aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/sfc/ef10.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/sfc/ef10.c')
-rw-r--r--drivers/net/ethernet/sfc/ef10.c897
1 files changed, 747 insertions, 150 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 21f9ad6392e..b5ed30a3914 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -14,6 +14,7 @@
#include "mcdi_pcol.h"
#include "nic.h"
#include "workarounds.h"
+#include "selftest.h"
#include <linux/in.h>
#include <linux/jhash.h>
#include <linux/wait.h>
@@ -52,31 +53,31 @@ struct efx_ef10_filter_table {
struct {
unsigned long spec; /* pointer to spec plus flag bits */
-/* BUSY flag indicates that an update is in progress. STACK_OLD is
- * used to mark and sweep stack-owned MAC filters.
+/* BUSY flag indicates that an update is in progress. AUTO_OLD is
+ * used to mark and sweep MAC filters for the device address lists.
*/
#define EFX_EF10_FILTER_FLAG_BUSY 1UL
-#define EFX_EF10_FILTER_FLAG_STACK_OLD 2UL
+#define EFX_EF10_FILTER_FLAG_AUTO_OLD 2UL
#define EFX_EF10_FILTER_FLAGS 3UL
u64 handle; /* firmware handle */
} *entry;
wait_queue_head_t waitq;
/* Shadow of net_device address lists, guarded by mac_lock */
-#define EFX_EF10_FILTER_STACK_UC_MAX 32
-#define EFX_EF10_FILTER_STACK_MC_MAX 256
+#define EFX_EF10_FILTER_DEV_UC_MAX 32
+#define EFX_EF10_FILTER_DEV_MC_MAX 256
struct {
u8 addr[ETH_ALEN];
u16 id;
- } stack_uc_list[EFX_EF10_FILTER_STACK_UC_MAX],
- stack_mc_list[EFX_EF10_FILTER_STACK_MC_MAX];
- int stack_uc_count; /* negative for PROMISC */
- int stack_mc_count; /* negative for PROMISC/ALLMULTI */
+ } dev_uc_list[EFX_EF10_FILTER_DEV_UC_MAX],
+ dev_mc_list[EFX_EF10_FILTER_DEV_MC_MAX];
+ int dev_uc_count; /* negative for PROMISC */
+ int dev_mc_count; /* negative for PROMISC/ALLMULTI */
};
/* An arbitrary search limit for the software hash table */
#define EFX_EF10_FILTER_SEARCH_LIMIT 200
-static void efx_ef10_rx_push_indir_table(struct efx_nic *efx);
+static void efx_ef10_rx_push_rss_config(struct efx_nic *efx);
static void efx_ef10_rx_free_indir_table(struct efx_nic *efx);
static void efx_ef10_filter_table_remove(struct efx_nic *efx);
@@ -161,8 +162,8 @@ static int efx_ef10_get_mac_address(struct efx_nic *efx, u8 *mac_address)
if (outlen < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)
return -EIO;
- memcpy(mac_address,
- MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE), ETH_ALEN);
+ ether_addr_copy(mac_address,
+ MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE));
return 0;
}
@@ -171,8 +172,8 @@ static int efx_ef10_probe(struct efx_nic *efx)
struct efx_ef10_nic_data *nic_data;
int i, rc;
- /* We can have one VI for each 8K region. However we need
- * multiple TX queues per channel.
+ /* We can have one VI for each 8K region. However, until we
+ * use TX option descriptors we need two TX queues per channel.
