diff mbox

[net-next,10/13] tg3: Consolidate all netdev feature assignments

Message ID 1305843176-32358-11-git-send-email-mcarlson@broadcom.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Matt Carlson May 19, 2011, 10:12 p.m. UTC
This patch consolidates all the netdev feature bit assignments to one
location.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
---
 drivers/net/tg3.c |   51 ++++++++++++++++++++++++---------------------------
 1 files changed, 24 insertions(+), 27 deletions(-)

Comments

On Thu, May 19, 2011 at 3:12 PM, Matt Carlson <mcarlson@broadcom.com> wrote:
> This patch consolidates all the netdev feature bit assignments to one
> location.
>
> Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
> Reviewed-by: Michael Chan <mchan@broadcom.com>
> ---
>  drivers/net/tg3.c |   51 ++++++++++++++++++++++++---------------------------
>  1 files changed, 24 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
> index 09fe067..5bf2ce1 100644
> --- a/drivers/net/tg3.c
> +++ b/drivers/net/tg3.c
> @@ -13602,19 +13602,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
>            tg3_flag(tp, 5750_PLUS))
>                tg3_flag_set(tp, 5705_PLUS);
>
> -       /* 5700 B0 chips do not support checksumming correctly due
> -        * to hardware bugs.
> -        */
> -       if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
> -               u32 features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
> -
> -               if (tg3_flag(tp, 5755_PLUS))
> -                       features |= NETIF_F_IPV6_CSUM;
> -               tp->dev->features |= features;
> -               tp->dev->hw_features |= features;
> -               tp->dev->vlan_features |= features;
> -       }
> -
>        /* Determine TSO capabilities */
>        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
>                ; /* Do nothing. HW bug. */
> @@ -14922,7 +14909,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>        u32 sndmbx, rcvmbx, intmbx;
>        char str[40];
>        u64 dma_mask, persist_dma_mask;
> -       u32 hw_features = 0;
> +       u32 features = 0;
>
>        printk_once(KERN_INFO "%s\n", version);
>
> @@ -14958,8 +14945,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>
>        SET_NETDEV_DEV(dev, &pdev->dev);
>
> -       dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
> -
>        tp = netdev_priv(dev);
>        tp->pdev = pdev;
>        tp->dev = dev;
> @@ -15039,7 +15024,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>        if (dma_mask > DMA_BIT_MASK(32)) {
>                err = pci_set_dma_mask(pdev, dma_mask);
>                if (!err) {
> -                       dev->features |= NETIF_F_HIGHDMA;
> +                       features |= NETIF_F_HIGHDMA;
>                        err = pci_set_consistent_dma_mask(pdev,
>                                                          persist_dma_mask);
>                        if (err < 0) {
> @@ -15060,6 +15045,18 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>
>        tg3_init_bufmgr_config(tp);
>
> +       features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
> +
> +       /* 5700 B0 chips do not support checksumming correctly due
> +        * to hardware bugs.
> +        */
> +       if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
> +               features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
> +
> +               if (tg3_flag(tp, 5755_PLUS))
> +                       features |= NETIF_F_IPV6_CSUM;
> +       }
> +
>        /* TSO is on by default on chips that support hardware TSO.
>         * Firmware TSO on older chips gives lower performance, so it
>         * is off by default, but can be enabled using ethtool.
> @@ -15067,24 +15064,20 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>        if ((tg3_flag(tp, HW_TSO_1) ||
