Commit 031ba90f authored by Michael Haeuptle's avatar Michael Haeuptle Committed by Jim Harris
Browse files

perf: Support setting IPv4 type of service (TOS) 



New option --transport-tos to allow setting TOS value for RDMA transport.

Signed-off-by: default avatarMichael Haeuptle <michael.haeuptle@hpe.com>
Change-Id: I7747fac5c6641dfd18356314e8209bf5f3f35b7e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15909


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Community-CI: Mellanox Build Bot
parent 7706450f

examples/nvme/perf/perf.c

+15 −0
Original line number Diff line number Diff line
@@ -254,6 +254,8 @@ static uint32_t g_io_queue_size = UINT16_MAX; 
static uint32_t g_sock_zcopy_threshold;

static char *g_sock_threshold_impl;



static uint8_t g_transport_tos = 0;



/* When user specifies -Q, some error messages are rate limited.  When rate

 * limited, we only print the error message every g_quiet_count times the

 * error occurs.
@@ -1855,6 +1857,7 @@ usage(char *program_name) 
	printf("\t[--psk-identity <val> Default PSK ID, e.g. psk.spdk.io (only applies when sock_impl == ssl)]\n");

	printf("\t[--zerocopy-threshold <val> data is sent with MSG_ZEROCOPY if size is greater than this val. Default: 0 to disable it]\n");

	printf("\t[--zerocopy-threshold-sock-impl <impl> specify the sock implementation to set zerocopy_threshold]\n");

	printf("\t[--transport-tos <val> specify the type of service for RDMA transport. Default: 0 (disabled)]\n");

}



static void
@@ -2363,6 +2366,8 @@ static const struct option g_perf_cmdline_opts[] = { 
	{"zerocopy-threshold", required_argument, NULL, PERF_ZEROCOPY_THRESHOLD},

#define PERF_SOCK_IMPL		266

	{"zerocopy-threshold-sock-impl", required_argument, NULL, PERF_SOCK_IMPL},

#define PERF_TRANSPORT_TOS		267

	{"transport-tos", required_argument, NULL, PERF_TRANSPORT_TOS},

	/* Should be the last element */

	{0, 0, 0, 0}

};
@@ -2606,6 +2611,14 @@ parse_args(int argc, char **argv, struct spdk_env_opts *env_opts) 
		case PERF_SOCK_IMPL:

			g_sock_threshold_impl = optarg;

			break;

		case PERF_TRANSPORT_TOS:

			val = spdk_strtol(optarg, 10);

			if (val < 0) {

				fprintf(stderr, "Invalid TOS value\n");

				return 1;

			}

			g_transport_tos = val;

			break;

		default:

			usage(argv[0]);

			return 1;
@@ -2790,6 +2803,8 @@ probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid, 
	opts->keep_alive_timeout_ms = g_keep_alive_timeout_in_ms;

	memcpy(opts->hostnqn, trid_entry->hostnqn, sizeof(opts->hostnqn));



	opts->transport_tos = g_transport_tos;



	return true;

}