diff options
author | Luciano Coelho <coelho@ti.com> | 2011-08-12 09:22:58 +0300 |
---|---|---|
committer | Luciano Coelho <coelho@ti.com> | 2011-08-12 09:22:58 +0300 |
commit | 3fcf664c557e691e6bb5618cf42f7d19bf7ae57c (patch) | |
tree | e2fff7497e93c69c00d4ecf6920ebbdd8a0085d8 | |
parent | ea5a7c2cb63a4aea3800d7f869ab785cf96b4b49 (diff) | |
parent | 6f07b72adaeddc9a90306ab4f2237b90967fd3ce (diff) |
Merge branch 'wl12xx-next'wl12xx-2011-08-12
-rw-r--r-- | drivers/net/wireless/wl12xx/boot.c | 13 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/boot.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/rx.c | 39 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/rx.h | 8 |
5 files changed, 57 insertions, 18 deletions
diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c index 5ebc64d8940..a816f2ffa6a 100644 --- a/drivers/net/wireless/wl12xx/boot.c +++ b/drivers/net/wireless/wl12xx/boot.c @@ -549,13 +549,13 @@ static void wl1271_boot_hw_version(struct wl1271 *wl) { u32 fuse; - fuse = wl1271_top_reg_read(wl, REG_FUSE_DATA_2_1); + if (wl->chip.id == CHIP_ID_1283_PG20) + fuse = wl1271_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1); + else + fuse = wl1271_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1); fuse = (fuse & PG_VER_MASK) >> PG_VER_OFFSET; wl->hw_pg_ver = (s8)fuse; - - if (((wl->hw_pg_ver & PG_MAJOR_VER_MASK) >> PG_MAJOR_VER_OFFSET) < 3) - wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; } static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) @@ -696,7 +696,8 @@ static int wl127x_boot_clk(struct wl1271 *wl) u32 pause; u32 clk; - wl1271_boot_hw_version(wl); + if (((wl->hw_pg_ver & PG_MAJOR_VER_MASK) >> PG_MAJOR_VER_OFFSET) < 3) + wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; if (wl->ref_clock == CONF_REF_CLK_19_2_E || wl->ref_clock == CONF_REF_CLK_38_4_E || @@ -750,6 +751,8 @@ int wl1271_load_firmware(struct wl1271 *wl) u32 tmp, clk; int selected_clock = -1; + wl1271_boot_hw_version(wl); + if (wl->chip.id == CHIP_ID_1283_PG20) { ret = wl128x_boot_clk(wl, &selected_clock); if (ret < 0) diff --git a/drivers/net/wireless/wl12xx/boot.h b/drivers/net/wireless/wl12xx/boot.h index e8f8255bbab..06dad9380fa 100644 --- a/drivers/net/wireless/wl12xx/boot.h +++ b/drivers/net/wireless/wl12xx/boot.h @@ -55,7 +55,8 @@ struct wl1271_static_data { #define OCP_REG_CLK_POLARITY 0x0cb2 #define OCP_REG_CLK_PULL 0x0cb4 -#define REG_FUSE_DATA_2_1 0x050a +#define WL127X_REG_FUSE_DATA_2_1 0x050a +#define WL128X_REG_FUSE_DATA_2_1 0x2152 #define PG_VER_MASK 0x3c #define PG_VER_OFFSET 2 diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 3418299e17c..98258fe0e29 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -1395,6 +1395,7 @@ out: int wl1271_plt_start(struct wl1271 *wl) { int retries = WL1271_BOOT_RETRIES; + struct wiphy *wiphy = wl->hw->wiphy; int ret; mutex_lock(&wl->mutex); @@ -1428,6 +1429,11 @@ int wl1271_plt_start(struct wl1271 *wl) wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver_str); + /* update hw/fw version info in wiphy struct */ + wiphy->hw_version = wl->chip.id; + strncpy(wiphy->fw_version, wl->chip.fw_ver_str, + sizeof(wiphy->fw_version)); + goto out; irq_disable: @@ -4126,7 +4132,7 @@ static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, return len; } -static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, +static DEVICE_ATTR(hw_pg_ver, S_IRUGO, wl1271_sysfs_show_hw_pg_ver, NULL); static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, @@ -4522,6 +4528,10 @@ int wl1271_free_hw(struct wl1271 *wl) mutex_unlock(&wl->mutex); device_remove_bin_file(&wl->plat_dev->dev, &fwlog_attr); + + device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); + + device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); platform_device_unregister(wl->plat_dev); free_page((unsigned