diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index 0d72dbb..1b667e8 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -373,6 +373,7 @@
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/stat.h>
+#include <sys/stream.h>
 #include <sys/mman.h>
 #include <sys/wait.h>
 #include <sys/ioctl.h>
diff --git a/unix/mkpost.go b/unix/mkpost.go
index e0e1b80..d22b057 100644
--- a/unix/mkpost.go
+++ b/unix/mkpost.go
@@ -57,6 +57,10 @@
 	fdSetRegex := regexp.MustCompile(`type (FdSet) struct {(\s+)X__fds_bits(\s+\S+\s+)}`)
 	b = fdSetRegex.ReplaceAll(b, []byte("type $1 struct {${2}Bits$3}"))
 
+	// Intentionally export __icmp6_filt field in icmpv6_filter
+	icmpV6Regex := regexp.MustCompile(`type (ICMPv6Filter) struct {(\s+)X__icmp6_filt(\s+\S+\s+)}`)
+	b = icmpV6Regex.ReplaceAll(b, []byte("type $1 struct {${2}Filt$3}"))
+
 	// If we have empty Ptrace structs, we should delete them. Only s390x emits
 	// nonempty Ptrace structs.
 	ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
diff --git a/unix/syscall_unix_test.go b/unix/syscall_unix_test.go
index f86e1e2..54bce4e 100644
--- a/unix/syscall_unix_test.go
+++ b/unix/syscall_unix_test.go
@@ -411,6 +411,12 @@
 	if err != nil {
 		t.Fatalf("Setrlimit: restore failed: %#v %v", rlimit, err)
 	}
+
+	// make sure RLIM_INFINITY can be assigned to Rlimit members
+	_ = unix.Rlimit{
+		Cur: unix.RLIM_INFINITY,
+		Max: unix.RLIM_INFINITY,
+	}
 }
 
 func TestSeekFailure(t *testing.T) {
diff --git a/unix/zerrors_solaris_amd64.go b/unix/zerrors_solaris_amd64.go
index 46e054c..c652fdf 100644
--- a/unix/zerrors_solaris_amd64.go
+++ b/unix/zerrors_solaris_amd64.go
@@ -192,6 +192,12 @@
 	CSTOPB                        = 0x40
 	CSUSP                         = 0x1a
 	CSWTCH                        = 0x1a
+	DIOC                          = 0x6400
+	DIOCGETB                      = 0x6402
+	DIOCGETC                      = 0x6401
+	DIOCGETP                      = 0x6408
+	DIOCSETE                      = 0x6403
+	DIOCSETP                      = 0x6409
 	DLT_AIRONET_HEADER            = 0x78
 	DLT_APPLE_IP_OVER_IEEE1394    = 0x8a
 	DLT_ARCNET                    = 0x7
@@ -645,6 +651,14 @@
 	MAP_SHARED                    = 0x1
 	MAP_TEXT                      = 0x400
 	MAP_TYPE                      = 0xf
+	MCAST_BLOCK_SOURCE            = 0x2b
+	MCAST_EXCLUDE                 = 0x2
+	MCAST_INCLUDE                 = 0x1
+	MCAST_JOIN_GROUP              = 0x29
+	MCAST_JOIN_SOURCE_GROUP       = 0x2d
+	MCAST_LEAVE_GROUP             = 0x2a
+	MCAST_LEAVE_SOURCE_GROUP      = 0x2e
+	MCAST_UNBLOCK_SOURCE          = 0x2c
 	MCL_CURRENT                   = 0x1
 	MCL_FUTURE                    = 0x2
 	MSG_CTRUNC                    = 0x10
@@ -653,6 +667,7 @@
 	MSG_DUPCTRL                   = 0x800
 	MSG_EOR                       = 0x8
 	MSG_MAXIOVLEN                 = 0x10
+	MSG_NOSIGNAL                  = 0x200
 	MSG_NOTIFICATION              = 0x100
 	MSG_OOB                       = 0x1
 	MSG_PEEK                      = 0x2
@@ -687,6 +702,7 @@
 	O_APPEND                      = 0x8
 	O_CLOEXEC                     = 0x800000
 	O_CREAT                       = 0x100
+	O_DIRECTORY                   = 0x1000000
 	O_DSYNC                       = 0x40
 	O_EXCL                        = 0x400
 	O_EXEC                        = 0x400000
@@ -725,7 +741,7 @@
 	RLIMIT_FSIZE                  = 0x1
 	RLIMIT_NOFILE                 = 0x5
 	RLIMIT_STACK                  = 0x3
-	RLIM_INFINITY                 = -0x3
+	RLIM_INFINITY                 = 0xfffffffffffffffd
 	RTAX_AUTHOR                   = 0x6
 	RTAX_BRD                      = 0x7
 	RTAX_DST                      = 0x0
@@ -1047,6 +1063,7 @@
 	TCOON                         = 0x1
 	TCP_ABORT_THRESHOLD           = 0x11
 	TCP_ANONPRIVBIND              = 0x20
+	TCP_CONGESTION                = 0x25
 	TCP_CONN_ABORT_THRESHOLD      = 0x13
 	TCP_CONN_NOTIFY_THRESHOLD     = 0x12
 	TCP_CORK                      = 0x18
@@ -1076,6 +1093,8 @@
 	TCSETSF                       = 0x5410
 	TCSETSW                       = 0x540f
 	TCXONC                        = 0x5406
+	TIMER_ABSTIME                 = 0x1
+	TIMER_RELTIME                 = 0x0
 	TIOC                          = 0x5400
 	TIOCCBRK                      = 0x747a
 	TIOCCDTR                      = 0x7478
diff --git a/unix/ztypes_solaris_amd64.go b/unix/ztypes_solaris_amd64.go
index 23ed9fe..db817f3 100644
--- a/unix/ztypes_solaris_amd64.go
+++ b/unix/ztypes_solaris_amd64.go
@@ -88,7 +88,6 @@
 	Mtim    Timespec
 	Ctim    Timespec
 	Blksize int32
-	_       [4]byte
 	Blocks  int64
 	Fstype  [16]int8
 }
@@ -96,7 +95,6 @@
 type Flock_t struct {
 	Type   int16
 	Whence int16
-	_      [4]byte
 	Start  int64
 	Len    int64
 	Sysid  int32
@@ -138,12 +136,12 @@
 }
 
