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authorStefan Chulski <stefanc@marvell.com>2021-02-14 16:10:03 +0200
committerDavid S. Miller <davem@davemloft.net>2021-02-15 13:36:11 -0800
commit7c29451550cce0b548e58bf22c7822666e6e49af (patch)
treef8762e0dd0f83f5c11a74ae9ba861abecf49804e /drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
parentnet: dsa: sja1105: make devlink property best_effort_vlan_filtering true by default (diff)
downloadlinux-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.c10
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) {