long)wl->fwlog); dev_kfree_skb(wl->dummy_packet); diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c index 0450fb49dbb..46f4af6ca72 100644 --- a/drivers/net/wireless/wl12xx/rx.c +++ b/drivers/net/wireless/wl12xx/rx.c @@ -38,12 +38,20 @@ static u8 wl1271_rx_get_mem_block(struct wl1271_fw_common_status *status, } static u32 wl1271_rx_get_buf_size(struct wl1271_fw_common_status *status, - u32 drv_rx_counter) + u32 drv_rx_counter) { return (le32_to_cpu(status->rx_pkt_descs[drv_rx_counter]) & RX_BUF_SIZE_MASK) >> RX_BUF_SIZE_SHIFT_DIV; } +static bool wl1271_rx_get_unaligned(struct wl1271_fw_common_status *status, + u32 drv_rx_counter) +{ + /* Convert the value to bool */ + return !!(le32_to_cpu(status->rx_pkt_descs[drv_rx_counter]) & + RX_BUF_UNALIGNED_PAYLOAD); +} + static void wl1271_rx_status(struct wl1271 *wl, struct wl1271_rx_descriptor *desc, struct ieee80211_rx_status *status, @@ -89,7 +97,8 @@ static void wl1271_rx_status(struct wl1271 *wl, } } -static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) +static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, + bool unaligned) { struct wl1271_rx_descriptor *desc; struct sk_buff *skb; @@ -97,6 +106,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) u8 *buf; u8 beacon = 0; u8 is_data = 0; + u8 reserved = unaligned ? NET_IP_ALIGN : 0; /* * In PLT mode we seem to get frames and mac80211 warns about them, @@ -131,17 +141,25 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) return -EINVAL; } - skb = __dev_alloc_skb(length, GFP_KERNEL); + /* skb length not included rx descriptor */ + skb = __dev_alloc_skb(length + reserved - sizeof(*desc), GFP_KERNEL); if (!skb) { wl1271_error("Couldn't allocate RX frame"); return -ENOMEM; } - buf = skb_put(skb, length); - memcpy(buf, data, length); + /* reserve the unaligned payload(if any) */ + skb_reserve(skb, reserved); + + buf = skb_put(skb, length - sizeof(*desc)); - /* now we pull the descriptor out of the buffer */ - skb_pull(skb, sizeof(*desc)); + /* + * Copy packets from aggregation buffer to the skbs without rx + * descriptor and with packet payload aligned care. In case of unaligned + * packets copy the packets in offset of 2 bytes guarantee IP header + * payload aligned to 4 bytes. + */ + memcpy(buf, data + sizeof(*desc), length - sizeof(*desc)); hdr = (struct ieee80211_hdr *)skb->data; if (ieee80211_is_beacon(hdr->frame_control)) @@ -175,6 +193,7 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) u32 pkt_offset; bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); bool had_data = false; + bool unaligned = false; while (drv_rx_counter != fw_rx_counter) { buf_size = 0; @@ -222,6 +241,10 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) while (pkt_offset < buf_size) { pkt_length = wl1271_rx_get_buf_size(status, drv_rx_counter); + + unaligned = wl1271_rx_get_unaligned(status, + drv_rx_counter); + /* * the handle data call can only fail in memory-outage * conditions, in that case the received frame will just @@ -229,7 +252,7 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) */ if (wl1271_rx_handle_data(wl, wl->aggr_buf + pkt_offset, - pkt_length) == 1) + pkt_length, unaligned) == 1) had_data = true; wl->rx_counter++; diff --git a/drivers/net/wireless/wl12xx/rx.h b/drivers/net/wireless/wl12xx/rx.h index c88e3fa1d60..0325b9de612 100644 --- a/drivers/net/wireless/wl12xx/rx.h +++ b/drivers/net/wireless/wl12xx/rx.h @@ -93,9 +93,11 @@ #define WL1271_RX_DESC_MIC_FAIL 0x02 #define WL1271_RX_DESC_DRIVER_RX_Q_FAIL 0x03 -#define RX_MEM_BLOCK_MASK 0xFF -#define RX_BUF_SIZE_MASK 0xFFF00 -#define RX_BUF_SIZE_SHIFT_DIV 6 +#define RX_MEM_BLOCK_MASK 0xFF +#define RX_BUF_SIZE_MASK 0xFFF00 +#define RX_BUF_SIZE_SHIFT_DIV 6 +/* If set, the start of IP payload is not 4 bytes aligned */ +#define RX_BUF_UNALIGNED_PAYLOAD BIT(20) enum { WL12XX_RX_CLASS_UNKNOWN, |