*/
efx->max_channels =
min_t(unsigned int,
@@ -263,6 +264,8 @@ static int efx_ef10_probe(struct efx_nic *efx)
if (rc)
goto fail3;
+ efx_ptp_probe(efx, NULL);
+
return 0;
fail3:
@@ -277,27 +280,215 @@ fail1:
static int efx_ef10_free_vis(struct efx_nic *efx)
{
- int rc = efx_mcdi_rpc(efx, MC_CMD_FREE_VIS, NULL, 0, NULL, 0, NULL);
+ MCDI_DECLARE_BUF_OUT_OR_ERR(outbuf, 0);
+ size_t outlen;
+ int rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FREE_VIS, NULL, 0,
+ outbuf, sizeof(outbuf), &outlen);
/* -EALREADY means nothing to free, so ignore */
if (rc == -EALREADY)
rc = 0;
+ if (rc)
+ efx_mcdi_display_error(efx, MC_CMD_FREE_VIS, 0, outbuf, outlen,
+ rc);
+ return rc;
+}
+
+#ifdef EFX_USE_PIO
+
+static void efx_ef10_free_piobufs(struct efx_nic *efx)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_FREE_PIOBUF_IN_LEN);
+ unsigned int i;
+ int rc;
+
+ BUILD_BUG_ON(MC_CMD_FREE_PIOBUF_OUT_LEN != 0);
+
+ for (i = 0; i < nic_data->n_piobufs; i++) {
+ MCDI_SET_DWORD(inbuf, FREE_PIOBUF_IN_PIOBUF_HANDLE,
+ nic_data->piobuf_handle[i]);
+ rc = efx_mcdi_rpc(efx, MC_CMD_FREE_PIOBUF, inbuf, sizeof(inbuf),
+ NULL, 0, NULL);
+ WARN_ON(rc);
+ }
+
+ nic_data->n_piobufs = 0;
+}
+
+static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_ALLOC_PIOBUF_OUT_LEN);
+ unsigned int i;
+ size_t outlen;
+ int rc = 0;
+
+ BUILD_BUG_ON(MC_CMD_ALLOC_PIOBUF_IN_LEN != 0);
+
+ for (i = 0; i < n; i++) {
+ rc = efx_mcdi_rpc(efx, MC_CMD_ALLOC_PIOBUF, NULL, 0,
+ outbuf, sizeof(outbuf), &outlen);
+ if (rc)
+ break;
+ if (outlen < MC_CMD_ALLOC_PIOBUF_OUT_LEN) {
+ rc = -EIO;
+ break;
+ }
+ nic_data->piobuf_handle[i] =
+ MCDI_DWORD(outbuf, ALLOC_PIOBUF_OUT_PIOBUF_HANDLE);
+ netif_dbg(efx, probe, efx->net_dev,
+ "allocated PIO buffer %u handle %x\n", i,
+ nic_data->piobuf_handle[i]);
+ }
+
+ nic_data->n_piobufs = i;
+ if (rc)
+ efx_ef10_free_piobufs(efx);
+ return rc;
+}
+
+static int efx_ef10_link_piobufs(struct efx_nic *efx)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ MCDI_DECLARE_BUF(inbuf,
+ max(MC_CMD_LINK_PIOBUF_IN_LEN,
+ MC_CMD_UNLINK_PIOBUF_IN_LEN));
+ struct efx_channel *channel;
+ struct efx_tx_queue *tx_queue;
+ unsigned int offset, index;
+ int rc;
+
+ BUILD_BUG_ON(MC_CMD_LINK_PIOBUF_OUT_LEN != 0);
+ BUILD_BUG_ON(MC_CMD_UNLINK_PIOBUF_OUT_LEN != 0);
+
+ /* Link a buffer to each VI in the write-combining mapping */
+ for (index = 0; index < nic_data->n_piobufs; ++index) {
+ MCDI_SET_DWORD(inbuf, LINK_PIOBUF_IN_PIOBUF_HANDLE,
+ nic_data->piobuf_handle[index]);
+ MCDI_SET_DWORD(inbuf, LINK_PIOBUF_IN_TXQ_INSTANCE,
+ nic_data->pio_write_vi_base + index);
+ rc = efx_mcdi_rpc(efx, MC_CMD_LINK_PIOBUF,
+ inbuf, MC_CMD_LINK_PIOBUF_IN_LEN,
+ NULL, 0, NULL);
+ if (rc) {
+ netif_err(efx, drv, efx->net_dev,
+ "failed to link VI %u to PIO buffer %u (%d)\n",
+ nic_data->pio_write_vi_base + index, index,
+ rc);
+ goto fail;
+ }
+ netif_dbg(efx, probe, efx->net_dev,
+ "linked VI %u to PIO buffer %u\n",
+ nic_data->pio_write_vi_base + index, index);
+ }
+
+ /* Link a buffer to each TX queue */
+ efx_for_each_channel(channel, efx) {
+ efx_for_each_channel_tx_queue(tx_queue, channel) {
+ /* We assign the PIO buffers to queues in
+ * reverse order to allow for the following
+ * special case.
