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path: root/drivers/net/ieee802154/at86rf230.c
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Diffstat (limited to 'drivers/net/ieee802154/at86rf230.c')
-rw-r--r--drivers/net/ieee802154/at86rf230.c445
1 files changed, 227 insertions, 218 deletions
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index c9d2a752abd7..1c0135620c62 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
@@ -33,10 +29,10 @@
#include <linux/regmap.h>
#include <linux/skbuff.h>
#include <linux/of_gpio.h>
+#include <linux/ieee802154.h>
-#include <net/ieee802154.h>
#include <net/mac802154.h>
-#include <net/wpan-phy.h>
+#include <net/cfg802154.h>
struct at86rf230_local;
/* at86rf2xx chip depend data.
@@ -50,15 +46,11 @@ struct at86rf2xx_chip_data {
u16 t_off_to_tx_on;
u16 t_frame;
u16 t_p_ack;
- /* short interframe spacing time */
- u16 t_sifs;
- /* long interframe spacing time */
- u16 t_lifs;
/* completion timeout for tx in msecs */
u16 t_tx_timeout;
int rssi_base_val;
- int (*set_channel)(struct at86rf230_local *, int, int);
+ int (*set_channel)(struct at86rf230_local *, u8, u8);
int (*get_desense_steps)(struct at86rf230_local *, s32);
};
@@ -74,12 +66,14 @@ struct at86rf230_state_change {
void (*complete)(void *context);
u8 from_state;
u8 to_state;
+
+ bool irq_enable;
};
struct at86rf230_local {
struct spi_device *spi;
- struct ieee802154_dev *dev;
+ struct ieee802154_hw *hw;
struct at86rf2xx_chip_data *data;
struct regmap *regmap;
@@ -89,10 +83,10 @@ struct at86rf230_local {
struct at86rf230_state_change irq;
bool tx_aret;
+ s8 max_frame_retries;
bool is_tx;
/* spinlock for is_tx protection */
spinlock_t lock;
- struct completion tx_complete;
struct sk_buff *tx_skb;
struct at86rf230_state_change tx;
};
@@ -291,10 +285,11 @@ struct at86rf230_local {
#define AT86RF2XX_NUMREGS 0x3F
-static int
+static void
at86rf230_async_state_change(struct at86rf230_local *lp,
struct at86rf230_state_change *ctx,
- const u8 state, void (*complete)(void *context));
+ const u8 state, void (*complete)(void *context),
+ const bool irq_enable);
static inline int
__at86rf230_write(struct at86rf230_local *lp,
@@ -451,7 +446,8 @@ at86rf230_async_error_recover(void *context)
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON, NULL);
+ at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON, NULL, false);
+ ieee802154_wake_queue(lp->hw);
}
static void
@@ -461,21 +457,31 @@ at86rf230_async_error(struct at86rf230_local *lp,
dev_err(&lp->spi->dev, "spi_async error %d\n", rc);
at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF,
- at86rf230_async_error_recover);
+ at86rf230_async_error_recover, false);
}
/* Generic function to get some register value in async mode */
-static int
+static void
at86rf230_async_read_reg(struct at86rf230_local *lp, const u8 reg,
struct at86rf230_state_change *ctx,
- void (*complete)(void *context))
+ void (*complete)(void *context),
+ const bool irq_enable)
{
+ int rc;
+
u8 *tx_buf = ctx->buf;
tx_buf[0] = (reg & CMD_REG_MASK) | CMD_REG;
ctx->trx.len = 2;
ctx->msg.complete = complete;
- return spi_async(lp->spi, &ctx->msg);
+ ctx->irq_enable = irq_enable;
+ rc = spi_async(lp->spi, &ctx->msg);
+ if (rc) {
+ if (irq_enable)
+ enable_irq(lp->spi->irq);
+
+ at86rf230_async_error(lp, ctx, rc);
+ }
}
static void
@@ -512,7 +518,8 @@ at86rf230_async_state_assert(void *context)
if (ctx->to_state == STATE_TX_ON) {
at86rf230_async_state_change(lp, ctx,
STATE_FORCE_TX_ON,
- ctx->complete);
+ ctx->complete,
+ ctx->irq_enable);
return;
}
}
@@ -535,7 +542,6 @@ at86rf230_async_state_delay(void *context)
struct at86rf230_local *lp = ctx->lp;
struct at86rf2xx_chip_data *c = lp->data;
bool force = false;
- int rc;
/* The force state changes are will show as normal states in the
* state status subregister. We change the to_state to the
