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kernel: ar8xxx: get_arl_table now shows all ports of an entry 

Multicast ARL entries can have multiple destination ports. Get and dump
all destination ports of each entry, not just the lowest.

Signed-off-by: Günther Kelleter <guenther.kelleter@devolo.de>
master
Günther Kelleter 2018-11-26 15:44:31 +01:00 committed by John Crispin
parent be3e69d991
commit 33878b0a40
4 changed files with 13 additions and 19 deletions
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16
target/linux/generic/files/drivers/net/phy/ar8216.c
View File

@ -749,7 +749,6 @@ static void ar8216_get_arl_entry(struct ar8xxx_priv *priv,
u16 r2, page;
u16 r1_func0, r1_func1, r1_func2;
u32 t, val0, val1, val2;
int i;
split_addr(AR8216_REG_ATU_FUNC0, &r1_func0, &r2, &page);
r2 |= 0x10;
@ -785,12 +784,7 @@ static void ar8216_get_arl_entry(struct ar8xxx_priv *priv,
if (!*status)
break;
i = 0;
t = AR8216_ATU_PORT0;
while (!(val2 & t) && ++i < priv->dev.ports)
t <<= 1;
a->port = i;
a->portmap = (val2 & AR8216_ATU_PORTS) >> AR8216_ATU_PORTS_S;
a->mac[0] = (val0 & AR8216_ATU_ADDR5) >> AR8216_ATU_ADDR5_S;
a->mac[1] = (val0 & AR8216_ATU_ADDR4) >> AR8216_ATU_ADDR4_S;
a->mac[2] = (val1 & AR8216_ATU_ADDR3) >> AR8216_ATU_ADDR3_S;
@ -1516,10 +1510,14 @@ ar8xxx_sw_get_arl_table(struct switch_dev *dev,
*/
for (j = 0; j < i; ++j) {
a1 = &priv->arl_table[j];
if (a->port == a1->port && !memcmp(a->mac, a1->mac, sizeof(a->mac)))
if (!memcmp(a->mac, a1->mac, sizeof(a->mac))) {
/* ignore ports already seen in former entry */
a->portmap &= ~a1->portmap;
if (!a->portmap)
goto duplicate;
}
}
}
mutex_unlock(&bus->mdio_lock);
@ -1534,7 +1532,7 @@ ar8xxx_sw_get_arl_table(struct switch_dev *dev,
for (j = 0; j < priv->dev.ports; ++j) {
for (k = 0; k < i; ++k) {
a = &priv->arl_table[k];
if (a->port != j)
if (!(a->portmap & BIT(j)))
continue;
len += snprintf(buf + len, sizeof(priv->arl_buf) - len,
"Port %d: MAC %02x:%02x:%02x:%02x:%02x:%02x\n",

3
target/linux/generic/files/drivers/net/phy/ar8216.h
View File

@ -112,6 +112,7 @@
#define AR8216_REG_ATU_FUNC2 0x0058
#define AR8216_ATU_PORTS BITS(0, 6)
#define AR8216_ATU_PORTS_S 0
#define AR8216_ATU_PORT0 BIT(0)
#define AR8216_ATU_PORT1 BIT(1)
#define AR8216_ATU_PORT2 BIT(2)
@ -367,7 +368,7 @@ enum arl_op {
};
struct arl_entry {
u8 port;
u16 portmap;
u8 mac[6];
};

10
target/linux/generic/files/drivers/net/phy/ar8327.c
View File

@ -1057,8 +1057,7 @@ static void ar8327_get_arl_entry(struct ar8xxx_priv *priv,
struct mii_bus *bus = priv->mii_bus;
u16 r2, page;
u16 r1_data0, r1_data1, r1_data2, r1_func;
u32 t, val0, val1, val2;
int i;
u32 val0, val1, val2;
split_addr(AR8327_REG_ATU_DATA0, &r1_data0, &r2, &page);
r2 |= 0x10;
@ -1095,12 +1094,7 @@ static void ar8327_get_arl_entry(struct ar8xxx_priv *priv,
if (!*status)
break;
i = 0;
t = AR8327_ATU_PORT0;
while (!(val1 & t) && ++i < AR8327_NUM_PORTS)
t <<= 1;
a->port = i;
a->portmap = (val1 & AR8327_ATU_PORTS) >> AR8327_ATU_PORTS_S;
a->mac[0] = (val0 & AR8327_ATU_ADDR0) >> AR8327_ATU_ADDR0_S;
a->mac[1] = (val0 & AR8327_ATU_ADDR1) >> AR8327_ATU_ADDR1_S;
a->mac[2] = (val0 & AR8327_ATU_ADDR2) >> AR8327_ATU_ADDR2_S;

1
target/linux/generic/files/drivers/net/phy/ar8327.h
View File

@ -199,6 +199,7 @@
#define AR8327_ATU_ADDR5 BITS(8, 8)
#define AR8327_ATU_ADDR5_S 8
#define AR8327_ATU_PORTS BITS(16, 7)
#define AR8327_ATU_PORTS_S 16
#define AR8327_ATU_PORT0 BIT(16)
#define AR8327_ATU_PORT1 BIT(17)
#define AR8327_ATU_PORT2 BIT(18)