net: cadence_gem: Add Tx descriptor fetch printf
Add a debug printf for TX descriptor fetching. This is helpful to anyone needing to debug TX ring buffer traversal. It is also now consistent with the RX code which has a similar printf. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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@ -880,6 +880,8 @@ static void gem_transmit(GemState *s)
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/* read current descriptor */
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packet_desc_addr = s->tx_desc_addr;
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DB_PRINT("read descriptor 0x%" HWADDR_PRIx "\n", packet_desc_addr);
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cpu_physical_memory_read(packet_desc_addr,
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(uint8_t *)&desc[0], sizeof(desc));
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/* Handle all descriptors owned by hardware */
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@ -962,6 +964,7 @@ static void gem_transmit(GemState *s)
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} else {
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packet_desc_addr += 8;
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}
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DB_PRINT("read descriptor 0x%" HWADDR_PRIx "\n", packet_desc_addr);
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cpu_physical_memory_read(packet_desc_addr,
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(uint8_t *)&desc[0], sizeof(desc));
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}
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