sys: improve cmsghdr description

1 files changed, 9 insertions, 10 deletions

diff --git a/sys/socket.txt b/sys/socket.txt
index 4ac9e4b27..c123a5db9 100644
--- a/sys/socket.txt
+++ b/sys/socket.txt
@@ -99,7 +99,7 @@ socket_domain = AF_UNIX, AF_INET, AF_INET6, AF_IPX, AF_NETLINK, AF_X25, AF_AX25,
 socket_type = SOCK_STREAM, SOCK_DGRAM, SOCK_SEQPACKET, SOCK_RAW, SOCK_RDM, SOCK_PACKET, SOCK_NONBLOCK, SOCK_CLOEXEC
 accept_flags = SOCK_NONBLOCK, SOCK_CLOEXEC
 shutdown_flags  = SHUT_RD, SHUT_WR
-send_flags = MSG_CONFIRM, MSG_DONTROUTE, MSG_DONTWAIT, MSG_EOR, MSG_MORE, MSG_NOSIGNAL, MSG_OOB
+send_flags = MSG_CONFIRM, MSG_DONTROUTE, MSG_DONTWAIT, MSG_EOR, MSG_MORE, MSG_NOSIGNAL, MSG_OOB, MSG_PROBE, MSG_BATCH, MSG_FASTOPEN
 recv_flags = MSG_CMSG_CLOEXEC, MSG_DONTWAIT, MSG_ERRQUEUE, MSG_OOB, MSG_PEEK, MSG_TRUNC, MSG_WAITALL, MSG_WAITFORONE
 sockopt_opt_sock_void = SO_DETACH_FILTER, SO_MARK
 sockopt_opt_sock_int = SO_ACCEPTCONN, SO_BROADCAST, SO_DEBUG, SO_DOMAIN, SO_ERROR, SO_DONTROUTE, SO_KEEPALIVE, SO_PEEK_OFF, SO_PRIORITY, SO_PROTOCOL, SO_RCVBUF, SO_RCVBUFFORCE, SO_RCVLOWAT, SO_SNDLOWAT, SO_REUSEADDR, SO_SNDBUF, SO_SNDBUFFORCE, SO_TIMESTAMP, SO_TYPE, SO_REUSEPORT, SO_OOBINLINE, SO_NO_CHECK, SO_PASSCRED, SO_TIMESTAMPNS, SO_LOCK_FILTER, SO_PASSSEC, SO_RXQ_OVFL, SO_WIFI_STATUS, SO_NOFCS, SO_SELECT_ERR_QUEUE, SO_BUSY_POLL, SO_MAX_PACING_RATE
@@ -116,6 +116,7 @@ ip_msfilter_mode = MCAST_INCLUDE, MCAST_EXCLUDE
 ip_mtu_discover = IP_PMTUDISC_DONT, IP_PMTUDISC_WANT, IP_PMTUDISC_DO, IP_PMTUDISC_PROBE, IP_PMTUDISC_INTERFACE, IP_PMTUDISC_OMIT
 sockopt_opt_ipv6_int = IPV6_ADDRFORM, IPV6_MTU, IPV6_MULTICAST_HOPS, IPV6_MULTICAST_IF, IPV6_MULTICAST_LOOP, IPV6_RECVPKTINFO, IPV6_RECVERR, IPV6_ROUTER_ALERT, IPV6_UNICAST_HOPS, IPV6_V6ONLY, IPV6_RTHDR, IPV6_AUTHHDR, IPV6_DSTOPTS, IPV6_HOPOPTS, IPV6_FLOWINFO, IPV6_HOPLIMIT, IPV6_CHECKSUM, IPV6_2292PKTINFO, IPV6_2292HOPOPTS, IPV6_2292DSTOPTS, IPV6_2292RTHDR, IPV6_2292HOPLIMIT
 sockopt_opt_ipv6_mreq = IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP, IPV6_JOIN_ANYCAST, IPV6_LEAVE_ANYCAST
+sock_level = IPPROTO_ICMP, SOL_IP, SOL_TCP, SOL_UDP, SOL_IPV6, SOL_ICMPV6, SOL_SCTP, SOL_UDPLITE, SOL_RAW, SOL_IPX, SOL_AX25, SOL_ATALK, SOL_NETROM, SOL_ROSE, SOL_DECNET, SOL_PACKET, SOL_ATM, SOL_AAL, SOL_IRDA, SOL_NETBEUI, SOL_LLC, SOL_DCCP, SOL_NETLINK, SOL_TIPC, SOL_RXRPC, SOL_PPPOL2TP, SOL_BLUETOOTH, SOL_PNPIPE, SOL_RDS, SOL_IUCV, SOL_CAIF, SOL_ALG, SOL_NFC, SOL_KCM
 
 sockaddr [
 	un		sockaddr_un
@@ -184,10 +185,10 @@ recv_msghdr {
 
 cmsghdr {
 	len	len[parent, intptr]
-	level	int32
+	level	flags[sock_level, int32]
 	type	int32
 	data	array[int8]
-}
+} [align_ptr]
 
 
 
@@ -254,8 +255,7 @@ cmsghdr_un_rights {
 	level	const[SOL_SOCKET, int32]
 	type	const[SCM_RIGHTS, int32]
 	fds	array[fd]
-# TODO: this struct must be padded to intptr (see CMSG_ALIGN)
-}
+} [align_ptr]
 
 cmsghdr_un_cred {
 	len	len[parent, intptr]
@@ -264,7 +264,7 @@ cmsghdr_un_cred {
 	pid	pid
 	uid	uid
 	gid	gid
-}
+} [align_ptr]
 
 
 
@@ -312,22 +312,21 @@ cmsghdr_alg_iv {
 	type	const[ALG_SET_IV, int32]
 	ivlen	len[iv, int32]
 	iv	array[int8]
-# TODO: this struct must be padded to intptr (see CMSG_ALIGN)
-}
+} [align_ptr]
 
 cmsghdr_alg_op {
 	len	len[parent, intptr]
 	level	const[SOL_ALG, int32]
 	type	const[ALG_SET_OP, int32]
 	op	int32
-}
+} [align_ptr]
 
 cmsghdr_alg_assoc {
 	len	len[parent, intptr]
 	level	const[SOL_ALG, int32]
 	type	const[ALG_SET_AEAD_ASSOCLEN, int32]
 	assoc	int32
-}
+} [align_ptr]
 
 af_alg_type = CRYPTO_ALG_TYPE_MASK, CRYPTO_ALG_TYPE_CIPHER, CRYPTO_ALG_TYPE_COMPRESS, CRYPTO_ALG_TYPE_AEAD, CRYPTO_ALG_TYPE_BLKCIPHER, CRYPTO_ALG_TYPE_ABLKCIPHER, CRYPTO_ALG_TYPE_GIVCIPHER, CRYPTO_ALG_TYPE_DIGEST, CRYPTO_ALG_TYPE_HASH, CRYPTO_ALG_TYPE_SHASH, CRYPTO_ALG_TYPE_AHASH, CRYPTO_ALG_TYPE_RNG, CRYPTO_ALG_TYPE_AKCIPHER, CRYPTO_ALG_TYPE_PCOMPRESS, CRYPTO_ALG_LARVAL, CRYPTO_ALG_DEAD, CRYPTO_ALG_DYING, CRYPTO_ALG_ASYNC, CRYPTO_ALG_NEED_FALLBACK, CRYPTO_ALG_GENIV, CRYPTO_ALG_TESTED, CRYPTO_ALG_INSTANCE, CRYPTO_ALG_KERN_DRIVER_ONLY, CRYPTO_ALG_INTERNAL