_free(bp, vnic);