* tests/netlink_sock_diag.c: Include <linux/smc.h> and <linux/smc_diag.h>. (test_smc_diag_req, test_smc_diag_msg): New functions. (main): Use them. --- tests/netlink_sock_diag.c | 266 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 266 insertions(+)
diff --git a/tests/netlink_sock_diag.c b/tests/netlink_sock_diag.c index 8171e2e..50ef507 100644 --- a/tests/netlink_sock_diag.c +++ b/tests/netlink_sock_diag.c @@ -40,6 +40,10 @@ #include <linux/netlink.h> #include <linux/netlink_diag.h> #include <linux/packet_diag.h> +#ifdef AF_SMC +# include <linux/smc.h> +# include <linux/smc_diag.h> +#endif #include <linux/sock_diag.h> #include <linux/unix_diag.h> @@ -1186,6 +1190,264 @@ test_inet_diag_msg(const int fd) sprintrc(rc)); } +#ifdef AF_SMC +static void +test_smc_diag_req(const int fd) +{ + const char address[] = "8.8.8.8"; + struct nlmsghdr *nlh; + struct smc_diag_req *req; + uint8_t *family; + void *const nlh0 = tail_alloc(NLMSG_HDRLEN); + long rc; + + /* print family only */ + nlh = nlh0 - sizeof(*family); + *nlh = (struct nlmsghdr) { + .nlmsg_len = NLMSG_HDRLEN + sizeof(*family), + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_REQUEST, + }; + + family = NLMSG_DATA(nlh); + *family = AF_SMC; + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_REQUEST, seq=0, pid=0}, {family=AF_SMC}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family), + NLMSG_HDRLEN + (unsigned int) sizeof(*family), + sprintrc(rc)); + + /* print unknown family */ + *family = 0xff; + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_REQUEST, seq=0, pid=0}, {family=0xff /* AF_??? */}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family), + NLMSG_HDRLEN + (unsigned int) sizeof(*family), + sprintrc(rc)); + + /* short read of family */ + memmove(nlh0, nlh, NLMSG_HDRLEN); + nlh = nlh0; + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_REQUEST, seq=0, pid=0}, %p}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family), + NLMSG_DATA(nlh), + NLMSG_HDRLEN + (unsigned int) sizeof(*family), + sprintrc(rc)); + + /* print family and string */ + nlh = nlh0 - sizeof(*family) - 4; + *nlh = (struct nlmsghdr) { + .nlmsg_len = NLMSG_HDRLEN + sizeof(*family) + 4, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_REQUEST, + }; + + family = NLMSG_DATA(nlh); + *family = AF_SMC; + memcpy(family + 1, "1234", 4); + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family) + 4, MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_REQUEST, seq=0, pid=0}" + ", {family=AF_SMC, \"1234\"}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4, + NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4, + sprintrc(rc)); + + /* print smc_diag_req */ + nlh = nlh0 - sizeof(*req); + *nlh = (struct nlmsghdr) { + .nlmsg_len = NLMSG_HDRLEN + sizeof(*req), + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_REQUEST, + }; + + req = NLMSG_DATA(nlh); + *req = (struct smc_diag_req) { + .diag_family = AF_SMC, + .diag_ext = 1 << (SMC_DIAG_CONNINFO - 1), + }; + + if (!inet_pton(AF_INET, address, req->id.idiag_src)) + perror_msg_and_skip("sendto"); + if (!inet_pton(AF_INET, address, req->id.idiag_dst)) + perror_msg_and_skip("sendto"); + + rc = sendto(fd, nlh, nlh->nlmsg_len, MSG_DONTWAIT, NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_REQUEST, seq=0, pid=0}, {diag_family=AF_SMC" + ", diag_ext=(1<<(SMC_DIAG_CONNINFO-1)), id={idiag_sport=htons(0)" + ", idiag_dport=htons(0), inet_pton(AF_INET, \"%s\", idiag_src)" + ", inet_pton(AF_INET, \"%s\", idiag_dst), idiag_if=0" + ", idiag_cookie=[0, 0]}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, nlh->nlmsg_len, address, address, + nlh->nlmsg_len, sprintrc(rc)); + + /* short read of smc_diag_req */ + nlh = nlh0 - sizeof(*family); + memmove(nlh, nlh0 - sizeof(*req), NLMSG_HDRLEN + sizeof(*family)); + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*req), MSG_DONTWAIT, + NULL, 0); + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_REQUEST, seq=0, pid=0}, {family=AF_SMC, %p}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*req), + NLMSG_DATA(nlh) + 1, + NLMSG_HDRLEN + (unsigned int) sizeof(*req), + sprintrc(rc)); +} + +static void +test_smc_diag_msg(const int fd) +{ + const char address[] = "8.8.8.8"; + struct nlmsghdr *nlh; + struct smc_diag_msg *msg; + uint8_t *family; + void *const nlh0 = tail_alloc(NLMSG_HDRLEN); + long rc; + + /* print family only */ + nlh = nlh0 - sizeof(*family); + *nlh = (struct nlmsghdr) { + .nlmsg_len = NLMSG_HDRLEN + sizeof(*family), + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP, + }; + + family = NLMSG_DATA(nlh); + *family = AF_SMC; + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {family=AF_SMC}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family), + NLMSG_HDRLEN + (unsigned int) sizeof(*family), + sprintrc(rc)); + + /* print unknown family */ + *family = 0xff; + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {family=0xff /* AF_??? */}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family), + NLMSG_HDRLEN + (unsigned int) sizeof(*family), + sprintrc(rc)); + + /* short read of family */ + memmove(nlh0, nlh, NLMSG_HDRLEN); + nlh = nlh0; + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, %p}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family), + NLMSG_DATA(nlh), + NLMSG_HDRLEN + (unsigned int) sizeof(*family), + sprintrc(rc)); + + /* print family and string */ + nlh = nlh0 - sizeof(*family) - 4; + *nlh = (struct nlmsghdr) { + .nlmsg_len = NLMSG_HDRLEN + sizeof(*family) + 4, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP, + }; + + family = NLMSG_DATA(nlh); + *family = AF_SMC; + memcpy(family + 1, "1234", 4); + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family) + 4, MSG_DONTWAIT, + NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}" + ", {family=AF_SMC, \"1234\"}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4, + NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4, + sprintrc(rc)); + + /* print smc_diag_msg */ + nlh = nlh0 - sizeof(*msg); + *nlh = (struct nlmsghdr) { + .nlmsg_len = NLMSG_HDRLEN + sizeof(*msg), + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP, + }; + + msg = NLMSG_DATA(nlh); + *msg = (struct smc_diag_msg) { + .diag_family = AF_SMC, + .diag_state = SMC_ACTIVE, + }; + + if (!inet_pton(AF_INET, address, msg->id.idiag_src)) + perror_msg_and_skip("sendto"); + if (!inet_pton(AF_INET, address, msg->id.idiag_dst)) + perror_msg_and_skip("sendto"); + + rc = sendto(fd, nlh, nlh->nlmsg_len, MSG_DONTWAIT, NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {diag_family=AF_SMC" + ", diag_state=SMC_ACTIVE, diag_fallback=0, diag_shutdown=0" + ", id={idiag_sport=htons(0), idiag_dport=htons(0)" + ", inet_pton(AF_INET, \"%s\", idiag_src)" + ", inet_pton(AF_INET, \"%s\", idiag_dst), idiag_if=0" + ", idiag_cookie=[0, 0]}, diag_uid=0, diag_inode=0}}, %u" + ", MSG_DONTWAIT, NULL, 0) = %s\n", + fd, nlh->nlmsg_len, address, address, + nlh->nlmsg_len, sprintrc(rc)); + + /* short read of smc_diag_msg */ + nlh = nlh0 - sizeof(*family); + memmove(nlh, nlh0 - sizeof(*msg), NLMSG_HDRLEN + sizeof(*family)); + + rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*msg), MSG_DONTWAIT, + NULL, 0); + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {family=AF_SMC, %p}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, NLMSG_HDRLEN + (unsigned int) sizeof(*msg), + NLMSG_DATA(nlh) + 1, + NLMSG_HDRLEN + (unsigned int) sizeof(*msg), + sprintrc(rc)); +} +#endif + int main(void) { skip_if_unavailable("/proc/self/fd/"); @@ -1203,6 +1465,10 @@ int main(void) test_inet_diag_req(fd); test_inet_diag_req_v2(fd); test_inet_diag_msg(fd); +#ifdef AF_SMC + test_smc_diag_req(fd); + test_smc_diag_msg(fd); +#endif printf("+++ exited with 0 +++\n"); -- 2.7.4 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel