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path: root/drivers/net/ethernet/sfc/siena_sriov.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/siena_sriov.c')
-rw-r--r--drivers/net/ethernet/sfc/siena_sriov.c156
1 files changed, 88 insertions, 68 deletions
diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c
index fe83430796fd..da7b94f34604 100644
--- a/drivers/net/ethernet/sfc/siena_sriov.c
+++ b/drivers/net/ethernet/sfc/siena_sriov.c
@@ -16,6 +16,7 @@
#include "filter.h"
#include "mcdi_pcol.h"
#include "farch_regs.h"
+#include "siena_sriov.h"
#include "vfdi.h"
/* Number of longs required to track all the VIs in a VF */
@@ -38,7 +39,7 @@ enum efx_vf_tx_filter_mode {
};
/**
- * struct efx_vf - Back-end resource and protocol state for a PCI VF
+ * struct siena_vf - Back-end resource and protocol state for a PCI VF
* @efx: The Efx NIC owning this VF
* @pci_rid: The PCI requester ID for this VF
* @pci_name: The PCI name (formatted address) of this VF
@@ -83,7 +84,7 @@ enum efx_vf_tx_filter_mode {
* @rxq_retry_count: Number of receive queues in @rxq_retry_mask.
* @reset_work: Work item to schedule a VF reset.
*/
-struct efx_vf {
+struct siena_vf {
struct efx_nic *efx;
unsigned int pci_rid;
char pci_name[13]; /* dddd:bb:dd.f */
@@ -189,7 +190,7 @@ MODULE_PARM_DESC(max_vfs,
*/
static struct workqueue_struct *vfdi_workqueue;
-static unsigned abs_index(struct efx_vf *vf, unsigned index)
+static unsigned abs_index(struct siena_vf *vf, unsigned index)
{
return EFX_VI_BASE + vf->index * efx_vf_size(vf->efx) + index;
}
@@ -207,8 +208,8 @@ static int efx_siena_sriov_cmd(struct efx_nic *efx, bool enable,
MCDI_SET_DWORD(inbuf, SRIOV_IN_VI_BASE, EFX_VI_BASE);
MCDI_SET_DWORD(inbuf, SRIOV_IN_VF_COUNT, efx->vf_count);
- rc = efx_mcdi_rpc(efx, MC_CMD_SRIOV, inbuf, MC_CMD_SRIOV_IN_LEN,
- outbuf, MC_CMD_SRIOV_OUT_LEN, &outlen);
+ rc = efx_mcdi_rpc_quiet(efx, MC_CMD_SRIOV, inbuf, MC_CMD_SRIOV_IN_LEN,
+ outbuf, MC_CMD_SRIOV_OUT_LEN, &outlen);
if (rc)
return rc;
if (outlen < MC_CMD_SRIOV_OUT_LEN)
@@ -299,7 +300,7 @@ out:
/* The TX filter is entirely controlled by this driver, and is modified
* underneath the feet of the VF
*/
-static void efx_siena_sriov_reset_tx_filter(struct efx_vf *vf)
+static void efx_siena_sriov_reset_tx_filter(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct efx_filter_spec filter;
@@ -343,7 +344,7 @@ static void efx_siena_sriov_reset_tx_filter(struct efx_vf *vf)
}
/* The RX filter is managed here on behalf of the VF driver */
-static void efx_siena_sriov_reset_rx_filter(struct efx_vf *vf)
+static void efx_siena_sriov_reset_rx_filter(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct efx_filter_spec filter;
@@ -382,7 +383,7 @@ static void efx_siena_sriov_reset_rx_filter(struct efx_vf *vf)
}
}
-static void __efx_siena_sriov_update_vf_addr(struct efx_vf *vf)
+static void __efx_siena_sriov_update_vf_addr(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct siena_nic_data *nic_data = efx->nic_data;
@@ -397,7 +398,7 @@ static void __efx_siena_sriov_update_vf_addr(struct efx_vf *vf)
* local_page_list, either by acquiring local_lock or by running from
* efx_siena_sriov_peer_work()
*/
-static void __efx_siena_sriov_push_vf_status(struct efx_vf *vf)
+static void __efx_siena_sriov_push_vf_status(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct siena_nic_data *nic_data = efx->nic_data;
@@ -509,8 +510,9 @@ static bool bad_buf_count(unsigned buf_count, unsigned max_entry_count)
* Optionally set VF index and VI index within the VF.
