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Searched refs:cmsg (Results 1 – 25 of 67) sorted by relevance

123

/linux/tools/testing/selftests/net/
H A Dcmsg_sender.c77 } cmsg; member
178 opt.cmsg.dontfrag.ena = true; in cs_parse_args()
179 opt.cmsg.dontfrag.val = atoi(optarg); in cs_parse_args()
185 opt.cmsg.tclass.ena = true; in cs_parse_args()
186 opt.cmsg.tclass.val = atoi(optarg); in cs_parse_args()
192 opt.cmsg.hlimit.ena = true; in cs_parse_args()
193 opt.cmsg.hlimit.val = atoi(optarg); in cs_parse_args()
199 opt.cmsg.exthdr.ena = true; in cs_parse_args()
202 opt.cmsg.exthdr.val = IPV6_HOPOPTS; in cs_parse_args()
205 opt.cmsg.exthdr.val = IPV6_DSTOPTS; in cs_parse_args()
[all …]
H A Dudpgso_bench_tx.c139 static void flush_cmsg(struct cmsghdr *cmsg) in flush_cmsg() argument
147 switch (cmsg->cmsg_level) { in flush_cmsg()
149 if (cmsg->cmsg_type == SO_TIMESTAMPING) { in flush_cmsg()
151 tss = (struct scm_timestamping *)CMSG_DATA(cmsg); in flush_cmsg()
156 cmsg->cmsg_type); in flush_cmsg()
161 switch (cmsg->cmsg_type) { in flush_cmsg()
165 err = (struct sock_extended_err *)CMSG_DATA(cmsg); in flush_cmsg()
200 cmsg->cmsg_type); in flush_cmsg()
206 cmsg->cmsg_level); in flush_cmsg()
216 struct cmsghdr *cmsg; in flush_errqueue_recv() local
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H A Dtimestamping.c159 struct cmsghdr *cmsg; in printpacket() local
172 for (cmsg = CMSG_FIRSTHDR(msg); in printpacket()
173 cmsg; in printpacket()
174 cmsg = CMSG_NXTHDR(msg, cmsg)) { in printpacket()
175 printf(" cmsg len %zu: ", cmsg->cmsg_len); in printpacket()
176 switch (cmsg->cmsg_level) { in printpacket()
179 switch (cmsg->cmsg_type) { in printpacket()
182 (struct timeval *)CMSG_DATA(cmsg); in printpacket()
190 (struct timespec *)CMSG_DATA(cmsg); in printpacket()
198 (struct timespec *)CMSG_DATA(cmsg); in printpacket()
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H A Dso_rcv_listener.c72 struct cmsghdr *cmsg; in main() local
146 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; cmsg = CMSG_NXTHDR(&msg, cmsg)) { in main()
147 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == opt.name) { in main()
148 recv_val = *(__u32 *)CMSG_DATA(cmsg); in main()
H A Drxtimestamp.c201 struct cmsghdr *cmsg; in do_recv() local
225 for (cmsg = CMSG_FIRSTHDR(&hdr); cmsg != NULL; in do_recv()
226 cmsg = CMSG_NXTHDR(&hdr, cmsg)) { in do_recv()
227 if (cmsg->cmsg_level != SOL_SOCKET) in do_recv()
229 cmsg->cmsg_level); in do_recv()
230 switch (cmsg->cmsg_type) { in do_recv()
238 ts = (struct scm_timestamping *)CMSG_DATA(cmsg); in do_recv()
245 error(1, 0, "Unexpected cmsg_type %d", cmsg->cmsg_type); in do_recv()
H A Dudpgso_bench_rx.c220 struct cmsghdr *cmsg; in recv_msg() local
235 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; in recv_msg()
236 cmsg = CMSG_NXTHDR(&msg, cmsg)) { in recv_msg()
237 if (cmsg->cmsg_level == SOL_UDP in recv_msg()
238 && cmsg->cmsg_type == UDP_GRO) { in recv_msg()
239 *gso_size = *(int *)CMSG_DATA(cmsg); in recv_msg()
/linux/net/handshake/
H A Dalert.c39 struct cmsghdr *cmsg; in tls_alert_send() local
