Messages in this thread | | | Subject | Re: [PATCH] hsr: fix don't prune the master node from the node_db | From | Murali Karicheri <> | Date | Tue, 21 May 2019 11:46:43 -0400 |
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Hi Andreas,
On 05/21/2019 06:52 AM, Andreas Oetken wrote: > Don't prune master node in the hsr_prune_nodes function. > Neither time_in[HSR_PT_SLAVE_A], nor time_in[HSR_PT_SLAVE_B], > will ever be updated by hsr_register_frame_in for the master port. > Thus the master node will be repeatedly pruned leading to > repeated packet loss. > This bug never appeared because the hsr_prune_nodes function > was only called once. Since commit 5150b45fd355 > ("net: hsr: Fix node prune function for forget time expiry") this issue > is fixed unvealing the issue described above. > > Signed-off-by: Andreas Oetken <andreas.oetken@siemens.com> > --- > net/hsr/hsr_framereg.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c > index 9af16cb68f76..317cddda494e 100644 > --- a/net/hsr/hsr_framereg.c > +++ b/net/hsr/hsr_framereg.c > @@ -387,6 +387,14 @@ void hsr_prune_nodes(struct timer_list *t) > > rcu_read_lock(); > list_for_each_entry_rcu(node, &hsr->node_db, mac_list) { > + /* Don't prune own node. Neither time_in[HSR_PT_SLAVE_A] > + * nor time_in[HSR_PT_SLAVE_B], will ever be updated for > + * the master port. Thus the master node will be repeatedly > + * pruned leading to packet loss. > + */ > + if (hsr_addr_is_self(hsr, node->MacAddressA)) This gives me a compilation issue in the latest master branch
AR drivers/base/regmap/built-in.a AR drivers/base/built-in.a net/hsr/hsr_framereg.c: In function ‘hsr_prune_nodes’: net/hsr/hsr_framereg.c:373:35: error: ‘struct hsr_node’ has no member named ‘MacAddressA’; did you mean ‘macaddress_A’? if (hsr_addr_is_self(hsr, node->MacAddressA)) ^~~~~~~~~~~ macaddress_A CC net/core/gen_stats.o scripts/Makefile.build:278: recipe for target 'net/hsr/hsr_framereg.o' failed
Could you address it and re-send?
Thanks
Murali > + continue; > + > /* Shorthand */ > time_a = node->time_in[HSR_PT_SLAVE_A]; > time_b = node->time_in[HSR_PT_SLAVE_B]; >
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