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linux-sg2042
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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>
This commit is contained in:
Daniel Pieczko 2015-05-06 00:57:53 +01:00 committed by David S. Miller
parent 6d8aaaf6f7
commit 1cd9ecbbe6
2 changed files with 24 additions and 0 deletions
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22
drivers/net/ethernet/sfc/ef10.c
View File

@ -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;

2
drivers/net/ethernet/sfc/nic.h
View File

@ -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);