56 cmsg = CMSG_FIRSTHDR(&msg); in tls_alert_send()
57 cmsg->cmsg_level = SOL_TLS; in tls_alert_send()
58 cmsg->cmsg_type = TLS_SET_RECORD_TYPE; in tls_alert_send()
59 cmsg->cmsg_len = CMSG_LEN(sizeof(record_type)); in tls_alert_send()
60 memcpy(CMSG_DATA(cmsg), &record_type, sizeof(record_type)); in tls_alert_send()
74 u8 tls_get_record_type(const struct sock *sk, const struct cmsghdr *cmsg) in tls_get_record_type() argument
78 if (cmsg->cmsg_level != SOL_TLS) in tls_get_record_type()
80 if (cmsg->cmsg_type != TLS_GET_RECORD_TYPE) in tls_get_record_type()
83 record_type = *((u8 *)CMSG_DATA(cmsg)); in tls_get_record_type()
/linux/tools/testing/selftests/net/af_unix/
H A Dscm_inq.c72 struct cmsghdr *cmsg; in recv_chunks() local
92 cmsg = CMSG_FIRSTHDR(&msg); in recv_chunks()
93 ASSERT_NE(NULL, cmsg); in recv_chunks()
94 ASSERT_EQ(CMSG_LEN(sizeof(int)), cmsg->cmsg_len); in recv_chunks()
95 ASSERT_EQ(SOL_SOCKET, cmsg->cmsg_level); in recv_chunks()
96 ASSERT_EQ(SCM_INQ, cmsg->cmsg_type); in recv_chunks()
100 ASSERT_EQ(*(int *)CMSG_DATA(cmsg), inq); in recv_chunks()
130 struct cmsghdr *cmsg; in TEST_F() local
160 cmsg = CMSG_FIRSTHDR(&msg); in TEST_F()
161 ASSERT_NE(NULL, cmsg); in TEST_F()
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H A Dscm_pidfd.c139 struct cmsghdr *cmsg; in parse_cmsg() local
146 for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL; in parse_cmsg()
147 cmsg = CMSG_NXTHDR(msg, cmsg)) { in parse_cmsg()
148 if (cmsg->cmsg_level == SOL_SOCKET && in parse_cmsg()
149 cmsg->cmsg_type == SCM_PIDFD) { in parse_cmsg()
150 if (cmsg->cmsg_len < sizeof(*res->pidfd)) { in parse_cmsg()
155 res->pidfd = (void *)CMSG_DATA(cmsg); in parse_cmsg()
158 if (cmsg->cmsg_level == SOL_SOCKET && in parse_cmsg()
159 cmsg->cmsg_type == SCM_CREDENTIALS) { in parse_cmsg()
160 if (cmsg->cmsg_len < sizeof(*res->ucred)) { in parse_cmsg()
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H A Dscm_rights_denial_lsm.c155 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in send_fds() local
158 cmsg->cmsg_level = SOL_SOCKET; in send_fds()
159 cmsg->cmsg_type = SCM_RIGHTS; in send_fds()
160 cmsg->cmsg_len = CMSG_LEN(n * sizeof(int)); in send_fds()
161 memcpy(CMSG_DATA(cmsg), fds, n * sizeof(int)); in send_fds()
185 struct cmsghdr *cmsg; in recv_fd_slots() local
192 cmsg = CMSG_FIRSTHDR(&msg); in recv_fd_slots()
193 if (!cmsg) in recv_fd_slots()
196 nr_slots = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int); in recv_fd_slots()
197 memcpy(slots, CMSG_DATA(cmsg), nr_slots * sizeof(int)); in recv_fd_slots()
/linux/tools/testing/selftests/namespaces/
H A Dsiocgskns_test.c121 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in TEST() local
122 cmsg->cmsg_level = SOL_SOCKET; in TEST()
123 cmsg->cmsg_type = SCM_RIGHTS; in TEST()
124 cmsg->cmsg_len = CMSG_LEN(sizeof(int)); in TEST()
125 memcpy(CMSG_DATA(cmsg), &sock_fd, sizeof(int)); in TEST()
157 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in TEST() local
158 ASSERT_NE(cmsg, NULL); in TEST()
159 ASSERT_EQ(cmsg->cmsg_type, SCM_RIGHTS); in TEST()
161 memcpy(&sock_fd, CMSG_DATA(cmsg), sizeof(int)); in TEST()