@@ -604,10 +610,9 @@ at86rf230_async_state_delay(void *context)
udelay(1);
change:
- rc = at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx,
- at86rf230_async_state_assert);
- if (rc)
- dev_err(&lp->spi->dev, "spi_async error %d\n", rc);
+ at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx,
+ at86rf230_async_state_assert,
+ ctx->irq_enable);
}
static void
@@ -622,10 +627,9 @@ at86rf230_async_state_change_start(void *context)
/* Check for "possible" STATE_TRANSITION_IN_PROGRESS */
if (trx_state == STATE_TRANSITION_IN_PROGRESS) {
udelay(1);
- rc = at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx,
- at86rf230_async_state_change_start);
- if (rc)
- dev_err(&lp->spi->dev, "spi_async error %d\n", rc);
+ at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx,
+ at86rf230_async_state_change_start,
+ ctx->irq_enable);
return;
}
@@ -647,20 +651,27 @@ at86rf230_async_state_change_start(void *context)
ctx->trx.len = 2;
ctx->msg.complete = at86rf230_async_state_delay;
rc = spi_async(lp->spi, &ctx->msg);
- if (rc)
- dev_err(&lp->spi->dev, "spi_async error %d\n", rc);
+ if (rc) {
+ if (ctx->irq_enable)
+ enable_irq(lp->spi->irq);
+
+ at86rf230_async_error(lp, &lp->state, rc);
+ }
}
-static int
+static void
at86rf230_async_state_change(struct at86rf230_local *lp,
struct at86rf230_state_change *ctx,
- const u8 state, void (*complete)(void *context))
+ const u8 state, void (*complete)(void *context),
+ const bool irq_enable)
{
/* Initialization for the state change context */
ctx->to_state = state;
ctx->complete = complete;
- return at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx,
- at86rf230_async_state_change_start);
+ ctx->irq_enable = irq_enable;
+ at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx,
+ at86rf230_async_state_change_start,
+ irq_enable);
}
static void
@@ -681,17 +692,16 @@ at86rf230_sync_state_change(struct at86rf230_local *lp, unsigned int state)
{
int rc;
- rc = at86rf230_async_state_change(lp, &lp->state, state,
- at86rf230_sync_state_change_complete);
- if (rc) {
- at86rf230_async_error(lp, &lp->state, rc);
- return rc;
- }
+ at86rf230_async_state_change(lp, &lp->state, state,
+ at86rf230_sync_state_change_complete,
+ false);
rc = wait_for_completion_timeout(&lp->state_complete,
msecs_to_jiffies(100));
- if (!rc)
+ if (!rc) {
+ at86rf230_async_error(lp, &lp->state, -ETIMEDOUT);
return -ETIMEDOUT;
+ }
return 0;
}
@@ -701,8 +711,14 @@ at86rf230_tx_complete(void *context)
{
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
+ struct sk_buff *skb = lp->tx_skb;
+
+ enable_irq(lp->spi->irq);
- complete(&lp->tx_complete);
+ if (lp->max_frame_retries <= 0)
+ ieee802154_xmit_complete(lp->hw, skb, true);
+ else
+ ieee802154_xmit_complete(lp->hw, skb, false);
}
static void
@@ -710,12 +726,9 @@ at86rf230_tx_on(void *context)
{
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- int rc;
- rc = at86rf230_async_state_change(lp, &lp->irq, STATE_RX_AACK_ON,
- at86rf230_tx_complete);
- if (rc)
- at86rf230_async_error(lp, ctx, rc);
+ at86rf230_async_state_change(lp, &lp->irq, STATE_RX_AACK_ON,
+ at86rf230_tx_complete, true);
}
static void
@@ -723,12 +736,9 @@ at86rf230_tx_trac_error(void *context)
{
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- int rc;
- rc = at86rf230_async_state_change(lp, ctx, STATE_TX_ON,
- at86rf230_tx_on);
- if (rc)
- at86rf230_async_error(lp, ctx, rc);
+ at86rf230_async_state_change(lp, ctx, STATE_TX_ON,
+ at86rf230_tx_on, true);
}
static void
@@ -738,17 +748,14 @@ at86rf230_tx_trac_check(void *context)
struct at86rf230_local *lp = ctx->lp;
const u8 *buf = ctx->buf;
const u8 trac = (buf[1] & 0xe0) >> 5;
- int rc;
/* If trac status is different than zero we need to do a state change
* to STATE_FORCE_TRX_OFF then STATE_TX_ON to recover the transceiver
* state to TX_ON.