>             tg3_flag(tp, HW_TSO_2) ||
>             tg3_flag(tp, HW_TSO_3)) &&
> -           (dev->features & NETIF_F_IP_CSUM))
> -               hw_features |= NETIF_F_TSO;
> +           (features & NETIF_F_IP_CSUM))
> +               features |= NETIF_F_TSO;
>        if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) {
> -               if (dev->features & NETIF_F_IPV6_CSUM)
> -                       hw_features |= NETIF_F_TSO6;
> +               if (features & NETIF_F_IPV6_CSUM)
> +                       features |= NETIF_F_TSO6;
>                if (tg3_flag(tp, HW_TSO_3) ||
>                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
>                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
>                     GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
>                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
>                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
> -                       hw_features |= NETIF_F_TSO_ECN;
> +                       features |= NETIF_F_TSO_ECN;
>        }
>
> -       dev->hw_features |= hw_features;
> -       dev->features |= hw_features;
> -       dev->vlan_features |= hw_features;
> -
>        /*
>         * Add loopback capability only for a subset of devices that support
>         * MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY
> @@ -15093,7 +15086,11 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780 &&
>            !tg3_flag(tp, CPMU_PRESENT))
>                /* Add the loopback capability */
> -               dev->hw_features |= NETIF_F_LOOPBACK;
> +               features |= NETIF_F_LOOPBACK;
> +
> +       dev->features |= features;
This will set the loopback by default for the described sub-set.
> +       dev->hw_features |= features;
Yes, you just want to add that here only.
> +       dev->vlan_features |= features;
>
>        if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
>            !tg3_flag(tp, TSO_CAPABLE) &&
> --
> 1.7.3.4
>
>
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Matt Carlson May 19, 2011, 11:51 p.m. UTC | #2
On Thu, May 19, 2011 at 04:15:52PM -0700, Mahesh Bandewar wrote:
> On Thu, May 19, 2011 at 3:12 PM, Matt Carlson <mcarlson@broadcom.com> wrote:
> > This patch consolidates all the netdev feature bit assignments to one
> > location.
> >
> > Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
> > Reviewed-by: Michael Chan <mchan@broadcom.com>
> > ---
> > ?drivers/net/tg3.c | ? 51 ++++++++++++++++++++++++---------------------------
> > ?1 files changed, 24 insertions(+), 27 deletions(-)
> >
> > diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
> > index 09fe067..5bf2ce1 100644
> > --- a/drivers/net/tg3.c
> > +++ b/drivers/net/tg3.c
> > @@ -13602,19 +13602,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
> > ? ? ? ? ? ?tg3_flag(tp, 5750_PLUS))
> > ? ? ? ? ? ? ? ?tg3_flag_set(tp, 5705_PLUS);
> >
> > - ? ? ? /* 5700 B0 chips do not support checksumming correctly due
> > - ? ? ? ?* to hardware bugs.
> > - ? ? ? ?*/
> > - ? ? ? if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
> > - ? ? ? ? ? ? ? u32 features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
> > -
> > - ? ? ? ? ? ? ? if (tg3_flag(tp, 5755_PLUS))
> > - ? ? ? ? ? ? ? ? ? ? ? features |= NETIF_F_IPV6_CSUM;
> > - ? ? ? ? ? ? ? tp->dev->features |= features;
> > - ? ? ? ? ? ? ? tp->dev->hw_features |= features;
> > - ? ? ? ? ? ? ? tp->dev->vlan_features |= features;
> > - ? ? ? }
> > -
> > ? ? ? ?/* Determine TSO capabilities */
> > ? ? ? ?if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
> > ? ? ? ? ? ? ? ?; /* Do nothing. HW bug. */
> > @@ -14922,7 +14909,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
> > ? ? ? ?u32 sndmbx, rcvmbx, intmbx;
> > ? ? ? ?char str[40];
> > ? ? ? ?u64 dma_mask, persist_dma_mask;
> > - ? ? ? u32 hw_features = 0;
