Message ID | 1354506171-1646-1-git-send-email-mchan@broadcom.com |
---|---|
State | Changes Requested, archived |
Delegated to: | David Miller |
Headers | show |
Please put me on CC for any PTP related patches. I have a few comments, below. On Sun, Dec 02, 2012 at 07:42:48PM -0800, Michael Chan wrote: > From: Matt Carlson <mcarlson@broadcom.com> > > This patch adds code to register/unregister the ptp clock and write > the reference clock. If a chip reset is performed, the hwclock is > reinitialized with the adjusted kernel time > > Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> > Signed-off-by: Michael Chan <mchan@broadcom.com> > --- > drivers/net/ethernet/broadcom/Kconfig | 1 + > drivers/net/ethernet/broadcom/tg3.c | 84 +++++++++++++++++++++++++++++++-- > drivers/net/ethernet/broadcom/tg3.h | 60 ++++++++++++++++++++++- > 3 files changed, 137 insertions(+), 8 deletions(-) > > diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig > index 4bd416b..f552673 100644 > --- a/drivers/net/ethernet/broadcom/Kconfig > +++ b/drivers/net/ethernet/broadcom/Kconfig > @@ -102,6 +102,7 @@ config TIGON3 > depends on PCI > select PHYLIB > select HWMON > + select PTP_1588_CLOCK > ---help--- > This driver supports Broadcom Tigon3 based gigabit Ethernet cards. > > diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c > index 5cc976d..38047a9 100644 > --- a/drivers/net/ethernet/broadcom/tg3.c > +++ b/drivers/net/ethernet/broadcom/tg3.c > @@ -54,6 +54,9 @@ > #include <asm/byteorder.h> > #include <linux/uaccess.h> > > +#include <uapi/linux/net_tstamp.h> > +#include <linux/ptp_clock_kernel.h> > + > #ifdef CONFIG_SPARC > #include <asm/idprom.h> > #include <asm/prom.h> > @@ -5516,6 +5519,57 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset) > return err; > } > > +static void tg3_refclk_write(struct tg3 *tp, u64 newval) > +{ > + tw32(TG3_EAV_REF_CLCK_CTL, TG3_EAV_REF_CLCK_CTL_STOP); > + tw32(TG3_EAV_REF_CLCK_LSB, newval & 0xffffffff); > + tw32(TG3_EAV_REF_CLCK_MSB, newval >> 32); > + tw32_f(TG3_EAV_REF_CLCK_CTL, TG3_EAV_REF_CLCK_CTL_RESUME); > +} > + > +static const struct ptp_clock_info tg3_ptp_caps = { > + .owner = THIS_MODULE, > + .name = "", Please use a static name here, something related to the driver, like "tigon3 clock" perhaps. There used to be drivers doing other things with this, but now the kernel doc from ptp_clock_kernel.h says: @name: A short "friendly name" to identify the clock and to help distinguish PHY based devices from MAC based ones. The string is not meant to be a unique id. > + .max_adj = 0, > + .n_alarm = 0, > + .n_ext_ts = 0, > + .n_per_out = 0, > + .pps = 0, You have left the methods as a bunch of NULL pointers. This will not fly, since someone might land on this commit during a bisect. In general, every patch in a series should result in a working kernel. > +}; > + > +static void tg3_ptp_init(struct tg3 *tp) > +{ > + if (!tg3_flag(tp, PTP_CAPABLE)) > + return; > + > + /* Initialize the hardware clock to the system time. */ > + tg3_refclk_write(tp, ktime_to_ns(ktime_get_real())); > + tp->ptp_adjust = 0; > + > + tp->ptp_info = tg3_ptp_caps; > + strncpy(tp->ptp_info.name, tp->dev->name, IFNAMSIZ); > +} > + > +static void tg3_ptp_resume(struct tg3 *tp) > +{ > + if (!tg3_flag(tp, PTP_CAPABLE)) > + return; > + > + tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()) + tp->ptp_adjust); > + tp->ptp_adjust = 0; > +} > + > +static void tg3_ptp_fini(struct tg3 *tp) > +{ > + if (!tg3_flag(tp, PTP_CAPABLE) || > + !tp->ptp_clock) Overzealous line break. > + return; > + > + ptp_clock_unregister(tp->ptp_clock); > + tp->ptp_clock = NULL; > + tp->ptp_adjust = 0; > +} > + > static inline int tg3_irq_sync(struct tg3 *tp) > { > return tp->irq_sync; > @@ -6527,6 +6581,8 @@ static inline void tg3_netif_stop(struct tg3 *tp) > > static inline void tg3_netif_start(struct tg3 *tp) > { > + tg3_ptp_resume(tp); > + > /* NOTE: unconditional netif_tx_wake_all_queues is only > * appropriate so long as all callers are assured to > * have free tx slots (such as after tg3_init_hw) > @@ -10364,7 +10420,8 @@ static void tg3_ints_fini(struct tg3 *tp) > tg3_flag_clear(tp, ENABLE_TSS); > } > > -static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq) > +static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq, > + bool init) > { > struct net_device *dev = tp->dev; > int i, err; > @@ -10443,6 +10500,12 @@ static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq) > tg3_flag_set(tp, INIT_COMPLETE); > tg3_enable_ints(tp); > > + if (init) > + tg3_ptp_init(tp); > + else > + tg3_ptp_resume(tp); > + > + > tg3_full_unlock(tp); > > netif_tx_start_all_queues(dev); > @@ -10540,11 +10603,19 @@ static int tg3_open(struct net_device *dev) > > tg3_full_unlock(tp); > > - err = tg3_start(tp, true, true); > + err = tg3_start(tp, true, true, true); > if (err) { > tg3_frob_aux_power(tp, false); > pci_set_power_state(tp->pdev, PCI_D3hot); > } > + > + if (tg3_flag(tp, PTP_CAPABLE)) { > + tp->ptp_clock = ptp_clock_register(&tp->ptp_info, > + &tp->pdev->dev); > + if (IS_ERR(tp->ptp_clock)) > + tp->ptp_clock = NULL; > + } > + > return err; > } > > @@ -10552,6 +10623,8 @@ static int tg3_close(struct net_device *dev) > { > struct tg3 *tp = netdev_priv(dev); > > + tg3_ptp_fini(tp); > + > tg3_stop(tp); > > /* Clear stats across close / open calls */ > @@ -11454,7 +11527,7 @@ static int tg3_set_channels(struct net_device *dev, > > tg3_carrier_off(tp); > > - tg3_start(tp, true, false); > + tg3_start(tp, true, false, false); > > return 0; > } > @@ -12507,7 +12580,6 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, > } > > tg3_full_lock(tp, irq_sync); > - > tg3_halt(tp, RESET_KIND_SUSPEND, 1); > err = tg3_nvram_lock(tp); > tg3_halt_cpu(tp, RX_CPU_BASE); > @@ -16598,8 +16670,8 @@ static void tg3_io_resume(struct pci_dev *pdev) > tg3_full_lock(tp, 0); > tg3_flag_set(tp, INIT_COMPLETE); > err = tg3_restart_hw(tp, 1); > - tg3_full_unlock(tp); > if (err) { > + tg3_full_unlock(tp); This is hunk or the next one somehow related to the PTP code? If not, they it should go into their own patch. > netdev_err(netdev, "Cannot restart hardware after reset.\n"); > goto done; > } > @@ -16610,6 +16682,8 @@ static void tg3_io_resume(struct pci_dev *pdev) > > tg3_netif_start(tp); > > + tg3_full_unlock(tp); > + > tg3_phy_start(tp); > > done: Thanks, Richard -- 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