*/
static bool map_vi_index(struct efx_nic *efx, unsigned abs_index,
- struct efx_vf **vf_out, unsigned *rel_index_out)
+ struct siena_vf **vf_out, unsigned *rel_index_out)
{
+ struct siena_nic_data *nic_data = efx->nic_data;
unsigned vf_i;
if (abs_index < EFX_VI_BASE)
@@ -520,13 +522,13 @@ static bool map_vi_index(struct efx_nic *efx, unsigned abs_index,
return true;
if (vf_out)
- *vf_out = efx->vf + vf_i;
+ *vf_out = nic_data->vf + vf_i;
if (rel_index_out)
*rel_index_out = abs_index % efx_vf_size(efx);
return false;
}
-static int efx_vfdi_init_evq(struct efx_vf *vf)
+static int efx_vfdi_init_evq(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct vfdi_req *req = vf->buf.addr;
@@ -567,7 +569,7 @@ static int efx_vfdi_init_evq(struct efx_vf *vf)
return VFDI_RC_SUCCESS;
}
-static int efx_vfdi_init_rxq(struct efx_vf *vf)
+static int efx_vfdi_init_rxq(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct vfdi_req *req = vf->buf.addr;
@@ -608,7 +610,7 @@ static int efx_vfdi_init_rxq(struct efx_vf *vf)
return VFDI_RC_SUCCESS;
}
-static int efx_vfdi_init_txq(struct efx_vf *vf)
+static int efx_vfdi_init_txq(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct vfdi_req *req = vf->buf.addr;
@@ -655,7 +657,7 @@ static int efx_vfdi_init_txq(struct efx_vf *vf)
}
/* Returns true when efx_vfdi_fini_all_queues should wake */
-static bool efx_vfdi_flush_wake(struct efx_vf *vf)
+static bool efx_vfdi_flush_wake(struct siena_vf *vf)
{
/* Ensure that all updates are visible to efx_vfdi_fini_all_queues() */
smp_mb();
@@ -664,7 +666,7 @@ static bool efx_vfdi_flush_wake(struct efx_vf *vf)
atomic_read(&vf->rxq_retry_count);
}
-static void efx_vfdi_flush_clear(struct efx_vf *vf)
+static void efx_vfdi_flush_clear(struct siena_vf *vf)
{
memset(vf->txq_mask, 0, sizeof(vf->txq_mask));
vf->txq_count = 0;
@@ -674,7 +676,7 @@ static void efx_vfdi_flush_clear(struct efx_vf *vf)
atomic_set(&vf->rxq_retry_count, 0);
}
-static int efx_vfdi_fini_all_queues(struct efx_vf *vf)
+static int efx_vfdi_fini_all_queues(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
efx_oword_t reg;
@@ -757,7 +759,7 @@ static int efx_vfdi_fini_all_queues(struct efx_vf *vf)
return timeout ? 0 : VFDI_RC_ETIMEDOUT;
}
-static int efx_vfdi_insert_filter(struct efx_vf *vf)
+static int efx_vfdi_insert_filter(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct siena_nic_data *nic_data = efx->nic_data;
@@ -789,7 +791,7 @@ static int efx_vfdi_insert_filter(struct efx_vf *vf)
return VFDI_RC_SUCCESS;
}
-static int efx_vfdi_remove_all_filters(struct efx_vf *vf)
+static int efx_vfdi_remove_all_filters(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct siena_nic_data *nic_data = efx->nic_data;
@@ -801,7 +803,7 @@ static int efx_vfdi_remove_all_filters(struct efx_vf *vf)
return VFDI_RC_SUCCESS;
