From 1d199e177e4c009aee0d165ac9033e6838c601a4 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 24 Mar 2012 09:17:35 +0000
Subject: Checksum offload in STM32 MAC driver tested.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4054 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/platforms/STM32/mac_lld.c | 2 +-
 os/hal/platforms/STM32/mac_lld.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

(limited to 'os')

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
-- 
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