*/
if (trac) {
- rc = at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF,
- at86rf230_tx_trac_error);
- if (rc)
- at86rf230_async_error(lp, ctx, rc);
+ at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF,
+ at86rf230_tx_trac_error, true);
return;
}
@@ -761,51 +768,29 @@ at86rf230_tx_trac_status(void *context)
{
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- int rc;
- rc = at86rf230_async_read_reg(lp, RG_TRX_STATE, ctx,
- at86rf230_tx_trac_check);
- if (rc)
- at86rf230_async_error(lp, ctx, rc);
+ at86rf230_async_read_reg(lp, RG_TRX_STATE, ctx,
+ at86rf230_tx_trac_check, true);
}
static void
at86rf230_rx(struct at86rf230_local *lp,
- const u8 *data, u8 len)
+ const u8 *data, const u8 len, const u8 lqi)
{
- u8 lqi;
struct sk_buff *skb;
u8 rx_local_buf[AT86RF2XX_MAX_BUF];
- if (len < 2)
- return;
-
- /* read full frame buffer and invalid lqi value to lowest
- * indicator if frame was is in a corrupted state.
- */
- if (len > IEEE802154_MTU) {
- lqi = 0;
- len = IEEE802154_MTU;
- dev_vdbg(&lp->spi->dev, "corrupted frame received\n");
- } else {
- lqi = data[len];
- }
-
memcpy(rx_local_buf, data, len);
enable_irq(lp->spi->irq);
- skb = alloc_skb(IEEE802154_MTU, GFP_ATOMIC);
+ skb = dev_alloc_skb(IEEE802154_MTU);
if (!skb) {
dev_vdbg(&lp->spi->dev, "failed to allocate sk_buff\n");
return;
}
memcpy(skb_put(skb, len), rx_local_buf, len);
-
- /* We do not put CRC into the frame */
- skb_trim(skb, len - 2);
-
- ieee802154_rx_irqsafe(lp->dev, skb, lqi);
+ ieee802154_rx_irqsafe(lp->hw, skb, lqi);
}
static void
@@ -814,20 +799,31 @@ at86rf230_rx_read_frame_complete(void *context)
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
const u8 *buf = lp->irq.buf;
- const u8 len = buf[1];
+ u8 len = buf[1];
+
+ if (!ieee802154_is_valid_psdu_len(len)) {
+ dev_vdbg(&lp->spi->dev, "corrupted frame received\n");
+ len = IEEE802154_MTU;
+ }
- at86rf230_rx(lp, buf + 2, len);
+ at86rf230_rx(lp, buf + 2, len, buf[2 + len]);
}
-static int
+static void
at86rf230_rx_read_frame(struct at86rf230_local *lp)
{
+ int rc;
+
u8 *buf = lp->irq.buf;
buf[0] = CMD_FB;
lp->irq.trx.len = AT86RF2XX_MAX_BUF;
lp->irq.msg.complete = at86rf230_rx_read_frame_complete;
- return spi_async(lp->spi, &lp->irq.msg);
+ rc = spi_async(lp->spi, &lp->irq.msg);
+ if (rc) {
+ enable_irq(lp->spi->irq);
+ at86rf230_async_error(lp, &lp->irq, rc);
+ }
}
static void
@@ -835,7 +831,6 @@ at86rf230_rx_trac_check(void *context)
{
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- int rc;
/* Possible check on trac status here. This could be useful to make
* some stats why receive is failed. Not used at the moment, but it's
@@ -843,34 +838,31 @@ at86rf230_rx_trac_check(void *context)
* The programming guide say do it so.
