From: Sven Eckelmann <sven@narfation.org>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCHv12 2/4] batman-adv: Add multicast optimization support for bridged setups
Date: Thu, 07 Apr 2016 15:50:39 +0200 [thread overview]
Message-ID: <3374405.0Pi9Duaxya@bentobox> (raw)
In-Reply-To: <1458101205-26316-3-git-send-email-linus.luessing@c0d3.blue>
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On Wednesday 16 March 2016 05:06:43 Linus Lüssing wrote:
> --- /dev/null
> +++ b/compat-sources/net/bridge/br_multicast.c
> @@ -0,0 +1,33 @@
> +#include <linux/if_bridge.h>
> +#include <linux/printk.h>
> +
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0) || \
> + LINUX_VERSION_CODE == KERNEL_VERSION(3, 16, 0) && \
> + (!IS_ENABLED(CONFIG_BRIDGE) || \
> + !IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING))
> +
> +int br_multicast_list_adjacent(struct net_device *dev,
> + struct list_head *br_ip_list)
> +{
> + return 0;
> +}
> +
> +bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto)
> +{
> + return false;
> +}
> +
> +#endif /* < KERNEL_VERSION(3, 16, 0) ||
> + * !IS_ENABLED(CONFIG_BRIDGE) ||
> + * !IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) */
> +
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0)
> +
> +bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto)
> +{
> + pr_warn_once("Old kernel detected (< 3.17) - multicast optimizations disabled\n");
> +
> + return false;
> +}
> +
> +#endif /* < KERNEL_VERSION(3, 17, 0) */
Why must there be a special compat-sources/*.c file for these tiny
functions?
Kind regards,
Sven
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next prev parent reply other threads:[~2016-04-07 13:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-16 4:06 [B.A.T.M.A.N.] [PATCHv12 0/4] Multicast optimizations for bridges Linus Lüssing
2016-03-16 4:06 ` [B.A.T.M.A.N.] [PATCHv12 1/4] batman-adv: Always flood IGMP/MLD reports Linus Lüssing
2016-04-07 13:03 ` Simon Wunderlich
2016-04-07 13:24 ` Sven Eckelmann
2016-04-10 12:07 ` Linus Lüssing
2016-04-10 12:43 ` Linus Lüssing
2016-04-19 2:12 ` Linus Lüssing
2016-03-16 4:06 ` [B.A.T.M.A.N.] [PATCHv12 2/4] batman-adv: Add multicast optimization support for bridged setups Linus Lüssing
2016-04-07 13:43 ` Sven Eckelmann
2016-04-07 13:50 ` Sven Eckelmann [this message]
2016-04-19 2:22 ` Linus Lüssing
2016-04-24 7:07 ` Sven Eckelmann
2016-03-16 4:06 ` [B.A.T.M.A.N.] [PATCHv12 3/4] batman-adv: Adding logging of mcast flag changes Linus Lüssing
2016-03-16 4:06 ` [B.A.T.M.A.N.] [PATCHv12 4/4] batman-adv: Add debugfs table for mcast flags Linus Lüssing
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