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Commit 1cd9ecbb authored by Daniel Pieczko's avatar Daniel Pieczko Committed by David S. Miller
Browse files

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: default avatarShradha Shah <sshah@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6d8aaaf6

drivers/net/ethernet/sfc/ef10.c

+22 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/sfc/nic.h

+2 −0
Original line number Diff line number Diff line
@@ -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);