+ */
+ offset = ((efx->tx_channel_offset + efx->n_tx_channels -
+ tx_queue->channel->channel - 1) *
+ efx_piobuf_size);
+ index = offset / ER_DZ_TX_PIOBUF_SIZE;
+ offset = offset % ER_DZ_TX_PIOBUF_SIZE;
+
+ /* When the host page size is 4K, the first
+ * host page in the WC mapping may be within
+ * the same VI page as the last TX queue. We
+ * can only link one buffer to each VI.
+ */
+ if (tx_queue->queue == nic_data->pio_write_vi_base) {
+ BUG_ON(index != 0);
+ rc = 0;
+ } else {
+ MCDI_SET_DWORD(inbuf,
+ LINK_PIOBUF_IN_PIOBUF_HANDLE,
+ nic_data->piobuf_handle[index]);
+ MCDI_SET_DWORD(inbuf,
+ LINK_PIOBUF_IN_TXQ_INSTANCE,
+ tx_queue->queue);
+ rc = efx_mcdi_rpc(efx, MC_CMD_LINK_PIOBUF,
+ inbuf, MC_CMD_LINK_PIOBUF_IN_LEN,
+ NULL, 0, NULL);
+ }
+
+ if (rc) {
+ /* This is non-fatal; the TX path just
+ * won't use PIO for this queue
+ */
+ netif_err(efx, drv, efx->net_dev,
+ "failed to link VI %u to PIO buffer %u (%d)\n",
+ tx_queue->queue, index, rc);
+ tx_queue->piobuf = NULL;
+ } else {
+ tx_queue->piobuf =
+ nic_data->pio_write_base +
+ index * EFX_VI_PAGE_SIZE + offset;
+ tx_queue->piobuf_offset = offset;
+ netif_dbg(efx, probe, efx->net_dev,
+ "linked VI %u to PIO buffer %u offset %x addr %p\n",
+ tx_queue->queue, index,
+ tx_queue->piobuf_offset,
+ tx_queue->piobuf);
+ }
+ }
+ }
+
+ return 0;
+
+fail:
+ while (index--) {
+ MCDI_SET_DWORD(inbuf, UNLINK_PIOBUF_IN_TXQ_INSTANCE,
+ nic_data->pio_write_vi_base + index);
+ efx_mcdi_rpc(efx, MC_CMD_UNLINK_PIOBUF,
+ inbuf, MC_CMD_UNLINK_PIOBUF_IN_LEN,
+ NULL, 0, NULL);
+ }
return rc;
}
+#else /* !EFX_USE_PIO */
+
+static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n)
+{
+ return n == 0 ? 0 : -ENOBUFS;
+}
+
+static int efx_ef10_link_piobufs(struct efx_nic *efx)
+{
+ return 0;
+}
+
+static void efx_ef10_free_piobufs(struct efx_nic *efx)
+{
+}
+
+#endif /* EFX_USE_PIO */
+
static void efx_ef10_remove(struct efx_nic *efx)
{
struct efx_ef10_nic_data *nic_data = efx->nic_data;
int rc;
+ efx_ptp_remove(efx);
+
efx_mcdi_mon_remove(efx);
- /* This needs to be after efx_ptp_remove_channel() with no filters */
efx_ef10_rx_free_indir_table(efx);
+ if (nic_data->wc_membase)
+ iounmap(nic_data->wc_membase);
+
rc = efx_ef10_free_vis(efx);
WARN_ON(rc != 0);
+ if (!nic_data->must_restore_piobufs)
+ efx_ef10_free_piobufs(efx);
+
efx_mcdi_fini(efx);
efx_nic_free_buffer(efx, &nic_data->mcdi_buf);
kfree(nic_data);
@@ -330,12 +521,133 @@ static int efx_ef10_alloc_vis(struct efx_nic *efx,
return 0;
}
+/* Note that the failure path of this function does not free
+ * resources, as this will be done by efx_ef10_remove().
