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authorDaniel Pieczko <dpieczko@solarflare.com>2015-05-06 02:57:53 +0300
committerDavid S. Miller <davem@davemloft.net>2015-05-09 23:16:47 +0300
commit1cd9ecbbe6e9261578510962ad899415053acc1d (patch)
treefd4b67771b4b2e9129e2379e31c8d1327995cf1a /drivers/net
parent6d8aaaf6f7980af1d228061ec08f6411e6bb2344 (diff)
downloadlinux-1cd9ecbbe6e9261578510962ad899415053acc1d.tar.xz
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/sfc/ef10.c22
-rw-r--r--drivers/net/ethernet/sfc/nic.h2
2 files changed, 24 insertions, 0 deletions
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;
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index d7dcc0193200..3ab88401a5fd 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -495,6 +495,7 @@ enum {
* @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
* @vport_id: The function's vport ID, only relevant for PFs
* @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
+ * @pf_index: The number for this PF, or the parent PF if this is a VF
*/
struct efx_ef10_nic_data {
struct efx_buffer mcdi_buf;
@@ -517,6 +518,7 @@ struct efx_ef10_nic_data {
unsigned int tx_dpcpu_fw_id;
unsigned int vport_id;
bool must_probe_vswitching;
+ unsigned int pf_index;
};
int efx_init_sriov(void);