/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2001-2018
+ * Copyright(c) 2001-2019
*/
#ifndef _ICE_FLOW_H_
#define _ICE_FLOW_H_
+#include "ice_flex_type.h"
+#define ICE_IPV4_MAKE_PREFIX_MASK(prefix) ((u32)(~0) << (32 - (prefix)))
+#define ICE_FLOW_PROF_ID_INVAL 0xfffffffffffffffful
+#define ICE_FLOW_PROF_ID_BYPASS 0
+#define ICE_FLOW_PROF_ID_DEFAULT 1
+#define ICE_FLOW_ENTRY_HANDLE_INVAL 0
+#define ICE_FLOW_VSI_INVAL 0xffff
+#define ICE_FLOW_FLD_OFF_INVAL 0xffff
+
+/* Use any of the type from flow field to generate a equivalent hash field */
+#define ICE_FLOW_HASH_FLD(t) (1ULL << (t))
+
+#define ICE_FLOW_HASH_IPV4 \
+ (ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
+ ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_IPV4_DA))
+#define ICE_FLOW_HASH_IPV6 \
+ (ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
+ ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_IPV6_DA))
+#define ICE_FLOW_HASH_TCP_PORT \
+ (ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
+ ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
+#define ICE_FLOW_HASH_UDP_PORT \
+ (ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
+ ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
+#define ICE_FLOW_HASH_SCTP_PORT \
+ (ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
+ ICE_FLOW_HASH_FLD(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
+
+#define ICE_HASH_INVALID 0
+#define ICE_HASH_TCP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
+#define ICE_HASH_TCP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
+#define ICE_HASH_UDP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
+#define ICE_HASH_UDP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
+#define ICE_HASH_SCTP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_SCTP_PORT)
+#define ICE_HASH_SCTP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_SCTP_PORT)
+
+/* Protocol header fields within a packet segment. A segment consists of one or
+ * more protocol headers that make up a logical group of protocol headers. Each
+ * logical group of protocol headers encapsulates or is encapsulated using/by
+ * tunneling or encapsulation protocols for network virtualization such as GRE,
+ * VxLAN, etc.
+ */
+enum ice_flow_seg_hdr {
+ ICE_FLOW_SEG_HDR_NONE = 0x00000000,
+ ICE_FLOW_SEG_HDR_ETH = 0x00000001,
+ ICE_FLOW_SEG_HDR_VLAN = 0x00000002,
+ ICE_FLOW_SEG_HDR_IPV4 = 0x00000004,
+ ICE_FLOW_SEG_HDR_IPV6 = 0x00000008,
+ ICE_FLOW_SEG_HDR_ARP = 0x00000010,
+ ICE_FLOW_SEG_HDR_ICMP = 0x00000020,
+ ICE_FLOW_SEG_HDR_TCP = 0x00000040,
+ ICE_FLOW_SEG_HDR_UDP = 0x00000080,
+ ICE_FLOW_SEG_HDR_SCTP = 0x00000100,
+ ICE_FLOW_SEG_HDR_GRE = 0x00000200,
+};
+
+enum ice_flow_field {
+ /* L2 */
+ ICE_FLOW_FIELD_IDX_ETH_DA,
+ ICE_FLOW_FIELD_IDX_ETH_SA,
+ ICE_FLOW_FIELD_IDX_S_VLAN,
+ ICE_FLOW_FIELD_IDX_C_VLAN,
+ ICE_FLOW_FIELD_IDX_ETH_TYPE,
+ /* L3 */
+ ICE_FLOW_FIELD_IDX_IP_DSCP,
+ ICE_FLOW_FIELD_IDX_IP_TTL,
+ ICE_FLOW_FIELD_IDX_IP_PROT,
+ ICE_FLOW_FIELD_IDX_IPV4_SA,
+ ICE_FLOW_FIELD_IDX_IPV4_DA,
+ ICE_FLOW_FIELD_IDX_IPV6_SA,
+ ICE_FLOW_FIELD_IDX_IPV6_DA,
+ /* L4 */
+ ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
+ ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
+ ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
+ ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
+ ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
+ ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
+ ICE_FLOW_FIELD_IDX_TCP_FLAGS,
+ /* ARP */
+ ICE_FLOW_FIELD_IDX_ARP_SIP,
+ ICE_FLOW_FIELD_IDX_ARP_DIP,
+ ICE_FLOW_FIELD_IDX_ARP_SHA,
+ ICE_FLOW_FIELD_IDX_ARP_DHA,
+ ICE_FLOW_FIELD_IDX_ARP_OP,
+ /* ICMP */
+ ICE_FLOW_FIELD_IDX_ICMP_TYPE,
+ ICE_FLOW_FIELD_IDX_ICMP_CODE,
+ /* GRE */
+ ICE_FLOW_FIELD_IDX_GRE_KEYID,
+ /* The total number of enums must not exceed 64 */
+ ICE_FLOW_FIELD_IDX_MAX
+};
+
+/* Flow headers and fields for AVF support */
+enum ice_flow_avf_hdr_field {
+ /* Values 0 - 28 are reserved for future use */
+ ICE_AVF_FLOW_FIELD_INVALID = 0,
+ ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP = 29,
+ ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
+ ICE_AVF_FLOW_FIELD_IPV4_UDP,
+ ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
+ ICE_AVF_FLOW_FIELD_IPV4_TCP,
+ ICE_AVF_FLOW_FIELD_IPV4_SCTP,
+ ICE_AVF_FLOW_FIELD_IPV4_OTHER,
+ ICE_AVF_FLOW_FIELD_FRAG_IPV4,
+ ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP = 39,
+ ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
+ ICE_AVF_FLOW_FIELD_IPV6_UDP,
+ ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
+ ICE_AVF_FLOW_FIELD_IPV6_TCP,
+ ICE_AVF_FLOW_FIELD_IPV6_SCTP,
+ ICE_AVF_FLOW_FIELD_IPV6_OTHER,
+ ICE_AVF_FLOW_FIELD_FRAG_IPV6,
+ ICE_AVF_FLOW_FIELD_RSVD47,
+ ICE_AVF_FLOW_FIELD_FCOE_OX,
+ ICE_AVF_FLOW_FIELD_FCOE_RX,
+ ICE_AVF_FLOW_FIELD_FCOE_OTHER,
+ /* Values 51-62 are reserved */
+ ICE_AVF_FLOW_FIELD_L2_PAYLOAD = 63,
+ ICE_AVF_FLOW_FIELD_MAX
+};
+
+/* Supported RSS offloads This macro is defined to support
+ * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
+ * capabilities to the caller of this ops.
+ */
+#define ICE_DEFAULT_RSS_HENA ( \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
+ BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
+
+enum ice_flow_dir {
+ ICE_FLOW_DIR_UNDEFINED = 0,
+ ICE_FLOW_TX = 0x01,
+ ICE_FLOW_RX = 0x02,
+ ICE_FLOW_TX_RX = ICE_FLOW_RX | ICE_FLOW_TX
+};
+
+enum ice_flow_priority {
+ ICE_FLOW_PRIO_LOW,
+ ICE_FLOW_PRIO_NORMAL,
+ ICE_FLOW_PRIO_HIGH
+};
+
+#define ICE_FLOW_SEG_MAX 2
+#define ICE_FLOW_SEG_RAW_FLD_MAX 2
+#define ICE_FLOW_PROFILE_MAX 1024
+#define ICE_FLOW_SW_FIELD_VECTOR_MAX 48
+#define ICE_FLOW_ACL_FIELD_VECTOR_MAX 32
+#define ICE_FLOW_FV_EXTRACT_SZ 2
+
+#define ICE_FLOW_SET_HDRS(seg, val) ((seg)->hdrs |= (u32)(val))
+
+struct ice_flow_seg_xtrct {
+ u8 prot_id; /* Protocol ID of extracted header field */
+ u16 off; /* Starting offset of the field in header in bytes */
+ u8 idx; /* Index of FV entry used */
+ u8 disp; /* Displacement of field in bits fr. FV entry's start */
+};
+
+enum ice_flow_fld_match_type {
+ ICE_FLOW_FLD_TYPE_REG, /* Value, mask */
+ ICE_FLOW_FLD_TYPE_RANGE, /* Value, mask, last (upper bound) */
+ ICE_FLOW_FLD_TYPE_PREFIX, /* IP address, prefix, size of prefix */
+ ICE_FLOW_FLD_TYPE_SIZE, /* Value, mask, size of match */
+};
+
+struct ice_flow_fld_loc {
+ /* Describe offsets of field information relative to the beginning of
+ * input buffer provided when adding flow entries.
