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author | Navdeep Parhar <np@FreeBSD.org> | 2023-04-02 00:43:20 +0000 |
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committer | Navdeep Parhar <np@FreeBSD.org> | 2024-01-11 05:06:58 +0000 |
commit | f0eedbcd80395190ff120b37beb59097827a1892 (patch) | |
tree | 14ef94f38871258069a7d3119d580dfebb59c57d | |
parent | 0e3fce67f1e5899be93f334022803ce9a52e7a13 (diff) | |
download | src-f0eedbcd80395190ff120b37beb59097827a1892.tar.gz src-f0eedbcd80395190ff120b37beb59097827a1892.zip |
cxgbetool(8): Add support for tracing loopback traffic for a port.
Use lo<n> to tap the loopback for port <n>.
Sponsored by: Chelsio Communications
(cherry picked from commit 4913a24e7910edf5a3f52536b780d1b1d4bb73a4)
-rw-r--r-- | usr.sbin/cxgbetool/cxgbetool.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/usr.sbin/cxgbetool/cxgbetool.c b/usr.sbin/cxgbetool/cxgbetool.c index 6f9031240515..c02bc7fdc054 100644 --- a/usr.sbin/cxgbetool/cxgbetool.c +++ b/usr.sbin/cxgbetool/cxgbetool.c @@ -122,7 +122,7 @@ usage(FILE *fp) "\tsched-queue <port> <queue> <class> bind NIC queues to TX Scheduling class\n" "\tstdio interactive mode\n" "\ttcb <tid> read TCB\n" - "\ttracer <idx> tx<n>|rx<n> set and enable a tracer\n" + "\ttracer <idx> tx<n>|rx<n>|lo<n> set and enable a tracer\n" "\ttracer <idx> disable|enable disable or enable a tracer\n" "\ttracer list list all tracers\n" ); @@ -2476,17 +2476,24 @@ set_tracer(uint8_t idx, int argc, const char *argv[]) t.valid = 1; if (argc != 1) { - warnx("must specify tx<n> or rx<n>."); + warnx("must specify one of tx/rx/lo<n>"); return (EINVAL); } len = strlen(argv[0]); if (len != 3) { - warnx("argument must be 3 characters (tx<n> or rx<n>)"); + warnx("argument must be 3 characters (tx/rx/lo<n>). eg. tx0"); return (EINVAL); } - if (strncmp(argv[0], "tx", 2) == 0) { + if (strncmp(argv[0], "lo", 2) == 0) { + port = argv[0][2] - '0'; + if (port < 0 || port > 3) { + warnx("'%c' in %s is invalid", argv[0][2], argv[0]); + return (EINVAL); + } + port += 8; + } else if (strncmp(argv[0], "tx", 2) == 0) { port = argv[0][2] - '0'; if (port < 0 || port > 3) { warnx("'%c' in %s is invalid", argv[0][2], argv[0]); |