* [PATCH net-2.6] bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
@ 2012-11-21 14:35 sarveshwar.bandi
2012-11-21 14:55 ` Eric Dumazet
0 siblings, 1 reply; 3+ messages in thread
From: sarveshwar.bandi @ 2012-11-21 14:35 UTC (permalink / raw)
To: davem; +Cc: netdev, Sarveshwar Bandi
From: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Patch sets the lowest gso_max_size and gso_max_segs values of the slave devices during enslave and detach.
Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
---
drivers/net/bonding/bond_main.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b2530b0..5f5b69f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1379,6 +1379,8 @@ static void bond_compute_features(struct bonding *bond)
struct net_device *bond_dev = bond->dev;
netdev_features_t vlan_features = BOND_VLAN_FEATURES;
unsigned short max_hard_header_len = ETH_HLEN;
+ unsigned int gso_max_size = GSO_MAX_SIZE;
+ u16 gso_max_segs = GSO_MAX_SEGS;
int i;
unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE;
@@ -1394,11 +1396,16 @@ static void bond_compute_features(struct bonding *bond)
dst_release_flag &= slave->dev->priv_flags;
if (slave->dev->hard_header_len > max_hard_header_len)
max_hard_header_len = slave->dev->hard_header_len;
+
+ gso_max_size = min(gso_max_size, slave->dev->gso_max_size);
+ gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs);
}
done:
bond_dev->vlan_features = vlan_features;
bond_dev->hard_header_len = max_hard_header_len;
+ bond_dev->gso_max_segs = gso_max_segs;
+ netif_set_gso_max_size(bond_dev, gso_max_size);
flags = bond_dev->priv_flags & ~IFF_XMIT_DST_RELEASE;
bond_dev->priv_flags = flags | dst_release_flag;
--
1.7.9.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH net-2.6] bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
2012-11-21 14:35 [PATCH net-2.6] bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices sarveshwar.bandi
@ 2012-11-21 14:55 ` Eric Dumazet
2012-11-21 16:51 ` David Miller
0 siblings, 1 reply; 3+ messages in thread
From: Eric Dumazet @ 2012-11-21 14:55 UTC (permalink / raw)
To: sarveshwar.bandi; +Cc: davem, netdev
On Wed, 2012-11-21 at 20:05 +0530, sarveshwar.bandi@emulex.com wrote:
> From: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
>
> Patch sets the lowest gso_max_size and gso_max_segs values of the slave devices during enslave and detach.
>
> Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
> ---
> drivers/net/bonding/bond_main.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
> index b2530b0..5f5b69f 100644
> --- a/drivers/net/bonding/bond_main.c
> +++ b/drivers/net/bonding/bond_main.c
> @@ -1379,6 +1379,8 @@ static void bond_compute_features(struct bonding *bond)
> struct net_device *bond_dev = bond->dev;
> netdev_features_t vlan_features = BOND_VLAN_FEATURES;
> unsigned short max_hard_header_len = ETH_HLEN;
> + unsigned int gso_max_size = GSO_MAX_SIZE;
> + u16 gso_max_segs = GSO_MAX_SEGS;
> int i;
> unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE;
>
> @@ -1394,11 +1396,16 @@ static void bond_compute_features(struct bonding *bond)
> dst_release_flag &= slave->dev->priv_flags;
> if (slave->dev->hard_header_len > max_hard_header_len)
> max_hard_header_len = slave->dev->hard_header_len;
> +
> + gso_max_size = min(gso_max_size, slave->dev->gso_max_size);
> + gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs);
> }
>
> done:
> bond_dev->vlan_features = vlan_features;
> bond_dev->hard_header_len = max_hard_header_len;
> + bond_dev->gso_max_segs = gso_max_segs;
> + netif_set_gso_max_size(bond_dev, gso_max_size);
>
> flags = bond_dev->priv_flags & ~IFF_XMIT_DST_RELEASE;
> bond_dev->priv_flags = flags | dst_release_flag;
Acked-by: Eric Dumazet <edumazet@google.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH net-2.6] bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
2012-11-21 14:55 ` Eric Dumazet
@ 2012-11-21 16:51 ` David Miller
0 siblings, 0 replies; 3+ messages in thread
From: David Miller @ 2012-11-21 16:51 UTC (permalink / raw)
To: eric.dumazet; +Cc: sarveshwar.bandi, netdev
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Nov 2012 06:55:06 -0800
> On Wed, 2012-11-21 at 20:05 +0530, sarveshwar.bandi@emulex.com wrote:
>> From: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
>>
>> Patch sets the lowest gso_max_size and gso_max_segs values of the slave devices during enslave and detach.
>>
>> Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
...
> Acked-by: Eric Dumazet <edumazet@google.com>
Applied.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-11-21 14:35 [PATCH net-2.6] bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices sarveshwar.bandi
2012-11-21 14:55 ` Eric Dumazet
2012-11-21 16:51 ` David Miller
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