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[atm] drop backported patches as they cause regressions and oopses
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30690 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
parent
1863b32a32
commit
2f20008d73
@ -1,83 +0,0 @@
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From: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Date: Wed, 17 Aug 2011 08:37:18 +0200
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Subject: [PATCH 1/2] atm: br2684: Make headroom and hard_header_len depend on the payload type
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Routed payload requires less headroom than bridged payload.
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So do not reallocate headroom if not needed.
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Also, add worst case AAL5 overhead to netdev->hard_header_len.
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Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
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---
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net/atm/br2684.c | 8 ++++++--
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1 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/net/atm/br2684.c b/net/atm/br2684.c
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index 53b0aa1..ed72263 100644
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -202,7 +202,10 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev,
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{
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struct br2684_dev *brdev = BRPRIV(dev);
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struct atm_vcc *atmvcc;
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- int minheadroom = (brvcc->encaps == e_llc) ? 10 : 2;
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+ int minheadroom = (brvcc->encaps == e_llc) ?
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+ ((brdev->payload == p_bridged) ?
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+ sizeof(llc_oui_pid_pad) : sizeof(llc_oui_ipv4)) :
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+ ((brdev->payload == p_bridged) ? BR2684_PAD_LEN : 0);
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if (skb_headroom(skb) < minheadroom) {
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struct sk_buff *skb2 = skb_realloc_headroom(skb, minheadroom);
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@@ -583,6 +586,7 @@ static void br2684_setup(struct net_device *netdev)
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struct br2684_dev *brdev = BRPRIV(netdev);
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ether_setup(netdev);
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+ netdev->hard_header_len += sizeof(llc_oui_pid_pad); /* worst case */
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brdev->net_dev = netdev;
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netdev->netdev_ops = &br2684_netdev_ops;
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@@ -595,7 +599,7 @@ static void br2684_setup_routed(struct net_device *netdev)
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struct br2684_dev *brdev = BRPRIV(netdev);
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brdev->net_dev = netdev;
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- netdev->hard_header_len = 0;
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+ netdev->hard_header_len = sizeof(llc_oui_ipv4); /* worst case */
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netdev->netdev_ops = &br2684_netdev_ops_routed;
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netdev->addr_len = 0;
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netdev->mtu = 1500;
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From: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Date: Wed, 17 Aug 2011 08:37:52 +0200
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Subject: [PATCH 2/2] atm: br2684: Avoid alignment issues
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Use memcmp() instead of cast to u16 when checking the PAD field.
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Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
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---
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net/atm/br2684.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/net/atm/br2684.c b/net/atm/br2684.c
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index ed72263..353fccf 100644
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -53,6 +53,7 @@ static const unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
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static const unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
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static const unsigned char llc_oui_pid_pad[] =
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{ LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED };
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+static const unsigned char pad[] = { PAD_BRIDGED };
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static const unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 };
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static const unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
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@@ -453,7 +454,7 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
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skb->pkt_type = PACKET_HOST;
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} else { /* p_bridged */
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/* first 2 chars should be 0 */
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- if (*((u16 *) (skb->data)) != 0)
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+ if (memcmp(skb->data, pad, BR2684_PAD_LEN) != 0)
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goto error;
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skb_pull(skb, BR2684_PAD_LEN);
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skb->protocol = eth_type_trans(skb, net_dev);
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@ -1,83 +0,0 @@
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From: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Date: Wed, 17 Aug 2011 08:37:18 +0200
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Subject: [PATCH 1/2] atm: br2684: Make headroom and hard_header_len depend on the payload type
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Routed payload requires less headroom than bridged payload.
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So do not reallocate headroom if not needed.
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Also, add worst case AAL5 overhead to netdev->hard_header_len.
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Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
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---
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net/atm/br2684.c | 8 ++++++--
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1 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/net/atm/br2684.c b/net/atm/br2684.c
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index 53b0aa1..ed72263 100644
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -202,7 +202,10 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev,
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{
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struct br2684_dev *brdev = BRPRIV(dev);
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struct atm_vcc *atmvcc;
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- int minheadroom = (brvcc->encaps == e_llc) ? 10 : 2;
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+ int minheadroom = (brvcc->encaps == e_llc) ?
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+ ((brdev->payload == p_bridged) ?