*/
- rc = at86rf230_rx_read_frame(lp);
- if (rc) {
- enable_irq(lp->spi->irq);
- at86rf230_async_error(lp, ctx, rc);
- }
+ at86rf230_rx_read_frame(lp);
}
-static int
+static void
at86rf230_irq_trx_end(struct at86rf230_local *lp)
{
spin_lock(&lp->lock);
if (lp->is_tx) {
lp->is_tx = 0;
spin_unlock(&lp->lock);
- enable_irq(lp->spi->irq);
if (lp->tx_aret)
- return at86rf230_async_state_change(lp, &lp->irq,
- STATE_FORCE_TX_ON,
- at86rf230_tx_trac_status);
+ at86rf230_async_state_change(lp, &lp->irq,
+ STATE_FORCE_TX_ON,
+ at86rf230_tx_trac_status,
+ true);
else
- return at86rf230_async_state_change(lp, &lp->irq,
- STATE_RX_AACK_ON,
- at86rf230_tx_complete);
+ at86rf230_async_state_change(lp, &lp->irq,
+ STATE_RX_AACK_ON,
+ at86rf230_tx_complete,
+ true);
} else {
spin_unlock(&lp->lock);
- return at86rf230_async_read_reg(lp, RG_TRX_STATE, &lp->irq,
- at86rf230_rx_trac_check);
+ at86rf230_async_read_reg(lp, RG_TRX_STATE, &lp->irq,
+ at86rf230_rx_trac_check, true);
}
}
@@ -881,12 +873,9 @@ at86rf230_irq_status(void *context)
struct at86rf230_local *lp = ctx->lp;
const u8 *buf = lp->irq.buf;
const u8 irq = buf[1];
- int rc;
if (irq & IRQ_TRX_END) {
- rc = at86rf230_irq_trx_end(lp);
- if (rc)
- at86rf230_async_error(lp, ctx, rc);
+ at86rf230_irq_trx_end(lp);
} else {
enable_irq(lp->spi->irq);
dev_err(&lp->spi->dev, "not supported irq %02x received\n",
@@ -901,13 +890,14 @@ static irqreturn_t at86rf230_isr(int irq, void *data)
u8 *buf = ctx->buf;
int rc;
- disable_irq_nosync(lp->spi->irq);
+ disable_irq_nosync(irq);
buf[0] = (RG_IRQ_STATUS & CMD_REG_MASK) | CMD_REG;
ctx->trx.len = 2;
ctx->msg.complete = at86rf230_irq_status;
rc = spi_async(lp->spi, &ctx->msg);
if (rc) {
+ enable_irq(irq);
at86rf230_async_error(lp, ctx, rc);
return IRQ_NONE;
}
@@ -960,22 +950,18 @@ at86rf230_xmit_tx_on(void *context)
{
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- int rc;
- rc = at86rf230_async_state_change(lp, ctx, STATE_TX_ARET_ON,
- at86rf230_write_frame);
- if (rc)
- at86rf230_async_error(lp, ctx, rc);
+ at86rf230_async_state_change(lp, ctx, STATE_TX_ARET_ON,
+ at86rf230_write_frame, false);
}
static int
-at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb)
+at86rf230_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
struct at86rf230_state_change *ctx = &lp->tx;
void (*tx_complete)(void *context) = at86rf230_write_frame;
- int rc;
lp->tx_skb = skb;
@@ -986,61 +972,39 @@ at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb)
if (lp->tx_aret)
tx_complete = at86rf230_xmit_tx_on;
- rc = at86rf230_async_state_change(lp, ctx, STATE_TX_ON,
- tx_complete);
- if (rc) {
- at86rf230_async_error(lp, ctx, rc);
- return rc;
- }
- rc = wait_for_completion_interruptible_timeout(&lp->tx_complete,
- msecs_to_jiffies(lp->data->t_tx_timeout));
- if (!rc) {
- at86rf230_async_error(lp, ctx, rc);
- return -ETIMEDOUT;
- }
-
- /* Interfame spacing time, which is phy depend.
