sfc: make functions static

Make local functions and variable static. Do some rearrangement
of the string table stuff to put it where it gets used.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sfc/selftest.c

diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index da4473b..0ebfb99 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -48,6 +48,16 @@
 static const char payload_msg[] =
 	"Hello world! This is an Efx loopback test in progress!";
 
+/* Interrupt mode names */
+static const unsigned int efx_interrupt_mode_max = EFX_INT_MODE_MAX;
+static const char *efx_interrupt_mode_names[] = {
+	[EFX_INT_MODE_MSIX]   = "MSI-X",
+	[EFX_INT_MODE_MSI]    = "MSI",
+	[EFX_INT_MODE_LEGACY] = "legacy",
+};
+#define INT_MODE(efx) \
+	STRING_TABLE_LOOKUP(efx->interrupt_mode, efx_interrupt_mode)
+
 /**
  * efx_loopback_state - persistent state during a loopback selftest
  * @flush:		Drop all packets in efx_loopback_rx_packet