Hi Richard, Thanks for your comments. On 12/03/2012 10:23 AM, Richard Cochran wrote: > Please put me on CC for any PTP related patches. > I have a few comments, below. > > On Sun, Dec 02, 2012 at 07:42:48PM -0800, Michael Chan wrote: >> From: Matt Carlson <mcarlson@broadcom.com> >> >> This patch adds code to register/unregister the ptp clock and write >> the reference clock. If a chip reset is performed, the hwclock is >> reinitialized with the adjusted kernel time >> >> Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> >> Signed-off-by: Michael Chan <mchan@broadcom.com> >> --- >> drivers/net/ethernet/broadcom/Kconfig | 1 + >> drivers/net/ethernet/broadcom/tg3.c | 84 +++++++++++++++++++++++++++++++-- >> drivers/net/ethernet/broadcom/tg3.h | 60 ++++++++++++++++++++++- >> 3 files changed, 137 insertions(+), 8 deletions(-) >> >> diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig >> index 4bd416b..f552673 100644 >> --- a/drivers/net/ethernet/broadcom/Kconfig >> +++ b/drivers/net/ethernet/broadcom/Kconfig >> @@ -102,6 +102,7 @@ config TIGON3 >> depends on PCI >> select PHYLIB >> select HWMON >> + select PTP_1588_CLOCK >> ---help--- >> This driver supports Broadcom Tigon3 based gigabit Ethernet cards. >> >> diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c >> index 5cc976d..38047a9 100644 >> --- a/drivers/net/ethernet/broadcom/tg3.c >> +++ b/drivers/net/ethernet/broadcom/tg3.c >> @@ -54,6 +54,9 @@ >> #include <asm/byteorder.h> >> #include <linux/uaccess.h> >> >> +#include <uapi/linux/net_tstamp.h> >> +#include <linux/ptp_clock_kernel.h> >> + >> #ifdef CONFIG_SPARC >> #include <asm/idprom.h> >> #include <asm/prom.h> >> @@ -5516,6 +5519,57 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset) >> return err; >> } >> >> +static void tg3_refclk_write(struct tg3 *tp, u64 newval) >> +{ >> + tw32(TG3_EAV_REF_CLCK_CTL, TG3_EAV_REF_CLCK_CTL_STOP); >> + tw32(TG3_EAV_REF_CLCK_LSB, newval & 0xffffffff); >> + tw32(TG3_EAV_REF_CLCK_MSB, newval >> 32); >> + tw32_f(TG3_EAV_REF_CLCK_CTL, TG3_EAV_REF_CLCK_CTL_RESUME); >> +} >> + >> +static const struct ptp_clock_info tg3_ptp_caps = { >> + .owner = THIS_MODULE, >> + .name = "", > Please use a static name here, something related to the driver, like > "tigon3 clock" perhaps. There used to be drivers doing other things > with this, but now the kernel doc from ptp_clock_kernel.h says: > > @name: A short "friendly name" to identify the clock and to > help distinguish PHY based devices from MAC based ones. > The string is not meant to be a unique id. > >> + .max_adj = 0, >> + .n_alarm = 0, >> + .n_ext_ts = 0, >> + .n_per_out = 0, >> + .pps = 0, > You have left the methods as a bunch of NULL pointers. This will not > fly, since someone might land on this commit during a bisect. In > general, every patch in a series should result in a working kernel. > >> +}; >> + >> +static void tg3_ptp_init(struct tg3 *tp) >> +{ >> + if (!tg3_flag(tp, PTP_CAPABLE)) >> + return; >> + >> + /* Initialize the hardware clock to the system time. */ >> + tg3_refclk_write(tp, ktime_to_ns(ktime_get_real())); >> + tp->ptp_adjust = 0; >> + >> + tp->ptp_info = tg3_ptp_caps; >> + strncpy(tp->ptp_info.name, tp->dev->name, IFNAMSIZ); >> +} >> + >> +static void tg3_ptp_resume(struct tg3 *tp) >> +{ >> + if (!tg3_flag(tp, PTP_CAPABLE)) >> + return; >> + >> + tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()) + tp->ptp_adjust); >> + tp->ptp_adjust = 0; >> +} >> + >> +static void tg3_ptp_fini(struct tg3 *tp) >> +{ >> + if (!tg3_flag(tp, PTP_CAPABLE) || >> + !tp->ptp_clock) > Overzealous line break. > >> + return; >> + >> + ptp_clock_unregister(tp->ptp_clock); >> + tp->ptp_clock = NULL; >> + tp->ptp_adjust = 0; >> +} >> + >> static inline int tg3_irq_sync(struct tg3 *tp) >> { >> return tp->irq_sync; >> @@ -6527,6 +6581,8 @@ static inline void tg3_netif_stop(struct tg3 *tp) >> >> static inline void tg3_netif_start(struct tg3 *tp) >> { >> + tg3_ptp_resume(tp); >> + >> /* NOTE: unconditional netif_tx_wake_all_queues is only >> * appropriate so long as all callers are assured to >> * have free tx slots (such as after tg3_init_hw) >> @@ -10364,7 +10420,8 @@ static void tg3_ints_fini(struct tg3 *tp) >> tg3_flag_clear(tp, ENABLE_TSS); >> } >> >> -static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq) >> +static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq, >> + bool init) >> { >> struct net_device *dev = tp->dev; >> int i, err; >> @@ -10443,6 +10500,12 @@ static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq) >> tg3_flag_set(tp, INIT_COMPLETE); >> tg3_enable_ints(tp); >> >> + if (init) >> + tg3_ptp_init(tp); >> + else >> + tg3_ptp_resume(tp); >> + >> + >> tg3_full_unlock(tp); >> >> netif_tx_start_all_queues(dev); >> @@ -10540,11 +10603,19 @@ static int tg3_open(struct net_device *dev) >> >> tg3_full_unlock(tp); >> >> - err = tg3_start(tp, true, true); >> + err = tg3_start(tp, true, true, true); >> if (err) { >> tg3_frob_aux_power(tp, false); >> pci_set_power_state(tp->pdev, PCI_D3hot); >> } >> + >> + if (tg3_flag(tp, PTP_CAPABLE)) { >> + tp->ptp_clock = ptp_clock_register(&tp->ptp_info, >> + &tp->pdev->dev); >> + if (IS_ERR(tp->ptp_clock)) >> + tp->ptp_clock = NULL; >> + } >> + >> return err; >> } >> >> @@ -10552,6 +10623,8 @@ static int tg3_close(struct net_device *dev) >> { >> struct tg3 *tp = netdev_priv(dev); >> >> + tg3_ptp_fini(tp); >> + >> tg3_stop(tp); >> >> /* Clear stats across close / open calls */ >> @@ -11454,7 +11527,7 @@ static int tg3_set_channels(struct net_device *dev, >> >> tg3_carrier_off(tp); >> >> - tg3_start(tp, true, false); >> + tg3_start(tp, true, false, false); >> >> return 0; >> } >> @@ -12507,7 +12580,6 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, >> } >> >> tg3_full_lock(tp, irq_sync); >> - >> tg3_halt(tp, RESET_KIND_SUSPEND, 1); >> err = tg3_nvram_lock(tp); >> tg3_halt_cpu(tp, RX_CPU_BASE); >> @@ -16598,8 +16670,8 @@ static void tg3_io_resume(struct pci_dev *pdev) >> tg3_full_lock(tp, 0); >> tg3_flag_set(tp, INIT_COMPLETE); >> err = tg3_restart_hw(tp, 1); >> - tg3_full_unlock(tp); >> if (err) { >> + tg3_full_unlock(tp); > This is hunk or the next one somehow related to the PTP code? > If not, they