- * TODO
- * Move this handling in MAC 802.15.4 layer.
- * This is currently a workaround to avoid fragmenation issues.
- */
- if (skb->len > 18)
- usleep_range(lp->data->t_lifs, lp->data->t_lifs + 10);
- else
- usleep_range(lp->data->t_sifs, lp->data->t_sifs + 10);
+ at86rf230_async_state_change(lp, ctx, STATE_TX_ON, tx_complete, false);
return 0;
}
static int
-at86rf230_ed(struct ieee802154_dev *dev, u8 *level)
+at86rf230_ed(struct ieee802154_hw *hw, u8 *level)
{
- might_sleep();
BUG_ON(!level);
*level = 0xbe;
return 0;
}
static int
-at86rf230_start(struct ieee802154_dev *dev)
+at86rf230_start(struct ieee802154_hw *hw)
{
- return at86rf230_sync_state_change(dev->priv, STATE_RX_AACK_ON);
+ return at86rf230_sync_state_change(hw->priv, STATE_RX_AACK_ON);
}
static void
-at86rf230_stop(struct ieee802154_dev *dev)
+at86rf230_stop(struct ieee802154_hw *hw)
{
- at86rf230_sync_state_change(dev->priv, STATE_FORCE_TRX_OFF);
+ at86rf230_sync_state_change(hw->priv, STATE_FORCE_TRX_OFF);
}
static int
-at86rf23x_set_channel(struct at86rf230_local *lp, int page, int channel)
+at86rf23x_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
{
return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
}
static int
-at86rf212_set_channel(struct at86rf230_local *lp, int page, int channel)
+at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
{
int rc;
@@ -1061,44 +1025,60 @@ at86rf212_set_channel(struct at86rf230_local *lp, int page, int channel)
if (rc < 0)
return rc;
+ /* This sets the symbol_duration according frequency on the 212.
+ * TODO move this handling while set channel and page in cfg802154.
+ * We can do that, this timings are according 802.15.4 standard.
+ * If we do that in cfg802154, this is a more generic calculation.
+ *
+ * This should also protected from ifs_timer. Means cancel timer and
+ * init with a new value. For now, this is okay.
+ */
+ if (channel == 0) {
+ if (page == 0) {
+ /* SUB:0 and BPSK:0 -> BPSK-20 */
+ lp->hw->phy->symbol_duration = 50;
+ } else {
+ /* SUB:1 and BPSK:0 -> BPSK-40 */
+ lp->hw->phy->symbol_duration = 25;
+ }
+ } else {
+ if (page == 0)
+ /* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */
+ lp->hw->phy->symbol_duration = 40;
+ else
+ /* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */
+ lp->hw->phy->symbol_duration = 16;
+ }
+
+ lp->hw->phy->lifs_period = IEEE802154_LIFS_PERIOD *
+ lp->hw->phy->symbol_duration;
+ lp->hw->phy->sifs_period = IEEE802154_SIFS_PERIOD *
+ lp->hw->phy->symbol_duration;
+
return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
}
static int
-at86rf230_channel(struct ieee802154_dev *dev, int page, int channel)
+at86rf230_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
int rc;
- might_sleep();
-
- if (page < 0 || page > 31 ||
- !(lp->dev->phy->channels_supported[page] & BIT(channel))) {
- WARN_ON(1);
- return -EINVAL;
- }
-
rc = lp->data->set_channel(lp, page, channel);
- if (rc < 0)
- return rc;
-
/* Wait for PLL */
usleep_range(lp->data->t_channel_switch,
