diff options
| author | Christian Lamparter <chunkeey@web.de> | 2008-11-29 21:35:43 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-05 14:35:44 (GMT) |
| commit | 64c354ddcd65c98d9a1e2a8f7fb5cc80c7fa488e (patch) | |
| tree | ccec32736bbb126b0c0e7d07a66821f7d5525ffa | |
| parent | 25900ef0191af98bbb24d8088c6887af31c1ba27 (diff) | |
| download | linux-64c354ddcd65c98d9a1e2a8f7fb5cc80c7fa488e.tar.xz | |
p54: include support for 2.13.24.0 USB LM87 Firmwares
Those firmwares are probably capable of reprogramming the device's eeprom.
We better support them officially, before all the accidents happen.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/p54/p54common.c | 35 | ||||
| -rw-r--r-- | drivers/net/wireless/p54/p54common.h | 18 |
2 files changed, 42 insertions, 11 deletions
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 6f7e82b..1b5627d 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -739,7 +739,13 @@ static void p54_rx_eeprom_readback(struct ieee80211_hw *dev, if (!priv->eeprom) return ; - memcpy(priv->eeprom, eeprom->data, le16_to_cpu(eeprom->len)); + if (priv->fw_var >= 0x509) { + memcpy(priv->eeprom, eeprom->v2.data, + le16_to_cpu(eeprom->v2.len)); + } else { + memcpy(priv->eeprom, eeprom->v1.data, + le16_to_cpu(eeprom->v1.len)); + } complete(&priv->eeprom_comp); } @@ -940,12 +946,18 @@ int p54_read_eeprom(struct ieee80211_hw *dev) struct p54_hdr *hdr = NULL; struct p54_eeprom_lm86 *eeprom_hdr; struct sk_buff *skb; - size_t eeprom_size = 0x2020, offset = 0, blocksize; + size_t eeprom_size = 0x2020, offset = 0, blocksize, maxblocksize; int ret = -ENOMEM; void *eeprom = NULL; - skb = p54_alloc_skb(dev, 0x8000, sizeof(*hdr) + sizeof(*eeprom_hdr) + - EEPROM_READBACK_LEN, + maxblocksize = EEPROM_READBACK_LEN; + if (priv->fw_var >= 0x509) + maxblocksize -= 0xc; + else + maxblocksize -= 0x4; + + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(*hdr) + + sizeof(*eeprom_hdr) + maxblocksize, P54_CONTROL_TYPE_EEPROM_READBACK, GFP_KERNEL); if (!skb) goto free; @@ -957,12 +969,19 @@ int p54_read_eeprom(struct ieee80211_hw *dev) goto free; eeprom_hdr = (struct p54_eeprom_lm86 *) skb_put(skb, - sizeof(*eeprom_hdr) + EEPROM_READBACK_LEN); + sizeof(*eeprom_hdr) + maxblocksize); while (eeprom_size) { - blocksize = min(eeprom_size, (size_t)EEPROM_READBACK_LEN); - eeprom_hdr->offset = cpu_to_le16(offset); - eeprom_hdr->len = cpu_to_le16(blocksize); + blocksize = min(eeprom_size, maxblocksize); + if (priv->fw_var < 0x509) { + eeprom_hdr->v1.offset = cpu_to_le16(offset); + eeprom_hdr->v1.len = cpu_to_le16(blocksize); + } else { + eeprom_hdr->v2.offset = cpu_to_le32(offset); + eeprom_hdr->v2.len = cpu_to_le16(blocksize); + eeprom_hdr->v2.magic2 = 0xf; + memcpy(eeprom_hdr->v2.magic, (const char *)"LOCK", 4); + } priv->tx(dev, skb, 0); if (!wait_for_completion_interruptible_timeout(&priv->eeprom_comp, HZ)) { diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h index d292ffb..5a68fda 100644 --- a/drivers/net/wireless/p54/p54common.h +++ b/drivers/net/wireless/p54/p54common.h @@ -246,9 +246,21 @@ struct memrecord { }; struct p54_eeprom_lm86 { - __le16 offset; - __le16 len; - u8 data[0]; + union { + struct { + __le16 offset; + __le16 len; + u8 data[0]; + } v1; + struct { + __le32 offset; + __le16 len; + u8 magic2; + u8 pad; + u8 magic[4]; + u8 data[0]; + } v2; + } __attribute__ ((packed)); } __attribute__ ((packed)); enum p54_rx_decrypt_status { |