 type RawSockaddrInet6 struct {
-	Family         uint16
-	Port           uint16
-	Flowinfo       uint32
-	Addr           [16]byte /* in6_addr */
-	Scope_id       uint32
-	X__sin6_src_id uint32
+	Family   uint16
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte /* in6_addr */
+	Scope_id uint32
+	_        uint32
 }
 
 type RawSockaddrUnix struct {
@@ -196,10 +194,8 @@
 type Msghdr struct {
 	Name         *byte
 	Namelen      uint32
-	_            [4]byte
 	Iov          *Iovec
 	Iovlen       int32
-	_            [4]byte
 	Accrights    *int8
 	Accrightslen int32
 	_            [4]byte
@@ -228,7 +224,7 @@
 }
 
 type ICMPv6Filter struct {
-	X__icmp6_filt [8]uint32
+	Filt [8]uint32
 }
 
 const (
@@ -291,7 +287,6 @@
 	Addrs   int32
 	Flags   int32
 	Index   uint16
-	_       [2]byte
 	Data    IfData
 }
 
@@ -299,7 +294,6 @@
 	Type       uint8
 	Addrlen    uint8
 	Hdrlen     uint8
-	_          [1]byte
 	Mtu        uint32
 	Metric     uint32
 	Baudrate   uint32
@@ -324,7 +318,6 @@
 	Addrs   int32
 	Flags   int32
 	Index   uint16
-	_       [2]byte
 	Metric  int32
 }
 
@@ -333,7 +326,6 @@
 	Version uint8
 	Type    uint8
 	Index   uint16
-	_       [2]byte
 	Flags   int32
 	Addrs   int32
 	Pid     int32
@@ -371,15 +363,14 @@
 }
 
 type BpfStat struct {
-	Recv    uint64
-	Drop    uint64
-	Capt    uint64
-	Padding [13]uint64
+	Recv uint64
+	Drop uint64
+	Capt uint64
+	_    [13]uint64
 }
 
 type BpfProgram struct {
 	Len   uint32
-	_     [4]byte
 	Insns *BpfInsn
 }