+ */
+ u16 val; /* Offset where the value is located */
+ u16 mask; /* Offset where the mask/prefix value is located */
+ u16 last; /* Length or offset where the upper value is located */
+};
+
+struct ice_flow_fld_info {
+ enum ice_flow_fld_match_type type;
+ /* Location where to retrieve data from an input buffer */
+ struct ice_flow_fld_loc src;
+ /* Location where to put the data into the final entry buffer */
+ struct ice_flow_fld_loc entry;
+ struct ice_flow_seg_xtrct xtrct;
+};
+
+struct ice_flow_seg_fld_raw {
+ int off; /* Offset from the start of the segment */
+ struct ice_flow_fld_info info;
+};
+
+struct ice_flow_seg_info {
+ u32 hdrs; /* Bitmask indicating protocol headers present */
+ u64 match; /* Bitmask indicating header fields to be matched */
+ u64 range; /* Bitmask indicating header fields matched as ranges */
+
+ struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
+
+ u8 raws_cnt; /* Number of raw fields to be matched */
+ struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
+};
+
+/* This structure describes a flow entry, and is tracked only in this file */
+struct ice_flow_entry {
+ struct LIST_ENTRY_TYPE l_entry;
+
+ u64 id;
+ struct ice_flow_prof *prof;
+ /* Action list */
+ struct ice_flow_action *acts;
+ /* Flow entry's content */
+ void *entry;
+ enum ice_flow_priority priority;
+ u16 vsi_handle;
+ u16 entry_sz;
+ u8 acts_cnt;
+};
+
+#define ICE_FLOW_ENTRY_HNDL(e) ((unsigned long)e)
+#define ICE_FLOW_ENTRY_PTR(h) ((struct ice_flow_entry *)(h))
+
+struct ice_flow_prof {
+ struct LIST_ENTRY_TYPE l_entry;
+
+ u64 id;
+ enum ice_flow_dir dir;
+ u8 segs_cnt;
+ u8 acts_cnt;
+
+ /* Keep track of flow entries associated with this flow profile */
+ struct ice_lock entries_lock;
+ struct LIST_HEAD_TYPE entries;
+
+ struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
+
+ /* software VSI handles referenced by this flow profile */
+ ice_declare_bitmap(vsis, ICE_MAX_VSI);
+
+ union {
+ /* struct sw_recipe */
+ /* struct fd */
+ u32 data;
+ } cfg;
+
+ /* Default actions */
+ struct ice_flow_action *acts;
+};
+
+struct ice_rss_cfg {
+ struct LIST_ENTRY_TYPE l_entry;
+ /* bitmap of VSIs added to the RSS entry */
+ ice_declare_bitmap(vsis, ICE_MAX_VSI);
+ u64 hashed_flds;
+ u32 packet_hdr;
+};
+
+enum ice_flow_action_type {
+ ICE_FLOW_ACT_NOP,
+ ICE_FLOW_ACT_ALLOW,
+ ICE_FLOW_ACT_DROP,
+ ICE_FLOW_ACT_CNTR_PKT,
+ ICE_FLOW_ACT_FWD_VSI,
+ ICE_FLOW_ACT_FWD_VSI_LIST, /* Should be abstracted away */
+ ICE_FLOW_ACT_FWD_QUEUE, /* Can Queues be abstracted away? */
+ ICE_FLOW_ACT_FWD_QUEUE_GROUP, /* Can Queues be abstracted away? */
+ ICE_FLOW_ACT_PUSH,
+ ICE_FLOW_ACT_POP,
+ ICE_FLOW_ACT_MODIFY,
+ ICE_FLOW_ACT_CNTR_BYTES,
+ ICE_FLOW_ACT_CNTR_PKT_BYTES,
+ ICE_FLOW_ACT_GENERIC_0,
+ ICE_FLOW_ACT_GENERIC_1,
+ ICE_FLOW_ACT_GENERIC_2,
+ ICE_FLOW_ACT_GENERIC_3,
+ ICE_FLOW_ACT_GENERIC_4,
+ ICE_FLOW_ACT_RPT_FLOW_ID,
+ ICE_FLOW_ACT_BUILD_PROF_IDX,
+};
+
+struct ice_flow_action {
+ enum ice_flow_action_type type;
+ union {
+ u32 dummy;
+ } data;
+};
+
+/* TDD esp in the linux code doesn't like prototypes, so
+ * ifdef them all out, so they stop conflicting with our mocks
+ */
+u64
+ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
+ struct ice_flow_seg_info *segs, u8 segs_cnt);
+enum ice_status
+ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
+ u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
+ struct ice_flow_action *acts, u8 acts_cnt,
+ struct ice_flow_prof **prof);
+enum ice_status
+ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
+
+enum ice_status
+ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
+ u8 *hw_prof);
+
+u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id);
+enum ice_status
+ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
+ u64 entry_id, u16 vsi, enum ice_flow_priority prio,
+ void *data, struct ice_flow_action *acts, u8 acts_cnt,
+ u64 *entry_h);
+enum ice_status ice_flow_rem_entry(struct ice_hw *hw, u64 entry_h);
+void
+ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
+ u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
+void
+ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
+ u16 val_loc, u16 prefix_loc, u8 prefix_sz);
+void
+ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
+ u16 val_loc, u16 mask_loc);
+void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
+enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
+enum ice_status
+ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
+enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
+enum ice_status
+ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
+ u32 addl_hdrs);
+enum ice_status
+ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
+ u32 addl_hdrs);
+u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
#endif /* _ICE_FLOW_H_ */
git.droids-corp.org / dpdk.git / blobdiff