Bluetooth: controller: Fix CONFIG_BT_CTLR_TX_BUFFER_SIZE range
Fix CONFIG_BT_CTLR_TX_BUFFER_SIZE value range to 251 Bytes due to implementation limitation in use of u8_t for PDU length fields in controller Tx buffers. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
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@ -227,15 +227,15 @@ config BT_CTLR_TX_BUFFERS
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config BT_CTLR_TX_BUFFER_SIZE
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int "Tx buffer size"
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range 27 16384
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range 27 251
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default 27
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help
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Size of the Tx buffers and the value returned in HCI LE Read Buffer
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Size command response. If this size if greater than effective PDU size
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then controller will perform fragmentation before transmitting on the
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the packet on air.
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Maximum is set to 16384 due to implementation limitations (use of
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u16_t for size/length variables).
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Maximum is set to 251 due to implementation limitations (use of
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u8_t for length field in PDU buffer structure).
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choice
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prompt "Tx Power"
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