}
-static int efx_vfdi_set_status_page(struct efx_vf *vf)
+static int efx_vfdi_set_status_page(struct siena_vf *vf)
{
struct efx_nic *efx = vf->efx;
struct siena_nic_data *nic_data = efx->nic_data;
@@ -846,7 +848,7 @@ static int efx_vfdi_set_status_page(struct efx_vf *vf)
return VFDI_RC_SUCCESS;
}
-static int efx_vfdi_clear_status_page(struct efx_vf *vf)
+static int efx_vfdi_clear_status_page(struct siena_vf *vf)
{
mutex_lock(&vf->status_lock);
vf->status_addr = 0;
@@ -855,7 +857,7 @@ static int efx_vfdi_clear_status_page(struct efx_vf *vf)
return VFDI_RC_SUCCESS;
}
-typedef int (*efx_vfdi_op_t)(struct efx_vf *vf);
+typedef int (*efx_vfdi_op_t)(struct siena_vf *vf);
static const efx_vfdi_op_t vfdi_ops[VFDI_OP_LIMIT] = {
[VFDI_OP_INIT_EVQ] = efx_vfdi_init_evq,
@@ -870,7 +872,7 @@ static const efx_vfdi_op_t vfdi_ops[VFDI_OP_LIMIT] = {
static void efx_siena_sriov_vfdi(struct work_struct *work)
{
- struct efx_vf *vf = container_of(work, struct efx_vf, req);
+ struct siena_vf *vf = container_of(work, struct siena_vf, req);
struct efx_nic *efx = vf->efx;
struct vfdi_req *req = vf->buf.addr;
struct efx_memcpy_req copy[2];
@@ -936,7 +938,8 @@ static void efx_siena_sriov_vfdi(struct work_struct *work)
* event ring in guest memory with VFDI reset events, then (re-initialise) the
* event queue to raise an interrupt. The guest driver will then recover.
*/
-static void efx_siena_sriov_reset_vf(struct efx_vf *vf,
+
+static void efx_siena_sriov_reset_vf(struct siena_vf *vf,
struct efx_buffer *buffer)
{
struct efx_nic *efx = vf->efx;
@@ -1006,7 +1009,7 @@ static void efx_siena_sriov_reset_vf(struct efx_vf *vf,
static void efx_siena_sriov_reset_vf_work(struct work_struct *work)
{
- struct efx_vf *vf = container_of(work, struct efx_vf, req);
+ struct siena_vf *vf = container_of(work, struct siena_vf, req);
struct efx_nic *efx = vf->efx;
struct efx_buffer buf;
@@ -1055,8 +1058,10 @@ void efx_siena_sriov_probe(struct efx_nic *efx)
if (!max_vfs)
return;
- if (efx_siena_sriov_cmd(efx, false, &efx->vi_scale, &count))
+ if (efx_siena_sriov_cmd(efx, false, &efx->vi_scale, &count)) {
+ netif_info(efx, probe, efx->net_dev, "no SR-IOV VFs probed\n");
return;
+ }
if (count > 0 && count > max_vfs)
count = max_vfs;
@@ -1077,7 +1082,7 @@ static void efx_siena_sriov_peer_work(struct work_struct *data)
peer_work);
struct efx_nic *efx = nic_data->efx;
struct vfdi_status *vfdi_status = nic_data->vfdi_status.addr;
- struct efx_vf *vf;
+ struct siena_vf *vf;
struct efx_local_addr *local_addr;
struct vfdi_endpoint *peer;
struct efx_endpoint_page *epp;
@@ -1099,7 +1104,7 @@ static void efx_siena_sriov_peer_work(struct work_struct *data)
peer_space = ARRAY_SIZE(vfdi_status->peers) - 1;
peer_count = 1;
for (pos = 0; pos < efx->vf_count; ++pos) {
- vf = efx->vf + pos;
