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net: dsa: bcm_sf2: Advertise number of egress queues

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The switch supports 8 egress queues per port, so indicate that such that
net/dsa/slave.c::dsa_slave_create can allocate the right number of TX queues.
While at it use SF2_NUM_EGRESS_QUEUE as a define for the number of queues we
support.

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 2017-09-03 20:27:02 -07:00 committed by David S. Miller
parent 0f15b09869
commit 1811837739
2 changed files with 7 additions and 1 deletions
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5
drivers/net/dsa/bcm_sf2.c
View file

@ -244,7 +244,7 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port,
* to a different queue number
*/
reg = core_readl(priv, CORE_PORT_TC2_QOS_MAP_PORT(port));
for (i = 0; i < 8; i++)
for (i = 0; i < SF2_NUM_EGRESS_QUEUES; i++)
reg |= i << (PRT_TO_QID_SHIFT * i);
core_writel(priv, reg, CORE_PORT_TC2_QOS_MAP_PORT(port));
@ -1151,6 +1151,9 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
ds = dev->ds;
ds->ops = &bcm_sf2_ops;
/* Advertise the 8 egress queues */
ds->num_tx_queues = SF2_NUM_EGRESS_QUEUES;
dev_set_drvdata(&pdev->dev, priv);
spin_lock_init(&priv->indir_lock);

3
drivers/net/dsa/bcm_sf2_regs.h
View file

@ -401,4 +401,7 @@ enum bcm_sf2_reg_offs {
#define CFP_NUM_RULES 256
/* Number of egress queues per port */
#define SF2_NUM_EGRESS_QUEUES 8
#endif /* __BCM_SF2_REGS_H */