diff mbox series

[15/27] net/ice/base: support VXLAN VNI field in FDIR

Message ID 20201215060519.302145-16-qi.z.zhang@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Qi Zhang
Headers show
Series ice base code update | expand

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Zhang, Qi Z Dec. 15, 2020, 6:05 a.m. UTC
Enable VXLAN VNI field in FDIR.

Signed-off-by: Zhirun Yan <zhirun.yan@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_fdir.c | 43 +++++++++++++++++++++++++++++++++
 drivers/net/ice/base/ice_fdir.h |  8 ++++++
 drivers/net/ice/base/ice_flow.c | 21 ++++++++++++++++
 drivers/net/ice/base/ice_flow.h |  6 +++++
 drivers/net/ice/base/ice_type.h |  1 +
 5 files changed, 79 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ice/base/ice_fdir.c b/drivers/net/ice/base/ice_fdir.c
index aeff7af55d..cccbcf5e7f 100644
--- a/drivers/net/ice/base/ice_fdir.c
+++ b/drivers/net/ice/base/ice_fdir.c
@@ -42,6 +42,21 @@  static const u8 ice_fdir_ipv4_pkt[] = {
 	0x00, 0x00
 };
 
+static const u8 ice_fdir_udp4_vxlan_pkt[] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+	0x00, 0x4e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
+	0x45, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x40, 0x00,
+	0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00,
+};
+
 static const u8 ice_fdir_udp4_gtpu4_pkt[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
@@ -614,6 +629,11 @@  static const struct ice_fdir_base_pkt ice_fdir_pkt[] = {
 		sizeof(ice_fdir_non_ip_l2_pkt), ice_fdir_non_ip_l2_pkt,
 		sizeof(ice_fdir_non_ip_l2_pkt), ice_fdir_non_ip_l2_pkt,
 	},
+	{
+		ICE_FLTR_PTYPE_NONF_IPV4_UDP_VXLAN,
+		sizeof(ice_fdir_udp4_vxlan_pkt), ice_fdir_udp4_vxlan_pkt,
+		sizeof(ice_fdir_udp4_vxlan_pkt), ice_fdir_udp4_vxlan_pkt,
+	},
 	{
 		ICE_FLTR_PTYPE_NONF_IPV6_TCP,
 		sizeof(ice_fdir_tcpv6_pkt), ice_fdir_tcpv6_pkt,
@@ -1102,6 +1122,29 @@  ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
 				  input->ip.v4.proto);
 		ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
 		break;
+	case ICE_FLTR_PTYPE_NONF_IPV4_UDP_VXLAN:
+		ice_pkt_insert_mac_addr(pkt, input->ext_data_outer.dst_mac);
+		ice_pkt_insert_mac_addr(pkt + ETH_ALEN, input->ext_data_outer.src_mac);
+		ice_pkt_insert_u32(pkt, ICE_IPV4_SRC_ADDR_OFFSET,
+				   input->ip_outer.v4.dst_ip);
+		ice_pkt_insert_u32(pkt, ICE_IPV4_DST_ADDR_OFFSET,
+				   input->ip_outer.v4.src_ip);
+		ice_pkt_insert_u8(pkt, ICE_IPV4_TOS_OFFSET, input->ip_outer.v4.tos);
+		ice_pkt_insert_u32(pkt, ICE_IPV4_VXLAN_VNI_OFFSET,
+				   input->vxlan_data.vni);
+		ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
+				   input->ip.v4.src_ip);
+		ice_pkt_insert_u16(loc, ICE_IPV4_UDP_DST_PORT_OFFSET,
+				   input->ip.v4.src_port);
+		ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
+				   input->ip.v4.dst_ip);
+		ice_pkt_insert_u16(loc, ICE_IPV4_UDP_SRC_PORT_OFFSET,
+				   input->ip.v4.dst_port);
+		ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos);
+		ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl);
+		ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac);
+		ice_pkt_insert_mac_addr(loc + ETH_ALEN, input->ext_data.src_mac);
+		break;
 	case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER:
 		ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
 				   input->ip.v4.src_ip);
diff --git a/drivers/net/ice/base/ice_fdir.h b/drivers/net/ice/base/ice_fdir.h
index d363de385d..1c8de8956d 100644
--- a/drivers/net/ice/base/ice_fdir.h
+++ b/drivers/net/ice/base/ice_fdir.h
@@ -55,6 +55,7 @@ 
 #define ICE_IPV6_AH_SPI_OFFSET		58
 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET	42
 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET	62
+#define ICE_IPV4_VXLAN_VNI_OFFSET	45
 
 #define ICE_FDIR_MAX_FLTRS		16384
 
@@ -163,6 +164,10 @@  struct ice_fdir_l2tpv3 {
 	__be32 session_id;
 };
 
+struct ice_fdir_udp_vxlan {
+	__be32 vni; /* 8 bits reserved, always be zero */
+};
+
 struct ice_fdir_extra {
 	u8 dst_mac[ETH_ALEN];	/* dest MAC address */
 	u8 src_mac[ETH_ALEN];	/* src MAC address */
@@ -190,6 +195,9 @@  struct ice_fdir_fltr {
 	struct ice_fdir_extra ext_data_outer;
 	struct ice_fdir_extra ext_mask_outer;
 
