diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/r8169.c | 122 |
1 files changed, 110 insertions, 12 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index dd758cdb55c4..bb8645ab247c 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1632,36 +1632,134 @@ rtl_phy_write_fw(struct rtl8169_private *tp, const struct firmware *fw) { __le32 *phytable = (__le32 *)fw->data; struct net_device *dev = tp->dev; - size_t i; + size_t index, fw_size = fw->size / sizeof(*phytable); + u32 predata, count; if (fw->size % sizeof(*phytable)) { netif_err(tp, probe, dev, "odd sized firmware %zd\n", fw->size); return; } - for (i = 0; i < fw->size / sizeof(*phytable); i++) { - u32 action = le32_to_cpu(phytable[i]); + for (index = 0; index < fw_size; index++) { + u32 action = le32_to_cpu(phytable[index]); + u32 regno = (action & 0x0fff0000) >> 16; - if (!action) + switch(action & 0xf0000000) { + case PHY_READ: + case PHY_DATA_OR: + case PHY_DATA_AND: + case PHY_READ_EFUSE: + case PHY_CLEAR_READCOUNT: + case PHY_WRITE: + case PHY_WRITE_PREVIOUS: + case PHY_DELAY_MS: break; - if ((action & 0xf0000000) != PHY_WRITE) { - netif_err(tp, probe, dev, - "unknown action 0x%08x\n", action); + case PHY_BJMPN: + if (regno > index) { + netif_err(tp, probe, tp->dev, + "Out of range of firmware\n"); + return; + } + break; + case PHY_READCOUNT_EQ_SKIP: + if (index + 2 >= fw_size) { + netif_err(tp, probe, tp->dev, + "Out of range of firmware\n"); + return; + } + break; + case PHY_COMP_EQ_SKIPN: + case PHY_COMP_NEQ_SKIPN: + case PHY_SKIPN: + if (index + 1 + regno >= fw_size) { + netif_err(tp, probe, tp->dev, + "Out of range of firmware\n"); + return; + } + break; + + case PHY_READ_MAC_BYTE: + case PHY_WRITE_MAC_BYTE: + case PHY_WRITE_ERI_WORD: + default: + netif_err(tp, probe, tp->dev, + "Invalid action 0x%08x\n", action); return; } } - while (i-- != 0) { - u32 action = le32_to_cpu(*phytable); + predata = 0; + count = 0; + + for (index = 0; index < fw_size; ) { + u32 action = le32_to_cpu(phytable[index]); u32 data = action & 0x0000ffff; - u32 reg = (action & 0x0fff0000) >> 16; + u32 regno = (action & 0x0fff0000) >> 16; + + if (!action) + break; switch(action & 0xf0000000) { + case PHY_READ: + predata = rtl_readphy(tp, regno); + count++; + index++; + break; + case PHY_DATA_OR: + predata |= data; + index++; + break; + case PHY_DATA_AND: + predata &= data; + index++; + break; + case PHY_BJMPN: + index -= regno; + break; + case PHY_READ_EFUSE: + predata = rtl8168d_efuse_read(tp->mmio_addr, regno); + index++; + break; + case PHY_CLEAR_READCOUNT: + count = 0; + index++; + break; case PHY_WRITE: - rtl_writephy(tp, reg, data); - phytable++; + rtl_writephy(tp, regno, data); + index++; + break; + case PHY_READCOUNT_EQ_SKIP: + if (count == data) + index += 2; + else + index += 1; + break; + case PHY_COMP_EQ_SKIPN: + if (predata == data) + index += regno; + index++; + break; + case PHY_COMP_NEQ_SKIPN: + if (predata != data) + index += regno; + index++; + break; + case PHY_WRITE_PREVIOUS: + rtl_writephy(tp, regno, predata); + index++; break; + case PHY_SKIPN: + index += regno + 1; + break; + case PHY_DELAY_MS: + mdelay(data); + index++; + break; + + case PHY_READ_MAC_BYTE: + case PHY_WRITE_MAC_BYTE: + case PHY_WRITE_ERI_WORD: default: BUG(); } |