osi: l3l4: disable IPFE when wildcard enabled

- Having IPFE set causes MAC to drop all packets which
  do not match with configured l3l4 filters. Hence
  disable IPFE related code using a compile switch.

Bug 3576506

Change-Id: Ibf6c0e724141c9f7dc16a41de476057fc8eb7835
Signed-off-by: Hareesh Kesireddy <hkesireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/kernel/nvethernetrm/+/2834367
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

include/osi_core.h

@@ -1357,9 +1357,11 @@ struct osi_core_priv_data {
 	nveu32_t mdc_cr;
 	/** VLAN tag stripping enable(1) or disable(0) */
 	nveu32_t strip_vlan_tag;
+#if !defined(L3L4_WILDCARD_FILTER)
 	/** L3L4 filter bit bask, set index corresponding bit for
 	 * filter if filter enabled */
 	nveu32_t l3l4_filter_bitmask;
+#endif /* !L3L4_WILDCARD_FILTER */
 	/** Flag which decides virtualization is enabled(1) or disabled(0) */
 	nveu32_t use_virtualization;
 	/** HW supported feature list */

osi/core/core_common.c

@@ -585,6 +585,7 @@ nve32_t hw_config_mac_pkt_filter_reg(struct osi_core_priv_data *const osi_core,
 	return ret;
 }
 
+#if !defined(L3L4_WILDCARD_FILTER)
 nve32_t hw_config_l3_l4_filter_enable(struct osi_core_priv_data *const osi_core,
 				      const nveu32_t filter_enb_dis)
 {
@@ -608,6 +609,7 @@ nve32_t hw_config_l3_l4_filter_enable(struct osi_core_priv_data *const osi_core,
 fail:
 	return ret;
 }
+#endif /* !L3L4_WILDCARD_FILTER */
 
 /**
  * @brief hw_est_read - indirect read the GCL to Software own list

osi/core/core_common.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -85,7 +85,9 @@
 #define MAC_PFR_HPF			OSI_BIT(10)
 #define MAC_PFR_VTFE			OSI_BIT(16)
 #define MAC_PFR_IPFE			OSI_BIT(20)
+#if !defined(L3L4_WILDCARD_FILTER)
 #define MAC_PFR_IPFE_SHIFT		20U
+#endif /* !L3L4_WILDCARD_FILTER */
 #define MAC_PFR_DNTU			OSI_BIT(21)
 #define MAC_PFR_RA			OSI_BIT(31)
 
@@ -154,8 +156,10 @@ nve32_t hw_ptp_tsc_capture(struct osi_core_priv_data *const osi_core,
 			   struct osi_core_ptp_tsc_data *data);
 nve32_t hw_config_mac_pkt_filter_reg(struct osi_core_priv_data *const osi_core,
 				     const struct osi_filter *filter);
+#if !defined(L3L4_WILDCARD_FILTER)
 nve32_t hw_config_l3_l4_filter_enable(struct osi_core_priv_data *const osi_core,
 				      const nveu32_t filter_enb_dis);
+#endif /* !L3L4_WILDCARD_FILTER */
 nve32_t hw_config_est(struct osi_core_priv_data *const osi_core,
 		      struct osi_est_config *const est);
 nve32_t hw_config_fpe(struct osi_core_priv_data *const osi_core,

osi/core/eqos_core.c

@@ -1241,8 +1241,7 @@ static void eqos_dma_chan_to_vmirq_map(struct osi_core_priv_data *osi_core)
  *  - TraceID:ETHERNET_NVETHERNETRM_006
  *
  * @param[in] osi_core: OSI core private data structure. Used params are
- *  - base, dcs_en, num_mtl_queues, mtl_queues, mtu, stip_vlan_tag, pause_frames,
+ *  - base, dcs_en, num_mtl_queues, mtl_queues, mtu, stip_vlan_tag, pause_frames.
- *    l3l4_filter_bitmask
  *
  * @pre
  *  - MAC should be out of reset. See osi_poll_for_mac_reset_complete()
@@ -1363,8 +1362,10 @@ static nve32_t eqos_core_init(struct osi_core_priv_data *const osi_core)
 			    osi_core->hw_feature->fpe_sel);
 	}
 
+#if !defined(L3L4_WILDCARD_FILTER)
 	/* initialize L3L4 Filters variable */
 	osi_core->l3l4_filter_bitmask = OSI_NONE;
+#endif /* !L3L4_WILDCARD_FILTER */
 
 	if (osi_core->mac_ver >= OSI_EQOS_MAC_5_30) {
 		eqos_dma_chan_to_vmirq_map(osi_core);

osi/core/mgbe_core.c

@@ -2083,6 +2083,11 @@ static nve32_t mgbe_core_init(struct osi_core_priv_data *const osi_core)
 			    osi_core->hw_feature->fpe_sel);
 	}
 
+#if !defined(L3L4_WILDCARD_FILTER)
+	/* initialize L3L4 Filters variable */
+	osi_core->l3l4_filter_bitmask = OSI_NONE;
+#endif /* !L3L4_WILDCARD_FILTER */
+
 	ret = mgbe_dma_chan_to_vmirq_map(osi_core);
 fail:
 	return ret;

osi/core/osi_hal.c

@@ -934,8 +934,10 @@ static nve32_t configure_l3l4_filter_helper(struct osi_core_priv_data *const osi
 		OSI_CORE_INFO((osi_core->osd), (OSI_LOG_ARG_OUTOFBOUND),
 			("L3L4: ADD: "), (filter_no));
 
+#if !defined(L3L4_WILDCARD_FILTER)
 		/* update filter mask bit */
 		osi_core->l3l4_filter_bitmask |= ((nveu32_t)1U << (filter_no & 0x1FU));
+#endif /* !L3L4_WILDCARD_FILTER */
 	} else {
 		/* Clear the filter data.
 		 * osi_memset is an internal function and it cannot fail, hence
@@ -945,10 +947,13 @@ static nve32_t configure_l3l4_filter_helper(struct osi_core_priv_data *const osi
 		OSI_CORE_INFO((osi_core->osd), (OSI_LOG_ARG_OUTOFBOUND),
 			("L3L4: DELETE: "), (filter_no));
 
+#if !defined(L3L4_WILDCARD_FILTER)
 		/* update filter mask bit */
 		osi_core->l3l4_filter_bitmask &= ~((nveu32_t)1U << (filter_no & 0x1FU));
+#endif /* !L3L4_WILDCARD_FILTER */
 	}
 
+#if !defined(L3L4_WILDCARD_FILTER)
 	if (osi_core->l3l4_filter_bitmask != 0U) {
 		/* enable l3l4 filter */
 		ret = hw_config_l3_l4_filter_enable(osi_core, OSI_ENABLE);
@@ -956,6 +961,7 @@ static nve32_t configure_l3l4_filter_helper(struct osi_core_priv_data *const osi
 		/* disable l3l4 filter */
 		ret = hw_config_l3_l4_filter_enable(osi_core, OSI_DISABLE);
 	}
+#endif /* !L3L4_WILDCARD_FILTER */
 
 exit_func: