diff options
Diffstat (limited to 'drivers/usb/wusbcore/wa-rpipe.c')
| -rw-r--r-- | drivers/usb/wusbcore/wa-rpipe.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c index f0d546c5a089..9a595c1ed867 100644 --- a/drivers/usb/wusbcore/wa-rpipe.c +++ b/drivers/usb/wusbcore/wa-rpipe.c @@ -251,8 +251,8 @@ static int __rpipe_reset(struct wahc *wa, unsigned index) static struct usb_wireless_ep_comp_descriptor epc0 = { .bLength = sizeof(epc0), .bDescriptorType = USB_DT_WIRELESS_ENDPOINT_COMP, -/* .bMaxBurst = 1, */ - .bMaxSequence = 31, + .bMaxBurst = 1, + .bMaxSequence = 2, }; /* @@ -317,6 +317,7 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa, struct device *dev = &wa->usb_iface->dev; struct usb_device *usb_dev = urb->dev; struct usb_wireless_ep_comp_descriptor *epcd; + u32 ack_window, epcd_max_sequence; u8 unauth; epcd = rpipe_epc_find(dev, ep); @@ -333,8 +334,11 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa, rpipe->descr.wBlocks = cpu_to_le16(16); /* given */ /* ep0 maxpktsize is 0x200 (WUSB1.0[4.8.1]) */ rpipe->descr.wMaxPacketSize = cpu_to_le16(ep->desc.wMaxPacketSize); - rpipe->descr.bHSHubAddress = 0; /* reserved: zero */ - rpipe->descr.bHSHubPort = wusb_port_no_to_idx(urb->dev->portnum); + + rpipe->descr.hwa_bMaxBurst = max(min_t(unsigned int, + epcd->bMaxBurst, 16U), 1U); + rpipe->descr.hwa_bDeviceInfoIndex = + wusb_port_no_to_idx(urb->dev->portnum); /* FIXME: use maximum speed as supported or recommended by device */ rpipe->descr.bSpeed = usb_pipeendpoint(urb->pipe) == 0 ? UWB_PHY_RATE_53 : UWB_PHY_RATE_200; @@ -344,26 +348,26 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa, le16_to_cpu(rpipe->descr.wRPipeIndex), usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed); - /* see security.c:wusb_update_address() */ - if (unlikely(urb->dev->devnum == 0x80)) - rpipe->descr.bDeviceAddress = 0; - else - rpipe->descr.bDeviceAddress = urb->dev->devnum | unauth; + rpipe->descr.hwa_reserved = 0; + rpipe->descr.bEndpointAddress = ep->desc.bEndpointAddress; /* FIXME: bDataSequence */ rpipe->descr.bDataSequence = 0; - /* FIXME: dwCurrentWindow */ - rpipe->descr.dwCurrentWindow = cpu_to_le32(1); - /* FIXME: bMaxDataSequence */ - rpipe->descr.bMaxDataSequence = epcd->bMaxSequence - 1; + + /* start with base window of hwa_bMaxBurst bits starting at 0. */ + ack_window = 0xFFFFFFFF >> (32 - rpipe->descr.hwa_bMaxBurst); + rpipe->descr.dwCurrentWindow = cpu_to_le32(ack_window); + epcd_max_sequence = max(min_t(unsigned int, + epcd->bMaxSequence, 32U), 2U); + rpipe->descr.bMaxDataSequence = epcd_max_sequence - 1; rpipe->descr.bInterval = ep->desc.bInterval; /* FIXME: bOverTheAirInterval */ rpipe->descr.bOverTheAirInterval = 0; /* 0 if not isoc */ /* FIXME: xmit power & preamble blah blah */ - rpipe->descr.bmAttribute = ep->desc.bmAttributes & 0x03; + rpipe->descr.bmAttribute = (ep->desc.bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK); /* rpipe->descr.bmCharacteristics RO */ - /* FIXME: bmRetryOptions */ - rpipe->descr.bmRetryOptions = 15; + rpipe->descr.bmRetryOptions = (wa->wusb->retry_count & 0xF); /* FIXME: use for assessing link quality? */ rpipe->descr.wNumTransactionErrors = 0; result = __rpipe_set_descr(wa, &rpipe->descr, @@ -387,10 +391,8 @@ static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa, const struct usb_host_endpoint *ep, const struct urb *urb, gfp_t gfp) { - int result = 0; /* better code for lack of companion? */ + int result = 0; struct device *dev = &wa->usb_iface->dev; - struct usb_device *usb_dev = urb->dev; - u8 unauth = (usb_dev->wusb && !usb_dev->authenticated) ? 0x80 : 0; u8 portnum = wusb_port_no_to_idx(urb->dev->portnum); #define AIM_CHECK(rdf, val, text) \ @@ -403,13 +405,10 @@ static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa, WARN_ON(1); \ } \ } while (0) - AIM_CHECK(wMaxPacketSize, cpu_to_le16(ep->desc.wMaxPacketSize), - "(%u vs %u)"); - AIM_CHECK(bHSHubPort, portnum, "(%u vs %u)"); + AIM_CHECK(hwa_bDeviceInfoIndex, portnum, "(%u vs %u)"); AIM_CHECK(bSpeed, usb_pipeendpoint(urb->pipe) == 0 ? UWB_PHY_RATE_53 : UWB_PHY_RATE_200, "(%u vs %u)"); - AIM_CHECK(bDeviceAddress, urb->dev->devnum | unauth, "(%u vs %u)"); AIM_CHECK(bEndpointAddress, ep->desc.bEndpointAddress, "(%u vs %u)"); AIM_CHECK(bInterval, ep->desc.bInterval, "(%u vs %u)"); AIM_CHECK(bmAttribute, ep->desc.bmAttributes & 0x03, "(%u vs %u)"); |