CN103618586B - A kind of method and device for sending response frame - Google Patents

A kind of method and device for sending response frame Download PDF

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Publication number
CN103618586B
CN103618586B CN201310553730.XA CN201310553730A CN103618586B CN 103618586 B CN103618586 B CN 103618586B CN 201310553730 A CN201310553730 A CN 201310553730A CN 103618586 B CN103618586 B CN 103618586B
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China
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command id
starter
order
corresponding
set
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CN201310553730.XA
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Chinese (zh)
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CN103618586A (en
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张靖
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华为技术有限公司
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Abstract

The invention discloses a kind of method and device for sending response frame, belong to communication technical field.Methods described includes:The order is performed according to the priority of the order received;When the order is finished, the corresponding command id of the order is stored in the corresponding command id set of starter for sending the order;When the corresponding command id set of the starter meets preparatory condition, the command id generation response frame in the command id set for meeting preparatory condition, and the response frame is returned into the starter.The present invention returns to starter by the way that the corresponding command id of the order performed is carried out into classification storage according to the starter for sending the order, and the corresponding command id of the starter for the condition that meets packed together when meeting preparatory condition.The link overhead between starter and object machine is reduced, link transmission efficiency is improved.

Description

A kind of method and device for sending response frame

Technical field

The present invention relates to communication technical field, more particularly to a kind of method and device for sending response frame.

Background technology

With the development of the communication technology, based on SCSI(Small Computer System Interface, small-sized calculating Machine system interface)Technological development has gone out brand-new communication interface SAS(Serial Attached SCSI)Serial SCSI bus connects Mouthful, the communication interface is by serial technology to obtain higher transmission rate.

Provide to transmit sequence by different frame in SAS host-host protocols transmit communicating pair starter and object machine it Between order and response, wherein every kind of frame transmission sequence all starts in response to frame end, i.e. starter with command frame and is used as life The promoter of order, is sent to object machine by command frame, wherein carries command id in command frame.When object machine has performed command frame In order after the command id be stored in response frame return to starter, starter can be according in the response frame received Command id identify that the corresponding order of command id is performed and finished.

During the present invention is realized, inventor has found that prior art at least has problems with:

Needed for exectorial object machine to the independent return response frame of each order, and different response frames In to the effect that identical, the command id simply carried is different, thus each order when being finished correspondence send one The mode of individual response frame can increase link overhead, cause link transmission efficiency to decline.

The content of the invention

In order to solve problem of the prior art, the embodiments of the invention provide a kind of method and device for sending response frame. The technical scheme is as follows:

First aspect, a kind of method of transmission response frame, including:

The order is performed according to the priority of the order received;

When the order is finished, the corresponding command id of the order is stored in the startup for sending the order In the corresponding command id set of device;

When the corresponding command id set of the starter meets preparatory condition, according to the life for meeting preparatory condition Make the command id in logo collection generate response frame, and the response frame is returned into the starter.

It is described to be stored in the corresponding command id of the order in the first possible implementation of first aspect Send in the corresponding set of starter of the order, including:

In the command frame for carrying the order, the corresponding starter mark of starter for sending the order is obtained respectively With the corresponding command id of the order;

The corresponding command id set of the starter is belonged to according to the starter identifier lookup;

The command id is stored in and belongs to the starter, and priority and the priority identical of the order In command id set.

With reference to the first possible implementation of first aspect, in second of possible implementation, the basis Command id generation response frame in the command id set for meeting preparatory condition, and the response frame returned to described Starter, including:

When existing in the command id set for belonging to the starter in two or more command id set When command id meets preparatory condition, then distinguished according to the command id met in each command id set of preparatory condition Each described corresponding response frame of command id set of generation;

According to each described corresponding priority of command id set from high to low order, respectively will it is described each The corresponding response frame of command id set returns to the starter.

It is described to be stored in the corresponding command id of the order in the third possible implementation of first aspect After sending in the corresponding command id set of starter of the order, methods described also includes:

When the command id in the corresponding command id set of the starter is more than predetermined number threshold value, it is determined that institute State the corresponding command id set of starter and meet preparatory condition;Or,

When the time of the corresponding command id set storage command id of the starter reaching preset time, it is determined that The corresponding command id set of the starter meets preparatory condition.

It is described to be stored in the corresponding command id of the order in the 4th kind of possible implementation of first aspect After sending in the corresponding command id set of starter of the order, methods described also includes:

When receiving the deletion action order that the starter is sent, in the corresponding command id set of the starter It is middle to search the command id carried in the deletion action order, and by the command id found in the starter pair Deleted in the command id set answered.

