Message ID | 20081124234627.24425.44782.stgit@gitlost.lost |
---|---|
State | Superseded, archived |
Delegated to: | David Miller |
Headers | show |
Jeff Kirsher wrote: > Since the netlink option for DCB is necessary to actually be useful, > simplified the Kconfig option. In addition, added useful help text for the > Kconfig option. > > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> > --- > > drivers/net/Kconfig | 4 ++-- > drivers/net/ixgbe/Makefile | 2 +- > drivers/net/ixgbe/ixgbe.h | 2 +- > drivers/net/ixgbe/ixgbe_main.c | 10 +++++----- > include/linux/netdevice.h | 4 ++-- > net/Makefile | 4 ++-- > net/dcb/Kconfig | 24 +++++++++++++++++------- > net/dcb/dcbnl.c | 2 +- > 8 files changed, 31 insertions(+), 21 deletions(-) > diff --git a/net/Makefile b/net/Makefile > index e5af3dc..4ccc0c7 100644 > --- a/net/Makefile > +++ b/net/Makefile > @@ -56,8 +56,8 @@ obj-$(CONFIG_NETLABEL) += netlabel/ > obj-$(CONFIG_IUCV) += iucv/ > obj-$(CONFIG_RFKILL) += rfkill/ > obj-$(CONFIG_NET_9P) += 9p/ > -ifeq ($(CONFIG_DCBNL),y) > -obj-$(CONFIG_DCB) += dcb/ > +ifeq ($(CONFIG_DCB),) ifeq {empty/nothing} ? or ifeq y ? > +obj-y += dcb/ > endif > > ifeq ($(CONFIG_NET),y) > diff --git a/net/dcb/Kconfig b/net/dcb/Kconfig > index bdf3880..a250498 100644 > --- a/net/dcb/Kconfig > +++ b/net/dcb/Kconfig > @@ -1,12 +1,22 @@ > config DCB > - tristate "Data Center Bridging support" > - > -config DCBNL > - bool "Data Center Bridging netlink interface support" > - depends on DCB > + bool "Data Center Bridging support" Accidental conversion of tab to spaces. > default n > ---help--- > - This option turns on the netlink interface > - (dcbnl) for Data Center Bridging capable devices. > + This enables support for configuring Data Center Bridging (DCB) > + features on DCB capable Ethernet adapters via rtnetlink. Say 'Y' > + if you have a DCB capable Ethernet adapter which supports this > + interface and you are connected to a DCB capable switch. > + > + DCB is a collection of Ethernet enhancements which allow DCB capable > + NICs and switches to support network traffic with differing > + requirements (highly reliable, no drops vs. best effort vs. low > + latency) to co-exist on Ethernet. > + > + DCB features include: > + Enhanced Transmission Selection (aka Priority Grouping) - provides a > + framework for assigning bandwidth guarantees to traffic classes. > + Priority-based Flow Control (PFC) - a MAC control pause frame which > + works at the granularity of the 802.1p priority instead of the > + link (802.3x). > > If unsure, say N.
On Mon, Nov 24, 2008 at 5:07 PM, Randy Dunlap <randy.dunlap@oracle.com> wrote: > Jeff Kirsher wrote: >> Since the netlink option for DCB is necessary to actually be useful, >> simplified the Kconfig option. In addition, added useful help text for the >> Kconfig option. >> >> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> >> --- >> >> drivers/net/Kconfig | 4 ++-- >> drivers/net/ixgbe/Makefile | 2 +- >> drivers/net/ixgbe/ixgbe.h | 2 +- >> drivers/net/ixgbe/ixgbe_main.c | 10 +++++----- >> include/linux/netdevice.h | 4 ++-- >> net/Makefile | 4 ++-- >> net/dcb/Kconfig | 24 +++++++++++++++++------- >> net/dcb/dcbnl.c | 2 +- >> 8 files changed, 31 insertions(+), 21 deletions(-) > >> diff --git a/net/Makefile b/net/Makefile >> index e5af3dc..4ccc0c7 100644 >> --- a/net/Makefile >> +++ b/net/Makefile >> @@ -56,8 +56,8 @@ obj-$(CONFIG_NETLABEL) += netlabel/ >> obj-$(CONFIG_IUCV) += iucv/ >> obj-$(CONFIG_RFKILL) += rfkill/ >> obj-$(CONFIG_NET_9P) += 9p/ >> -ifeq ($(CONFIG_DCBNL),y) >> -obj-$(CONFIG_DCB) += dcb/ >> +ifeq ($(CONFIG_DCB),) > > ifeq {empty/nothing} ? or ifeq y ? Good catch, interesting that I did not catch that during compile