diff options
author | Stefan Chulski <stefanc@marvell.com> | 2021-02-14 16:10:03 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-02-15 13:36:11 -0800 |
commit | 7c29451550cce0b548e58bf22c7822666e6e49af (patch) | |
tree | f8762e0dd0f83f5c11a74ae9ba861abecf49804e /drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | |
parent | net: dsa: sja1105: make devlink property best_effort_vlan_filtering true by default (diff) | |
download | linux-dev-7c29451550cce0b548e58bf22c7822666e6e49af.tar.xz linux-dev-7c29451550cce0b548e58bf22c7822666e6e49af.zip |
net: mvpp2: reduce tx-fifo for loopback port
1KB is enough for loopback port, so 2KB can be distributed
between other ports.
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c')
-rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index d167cfda6e00..ba18782a142d 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7093,8 +7093,8 @@ static void mvpp22_tx_fifo_set_hw(struct mvpp2 *priv, int port, int size) } /* Initialize TX FIFO's: the total FIFO size is 19kB on PPv2.2 and PPv2.3. - * 3kB fixed space must be assigned for the loopback port. - * Redistribute remaining avialable 16kB space among all active ports. + * 1kB fixed space must be assigned for the loopback port. + * Redistribute remaining avialable 18kB space among all active ports. * The 10G interface should use 10kB (which is maximum possible size * per single port). */ @@ -7105,9 +7105,9 @@ static void mvpp22_tx_fifo_init(struct mvpp2 *priv) int size_remainder; int port, size; - /* The loopback requires fixed 3kB of the FIFO space assignment. */ + /* The loopback requires fixed 1kB of the FIFO space assignment. */ mvpp22_tx_fifo_set_hw(priv, MVPP2_LOOPBACK_PORT_INDEX, - MVPP22_TX_FIFO_DATA_SIZE_3KB); + MVPP22_TX_FIFO_DATA_SIZE_1KB); port_map = priv->port_map & ~BIT(MVPP2_LOOPBACK_PORT_INDEX); /* Set TX FIFO size to 0 for inactive ports. */ @@ -7115,7 +7115,7 @@ static void mvpp22_tx_fifo_init(struct mvpp2 *priv) mvpp22_tx_fifo_set_hw(priv, port, 0); /* Assign remaining TX FIFO space among all active ports. */ - size_remainder = MVPP22_TX_FIFO_DATA_SIZE_16KB; + size_remainder = MVPP22_TX_FIFO_DATA_SIZE_18KB; remaining_ports_count = hweight_long(port_map); for_each_set_bit(port, &port_map, MVPP2_LOOPBACK_PORT_INDEX) { |