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r8169: remove struct jumbo_ops

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The jumbo_ops are used in just one place, so we can simplify the code
and avoid the penalty of indirect calls in times of retpoline.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2019-05-31 19:54:03 +02:00 committed by David S. Miller
parent 5f9505235b
commit 485bb1b3fa
1 changed files with 37 additions and 61 deletions
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98
drivers/net/ethernet/realtek/r8169.c
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@ -655,11 +655,6 @@ struct rtl8169_private {
const struct rtl_coalesce_info *coalesce_info;
struct clk *clk;
struct jumbo_ops {
void (*enable)(struct rtl8169_private *);
void (*disable)(struct rtl8169_private *);
} jumbo_ops;
void (*hw_start)(struct rtl8169_private *tp);
bool (*tso_csum)(struct rtl8169_private *, struct sk_buff *, u32 *);
@ -4196,24 +4191,6 @@ static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
}
static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
{
if (tp->jumbo_ops.enable) {
rtl_unlock_config_regs(tp);
tp->jumbo_ops.enable(tp);
rtl_lock_config_regs(tp);
}
}
static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
{
if (tp->jumbo_ops.disable) {
rtl_unlock_config_regs(tp);
tp->jumbo_ops.disable(tp);
rtl_lock_config_regs(tp);
}
}
static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
{
RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
@ -4280,55 +4257,56 @@ static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
}
static void rtl_init_jumbo_ops(struct rtl8169_private *tp)
static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
{
struct jumbo_ops *ops = &tp->jumbo_ops;
rtl_unlock_config_regs(tp);
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_11:
ops->disable = r8168b_0_hw_jumbo_disable;
ops->enable = r8168b_0_hw_jumbo_enable;
r8168b_0_hw_jumbo_enable(tp);
break;
case RTL_GIGA_MAC_VER_12:
case RTL_GIGA_MAC_VER_17:
ops->disable = r8168b_1_hw_jumbo_disable;
ops->enable = r8168b_1_hw_jumbo_enable;
r8168b_1_hw_jumbo_enable(tp);
break;
case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
case RTL_GIGA_MAC_VER_19:
case RTL_GIGA_MAC_VER_20:
case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
case RTL_GIGA_MAC_VER_22:
case RTL_GIGA_MAC_VER_23:
case RTL_GIGA_MAC_VER_24:
case RTL_GIGA_MAC_VER_25:
case RTL_GIGA_MAC_VER_26:
ops->disable = r8168c_hw_jumbo_disable;
ops->enable = r8168c_hw_jumbo_enable;
case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
r8168c_hw_jumbo_enable(tp);
break;
case RTL_GIGA_MAC_VER_27:
case RTL_GIGA_MAC_VER_28:
ops->disable = r8168dp_hw_jumbo_disable;
ops->enable = r8168dp_hw_jumbo_enable;
case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
r8168dp_hw_jumbo_enable(tp);
break;
case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
case RTL_GIGA_MAC_VER_32:
case RTL_GIGA_MAC_VER_33:
case RTL_GIGA_MAC_VER_34:
ops->disable = r8168e_hw_jumbo_disable;
ops->enable = r8168e_hw_jumbo_enable;
case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
r8168e_hw_jumbo_enable(tp);
break;
/*
* No action needed for jumbo frames with 8169.
* No jumbo for 810x at all.
*/
case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
default:
ops->disable = NULL;
ops->enable = NULL;
break;
}
rtl_lock_config_regs(tp);
}
static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
{
rtl_unlock_config_regs(tp);
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_11:
r8168b_0_hw_jumbo_disable(tp);
break;
case RTL_GIGA_MAC_VER_12:
case RTL_GIGA_MAC_VER_17:
r8168b_1_hw_jumbo_disable(tp);
break;
case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
r8168c_hw_jumbo_disable(tp);
break;
case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
r8168dp_hw_jumbo_disable(tp);
break;
case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
r8168e_hw_jumbo_disable(tp);
break;
default:
break;
}
rtl_lock_config_regs(tp);
}
DECLARE_RTL_COND(rtl_chipcmd_cond)
@ -7130,8 +7108,6 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_master(pdev);
rtl_init_jumbo_ops(tp);
chipset = tp->mac_version;
rc = rtl_alloc_irq(tp);