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authorBert Kenward <bkenward@solarflare.com>2016-08-11 13:01:35 +0100
committerDavid S. Miller <davem@davemloft.net>2016-08-12 20:42:19 -0700
commitca889a052c20cad171ff5161c030959e47e84666 (patch)
treef4b22a0a023d34ef504472a1568ceac9378661ff /drivers/net/ethernet/sfc
parent7014d7f672f7dc180d1386239c4f0c455e405ed9 (diff)
sfc: retrieve second word of datapath capabilities
Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc')
-rw-r--r--drivers/net/ethernet/sfc/ef10.c10
-rw-r--r--drivers/net/ethernet/sfc/nic.h3
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index f658fee74f18..fd5d086f53a5 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -177,7 +177,7 @@ static int efx_ef10_get_vf_index(struct efx_nic *efx)
static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
{
- MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_OUT_LEN);
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V2_OUT_LEN);
struct efx_ef10_nic_data *nic_data = efx->nic_data;
size_t outlen;
int rc;
@@ -188,7 +188,7 @@ static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
outbuf, sizeof(outbuf), &outlen);
if (rc)
return rc;
- if (outlen < sizeof(outbuf)) {
+ if (outlen < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
netif_err(efx, drv, efx->net_dev,
"unable to read datapath firmware capabilities\n");
return -EIO;
@@ -197,6 +197,12 @@ static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
nic_data->datapath_caps =
MCDI_DWORD(outbuf, GET_CAPABILITIES_OUT_FLAGS1);
+ if (outlen >= MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)
+ nic_data->datapath_caps2 = MCDI_DWORD(outbuf,
+ GET_CAPABILITIES_V2_OUT_FLAGS2);
+ else
+ nic_data->datapath_caps2 = 0;
+
/* record the DPCPU firmware IDs to determine VEB vswitching support.
*/
nic_data->rx_dpcpu_fw_id =
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index 96944c3c9d14..531c5a8a72c5 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -511,6 +511,8 @@ enum {
* after MC reboot
* @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of
* %MC_CMD_GET_CAPABILITIES response)
+ * @datapath_caps2: Further Capabilities of datapath firmware (FLAGS2 field of
+ * %MC_CMD_GET_CAPABILITIES response)
* @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
* @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
* @vport_id: The function's vport ID, only relevant for PFs
@@ -542,6 +544,7 @@ struct efx_ef10_nic_data {
bool workaround_26807;
bool must_check_datapath_caps;
u32 datapath_caps;
+ u32 datapath_caps2;
unsigned int rx_dpcpu_fw_id;
unsigned int tx_dpcpu_fw_id;
unsigned int vport_id;