aboutsummaryrefslogtreecommitdiff
path: root/linux-headers/include/linux/tcp.h
diff options
context:
space:
mode:
Diffstat (limited to 'linux-headers/include/linux/tcp.h')
-rw-r--r--linux-headers/include/linux/tcp.h33
1 files changed, 24 insertions, 9 deletions
diff --git a/linux-headers/include/linux/tcp.h b/linux-headers/include/linux/tcp.h
index ee670e8..4ee5d77 100644
--- a/linux-headers/include/linux/tcp.h
+++ b/linux-headers/include/linux/tcp.h
@@ -51,7 +51,7 @@ struct tcphdr {
fin:1;
#else
#error "Adjust your <asm/byteorder.h> defines"
-#endif
+#endif
__be16 window;
__sum16 check;
__be16 urg_ptr;
@@ -62,14 +62,14 @@ struct tcphdr {
* (union is compatible to any of its members)
* This means this part of the code is -fstrict-aliasing safe now.
*/
-union tcp_word_hdr {
+union tcp_word_hdr {
struct tcphdr hdr;
- __be32 words[5];
-};
+ __be32 words[5];
+};
-#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])
+#define tcp_flag_word(tp) (((union tcp_word_hdr *)(tp))->words[3])
-enum {
+enum {
TCP_FLAG_CWR = __constant_cpu_to_be32(0x00800000),
TCP_FLAG_ECE = __constant_cpu_to_be32(0x00400000),
TCP_FLAG_URG = __constant_cpu_to_be32(0x00200000),
@@ -80,7 +80,7 @@ enum {
TCP_FLAG_FIN = __constant_cpu_to_be32(0x00010000),
TCP_RESERVED_BITS = __constant_cpu_to_be32(0x0F000000),
TCP_DATA_OFFSET = __constant_cpu_to_be32(0xF0000000)
-};
+};
/*
* TCP general constants
@@ -103,8 +103,8 @@ enum {
#define TCP_QUICKACK 12 /* Block/reenable quick acks */
#define TCP_CONGESTION 13 /* Congestion control algorithm */
#define TCP_MD5SIG 14 /* TCP MD5 Signature (RFC2385) */
-#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/
-#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */
+#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/
+#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */
#define TCP_USER_TIMEOUT 18 /* How long for loss retry before timeout */
#define TCP_REPAIR 19 /* TCP sock is under repair right now */
#define TCP_REPAIR_QUEUE 20
@@ -284,6 +284,11 @@ struct tcp_info {
__u32 tcpi_snd_wnd; /* peer's advertised receive window after
* scaling (bytes)
*/
+ __u32 tcpi_rcv_wnd; /* local advertised receive window after
+ * scaling (bytes)
+ */
+
+ __u32 tcpi_rehash; /* PLB or timeout triggered rehash attempts */
};
/* netlink attributes types for SCM_TIMESTAMPING_OPT_STATS */
@@ -314,6 +319,8 @@ enum {
TCP_NLA_TIMEOUT_REHASH, /* Timeout-triggered rehash attempts */
TCP_NLA_BYTES_NOTSENT, /* Bytes in write queue not yet sent */
TCP_NLA_EDT, /* Earliest departure time (CLOCK_MONOTONIC) */
+ TCP_NLA_TTL, /* TTL or hop limit of a packet received */
+ TCP_NLA_REHASH, /* PLB and timeout triggered rehash attempts */
};
/* for TCP_MD5SIG socket option */
@@ -343,11 +350,19 @@ struct tcp_diag_md5sig {
/* setsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, ...) */
+#define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1
struct tcp_zerocopy_receive {
__u64 address; /* in: address of mapping */
__u32 length; /* in/out: number of bytes to map/mapped */
__u32 recv_skip_hint; /* out: amount of bytes to skip */
__u32 inq; /* out: amount of bytes in read queue */
__s32 err; /* out: socket error */
+ __u64 copybuf_address; /* in: copybuf address (small reads) */
+ __s32 copybuf_len; /* in/out: copybuf bytes avail/used or error */
+ __u32 flags; /* in: flags */
+ __u64 msg_control; /* ancillary data */
+ __u64 msg_controllen;
+ __u32 msg_flags;
+ __u32 reserved; /* set to 0 for now */
};
#endif /* _LINUX_TCP_H */