diff options
Diffstat (limited to 'include/arch/x86_64/linux/bpf.h')
| -rw-r--r-- | include/arch/x86_64/linux/bpf.h | 299 |
1 files changed, 147 insertions, 152 deletions
diff --git a/include/arch/x86_64/linux/bpf.h b/include/arch/x86_64/linux/bpf.h index 529e6cbd..7c4ac22c 100644 --- a/include/arch/x86_64/linux/bpf.h +++ b/include/arch/x86_64/linux/bpf.h @@ -47,7 +47,7 @@ #define BPF_EXIT 0x90 /* function return */ /* atomic op type fields (stored in immediate) */ -#define BPF_FETCH 0x01 /* not an opcode on its own, used to build others */ +#define BPF_FETCH 0x01 /* not an opcode on its own, used to build others */ #define BPF_XCHG (0xe0 | BPF_FETCH) /* atomic exchange */ #define BPF_CMPXCHG (0xf0 | BPF_FETCH) /* atomic compare-and-write */ @@ -1013,8 +1013,7 @@ enum bpf_map_type { * functionality and more. So mark * BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE * deprecated. */ - BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE = - BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE_DEPRECATED, + BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE = BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE_DEPRECATED, BPF_MAP_TYPE_QUEUE, BPF_MAP_TYPE_STACK, BPF_MAP_TYPE_SK_STORAGE, @@ -1483,7 +1482,7 @@ enum { }; union bpf_attr { - struct { /* anonymous struct used by BPF_MAP_CREATE command */ + struct { /* anonymous struct used by BPF_MAP_CREATE command */ __u32 map_type; /* one of enum bpf_map_type */ __u32 key_size; /* size of key in bytes */ __u32 value_size; /* size of value in bytes */ @@ -1496,10 +1495,10 @@ union bpf_attr { * BPF_F_NUMA_NODE is set). */ char map_name[BPF_OBJ_NAME_LEN]; - __u32 map_ifindex; /* ifindex of netdev to create on */ - __u32 btf_fd; /* fd pointing to a BTF type data */ - __u32 btf_key_type_id; /* BTF type_id of the key */ - __u32 btf_value_type_id; /* BTF type_id of the value */ + __u32 map_ifindex; /* ifindex of netdev to create on */ + __u32 btf_fd; /* fd pointing to a BTF type data */ + __u32 btf_key_type_id; /* BTF type_id of the key */ + __u32 btf_value_type_id; /* BTF type_id of the value */ __u32 btf_vmlinux_value_type_id; /* BTF type_id of a kernel- * struct stored as the * map value @@ -1536,7 +1535,7 @@ union bpf_attr { __u64 flags; }; - struct { /* struct used by BPF_MAP_*_BATCH commands */ + struct { /* struct used by BPF_MAP_*_BATCH commands */ __aligned_u64 in_batch; /* start batch, * NULL to start from beginning */ @@ -1553,7 +1552,7 @@ union bpf_attr { __u64 flags; } batch; - struct { /* anonymous struct used by BPF_PROG_LOAD command */ + struct { /* anonymous struct used by BPF_PROG_LOAD command */ __u32 prog_type; /* one of enum bpf_prog_type */ __u32 insn_cnt; __aligned_u64 insns; @@ -1577,7 +1576,7 @@ union bpf_attr { __u32 line_info_rec_size; /* userspace bpf_line_info size */ __aligned_u64 line_info; /* line info */ __u32 line_info_cnt; /* number of bpf_line_info records */ - __u32 attach_btf_id; /* in-kernel BTF type id to attach to */ + __u32 attach_btf_id; /* in-kernel BTF type id to attach to */ union { /* valid prog_fd to attach to bpf prog */ __u32 attach_prog_fd; @@ -1626,7 +1625,7 @@ union bpf_attr { struct { /* anonymous struct used by BPF_PROG_ATTACH/DETACH commands */ union { - __u32 target_fd; /* target object to attach to or ... */ + __u32 target_fd; /* target object to attach to or ... */ __u32 target_ifindex; /* target ifindex */ }; __u32 attach_bpf_fd; @@ -1685,7 +1684,7 @@ union bpf_attr { struct { /* anonymous