| Message ID | 1494553288-30764-7-git-send-email-zhangchen.fnst@cn.fujitsu.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 2017年05月12日 09:41, Zhang Chen wrote: > We add the vnet_hdr option for colo-compare, default is disable. > If you use virtio-net-pci net driver, please enable it. > You can use it for example: > -object colo-compare,id=comp0,primary_in=compare0-0,secondary_in=compare1,outdev=compare_out0,vnet_hdr=on > > Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> > --- > net/colo-compare.c | 34 +++++++++++++++++++++++++++++++++- > qemu-options.hx | 3 ++- > 2 files changed, 35 insertions(+), 2 deletions(-) > > diff --git a/net/colo-compare.c b/net/colo-compare.c > index 332f57e..99a6912 100644 > --- a/net/colo-compare.c > +++ b/net/colo-compare.c > @@ -73,6 +73,7 @@ typedef struct CompareState { > CharBackend chr_out; > SocketReadState pri_rs; > SocketReadState sec_rs; > + bool vnet_hdr; > > /* connection list: the connections belonged to this NIC could be found > * in this list. > @@ -642,6 +643,28 @@ static void compare_set_outdev(Object *obj, const char *value, Error **errp) > s->outdev = g_strdup(value); > } > > +static char *compare_get_vnet_hdr(Object *obj, Error **errp) > +{ > + CompareState *s = COLO_COMPARE(obj); > + > + return s->vnet_hdr ? g_strdup("on") : g_strdup("off"); > +} > + > +static void compare_set_vnet_hdr(Object *obj, > + const char *value, > + Error **errp) > +{ > + CompareState *s = COLO_COMPARE(obj); > + > + if (strcmp(value, "on") && strcmp(value, "off")) { > + error_setg(errp, "Invalid value for colo-compare vnet_hdr, " > + "should be 'on' or 'off'"); > + return; > + } > + > + s->vnet_hdr = !strcmp(value, "on"); > +} > + > static void compare_pri_rs_finalize(SocketReadState *pri_rs) > { > CompareState *s = container_of(pri_rs, CompareState, pri_rs); > @@ -667,7 +690,6 @@ static void compare_sec_rs_finalize(SocketReadState *sec_rs) > } > } > > - Unnecessary whitespace change. > /* > * Return 0 is success. > * Return 1 is failed. > @@ -775,6 +797,8 @@ static void colo_compare_class_init(ObjectClass *oc, void *data) > > static void colo_compare_init(Object *obj) > { > + CompareState *s = COLO_COMPARE(obj); > + > object_property_add_str(obj, "primary_in", > compare_get_pri_indev, compare_set_pri_indev, > NULL); > @@ -784,6 +808,14 @@ static void colo_compare_init(Object *obj) > object_property_add_str(obj, "outdev", > compare_get_outdev, compare_set_outdev, > NULL); > + /* > + * The vnet_hdr is disabled by default, if you want to enable > + * this option, you must enable all the option on related modules > + * (like other filter or colo-compare). > + */ > + s->vnet_hdr = false; > + object_property_add_str(obj, "vnet_hdr", compare_get_vnet_hdr, > + compare_set_vnet_hdr, NULL); > } > > static void colo_compare_finalize(Object *obj) > diff --git a/qemu-options.hx b/qemu-options.hx > index 0f81c22..115b83f 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -4061,12 +4061,13 @@ The file format is libpcap, so it can be analyzed with tools such as tcpdump > or Wireshark. > > @item -object colo-compare,id=@var{id},primary_in=@var{chardevid},secondary_in=@var{chardevid}, > -outdev=@var{chardevid} > +outdev=@var{chardevid},vnet_hdr=@var{on|off} > > Colo-compare gets packet from primary_in@var{chardevid} and secondary_in@var{chardevid}, than compare primary packet with > secondary packet. If the packets are same, we will output primary > packet to outdev@var{chardevid}, else we will notify colo-frame > do checkpoint and send primary packet to outdev@var{chardevid}. > +if vnet_hdr = on, colo compare will send/recv packet with vnet_hdr_len. > > we must use it with the help of filter-mirror and filter-redirector. > Please squash this into its function implementation. Thanks
