From: Kalesh AP <kalesh-anakkur.pura...@broadcom.com> HWRM_VNIC_CFG command to configure vnic dynamically with traffic running is not working. Driver has to free and recreate the vnic and then reconfigure the vnic filters.
Fixes: 7fe5668d2ea3 ("net/bnxt: support VLAN filter and strip") Signed-off-by: Kalesh AP <kalesh-anakkur.pura...@broadcom.com> Reviewed-by: Ajit Kumar Khaparde <ajit.khapa...@broadcom.com> Reviewed-by: Somnath Kotur <somnath.ko...@broadcom.com> --- drivers/net/bnxt/bnxt_ethdev.c | 248 +++++++++++++++++++++++++---------------- 1 file changed, 150 insertions(+), 98 deletions(-) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 83f475d..0b2c29b 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -132,6 +132,7 @@ static int bnxt_dev_uninit(struct rte_eth_dev *eth_dev); static int bnxt_init_resources(struct bnxt *bp, bool reconfig_dev); static int bnxt_uninit_resources(struct bnxt *bp, bool reconfig_dev); static void bnxt_cancel_fw_health_check(struct bnxt *bp); +static int bnxt_restore_vlan_filters(struct bnxt *bp); int is_bnxt_in_error(struct bnxt *bp) { @@ -228,14 +229,97 @@ static int bnxt_alloc_mem(struct bnxt *bp, bool reconfig) return rc; } -static int bnxt_init_chip(struct bnxt *bp) +static int bnxt_setup_one_vnic(struct bnxt *bp, uint16_t vnic_id) { + struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; + struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; + uint64_t rx_offloads = dev_conf->rxmode.offloads; struct bnxt_rx_queue *rxq; + unsigned int j; + int rc; + + rc = bnxt_vnic_grp_alloc(bp, vnic); + if (rc) + goto err_out; + + PMD_DRV_LOG(DEBUG, "vnic[%d] = %p vnic->fw_grp_ids = %p\n", + vnic_id, vnic, vnic->fw_grp_ids); + + rc = bnxt_hwrm_vnic_alloc(bp, vnic); + if (rc) + goto err_out; + + /* Alloc RSS context only if RSS mode is enabled */ + if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) { + int j, nr_ctxs = bnxt_rss_ctxts(bp); + + rc = 0; + for (j = 0; j < nr_ctxs; j++) { + rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, j); + if (rc) + break; + } + if (rc) { + PMD_DRV_LOG(ERR, + "HWRM vnic %d ctx %d alloc failure rc: %x\n", + vnic_id, j, rc); + goto err_out; + } + vnic->num_lb_ctxts = nr_ctxs; + } + + /* + * Firmware sets pf pair in default vnic cfg. If the VLAN strip + * setting is not available at this time, it will not be + * configured correctly in the CFA. + */ + if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) + vnic->vlan_strip = true; + else + vnic->vlan_strip = false; + + rc = bnxt_hwrm_vnic_cfg(bp, vnic); + if (rc) + goto err_out; + + rc = bnxt_set_hwrm_vnic_filters(bp, vnic); + if (rc) + goto err_out; + + for (j = 0; j < bp->rx_num_qs_per_vnic; j++) { + rxq = bp->eth_dev->data->rx_queues[j]; + + PMD_DRV_LOG(DEBUG, + "rxq[%d]->vnic=%p vnic->fw_grp_ids=%p\n", + j, rxq->vnic, rxq->vnic->fw_grp_ids); + + if (BNXT_HAS_RING_GRPS(bp) && rxq->rx_deferred_start) + rxq->vnic->fw_grp_ids[j] = INVALID_HW_RING_ID; + } + + rc = bnxt_vnic_rss_configure(bp, vnic); + if (rc) + goto err_out; + + bnxt_hwrm_vnic_plcmode_cfg(bp, vnic); + + if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) + bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 1); + else + bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 0); + + return 0; +err_out: + PMD_DRV_LOG(ERR, "HWRM vnic %d cfg failure rc: %x\n", + vnic_id, rc); + return rc; +} + +static int bnxt_init_chip(struct bnxt *bp) +{ struct rte_eth_link new; struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(bp->eth_dev); - struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; - uint64_t rx_offloads = dev_conf->rxmode.offloads; uint32_t intr_vector = 0; uint32_t queue_id, base = BNXT_MISC_VEC_ID; uint32_t vec = BNXT_MISC_VEC_ID; @@ -303,93 +387,11 @@ static int bnxt_init_chip(struct bnxt *bp) /* VNIC configuration */ for (i = 0; i < bp->nr_vnics; i++) { - struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; - struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; - - rc = bnxt_vnic_grp_alloc(bp, vnic); + rc = bnxt_setup_one_vnic(bp, i); if (rc) goto err_out; - - PMD_DRV_LOG(DEBUG, "vnic[%d] = %p vnic->fw_grp_ids = %p\n", - i, vnic, vnic->fw_grp_ids); - - rc = bnxt_hwrm_vnic_alloc(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, "HWRM