intel/ixgbe/ixgbe_lib.c

216 	/* FCoE uses a linear block of queues so just assigning 1:1 */
237 	/* FCoE uses a linear block of queues so just assigning 1:1 */
302 	int queues;
304 	queues = min_t(int, IXGBE_MAX_XDP_QS, nr_cpu_ids);
305 	return adapter->xdp_prog ? queues : 0;
317  * ixgbe_set_dcb_sriov_queues: Allocate queues for SR-IOV devices w/ DCB
320  * When SR-IOV (Single Root IO Virtualiztion) is enabled, allocate queues
321  * and VM pools where appropriate.  Also assign queues based on DCB
343 	/* limit VMDq instances on the PF by number of Tx queues */
360 	/* queues in the remaining pools are available for FCoE */
398 			/* alloc queues for FCoE separately */
402 			/* add queues to adapter */
432 	/* Map queue offset and counts onto allocated tx queues */
442 		/* 8 TC w/ 4 queues per TC */
446 		/* 8 TC w/ 8 queues per TC */
450 		/* 4 TC w/ 16 queues per TC */
465 	/* FCoE enabled queues require special configuration indexed
491  * ixgbe_set_sriov_queues - Allocate queues for SR-IOV devices
494  * When SR-IOV (Single Root IO Virtualiztion) is enabled, allocate queues
522 	/* 64 pool mode with 2 queues per pool */
527 	/* 32 pool mode with up to 4 queues per pool */
531 		/* We can support 4, 2, or 1 queues */
536 	/* queues in the remaining pools are available for FCoE */
576 			/* alloc queues for FCoE separately */
580 			/* merge FCoE queues with RSS queues */
587 			/* attempt to reserve some queues for just FCoE */
594 		/* add queues to adapter */
601 	 * restrict the queues that can be used by the device.
603 	 * queues.
616  * ixgbe_set_rss_queues - Allocate queues for RSS
661 	 * to get the best performance we allocate as many FCoE queues
663 	 * avoid sharing queues with standard RSS on systems with 24 or
672 		/* merge FCoE queues with RSS queues */
680 		/* attempt to reserve some queues for just FCoE */
695  * ixgbe_set_num_queues - Allocate queues for device, feature dependent
741 	/* We start by asking for one vector per queue pair with XDP queues
742 	 * being stacked with TX queues.
759 	 * number of Rx and Tx descriptor queues supported by our device.
1187 		e_dev_warn("Number of DCB TCs exceeds number of available queues. Disabling DCB support.\n");
1210 	/* recalculate number of queues now that many features have been
1238 	/* Number of supported queues */