dev/ice/if_ice_iflib.c

454  * before the Tx and Rx queues are allocated.
756  * logic which must wait until after the Tx and Rx queues have been
1022  * @ntxqs: the number of Tx queues per set (should always be 1)
1025  * Called by iflib to allocate Tx queues for the device. Allocates driver
1042 	/* Do not bother allocating queues if we're in recovery mode */
1066 	/* Assign queues from PF space to the main VSI */
1069 		device_printf(sc->dev, "Unable to assign PF queues: %s\n",
1086 		/* get the virtual and physical address of the hardware queues */
1115  * @nrxqs: number of Rx queues per set (should always be 1)
1118  * Called by iflib to allocate Rx queues for the device. Allocates driver
1134 	/* Do not bother allocating queues if we're in recovery mode */
1145 	/* Assign queues from PF space to the main VSI */
1148 		device_printf(sc->dev, "Unable to assign PF queues: %s\n",
1164 		/* get the virtual and physical address of the hardware queues */
1238  * ice_msix_que - Fast interrupt handler for MSI-X receive queues
1374  * of requested queues or reducing the demand from other features such as
1399 	int bar, queues, vectors, requested;
1425 		 * If the override sysctls have been set, limit the queues to
1428 		queues = mp_ncpus;
1434 		queues = CPU_COUNT(&cpus);
1438 	queues = imin(queues, rss_getnumbuckets());
1442 	 * and Rx queues.
1444 	queues = imin(queues, sc->ifc_sysctl_ntxqs ?: scctx->isc_ntxqsets);
1445 	queues = imin(queues, sc->ifc_sysctl_nrxqs ?: scctx->isc_nrxqsets);
1464 	requested = rdma + queues + 1;
1513 		if (queues <= diff) {
1519 		queues -= diff;
1522 	device_printf(dev, "Using %d Tx and Rx queues\n", queues);
1531 	scctx->isc_nrxqsets = queues;
1532 	scctx->isc_ntxqsets = queues;
1590  * ice_if_msix_intr_assign - Assign MSI-X interrupt vectors to queues
1594  * Called by iflib to assign MSI-X vectors to queues. Currently requires that
1595  * we get at least the same number of vectors as we have queues, and that we
1596  * always have the same number of Tx and Rx queues.
1598  * Tx queues use a softirq instead of using their own hardware interrupt.
1611 			      "iflib requested %d Tx queues, and %d Rx queues, but the driver isn't able to support a differing number of Tx and Rx queues\n",
1769 	 * assigned to queues. Instead of assuming that the interrupt
1990  * ice_update_rx_mbuf_sz - Update the Rx buffer size for all queues
2308  * change the number of queues dynamically when using iflib. Due to this, we
2309  * do not attempt to reduce the number of queues.
2380 		 * If we know the control queues are disabled, skip processing
2381 		 * the control queues entirely.
2466  * Loops over the Tx and Rx queues for the main PF VSI and reassigns the queue
2477 	/* Re-assign Tx queues from PF space to the main VSI */
2481 		device_printf(sc->dev, "Unable to re-assign PF Tx queues: %s\n",
2486 	/* Re-assign Rx queues from PF space to this VSI */
2490 		device_printf(sc->dev, "Unable to re-assign PF Rx queues: %s\n",
2674 		device_printf(sc->dev, "Unable to re-assign main VSI queues, err %s\n",
2737 	 * queues, not only 0. It contains ice_request_stack_reinit as well.
3031 	 * don't have, and disable Tx queues which aren't yet configured.
3062 	/* Dissociate the Tx and Rx queues from the interrupts */
3066 	/* Disable the Tx and Rx queues */
3104  * queues need to be re-initialized.
3107  * re-initialized if we need to resart Tx and Rx queues.
3520 	/* Reserve VSI queue allocation from PF queues */
3523 		device_printf(dev, "%s: Unable to allocate mirror VSI queue maps (%d queues): %s\n",
3529 	/* Assign Tx queues from PF space */
3533 		device_printf(dev, "Unable to assign mirror VSI Tx queues: %s\n",
3537 	/* Assign Rx queues from PF space */
3541 		device_printf(dev, "Unable to assign mirror VSI Rx queues: %s\n",
3696  * number of vectors as we have queues, and that we always have the same number
3697  * of Tx and Rx queues. Unlike that function, this calls a special
3701  * Tx queues use a softirq instead of using their own hardware interrupt so that
3780 		device_printf(sc->dev, "Unable to re-assign mirror VSI queues, err %s\n",
3829  * Loops over the Tx and Rx queues for the mirror VSI and reassigns the queue
3842 		device_printf(sc->dev, "Unable to assign mirror VSI Tx queues: %s\n",
3849 		device_printf(sc->dev, "Unable to assign mirror VSI Rx queues: %s\n",
3877  * @ntxqs: the number of Tx queues per set (should always be 1)
3934 		/* get the virtual and physical address of the hardware queues */
3961  * @nrxqs: number of Rx queues per set (should always be 1)
4003 		/* get the virtual and physical address of the hardware queues */
4035 			      "iflib requested %d Tx queues, and %d Rx queues, but the driver isn't able to support a differing number of Tx and Rx queues\n",
4288 	/* Dissociate the Tx and Rx queues from the interrupts */
4292 	/* Disable the Tx and Rx queues */
4316 	 * of vectors equal to number of RX queues