To configure VSI queues for VF, Linux PF host supports
operation of I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES with
limited configurations. To support more configurations
(e.g configurable CRC stripping in VF), a new operation
of I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EX has been
supported in DPDK PF host.

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
Reviewed-by: Jingjing Wu <jingjing.wu at intel.com>
Reviewed-by: Jing Chen <jing.d.chen at intel.com>
---
 lib/librte_pmd_i40e/i40e_pf.c | 90 ++++++++++++++++++++++++++-----------------
 lib/librte_pmd_i40e/i40e_pf.h |  7 ++++
 2 files changed, 61 insertions(+), 36 deletions(-)

diff --git a/lib/librte_pmd_i40e/i40e_pf.c b/lib/librte_pmd_i40e/i40e_pf.c
index e8b154d..9a03e74 100644
--- a/lib/librte_pmd_i40e/i40e_pf.c
+++ b/lib/librte_pmd_i40e/i40e_pf.c
@@ -327,7 +327,8 @@ send_msg:
 static int
 i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw,
                            struct i40e_pf_vf *vf,
-                           struct i40e_virtchnl_rxq_info *rxq)
+                           struct i40e_virtchnl_rxq_info *rxq,
+                           struct i40e_virtchnl_queue_pair_extra_info *qpei)
 {
        int err = I40E_SUCCESS;
        struct i40e_hmc_obj_rxq rx_ctx;
@@ -356,7 +357,10 @@ i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw,
        rx_ctx.tphdata_ena = 1;
        rx_ctx.tphhead_ena = 1;
        rx_ctx.lrxqthresh = 2;
-       rx_ctx.crcstrip = 1;
+       if (qpei) /* For DPDK PF host */
+               rx_ctx.crcstrip = qpei->crcstrip ? 1 : 0;
+       else /* For Linux PF host */
+               rx_ctx.crcstrip = 1;
        rx_ctx.l2tsel = 1;
        rx_ctx.prefena = 1;

@@ -411,42 +415,56 @@ i40e_pf_host_hmc_config_txq(struct i40e_hw *hw,
 static int
 i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
                                           uint8_t *msg,
-                                          uint16_t msglen)
+                                          uint16_t msglen,
+                                          int opcode)
 {
        struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
        struct i40e_vsi *vsi = vf->vsi;
-       int ret = I40E_SUCCESS;
-       struct i40e_virtchnl_vsi_queue_config_info *qconfig =
-           (struct i40e_virtchnl_vsi_queue_config_info *)msg;
-       int i;
-       struct i40e_virtchnl_queue_pair_info *qpair;
-
-       if (msg == NULL || msglen <= sizeof(*qconfig) ||
-               qconfig->num_queue_pairs > vsi->nb_qps) {
+       struct i40e_virtchnl_vsi_queue_config_info *vc_vqci =
+               (struct i40e_virtchnl_vsi_queue_config_info *)msg;
+       struct i40e_virtchnl_queue_pair_info *vc_qpi;
+       struct i40e_virtchnl_queue_pair_extra_info *vc_qpei = NULL;
+       int i, ret = I40E_SUCCESS;
+
+       if (msg == NULL || msglen <= sizeof(*vc_vqci) ||
+               vc_vqci->num_queue_pairs > vsi->nb_qps) {
                PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong\n");
                ret = I40E_ERR_PARAM;
                goto send_msg;
        }

-       qpair = qconfig->qpair;
-       for (i = 0; i < qconfig->num_queue_pairs; i++) {
-               if (qpair[i].rxq.queue_id > vsi->nb_qps - 1 ||
-                       qpair[i].txq.queue_id > vsi->nb_qps - 1) {
+       vc_qpi = vc_vqci->qpair;
+       if (opcode == I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EX)
+               vc_qpei = (struct i40e_virtchnl_queue_pair_extra_info *)
+                                               (((uint8_t *)vc_qpi) +
+                       (sizeof(struct i40e_virtchnl_queue_pair_info) *
+                                       vc_vqci->num_queue_pairs));
+
+       for (i = 0; i < vc_vqci->num_queue_pairs; i++) {
+               if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 ||
+                       vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) {
                        ret = I40E_ERR_PARAM;
                        goto send_msg;
                }