457 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in TEST() local
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/linux/tools/perf/trace/beauty/include/linux/
H A Dsocket.h130 #define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg)) argument
131 #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg)) argument
135 #define CMSG_DATA(cmsg) \ argument
136 ((void *)(cmsg) + sizeof(struct cmsghdr))
137 #define CMSG_USER_DATA(cmsg) \ argument
138 ((void __user *)(cmsg) + sizeof(struct cmsghdr))
146 #define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \ argument
147 (cmsg)->cmsg_len <= (unsigned long) \
149 ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
150 #define for_each_cmsghdr(cmsg, msg) \ argument
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/linux/include/linux/
H A Dsocket.h130 #define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg)) argument
131 #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg)) argument
135 #define CMSG_DATA(cmsg) \ argument
136 ((void *)(cmsg) + sizeof(struct cmsghdr))
137 #define CMSG_USER_DATA(cmsg) \ argument
138 ((void __user *)(cmsg) + sizeof(struct cmsghdr))
146 #define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \ argument
147 (cmsg)->cmsg_len <= (unsigned long) \
149 ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
150 #define for_each_cmsghdr(cmsg, msg) \ argument
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/linux/drivers/md/
H A Dmd-cluster.c514 static int process_add_new_disk(struct mddev *mddev, struct cluster_msg *cmsg) in process_add_new_disk() argument
525 sprintf(disk_uuid + len, "%pU", cmsg->uuid); in process_add_new_disk()
526 snprintf(raid_slot, 16, "RAID_DISK=%d", le32_to_cpu(cmsg->raid_slot)); in process_add_new_disk()
764 static int __sendmsg(struct md_cluster_info *cinfo, struct cluster_msg *cmsg) in __sendmsg() argument
769 cmsg->slot = cpu_to_le32(slot); in __sendmsg()
777 memcpy(cinfo->message_lockres->lksb.sb_lvbptr, (void *)cmsg, in __sendmsg()
811 static int sendmsg(struct md_cluster_info *cinfo, struct cluster_msg *cmsg, in sendmsg() argument
818 ret = __sendmsg(cinfo, cmsg); in sendmsg()
1009 struct cluster_msg cmsg = {0}; in resync_bitmap() local
1012 cmsg.type = cpu_to_le32(BITMAP_NEEDS_SYNC); in resync_bitmap()
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/linux/Documentation/translations/zh_CN/networking/
H A Dtimestamping.rst83 也可以通过 cmsg 为单个 sendmsg 调用启用时间戳生成（1.3.4）。
179 cmsg = CMSG_FIRSTHDR(msg);
180 cmsg->cmsg_level = SOL_SOCKET;
181 cmsg->cmsg_type = SCM_TS_OPT_ID;
182 cmsg->cmsg_len = CMSG_LEN(sizeof(__u32));
183 *((__u32 *) CMSG_DATA(cmsg)) = opt_id;
211 支持所有时间戳数据包的 recv() cmsg。控制消息已无条件地在所有接收时间戳数据包
218 仅适用于传输时间戳。使内核返回一个 cmsg 与一个空数据包一起，而不是与原
256 例外情况是当进程需要额外的 cmsg 数据时，例如 SOL_IP/IP_PKTINFO 以检测出
264 除了套接字选项外，时间戳生成还可以通过 cmsg 按写入请求，仅适用于
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/linux/tools/testing/selftests/tty/
H A Dtty_tiocsti_test.c252 struct cmsghdr *cmsg; in send_fd_via_socket() local
262 cmsg = CMSG_FIRSTHDR(&msg); in send_fd_via_socket()
263 cmsg->cmsg_level = SOL_SOCKET; in send_fd_via_socket()
