diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | sysdeps/gnu/netinet/tcp.h | 16 |
2 files changed, 26 insertions, 0 deletions
@@ -1,3 +1,13 @@ +2018-08-21 Joseph Myers <joseph@codesourcery.com> + + * sysdeps/gnu/netinet/tcp.h (TCP_ZEROCOPY_RECEIVE): New macro. + (TCP_INQ): Likewise. + (TCP_CM_INQ): Likewise. + (TCP_REPAIR_ON): Likewise. + (TCP_REPAIR_OFF): Likewise. + (TCP_REPAIR_OFF_NO_WP): Likewise. + (struct tcp_zerocopy_receive): New type. + 2018-08-21 Florian Weimer <fweimer@redhat.com> * support/support.h (support_descriptor_supports_holes): Declare. diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h index 44a72e9..1a164a96 100644 --- a/sysdeps/gnu/netinet/tcp.h +++ b/sysdeps/gnu/netinet/tcp.h @@ -75,6 +75,14 @@ #define TCP_MD5SIG_EXT 32 /* TCP MD5 Signature with extensions. */ #define TCP_FASTOPEN_KEY 33 /* Set the key for Fast Open (cookie). */ #define TCP_FASTOPEN_NO_COOKIE 34 /* Enable TFO without a TFO cookie. */ +#define TCP_ZEROCOPY_RECEIVE 35 +#define TCP_INQ 36 /* Notify bytes available to read + as a cmsg on read. */ +#define TCP_CM_INQ TCP_INQ + +#define TCP_REPAIR_ON 1 +#define TCP_REPAIR_OFF 0 +#define TCP_REPAIR_OFF_NO_WP -1 #ifdef __USE_MISC # include <sys/types.h> @@ -327,6 +335,14 @@ struct tcp_repair_window uint32_t rcv_wup; }; +/* For use with TCP_ZEROCOPY_RECEIVE. */ +struct tcp_zerocopy_receive +{ + uint64_t address; /* In: address of mapping. */ + uint32_t length; /* In/out: number of bytes to map/mapped. */ + uint32_t recv_skip_hint; /* Out: amount of bytes to skip. */ +}; + #endif /* Misc. */ #endif /* netinet/tcp.h */ |