> > + ? ? ? u32 features = 0;
> >
> > ? ? ? ?printk_once(KERN_INFO "%s\n", version);
> >
> > @@ -14958,8 +14945,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
> >
> > ? ? ? ?SET_NETDEV_DEV(dev, &pdev->dev);
> >
> > - ? ? ? dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
> > -
> > ? ? ? ?tp = netdev_priv(dev);
> > ? ? ? ?tp->pdev = pdev;
> > ? ? ? ?tp->dev = dev;
> > @@ -15039,7 +15024,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
> > ? ? ? ?if (dma_mask > DMA_BIT_MASK(32)) {
> > ? ? ? ? ? ? ? ?err = pci_set_dma_mask(pdev, dma_mask);
> > ? ? ? ? ? ? ? ?if (!err) {
> > - ? ? ? ? ? ? ? ? ? ? ? dev->features |= NETIF_F_HIGHDMA;
> > + ? ? ? ? ? ? ? ? ? ? ? features |= NETIF_F_HIGHDMA;
> > ? ? ? ? ? ? ? ? ? ? ? ?err = pci_set_consistent_dma_mask(pdev,
> > ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?persist_dma_mask);
> > ? ? ? ? ? ? ? ? ? ? ? ?if (err < 0) {
> > @@ -15060,6 +15045,18 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
> >
> > ? ? ? ?tg3_init_bufmgr_config(tp);
> >
> > + ? ? ? features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
> > +
> > + ? ? ? /* 5700 B0 chips do not support checksumming correctly due
> > + ? ? ? ?* to hardware bugs.
> > + ? ? ? ?*/
> > + ? ? ? if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
> > + ? ? ? ? ? ? ? features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
> > +
> > + ? ? ? ? ? ? ? if (tg3_flag(tp, 5755_PLUS))
> > + ? ? ? ? ? ? ? ? ? ? ? features |= NETIF_F_IPV6_CSUM;
> > + ? ? ? }
> > +
> > ? ? ? ?/* TSO is on by default on chips that support hardware TSO.
> > ? ? ? ? * Firmware TSO on older chips gives lower performance, so it
> > ? ? ? ? * is off by default, but can be enabled using ethtool.
> > @@ -15067,24 +15064,20 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
> > ? ? ? ?if ((tg3_flag(tp, HW_TSO_1) ||
> > ? ? ? ? ? ? tg3_flag(tp, HW_TSO_2) ||
> > ? ? ? ? ? ? tg3_flag(tp, HW_TSO_3)) &&
> > - ? ? ? ? ? (dev->features & NETIF_F_IP_CSUM))
> > - ? ? ? ? ? ? ? hw_features |= NETIF_F_TSO;
> > + ? ? ? ? ? (features & NETIF_F_IP_CSUM))
> > + ? ? ? ? ? ? ? features |= NETIF_F_TSO;
> > ? ? ? ?if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) {
> > - ? ? ? ? ? ? ? if (dev->features & NETIF_F_IPV6_CSUM)
> > - ? ? ? ? ? ? ? ? ? ? ? hw_features |= NETIF_F_TSO6;
> > + ? ? ? ? ? ? ? if (features & NETIF_F_IPV6_CSUM)
> > + ? ? ? ? ? ? ? ? ? ? ? features |= NETIF_F_TSO6;
> > ? ? ? ? ? ? ? ?if (tg3_flag(tp, HW_TSO_3) ||
> > ? ? ? ? ? ? ? ? ? ?GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
> > ? ? ? ? ? ? ? ? ? ?(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
> > ? ? ? ? ? ? ? ? ? ? GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
> > ? ? ? ? ? ? ? ? ? ?GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
> > ? ? ? ? ? ? ? ? ? ?GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
> > - ? ? ? ? ? ? ? ? ? ? ? hw_features |= NETIF_F_TSO_ECN;
> > + ? ? ? ? ? ? ? ? ? ? ? features |= NETIF_F_TSO_ECN;
> > ? ? ? ?}
> >
> > - ? ? ? dev->hw_features |= hw_features;
> > - ? ? ? dev->features |= hw_features;
> > - ? ? ? dev->vlan_features |= hw_features;
> > -
> > ? ? ? ?/*
> > ? ? ? ? * Add loopback capability only for a subset of devices that support
> > ? ? ? ? * MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY
> > @@ -15093,7 +15086,11 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
> > ? ? ? ?if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780 &&
> > ? ? ? ? ? ?!tg3_flag(tp, CPMU_PRESENT))
> > ? ? ? ? ? ? ? ?/* Add the loopback capability */
> > - ? ? ? ? ? ? ? dev->hw_features |= NETIF_F_LOOPBACK;
> > + ? ? ? ? ? ? ? features |= NETIF_F_LOOPBACK;
> > +
> > + ? ? ? dev->features |= features;
> This will set the loopback by default for the described sub-set.
> > + ? ? ? dev->hw_features |= features;
> Yes, you just want to add that here only.