264 cmsg->cmsg_type = SCM_RIGHTS; in send_fd_via_socket()
265 cmsg->cmsg_len = CMSG_LEN(sizeof(int)); in send_fd_via_socket()
267 memcpy(CMSG_DATA(cmsg), &fd_to_send, sizeof(int)); in send_fd_via_socket()
276 struct cmsghdr *cmsg; in recv_fd_via_socket() local
290 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { in recv_fd_via_socket()
291 if (cmsg->cmsg_level == SOL_SOCKET && in recv_fd_via_socket()
292 cmsg->cmsg_type == SCM_RIGHTS) { in recv_fd_via_socket()
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/linux/samples/seccomp/
H A Duser-trap.c35 struct cmsghdr *cmsg; in send_fd() local
47 cmsg = CMSG_FIRSTHDR(&msg); in send_fd()
48 cmsg->cmsg_level = SOL_SOCKET; in send_fd()
49 cmsg->cmsg_type = SCM_RIGHTS; in send_fd()
50 cmsg->cmsg_len = CMSG_LEN(sizeof(int)); in send_fd()
51 fd_ptr = (int *)CMSG_DATA(cmsg); in send_fd()
53 msg.msg_controllen = cmsg->cmsg_len; in send_fd()
66 struct cmsghdr *cmsg; in recv_fd() local
84 cmsg = CMSG_FIRSTHDR(&msg); in recv_fd()
85 fd_ptr = (int *)CMSG_DATA(cmsg); in recv_fd()
/linux/tools/testing/selftests/landlock/
H A Dcommon.h153 struct cmsghdr *cmsg; in recv_fd()
160 cmsg = CMSG_FIRSTHDR(&msg); in recv_fd()
161 if (cmsg->cmsg_len != CMSG_LEN(sizeof(fd_rx))) in recv_fd()
164 memcpy(&fd_rx, CMSG_DATA(cmsg), sizeof(fd_rx)); in recv_fd()
187 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in send_fd()
189 cmsg->cmsg_len = CMSG_LEN(sizeof(fd_tx)); in send_fd()
190 cmsg->cmsg_level = SOL_SOCKET; in send_fd()
191 cmsg->cmsg_type = SCM_RIGHTS; in send_fd()
192 memcpy(CMSG_DATA(cmsg), &fd_tx, sizeof(fd_tx)); in send_fd()
151 struct cmsghdr *cmsg; recv_fd() local
185 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); send_fd() local
/linux/net/ipv6/
H A Ddatagram.c802 struct cmsghdr *cmsg; in ip6_datagram_send_ctl() local
810 for_each_cmsghdr(cmsg, msg) { in ip6_datagram_send_ctl()
813 if (!CMSG_OK(msg, cmsg)) { in ip6_datagram_send_ctl()
818 if (cmsg->cmsg_level == SOL_SOCKET) { in ip6_datagram_send_ctl()
819 err = __sock_cmsg_send(sk, cmsg, &ipc6->sockc); in ip6_datagram_send_ctl()
825 if (cmsg->cmsg_level != SOL_IPV6) in ip6_datagram_send_ctl()
828 switch (cmsg->cmsg_type) { in ip6_datagram_send_ctl()
835 if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) { in ip6_datagram_send_ctl()
840 src_info = (struct in6_pktinfo *)CMSG_DATA(cmsg); in ip6_datagram_send_ctl()
888 if (cmsg->cmsg_len < CMSG_LEN(4)) { in ip6_datagram_send_ctl()
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/linux/net/rxrpc/
H A Doob.c116 struct cmsghdr *cmsg; in rxrpc_sendmsg_oob_cmsg() local
122 for_each_cmsghdr(cmsg, msg) { in rxrpc_sendmsg_oob_cmsg()
123 if (!CMSG_OK(msg, cmsg)) in rxrpc_sendmsg_oob_cmsg()
126 len = cmsg->cmsg_len - sizeof(struct cmsghdr); in rxrpc_sendmsg_oob_cmsg()
128 cmsg->cmsg_level, cmsg->cmsg_type, len); in rxrpc_sendmsg_oob_cmsg()
130 if (cmsg->cmsg_level != SOL_RXRPC) in rxrpc_sendmsg_oob_cmsg()
133 switch (cmsg->cmsg_type) { in rxrpc_sendmsg_oob_cmsg()
137 memcpy(&p->oob_id, CMSG_DATA(cmsg), sizeof(p->oob_id)); in rxrpc_sendmsg_oob_cmsg()
148 memcpy(&p->abort_code, CMSG_DATA(cmsg), sizeof(p->abort_code)); in rxrpc_sendmsg_oob_cmsg()
