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-rw-r--r--os/hal/platforms/STM32/mac_lld.c2
-rw-r--r--os/hal/platforms/STM32/mac_lld.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/mac_lld.c b/os/hal/platforms/STM32/mac_lld.c
index 2918bb434..72fb2a004 100644
--- a/os/hal/platforms/STM32/mac_lld.c
+++ b/os/hal/platforms/STM32/mac_lld.c
@@ -461,7 +461,7 @@ void mac_lld_release_transmit_descriptor(MACTransmitDescriptor *tdp) {
/* Unlocks the descriptor and returns it to the DMA engine.*/
tdp->physdesc->tdes1 = tdp->offset;
- tdp->physdesc->tdes0 = (STM32_IP_CHECKSUM_OFFLOAD << 22) |
+ tdp->physdesc->tdes0 = STM32_TDES0_CIC(STM32_IP_CHECKSUM_OFFLOAD) |
STM32_TDES0_IC | STM32_TDES0_LS | STM32_TDES0_FS |
STM32_TDES0_TCH | STM32_TDES0_OWN;
diff --git a/os/hal/platforms/STM32/mac_lld.h b/os/hal/platforms/STM32/mac_lld.h
index ffb187bba..81050053c 100644
--- a/os/hal/platforms/STM32/mac_lld.h
+++ b/os/hal/platforms/STM32/mac_lld.h
@@ -84,6 +84,7 @@
#define STM32_TDES0_TTSE 0x02000000
#define STM32_TDES0_LOCKED 0x01000000 /* NOTE: Pseudo flag. */
#define STM32_TDES0_CIC_MASK 0x00C00000
+#define STM32_TDES0_CIC(n) ((n) << 22)
#define STM32_TDES0_TER 0x00200000
#define STM32_TDES0_TCH 0x00100000
#define STM32_TDES0_TTSS 0x00020000