lp->data->t_channel_switch + 10);
- dev->phy->current_channel = channel;
- dev->phy->current_page = page;
-
- return 0;
+ return rc;
}
static int
-at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
+at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
struct ieee802154_hw_addr_filt *filt,
unsigned long changed)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
- if (changed & IEEE802515_AFILT_SADDR_CHANGED) {
+ if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
u16 addr = le16_to_cpu(filt->short_addr);
dev_vdbg(&lp->spi->dev,
@@ -1107,7 +1087,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
__at86rf230_write(lp, RG_SHORT_ADDR_1, addr >> 8);
}
- if (changed & IEEE802515_AFILT_PANID_CHANGED) {
+ if (changed & IEEE802154_AFILT_PANID_CHANGED) {
u16 pan = le16_to_cpu(filt->pan_id);
dev_vdbg(&lp->spi->dev,
@@ -1116,7 +1096,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
__at86rf230_write(lp, RG_PAN_ID_1, pan >> 8);
}
- if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) {
+ if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) {
u8 i, addr[8];
memcpy(addr, &filt->ieee_addr, 8);
@@ -1126,7 +1106,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
__at86rf230_write(lp, RG_IEEE_ADDR_0 + i, addr[i]);
}
- if (changed & IEEE802515_AFILT_PANC_CHANGED) {
+ if (changed & IEEE802154_AFILT_PANC_CHANGED) {
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for panc change\n");
if (filt->pan_coord)
@@ -1139,9 +1119,9 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
}
static int
-at86rf230_set_txpower(struct ieee802154_dev *dev, int db)
+at86rf230_set_txpower(struct ieee802154_hw *hw, int db)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
/* typical maximum output is 5dBm with RG_PHY_TX_PWR 0x60, lower five
* bits decrease power in 1dB steps. 0x60 represents extra PA gain of
@@ -1158,17 +1138,17 @@ at86rf230_set_txpower(struct ieee802154_dev *dev, int db)
}
static int
-at86rf230_set_lbt(struct ieee802154_dev *dev, bool on)
+at86rf230_set_lbt(struct ieee802154_hw *hw, bool on)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
return at86rf230_write_subreg(lp, SR_CSMA_LBT_MODE, on);
}
static int
-at86rf230_set_cca_mode(struct ieee802154_dev *dev, u8 mode)
+at86rf230_set_cca_mode(struct ieee802154_hw *hw, u8 mode)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
return at86rf230_write_subreg(lp, SR_CCA_MODE, mode);
}
@@ -1186,9 +1166,9 @@ at86rf23x_get_desens_steps(struct at86rf230_local *lp, s32 level)
}
static int
-at86rf230_set_cca_ed_level(struct ieee802154_dev *dev, s32 level)
+at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 level)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
if (level < lp->data->rssi_base_val || level > 30)
return -EINVAL;
@@ -1198,15 +1178,12 @@ at86rf230_set_cca_ed_level(struct ieee802154_dev *dev, s32 level)
}
static int
-at86rf230_set_csma_params(struct ieee802154_dev *dev, u8 min_be, u8 max_be,
+at86rf230_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be,