vnic %d alloc failure rc: %x\n", - i, rc); - goto err_out; - } - - /* Alloc RSS context only if RSS mode is enabled */ - if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) { - int j, nr_ctxs = bnxt_rss_ctxts(bp); - - rc = 0; - for (j = 0; j < nr_ctxs; j++) { - rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, j); - if (rc) - break; - } - if (rc) { - PMD_DRV_LOG(ERR, - "HWRM vnic %d ctx %d alloc failure rc: %x\n", - i, j, rc); - goto err_out; - } - vnic->num_lb_ctxts = nr_ctxs; - } - - /* - * Firmware sets pf pair in default vnic cfg. If the VLAN strip - * setting is not available at this time, it will not be - * configured correctly in the CFA. - */ - if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) - vnic->vlan_strip = true; - else - vnic->vlan_strip = false; - - rc = bnxt_hwrm_vnic_cfg(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, "HWRM vnic %d cfg failure rc: %x\n", - i, rc); - goto err_out; - } - - rc = bnxt_set_hwrm_vnic_filters(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, - "HWRM vnic %d filter failure rc: %x\n", - i, rc); - goto err_out; - } - - for (j = 0; j < bp->rx_num_qs_per_vnic; j++) { - rxq = bp->eth_dev->data->rx_queues[j]; - - PMD_DRV_LOG(DEBUG, - "rxq[%d]->vnic=%p vnic->fw_grp_ids=%p\n", - j, rxq->vnic, rxq->vnic->fw_grp_ids); - - if (BNXT_HAS_RING_GRPS(bp) && rxq->rx_deferred_start) - rxq->vnic->fw_grp_ids[j] = INVALID_HW_RING_ID; - } - - rc = bnxt_vnic_rss_configure(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, - "HWRM vnic set RSS failure rc: %x\n", rc); - goto err_out; - } - - bnxt_hwrm_vnic_plcmode_cfg(bp, vnic); - - if (bp->eth_dev->data->dev_conf.rxmode.offloads & - DEV_RX_OFFLOAD_TCP_LRO) - bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 1); - else - bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 0); } + rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, &bp->vnic_info[0], 0, NULL); if (rc) { PMD_DRV_LOG(ERR, @@ -1892,12 +1894,69 @@ bnxt_config_vlan_hw_filter(struct bnxt *bp, uint64_t rx_offloads) return 0; } +static int bnxt_free_one_vnic(struct bnxt *bp, uint16_t vnic_id) +{ + struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; + unsigned int i; + int rc; + + /* Destroy vnic filters and vnic */ + if (bp->eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_VLAN_FILTER) { + for (i = 0; i < RTE_ETHER_MAX_VLAN_ID; i++) + bnxt_del_vlan_filter(bp, i); + } + bnxt_del_dflt_mac_filter(bp, vnic); + + rc = bnxt_hwrm_vnic_free(bp, vnic); + if (rc) + return rc; + + rte_free(vnic->fw_grp_ids); + vnic->fw_grp_ids = NULL; + + return 0; +} + +static int +bnxt_config_vlan_hw_stripping(struct bnxt *bp, uint64_t rx_offloads) +{ + struct bnxt_vnic_info *vnic = BNXT_GET_DEFAULT_VNIC(bp); + int rc; + + /* Destroy, recreate and reconfigure the default vnic */ + rc = bnxt_free_one_vnic(bp, 0); + if (rc) + return rc; + + /* default vnic 0 */ + rc = bnxt_setup_one_vnic(bp, 0); + if (rc) + return rc; + + if (bp->eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_VLAN_FILTER) { + rc = bnxt_add_vlan_filter(bp, 0); + bnxt_restore_vlan_filters(bp); + } else { + rc = bnxt_add_mac_filter(bp, vnic, NULL, 0, 0); + } + + rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, vnic, 0, NULL); + if (rc) + return rc; + + PMD_DRV_LOG(DEBUG, "VLAN Strip Offload: %d\n", + !!(rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)); + + return rc; +} + static int bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask) { uint64_t rx_offloads = dev->data->dev_conf.rxmode.offloads; struct bnxt *bp = dev->data->dev_private; - unsigned int i; int rc; rc = is_bnxt_in_error(bp); @@ -1913,16 +1972,9 @@ bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask) if (mask & ETH_VLAN_STRIP_MASK) { /* Enable or disable VLAN stripping */ - for (i = 0; i < bp->nr_vnics; i++) { - struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; - if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) - vnic->vlan_strip = true; - else - vnic->vlan_strip = false; - bnxt_hwrm_vnic_cfg(bp, vnic); - } - PMD_DRV_LOG(DEBUG, "VLAN Strip Offload: %d\n", - !!(rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)); + rc = bnxt_config_vlan_hw_stripping(bp, rx_offloads); + if (rc) + return rc; } if (mask & ETH_VLAN_EXTEND_MASK) { -- 2.10.1