Second aspect, a kind of device of transmission response frame, including:

Performing module, the order is performed for the priority according to the order received;

Memory module, for when the order is finished, the corresponding command id of the order to be stored in into transmission In the corresponding command id set of starter of the order;

Module is returned to, for when the corresponding command id set of the starter meets preparatory condition, according to described full Command id generation response frame in the command id set of sufficient preparatory condition, and the response frame is returned into the startup Device.

In the first possible implementation of second aspect, the memory module, including:

Acquiring unit, in the command frame for carrying the order, the starter pair for sending the order to be obtained respectively Starter mark and the corresponding command id of the order answered;

Searching unit, for belonging to the corresponding command id set of the starter according to the starter identifier lookup;

Memory cell, belongs to the starter for the command id to be stored in, and priority and the order Priority identical command id set in.

It is described to return in second of possible implementation with reference to the first possible implementation of second aspect Module, including:

, there are two or more orders in the command id set that the starter is belonged to for working as in generation unit When command id in logo collection meets preparatory condition, then according to meeting in each command id set of preparatory condition Command id generates each described corresponding response frame of command id set respectively;

Returning unit, for, from high to low order, being divided according to each described corresponding priority of command id set Each described corresponding response frame of command id set the starter is not returned into.

In the third possible implementation of second aspect, described device also includes:

First determining module, for being more than present count when the command id in the corresponding command id set of the starter When measuring threshold value, it is determined that the corresponding command id set of the starter meets preparatory condition;

Second determining module, for being reached when the time of the corresponding command id set storage command id of the starter During preset time, it is determined that the corresponding command id set of the starter meets preparatory condition.

In the 4th kind of possible implementation of second aspect, described device also includes:

Removing module, for when receiving the deletion action order that the starter is sent, in starter correspondence Command id set in search the command id carried in the deletion action order, and by the command id found Deleted in the corresponding command id set of the starter.

The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:

By the way that the corresponding command id of the order performed is carried out into classification storage according to the starter for sending the order, and The corresponding command id of the starter for the condition that meets is packed together when meeting preparatory condition and returns to starter.Reduce and open Dynamic link overhead between device and object machine, improves link transmission efficiency.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Fig. 1 is the method flow diagram for the transmission response frame that the embodiment of the present invention one is provided;

Fig. 2 is the method flow diagram for the transmission response frame that the embodiment of the present invention two is provided;

Fig. 3 is the apparatus structure schematic diagram for the transmission response frame that the embodiment of the present invention three is provided;

Fig. 4 is the terminal structure schematic diagram that the embodiment of the present invention four is provided.

Embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.

Embodiment one

The embodiments of the invention provide a kind of method for sending response frame, referring to Fig. 1, method flow includes:

101:Order is performed according to the priority of the order received;

102:When order is finished, the starter that the corresponding command id of order is stored in into transmission order is corresponding In command id set;

103:When the corresponding command id set of starter meets preparatory condition, according to the order mark for meeting preparatory condition Know the command id generation response frame in set, and response frame is returned into starter.

The embodiment of the present invention is by the way that the corresponding command id of the order performed is entered according to the starter for sending the order Row classification storage, and the corresponding command id of the starter for the condition that meets packs to return to together when meeting preparatory condition opened Dynamic device.The link overhead between starter and object machine is reduced, link transmission efficiency is improved.

Embodiment two

The embodiments of the invention provide a kind of method for sending response frame, referring to Fig. 2, method flow includes:

201:Order is performed according to the priority of the order received.

Specifically, the maintenance internal command of each starter independence of the object machine to support performs queue, when object machine connects When receiving the command frame of starter transmission, identified according to the starter for sending the command frame, find starter correspondence order Queue is performed, and according to the priority of the order preserved in the command frame, the order preserved in the command frame is placed on the life Order performs corresponding position in queue.

Wherein, command id can be also carried in the command frame received, in TAG fields of the command id in command frame Preserve.For example:TAG:A, it is A to represent the command id, and the command id is used for the identification of object machine and starter to order, opens Dynamic device can set a command id to be stored in command frame when initiating order to order, and object machine is receiving command frame simultaneously Perform after order, when the order being returned into the starter for sending the command frame by response frame, can be carried in response frame should Command id, is finished with informing that the starter order is performed.

Wherein, the order of high priority can be performed preferentially, and the order can be placed on all high in order execution queue The tail of the queue of priority command, the by that analogy order of other priority performs the position being placed in queue in order.

Now, the order that object machine then can perform each command aligning in queue according to the order performs order.

