From: Daniel Pieczko <dpieczko@solarflare.com>
Date: Tue, 5 May 2015 23:57:53 +0000 (+0100)
Subject: sfc: get the PF number and record in nic_data
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~134^2~352^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cd9ecbbe6e9261578510962ad899415053acc1d;p=pandora-kernel.git

sfc: get the PF number and record in nic_data

Use MC_CMD_GET_FUNCTION_INFO to record the PF number in nic_data.
This will be needed when assigned vports to VFs.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 91a58962f188..4d6d194dbc4c 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -96,6 +96,24 @@ static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx)
 	return resource_size(&efx->pci_dev->resource[EFX_MEM_BAR]);
 }
 
+static int efx_ef10_get_pf_index(struct efx_nic *efx)
+{
+	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN);
+	struct efx_ef10_nic_data *nic_data = efx->nic_data;
+	size_t outlen;
+	int rc;
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf,
+			  sizeof(outbuf), &outlen);
+	if (rc)
+		return rc;
+	if (outlen < sizeof(outbuf))
+		return -EIO;
+
+	nic_data->pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF);
+	return 0;
+}
+
 static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
 {
 	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_OUT_LEN);
@@ -240,6 +258,10 @@ static int efx_ef10_probe(struct efx_nic *efx)
 	if (rc)
 		goto fail3;
 
+	rc = efx_ef10_get_pf_index(efx);
+	if (rc)
+		goto fail3;
+
 	rc = efx_ef10_init_datapath_caps(efx);
 	if (rc < 0)
 		goto fail3;
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