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net: systemport: Only inspect valid switch port & queues

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Hesoteric board configurations where port 0 is not available would still
make SYSTEMPORT inspect the switch port 0, queue 0, which, not being
enabled, would cause transmit timeouts over time. Just ignore those
unconfigured rings instead.

Fixes: 84ff33eeb23d ("net: systemport: Establish DSA network device queue mapping")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2017-11-01 11:29:47 -07:00
committed by David S. Miller
parent 9681ab0667
commit 3ded76a8ff
2 changed files with 8 additions and 2 deletions
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drivers/net/ethernet/broadcom/bcmsysport.h
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@@ -714,6 +714,7 @@ struct bcm_sysport_tx_ring {
unsigned long bytes; /* bytes statistics */
unsigned int switch_queue; /* switch port queue number */
unsigned int switch_port; /* switch port queue number */
bool inspect; /* inspect switch port and queue */
};
/* Driver private structure */