testing. >> +obj-y += dcb/ >> endif >> >> ifeq ($(CONFIG_NET),y) >> diff --git a/net/dcb/Kconfig b/net/dcb/Kconfig >> index bdf3880..a250498 100644 >> --- a/net/dcb/Kconfig >> +++ b/net/dcb/Kconfig >> @@ -1,12 +1,22 @@ >> config DCB >> - tristate "Data Center Bridging support" >> - >> -config DCBNL >> - bool "Data Center Bridging netlink interface support" >> - depends on DCB >> + bool "Data Center Bridging support" > > Accidental conversion of tab to spaces. Thanks, again. >> default n >> ---help--- >> - This option turns on the netlink interface >> - (dcbnl) for Data Center Bridging capable devices. >> + This enables support for configuring Data Center Bridging (DCB) >> + features on DCB capable Ethernet adapters via rtnetlink. Say 'Y' >> + if you have a DCB capable Ethernet adapter which supports this >> + interface and you are connected to a DCB capable switch. >> + >> + DCB is a collection of Ethernet enhancements which allow DCB capable >> + NICs and switches to support network traffic with differing >> + requirements (highly reliable, no drops vs. best effort vs. low >> + latency) to co-exist on Ethernet. >> + >> + DCB features include: >> + Enhanced Transmission Selection (aka Priority Grouping) - provides a >> + framework for assigning bandwidth guarantees to traffic classes. >> + Priority-based Flow Control (PFC) - a MAC control pause frame which >> + works at the granularity of the 802.1p priority instead of the >> + link (802.3x). >> >> If unsure, say N. > > > -- > ~Randy > -- Fixed and sending an updated patch.
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index efd461d..75f9f7f 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2451,10 +2451,10 @@ config IXGBE_DCA driver. DCA is a method for warming the CPU cache before data is used, with the intent of lessening the impact of cache misses. -config IXGBE_DCBNL +config IXGBE_DCB bool "Data Center Bridging (DCB) Support" default n - depends on IXGBE && DCBNL + depends on IXGBE && DCB ---help--- Say Y here if you want to use Data Center Bridging (DCB) in the driver. diff --git a/drivers/net/ixgbe/Makefile b/drivers/net/ixgbe/Makefile index 3228e50..6e7ef76 100644 --- a/drivers/net/ixgbe/Makefile +++ b/drivers/net/ixgbe/Makefile @@ -35,4 +35,4 @@ obj-$(CONFIG_IXGBE) += ixgbe.o ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \ ixgbe_82598.o ixgbe_phy.o -ixgbe-$(CONFIG_IXGBE_DCBNL) += ixgbe_dcb.o ixgbe_dcb_82598.o ixgbe_dcb_nl.o +ixgbe-$(CONFIG_IXGBE_DCB) += ixgbe_dcb.o ixgbe_dcb_82598.o ixgbe_dcb_nl.o diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 9509aee..6cbf26e 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -327,7 +327,7 @@ enum ixgbe_boards { }; extern struct ixgbe_info ixgbe_82598_info; -#ifdef CONFIG_IXGBE_DCBNL +#ifdef CONFIG_IXGBE_DCB extern struct dcbnl_rtnl_ops dcbnl_ops; extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, struct ixgbe_dcb_config *dst_dcb_cfg, diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 6620397..667a646 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1914,7 +1914,7 @@ static void ixgbe_napi_disable_all(struct ixgbe_adapter *adapter) } } -#ifdef CONFIG_IXGBE_DCBNL +#ifdef CONFIG_IXGBE_DCB /* * ixgbe_configure_dcb - Configure DCB hardware * @adapter: ixgbe adapter struct @@ -1960,7 +1960,7 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter) ixgbe_set_rx_mode(netdev); ixgbe_restore_vlan(adapter); -#ifdef CONFIG_IXGBE_DCBNL +#ifdef CONFIG_IXGBE_DCB if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { netif_set_gso_max_size(netdev, 32768); ixgbe_configure_dcb(adapter); @@ -2749,7 +2749,7 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; unsigned int rss; -#ifdef CONFIG_IXGBE_DCBNL +#ifdef CONFIG_IXGBE_DCB int j; struct tc_configuration *tc; #endif @@ -2768,7 +2768,7 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->flags |= IXGBE_FLAG_RSS_ENABLED; adapter->ring_feature[RING_F_DCB].indices = IXGBE_MAX_DCB_INDICES; -#ifdef CONFIG_IXGBE_DCBNL +#ifdef CONFIG_IXGBE_DCB /* Configure DCB traffic classes */ for (j = 0; j < MAX_TRAFFIC_CLASS; j++) { tc = &adapter->dcb_cfg.tc_config[j]; @@ -4120,7 +4120,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; -#ifdef CONFIG_IXGBE_DCBNL +#ifdef CONFIG_IXGBE_DCB netdev->dcbnl_ops = &dcbnl_ops; #endif diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 6095af5..65cfb01 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -43,7 +43,7 @@ #include <net/net_namespace.h> #include <net/dsa.h> -#ifdef CONFIG_DCBNL +#ifdef CONFIG_DCB #include <net/dcbnl.h> #endif @@ -846,7 +846,7 @@ struct net_device #define GSO_MAX_SIZE 65536 unsigned int gso_max_size; -#ifdef CONFIG_DCBNL +#ifdef CONFIG_DCB /* Data Center Bridging netlink ops */ struct dcbnl_rtnl_ops *dcbnl_ops; #endif diff --git a/net/Makefile b/net/Makefile index e5af3dc..4ccc0c7 100644 --- a/net/Makefile +++ b/net/Makefile @@ -56,8 +56,8 @@ obj-$(CONFIG_NETLABEL) += netlabel/ obj-$(CONFIG_IUCV) += iucv/ obj-$(CONFIG_RFKILL) += rfkill/ obj-$(CONFIG_NET_9P) += 9p/ -ifeq ($(CONFIG_DCBNL),y) -obj-$(CONFIG_DCB) += dcb/ +ifeq ($(CONFIG_DCB),) +obj-y += dcb/ endif ifeq ($(CONFIG_NET),y) diff --git a/net/dcb/Kconfig b/net/dcb/Kconfig index bdf3880..a250498 100644 --- a/net/dcb/Kconfig +++ b/net/dcb/Kconfig @@ -1,12 +1,22 @@ config DCB - tristate "Data Center Bridging support" - -config DCBNL - bool "Data Center Bridging netlink interface support" - depends on DCB + bool "Data Center Bridging support" default n ---help--- - This option turns on the netlink interface - (dcbnl) for Data Center Bridging capable devices. + This enables support for configuring Data Center Bridging (DCB) + features on DCB capable Ethernet adapters via rtnetlink. Say 'Y' + if you have a DCB capable Ethernet adapter which supports this + interface and you are connected to a DCB capable switch. + + DCB is a collection of Ethernet enhancements which allow DCB capable + NICs and switches to support network traffic with differing + requirements (highly reliable, no drops vs. best effort vs. low + latency) to co-exist on Ethernet. + + DCB features include: + Enhanced Transmission Selection (aka Priority Grouping) - provides a + framework for assigning bandwidth guarantees to traffic classes. + Priority-based Flow Control (PFC) - a MAC control pause frame which + works at the granularity of the 802.1p priority instead of the + link (802.3x). If unsure, say N. diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index b2bda3f..79a351d 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -48,7 +48,7 @@ */ MODULE_AUTHOR("Lucy Liu, <lucy.liu@intel.com>"); -MODULE_DESCRIPTION("Data Center Bridging generic netlink interface"); +MODULE_DESCRIPTION("Data Center Bridging netlink interface"); MODULE_LICENSE("GPL"); /**************** DCB attribute policies *************************************/
Since the netlink option for DCB is necessary to actually be useful, simplified the Kconfig option. In addition, added useful help text for the Kconfig option. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> --- drivers/net/Kconfig | 4 ++-- drivers/net/ixgbe/Makefile | 2 +- drivers/net/ixgbe/ixgbe.h | 2 +- drivers/net/ixgbe/ixgbe_main.c | 10 +++++----- include/linux/netdevice.h | 4 ++-- net/Makefile | 4 ++-- net/dcb/Kconfig | 24 +++++++++++++++++------- net/dcb/dcbnl.c | 2 +- 8 files changed, 31 insertions(+), 21 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html