netdev - [PATCH net-next 02/15] sfc: determine flag word automatically in efx_has

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Message-ID: <c4c79b03-b91a-456f-14b5-773328a6c311@solarflare.com>
Date:   Fri, 26 Jun 2020 12:27:56 +0100
From:   Edward Cree <ecree@...arflare.com>
To:     <linux-net-drivers@...arflare.com>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>
Subject: [PATCH net-next 02/15] sfc: determine flag word automatically in
 efx_has_cap()

Now that we have an _OFST definition for each individual flag bit,
 callers of efx_has_cap() don't need to specify which flag word it's
 in; we can just use the flag name directly in MCDI_CAPABILITY_OFST.

Signed-off-by: Edward Cree <ecree@...arflare.com>
---
 drivers/net/ethernet/sfc/mcdi.h         | 5 ++---
 drivers/net/ethernet/sfc/mcdi_filters.c | 8 ++++----
 drivers/net/ethernet/sfc/ptp.c          | 2 +-
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index b107e4c00285..db9746a751d4 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -332,10 +332,9 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
 #define MCDI_CAPABILITY_OFST(field) \
 	MC_CMD_GET_CAPABILITIES_V4_OUT_ ## field ## _OFST
 
-/* field is FLAGS1 or FLAGS2 */
-#define efx_has_cap(efx, flag, field) \
+#define efx_has_cap(efx, field) \
 	efx->type->check_caps(efx, \
-			      MCDI_CAPABILITY(flag), \
+			      MCDI_CAPABILITY(field), \
 			      MCDI_CAPABILITY_OFST(field))
 
 void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);
diff --git a/drivers/net/ethernet/sfc/mcdi_filters.c b/drivers/net/ethernet/sfc/mcdi_filters.c
index 455a62814fb9..7b39a3aa3a1a 100644
--- a/drivers/net/ethernet/sfc/mcdi_filters.c
+++ b/drivers/net/ethernet/sfc/mcdi_filters.c
@@ -828,7 +828,7 @@ static int efx_mcdi_filter_insert_def(struct efx_nic *efx,
 		efx_filter_set_uc_def(&spec);
 
 	if (encap_type) {
-		if (efx_has_cap(efx, VXLAN_NVGRE, FLAGS1))
+		if (efx_has_cap(efx, VXLAN_NVGRE))
 			efx_filter_set_encap_type(&spec, encap_type);
 		else
 			/*
@@ -1304,7 +1304,7 @@ int efx_mcdi_filter_table_probe(struct efx_nic *efx, bool multicast_chaining)
 	rc = efx_mcdi_filter_table_probe_matches(efx, table, false);
 	if (rc)
 		goto fail;
-	if (efx_has_cap(efx, VXLAN_NVGRE, FLAGS1))
+	if (efx_has_cap(efx, VXLAN_NVGRE))
 		rc = efx_mcdi_filter_table_probe_matches(efx, table, true);
 	if (rc)
 		goto fail;
@@ -1927,7 +1927,7 @@ static int efx_mcdi_filter_alloc_rss_context(struct efx_nic *efx, bool exclusive
 		return 0;
 	}
 
-	if (efx_has_cap(efx, RX_RSS_LIMITED, FLAGS1))
+	if (efx_has_cap(efx, RX_RSS_LIMITED))
 		return -EOPNOTSUPP;
 
 	MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
@@ -1948,7 +1948,7 @@ static int efx_mcdi_filter_alloc_rss_context(struct efx_nic *efx, bool exclusive
 	if (context_size)
 		*context_size = rss_spread;
 
-	if (efx_has_cap(efx, ADDITIONAL_RSS_MODES, FLAGS1))
+	if (efx_has_cap(efx, ADDITIONAL_RSS_MODES))
 		efx_mcdi_set_rss_context_flags(efx, ctx);
 
 	return 0;
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 04c7283d205e..15c08cae6ae6 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -352,7 +352,7 @@ static int efx_phc_enable(struct ptp_clock_info *ptp,
 
 bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx)
 {
-	return efx_has_cap(efx, TX_MAC_TIMESTAMPING, FLAGS2);
+	return efx_has_cap(efx, TX_MAC_TIMESTAMPING);
 }
 
 /* PTP 'extra' channel is still a traffic channel, but we only create TX queues