diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c index c80a1a549224..7dafc8c425b8 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c @@ -107,6 +107,19 @@ void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port) mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val); } +static inline u32 mvpp22_rxfh_indir(struct mvpp2_port *port, u32 rxq) +{ + int nrxqs, cpus = num_possible_cpus(); + + /* Number of RXQs per CPU */ + nrxqs = port->nrxqs / cpus; + + /* Indirection to better distribute the paquets on the CPUs when + * configuring the RSS queues. + */ + return port->first_rxq + ((rxq * nrxqs + rxq / cpus) % port->nrxqs); +} + void mvpp22_rss_fill_table(struct mvpp2_port *port, u32 table) { struct mvpp2 *priv = port->priv; @@ -117,7 +130,8 @@ void mvpp22_rss_fill_table(struct mvpp2_port *port, u32 table) MVPP22_RSS_INDEX_TABLE_ENTRY(i); mvpp2_write(priv, MVPP22_RSS_INDEX, sel); - mvpp2_write(priv, MVPP22_RSS_TABLE_ENTRY, port->indir[i]); + mvpp2_write(priv, MVPP22_RSS_TABLE_ENTRY, + mvpp22_rxfh_indir(port, port->indir[i])); } } |