diff options
| author |   Florian Fainelli <f.fainelli@gmail.com> | 2017-01-30 09:48:41 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-01-30 14:49:58 -0500 |
| commit | e1b9147cbdb84cae017f450b34781f4cfc790095 (patch) | |
| tree | a71feb4d1325693b5287f24378d3e6068596555f /drivers/net/dsa | |
| parent | net: dsa: Hook {get,set}_rxnfc ethtool operations (diff) | |
| download | linux-dev-e1b9147cbdb84cae017f450b34781f4cfc790095.tar.xz linux-dev-e1b9147cbdb84cae017f450b34781f4cfc790095.zip | |
net: dsa: bcm_sf2: Configure traffic classes to queue mapping
By default, all traffic goes to queue 0, re-configure the traffic
classes to quality of service mapping such that priority X maps to queue
X, where X is from 0 through 7.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 9 | ||||
| -rw-r--r-- | drivers/net/dsa/bcm_sf2_regs.h | 4 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 8eecfd227e06..637072da3acf 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -229,6 +229,7 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port, { struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); s8 cpu_port = ds->dst[ds->index].cpu_port; + unsigned int i; u32 reg; /* Clear the memory power down */ @@ -240,6 +241,14 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port, if (priv->brcm_tag_mask & BIT(port)) bcm_sf2_brcm_hdr_setup(priv, port); + /* Configure Traffic Class to QoS mapping, allow each priority to map + * to a different queue number + */ + reg = core_readl(priv, CORE_PORT_TC2_QOS_MAP_PORT(port)); + for (i = 0; i < 8; i++) + reg |= i << (PRT_TO_QID_SHIFT * i); + core_writel(priv, reg, CORE_PORT_TC2_QOS_MAP_PORT(port)); + /* Clear the Rx and Tx disable bits and set to no spanning tree */ core_writel(priv, 0, CORE_G_PCTL_PORT(port)); diff --git a/drivers/net/dsa/bcm_sf2_regs.h b/drivers/net/dsa/bcm_sf2_regs.h index 3b33b8010cc8..6b63c00928ba 100644 --- a/drivers/net/dsa/bcm_sf2_regs.h +++ b/drivers/net/dsa/bcm_sf2_regs.h @@ -238,6 +238,10 @@ enum bcm_sf2_reg_offs { #define P_TXQ_PSM_VDD(x) (P_TXQ_PSM_VDD_MASK << \ ((x) * P_TXQ_PSM_VDD_SHIFT)) +#define CORE_PORT_TC2_QOS_MAP_PORT(x) (0xc1c0 + ((x) * 0x10)) +#define PRT_TO_QID_MASK 0x3 +#define PRT_TO_QID_SHIFT 3 + #define CORE_PORT_VLAN_CTL_PORT(x) (0xc400 + ((x) * 0x8)) #define PORT_VLAN_CTRL_MASK 0x1ff |