From: <Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA@public.gmane.org>
To: <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>
Cc: <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: RE: [PATCH 4/9] ocrdma: Driver for Emulex OneConnect RDMA adapter
Date: Wed, 21 Mar 2012 12:46:51 -0700 [thread overview]
Message-ID: <88B766C272F2C64B944B21AD078333151C964A6415@EXMAIL.ad.emulex.com> (raw)
In-Reply-To: <CAL1RGDWrwP3mY2=W42_c5wpefzqx_BnXhnwfy2fPrP=12hrBOw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
> -----Original Message-----
> From: Roland Dreier [mailto:roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org]
> Sent: Thursday, March 22, 2012 1:02 AM
> To: Pandit, Parav
> Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Subject: Re: [PATCH 4/9] ocrdma: Driver for Emulex OneConnect RDMA
> adapter
>
> On Wed, Mar 21, 2012 at 12:09 PM, <Parav.Pandit-laKkSmNT4hbQT0dZR+AlfA@public.gmane.org> wrote:
> > Yes. Driver needs to put QP to flush state. So that appropriate CQEs can be
> returned during poll_cq() phase.
> > So state machine is implemented above.
>
> Couldn't you just write
>
> if (ib_modify_qp_is_ok(...)) {
> if (new_state == OCRDMA_QPS_ERR)
> ocrdma_flush_qp(qp);
> } else {
> status = -EINVAL;
> }
>
> and save about 100 lines of code?
>
Yes, this can be done. This is one path.
Another path is async_event coming from adapter. So I still need qp_state_machine function but as you suggested, I'll remove the states and will have invoke flush_qp() on error.
> - R.
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next prev parent reply other threads:[~2012-03-21 19:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1332283154-16369-1-git-send-email-parav.pandit@emulex.com>
[not found] ` <1332283154-16369-2-git-send-email-parav.pandit@emulex.com>
[not found] ` <24c5b654-d6a5-418d-8187-fba4ad47a3ce@exht1.ad.emulex.com>
[not found] ` <24c5b654-d6a5-418d-8187-fba4ad47a3ce-nbYkmrCdWxmgMrCBcu8zE0EOCMrvLtNR@public.gmane.org>
2012-03-21 16:20 ` [PATCH 2/9] ocrdma: Driver for Emulex OneConnect RDMA adapter Roland Dreier
[not found] ` <CAL1RGDVxCE--P78bk0Me5o+ekSzgBYG0UJT6y3O7cK3mUGBjuQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-21 16:31 ` David Laight
[not found] ` <AE90C24D6B3A694183C094C60CF0A2F6026B6EB4-CgBM+Bx2aUAnGFn1LkZF6NBPR1lH4CV8@public.gmane.org>
2012-03-22 20:52 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <88B766C272F2C64B944B21AD078333151C964A66EF-/SwythR3zqxVRK6PHKByhFaTQe2KTcn/@public.gmane.org>
2012-03-22 20:58 ` Jason Gunthorpe
[not found] ` <20120322205824.GC9614-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-03-22 21:10 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <88B766C272F2C64B944B21AD078333151C964A670B-/SwythR3zqxVRK6PHKByhFaTQe2KTcn/@public.gmane.org>
2012-03-22 21:20 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <3ae9829d-f8dd-4268-918a-94616eff0915-nbYkmrCdWxmgMrCBcu8zE0EOCMrvLtNR@public.gmane.org>
2012-03-22 22:44 ` Jason Gunthorpe
[not found] ` <20120322224429.GA12980-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-03-22 23:45 ` Roland Dreier
2012-03-23 9:41 ` David Laight
2012-03-23 14:03 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <88B766C272F2C64B944B21AD078333151C964A67E0-/SwythR3zqxVRK6PHKByhFaTQe2KTcn/@public.gmane.org>
2012-03-23 16:54 ` Jason Gunthorpe
[not found] ` <20120323165414.GA15260-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-03-23 19:16 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
2012-03-21 19:02 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <1332283154-16369-3-git-send-email-parav.pandit@emulex.com>
[not found] ` <339d9e05-38fd-45b1-83ed-f06277bd1326@exht1.ad.emulex.com>
[not found] ` <339d9e05-38fd-45b1-83ed-f06277bd1326-nbYkmrCdWxmgMrCBcu8zE0EOCMrvLtNR@public.gmane.org>
2012-03-21 16:26 ` [PATCH 3/9] " Roland Dreier
[not found] ` <CAL1RGDWnc478=ToFQEC51Usn6LLZgLen=CymFZ0C0GnRp9BAsw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-21 16:33 ` David Laight
2012-03-21 19:04 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <88B766C272F2C64B944B21AD078333151C964A63F1-/SwythR3zqxVRK6PHKByhFaTQe2KTcn/@public.gmane.org>
2012-03-21 19:33 ` Roland Dreier
[not found] ` <CAL1RGDWmz4Yr8mqWMywN9X+refDEJ4W=ieBvOtZZc32qMDA5_w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-21 20:54 ` Jason Gunthorpe
[not found] ` <1332283154-16369-4-git-send-email-parav.pandit@emulex.com>
[not found] ` <a5e59a7c-d6ff-4c78-89a7-fad7492260b0@exht1.ad.emulex.com>
[not found] ` <a5e59a7c-d6ff-4c78-89a7-fad7492260b0-nbYkmrCdWxmgMrCBcu8zE0EOCMrvLtNR@public.gmane.org>
2012-03-21 16:34 ` [PATCH 4/9] " Roland Dreier
2012-03-21 19:09 ` Parav.Pandit
[not found] ` <88B766C272F2C64B944B21AD078333151C964A63FB-/SwythR3zqxVRK6PHKByhFaTQe2KTcn/@public.gmane.org>
2012-03-21 19:31 ` Roland Dreier
[not found] ` <CAL1RGDWrwP3mY2=W42_c5wpefzqx_BnXhnwfy2fPrP=12hrBOw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-21 19:46 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA [this message]
[not found] ` <1332283154-16369-5-git-send-email-parav.pandit@emulex.com>
[not found] ` <1332283154-16369-6-git-send-email-parav.pandit@emulex.com>
[not found] ` <5abe3043-81f8-448a-9e55-b29e23f4eb9a@exht1.ad.emulex.com>
[not found] ` <5abe3043-81f8-448a-9e55-b29e23f4eb9a-nbYkmrCdWxmgMrCBcu8zE0EOCMrvLtNR@public.gmane.org>
2012-03-21 16:42 ` [PATCH 6/9] " Roland Dreier
2012-03-21 19:10 ` Parav.Pandit-iH1Dq9VlAzfQT0dZR+AlfA
[not found] ` <3f46a051-ee2e-4e18-becf-60f6c023c3c6@exht1.ad.emulex.com>
[not found] ` <3f46a051-ee2e-4e18-becf-60f6c023c3c6-nbYkmrCdWxmgMrCBcu8zE0EOCMrvLtNR@public.gmane.org>
2012-03-21 16:14 ` [PATCH 1/9] " Roland Dreier
2012-03-21 18:58 ` Parav.Pandit
2012-03-21 16:45 ` Roland Dreier
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