We are not freeing all the flows when a flow_flush is called. Iterate through all the flows belonging to all the VNICs in use and free the filters.
Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com> Reviewed-by: Rahul Gupta <rahul.gu...@broadcom.com> Reviewed-by: Venkat Duvvuru <venkatkumar.duvv...@broadcom.com> Reviewed-by: Kalesh Anakkur Purayil <kalesh-anakkur.pura...@broadcom.com> --- drivers/net/bnxt/bnxt_flow.c | 56 ++++++++++++++++++------------------ 1 file changed, 28 insertions(+), 28 deletions(-) diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c index 71a5266ce..9d943cd14 100644 --- a/drivers/net/bnxt/bnxt_flow.c +++ b/drivers/net/bnxt/bnxt_flow.c @@ -907,7 +907,6 @@ bnxt_validate_and_parse_flow(struct rte_eth_dev *dev, const struct rte_flow_action *act = bnxt_flow_non_void_action(actions); struct bnxt *bp = dev->data->dev_private; - struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; const struct rte_flow_action_queue *act_q; const struct rte_flow_action_rss *rss; const struct rte_flow_action_vf *act_vf; @@ -982,9 +981,6 @@ bnxt_validate_and_parse_flow(struct rte_eth_dev *dev, rxq = bp->rx_queues[act_q->index]; - if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq) - goto use_vnic; - //if (!rxq || //bp->vnic_info[0].fw_grp_ids[act_q->index] != //INVALID_HW_RING_ID || @@ -1567,25 +1563,6 @@ bnxt_flow_create(struct rte_eth_dev *dev, vnic = find_matching_vnic(bp, filter); done: - if (!ret) { - flow->filter = filter; - flow->vnic = vnic; - /* VNIC is set only in case of queue or RSS action */ - if (vnic) { - /* - * RxQ0 is not used for flow filters. - */ - - if (update_flow) { - ret = -EXDEV; - goto free_flow; - } - STAILQ_INSERT_TAIL(&vnic->filter, filter, next); - } - PMD_DRV_LOG(ERR, "Successfully created flow.\n"); - STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next); - return flow; - } if (!ret) { flow->filter = filter; flow->vnic = vnic; @@ -1593,10 +1570,13 @@ bnxt_flow_create(struct rte_eth_dev *dev, ret = -EXDEV; goto free_flow; } + + STAILQ_INSERT_TAIL(&vnic->filter, filter, next); PMD_DRV_LOG(ERR, "Successfully created flow.\n"); STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next); return flow; } + free_filter: bnxt_free_filter(bp, filter); free_flow: @@ -1727,6 +1707,7 @@ static int bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error) { struct bnxt *bp = dev->data->dev_private; + struct bnxt_filter_info *filter = NULL; struct bnxt_vnic_info *vnic; struct rte_flow *flow; unsigned int i; @@ -1734,11 +1715,12 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error) for (i = 0; i < bp->max_vnics; i++) { vnic = &bp->vnic_info[i]; - if (vnic->fw_vnic_id == INVALID_VNIC_ID) + if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID) continue; - STAILQ_FOREACH(flow, &vnic->flow_list, next) { - struct bnxt_filter_info *filter = flow->filter; + while (!STAILQ_EMPTY(&vnic->flow_list)) { + flow = STAILQ_FIRST(&vnic->flow_list); + filter = flow->filter; if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER && @@ -1757,7 +1739,7 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error) ret = bnxt_hwrm_clear_em_filter(bp, filter); if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) ret = bnxt_hwrm_clear_ntuple_filter(bp, filter); - else if (!i) + else if (i) ret = bnxt_hwrm_clear_l2_filter(bp, filter); if (ret) { @@ -1770,10 +1752,28 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error) return -rte_errno; } done: - bnxt_free_filter(bp, filter); STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next); + + STAILQ_REMOVE(&vnic->filter, + filter, + bnxt_filter_info, + next); + bnxt_free_filter(bp, filter); + rte_free(flow); + + /* If this was the last flow associated with this vnic, + * switch the queue back to RSS pool. + */ + if (STAILQ_EMPTY(&vnic->flow_list)) { + rte_free(vnic->fw_grp_ids); + if (vnic->rx_queue_cnt > 1) + bnxt_hwrm_vnic_ctx_free(bp, vnic); + bnxt_hwrm_vnic_free(bp, vnic); + vnic->rx_queue_cnt = 0; + bp->nr_vnics--; + } } } -- 2.20.1 (Apple Git-117)