+ */
static int efx_ef10_dimension_resources(struct efx_nic *efx)
{
- unsigned int n_vis =
- max(efx->n_channels, efx->n_tx_channels * EFX_TXQ_TYPES);
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ unsigned int uc_mem_map_size, wc_mem_map_size;
+ unsigned int min_vis, pio_write_vi_base, max_vis;
+ void __iomem *membase;
+ int rc;
+
+ min_vis = max(efx->n_channels, efx->n_tx_channels * EFX_TXQ_TYPES);
+
+#ifdef EFX_USE_PIO
+ /* Try to allocate PIO buffers if wanted and if the full
+ * number of PIO buffers would be sufficient to allocate one
+ * copy-buffer per TX channel. Failure is non-fatal, as there
+ * are only a small number of PIO buffers shared between all
+ * functions of the controller.
+ */
+ if (efx_piobuf_size != 0 &&
+ ER_DZ_TX_PIOBUF_SIZE / efx_piobuf_size * EF10_TX_PIOBUF_COUNT >=
+ efx->n_tx_channels) {
+ unsigned int n_piobufs =
+ DIV_ROUND_UP(efx->n_tx_channels,
+ ER_DZ_TX_PIOBUF_SIZE / efx_piobuf_size);
+
+ rc = efx_ef10_alloc_piobufs(efx, n_piobufs);
+ if (rc)
+ netif_err(efx, probe, efx->net_dev,
+ "failed to allocate PIO buffers (%d)\n", rc);
+ else
+ netif_dbg(efx, probe, efx->net_dev,
+ "allocated %u PIO buffers\n", n_piobufs);
+ }
+#else
+ nic_data->n_piobufs = 0;
+#endif
- return efx_ef10_alloc_vis(efx, n_vis, n_vis);
+ /* PIO buffers should be mapped with write-combining enabled,
+ * and we want to make single UC and WC mappings rather than
+ * several of each (in fact that's the only option if host
+ * page size is >4K). So we may allocate some extra VIs just
+ * for writing PIO buffers through.
+ *
+ * The UC mapping contains (min_vis - 1) complete VIs and the
+ * first half of the next VI. Then the WC mapping begins with
+ * the second half of this last VI.
+ */
+ uc_mem_map_size = PAGE_ALIGN((min_vis - 1) * EFX_VI_PAGE_SIZE +
+ ER_DZ_TX_PIOBUF);
+ if (nic_data->n_piobufs) {
+ /* pio_write_vi_base rounds down to give the number of complete
+ * VIs inside the UC mapping.
+ */
+ pio_write_vi_base = uc_mem_map_size / EFX_VI_PAGE_SIZE;
+ wc_mem_map_size = (PAGE_ALIGN((pio_write_vi_base +
+ nic_data->n_piobufs) *
+ EFX_VI_PAGE_SIZE) -
+ uc_mem_map_size);
+ max_vis = pio_write_vi_base + nic_data->n_piobufs;
+ } else {
+ pio_write_vi_base = 0;
+ wc_mem_map_size = 0;
+ max_vis = min_vis;
+ }
+
+ /* In case the last attached driver failed to free VIs, do it now */
+ rc = efx_ef10_free_vis(efx);
+ if (rc != 0)
+ return rc;
+
+ rc = efx_ef10_alloc_vis(efx, min_vis, max_vis);
+ if (rc != 0)
+ return rc;
+
+ /* If we didn't get enough VIs to map all the PIO buffers, free the
+ * PIO buffers
+ */
+ if (nic_data->n_piobufs &&
+ nic_data->n_allocated_vis <
+ pio_write_vi_base + nic_data->n_piobufs) {
+ netif_dbg(efx, probe, efx->net_dev,
+ "%u VIs are not sufficient to map %u PIO buffers\n",
+ nic_data->n_allocated_vis, nic_data->n_piobufs);
+ efx_ef10_free_piobufs(efx);
+ }
+
+ /* Shrink the original UC mapping of the memory BAR */
+ membase = ioremap_nocache(efx->membase_phys, uc_mem_map_size);
+ if (!membase) {
+ netif_err(efx, probe, efx->net_dev,
+ "could not shrink memory BAR to %x\n",
+ uc_mem_map_size);
+ return -ENOMEM;
+ }
+ iounmap(efx->membase);
+ efx->membase = membase;
+
+ /* Set up the WC mapping if needed */