u8 retries)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
int rc;
- if (min_be > max_be || max_be > 8 || retries > 5)
- return -EINVAL;
-
rc = at86rf230_write_subreg(lp, SR_MIN_BE, min_be);
if (rc)
return rc;
@@ -1219,15 +1196,13 @@ at86rf230_set_csma_params(struct ieee802154_dev *dev, u8 min_be, u8 max_be,
}
static int
-at86rf230_set_frame_retries(struct ieee802154_dev *dev, s8 retries)
+at86rf230_set_frame_retries(struct ieee802154_hw *hw, s8 retries)
{
- struct at86rf230_local *lp = dev->priv;
+ struct at86rf230_local *lp = hw->priv;
int rc = 0;
- if (retries < -1 || retries > 15)
- return -EINVAL;
-
lp->tx_aret = retries >= 0;
+ lp->max_frame_retries = retries;
if (retries >= 0)
rc = at86rf230_write_subreg(lp, SR_MAX_FRAME_RETRIES, retries);
@@ -1235,9 +1210,36 @@ at86rf230_set_frame_retries(struct ieee802154_dev *dev, s8 retries)
return rc;
}
-static struct ieee802154_ops at86rf230_ops = {
+static int
+at86rf230_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on)
+{
+ struct at86rf230_local *lp = hw->priv;
+ int rc;
+
+ if (on) {
+ rc = at86rf230_write_subreg(lp, SR_AACK_DIS_ACK, 1);
+ if (rc < 0)
+ return rc;
+
+ rc = at86rf230_write_subreg(lp, SR_AACK_PROM_MODE, 1);
+ if (rc < 0)
+ return rc;
+ } else {
+ rc = at86rf230_write_subreg(lp, SR_AACK_PROM_MODE, 0);
+ if (rc < 0)
+ return rc;
+
+ rc = at86rf230_write_subreg(lp, SR_AACK_DIS_ACK, 0);
+ if (rc < 0)
+ return rc;
+ }
+
+ return 0;
+}
+
+static const struct ieee802154_ops at86rf230_ops = {
.owner = THIS_MODULE,
- .xmit = at86rf230_xmit,
+ .xmit_async = at86rf230_xmit,
.ed = at86rf230_ed,
.set_channel = at86rf230_channel,
.start = at86rf230_start,
@@ -1249,6 +1251,7 @@ static struct ieee802154_ops at86rf230_ops = {
.set_cca_ed_level = at86rf230_set_cca_ed_level,
.set_csma_params = at86rf230_set_csma_params,
.set_frame_retries = at86rf230_set_frame_retries,
+ .set_promiscuous_mode = at86rf230_set_promiscuous_mode,
};
static struct at86rf2xx_chip_data at86rf233_data = {
@@ -1259,8 +1262,6 @@ static struct at86rf2xx_chip_data at86rf233_data = {
.t_off_to_tx_on = 80,
.t_frame = 4096,
.t_p_ack = 545,
- .t_sifs = 192,
- .t_lifs = 480,
.t_tx_timeout = 2000,
.rssi_base_val = -91,
.set_channel = at86rf23x_set_channel,
@@ -1275,8 +1276,6 @@ static struct at86rf2xx_chip_data at86rf231_data = {
.t_off_to_tx_on = 110,
.t_frame = 4096,
.t_p_ack = 545,
- .t_sifs = 192,
- .t_lifs = 480,
.t_tx_timeout = 2000,
.rssi_base_val = -91,
.set_channel = at86rf23x_set_channel,
@@ -1291,8 +1290,6 @@ static struct at86rf2xx_chip_data at86rf212_data = {
.t_off_to_tx_on = 200,
.t_frame = 4096,
.t_p_ack = 545,
- .t_sifs = 192,
- .t_lifs = 480,
.t_tx_timeout = 2000,
.rssi_base_val = -100,
.set_channel = at86rf212_set_channel,
@@ -1354,7 +1351,11 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
return -EINVAL;
}
- return 0;
+ /* Force setting slotted operation bit to 0. Sometimes the atben
+ * sets this bit and I don't know why. We set this always force
+ * to zero while probing.
