2016-10-06 14:33, Iremonger, Bernard: > Hi Thomas, > > > Subject: Re: [dpdk-dev] [PATCH v5 01/13] librte_ether: modify internal > > callback function > > > > 2016-10-06 12:26, Bernard Iremonger: > > > void > > > _rte_eth_dev_callback_process(struct rte_eth_dev *dev, > > > - enum rte_eth_event_type event) > > > + enum rte_eth_event_type event, void *param) > > > > You need to squash the patches updating the calls to this function. > > Otherwise, this patch does not compile. > > I will have to squash everything into one patch, separate patches will not > compile.
No you can keep a separate patch for the VF event in ixgbe. > > [...] > > > + if (param != NULL) > > > + dev_cb.cb_arg = (void *) param; > > > > You are overriding the user parameter. > > Yes, we want to update the user parameter for the RTE_ETH_EVENT_VF_MBOX > > > As it is only for a new event, it can be described in the register API that > > the > > user param won't be returned for this event. > > I will add a description in the rte_eth_dev_callback_register function. > > > But a better design would be to add a new parameter to the callback. > > However it will be an API breakage. > > I do not want to break the ABI at this point. Yes, but it can be considered for a later change. > > > + RTE_ETH_EVENT_VF_MBOX, /**< PF mailbox processing callback */ > > > > Sorry I do not parse well this line. > > The event name is VF_MBOX and the comment is about the callback > > processing this event on PF side? > > I would suggest this kind of comment: "message from VF received by PF" > > Ok. > > > > > [...] > > > * Pointer to struct rte_eth_dev. > > > * @param event > > > * Eth device interrupt event type. > > > + * @param param > > > + * Parameter to pass back to user application. > > > + * Allows the user application to decide if a particular function > > > + * is permitted. > > > > In a more generic case, the parameter gives some details about the event. Please consider a rewording here, thanks.