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+ sizeof(llc_oui_pid_pad) : sizeof(llc_oui_ipv4)) :
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+ ((brdev->payload == p_bridged) ? BR2684_PAD_LEN : 0);
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if (skb_headroom(skb) < minheadroom) {
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struct sk_buff *skb2 = skb_realloc_headroom(skb, minheadroom);
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@@ -583,6 +586,7 @@ static void br2684_setup(struct net_device *netdev)
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struct br2684_dev *brdev = BRPRIV(netdev);
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ether_setup(netdev);
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+ netdev->hard_header_len += sizeof(llc_oui_pid_pad); /* worst case */
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brdev->net_dev = netdev;
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netdev->netdev_ops = &br2684_netdev_ops;
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@@ -595,7 +599,7 @@ static void br2684_setup_routed(struct net_device *netdev)
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struct br2684_dev *brdev = BRPRIV(netdev);
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brdev->net_dev = netdev;
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- netdev->hard_header_len = 0;
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+ netdev->hard_header_len = sizeof(llc_oui_ipv4); /* worst case */
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netdev->netdev_ops = &br2684_netdev_ops_routed;
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netdev->addr_len = 0;
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netdev->mtu = 1500;
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From: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Date: Wed, 17 Aug 2011 08:37:52 +0200
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Subject: [PATCH 2/2] atm: br2684: Avoid alignment issues
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Use memcmp() instead of cast to u16 when checking the PAD field.
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Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
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---
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net/atm/br2684.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/net/atm/br2684.c b/net/atm/br2684.c
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index ed72263..353fccf 100644
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -53,6 +53,7 @@ static const unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
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static const unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
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static const unsigned char llc_oui_pid_pad[] =
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{ LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED };
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+static const unsigned char pad[] = { PAD_BRIDGED };
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static const unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 };
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static const unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
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@@ -453,7 +454,7 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
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skb->pkt_type = PACKET_HOST;
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} else { /* p_bridged */
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/* first 2 chars should be 0 */
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- if (*((u16 *) (skb->data)) != 0)
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+ if (memcmp(skb->data, pad, BR2684_PAD_LEN) != 0)
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goto error;
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skb_pull(skb, BR2684_PAD_LEN);
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skb->protocol = eth_type_trans(skb, net_dev);
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@ -1,83 +0,0 @@
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From: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Date: Wed, 17 Aug 2011 08:37:18 +0200
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Subject: [PATCH 1/2] atm: br2684: Make headroom and hard_header_len depend on the payload type
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Routed payload requires less headroom than bridged payload.
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So do not reallocate headroom if not needed.
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Also, add worst case AAL5 overhead to netdev->hard_header_len.
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Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
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---
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net/atm/br2684.c | 8 ++++++--
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1 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/net/atm/br2684.c b/net/atm/br2684.c
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index 53b0aa1..ed72263 100644
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -202,7 +202,10 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev,
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{
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struct br2684_dev *brdev = BRPRIV(dev);
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struct atm_vcc *atmvcc;
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- int minheadroom = (brvcc->encaps == e_llc) ? 10 : 2;
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+ int minheadroom = (brvcc->encaps == e_llc) ?
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+ ((brdev->payload == p_bridged) ?
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+ sizeof(llc_oui_pid_pad) : sizeof(llc_oui_ipv4)) :
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+ ((brdev->payload == p_bridged) ? BR2684_PAD_LEN : 0);
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if (skb_headroom(skb) < minheadroom) {
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struct sk_buff *skb2 = skb_realloc_headroom(skb, minheadroom);
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@@ -583,6 +586,7 @@ static void br2684_setup(struct net_device *netdev)
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struct br2684_dev *brdev = BRPRIV(netdev);
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ether_setup(netdev);
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+ netdev->hard_header_len += sizeof(llc_oui_pid_pad); /* worst case */
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brdev->net_dev = netdev;
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netdev->netdev_ops = &br2684_netdev_ops;
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@@ -595,7 +599,7 @@ static void br2684_setup_routed(struct net_device *netdev)
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struct br2684_dev *brdev = BRPRIV(netdev);
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brdev->net_dev = netdev;
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- netdev->hard_header_len = 0;
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+ netdev->hard_header_len = sizeof(llc_oui_ipv4); /* worst case */
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netdev->netdev_ops = &br2684_netdev_ops_routed;
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netdev->addr_len = 0;
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netdev->mtu = 1500;
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From: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Date: Wed, 17 Aug 2011 08:37:52 +0200
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Subject: [PATCH 2/2] atm: br2684: Avoid alignment issues
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Use memcmp() instead of cast to u16 when checking the PAD field.
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Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
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Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
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---
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net/atm/br2684.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/net/atm/br2684.c b/net/atm/br2684.c
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index ed72263..353fccf 100644
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--- a/net/atm/br2684.c
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+++ b/net/atm/br2684.c
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@@ -53,6 +53,7 @@ static const unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 };
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static const unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 };
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static const unsigned char llc_oui_pid_pad[] =
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{ LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED };
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+static const unsigned char pad[] = { PAD_BRIDGED };
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static const unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 };
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static const unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 };
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@@ -453,7 +454,7 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
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skb->pkt_type = PACKET_HOST;
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} else { /* p_bridged */
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/* first 2 chars should be 0 */
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- if (*((u16 *) (skb->data)) != 0)
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+ if (memcmp(skb->data, pad, BR2684_PAD_LEN) != 0)
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goto error;
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skb_pull(skb, BR2684_PAD_LEN);
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skb->protocol = eth_type_trans(skb, net_dev);
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