cavium-octeon/executive/cvmx-pko.c

7  * Copyright (c) 2003-2008 Cavium Networks
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
34 #include <asm/octeon/cvmx-config.h>
35 #include <asm/octeon/cvmx-pko.h>
36 #include <asm/octeon/cvmx-helper.h>
64 		return -1;  in __cvmx_pko_int()
85 		config.s.tail		= (queue == (num_queues - 1));  in __cvmx_pko_iport_config()
95 				(CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE -  in __cvmx_pko_iport_config()
191 	 * 64bit words. This allows the normal two word send to stay  in cvmx_pko_initialize_global()
192 	 * aligned and never span a command word buffer.  in cvmx_pko_initialize_global()
196 	config.s.size = CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE / 8 - 1;  in cvmx_pko_initialize_global()
201 	 * Chip-specific setup.  in cvmx_pko_initialize_global()
214 		    cvmx_helper_get_last_ipd_port(num_interfaces - 1);  in cvmx_pko_initialize_global()
233  * This function does per-core initialization required by the PKO routines.
262 	 * always enable big endian for 3-word command. Does nothing  in cvmx_pko_enable()
263 	 * for 2-word.  in cvmx_pko_enable()
330  *		     allowed to be 0-8. A value of 8 get 8 times the traffic
348 	int static_priority_base = -1;  in cvmx_pko_config_port()
349 	int static_priority_end = -1;  in cvmx_pko_config_port()
376 			if (static_priority_base == -1  in cvmx_pko_config_port()
381 			if (static_priority_base != -1  in cvmx_pko_config_port()
382 			    && static_priority_end == -1  in cvmx_pko_config_port()
385 				static_priority_end = queue - 1;  in cvmx_pko_config_port()
386 			else if (static_priority_base != -1  in cvmx_pko_config_port()
387 				 && static_priority_end == -1  in cvmx_pko_config_port()
388 				 && queue == num_queues - 1)  in cvmx_pko_config_port()
397 			if (static_priority_end != -1  in cvmx_pko_config_port()
424 	 * are either both -1, or are valid start/end queue  in cvmx_pko_config_port()
444 		config.s.tail = queue == (num_queues - 1);  in cvmx_pko_config_port()
456 		 * to space the bits out evenly so the packet don't  in cvmx_pko_config_port()
509 						      -  in cvmx_pko_config_port()
552  * Show map of ports -> queues for different cores.
577  * Rate limit a PKO port to a max packets/sec. This function is only
595 	    cvmx_sysinfo_get()->cpu_clock_hz / packets_s / 16;  in cvmx_pko_rate_limit_packets()
596 	/* No cost per word since we are limited by packets/sec, not bits/sec */  in cvmx_pko_rate_limit_packets()
610  * Rate limit a PKO port to a max bits/sec. This function is only
614  * @bits_s: PKO rate limit in bits/sec
615  * @burst:  Maximum number of bits to burst before rate
624 	uint64_t clock_rate = cvmx_sysinfo_get()->cpu_clock_hz;  in cvmx_pko_rate_limit_bits()
632 	 * per word count. Multiply by 8 to covert to bits and divide  in cvmx_pko_rate_limit_bits()
636 	/* Each 8 byte word has 64bits */  in cvmx_pko_rate_limit_bits()