sfc: Implement ethtool register dump operation
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h
index b89177c..4317574 100644
--- a/drivers/net/sfc/io.h
+++ b/drivers/net/sfc/io.h
@@ -211,6 +211,13 @@
efx_writed(efx, value, reg + index * sizeof(efx_oword_t));
}
+/* Read from a dword register forming part of a table */
+static inline void efx_readd_table(struct efx_nic *efx, efx_dword_t *value,
+ unsigned int reg, unsigned int index)
+{
+ efx_readd(efx, value, reg + index * sizeof(efx_dword_t));
+}
+
/* Page-mapped register block size */
#define EFX_PAGE_BLOCK_SIZE 0x2000