On 05/15/2017 12:03 PM, Jason Wang wrote: > > > On 2017年05月12日 09:41, Zhang Chen wrote: >> We add the vnet_hdr option for colo-compare, default is disable. >> If you use virtio-net-pci net driver, please enable it. >> You can use it for example: >> -object >> colo-compare,id=comp0,primary_in=compare0-0,secondary_in=compare1,outdev=compare_out0,vnet_hdr=on >> >> Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> >> --- >> net/colo-compare.c | 34 +++++++++++++++++++++++++++++++++- >> qemu-options.hx | 3 ++- >> 2 files changed, 35 insertions(+), 2 deletions(-) >> >> diff --git a/net/colo-compare.c b/net/colo-compare.c >> index 332f57e..99a6912 100644 >> --- a/net/colo-compare.c >> +++ b/net/colo-compare.c >> @@ -73,6 +73,7 @@ typedef struct CompareState { >> CharBackend chr_out; >> SocketReadState pri_rs; >> SocketReadState sec_rs; >> + bool vnet_hdr; >> /* connection list: the connections belonged to this NIC >> could be found >> * in this list. >> @@ -642,6 +643,28 @@ static void compare_set_outdev(Object *obj, >> const char *value, Error **errp) >> s->outdev = g_strdup(value); >> } >> +static char *compare_get_vnet_hdr(Object *obj, Error **errp) >> +{ >> + CompareState *s = COLO_COMPARE(obj); >> + >> + return s->vnet_hdr ? g_strdup("on") : g_strdup("off"); >> +} >> + >> +static void compare_set_vnet_hdr(Object *obj, >> + const char *value, >> + Error **errp) >> +{ >> + CompareState *s = COLO_COMPARE(obj); >> + >> + if (strcmp(value, "on") && strcmp(value, "off")) { >> + error_setg(errp, "Invalid value for colo-compare vnet_hdr, " >> + "should be 'on' or 'off'"); >> + return; >> + } >> + >> + s->vnet_hdr = !strcmp(value, "on"); >> +} >> + >> static void compare_pri_rs_finalize(SocketReadState *pri_rs) >> { >> CompareState *s = container_of(pri_rs, CompareState, pri_rs); >> @@ -667,7 +690,6 @@ static void >> compare_sec_rs_finalize(SocketReadState *sec_rs) >> } >> } >> - > > Unnecessary whitespace change. I will remove it in next version. > >> /* >> * Return 0 is success. >> * Return 1 is failed. >> @@ -775,6 +797,8 @@ static void colo_compare_class_init(ObjectClass >> *oc, void *data) >> static void colo_compare_init(Object *obj) >> { >> + CompareState *s = COLO_COMPARE(obj); >> + >> object_property_add_str(obj, "primary_in", >> compare_get_pri_indev, >> compare_set_pri_indev, >> NULL); >> @@ -784,6 +808,14 @@ static void colo_compare_init(Object *obj) >> object_property_add_str(obj, "outdev", >> compare_get_outdev, compare_set_outdev, >> NULL); >> + /* >> + * The vnet_hdr is disabled by default, if you want to enable >> + * this option, you must enable all the option on related modules >> + * (like other filter or colo-compare). >> + */ >> + s->vnet_hdr = false; >> + object_property_add_str(obj, "vnet_hdr", compare_get_vnet_hdr, >> + compare_set_vnet_hdr, NULL); >> } >> static void colo_compare_finalize(Object *obj) >> diff --git a/qemu-options.hx b/qemu-options.hx >> index 0f81c22..115b83f 100644 >> --- a/qemu-options.hx >> +++ b/qemu-options.hx >> @@ -4061,12 +4061,13 @@ The file format is libpcap, so it can be >> analyzed with tools such as tcpdump >> or Wireshark. >> @item -object >> colo-compare,id=@var{id},primary_in=@var{chardevid},secondary_in=@var{chardevid}, >> -outdev=@var{chardevid} >> +outdev=@var{chardevid},vnet_hdr=@var{on|off} >> Colo-compare gets packet from primary_in@var{chardevid} and >> secondary_in@var{chardevid}, than compare primary packet with >> secondary packet. If the packets are same, we will output primary >> packet to outdev@var{chardevid}, else we will notify colo-frame >> do checkpoint and send primary packet to outdev@var{chardevid}. >> +if vnet_hdr = on, colo compare will send/recv packet with vnet_hdr_len. >> we must use it with the help of filter-mirror and filter-redirector. > > Please squash this into its function implementation. OK. Thanks Zhang Chen > > Thanks > > > . >
