static bool match_prov_info()

in src/nccl_ofi_net.c [279:303]

• 13 lines of code
• 5 McCabe index (conditional complexity)

static bool match_prov_info(char *name, uint32_t addr_format,
			    uint64_t mem_tag_format, uint64_t expected_mem_tag_format)
{
	char *tcp_if_exclude_list = ofi_nccl_exclude_tcp_if();

	if (in_list(name, tcp_if_exclude_list)) {
		return true;
	} else if (!ofi_nccl_use_ipv6_tcp() && (addr_format == FI_SOCKADDR_IN6)) {
		return true;
	} else if (mem_tag_format != expected_mem_tag_format) {
		/* TODO: Remove after https://github.com/ofiwg/libfabric/issues/6126 is fixed */
		/* RxM utility provider adds `FI_COLLECTIVE` capability
		 * which ends up duplicating the fi_info structures. That
		 * is because the size of the supported tag changes when
		 * `FI_COLLECTIVE` is enabled.
		 * This happens even when applications do not request for
		 * this capability in hints.
		 * For now, we choose one tag format and use that to filter all
		 * info objects.
		 */
		return true;
	}

	return false;
}