ice: enable FDIR filters from raw binary patterns for VFs

Enable VFs to create FDIR filters from raw binary patterns.
The corresponding processes for raw flow are added in the
Parse / Create / Destroy stages.

Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Co-developed-by: Ahmed Zaki <ahmed.zaki@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c
index 79106503194b..d97b751052f2 100644
--- a/drivers/net/ethernet/intel/ice/ice_flow.c
+++ b/drivers/net/ethernet/intel/ice/ice_flow.c
@@ -409,6 +409,29 @@ static const u32 ice_ptypes_gtpc_tid[] = {
 };
 
 /* Packet types for GTPU */
+static const struct ice_ptype_attributes ice_attr_gtpu_session[] = {
+	{ ICE_MAC_IPV4_GTPU_IPV4_FRAG,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV4_PAY,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV4_TCP,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV4_ICMP,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV4_FRAG,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV4_PAY,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV4_TCP,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV4_ICMP,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV6_FRAG,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV6_PAY,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV6_TCP,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV4_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV6_FRAG,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV6_PAY,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV6_TCP,	  ICE_PTYPE_ATTR_GTP_SESSION },
+	{ ICE_MAC_IPV6_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_SESSION },
+};
+
 static const struct ice_ptype_attributes ice_attr_gtpu_eh[] = {
 	{ ICE_MAC_IPV4_GTPU_IPV4_FRAG,	  ICE_PTYPE_ATTR_GTP_PDU_EH },
 	{ ICE_MAC_IPV4_GTPU_IPV4_PAY,	  ICE_PTYPE_ATTR_GTP_PDU_EH },
@@ -1523,6 +1546,90 @@ ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk,
 	return status;
 }
 
+#define FLAG_GTP_EH_PDU_LINK	BIT_ULL(13)
+#define FLAG_GTP_EH_PDU		BIT_ULL(14)
+
+#define HI_BYTE_IN_WORD		GENMASK(15, 8)
+#define LO_BYTE_IN_WORD		GENMASK(7, 0)
+
+#define FLAG_GTPU_MSK	\
+	(FLAG_GTP_EH_PDU | FLAG_GTP_EH_PDU_LINK)
+#define FLAG_GTPU_UP	\
+	(FLAG_GTP_EH_PDU | FLAG_GTP_EH_PDU_LINK)
+#define FLAG_GTPU_DW	FLAG_GTP_EH_PDU
+
+/**
+ * ice_flow_set_parser_prof - Set flow profile based on the parsed profile info
+ * @hw: pointer to the HW struct
+ * @dest_vsi: dest VSI
+ * @fdir_vsi: fdir programming VSI
+ * @prof: stores parsed profile info from raw flow
+ * @blk: classification blk
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+int
+ice_flow_set_parser_prof(struct ice_hw *hw, u16 dest_vsi, u16 fdir_vsi,
+			 struct ice_parser_profile *prof, enum ice_block blk)
+{
+	u64 id = find_first_bit(prof->ptypes, ICE_FLOW_PTYPE_MAX);
+	struct ice_flow_prof_params *params __free(kfree);
+	u8 fv_words = hw->blk[blk].es.fvw;
+	int status;
+	int i, idx;
+
+	params = kzalloc(sizeof(*params), GFP_KERNEL);
+	if (!params)
+		return -ENOMEM;
+
+	for (i = 0; i < ICE_MAX_FV_WORDS; i++) {
+		params->es[i].prot_id = ICE_PROT_INVALID;
+		params->es[i].off = ICE_FV_OFFSET_INVAL;
+	}
+
+	for (i = 0; i < prof->fv_num; i++) {
+		if (hw->blk[blk].es.reverse)
+			idx = fv_words - i - 1;
+		else
+			idx = i;
+		params->es[idx].prot_id = prof->fv[i].proto_id;
+		params->es[idx].off = prof->fv[i].offset;
+		params->mask[idx] = (((prof->fv[i].msk) << BITS_PER_BYTE) &
+				      HI_BYTE_IN_WORD) |
+				    (((prof->fv[i].msk) >> BITS_PER_BYTE) &
+				      LO_BYTE_IN_WORD);
+	}
+
+	switch (prof->flags) {
+	case FLAG_GTPU_DW:
+		params->attr = ice_attr_gtpu_down;
+		params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_down);
+		break;
+	case FLAG_GTPU_UP:
+		params->attr = ice_attr_gtpu_up;
+		params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_up);
+		break;
+	default:
+		if (prof->flags_msk & FLAG_GTPU_MSK) {
+			params->attr = ice_attr_gtpu_session;
+			params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_session);
+		}
+		break;
+	}
+
+	status = ice_add_prof(hw, blk, id, (u8 *)prof->ptypes,
+			      params->attr, params->attr_cnt,
+			      params->es, params->mask, false, false);
+	if (status)
+		return status;
+
+	status = ice_flow_assoc_fdir_prof(hw, blk, dest_vsi, fdir_vsi, id);
+	if (status)
+		ice_rem_prof(hw, blk, id);
+
+	return status;
+}
+
 /**
  * ice_flow_add_prof - Add a flow profile for packet segments and matched fields
  * @hw: pointer to the HW struct