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net: r8168: Fix build for Linux v6.9

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For Linux v6.9, the structure 'ethtool_eee' was replaced by
'ethtool_keee' and this new structure uses bitmaps for the structure
fields 'supported', 'advertised' and 'lp_advertised' as opposed to
'u32' types.

A test has been added to the conftest script to detect the presence of
the ethtool_keee structure and so use the definitions generated by
conftest to compile the r8168 accordingly. Note that because the
'supported', 'advertised' and 'lp_advertised' fields are no longer 'u32'
types use the functions mii_eee_cap1_mod_linkmode_t() and
linkmode_to_mii_eee_cap1_t() for working with the bitmap types.

Bug 4471899

Change-Id: I44053d36499261c2aec855ea396bf5654b207ff6
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3110495
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Laxman Dewangan <ldewangan@nvidia.com>
This commit is contained in:
Jon Hunter
2024-04-05 19:38:29 +01:00
committed by mobile promotions
parent b0c580762b
commit 74c60d6681
1 changed files with 30 additions and 0 deletions
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30
drivers/net/ethernet/realtek/r8168_n.c
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@@ -6747,7 +6747,11 @@ static int rtl_nway_reset(struct net_device *dev)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
static int
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
rtl_ethtool_get_eee(struct net_device *net, struct ethtool_keee *eee)
#else
rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *eee)
#endif
{
struct rtl8168_private *tp = netdev_priv(net);
u32 lp, adv, supported = 0;
@@ -6770,14 +6774,26 @@ rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *eee)
rtl8168_mdio_write(tp, 0x1F, 0x0A5C);
val = rtl8168_mdio_read(tp, 0x12);
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
supported = val;
#else
supported = mmd_eee_cap_to_ethtool_sup_t(val);
#endif
rtl8168_mdio_write(tp, 0x1F, 0x0A5D);
val = rtl8168_mdio_read(tp, 0x10);
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
adv = val;
#else
adv = mmd_eee_adv_to_ethtool_adv_t(val);
#endif
val = rtl8168_mdio_read(tp, 0x11);
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
lp = val;
#else
lp = mmd_eee_adv_to_ethtool_adv_t(val);
#endif
val = rtl8168_eri_read(tp, 0x1B0, 2, ERIAR_ExGMAC);
val &= BIT_1 | BIT_0;
@@ -6788,15 +6804,25 @@ rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *eee)
eee->eee_enabled = !!val;
eee->eee_active = !!(supported & adv & lp);
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
mii_eee_cap1_mod_linkmode_t(eee->supported, supported);
mii_eee_cap1_mod_linkmode_t(eee->advertised, adv);
mii_eee_cap1_mod_linkmode_t(eee->lp_advertised, lp);
#else
eee->supported = supported;
eee->advertised = adv;
eee->lp_advertised = lp;
#endif
return 0;
}
static int
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
rtl_ethtool_set_eee(struct net_device *net, struct ethtool_keee *eee)
#else
rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *eee)
#endif
{
struct rtl8168_private *tp = netdev_priv(net);
unsigned long flags;
@@ -6821,7 +6847,11 @@ rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *eee)
}
tp->eee_enabled = eee->eee_enabled;
#if defined(NV_ETHTOOL_KEEE_STRUCT_PRESENT) /* Linux v6.9 */
tp->eee_adv_t = linkmode_to_mii_eee_cap1_t(eee->advertised);
#else
tp->eee_adv_t = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
#endif
if (tp->eee_enabled)
rtl8168_enable_EEE(tp);