[PATCH net] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

[PATCH net] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

[Nicolas Dichtel]

This kind of interface doesn't have a mac header. This patch fixes
bpf_redirect() to a PIM interface.

Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
---
 include/linux/if_arp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index b712217f7030..1ed52441972f 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -52,6 +52,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
 	case ARPHRD_VOID:
 	case ARPHRD_NONE:
 	case ARPHRD_RAWIP:
+	case ARPHRD_PIMREG:
 		return false;
 	default:
 		return true;
-- 
2.33.0

Re: [PATCH net] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

[Greg KH]

On Tue, Mar 15, 2022 at 10:01:02AM +0100, Nicolas Dichtel wrote:
> This kind of interface doesn't have a mac header. This patch fixes
> bpf_redirect() to a PIM interface.
> 
> Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
> ---
>  include/linux/if_arp.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
> index b712217f7030..1ed52441972f 100644
> --- a/include/linux/if_arp.h
> +++ b/include/linux/if_arp.h
> @@ -52,6 +52,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
>  	case ARPHRD_VOID:
>  	case ARPHRD_NONE:
>  	case ARPHRD_RAWIP:
> +	case ARPHRD_PIMREG:
>  		return false;
>  	default:
>  		return true;
> -- 
> 2.33.0
> 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>

[PATCH net v2] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

[Nicolas Dichtel]

This kind of interface doesn't have a mac header. This patch fixes
bpf_redirect() to a PIM interface.

Cc: stable@vger.kernel.org
Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
---

v1 -> v2:
 add the tag "Cc: stable@vger.kernel.org" for correct stable submission

 include/linux/if_arp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index b712217f7030..1ed52441972f 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -52,6 +52,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
 	case ARPHRD_VOID:
 	case ARPHRD_NONE:
 	case ARPHRD_RAWIP:
+	case ARPHRD_PIMREG:
 		return false;
 	default:
 		return true;
-- 
2.33.0

Re: [PATCH net v2] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 15 Mar 2022 10:20:08 +0100 you wrote:
> This kind of interface doesn't have a mac header. This patch fixes
> bpf_redirect() to a PIM interface.
> 
> Cc: stable@vger.kernel.org
> Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
> 
> [...]

Here is the summary with links:
  - [net,v2] net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()
    https://git.kernel.org/netdev/net/c/4ee06de7729d

You are awesome, thank you!
-- 
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