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cadence_gem: Add debug msgs for rx desc movement

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Add some helpful messages that show the rx descriptor pointer moving as packets
are rxed.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1ef2eb34dade64d589a69a2bcfd5aaddb7d50164.1360901435.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2013-02-28 18:23:16 +00:00 committed by Peter Maydell
parent 5025388b50
commit 288f1e3f87
1 changed files with 2 additions and 0 deletions
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2
hw/cadence_gem.c
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@ -724,7 +724,9 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
s->rx_desc_addr = last_desc_addr;
if (rx_desc_get_wrap(desc)) {
s->rx_desc_addr = s->regs[GEM_RXQBASE];
DB_PRINT("wrapping RX descriptor list\n");
} else {
DB_PRINT("incrementing RX descriptor list\n");
s->rx_desc_addr += 8;
}