sfc: Add workspace for GMAC bug workaround to MCDI MAC_STATS buffer
Due to a hardware bug in the SFC9000 family, the firmware must transfer raw GMAC statistics to host memory before aggregating them into the cooked (speed-independent) MAC statistics. Extend the stats buffer to support this. The length of the buffer is explicit in the MAC_STATS command, so this change is backward-compatible on both sides. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1090,8 +1090,10 @@
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#define MC_CMD_MAC_RX_LANES01_DISP_ERR 57
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#define MC_CMD_MAC_RX_LANES23_DISP_ERR 58
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#define MC_CMD_MAC_RX_MATCH_FAULT 59
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#define MC_CMD_GMAC_DMABUF_START 64
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#define MC_CMD_GMAC_DMABUF_END 95
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/* Insert new members here. */
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#define MC_CMD_MAC_GENERATION_END 60
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#define MC_CMD_MAC_GENERATION_END 96
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#define MC_CMD_MAC_NSTATS (MC_CMD_MAC_GENERATION_END+1)
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/* MC_CMD_MAC_STATS:
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