+ vf = nic_data->vf + pos;
mutex_lock(&vf->status_lock);
if (vf->rx_filtering && !is_zero_ether_addr(vf->addr.mac_addr)) {
@@ -1155,7 +1160,7 @@ static void efx_siena_sriov_peer_work(struct work_struct *data)
/* Finally, push the pages */
for (pos = 0; pos < efx->vf_count; ++pos) {
- vf = efx->vf + pos;
+ vf = nic_data->vf + pos;
mutex_lock(&vf->status_lock);
if (vf->status_addr)
@@ -1190,14 +1195,16 @@ static void efx_siena_sriov_free_local(struct efx_nic *efx)
static int efx_siena_sriov_vf_alloc(struct efx_nic *efx)
{
unsigned index;
- struct efx_vf *vf;
+ struct siena_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
- efx->vf = kzalloc(sizeof(struct efx_vf) * efx->vf_count, GFP_KERNEL);
- if (!efx->vf)
+ nic_data->vf = kcalloc(efx->vf_count, sizeof(*nic_data->vf),
+ GFP_KERNEL);
+ if (!nic_data->vf)
return -ENOMEM;
for (index = 0; index < efx->vf_count; ++index) {
- vf = efx->vf + index;
+ vf = nic_data->vf + index;
vf->efx = efx;
vf->index = index;
@@ -1216,11 +1223,12 @@ static int efx_siena_sriov_vf_alloc(struct efx_nic *efx)
static void efx_siena_sriov_vfs_fini(struct efx_nic *efx)
{
- struct efx_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
+ struct siena_vf *vf;
unsigned int pos;
for (pos = 0; pos < efx->vf_count; ++pos) {
- vf = efx->vf + pos;
+ vf = nic_data->vf + pos;
efx_nic_free_buffer(efx, &vf->buf);
kfree(vf->peer_page_addrs);
@@ -1237,7 +1245,7 @@ static int efx_siena_sriov_vfs_init(struct efx_nic *efx)
struct siena_nic_data *nic_data = efx->nic_data;
unsigned index, devfn, sriov, buftbl_base;
u16 offset, stride;
- struct efx_vf *vf;
+ struct siena_vf *vf;
int rc;
sriov = pci_find_ext_capability(pci_dev, PCI_EXT_CAP_ID_SRIOV);
@@ -1250,7 +1258,7 @@ static int efx_siena_sriov_vfs_init(struct efx_nic *efx)
buftbl_base = nic_data->vf_buftbl_base;
devfn = pci_dev->devfn + offset;
for (index = 0; index < efx->vf_count; ++index) {
- vf = efx->vf + index;
+ vf = nic_data->vf + index;
/* Reserve buffer entries */
vf->buftbl_base = buftbl_base;
@@ -1350,7 +1358,7 @@ fail_pci:
fail_vfs:
cancel_work_sync(&nic_data->peer_work);
efx_siena_sriov_free_local(efx);
- kfree(efx->vf);
+ kfree(nic_data->vf);
fail_alloc:
efx_nic_free_buffer(efx, &nic_data->vfdi_status);
fail_status:
@@ -1361,7 +1369,7 @@ fail_cmd:
void efx_siena_sriov_fini(struct efx_nic *efx)
{
- struct efx_vf *vf;
+ struct siena_vf *vf;
unsigned int pos;
struct siena_nic_data *nic_data = efx->nic_data;
@@ -1377,7 +1385,7 @@ void efx_siena_sriov_fini(struct efx_nic *efx)
/* Flush all reconfiguration work */
for (pos = 0; pos < efx->vf_count; ++pos) {
- vf = efx->vf + pos;
+ vf = nic_data->vf + pos;
cancel_work_sync(&vf->req);
cancel_work_sync(&vf->reset_work);
}
@@ -1388,7 +1396,7 @@ void efx_siena_sriov_fini(struct efx_nic *efx)
/* Tear down back-end state */