202:When order is finished, the starter that the corresponding command id of order is stored in into transmission order is corresponding In command id set.

Wherein, after order is finished in embodiments of the present invention, response frame is not sent at once to starter, but first The corresponding command id of the order is stored in object machine.Object machine can safeguard the corresponding command id collection of each starter Close, by the way that the corresponding command id of the order performed is stored in command id set, by a number of command id Aggregating storing is carried out, the command id of aggregating storing can be then packaged in a sound when command id set meets preparatory condition Answer and starter is returned in frame.

It is preferred that, in embodiments of the present invention, in order to which the command id of high priority preferentially returns to starter, object machine It can be stored to carry out further classification according to the priority of order in the corresponding command id set of each starter, height is preferential The order correspondence of level is stored in the command id set of high priority, and the order correspondence of low priority is stored in the life of low priority Logo collection is made, the priority correspondence of other kinds of order by that analogy is stored in the other command id set of equal priority In.

Therefore, the corresponding order of starter for ordering corresponding command id to be stored in transmission order is marked in step 202 Know set in process can be specially:

2021:In the command frame for carrying order, obtain respectively send the starter corresponding starter mark of order with Order corresponding command id;

2022:The corresponding command id set of starter is belonged to according to starter identifier lookup;

2023:Command id is stored in and belongs to starter, and priority and the priority identical order mark of order Know in set.

Further, the command id stored in each command id set can be defined as an order and complete mark Note.

For example:The corresponding command id collection of starter A is combined into:

The command id set of high priority:X, wherein storing by command id O, P;

The command id set of normal priority:Y, wherein storing by command id C, D;

The command id set of low priority:Z, wherein storing by command id H, I;

Now, the command frame of starter A transmissions is received, carrying command id is M, and it is high to order corresponding priority Order.The order is being put into the corresponding order execution queues of starter A by object machine, and has been performed after the order, is passed through and is sent The starter mark of the order:A finds each corresponding command id set of the starter.It is further according to this that order is corresponding Priority, command id M is stored in high prior set X, coexists in now X set and contains command id:M, O, P。

203:When the corresponding command id set of starter meets preparatory condition, according to the order mark for meeting preparatory condition Know the command id generation response frame in set, and response frame is returned into starter.

Wherein, preparatory condition can be divided into two kinds:

The first:According to present in the command id set quantity of command id judges whether to meet preparatory condition.

Therefore, in embodiments of the present invention, the mode for meeting the preparatory condition is:

When the command id in the corresponding command id set of starter is more than predetermined number threshold value, it is determined that starter Corresponding command id set meets preparatory condition.

Second:Judge whether to meet preparatory condition according to the time of command id is stored in command id set.

Therefore, in embodiments of the present invention, the mode for meeting the preparatory condition is:

When the time of the corresponding command id set storage command id of starter reaching preset time, it is determined that start The corresponding command id set of device meets preparatory condition.

Wherein, it is that command id is stored in Sense data in response frame for the process of generation response frame In descriptor fields.Starter can be extracted according to the response frame received from Sense data descriptor fields Comprising all command ids, so as to not go out these and extract the corresponding order of moral command ids and be performed to finish.

It is preferred that, when also there is the command id set for storage of further classifying according to priority in step 202., in step Determining that command id set meets the process of preparatory condition in rapid 203 can be respectively in each corresponding command id set of starter It is middle to be judged, when there is the command id set for meeting preparatory condition, this is met to the command id set of preparatory condition In command id be stored in a response frame and return to starter, and belong to other command ids of same starter Set needs the flow that could carry out generating response frame and returning when meeting preparatory condition.

When the command id set of this storage of further being classified by priority, if same in the presence of belonging to Then it is each command id collection first when two or more command id set of starter all meet preparatory condition Symphysis is into each self-corresponding response frame, further according to the order of the corresponding priority of command id set, difference from high to low Send each corresponding response frame of command id set.

Therefore response frame is generated according to the command id met in the command id set of preparatory condition in step 203, And the process that response frame is returned into starter can be specially:

2031:When existing in the command id set for belonging to starter in two or more command id set When command id meets preparatory condition, then distinguished according to the command id met in each command id set of preparatory condition Generate each corresponding response frame of command id set;

2032:According to each corresponding priority of command id set from high to low order, each is ordered respectively The corresponding response frame of logo collection is made to return to starter.

