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net: enetc: make enetc_set_rss_key() reusable

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Since the offset of the RSS key registers of i.MX95 ENETC is different
from that of LS1028A, so add enetc_get_rss_key_base() to get the base
offset for the different chips, so that enetc_set_rss_key() can be
reused for this trivial thing.

Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250506080735.3444381-8-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Wei Fang
2025-05-06 16:07:28 +08:00
committed by Jakub Kicinski
parent 66b3fb0011
commit 7e1af4d6e4
6 changed files with 28 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/freescale/enetc/enetc.h
View File

@@ -537,7 +537,7 @@ int enetc_set_mac_flt_entry(struct enetc_si *si, int index,
int enetc_clear_mac_flt_entry(struct enetc_si *si, int index);
int enetc_set_fs_entry(struct enetc_si *si, struct enetc_cmd_rfse *rfse,
int index);
void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes);
void enetc_set_rss_key(struct enetc_si *si, const u8 *bytes);
int enetc_get_rss_table(struct enetc_si *si, u32 *table, int count);
int enetc_set_rss_table(struct enetc_si *si, const u32 *table, int count);
int enetc_send_cmd(struct enetc_si *si, struct enetc_cbd *cbd);

20
drivers/net/ethernet/freescale/enetc/enetc4_pf.c
View File

@@ -418,24 +418,6 @@ static void enetc4_set_trx_frame_size(struct enetc_pf *pf)
enetc4_pf_reset_tc_msdu(&si->hw);
}
static void enetc4_set_rss_key(struct enetc_hw *hw, const u8 *bytes)
{
int i;
for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
enetc_port_wr(hw, ENETC4_PRSSKR(i), ((u32 *)bytes)[i]);
}
static void enetc4_set_default_rss_key(struct enetc_pf *pf)
{
u8 hash_key[ENETC_RSSHASH_KEY_SIZE] = {0};
struct enetc_hw *hw = &pf->si->hw;
/* set up hash key */
get_random_bytes(hash_key, ENETC_RSSHASH_KEY_SIZE);
enetc4_set_rss_key(hw, hash_key);
}
static void enetc4_enable_trx(struct enetc_pf *pf)
{
struct enetc_hw *hw = &pf->si->hw;
@@ -448,7 +430,7 @@ static void enetc4_configure_port(struct enetc_pf *pf)
{
enetc4_configure_port_si(pf);
enetc4_set_trx_frame_size(pf);
enetc4_set_default_rss_key(pf);
enetc_set_default_rss_key(pf);
enetc4_enable_trx(pf);
}

19
drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
View File

@@ -677,6 +677,14 @@ static u32 enetc_get_rxfh_indir_size(struct net_device *ndev)
return priv->si->num_rss;
}
static int enetc_get_rss_key_base(struct enetc_si *si)
{
if (is_enetc_rev1(si))
return ENETC_PRSSK(0);
return ENETC4_PRSSKR(0);
}
static int enetc_get_rxfh(struct net_device *ndev,
struct ethtool_rxfh_param *rxfh)
{
@@ -701,12 +709,14 @@ static int enetc_get_rxfh(struct net_device *ndev,
return err;
}
void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes)
void enetc_set_rss_key(struct enetc_si *si, const u8 *bytes)
{
int base = enetc_get_rss_key_base(si);
struct enetc_hw *hw = &si->hw;
int i;
for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]);
enetc_port_wr(hw, base + i * 4, ((u32 *)bytes)[i]);
}
EXPORT_SYMBOL_GPL(enetc_set_rss_key);
@@ -716,12 +726,11 @@ static int enetc_set_rxfh(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_si *si = priv->si;
struct enetc_hw *hw = &si->hw;
int err = 0;
/* set hash key, if PF */
if (rxfh->key && hw->port)
enetc_set_rss_key(hw, rxfh->key);
if (rxfh->key && enetc_si_is_pf(si))
enetc_set_rss_key(si, rxfh->key);
/* set RSS table */
if (rxfh->indir)

4
drivers/net/ethernet/freescale/enetc/enetc_pf.c
View File

@@ -515,7 +515,6 @@ static void enetc_mac_enable(struct enetc_si *si, bool en)
static void enetc_configure_port(struct enetc_pf *pf)
{
u8 hash_key[ENETC_RSSHASH_KEY_SIZE];
struct enetc_hw *hw = &pf->si->hw;
enetc_configure_port_mac(pf->si);
@@ -523,8 +522,7 @@ static void enetc_configure_port(struct enetc_pf *pf)
enetc_port_si_configure(pf->si);
/* set up hash key */
get_random_bytes(hash_key, ENETC_RSSHASH_KEY_SIZE);
enetc_set_rss_key(hw, hash_key);
enetc_set_default_rss_key(pf);
/* split up RFS entries */
enetc_port_assign_rfs_entries(pf->si);

10
drivers/net/ethernet/freescale/enetc/enetc_pf_common.c
View File

@@ -341,5 +341,15 @@ void enetc_phylink_destroy(struct enetc_ndev_priv *priv)
}
EXPORT_SYMBOL_GPL(enetc_phylink_destroy);
void enetc_set_default_rss_key(struct enetc_pf *pf)
{
u8 hash_key[ENETC_RSSHASH_KEY_SIZE] = {0};
/* set up hash key */
get_random_bytes(hash_key, ENETC_RSSHASH_KEY_SIZE);
enetc_set_rss_key(pf->si, hash_key);
}
EXPORT_SYMBOL_GPL(enetc_set_default_rss_key);
MODULE_DESCRIPTION("NXP ENETC PF common functionality driver");
MODULE_LICENSE("Dual BSD/GPL");

1
drivers/net/ethernet/freescale/enetc/enetc_pf_common.h
View File

@@ -12,6 +12,7 @@ void enetc_mdiobus_destroy(struct enetc_pf *pf);
int enetc_phylink_create(struct enetc_ndev_priv *priv, struct device_node *node,
const struct phylink_mac_ops *ops);
void enetc_phylink_destroy(struct enetc_ndev_priv *priv);
void enetc_set_default_rss_key(struct enetc_pf *pf);
static inline u16 enetc_get_ip_revision(struct enetc_hw *hw)
{