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net: dsa: define port types

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Introduce an enumerated type for ports, which will be way more explicit
to identify a port type instead of digging into switch port masks.

A port can be of type CPU, DSA, user, or unused by default. This is a
static parsed information that cannot be changed at runtime.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot
2017-10-26 11:22:57 -04:00
committed by David S. Miller
parent 02bc6e546e
commit 057cad2c59
3 changed files with 16 additions and 0 deletions
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6
net/dsa/legacy.c
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@@ -101,6 +101,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds,
struct dsa_chip_data *cd = ds->cd;
bool valid_name_found = false;
int index = ds->index;
struct dsa_port *dp;
int i, ret;
/*
@@ -109,6 +110,8 @@ static int dsa_switch_setup_one(struct dsa_switch *ds,
for (i = 0; i < ds->num_ports; i++) {
char *name;
dp = &ds->ports[i];
name = cd->port_names[i];
if (name == NULL)
continue;
@@ -122,10 +125,13 @@ static int dsa_switch_setup_one(struct dsa_switch *ds,
dst->cpu_dp = &ds->ports[i];
dst->cpu_dp->master = master;
ds->cpu_port_mask |= 1 << i;
dp->type = DSA_PORT_TYPE_CPU;
} else if (!strcmp(name, "dsa")) {
ds->dsa_port_mask |= 1 << i;
dp->type = DSA_PORT_TYPE_DSA;
} else {
ds->enabled_port_mask |= 1 << i;
dp->type = DSA_PORT_TYPE_USER;
}
valid_name_found = true;
}