Index: head/sys/dev/vmware/vmxnet3/if_vmx.c =================================================================== --- head/sys/dev/vmware/vmxnet3/if_vmx.c +++ head/sys/dev/vmware/vmxnet3/if_vmx.c @@ -287,7 +287,7 @@ .isc_vendor_info = vmxnet3_vendor_info_array, .isc_driver_version = "2", .isc_driver = &vmxnet3_iflib_driver, - .isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ, + .isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ | IFLIB_SINGLE_IRQ_RX_ONLY, /* * Number of receive queues per receive queue set, with associated Index: head/sys/net/iflib.h =================================================================== --- head/sys/net/iflib.h +++ head/sys/net/iflib.h @@ -366,6 +366,11 @@ * Driver will pass the media */ #define IFLIB_DRIVER_MEDIA 0x20000 +/* + * When using a single hardware interrupt for the interface, only process RX + * interrupts instead of doing combined RX/TX processing. + */ +#define IFLIB_SINGLE_IRQ_RX_ONLY 0x40000 /* * field accessors Index: head/sys/net/iflib.c =================================================================== --- head/sys/net/iflib.c +++ head/sys/net/iflib.c @@ -6059,6 +6059,7 @@ gtask_fn_t *fn; void *q; int err, tqrid; + bool rx_only; q = &ctx->ifc_rxqs[0]; info = &rxq[0].ifr_filter_info; @@ -6066,17 +6067,19 @@ tqg = qgroup_if_io_tqg; tqrid = *rid; fn = _task_fn_rx; + rx_only = (ctx->ifc_sctx->isc_flags & IFLIB_SINGLE_IRQ_RX_ONLY) != 0; ctx->ifc_flags |= IFC_LEGACY; info->ifi_filter = filter; info->ifi_filter_arg = filter_arg; info->ifi_task = gtask; - info->ifi_ctx = q; + info->ifi_ctx = rx_only ? ctx : q; dev = ctx->ifc_dev; /* We allocate a single interrupt resource */ - if ((err = _iflib_irq_alloc(ctx, irq, tqrid, iflib_fast_intr_rxtx, - NULL, info, name)) != 0) + err = _iflib_irq_alloc(ctx, irq, tqrid, rx_only ? iflib_fast_intr_ctx : + iflib_fast_intr_rxtx, NULL, info, name); + if (err != 0) return (err); GROUPTASK_INIT(gtask, 0, fn, q); res = irq->ii_res;