diff --git a/net/colo-compare.c b/net/colo-compare.c index 332f57e..99a6912 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -73,6 +73,7 @@ typedef struct CompareState { CharBackend chr_out; SocketReadState pri_rs; SocketReadState sec_rs; + bool vnet_hdr; /* connection list: the connections belonged to this NIC could be found * in this list. @@ -642,6 +643,28 @@ static void compare_set_outdev(Object *obj, const char *value, Error **errp) s->outdev = g_strdup(value); } +static char *compare_get_vnet_hdr(Object *obj, Error **errp) +{ + CompareState *s = COLO_COMPARE(obj); + + return s->vnet_hdr ? g_strdup("on") : g_strdup("off"); +} + +static void compare_set_vnet_hdr(Object *obj, + const char *value, + Error **errp) +{ + CompareState *s = COLO_COMPARE(obj); + + if (strcmp(value, "on") && strcmp(value, "off")) { + error_setg(errp, "Invalid value for colo-compare vnet_hdr, " + "should be 'on' or 'off'"); + return; + } + + s->vnet_hdr = !strcmp(value, "on"); +} + static void compare_pri_rs_finalize(SocketReadState *pri_rs) { CompareState *s = container_of(pri_rs, CompareState, pri_rs); @@ -667,7 +690,6 @@ static void compare_sec_rs_finalize(SocketReadState *sec_rs) } } - /* * Return 0 is success. * Return 1 is failed. @@ -775,6 +797,8 @@ static void colo_compare_class_init(ObjectClass *oc, void *data) static void colo_compare_init(Object *obj) { + CompareState *s = COLO_COMPARE(obj); + object_property_add_str(obj, "primary_in", compare_get_pri_indev, compare_set_pri_indev, NULL); @@ -784,6 +808,14 @@ static void colo_compare_init(Object *obj) object_property_add_str(obj, "outdev", compare_get_outdev, compare_set_outdev, NULL); + /* + * The vnet_hdr is disabled by default, if you want to enable + * this option, you must enable all the option on related modules + * (like other filter or colo-compare). + */ + s->vnet_hdr = false; + object_property_add_str(obj, "vnet_hdr", compare_get_vnet_hdr, + compare_set_vnet_hdr, NULL); } static void colo_compare_finalize(Object *obj) diff --git a/qemu-options.hx b/qemu-options.hx index 0f81c22..115b83f 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4061,12 +4061,13 @@ The file format is libpcap, so it can be analyzed with tools such as tcpdump or Wireshark. @item -object colo-compare,id=@var{id},primary_in=@var{chardevid},secondary_in=@var{chardevid}, -outdev=@var{chardevid} +outdev=@var{chardevid},vnet_hdr=@var{on|off} Colo-compare gets packet from primary_in@var{chardevid} and secondary_in@var{chardevid}, than compare primary packet with secondary packet. If the packets are same, we will output primary packet to outdev@var{chardevid}, else we will notify colo-frame do checkpoint and send primary packet to outdev@var{chardevid}. +if vnet_hdr = on, colo compare will send/recv packet with vnet_hdr_len. we must use it with the help of filter-mirror and filter-redirector.
We add the vnet_hdr option for colo-compare, default is disable. If you use virtio-net-pci net driver, please enable it. You can use it for example: -object colo-compare,id=comp0,primary_in=compare0-0,secondary_in=compare1,outdev=compare_out0,vnet_hdr=on Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> --- net/colo-compare.c | 34 +++++++++++++++++++++++++++++++++- qemu-options.hx | 3 ++- 2 files changed, 35 insertions(+), 2 deletions(-)