diff options
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index b3564f85a762..fd9eb8f6bcae 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -155,6 +155,14 @@ enum { TCP_QUEUES_NR, }; +/* why fastopen failed from client perspective */ +enum tcp_fastopen_client_fail { + TFO_STATUS_UNSPEC, /* catch-all */ + TFO_COOKIE_UNAVAILABLE, /* if not in TFO_CLIENT_NO_COOKIE mode */ + TFO_DATA_NOT_ACKED, /* SYN-ACK did not ack SYN data */ + TFO_SYN_RETRANSMITTED, /* SYN-ACK did not ack SYN data after timeout */ +}; + /* for TCP_INFO socket option */ #define TCPI_OPT_TIMESTAMPS 1 #define TCPI_OPT_SACK 2 @@ -211,7 +219,7 @@ struct tcp_info { __u8 tcpi_backoff; __u8 tcpi_options; __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; - __u8 tcpi_delivery_rate_app_limited:1; + __u8 tcpi_delivery_rate_app_limited:1, tcpi_fastopen_client_fail:2; __u32 tcpi_rto; __u32 tcpi_ato; @@ -270,6 +278,12 @@ struct tcp_info { __u64 tcpi_bytes_retrans; /* RFC4898 tcpEStatsPerfOctetsRetrans */ __u32 tcpi_dsack_dups; /* RFC4898 tcpEStatsStackDSACKDups */ __u32 tcpi_reord_seen; /* reordering events seen */ + + __u32 tcpi_rcv_ooopack; /* Out-of-order packets received */ + + __u32 tcpi_snd_wnd; /* peer's advertised receive window after + * scaling (bytes) + */ }; /* netlink attributes types for SCM_TIMESTAMPING_OPT_STATS */ @@ -297,20 +311,22 @@ enum { TCP_NLA_DSACK_DUPS, /* DSACK blocks received */ TCP_NLA_REORD_SEEN, /* reordering events seen */ TCP_NLA_SRTT, /* smoothed RTT in usecs */ + TCP_NLA_TIMEOUT_REHASH, /* Timeout-triggered rehash attempts */ }; /* for TCP_MD5SIG socket option */ #define TCP_MD5SIG_MAXKEYLEN 80 /* tcp_md5sig extension flags for TCP_MD5SIG_EXT */ -#define TCP_MD5SIG_FLAG_PREFIX 1 /* address prefix length */ +#define TCP_MD5SIG_FLAG_PREFIX 0x1 /* address prefix length */ +#define TCP_MD5SIG_FLAG_IFINDEX 0x2 /* ifindex set */ struct tcp_md5sig { struct __kernel_sockaddr_storage tcpm_addr; /* address associated */ __u8 tcpm_flags; /* extension flags */ __u8 tcpm_prefixlen; /* address prefix */ __u16 tcpm_keylen; /* key length */ - __u32 __tcpm_pad; /* zero */ + int tcpm_ifindex; /* device index for scope */ __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; /* key (binary) */ }; |
