Merge tag 'v0.4.1' into merge-v0.4.1

Author: datdenkikniet

CHANGELOG.md

@@ -1,6 +1,9 @@
 ## Unreleased
 * Update to `smoltcp` v0.9 [#71](https://github.com/stm32-rs/stm32-eth/pull/71).
 
+## [0.4.1](https://github.com/stm32-rs/stm32-eth/tree/v0.4.1)
+* Fix a bug when caching timestamps in the TX path ([#73](https://github.com/stm32-rs/stm32-eth/pull/73))
+
 ## [0.4.0](https://github.com/stm32-rs/stm32-eth/tree/v0.4.0)
 * Remove the `smi` feature and always enable miim/smi. Use `ieee802_3_miim` for SMI access [#45](https://github.com/stm32-rs/stm32-eth/pull/45)
 * Update stm32f1xx-hal and stm32f4xx-hal to their latests version as of 15-12-2022.

Cargo.toml

@@ -4,7 +4,7 @@ name = "stm32-eth"
 description = "Embedded Rust Ethernet driver for the STM32 MCU series"
 license = "Apache-2.0"
 authors = ["Astro <[email protected]>", "Johannes Draaijer <[email protected]>"]
-version = "0.4.0"
+version = "0.4.1"
 keywords = ["ethernet", "eth", "stm32", "stm32f4", "stm32f7"]
 repository = "https://github.com/stm32-rs/stm32-eth"
 documentation = "https://docs.rs/stm32-eth/"

src/dma/tx.rs

@@ -216,7 +216,12 @@ impl TxRingEntry {
             if packet_id.is_some() {
                 extra_flags |= TXDESC_0_TIMESTAMP_ENABLE | TXDESC_0_LS | TXDESC_0_FS;
             }
+
             self.desc_mut().packet_id = packet_id;
+            #[cfg(feature = "ptp")]
+            // Remove old timestamp data when the packet ID is
+            // changed.
+            self.desc_mut().cached_timestamp.take();
 
             extra_flags |= TXDESC_0_IC;