In addition, command id to be stored in the corresponding command id set of starter for sending the order in step 202. Afterwards, it is also possible to deletion action order of the starter for the order can be received, for deleting the command id, so that target The command id is not returned to starter by device.Therefore, after step 202 in embodiments of the present invention is performed, receiving Below scheme can be carried out during the deletion action order that starter is sent:

204:When receiving the deletion action order of starter transmission, looked into the corresponding command id set of starter The command id carried in deletion action order is looked for, and by the command id found in the corresponding command id set of starter It is middle to delete.

The embodiment of the present invention is by the way that the corresponding command id of the order performed is entered according to the starter for sending the order Row classification storage, and the corresponding command id of the starter for the condition that meets packs to return to together when meeting preparatory condition opened Dynamic device.The link overhead between starter and object machine is reduced, link transmission efficiency is improved.

Embodiment three

The embodiments of the invention provide a kind of device for sending response frame, referring to Fig. 3, the device includes:

Performing module 301, for performing order according to the priority of the order received;

Memory module 302, order is sent for corresponding command id when order is finished, will to be ordered to be stored in In the corresponding command id set of starter;

Module 303 is returned, it is default according to meeting for when the corresponding command id set of starter meets preparatory condition Command id generation response frame in the command id set of condition, and response frame is returned into starter.

Wherein, memory module 302, including:

Acquiring unit, the corresponding startup of starter of order is sent in the command frame of carrying order, obtaining respectively Device is identified and the corresponding command id of order;

Searching unit, for belonging to the corresponding command id set of starter according to starter identifier lookup;

Memory cell, belongs to starter for command id to be stored in, and priority is identical with the priority ordered Command id set in.

Wherein, module 303 is returned, including:

, there are two or more command ids in the command id set that starter is belonged to for working as in generation unit When command id in set meets preparatory condition, then according to the order met in each command id set of preparatory condition Mark generates each corresponding response frame of command id set respectively;

Returning unit, for, from high to low order, respectively will according to each corresponding priority of command id set Each corresponding response frame of command id set returns to starter.

Wherein, device also includes:

First determining module 304, for being more than present count when the command id in the corresponding command id set of starter When measuring threshold value, it is determined that the corresponding command id set of starter meets preparatory condition;

Second determining module 305, for being reached when the time of the corresponding command id set storage command id of starter During preset time, it is determined that the corresponding command id set of starter meets preparatory condition.

Wherein, device also includes:

Removing module 306, for when receiving the deletion action order of starter transmission, in the corresponding order of starter The command id carried in deletion action order is searched in logo collection, and the command id found is corresponding in starter Deleted in command id set.

The embodiment of the present invention is by the way that the corresponding command id of the order performed is entered according to the starter for sending the order Row classification storage, and the corresponding command id of the starter for the condition that meets packs to return to together when meeting preparatory condition opened Dynamic device.The link overhead between starter and object machine is reduced, link transmission efficiency is improved.

Example IV

The embodiments of the invention provide a kind of terminal.Referring to Fig. 4, wherein, the terminal includes:Memory 401 and at least one Individual processor 402, processor 402 is configured as performing following operation:

Order is performed according to the priority of the order received;

When order is finished, by the corresponding order of starter for ordering corresponding command id to be stored in transmission order In logo collection;

When the corresponding command id set of starter meets preparatory condition, according to the command id collection for meeting preparatory condition Command id generation response frame in conjunction, and response frame is returned into starter.

Wherein, corresponding command id will be ordered to be stored in the corresponding set of starter for sending order, including:

In the command frame for carrying order, the corresponding starter mark of starter for sending order and order pair are obtained respectively The command id answered;

The corresponding command id set of starter is belonged to according to starter identifier lookup;

Command id is stored in and belongs to starter, and priority and the priority identical command id set of order In.

Wherein, response frame is generated according to the command id that meets in the command id set of preparatory condition, and by response frame Starter is returned to, including:

When there is the order in two or more command id set in the command id set for belonging to starter When mark meets preparatory condition, then generated respectively according to the command id met in each command id set of preparatory condition Each corresponding response frame of command id set;

According to each corresponding priority of command id set from high to low order, respectively by each command id Gather corresponding response frame and return to starter.

Wherein, corresponding command id will be ordered to be stored in it in the corresponding command id set of starter for sending order Afterwards, method also includes:

When the command id in the corresponding command id set of starter is more than predetermined number threshold value, it is determined that starter Corresponding command id set meets preparatory condition;Or,

When the time of the corresponding command id set storage command id of starter reaching preset time, it is determined that start The corresponding command id set of device meets preparatory condition.

