Date: Wed, 1 Apr 2015 08:09:44 -0700 From: Waitman Gobble <gobble.wa@gmail.com> To: Maksim Yevmenkin <maksim.yevmenkin@gmail.com> Cc: "freebsd-bluetooth@freebsd.org" <freebsd-bluetooth@freebsd.org>, Iain Hibbert <plunky@ogmig.net> Subject: Re: register HID with SDP error Message-ID: <CAFuo_fygrjB12LZA4Z_qU2Tfa1UpqkN-8qsqL3NG-5VUsxeW7Q@mail.gmail.com> In-Reply-To: <CAFPOs6pwHSP3tDmTV4VGUr3jiP_P96W0FxAJbR6Md6Xc-yQAyg@mail.gmail.com> References: <CAFuo_fy9xRU2T3GUPY8116yZCUd8sL9pBQ9ixXnMwO56niJFog@mail.gmail.com> <CAFuo_fwPuaD4bYwfZou0RBswZsTmdtVZA1B2GqUdo3ZJJiWRQg@mail.gmail.com> <0AD7A2F7-37BE-4F6A-9FD6-F6C81B2CAF36@gmail.com> <CAFuo_fye5RWNtjsutHa%2BbXL0AYHYRpJxW-b=48o0iMwX227wdA@mail.gmail.com> <alpine.NEB.2.11.1503170658130.4414@galant.ogmig.net> <CAFuo_fx47uRC-eKD_KtsSsrMCQZauyHyCOgRxGbtp_WEZ49o_Q@mail.gmail.com> <alpine.NEB.2.11.1503171759510.4792@galant.ogmig.net> <CAFPOs6omaOOOumNk2Zg=YBgK9cy7JumOZ6k-89oTbVw-3PgAvg@mail.gmail.com> <CAFuo_fy%2BdmpcswwLMV3LaGGkN6VyQ%2B=ieEzYUT=omSLkhS8=EA@mail.gmail.com> <CAFuo_fwBcBQOZzFNntBSP0AwyAkGq=s-eeKJ1CCgjPp5tWdG=A@mail.gmail.com> <CAFPOs6rJJW2BC3rru%2Bvb5dAE0yaHGvr=0s8K9FZ1ee0rf-ML-w@mail.gmail.com> <CAFuo_fzRGc0_yrHYyqcfLrWX7q3AuLwA3v%2B9_QRTirU-Bx4xkw@mail.gmail.com> <CAFuo_fyYyoX6rNwN6_TfB01_xp5EQHFu-CJG=_dab_Qe7x1hkA@mail.gmail.com> <alpine.NEB.2.11.1503301517330.9258@galant.ogmig.net> <CAFuo_fxuTJqdvMg7jQ4rZy8qHLpNe2nRo%2B0JftGGBG2cjQ_QZg@mail.gmail.com> <alpine.NEB.2.11.1503301614370.9398@galant.ogmig.net> <CAFuo_fyvvJkfvpGfx-0dhhAsY6i_wMwZz4wEi47kEoLfaEV4EA@mail.gmail.com> <CAFPOs6pwHSP3tDmTV4VGUr3jiP_P96W0FxAJbR6Md6Xc-yQAyg@mail.gmail.com>
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On Wed, Apr 1, 2015 at 8:05 AM, Maksim Yevmenkin <maksim.yevmenkin@gmail.com> wrote: > Hello, > > [...] > >> Can this 'syntax error' problem be related to the requested MTU? >> >> with essentially the 'same' connection request, >> >> here's the transaction log from an MS Windows client. No syntax >> errors. The requested MTU is 1024 >> >> https://gist.github.com/waitman/2d5a72e9f9544848e832 >> >> L2CAP(d): cid 0x40 len 346 [psm 1] >> >> >> and a log from android client. Requested MTU is 256. >> >> https://gist.github.com/waitman/e365debcd4a96d849153 >> >> L2CAP(d): cid 0x43 len 247 [psm 1] >> >> note it's bombing out with something about aid 0x0200, which isn't >> actually an aid specified in my 0x1124 record. > > just a wild guess. please make sure that you maintain continuation > state properly. when sdp response is bigger than l2cap mtu, response > is chunked. > > thanks, > max Thank you, I was tinkering with things for awhile to try to find out why I was seeing 'syntax errors', but I'm thinking now there isn't a syntax error with the record, it's the hcidump program reading the broken up response. -- Waitman Gobble Los Altos California USA 510-830-7975
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