it should go into their own patch. > Yes, they are related. tg3_netif_start() now calls tg3_ptp_resume() to reinitialize the hwclock after a chip reset. This should be inside a full_lock(). This hunk moves the tg3_full_unlock() below tg3_netif_start(). It also brings netif_device_attach() and tg3_timer_start() inside the lock() but this seems to be ok since other places already do that. I will fix the other comments in v2. >> netdev_err(netdev, "Cannot restart hardware after reset.\n"); >> goto done; >> } >> @@ -16610,6 +16682,8 @@ static void tg3_io_resume(struct pci_dev *pdev) >> >> tg3_netif_start(tp); >> >> + tg3_full_unlock(tp); >> + >> tg3_phy_start(tp); >> >> done: > Thanks, > Richard > -- 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
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index 4bd416b..f552673 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -102,6 +102,7 @@ config TIGON3 depends on PCI select PHYLIB select HWMON + select PTP_1588_CLOCK ---help--- This driver supports Broadcom Tigon3 based gigabit Ethernet cards. diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 5cc976d..38047a9 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -54,6 +54,9 @@ #include <asm/byteorder.h> #include <linux/uaccess.h> +#include <uapi/linux/net_tstamp.h> +#include <linux/ptp_clock_kernel.h> + #ifdef CONFIG_SPARC #include <asm/idprom.h> #include <asm/prom.h> @@ -5516,6 +5519,57 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset) return err; } +static void tg3_refclk_write(struct tg3 *tp, u64 newval) +{ + tw32(TG3_EAV_REF_CLCK_CTL, TG3_EAV_REF_CLCK_CTL_STOP); + tw32(TG3_EAV_REF_CLCK_LSB, newval & 0xffffffff); + tw32(TG3_EAV_REF_CLCK_MSB, newval >> 32); + tw32_f(TG3_EAV_REF_CLCK_CTL, TG3_EAV_REF_CLCK_CTL_RESUME); +} + +static const struct ptp_clock_info tg3_ptp_caps = { + .owner = THIS_MODULE, + .name = "", + .max_adj = 0, + .n_alarm = 0, + .n_ext_ts = 0, + .n_per_out = 0, + .pps = 0, +}; + +static void tg3_ptp_init(struct tg3 *tp) +{ + if (!tg3_flag(tp, PTP_CAPABLE)) + return; + + /* Initialize the hardware clock to the system time. */ + tg3_refclk_write(tp, ktime_to_ns(ktime_get_real())); + tp->ptp_adjust = 0; + + tp->ptp_info = tg3_ptp_caps; + strncpy(tp->ptp_info.name, tp->dev->name, IFNAMSIZ); +} + +static void tg3_ptp_resume(struct tg3 *tp) +{ + if (!tg3_flag(tp, PTP_CAPABLE)) + return; + + tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()) + tp->ptp_adjust); + tp->ptp_adjust = 0; +} + +static void tg3_ptp_fini(struct tg3 *tp) +{ + if (!tg3_flag(tp, PTP_CAPABLE) || + !tp->ptp_clock) + return; + + ptp_clock_unregister(tp->ptp_clock); + tp->ptp_clock = NULL; + tp->ptp_adjust = 0; +} + static inline int tg3_irq_sync(struct tg3 *tp) { return tp->irq_sync; @@ -6527,6 +6581,8 @@ static inline void tg3_netif_stop(struct tg3 *tp) static inline void tg3_netif_start(struct tg3 *tp) { + tg3_ptp_resume(tp); + /* NOTE: unconditional netif_tx_wake_all_queues is only * appropriate so long as all callers are assured to * have free tx slots (such as after tg3_init_hw) @@ -10364,7 +10420,8 @@ static void tg3_ints_fini(struct tg3 *tp) tg3_flag_clear(tp, ENABLE_TSS); } -static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq) +static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq, + bool init) { struct net_device *dev = tp->dev; int i, err; @@ -10443,6 +10500,12 @@ static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq) tg3_flag_set(tp, INIT_COMPLETE); tg3_enable_ints(tp); + if (init) + tg3_ptp_init(tp); + else + tg3_ptp_resume(tp); + + tg3_full_unlock(tp); netif_tx_start_all_queues(dev); @@ -10540,11 +10603,19 @@ static int tg3_open(struct net_device *dev) tg3_full_unlock(tp); - err = tg3_start(tp, true, true); + err = tg3_start(tp, true, true, true); if (err) { tg3_frob_aux_power(tp, false); pci_set_power_state(tp->pdev, PCI_D3hot); } + + if (tg3_flag(tp, PTP_CAPABLE)) { + tp->ptp_clock = ptp_clock_register(&tp->ptp_info, + &tp->pdev->dev); + if (IS_ERR(tp->ptp_clock)) + tp->ptp_clock = NULL; + } + return err; } @@ -10552,6 +10623,8 @@ static int tg3_close(struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); + tg3_ptp_fini(tp); + tg3_stop(tp); /* Clear stats across close / open calls */ @@ -11454,7 +11527,7 @@ static int tg3_set_channels(struct net_device *dev, tg3_carrier_off(tp); - tg3_start(tp, true, false); + tg3_start(tp, true, false, false); return 0; } @@ -12507,7 +12580,6 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, } tg3_full_lock(tp, irq_sync); - tg3_halt(tp, RESET_KIND_SUSPEND, 1); err = tg3_nvram_lock(tp); tg3_halt_cpu(tp, RX_CPU_BASE); @@ -16598,8 +16670,8 @@ static void tg3_io_resume(struct pci_dev *pdev) tg3_full_lock(tp, 0); tg3_flag_set(tp, INIT_COMPLETE); err = tg3_restart_hw(tp, 1); - tg3_full_unlock(tp); if (err) { + tg3_full_unlock(tp); netdev_err(netdev, "Cannot restart hardware after reset.\n"); goto done; } @@ -16610,6 +16682,8 @@ static void tg3_io_resume(struct pci_dev *pdev) tg3_netif_start(tp); + tg3_full_unlock(tp); + tg3_phy_start(tp); done: diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 4534804..d330e81 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -772,7 +772,10 @@ #define SG_DIG_MAC_ACK_STATUS 0x00000004 #define SG_DIG_AUTONEG_COMPLETE 0x00000002 #define SG_DIG_AUTONEG_ERROR 0x00000001 -/* 0x5b8 --> 0x600 unused */ +#define TG3_TX_TSTAMP_LSB 0x000005c0 +#define TG3_TX_TSTAMP_MSB 0x000005c4 +#define TG3_TSTAMP_MASK 0x7fffffffffffffff +/* 0x5c8 --> 0x600 unused */ #define MAC_TX_MAC_STATE_BASE 0x00000600 /* 16 bytes */ #define MAC_RX_MAC_STATE_BASE 0x00000610 /* 20 bytes */ /* 0x624 --> 0x670 unused */ @@ -789,7 +792,36 @@ #define MAC_RSS_HASH_KEY_7 0x0000068c #define MAC_RSS_HASH_KEY_8 0x00000690 #define MAC_RSS_HASH_KEY_9 0x00000694 -/* 0x698 --> 0x800 unused */ +/* 0x698 --> 0x6b0 unused */ + +#define TG3_RX_TSTAMP_LSB 0x000006b0 +#define TG3_RX_TSTAMP_MSB 0x000006b4 +/* 0x6b8 --> 0x6c8 unused */ + +#define TG3_RX_PTP_CTL 0x000006c8 +#define TG3_RX_PTP_CTL_SYNC_EVNT 0x00000001 +#define TG3_RX_PTP_CTL_DELAY_REQ 0x00000002 +#define TG3_RX_PTP_CTL_PDLAY_REQ 0x00000004 +#define TG3_RX_PTP_CTL_PDLAY_RES 0x00000008 +#define TG3_RX_PTP_CTL_ALL_V1_EVENTS (TG3_RX_PTP_CTL_SYNC_EVNT | \ + TG3_RX_PTP_CTL_DELAY_REQ) +#define TG3_RX_PTP_CTL_ALL_V2_EVENTS (TG3_RX_PTP_CTL_SYNC_EVNT | \ + TG3_RX_PTP_CTL_DELAY_REQ | \ + TG3_RX_PTP_CTL_PDLAY_REQ | \ + TG3_RX_PTP_CTL_PDLAY_RES) +#define TG3_RX_PTP_CTL_FOLLOW_UP 0x00000100 +#define TG3_RX_PTP_CTL_DELAY_RES 0x00000200 +#define TG3_RX_PTP_CTL_PDRES_FLW_UP 0x00000400 +#define TG3_RX_PTP_CTL_ANNOUNCE 0x00000800 +#define TG3_RX_PTP_CTL_SIGNALING 0x00001000 +#define TG3_RX_PTP_CTL_MANAGEMENT 0x00002000 +#define TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN 0x00800000 +#define TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN 0x01000000 +#define TG3_RX_PTP_CTL_RX_PTP_V2_EN (TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | \ + TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN) +#define TG3_RX_PTP_CTL_RX_PTP_V1_EN 0x02000000 +#define TG3_RX_PTP_CTL_HWTS_INTERLOCK 0x04000000 +/* 0x6cc --> 0x800 unused */ #define MAC_TX_STATS_OCTETS 0x00000800 #define MAC_TX_STATS_RESV1 0x00000804 @@ -1669,6 +1701,7 @@ #define GRC_MODE_HOST_STACKUP 0x00010000 #define GRC_MODE_HOST_SENDBDS 0x00020000 #define GRC_MODE_HTX2B_ENABLE 0x00040000 +#define GRC_MODE_TIME_SYNC_ENABLE 0x00080000 #define GRC_MODE_NO_TX_PHDR_CSUM 0x00100000 #define GRC_MODE_NVRAM_WR_ENABLE 0x00200000 #define GRC_MODE_PCIE_TL_SEL 0x00000000 @@ -1771,7 +1804,17 @@ #define GRC_VCPU_EXT_CTRL_DISABLE_WOL 0x20000000 #define GRC_FASTBOOT_PC 0x00006894 /* 5752, 5755, 5787 */ -/* 0x6c00 --> 0x7000 unused */ +#define TG3_EAV_REF_CLCK_LSB 0x00006900 +#define TG3_EAV_REF_CLCK_MSB 0x00006904 +#define TG3_EAV_REF_CLCK_CTL 0x00006908 +#define TG3_EAV_REF_CLCK_CTL_STOP 0x00000002 +#define TG3_EAV_REF_CLCK_CTL_RESUME 0x00000004 +#define TG3_EAV_REF_CLK_CORRECT_CTL 0x00006928 +#define TG3_EAV_REF_CLK_CORRECT_EN (1 << 31) +#define TG3_EAV_REF_CLK_CORRECT_NEG (1 << 30) + +#define TG3_EAV_REF_CLK_CORRECT_MASK 0xffffff +/* 0x690c --> 0x7000 unused */ /* NVRAM Control registers */ #define NVRAM_CMD 0x00007000 @@ -2439,6 +2482,7 @@ struct tg3_tx_buffer_desc { #define TXD_FLAG_IP_FRAG 0x0008 #define TXD_FLAG_JMB_PKT 0x0008 #define TXD_FLAG_IP_FRAG_END 0x0010 +#define TXD_FLAG_HWTSTAMP 0x0020 #define TXD_FLAG_VLAN 0x0040 #define TXD_FLAG_COAL_NOW 0x0080 #define TXD_FLAG_CPU_PRE_DMA 0x0100 @@ -2480,6 +2524,9 @@ struct tg3_rx_buffer_desc { #define RXD_FLAG_IP_CSUM 0x1000 #define RXD_FLAG_TCPUDP_CSUM 0x2000 #define RXD_FLAG_IS_TCP 0x4000 +#define RXD_FLAG_PTPSTAT_MASK 0x0210 +#define RXD_FLAG_PTPSTAT_PTPV1 0x0010 +#define RXD_FLAG_PTPSTAT_PTPV2 0x0200 u32 ip_tcp_csum; #define RXD_IPCSUM_MASK 0xffff0000 @@ -2970,9 +3017,11 @@ enum TG3_FLAGS { TG3_FLAG_USE_JUMBO_BDFLAG, TG3_FLAG_L1PLLPD_EN, TG3_FLAG_APE_HAS_NCSI, + TG3_FLAG_TX_TSTAMP_EN, TG3_FLAG_4K_FIFO_LIMIT, TG3_FLAG_5719_RDMA_BUG, TG3_FLAG_RESET_TASK_PENDING, + TG3_FLAG_PTP_CAPABLE, TG3_FLAG_5705_PLUS, TG3_FLAG_IS_5788, TG3_FLAG_5750_PLUS, @@ -3041,6 +3090,10 @@ struct tg3 { u32 coal_now; u32 msg_enable; + struct ptp_clock_info ptp_info; + struct ptp_clock *ptp_clock; + s64 ptp_adjust; + /* begin "tx thread" cacheline section */ void (*write32_tx_mbox) (struct tg3 *, u32, u32); @@ -3108,6 +3161,7 @@ struct tg3 { u32 dma_rwctrl; u32 coalesce_mode; u32 pwrmgmt_thresh; + u32 rxptpctl; /* PCI block */ u32 pci_chip_rev_id;