qcacmn: Remove csum_enabled flag and related changes

As part of code change we are removing csum_enabled flag check.
In that case, csum_enabled becomes redundant since we are not using it
in the code base, So remove redundant code as part of the cleanup.

Change-Id: Iac411b20f06436053b1969a1af9e3b3ee418c34c
CRs-Fixed: 3070858

dp/inc/cdp_txrx_cmn_struct.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2011-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -1261,8 +1262,6 @@ enum cdp_pdev_param_type {
  *
  * @cdp_psoc_param_en_rate_stats: set rate stats enable/disable
  * @cdp_psoc_param_en_nss_cfg: set nss cfg
- *
- * @cdp_enable_tx_checksum: Flag to specify if HW Tx checksum enabled
  */
 typedef union cdp_config_param_t {
 	/* peer params */
@@ -1337,8 +1336,6 @@ typedef union cdp_config_param_t {
 	int cdp_psoc_param_preferred_hw_mode;
 	bool cdp_psoc_param_pext_stats;
 
-	bool cdp_enable_tx_checksum;
-
 	bool cdp_skip_bar_update;
 } cdp_config_param_type;
 
@@ -1440,7 +1437,6 @@ enum cdp_vdev_param_type {
 #endif
 	CDP_SAFEMODE,
 	CDP_DROP_UNENC,
-	CDP_ENABLE_CSUM,
 	CDP_ENABLE_IGMP_MCAST_EN,
 	CDP_ENABLE_HLOS_TID_OVERRIDE,
 #ifdef QCA_SUPPORT_WDS_EXTENDED

dp/wifi3.0/dp_main.c

@@ -9071,11 +9071,6 @@ dp_set_vdev_param(struct cdp_soc_t *cdp_soc, uint8_t vdev_id,
 				      val.cdp_vdev_param_mesh_mode);
 		break;
 #endif
-	case CDP_ENABLE_CSUM:
-		dp_info("vdev_id %d enable Checksum %d", vdev_id,
-			val.cdp_enable_tx_checksum);
-		vdev->csum_enabled = val.cdp_enable_tx_checksum;
-		break;
 	case CDP_ENABLE_HLOS_TID_OVERRIDE:
 		dp_info("vdev_id %d enable hlod tid override %d", vdev_id,
 			val.cdp_vdev_param_hlos_tid_override);

dp/wifi3.0/dp_tx.c

@@ -4859,30 +4859,6 @@ qdf_nbuf_t dp_tx_non_std(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
 }
 #endif
 
-static void dp_tx_vdev_update_feature_flags(struct dp_vdev *vdev)
-{
-	struct wlan_cfg_dp_soc_ctxt *cfg;
-
-	struct dp_soc *soc;
-
-	soc = vdev->pdev->soc;
-	if (!soc)
-		return;
-
-	cfg = soc->wlan_cfg_ctx;
-	if (!cfg)
-		return;
-
-	if (vdev->opmode == wlan_op_mode_ndi)
-		vdev->csum_enabled = wlan_cfg_get_nan_checksum_offload(cfg);
-	else if ((vdev->subtype == wlan_op_subtype_p2p_device) ||
-		 (vdev->subtype == wlan_op_subtype_p2p_cli) ||
-		 (vdev->subtype == wlan_op_subtype_p2p_go))
-		vdev->csum_enabled = wlan_cfg_get_p2p_checksum_offload(cfg);
-	else
-		vdev->csum_enabled = wlan_cfg_get_checksum_offload(cfg);
-}
-
 /**
  * dp_tx_vdev_attach() - attach vdev to dp tx
  * @vdev: virtual device instance
@@ -4914,8 +4890,6 @@ QDF_STATUS dp_tx_vdev_attach(struct dp_vdev *vdev)
 
 	dp_tx_vdev_update_search_flags(vdev);
 
-	dp_tx_vdev_update_feature_flags(vdev);
-
 	return QDF_STATUS_SUCCESS;
 }
 

dp/wifi3.0/dp_types.h

@@ -2753,9 +2753,6 @@ struct dp_vdev {
 	/* IGMP multicast enhancement enabled */
 	uint8_t igmp_mcast_enhanc_en;
 
-	/* HW TX Checksum Enabled Flag */
-	uint8_t csum_enabled;
-
 	/* vdev_id - ID used to specify a particular vdev to the target */
 	uint8_t vdev_id;