efx_siena_sriov_vfs_fini(efx);
efx_siena_sriov_free_local(efx);
- kfree(efx->vf);
+ kfree(nic_data->vf);
efx_nic_free_buffer(efx, &nic_data->vfdi_status);
efx_siena_sriov_cmd(efx, false, NULL, NULL);
}
@@ -1396,7 +1404,7 @@ void efx_siena_sriov_fini(struct efx_nic *efx)
void efx_siena_sriov_event(struct efx_channel *channel, efx_qword_t *event)
{
struct efx_nic *efx = channel->efx;
- struct efx_vf *vf;
+ struct siena_vf *vf;
unsigned qid, seq, type, data;
qid = EFX_QWORD_FIELD(*event, FSF_CZ_USER_QID);
@@ -1452,11 +1460,12 @@ error:
void efx_siena_sriov_flr(struct efx_nic *efx, unsigned vf_i)
{
- struct efx_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
+ struct siena_vf *vf;
if (vf_i > efx->vf_init_count)
return;
- vf = efx->vf + vf_i;
+ vf = nic_data->vf + vf_i;
netif_info(efx, hw, efx->net_dev,
"FLR on VF %s\n", vf->pci_name);
@@ -1467,21 +1476,23 @@ void efx_siena_sriov_flr(struct efx_nic *efx, unsigned vf_i)
vf->evq0_count = 0;
}
-void efx_siena_sriov_mac_address_changed(struct efx_nic *efx)
+int efx_siena_sriov_mac_address_changed(struct efx_nic *efx)
{
struct siena_nic_data *nic_data = efx->nic_data;
struct vfdi_status *vfdi_status = nic_data->vfdi_status.addr;
if (!efx->vf_init_count)
- return;
+ return 0;
ether_addr_copy(vfdi_status->peers[0].mac_addr,
efx->net_dev->dev_addr);
queue_work(vfdi_workqueue, &nic_data->peer_work);
+
+ return 0;
}
void efx_siena_sriov_tx_flush_done(struct efx_nic *efx, efx_qword_t *event)
{
- struct efx_vf *vf;
+ struct siena_vf *vf;
unsigned queue, qid;
queue = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBDATA);
@@ -1500,7 +1511,7 @@ void efx_siena_sriov_tx_flush_done(struct efx_nic *efx, efx_qword_t *event)
void efx_siena_sriov_rx_flush_done(struct efx_nic *efx, efx_qword_t *event)
{
- struct efx_vf *vf;
+ struct siena_vf *vf;
unsigned ev_failed, queue, qid;
queue = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_RX_DESCQ_ID);
@@ -1525,7 +1536,7 @@ void efx_siena_sriov_rx_flush_done(struct efx_nic *efx, efx_qword_t *event)
/* Called from napi. Schedule the reset work item */
void efx_siena_sriov_desc_fetch_err(struct efx_nic *efx, unsigned dmaq)
{
- struct efx_vf *vf;
+ struct siena_vf *vf;
unsigned int rel;
if (map_vi_index(efx, dmaq, &vf, &rel))
@@ -1541,9 +1552,10 @@ void efx_siena_sriov_desc_fetch_err(struct efx_nic *efx, unsigned dmaq)
/* Reset all VFs */
void efx_siena_sriov_reset(struct efx_nic *efx)
{
+ struct siena_nic_data *nic_data = efx->nic_data;
unsigned int vf_i;
struct efx_buffer buf;
- struct efx_vf *vf;
+ struct siena_vf *vf;
ASSERT_RTNL();
@@ -1557,7 +1569,7 @@ void efx_siena_sriov_reset(struct efx_nic *efx)
return;
for (vf_i = 0; vf_i < efx->vf_init_count; ++vf_i) {
- vf = efx->vf + vf_i;
+ vf = nic_data->vf + vf_i;
efx_siena_sriov_reset_vf(vf, &buf);
}
