netdev - [PATCH v2 net-next 10/11] sfc_ef100: read pf

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Message-ID: <fe212bed-dc63-564c-b09b-5f63fe6a3558@solarflare.com>
Date:   Fri, 31 Jul 2020 14:01:01 +0100
From:   Edward Cree <ecree@...arflare.com>
To:     <linux-net-drivers@...arflare.com>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>
Subject: [PATCH v2 net-next 10/11] sfc_ef100: read pf_index at probe time

We'll need it later, for VF representors.

Signed-off-by: Edward Cree <ecree@...arflare.com>
---
 drivers/net/ethernet/sfc/ef100_nic.c | 4 ++++
 drivers/net/ethernet/sfc/ef100_nic.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c
index 1c549bc01f61..0872ad0aec33 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -1082,6 +1082,10 @@ static int ef100_probe_main(struct efx_nic *efx)
 	if (rc)
 		goto fail;
 
+	rc = efx_get_pf_index(efx, &nic_data->pf_index);
+	if (rc)
+		goto fail;
+
 	rc = efx_ef100_init_datapath_caps(efx);
 	if (rc < 0)
 		goto fail;
diff --git a/drivers/net/ethernet/sfc/ef100_nic.h b/drivers/net/ethernet/sfc/ef100_nic.h
index 7c2d37490074..4a64c9438493 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.h
+++ b/drivers/net/ethernet/sfc/ef100_nic.h
@@ -63,6 +63,7 @@ struct ef100_nic_data {
 	u32 datapath_caps;
 	u32 datapath_caps2;
 	u32 datapath_caps3;
+	unsigned int pf_index;
 	u16 warm_boot_count;
 	u8 port_id[ETH_ALEN];
 	DECLARE_BITMAP(evq_phases, EFX_MAX_CHANNELS);