/linux/net/rds/
H A Dsend.c979 struct cmsghdr *cmsg; in rds_rm_size() local
989 for_each_cmsghdr(cmsg, msg) { in rds_rm_size()
990 if (!CMSG_OK(msg, cmsg)) in rds_rm_size()
993 if (cmsg->cmsg_level != SOL_RDS) in rds_rm_size()
996 switch (cmsg->cmsg_type) { in rds_rm_size()
998 if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args))) in rds_rm_size()
1014 retval = rds_rdma_extra_size(CMSG_DATA(cmsg), iov); in rds_rm_size()
1058 struct cmsghdr *cmsg) in rds_cmsg_zcopy() argument
1062 if (cmsg->cmsg_len < CMSG_LEN(sizeof(*cookie)) || in rds_cmsg_zcopy()
1065 cookie = CMSG_DATA(cmsg); in rds_cmsg_zcopy()
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/linux/net/
H A Dcompat.c106 #define CMSG_COMPAT_DATA(cmsg) \ argument
107 ((void __user *)((char __user *)(cmsg) + sizeof(struct compat_cmsghdr)))
125 struct compat_cmsghdr __user *cmsg, int cmsg_len) in cmsg_compat_nxthdr()
127 char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len); in cmsg_compat_nxthdr()
183 struct compat_cmsghdr cmsg; in cmsghdr_from_user_compat_to_kern() local
184 if (copy_from_user(&cmsg, ucmsg, sizeof(cmsg))) in cmsghdr_from_user_compat_to_kern()
186 if (!CMSG_COMPAT_OK(cmsg.cmsg_len, ucmsg, kmsg)) in cmsghdr_from_user_compat_to_kern()
188 tmp = ((cmsg.cmsg_len - sizeof(*ucmsg)) + sizeof(struct cmsghdr)); in cmsghdr_from_user_compat_to_kern()
192 kcmsg->cmsg_level = cmsg.cmsg_level; in cmsghdr_from_user_compat_to_kern()
193 kcmsg->cmsg_type = cmsg.cmsg_type; in cmsghdr_from_user_compat_to_kern()
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/linux/arch/um/os-Linux/
H A Dfile.c512 struct cmsghdr *cmsg; in os_rcv_fd_msg() local
532 cmsg = CMSG_FIRSTHDR(&msg); in os_rcv_fd_msg()
533 if (!cmsg || in os_rcv_fd_msg()
534 cmsg->cmsg_level != SOL_SOCKET || in os_rcv_fd_msg()
535 cmsg->cmsg_type != SCM_RIGHTS) in os_rcv_fd_msg()
538 memcpy(fds, CMSG_DATA(cmsg), cmsg->cmsg_len - CMSG_LEN(0)); in os_rcv_fd_msg()
661 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in os_sendmsg_fds() local
667 cmsg->cmsg_level = SOL_SOCKET; in os_sendmsg_fds()
668 cmsg->cmsg_type = SCM_RIGHTS; in os_sendmsg_fds()
669 cmsg->cmsg_len = CMSG_LEN(fds_size); in os_sendmsg_fds()
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/linux/tools/testing/selftests/bpf/prog_tests/
H A Dcrypto_sanity.c52 struct cmsghdr *cmsg; in do_crypt_afalg() local
59 cmsg = CMSG_FIRSTHDR(&msg); in do_crypt_afalg()
60 cmsg->cmsg_level = SOL_ALG; in do_crypt_afalg()
61 cmsg->cmsg_type = ALG_SET_OP; in do_crypt_afalg()
62 cmsg->cmsg_len = CMSG_LEN(4); in do_crypt_afalg()
63 *(__u32 *)CMSG_DATA(cmsg) = encrypt ? ALG_OP_ENCRYPT : ALG_OP_DECRYPT; in do_crypt_afalg()
H A Dlwt_reroute.c102 struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); in overflow_fq() local
122 cmsg->cmsg_type = SCM_TXTIME; in overflow_fq()
123 cmsg->cmsg_level = SOL_SOCKET; in overflow_fq()
124 cmsg->cmsg_len = CMSG_LEN(sizeof(uint64_t)); in overflow_fq()
132 *(uint64_t *)CMSG_DATA(cmsg) = (now.tv_nsec + 1) * NSEC_PER_SEC + in overflow_fq()

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