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ip17xx: Maintain state->remove_tag incrementally

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So far, state->remove_tag was sometimes updated incrementally, sometimes
left to correct_vlan_state() to recalculate. Since I want to avoid use of
correct_vlan_state() for IP175D, this patch fixes the only two remaining
places which leave state->remove_tag inconsistent with state->add_tag
and it drops the recalculation.

Signed-off-by: Martin Mares <mj@ucw.cz>
Signed-off-by: Patrick Horn <patrick.horn@gmail.com>

SVN-Revision: 21717
This commit is contained in:
Gabor Juhos 2010-06-08 20:18:34 +00:00
parent e04dd645f2
commit d08093b8b3
1 changed files with 4 additions and 3 deletions
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7
target/linux/generic-2.6/files/drivers/net/phy/ip175c.c
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@ -696,7 +696,6 @@ static void ip175c_correct_vlan_state(struct ip175c_state *state)
state->ports[i].shareports |= state->vlans[j].ports;
}
}
state->remove_tag = ((~state->add_tag) & ((1<<state->regs->NUM_PORTS)-1));
}
static int ip175c_update_state(struct ip175c_state *state)
@ -742,7 +741,7 @@ static void ip175c_reset_vlan_config(struct ip175c_state *state)
{
int i;
state->remove_tag = 0x0000;
state->remove_tag = (state->vlan_enabled ? ((1<<state->regs->NUM_PORTS)-1) : 0x0000);
state->add_tag = 0x0000;
for (i = 0; i < MAX_VLANS; i++)
state->vlans[i].ports = 0x0000;
@ -821,12 +820,14 @@ static int ip175c_set_ports(struct switch_dev *dev, struct switch_val *val)
state->vlans[val->port_vlan].ports = 0;
for (i = 0; i < val->len; i++) {
int bitmask = (1<<val->value.ports[i].id);
unsigned int bitmask = (1<<val->value.ports[i].id);
state->vlans[val->port_vlan].ports |= bitmask;
if (val->value.ports[i].flags & (1<<SWITCH_PORT_FLAG_TAGGED)) {
state->add_tag |= bitmask;
state->remove_tag &= (~bitmask);
} else {
state->add_tag &= (~bitmask);
state->remove_tag |= bitmask;
}
}