From 608cd0a5e28337e00de45cb6e47f9d8a38126f77 Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Tue, 15 Dec 2020 12:10:40 +0800 Subject: [PATCH] net/ice/base: support VXLAN VNI field in flow director Enable VXLAN VNI field in FDIR. Signed-off-by: Zhirun Yan Signed-off-by: Qi Zhang Acked-by: Qiming Yang --- 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 --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, }; -- 2.20.1