Date: Sat, 31 Dec 2011 14:57:52 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r229111 - stable/9/sys/dev/usb/wlan Message-ID: <201112311457.pBVEvq6G069576@svn.freebsd.org>
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Author: hselasky Date: Sat Dec 31 14:57:52 2011 New Revision: 229111 URL: http://svn.freebsd.org/changeset/base/229111 Log: MFC r226465 and r226467: Fix an issue with 11g beacon frames which looks to be a limitation on the largest multi-write size. Modified: stable/9/sys/dev/usb/wlan/if_rum.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/amd64/include/xen/ (props changed) stable/9/sys/boot/ (props changed) stable/9/sys/boot/i386/efi/ (props changed) stable/9/sys/boot/ia64/efi/ (props changed) stable/9/sys/boot/ia64/ski/ (props changed) stable/9/sys/boot/powerpc/boot1.chrp/ (props changed) stable/9/sys/boot/powerpc/ofw/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) stable/9/sys/conf/ (props changed) stable/9/sys/contrib/dev/acpica/ (props changed) stable/9/sys/contrib/octeon-sdk/ (props changed) stable/9/sys/contrib/pf/ (props changed) stable/9/sys/contrib/x86emu/ (props changed) Modified: stable/9/sys/dev/usb/wlan/if_rum.c ============================================================================== --- stable/9/sys/dev/usb/wlan/if_rum.c Sat Dec 31 14:56:26 2011 (r229110) +++ stable/9/sys/dev/usb/wlan/if_rum.c Sat Dec 31 14:57:52 2011 (r229111) @@ -1407,20 +1407,27 @@ rum_write_multi(struct rum_softc *sc, ui { struct usb_device_request req; usb_error_t error; + int offset; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = RT2573_WRITE_MULTI_MAC; USETW(req.wValue, 0); - USETW(req.wIndex, reg); - USETW(req.wLength, len); - error = rum_do_request(sc, &req, buf); - if (error != 0) { - device_printf(sc->sc_dev, - "could not multi write MAC register: %s\n", - usbd_errstr(error)); + /* write at most 64 bytes at a time */ + for (offset = 0; offset < len; offset += 64) { + USETW(req.wIndex, reg + offset); + USETW(req.wLength, MIN(len - offset, 64)); + + error = rum_do_request(sc, &req, (char *)buf + offset); + if (error != 0) { + device_printf(sc->sc_dev, + "could not multi write MAC register: %s\n", + usbd_errstr(error)); + return (error); + } } - return (error); + + return (USB_ERR_NORMAL_COMPLETION); } static void
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