+ */
+ return at86rf230_write_subreg(lp, SR_SLOTTED_OPERATION, 0);
}
static struct at86rf230_platform_data *
@@ -1409,9 +1410,10 @@ at86rf230_detect_device(struct at86rf230_local *lp)
return -EINVAL;
}
- lp->dev->extra_tx_headroom = 0;
- lp->dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
- IEEE802154_HW_TXPOWER | IEEE802154_HW_CSMA;
+ lp->hw->extra_tx_headroom = 0;
+ lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AACK |
+ IEEE802154_HW_TXPOWER | IEEE802154_HW_ARET |
+ IEEE802154_HW_AFILT | IEEE802154_HW_PROMISCUOUS;
switch (part) {
case 2:
@@ -1421,15 +1423,19 @@ at86rf230_detect_device(struct at86rf230_local *lp)
case 3:
chip = "at86rf231";
lp->data = &at86rf231_data;
- lp->dev->phy->channels_supported[0] = 0x7FFF800;
+ lp->hw->phy->channels_supported[0] = 0x7FFF800;
+ lp->hw->phy->current_channel = 11;
+ lp->hw->phy->symbol_duration = 16;
break;
case 7:
chip = "at86rf212";
if (version == 1) {
lp->data = &at86rf212_data;
- lp->dev->flags |= IEEE802154_HW_LBT;
- lp->dev->phy->channels_supported[0] = 0x00007FF;
- lp->dev->phy->channels_supported[2] = 0x00007FF;
+ lp->hw->flags |= IEEE802154_HW_LBT;
+ lp->hw->phy->channels_supported[0] = 0x00007FF;
+ lp->hw->phy->channels_supported[2] = 0x00007FF;
+ lp->hw->phy->current_channel = 5;
+ lp->hw->phy->symbol_duration = 25;
} else {
rc = -ENOTSUPP;
}
@@ -1437,7 +1443,9 @@ at86rf230_detect_device(struct at86rf230_local *lp)
case 11:
chip = "at86rf233";
lp->data = &at86rf233_data;
- lp->dev->phy->channels_supported[0] = 0x7FFF800;
+ lp->hw->phy->channels_supported[0] = 0x7FFF800;
+ lp->hw->phy->current_channel = 13;
+ lp->hw->phy->symbol_duration = 16;
break;
default:
chip = "unkown";
@@ -1478,7 +1486,7 @@ at86rf230_setup_spi_messages(struct at86rf230_local *lp)
static int at86rf230_probe(struct spi_device *spi)
{
struct at86rf230_platform_data *pdata;
- struct ieee802154_dev *dev;
+ struct ieee802154_hw *hw;
struct at86rf230_local *lp;
unsigned int status;
int rc, irq_type;
@@ -1517,14 +1525,16 @@ static int at86rf230_probe(struct spi_device *spi)
usleep_range(120, 240);
}
- dev = ieee802154_alloc_device(sizeof(*lp), &at86rf230_ops);
- if (!dev)
+ hw = ieee802154_alloc_hw(sizeof(*lp), &at86rf230_ops);
+ if (!hw)
return -ENOMEM;
- lp = dev->priv;
- lp->dev = dev;
+ lp = hw->priv;
+ lp->hw = hw;
lp->spi = spi;
- dev->parent = &spi->dev;
+ hw->parent = &spi->dev;
+ hw->vif_data_size = sizeof(*lp);
+ ieee802154_random_extended_addr(&hw->phy->perm_extended_addr);
lp->regmap = devm_regmap_init_spi(spi, &at86rf230_regmap_spi_config);
if (IS_ERR(lp->regmap)) {
@@ -1541,7 +1551,6 @@ static int at86rf230_probe(struct spi_device *spi)
goto free_dev;
spin_lock_init(&lp->lock);
- init_completion(&lp->tx_complete);
init_completion(&lp->state_complete);
spi_set_drvdata(spi, lp);
@@ -1564,14 +1573,14 @@ static int at86rf230_probe(struct spi_device *spi)
if (rc)
goto free_dev;
- rc = ieee802154_register_device(lp->dev);
+ rc = ieee802154_register_hw(lp->hw);
if (rc)
goto free_dev;
return rc;
free_dev:
- ieee802154_free_device(lp->dev);
+ ieee802154_free_hw(lp->hw);
return rc;
}
@@ -1582,8 +1591,8 @@ static int at86rf230_remove(struct spi_device *spi)
/* mask all at86rf230 irq's */
at86rf230_write_subreg(lp, SR_IRQ_MASK, 0);
- ieee802154_unregister_device(lp->dev);
- ieee802154_free_device(lp->dev);
+ ieee802154_unregister_hw(lp->hw);
+ ieee802154_free_hw(lp->hw);
dev_dbg(&spi->dev, "unregistered at86rf230\n");
return 0;