sys: add basic AF_LLC sockets descriptions

1 files changed, 52 insertions, 0 deletions

diff --git a/sys/socket_llc.txt b/sys/socket_llc.txt
new file mode 100644
index 000000000..f60a561eb
--- /dev/null
+++ b/sys/socket_llc.txt
@@ -0,0 +1,52 @@
+# Copyright 2017 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+# http://www.bocc.de/llcsocket.c
+
+# AF_LLC support.
+
+include <linux/socket.h>
+include <linux/net.h>
+include <linux/if_ether.h>
+include <linux/if_arp.h>
+include <linux/llc.h>
+
+resource sock_llc[sock]
+
+socket$llc(domain const[AF_LLC], type flags[llc_socket_type], proto const[0]) sock_llc
+socketpair$llc(domain const[AF_LLC], type flags[llc_socket_type], proto const[0], fds ptr[out, llc_pair])
+bind$llc(fd sock_llc, addr ptr[in, sockaddr_llc], addrlen len[addr])
+connect$llc(fd sock_llc, addr ptr[in, sockaddr_llc], addrlen len[addr])
+accept$llc(fd sock_llc, peer ptr[out, sockaddr_llc, opt], peerlen ptr[inout, len[peer, int32]]) sock_llc
+accept4$llc(fd sock_llc, peer ptr[out, sockaddr_llc, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock_llc
+
+sendto$llc(fd sock_llc, buf buffer[in], len len[buf], f flags[send_flags], addr ptr[in, sockaddr_llc, opt], addrlen len[addr])
+recvfrom$llc(fd sock_llc, buf buffer[out], len len[buf], f flags[recv_flags], addr ptr[in, sockaddr_llc, opt], addrlen len[addr])
+getsockname$llc(fd sock_llc, addr ptr[out, sockaddr_llc], addrlen ptr[inout, len[addr, int32]])
+getpeername$llc(fd sock_llc, peer ptr[out, sockaddr_llc], peerlen ptr[inout, len[peer, int32]])
+
+llc_socket_type = SOCK_DGRAM, SOCK_STREAM
+llc_protocols = ETH_P_802_3, ETH_P_AX25, ETH_P_ALL, ETH_P_802_2, ETH_P_SNAP, ETH_P_DDCMP, ETH_P_WAN_PPP, ETH_P_PPP_MP, ETH_P_LOCALTALK, ETH_P_CAN, ETH_P_CANFD, ETH_P_PPPTALK, ETH_P_TR_802_2, ETH_P_MOBITEX, ETH_P_CONTROL, ETH_P_IRDA, ETH_P_ECONET, ETH_P_HDLC, ETH_P_ARCNET, ETH_P_DSA, ETH_P_TRAILER, ETH_P_PHONET, ETH_P_IEEE802154, ETH_P_CAIF, ETH_P_XDSA
+
+llc_pair {
+	fd0	sock_llc
+	fd1	sock_llc
+}
+
+sockaddr_llc {
+	sllc_family	const[AF_LLC, int16]
+	sllc_protocol	flags[llc_protocols, int16be]
+	sllc_test	int8
+	sllc_xid	int8
+	sllc_ua		int8
+	sllc_sap	int8
+	sll_addr	mac_addr
+	pad		array[const[0, int8], 2]
+}
+
+# Generic options
+
+llc_option_types_int = LLC_OPT_RETRY, LLC_OPT_SIZE, LLC_OPT_ACK_TMR_EXP, LLC_OPT_P_TMR_EXP, LLC_OPT_REJ_TMR_EXP, LLC_OPT_BUSY_TMR_EXP, LLC_OPT_TX_WIN, LLC_OPT_RX_WIN, LLC_OPT_PKTINFO
+
+getsockopt$llc_int(fd sock_llc, level const[SOL_LLC], optname flags[llc_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]])
+setsockopt$llc_int(fd sock_llc, level const[SOL_LLC], optname flags[llc_option_types_int], optval ptr[in, int32], optlen len[optval])