Wherein, corresponding command id will be ordered to be stored in it in the corresponding command id set of starter for sending order Afterwards, method also includes:

When receiving the deletion action order of starter transmission, search and delete in the corresponding command id set of starter The command id carried in division operation order, and the command id found is deleted in the corresponding command id set of starter Remove.

The embodiment of the present invention is by the way that the corresponding command id of the order performed is entered according to the starter for sending the order Row classification storage, and the corresponding command id of the starter for the condition that meets packs to return to together when meeting preparatory condition opened Dynamic device.The link overhead between starter and object machine is reduced, link transmission efficiency is improved.

The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.

One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (8)

1. a kind of method for sending response frame, it is characterised in that methods described includes:
The order is performed according to the priority of the order received;
When the order is finished, the corresponding command id of the order is stored in the starter pair for sending the order In the command id set answered;
When the corresponding command id set of the starter meets preparatory condition, according to the order mark for meeting preparatory condition Know the command id generation response frame in set, and the response frame is returned into the starter;
Wherein, it is described that the corresponding command id of the order is stored in the corresponding command id of starter for sending the order After in set, methods described also includes:Preset when the command id in the corresponding command id set of the starter is more than During amount threshold, it is determined that the corresponding command id set of the starter meets preparatory condition;Or, when the starter pair When the time for the command id set storage command id answered reaches preset time, it is determined that the starter is corresponding to order mark Know set and meet preparatory condition.
2. according to the method described in claim 1, it is characterised in that described that the corresponding command id of the order is stored in hair Send in the corresponding set of starter of the order, including:
In the command frame for carrying the order, the corresponding starter mark of starter for sending the order and institute are obtained respectively State the corresponding command id of order;
The corresponding command id set of the starter is belonged to according to the starter identifier lookup;
The command id is stored in and belongs to the starter, and priority and the priority identical order of the order In logo collection.
3. method according to claim 2, it is characterised in that described according to the command id collection for meeting preparatory condition Command id generation response frame in conjunction, and the response frame is returned into the starter, including:
When there is the order in two or more command id set in the command id set for belonging to the starter When mark meets preparatory condition, then generated respectively according to the command id met in each command id set of preparatory condition Each described corresponding response frame of command id set;
, respectively will each described order according to each described corresponding priority of command id set from high to low order The corresponding response frame of logo collection returns to the starter.
4. according to the method described in claim 1, it is characterised in that described that the corresponding command id of the order is stored in hair After sending in the corresponding command id set of starter of the order, methods described also includes:
When receiving the deletion action order that the starter is sent, looked into the corresponding command id set of the starter The command id carried in the deletion action order is looked for, and the command id found is corresponding in the starter Deleted in command id set.
5. a kind of device for sending response frame, it is characterised in that described device includes:
Performing module, the order is performed for the priority according to the order received;
Memory module, for when the order is finished, the corresponding command id of the order being stored in into transmission described In the corresponding command id set of starter of order;
Module is returned to, for when the corresponding command id set of the starter meets preparatory condition, meeting pre- according to described If the command id generation response frame in the command id set of condition, and the response frame is returned into the starter;
Wherein, described device also includes:First determining module, for when the life in the corresponding command id set of the starter When order mark is more than predetermined number threshold value, it is determined that the corresponding command id set of the starter meets preparatory condition;Second Determining module, when reaching preset time for storing the time of command id when the corresponding command id set of the starter, Then determine that the corresponding command id set of the starter meets preparatory condition.
6. device according to claim 5, it is characterised in that the memory module, including:
Acquiring unit, the starter that the order is sent in the command frame for carrying the order, obtaining respectively is corresponding Starter is identified and the corresponding command id of the order;
Searching unit, for belonging to the corresponding command id set of the starter according to the starter identifier lookup;
Memory cell, belongs to the starter for the command id to be stored in, and priority and the order is excellent In first level identical command id set.
7. device according to claim 6, it is characterised in that the return module, including:
, there are two or more command ids in the command id set that the starter is belonged to for working as in generation unit When command id in set meets preparatory condition, then according to the order met in each command id set of preparatory condition Mark generates each described corresponding response frame of command id set respectively;
Returning unit, for, from high to low order, respectively will according to each described corresponding priority of command id set Each described corresponding response frame of command id set returns to the starter.
8. device according to claim 5, it is characterised in that described device also includes:
Removing module, for when receiving the deletion action order that the starter is sent, in the corresponding life of the starter The command id searched and carried in the deletion action order in logo collection is made, and by the command id found in institute State in the corresponding command id set of starter and delete.
CN201310553730.XA 2013-11-07 2013-11-07 A kind of method and device for sending response frame CN103618586B (en)

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