struct used by BPF_PROG_QUERY command */ union { - __u32 target_fd; /* target object to query or ... */ + __u32 target_fd; /* target object to query or ... */ __u32 target_ifindex; /* target ifindex */ }; __u32 attach_type; @@ -1754,7 +1753,7 @@ union bpf_attr { __u32 map_fd; /* struct_ops to attach */ }; union { - __u32 target_fd; /* target object to attach to or ... */ + __u32 target_fd; /* target object to attach to or ... */ __u32 target_ifindex; /* target ifindex */ }; __u32 attach_type; /* attach type */ @@ -6117,9 +6116,7 @@ enum { BPF_ADJ_ROOM_ENCAP_L2_SHIFT = 56, }; -#define BPF_F_ADJ_ROOM_ENCAP_L2(len) \ - (((__u64)len & BPF_ADJ_ROOM_ENCAP_L2_MASK) \ - << BPF_ADJ_ROOM_ENCAP_L2_SHIFT) +#define BPF_F_ADJ_ROOM_ENCAP_L2(len) (((__u64)len & BPF_ADJ_ROOM_ENCAP_L2_MASK) << BPF_ADJ_ROOM_ENCAP_L2_SHIFT) /* BPF_FUNC_sysctl_get_name flags. */ enum { @@ -6198,8 +6195,7 @@ enum { BPF_F_INGRESS = (1ULL << 0), /* used for skb path */ BPF_F_BROADCAST = (1ULL << 3), /* used for XDP path */ BPF_F_EXCLUDE_INGRESS = (1ULL << 4), /* used for XDP path */ -#define BPF_F_REDIRECT_FLAGS \ - (BPF_F_INGRESS | BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS) +#define BPF_F_REDIRECT_FLAGS (BPF_F_INGRESS | BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS) }; #define __bpf_md_ptr(type, name) \ @@ -6644,8 +6640,8 @@ struct bpf_link_info { struct { __aligned_u64 target_name; /* in/out: target_name buffer ptr */ - __u32 target_name_len; /* in/out: target_name buffer len - */ + __u32 target_name_len; /* in/out: target_name buffer len + */ /* If the iter specific field is 32 bits, it can be put * in the first or second union. Otherwise it should be @@ -6926,8 +6922,7 @@ enum { enum { SK_BPF_CB_TX_TIMESTAMPING = 1 << 0, - SK_BPF_CB_MASK = (SK_BPF_CB_TX_TIMESTAMPING - 1) | - SK_BPF_CB_TX_TIMESTAMPING + SK_BPF_CB_MASK = (SK_BPF_CB_TX_TIMESTAMPING - 1) | SK_BPF_CB_TX_TIMESTAMPING }; /* List of known BPF sock_ops operators. @@ -6935,16 +6930,16 @@ enum { */ enum { BPF_SOCK_OPS_VOID, - BPF_SOCK_OPS_TIMEOUT_INIT, /* Should return SYN-RTO value to use or - * -1 if default value should be used - */ - BPF_SOCK_OPS_RWND_INIT, /* Should return initial advertized - * window (in packets) or -1 if default - * value should be used - */ - BPF_SOCK_OPS_TCP_CONNECT_CB, /* Calls BPF program right before an - * active connection is initialized - */ + BPF_SOCK_OPS_TIMEOUT_INIT, /* Should return SYN-RTO value to use or + * -1 if default value should be used + */ + BPF_SOCK_OPS_RWND_INIT, /* Should return initial advertized + * window (in packets) or -1 if default + * value should be used + */ + BPF_SOCK_OPS_TCP_CONNECT_CB, /* Calls BPF program right before an + * active connection is initialized + */ BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB, /* Calls BPF program when an * active connection is * established @@ -6953,119 +6948,119 @@ enum { * passive connection is * established */ - BPF_SOCK_OPS_NEEDS_ECN, /* If connection's congestion control - * needs ECN - */ - BPF_SOCK_OPS_BASE_RTT, /* Get base RTT. The correct value is - * based on the path and may be - * dependent on the congestion control - * algorithm. In general it indicates - * a congestion threshold. RTTs above - * this indicate congestion - */ - BPF_SOCK_OPS_RTO_CB, /* Called when an RTO has triggered. - * Arg1: value of icsk_retransmits - * Arg2: value of icsk_rto - * Arg3: whether RTO has expired - */ - BPF_SOCK_OPS_RETRANS_CB, /* Called when skb is