+	struct ice_fdir_udp_vxlan vxlan_data;
+	struct ice_fdir_udp_vxlan vxlan_mask;
+
 	struct ice_fdir_udp_gtp gtpu_data;
 	struct ice_fdir_udp_gtp gtpu_mask;
 
diff --git a/drivers/net/ice/base/ice_flow.c b/drivers/net/ice/base/ice_flow.c
index f667b8ef7d..bce90d9335 100644
--- a/drivers/net/ice/base/ice_flow.c
+++ b/drivers/net/ice/base/ice_flow.c
@@ -30,6 +30,7 @@ 
 #define ICE_FLOW_FLD_SZ_ESP_SPI	4
 #define ICE_FLOW_FLD_SZ_AH_SPI	4
 #define ICE_FLOW_FLD_SZ_NAT_T_ESP_SPI	4
+#define ICE_FLOW_FLD_SZ_VXLAN_VNI	4
 
 /* Describe properties of a protocol header field */
 struct ice_flow_field_info {
@@ -189,6 +190,9 @@  struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
 	/* ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI */
 	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_NAT_T_ESP, 8,
 			  ICE_FLOW_FLD_SZ_NAT_T_ESP_SPI),
+	/* ICE_FLOW_FIELD_IDX_VXLAN_VNI */
+	ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VXLAN, 12,
+			  ICE_FLOW_FLD_SZ_VXLAN_VNI),
 };
 
 /* Bitmaps indicating relevant packet types for a particular protocol header
@@ -456,6 +460,18 @@  static const u32 ice_ptypes_gtpc[] = {
 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
 };
 
+/* Packet types for VXLAN with VNI */
+static const u32 ice_ptypes_vxlan_vni[] = {
+	0x00000000, 0xBFBFF800, 0x00EFDFDF, 0xFEFDE000,
+	0x03BF7F7E, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
 /* Packet types for GTPC with TEID */
 static const u32 ice_ptypes_gtpc_tid[] = {
 	0x00000000, 0x00000000, 0x00000000, 0x00000000,
@@ -974,6 +990,10 @@  ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params)
 			src = (const ice_bitmap_t *)ice_ptypes_nat_t_esp;
 			ice_and_bitmap(params->ptypes, params->ptypes,
 				       src, ICE_FLOW_PTYPE_MAX);
+		} else if (hdrs & ICE_FLOW_SEG_HDR_VXLAN) {
+			src = (const ice_bitmap_t *)ice_ptypes_vxlan_vni;
+			ice_and_bitmap(params->ptypes, params->ptypes,
+				       src, ICE_FLOW_PTYPE_MAX);
 		}
 
 		if (hdrs & ICE_FLOW_SEG_HDR_PFCP) {
@@ -1144,6 +1164,7 @@  ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
 	case ICE_FLOW_FIELD_IDX_SCTP_DST_PORT:
 		prot_id = ICE_PROT_SCTP_IL;
 		break;
+	case ICE_FLOW_FIELD_IDX_VXLAN_VNI:
 	case ICE_FLOW_FIELD_IDX_GTPC_TEID:
 	case ICE_FLOW_FIELD_IDX_GTPU_IP_TEID:
 	case ICE_FLOW_FIELD_IDX_GTPU_UP_TEID:
diff --git a/drivers/net/ice/base/ice_flow.h b/drivers/net/ice/base/ice_flow.h
index 2a9ae66454..23a98cfe89 100644
--- a/drivers/net/ice/base/ice_flow.h
+++ b/drivers/net/ice/base/ice_flow.h
@@ -72,6 +72,9 @@ 
 #define ICE_HASH_SCTP_IPV6_PRE64 \
 	(ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_SCTP_PORT)
 
+#define ICE_FLOW_HASH_VXLAN_VNI \
+	(BIT_ULL(ICE_FLOW_FIELD_IDX_VXLAN_VNI))
+
 #define ICE_FLOW_HASH_GTP_TEID \
 	(BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
 
@@ -179,6 +182,7 @@  enum ice_flow_seg_hdr {
 	ICE_FLOW_SEG_HDR_NAT_T_ESP	= 0x00400000,
 	ICE_FLOW_SEG_HDR_ETH_NON_IP	= 0x00800000,
 	ICE_FLOW_SEG_HDR_GTPU_NON_IP	= 0x01000000,
+	ICE_FLOW_SEG_HDR_VXLAN		= 0x02000000,
 	/* The following is an additive bit for ICE_FLOW_SEG_HDR_IPV4 and
 	 * ICE_FLOW_SEG_HDR_IPV6 which include the IPV4 other PTYPEs
 	 */
@@ -267,6 +271,8 @@  enum ice_flow_field {
 	ICE_FLOW_FIELD_IDX_AH_SPI,
 	/* NAT_T ESP */
 	ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
+	/* VXLAN VNI */
+	ICE_FLOW_FIELD_IDX_VXLAN_VNI,
 	 /* The total number of enums must not exceed 64 */
 	ICE_FLOW_FIELD_IDX_MAX
 };
diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index 7790ee2e54..4552288b85 100644
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -329,6 +329,7 @@  enum ice_fltr_ptype {
 	ICE_FLTR_PTYPE_NONF_IPV6_TCP,
 	ICE_FLTR_PTYPE_NONF_IPV6_SCTP,
 	ICE_FLTR_PTYPE_NONF_IPV6_OTHER,
+	ICE_FLTR_PTYPE_NONF_IPV4_UDP_VXLAN,
 	ICE_FLTR_PTYPE_MAX,
 };