@@ -1573,7 +1585,6 @@ int efx_init_sriov(void)
vfdi_workqueue = create_singlethread_workqueue("sfc_vfdi");
if (!vfdi_workqueue)
return -ENOMEM;
-
return 0;
}
@@ -1582,14 +1593,14 @@ void efx_fini_sriov(void)
destroy_workqueue(vfdi_workqueue);
}
-int efx_siena_sriov_set_vf_mac(struct net_device *net_dev, int vf_i, u8 *mac)
+int efx_siena_sriov_set_vf_mac(struct efx_nic *efx, int vf_i, u8 *mac)
{
- struct efx_nic *efx = netdev_priv(net_dev);
- struct efx_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
+ struct siena_vf *vf;
if (vf_i >= efx->vf_init_count)
return -EINVAL;
- vf = efx->vf + vf_i;
+ vf = nic_data->vf + vf_i;
mutex_lock(&vf->status_lock);
ether_addr_copy(vf->addr.mac_addr, mac);
@@ -1599,16 +1610,16 @@ int efx_siena_sriov_set_vf_mac(struct net_device *net_dev, int vf_i, u8 *mac)
return 0;
}
-int efx_siena_sriov_set_vf_vlan(struct net_device *net_dev, int vf_i,
+int efx_siena_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i,
u16 vlan, u8 qos)
{
- struct efx_nic *efx = netdev_priv(net_dev);
- struct efx_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
+ struct siena_vf *vf;
u16 tci;
if (vf_i >= efx->vf_init_count)
return -EINVAL;
- vf = efx->vf + vf_i;
+ vf = nic_data->vf + vf_i;
mutex_lock(&vf->status_lock);
tci = (vlan & VLAN_VID_MASK) | ((qos & 0x7) << VLAN_PRIO_SHIFT);
@@ -1619,16 +1630,16 @@ int efx_siena_sriov_set_vf_vlan(struct net_device *net_dev, int vf_i,
return 0;
}
-int efx_siena_sriov_set_vf_spoofchk(struct net_device *net_dev, int vf_i,
+int efx_siena_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf_i,
bool spoofchk)
{
- struct efx_nic *efx = netdev_priv(net_dev);
- struct efx_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
+ struct siena_vf *vf;
int rc;
if (vf_i >= efx->vf_init_count)
return -EINVAL;
- vf = efx->vf + vf_i;
+ vf = nic_data->vf + vf_i;
mutex_lock(&vf->txq_lock);
if (vf->txq_count == 0) {
@@ -1643,16 +1654,16 @@ int efx_siena_sriov_set_vf_spoofchk(struct net_device *net_dev, int vf_i,
return rc;
}
-int efx_siena_sriov_get_vf_config(struct net_device *net_dev, int vf_i,
+int efx_siena_sriov_get_vf_config(struct efx_nic *efx, int vf_i,
struct ifla_vf_info *ivi)
{
- struct efx_nic *efx = netdev_priv(net_dev);
- struct efx_vf *vf;
+ struct siena_nic_data *nic_data = efx->nic_data;
+ struct siena_vf *vf;
u16 tci;
if (vf_i >= efx->vf_init_count)
return -EINVAL;
- vf = efx->vf + vf_i;
+ vf = nic_data->vf + vf_i;
ivi->vf = vf_i;
ether_addr_copy(ivi->mac, vf->addr.mac_addr);
@@ -1666,3 +1677,12 @@ int efx_siena_sriov_get_vf_config(struct net_device *net_dev, int vf_i,
return 0;
}
+bool efx_siena_sriov_wanted(struct efx_nic *efx)
+{
+ return efx->vf_count != 0;
+}
+
+int efx_siena_sriov_configure(struct efx_nic *efx, int num_vfs)
+{
+ return 0;
+}
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