Yes.  Good catch.  I'll post a follow on patch ASAP.

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diff mbox

Patch

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 09fe067..5bf2ce1 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13602,19 +13602,6 @@  static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    tg3_flag(tp, 5750_PLUS))
 		tg3_flag_set(tp, 5705_PLUS);
 
-	/* 5700 B0 chips do not support checksumming correctly due
-	 * to hardware bugs.
-	 */
-	if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
-		u32 features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
-
-		if (tg3_flag(tp, 5755_PLUS))
-			features |= NETIF_F_IPV6_CSUM;
-		tp->dev->features |= features;
-		tp->dev->hw_features |= features;
-		tp->dev->vlan_features |= features;
-	}
-
 	/* Determine TSO capabilities */
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
 		; /* Do nothing. HW bug. */
@@ -14922,7 +14909,7 @@  static int __devinit tg3_init_one(struct pci_dev *pdev,
 	u32 sndmbx, rcvmbx, intmbx;
 	char str[40];
 	u64 dma_mask, persist_dma_mask;
-	u32 hw_features = 0;
+	u32 features = 0;
 
 	printk_once(KERN_INFO "%s\n", version);
 
@@ -14958,8 +14945,6 @@  static int __devinit tg3_init_one(struct pci_dev *pdev,
 
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
-	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
-
 	tp = netdev_priv(dev);
 	tp->pdev = pdev;
 	tp->dev = dev;
@@ -15039,7 +15024,7 @@  static int __devinit tg3_init_one(struct pci_dev *pdev,
 	if (dma_mask > DMA_BIT_MASK(32)) {
 		err = pci_set_dma_mask(pdev, dma_mask);
 		if (!err) {
-			dev->features |= NETIF_F_HIGHDMA;
+			features |= NETIF_F_HIGHDMA;
 			err = pci_set_consistent_dma_mask(pdev,
 							  persist_dma_mask);
 			if (err < 0) {
@@ -15060,6 +15045,18 @@  static int __devinit tg3_init_one(struct pci_dev *pdev,
 
 	tg3_init_bufmgr_config(tp);
 
+	features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+
+	/* 5700 B0 chips do not support checksumming correctly due
+	 * to hardware bugs.
+	 */
+	if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
+		features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+
+		if (tg3_flag(tp, 5755_PLUS))
+			features |= NETIF_F_IPV6_CSUM;
+	}
+
 	/* TSO is on by default on chips that support hardware TSO.
 	 * Firmware TSO on older chips gives lower performance, so it
 	 * is off by default, but can be enabled using ethtool.
@@ -15067,24 +15064,20 @@  static int __devinit tg3_init_one(struct pci_dev *pdev,
 	if ((tg3_flag(tp, HW_TSO_1) ||
 	     tg3_flag(tp, HW_TSO_2) ||
 	     tg3_flag(tp, HW_TSO_3)) &&
-	    (dev->features & NETIF_F_IP_CSUM))
-		hw_features |= NETIF_F_TSO;
+	    (features & NETIF_F_IP_CSUM))
+		features |= NETIF_F_TSO;
 	if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) {
-		if (dev->features & NETIF_F_IPV6_CSUM)
-			hw_features |= NETIF_F_TSO6;
+		if (features & NETIF_F_IPV6_CSUM)
+			features |= NETIF_F_TSO6;
 		if (tg3_flag(tp, HW_TSO_3) ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
 		    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
 		     GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
-			hw_features |= NETIF_F_TSO_ECN;
+			features |= NETIF_F_TSO_ECN;
 	}
 
-	dev->hw_features |= hw_features;
-	dev->features |= hw_features;
-	dev->vlan_features |= hw_features;
-
 	/*
 	 * Add loopback capability only for a subset of devices that support
 	 * MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY
@@ -15093,7 +15086,11 @@  static int __devinit tg3_init_one(struct pci_dev *pdev,
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780 &&
 	    !tg3_flag(tp, CPMU_PRESENT))
 		/* Add the loopback capability */
-		dev->hw_features |= NETIF_F_LOOPBACK;
+		features |= NETIF_F_LOOPBACK;
+
+	dev->features |= features;
+	dev->hw_features |= features;
+	dev->vlan_features |= features;
 
 	if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
 	    !tg3_flag(tp, TSO_CAPABLE) &&