[dpdk-dev] [PATCH v3 4/5] i40e: support of configurable crc stripping in rx queue

[Helin Zhang]

Support of configurable crc stripping in context of
VF RX queues.

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
---
 lib/librte_pmd_i40e/i40e_pf.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

v2 changes:
* Put setting the crc stripping into a single patch.

v3 changes:
* Added an input parameter for configuring crc stripping in
  RX queue context.

diff --git a/lib/librte_pmd_i40e/i40e_pf.c b/lib/librte_pmd_i40e/i40e_pf.c
index f4b4f2d..7f98636 100644
--- a/lib/librte_pmd_i40e/i40e_pf.c
+++ b/lib/librte_pmd_i40e/i40e_pf.c
@@ -56,6 +56,8 @@
 #include "i40e_rxtx.h"
 #include "i40e_pf.h"

+#define I40E_CFG_CRCSTRIP_DEFAULT 1
+
 static int
 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
                           struct i40e_virtchnl_queue_select *qsel,
@@ -325,7 +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,
+                           uint8_t crcstrip)
 {
        int err = I40E_SUCCESS;
        struct i40e_hmc_obj_rxq rx_ctx;
@@ -354,7 +357,7 @@ 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;
+       rx_ctx.crcstrip = crcstrip;
        rx_ctx.l2tsel = 1;
        rx_ctx.prefena = 1;

@@ -434,8 +437,8 @@ i40e_pf_host_process_cmd_config_vsi_queues(struct 
i40e_pf_vf *vf,
                }

                /* Apply VF RX queue setting to HMC */
-               if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq)
-                       != I40E_SUCCESS) {
+               if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq,
+                       I40E_CFG_CRCSTRIP_DEFAULT) != I40E_SUCCESS) {
                        PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
                        ret = I40E_ERR_PARAM;
                        goto send_msg;
-- 
1.8.1.4