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batman-adv: set skb priority according to content

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The skb priority field may help the wireless driver to choose the right
queue (e.g. WMM queues). This should be set in batman-adv, as this
information is only available here.

This patch adds support for IPv4/IPv6 DS fields and VLAN PCP. Note that
only VLAN PCP is used if a VLAN header is present. Also initially set
TC_PRIO_CONTROL only for self-generated packets, and keep the priority
set by higher layers.

Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
This commit is contained in:
Simon Wunderlich
2013-07-29 17:56:44 +02:00
committed by Antonio Quartulli
parent 5b2941b18d
commit c54f38c9aa
10 changed files with 91 additions and 2 deletions
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1
net/batman-adv/icmp_socket.c
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@@ -183,6 +183,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out;
}
skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, ETH_HLEN);
icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len);