retransmitted. - * Arg1: sequence number of 1st byte - * Arg2: # segments - * Arg3: return value of - * tcp_transmit_skb (0 => success) - */ - BPF_SOCK_OPS_STATE_CB, /* Called when TCP changes state. - * Arg1: old_state - * Arg2: new_state - */ - BPF_SOCK_OPS_TCP_LISTEN_CB, /* Called on listen(2), right after - * socket transition to LISTEN state. - */ - BPF_SOCK_OPS_RTT_CB, /* Called on every RTT. - * Arg1: measured RTT input (mrtt) - * Arg2: updated srtt - */ - BPF_SOCK_OPS_PARSE_HDR_OPT_CB, /* Parse the header option. - * It will be called to handle - * the packets received at - * an already established - * connection. - * - * sock_ops->skb_data: - * Referring to the received skb. - * It covers the TCP header only. - * - * bpf_load_hdr_opt() can also - * be used to search for a - * particular option. - */ - BPF_SOCK_OPS_HDR_OPT_LEN_CB, /* Reserve space for writing the - * header option later in - * BPF_SOCK_OPS_WRITE_HDR_OPT_CB. - * Arg1: bool want_cookie. (in - * writing SYNACK only) - * - * sock_ops->skb_data: - * Not available because no header has - * been written yet. - * - * sock_ops->skb_tcp_flags: - * The tcp_flags of the - * outgoing skb. (e.g. SYN, ACK, FIN). - * - * bpf_reserve_hdr_opt() should - * be used to reserve space. - */ - BPF_SOCK_OPS_WRITE_HDR_OPT_CB, /* Write the header options - * Arg1: bool want_cookie. (in - * writing SYNACK only) - * - * sock_ops->skb_data: - * Referring to the outgoing skb. - * It covers the TCP header - * that has already been written - * by the kernel and the - * earlier bpf-progs. - * - * sock_ops->skb_tcp_flags: - * The tcp_flags of the outgoing - * skb. (e.g. SYN, ACK, FIN). - * - * bpf_store_hdr_opt() should - * be used to write the - * option. - * - * bpf_load_hdr_opt() can also - * be used to search for a - * particular option that - * has already been written - * by the kernel or the - * earlier bpf-progs. - */ - BPF_SOCK_OPS_TSTAMP_SCHED_CB, /* Called when skb is passing - * through dev layer when - * SK_BPF_CB_TX_TIMESTAMPING - * feature is on. - */ - BPF_SOCK_OPS_TSTAMP_SND_SW_CB, /* Called when skb is about to send - * to the nic when - * SK_BPF_CB_TX_TIMESTAMPING feature is - * on. - */ - BPF_SOCK_OPS_TSTAMP_SND_HW_CB, /* Called in hardware phase when - * SK_BPF_CB_TX_TIMESTAMPING feature - * is on. - */ - BPF_SOCK_OPS_TSTAMP_ACK_CB, /* Called when all the skbs in the - * same sendmsg call are acked - * when SK_BPF_CB_TX_TIMESTAMPING - * feature is on. - */ - BPF_SOCK_OPS_TSTAMP_SENDMSG_CB, /* Called when every sendmsg syscall - * is triggered. It's used to correlate - * sendmsg timestamp with corresponding - * tskey. - */ + BPF_SOCK_OPS_NEEDS_ECN, /* If connection's congestion control + * needs ECN + */ + BPF_SOCK_OPS_BASE_RTT, /* Get base RTT. The correct value is + * based on the path and may be + * dependent on the congestion control + * algorithm. In general it indicates + * a congestion threshold. RTTs above + * this indicate congestion + */ + BPF_SOCK_OPS_RTO_CB, /* Called when an RTO has triggered. + * Arg1: value of icsk_retransmits + * Arg2: value of icsk_rto + * Arg3: whether RTO has expired + */ + BPF_SOCK_OPS_RETRANS_CB, /* Called when skb is retransmitted. + * Arg1: sequence number of 1st byte + * Arg2: # segments + * Arg3: return value of + * tcp_transmit_skb (0 => success) + */ + BPF_SOCK_OPS_STATE_CB, /* Called when TCP changes state. + * Arg1: old_state + * Arg2: new_state + */ + BPF_SOCK_OPS_TCP_LISTEN_CB, /* Called on listen(2), right