diff options
| author |   françois romieu <romieu@fr.zoreil.com> | 2011-08-02 03:53:43 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-08-02 17:08:58 -0700 |
| commit | c28aa38567101bad4e020f4392df41d0bf6c165c (patch) | |
| tree | f8bae264b8d64d0b077badcb334b601868541320 | |
| parent | bnx2x: Prevent restarting Tx during bnx2x_nic_unload (diff) | |
| download | linux-dev-c28aa38567101bad4e020f4392df41d0bf6c165c.tar.xz linux-dev-c28aa38567101bad4e020f4392df41d0bf6c165c.zip | |
r8169 : MAC address change fix for the 8168e-vl.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=39252
Hayes suggested that the usual MAC{0, 4} register writes be completed
with writes to extended GigaMAC registers :
- 0xe0 .. 0xe5
- 0xf2 .. 0xf7
Registers 0xf0 and 0xf1 should be set to 0.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/r8169.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index c77286edba4d..02339b3352e7 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1092,6 +1092,21 @@ rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type) rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type); } +struct exgmac_reg { + u16 addr; + u16 mask; + u32 val; +}; + +static void rtl_write_exgmac_batch(void __iomem *ioaddr, + const struct exgmac_reg *r, int len) +{ + while (len-- > 0) { + rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC); + r++; + } +} + static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr) { u8 value = 0xff; @@ -3117,6 +3132,18 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) RTL_W32(MAC0, low); RTL_R32(MAC0); + if (tp->mac_version == RTL_GIGA_MAC_VER_34) { + const struct exgmac_reg e[] = { + { .addr = 0xe0, ERIAR_MASK_1111, .val = low }, + { .addr = 0xe4, ERIAR_MASK_1111, .val = high }, + { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 }, + { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 | + low >> 16 }, + }; + + rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e)); + } + RTL_W8(Cfg9346, Cfg9346_Lock); spin_unlock_irq(&tp->lock); |