+ if (wc_mem_map_size) {
+ nic_data->wc_membase = ioremap_wc(efx->membase_phys +
+ uc_mem_map_size,
+ wc_mem_map_size);
+ if (!nic_data->wc_membase) {
+ netif_err(efx, probe, efx->net_dev,
+ "could not allocate WC mapping of size %x\n",
+ wc_mem_map_size);
+ return -ENOMEM;
+ }
+ nic_data->pio_write_vi_base = pio_write_vi_base;
+ nic_data->pio_write_base =
+ nic_data->wc_membase +
+ (pio_write_vi_base * EFX_VI_PAGE_SIZE + ER_DZ_TX_PIOBUF -
+ uc_mem_map_size);
+
+ rc = efx_ef10_link_piobufs(efx);
+ if (rc)
+ efx_ef10_free_piobufs(efx);
+ }
+
+ netif_dbg(efx, probe, efx->net_dev,
+ "memory BAR at %pa (virtual %p+%x UC, %p+%x WC)\n",
+ &efx->membase_phys, efx->membase, uc_mem_map_size,
+ nic_data->wc_membase, wc_mem_map_size);
+
+ return 0;
}
static int efx_ef10_init_nic(struct efx_nic *efx)
@@ -359,10 +671,36 @@ static int efx_ef10_init_nic(struct efx_nic *efx)
nic_data->must_realloc_vis = false;
}
- efx_ef10_rx_push_indir_table(efx);
+ if (nic_data->must_restore_piobufs && nic_data->n_piobufs) {
+ rc = efx_ef10_alloc_piobufs(efx, nic_data->n_piobufs);
+ if (rc == 0) {
+ rc = efx_ef10_link_piobufs(efx);
+ if (rc)
+ efx_ef10_free_piobufs(efx);
+ }
+
+ /* Log an error on failure, but this is non-fatal */
+ if (rc)
+ netif_err(efx, drv, efx->net_dev,
+ "failed to restore PIO buffers (%d)\n", rc);
+ nic_data->must_restore_piobufs = false;
+ }
+
+ efx_ef10_rx_push_rss_config(efx);
return 0;
}
+static void efx_ef10_reset_mc_allocations(struct efx_nic *efx)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+ /* All our allocations have been reset */
+ nic_data->must_realloc_vis = true;
+ nic_data->must_restore_filters = true;
+ nic_data->must_restore_piobufs = true;
+ nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
+}
+
static int efx_ef10_map_reset_flags(u32 *flags)
{
enum {
@@ -393,6 +731,22 @@ static int efx_ef10_map_reset_flags(u32 *flags)
return -EINVAL;
}
+static int efx_ef10_reset(struct efx_nic *efx, enum reset_type reset_type)
+{
+ int rc = efx_mcdi_reset(efx, reset_type);
+
+ /* If it was a port reset, trigger reallocation of MC resources.
+ * Note that on an MC reset nothing needs to be done now because we'll
+ * detect the MC reset later and handle it then.
+ * For an FLR, we never get an MC reset event, but the MC has reset all
+ * resources assigned to us, so we have to trigger reallocation now.
+ */
+ if ((reset_type == RESET_TYPE_ALL ||
+ reset_type == RESET_TYPE_MCDI_TIMEOUT) && !rc)
+ efx_ef10_reset_mc_allocations(efx);
+ return rc;
+}
+
#define EF10_DMA_STAT(ext_name, mcdi_name) \
[EF10_STAT_ ## ext_name] = \
{ #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
@@ -454,8 +808,8 @@ static const struct efx_hw_stat_desc efx_ef10_stat_desc[EF10_STAT_COUNT] = {
EF10_DMA_STAT(rx_dp_q_disabled_packets, RXDP_Q_DISABLED_PKTS),
EF10_DMA_STAT(rx_dp_di_dropped_packets, RXDP_DI_DROPPED_PKTS),
EF10_DMA_STAT(rx_dp_streaming_packets, RXDP_STREAMING_PKTS),
- EF10_DMA_STAT(rx_dp_emerg_fetch, RXDP_EMERGENCY_FETCH_CONDITIONS),
- EF10_DMA_STAT(rx_dp_emerg_wait, RXDP_EMERGENCY_WAIT_CONDITIONS),
+ EF10_DMA_STAT(rx_dp_hlb_fetch, RXDP_EMERGENCY_FETCH_CONDITIONS),
+ EF10_DMA_STAT(rx_dp_hlb_wait, RXDP_EMERGENCY_WAIT_CONDITIONS),