after + * socket transition to LISTEN state. + */ + BPF_SOCK_OPS_RTT_CB, /* Called on every RTT. + * Arg1: measured RTT input (mrtt) + * Arg2: updated srtt + */ + BPF_SOCK_OPS_PARSE_HDR_OPT_CB, /* Parse the header option. + * It will be called to handle + * the packets received at + * an already established + * connection. + * + * sock_ops->skb_data: + * Referring to the received skb. + * It covers the TCP header only. + * + * bpf_load_hdr_opt() can also + * be used to search for a + * particular option. + */ + BPF_SOCK_OPS_HDR_OPT_LEN_CB, /* Reserve space for writing the + * header option later in + * BPF_SOCK_OPS_WRITE_HDR_OPT_CB. + * Arg1: bool want_cookie. (in + * writing SYNACK only) + * + * sock_ops->skb_data: + * Not available because no header has + * been written yet. + * + * sock_ops->skb_tcp_flags: + * The tcp_flags of the + * outgoing skb. (e.g. SYN, ACK, FIN). + * + * bpf_reserve_hdr_opt() should + * be used to reserve space. + */ + BPF_SOCK_OPS_WRITE_HDR_OPT_CB, /* Write the header options + * Arg1: bool want_cookie. (in + * writing SYNACK only) + * + * sock_ops->skb_data: + * Referring to the outgoing skb. + * It covers the TCP header + * that has already been written + * by the kernel and the + * earlier bpf-progs. + * + * sock_ops->skb_tcp_flags: + * The tcp_flags of the outgoing + * skb. (e.g. SYN, ACK, FIN). + * + * bpf_store_hdr_opt() should + * be used to write the + * option. + * + * bpf_load_hdr_opt() can also + * be used to search for a + * particular option that + * has already been written + * by the kernel or the + * earlier bpf-progs. + */ + BPF_SOCK_OPS_TSTAMP_SCHED_CB, /* Called when skb is passing + * through dev layer when + * SK_BPF_CB_TX_TIMESTAMPING + * feature is on. + */ + BPF_SOCK_OPS_TSTAMP_SND_SW_CB, /* Called when skb is about to send + * to the nic when + * SK_BPF_CB_TX_TIMESTAMPING feature is + * on. + */ + BPF_SOCK_OPS_TSTAMP_SND_HW_CB, /* Called in hardware phase when + * SK_BPF_CB_TX_TIMESTAMPING feature + * is on. + */ + BPF_SOCK_OPS_TSTAMP_ACK_CB, /* Called when all the skbs in the + * same sendmsg call are acked + * when SK_BPF_CB_TX_TIMESTAMPING + * feature is on. + */ + BPF_SOCK_OPS_TSTAMP_SENDMSG_CB, /* Called when every sendmsg syscall + * is triggered. It's used to correlate + * sendmsg timestamp with corresponding + * tskey. + */ }; /* List of TCP states. There is a build check in net/ipv4/tcp.c to detect @@ -7128,11 +7123,11 @@ enum { * -ENOENT: The SYN skb is not available now and the earlier SYN pkt * is not saved by setsockopt(TCP_SAVE_SYN). */ - TCP_BPF_SYN = 1005, /* Copy the TCP header */ - TCP_BPF_SYN_IP = 1006, /* Copy the IP[46] and TCP header */ - TCP_BPF_SYN_MAC = 1007, /* Copy the MAC, IP[46], and TCP header */ + TCP_BPF_SYN = 1005, /* Copy the TCP header */ + TCP_BPF_SYN_IP = 1006, /* Copy the IP[46] and TCP header */ + TCP_BPF_SYN_MAC = 1007, /* Copy the MAC, IP[46], and TCP header */ TCP_BPF_SOCK_OPS_CB_FLAGS = 1008, /* Get or Set TCP sock ops flags */ - SK_BPF_CB_FLAGS = 1009, /* Get or set sock ops flags in socket */ + SK_BPF_CB_FLAGS = 1009, /* Get or set sock ops flags in socket */ }; enum { @@ -7426,8 +7421,8 @@ struct bpf_pidns_info { struct bpf_sk_lookup { union { __bpf_md_ptr(struct bpf_sock *, sk); /* Selected socket */ - __u64 cookie; /* Non-zero if socket was selected in - PROG_TEST_RUN */ + __u64 cookie; /* Non-zero if socket was selected in + PROG_TEST_RUN */ }; __u32 family; /* Protocol family (AF_INET, AF_INET6) */ |