44  * 32 zero bits.  A special "zero entry" rule consisting of 64 zero bits
70  * The AP initializes all entries in a filter table to refer to a "zero"
95  * a "zero entry".  Once initialized, the modem and AP are responsible for
120  * 32-bit all-zero rule list terminator.  The "zero rule" is simply an
121  * all-zero rule followed by the list terminator.
137 	/* A "zero rule" is used to represent no filtering or no routing.  in ipa_table_validate_build()
189 /* Zero entry count means no table, so just return a 0 address */
199 	/* Skip over the zero rule and possibly the filter mask */  in ipa_table_addr()
230  * modem to refer to the zero entry.  The memory region supplied will be
417 		 * table is either the same as the non-hashed one, or zero.  in ipa_table_init_add()
439 	/* Zero the unused space in the filter table */  in ipa_table_init_add()
447 	/* Zero the unused space in the hashed filter table */  in ipa_table_init_add()
462 	 *     - One to zero unused entries in the non-hashed filter table  in ipa_table_setup()
463 	 *     - One to zero unused entries in the hashed filter table  in ipa_table_setup()
467 	 *     - One to zero unused entries in the non-hashed filter table  in ipa_table_setup()
468 	 *     - One to zero unused entries in the hashed filter table  in ipa_table_setup()
488  * ipa_filter_tuple_zero() - Zero an endpoint's hashed filter tuple
508 		/* Zero all filter-related fields, preserving the rest */  in ipa_filter_tuple_zero()
515 		/* Zero all filter-related fields */  in ipa_filter_tuple_zero()
549  * ipa_route_tuple_zero() - Zero a hashed route table entry tuple
567 		/* Zero all route-related fields, preserving the rest */  in ipa_route_tuple_zero()
574 		/* Zero all route-related fields */  in ipa_route_tuple_zero()
659 	 * supported, hashed tables are expected to have zero size (or not  in ipa_table_mem_valid()
692  * address of a filter rule.  A "zero rule" indicates no filtering, and
694  * reset) its entries are made to refer to the zero rule.
697  * routing there is also a 64-bit "zero rule" that means no routing, and
699  * to the zero rule.  The zero rule is shared for route and filter tables.
702  *	 --> |     zero rule     |
706  *	| ---- zero rule address | \
708  *	| ---- zero rule address |  |	Max IPA filter count
712  *	  ---- zero rule address | /
729 	 * aligned on a 128-byte boundary.  We put the "zero rule" at the  in ipa_table_init()
742 	/* First slot is the zero rule */  in ipa_table_init()
756 	/* All the rest contain the DMA address of the zero rule */  in ipa_table_init()