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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/intel/ice/ice_fdir.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_fdir.h')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_fdir.h223
1 files changed, 223 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.h b/drivers/net/ethernet/intel/ice/ice_fdir.h
new file mode 100644
index 000000000..1b9b84490
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_fdir.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#ifndef _ICE_FDIR_H_
+#define _ICE_FDIR_H_
+
+#define ICE_FDIR_TUN_PKT_OFF 50
+#define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
+
+/* macros for offsets into packets for flow director programming */
+#define ICE_IPV4_SRC_ADDR_OFFSET 26
+#define ICE_IPV4_DST_ADDR_OFFSET 30
+#define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
+#define ICE_IPV4_TCP_DST_PORT_OFFSET 36
+#define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
+#define ICE_IPV4_UDP_DST_PORT_OFFSET 36
+#define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
+#define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
+#define ICE_IPV4_PROTO_OFFSET 23
+#define ICE_IPV6_SRC_ADDR_OFFSET 22
+#define ICE_IPV6_DST_ADDR_OFFSET 38
+#define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
+#define ICE_IPV6_TCP_DST_PORT_OFFSET 56
+#define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
+#define ICE_IPV6_UDP_DST_PORT_OFFSET 56
+#define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
+#define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
+#define ICE_MAC_ETHTYPE_OFFSET 12
+#define ICE_IPV4_TOS_OFFSET 15
+#define ICE_IPV4_TTL_OFFSET 22
+#define ICE_IPV6_TC_OFFSET 14
+#define ICE_IPV6_HLIM_OFFSET 21
+#define ICE_IPV6_PROTO_OFFSET 20
+#define ICE_IPV4_GTPU_TEID_OFFSET 46
+#define ICE_IPV4_GTPU_QFI_OFFSET 56
+#define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
+#define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
+#define ICE_IPV4_ESP_SPI_OFFSET 34
+#define ICE_IPV6_ESP_SPI_OFFSET 54
+#define ICE_IPV4_AH_SPI_OFFSET 38
+#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_FDIR_MAX_FLTRS 16384
+
+/* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
+ * requests that the packet not be fragmented. MF indicates that a packet has
+ * been fragmented.
+ */
+#define ICE_FDIR_IPV4_PKT_FLAG_MF 0x20
+
+enum ice_fltr_prgm_desc_dest {
+ ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
+ ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
+ ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
+ ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
+};
+
+enum ice_fltr_prgm_desc_fd_status {
+ ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
+ ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
+};
+
+/* Flow Director (FD) Filter Programming descriptor */
+struct ice_fd_fltr_desc_ctx {
+ u32 fdid;
+ u16 qindex;
+ u16 cnt_index;
+ u16 fd_vsi;
+ u16 flex_val;
+ u8 comp_q;
+ u8 comp_report;
+ u8 fd_space;
+ u8 cnt_ena;
+ u8 evict_ena;
+ u8 toq;
+ u8 toq_prio;
+ u8 dpu_recipe;
+ u8 drop;
+ u8 flex_prio;
+ u8 flex_mdid;
+ u8 dtype;
+ u8 pcmd;
+ u8 desc_prof_prio;
+ u8 desc_prof;
+ u8 swap;
+ u8 fdid_prio;
+ u8 fdid_mdid;
+};
+
+#define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
+
+struct ice_rx_flow_userdef {
+ u16 flex_word;
+ u16 flex_offset;
+ u16 flex_fltr;
+};
+
+struct ice_fdir_v4 {
+ __be32 dst_ip;
+ __be32 src_ip;
+ __be16 dst_port;
+ __be16 src_port;
+ __be32 l4_header;
+ __be32 sec_parm_idx; /* security parameter index */
+ u8 tos;
+ u8 ip_ver;
+ u8 proto;
+ u8 ttl;
+};
+
+#define ICE_IPV6_ADDR_LEN_AS_U32 4
+
+struct ice_fdir_v6 {
+ __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
+ __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
+ __be16 dst_port;
+ __be16 src_port;
+ __be32 l4_header; /* next header */
+ __be32 sec_parm_idx; /* security parameter index */
+ u8 tc;
+ u8 proto;
+ u8 hlim;
+};
+
+struct ice_fdir_udp_gtp {
+ u8 flags;
+ u8 msg_type;
+ __be16 rsrvd_len;
+ __be32 teid;
+ __be16 rsrvd_seq_nbr;
+ u8 rsrvd_n_pdu_nbr;
+ u8 rsrvd_next_ext_type;
+ u8 rsvrd_ext_len;
+ u8 pdu_type:4,
+ spare:4;
+ u8 ppp:1,
+ rqi:1,
+ qfi:6;
+ u32 rsvrd;
+ u8 next_ext;
+};
+
+struct ice_fdir_l2tpv3 {
+ __be32 session_id;
+};
+
+struct ice_fdir_extra {
+ u8 dst_mac[ETH_ALEN]; /* dest MAC address */
+ u8 src_mac[ETH_ALEN]; /* src MAC address */
+ __be16 ether_type; /* for NON_IP_L2 */
+ u32 usr_def[2]; /* user data */
+ __be16 vlan_type; /* VLAN ethertype */
+ __be16 vlan_tag; /* VLAN tag info */
+};
+
+struct ice_fdir_fltr {
+ struct list_head fltr_node;
+ enum ice_fltr_ptype flow_type;
+
+ union {
+ struct ice_fdir_v4 v4;
+ struct ice_fdir_v6 v6;
+ } ip, mask;
+
+ struct ice_fdir_udp_gtp gtpu_data;
+ struct ice_fdir_udp_gtp gtpu_mask;
+
+ struct ice_fdir_l2tpv3 l2tpv3_data;
+ struct ice_fdir_l2tpv3 l2tpv3_mask;
+
+ struct ice_fdir_extra ext_data;
+ struct ice_fdir_extra ext_mask;
+
+ /* flex byte filter data */
+ __be16 flex_word;
+ /* queue region size (=2^q_region) */
+ u8 q_region;
+ u16 flex_offset;
+ u16 flex_fltr;
+
+ /* filter control */
+ u16 q_index;
+ u16 orig_q_index;
+ u16 dest_vsi;
+ u8 dest_ctl;
+ u8 cnt_ena;
+ u8 fltr_status;
+ u16 cnt_index;
+ u32 fltr_id;
+ u8 fdid_prio;
+ u8 comp_report;
+};
+
+/* Dummy packet filter definition structure */
+struct ice_fdir_base_pkt {
+ enum ice_fltr_ptype flow;
+ u16 pkt_len;
+ const u8 *pkt;
+ u16 tun_pkt_len;
+ const u8 *tun_pkt;
+};
+
+int ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
+int ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
+int ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
+int ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
+void
+ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
+ struct ice_fltr_desc *fdesc, bool add);
+int
+ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
+ u8 *pkt, bool frag, bool tun);
+int ice_get_fdir_cnt_all(struct ice_hw *hw);
+bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
+bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
+struct ice_fdir_fltr *
+ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
+void
+ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add);
+void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
+#endif /* _ICE_FDIR_H_ */