From: "Linus Lüssing" <linus.luessing@web.de>
To: The list for a Better Approach To Mobile Ad-hoc Networking
<b.a.t.m.a.n@lists.open-mesh.org>
Subject: Re: [B.A.T.M.A.N.] [PATCH 07/19] batman-adv: Prepare and send own multicast tracker packets
Date: Sun, 23 Jan 2011 01:52:33 +0100 [thread overview]
Message-ID: <20110123005233.GB19219@Sellars> (raw)
In-Reply-To: <1295659302-7171-8-git-send-email-linus.luessing@saxnet.de>
> +struct tracker_packet_state {
> + int mcast_num, dest_num;
> + struct mcast_entry *mcast_entry;
> + uint8_t *dest_entry;
> + int break_flag;
> +};
> +
> +static void init_state_mcast_entry(struct tracker_packet_state *state,
> + struct mcast_tracker_packet *tracker_packet)
> +{
> + state->mcast_num = 0;
> + state->mcast_entry = (struct mcast_entry *)(tracker_packet + 1);
> + state->dest_entry = (uint8_t *)(state->mcast_entry + 1);
> +}
> +
> +static int check_state_mcast_entry(struct tracker_packet_state *state,
> + struct mcast_tracker_packet *tracker_packet)
> +{
> + if (state->mcast_num < tracker_packet->num_mcast_entries &&
> + !state->break_flag)
> + return 1;
> +
> + return 0;
> +}
> +
> +static void inc_state_mcast_entry(struct tracker_packet_state *state)
> +{
> + state->mcast_num++;
> + state->mcast_entry = (struct mcast_entry *)state->dest_entry;
> + state->dest_entry = (uint8_t *)(state->mcast_entry + 1);
> +}
> +
> +static void init_state_dest_entry(struct tracker_packet_state *state)
> +{
> + state->dest_num = 0;
> + state->break_flag = 1;
> +}
> +
> +static int check_state_dest_entry(struct tracker_packet_state *state)
> +{
> + if (state->dest_num < state->mcast_entry->num_dest)
> + return 1;
> +
> + return 0;
> +}
> +
> +static void inc_state_dest_entry(struct tracker_packet_state *state)
> +{
> + state->dest_num++;
> + state->dest_entry += ETH_ALEN;
> + state->break_flag = 0;
> +}
> +
> +#define tracker_packet_for_each_dest(state, tracker_packet) \
> + for (init_state_mcast_entry(state, tracker_packet); \
> + check_state_mcast_entry(state, tracker_packet); \
> + inc_state_mcast_entry(state)) \
> + for (init_state_dest_entry(state); \
> + check_state_dest_entry(state); \
> + inc_state_dest_entry(state))
Mixed up the logic of the new state.break_flag a little. Might be fixed
upstream (didn't have the time to test it yet). Will be fixed and
tested with next patchset.
Cheers, Linus
next prev parent reply other threads:[~2011-01-23 0:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-22 1:21 [B.A.T.M.A.N.] B.A.T.M.A.N.-Advanced Multicast Optimizations, v2 Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 01/19] batman-adv: Add packet structures for multicast optimizations Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 02/19] batman-adv: Adding configurable variables " Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 03/19] batman-adv: compat macros/defines for local multicast group fetching Linus Lüssing
2011-01-23 0:50 ` Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 04/19] batman-adv: Attach local MCAs to OGMs Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 05/19] batman-adv: Add periodic multicast tracker timer Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 06/19] batman-adv: Buffer other originator's received MCA entries Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 07/19] batman-adv: Prepare and send own multicast tracker packets Linus Lüssing
2011-01-22 22:00 ` Simon Wunderlich
2011-01-30 4:49 ` Linus Lüssing
2011-01-23 0:52 ` Linus Lüssing [this message]
2011-01-23 2:52 ` Simon Wunderlich
2011-01-23 3:00 ` Simon Wunderlich
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 08/19] batman-adv: Add length check for (received) " Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 09/19] batman-adv: Route multicast " Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 10/19] batman-adv: Add/refresh entries to/in mcast forwarding table Linus Lüssing
2011-01-22 22:13 ` Simon Wunderlich
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 11/19] batman-adv: Output mcast forw table in debugfs Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 12/19] batman-adv: Purge timeouted entries in mcast forw table Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 13/19] batman-adv: Send own BAT_MCAST packets in proact_tracking multicast mode Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 14/19] batman-adv: Export broadcast packet ethernet header checks Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 15/19] batman-adv: Receive multicast data packets BAT_MCAST Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 16/19] batman-adv: Forward multicast data in proact_tracking mode Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 17/19] batman-adv: Add duplicate checks for multicast data Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 18/19] batman-adv: Still flood multicast packets we are not a receiver of Linus Lüssing
2011-01-22 1:21 ` [B.A.T.M.A.N.] [PATCH 19/19] batman-adv: Make number of (re)broadcasts configurable via sysfs Linus Lüssing
2011-01-22 16:16 ` [B.A.T.M.A.N.] B.A.T.M.A.N.-Advanced Multicast Optimizations, v2 Linus Lüssing
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