-               /* Apply VF RX queue setting to HMC */
-               if (i40e_pf_host_hmc_config_rxq(hw, vf, &qpair[i].rxq)
-                       != I40E_SUCCESS) {
+               /*
+                * Apply VF RX queue setting to HMC.
+                * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EX,
+                * then the extra information of
+                * 'struct i40e_virtchnl_queue_pair_extra_info' is needed,
+                * otherwise set the last parameter to NULL.
+                */
+               if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq,
+                       (vc_qpei != NULL ? (&vc_qpei[i]) : NULL)) !=
+                                                       I40E_SUCCESS) {
                        PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
                        ret = I40E_ERR_PARAM;
                        goto send_msg;
                }

                /* Apply VF TX queue setting to HMC */
-               if (i40e_pf_host_hmc_config_txq(hw, vf, &qpair[i].txq)
-                       != I40E_SUCCESS) {
+               if (i40e_pf_host_hmc_config_txq(hw, vf,
+                       &vc_qpi[i].txq) != I40E_SUCCESS) {
                        PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
                        ret = I40E_ERR_PARAM;
                        goto send_msg;
@@ -454,8 +472,8 @@ i40e_pf_host_process_cmd_config_vsi_queues(struct 
i40e_pf_vf *vf,
        }

 send_msg:
-       i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
-                                                       ret, NULL, 0);
+       i40e_pf_host_send_msg_to_vf(vf, opcode, ret, NULL, 0);
+
        return ret;
 }

@@ -871,8 +889,13 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
                break;
        case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
                PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received\n");
-               i40e_pf_host_process_cmd_config_vsi_queues(vf,
-                                               msg, msglen);
+               i40e_pf_host_process_cmd_config_vsi_queues(vf, msg,
+                                               msglen, opcode);
+               break;
+       case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EX:
+               PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES_EX received\n");
+               i40e_pf_host_process_cmd_config_vsi_queues(vf, msg,
+                                               msglen, opcode);
                break;
        case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
                PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received\n");
@@ -880,23 +903,19 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
                break;
        case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
                PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received\n");
-               i40e_pf_host_process_cmd_enable_queues(vf,
-                                               msg, msglen);
+               i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
                break;
        case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
                PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received\n");
-               i40e_pf_host_process_cmd_disable_queues(vf,
-                                               msg, msglen);
+               i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen);
                break;
        case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
                PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received\n");
-               i40e_pf_host_process_cmd_add_ether_address(vf,
-                                               msg, msglen);
+               i40e_pf_host_process_cmd_add_ether_address(vf, msg, msglen);
                break;
        case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
                PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received\n");
-               i40e_pf_host_process_cmd_del_ether_address(vf,
-                                               msg, msglen);
+               i40e_pf_host_process_cmd_del_ether_address(vf, msg, msglen);
                break;
        case I40E_VIRTCHNL_OP_ADD_VLAN:
                PMD_DRV_LOG(INFO, "OP_ADD_VLAN received\n");
@@ -932,10 +951,9 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
        case I40E_VIRTCHNL_OP_FCOE:
                PMD_DRV_LOG(ERR, "OP_FCOE received, not supported\n");
        default:
-               PMD_DRV_LOG(ERR, "%u received, not supported\n",
-                                                       opcode);
-               i40e_pf_host_send_msg_to_vf(vf, opcode,
-                               I40E_ERR_PARAM, NULL, 0);
+               PMD_DRV_LOG(ERR, "%u received, not supported\n", opcode);
+               i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
+                                                               NULL, 0);
                break;
        }
 }
diff --git a/lib/librte_pmd_i40e/i40e_pf.h b/lib/librte_pmd_i40e/i40e_pf.h
index 41b6826..19e1379 100644
--- a/lib/librte_pmd_i40e/i40e_pf.h
+++ b/lib/librte_pmd_i40e/i40e_pf.h
@@ -57,7 +57,14 @@ enum i40e_virtchnl_ops_DPDK {
        I40E_VIRTCHNL_OP_GET_LINK_STAT = I40E_VIRTCHNL_OP_EVENT + 0x100,
        I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
        I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
+       I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EX,
 };
+
+/* DPDK extra configurations for queues */
+struct i40e_virtchnl_queue_pair_extra_info {
+       uint8_t crcstrip;
+};
+
 struct i40e_virtchnl_vlan_offload_info {
        uint16_t vsi_id;
        uint8_t enable_vlan_strip;
-- 
1.8.1.4

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