};
#define HUNT_COMMON_STAT_MASK ((1ULL << EF10_STAT_tx_bytes) | \
@@ -524,8 +878,8 @@ static const struct efx_hw_stat_desc efx_ef10_stat_desc[EF10_STAT_COUNT] = {
(1ULL << EF10_STAT_rx_dp_q_disabled_packets) | \
(1ULL << EF10_STAT_rx_dp_di_dropped_packets) | \
(1ULL << EF10_STAT_rx_dp_streaming_packets) | \
- (1ULL << EF10_STAT_rx_dp_emerg_fetch) | \
- (1ULL << EF10_STAT_rx_dp_emerg_wait))
+ (1ULL << EF10_STAT_rx_dp_hlb_fetch) | \
+ (1ULL << EF10_STAT_rx_dp_hlb_wait))
static u64 efx_ef10_raw_stat_mask(struct efx_nic *efx)
{
@@ -591,6 +945,7 @@ static int efx_ef10_try_update_nic_stats(struct efx_nic *efx)
return -EAGAIN;
/* Update derived statistics */
+ efx_nic_fix_nodesc_drop_stat(efx, &stats[EF10_STAT_rx_nodesc_drops]);
stats[EF10_STAT_rx_good_bytes] =
stats[EF10_STAT_rx_bytes] -
stats[EF10_STAT_rx_bytes_minus_good_bytes];
@@ -757,9 +1112,7 @@ static int efx_ef10_mcdi_poll_reboot(struct efx_nic *efx)
nic_data->warm_boot_count = rc;
/* All our allocations have been reset */
- nic_data->must_realloc_vis = true;
- nic_data->must_restore_filters = true;
- nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
+ efx_ef10_reset_mc_allocations(efx);
/* The datapath firmware might have been changed */
nic_data->must_check_datapath_caps = true;
@@ -930,8 +1283,8 @@ static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue)
return;
fail:
- WARN_ON(true);
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+ netdev_WARN(efx->net_dev, "failed to initialise TXQ %d\n",
+ tx_queue->queue);
}
static void efx_ef10_tx_fini(struct efx_tx_queue *tx_queue)
@@ -945,7 +1298,7 @@ static void efx_ef10_tx_fini(struct efx_tx_queue *tx_queue)
MCDI_SET_DWORD(inbuf, FINI_TXQ_IN_INSTANCE,
tx_queue->queue);
- rc = efx_mcdi_rpc(efx, MC_CMD_FINI_TXQ, inbuf, sizeof(inbuf),
+ rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_TXQ, inbuf, sizeof(inbuf),
outbuf, sizeof(outbuf), &outlen);
if (rc && rc != -EALREADY)
@@ -954,7 +1307,8 @@ static void efx_ef10_tx_fini(struct efx_tx_queue *tx_queue)
return;
fail:
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+ efx_mcdi_display_error(efx, MC_CMD_FINI_TXQ, MC_CMD_FINI_TXQ_IN_LEN,
+ outbuf, outlen, rc);
}
static void efx_ef10_tx_remove(struct efx_tx_queue *tx_queue)
@@ -1097,12 +1451,12 @@ static void efx_ef10_rx_free_indir_table(struct efx_nic *efx)
nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
}
-static void efx_ef10_rx_push_indir_table(struct efx_nic *efx)
+static void efx_ef10_rx_push_rss_config(struct efx_nic *efx)
{
struct efx_ef10_nic_data *nic_data = efx->nic_data;
int rc;
- netif_dbg(efx, drv, efx->net_dev, "pushing RX indirection table\n");
+ netif_dbg(efx, drv, efx->net_dev, "pushing RSS config\n");
if (nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID) {
rc = efx_ef10_alloc_rss_context(efx, &nic_data->rx_rss_context);
@@ -1150,8 +1504,9 @@ static void efx_ef10_rx_init(struct efx_rx_queue *rx_queue)
MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_LABEL, efx_rx_queue_index(rx_queue));
MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_INSTANCE,
efx_rx_queue_index(rx_queue));
- MCDI_POPULATE_DWORD_1(inbuf, INIT_RXQ_IN_FLAGS,
- INIT_RXQ_IN_FLAG_PREFIX, 1);
+ MCDI_POPULATE_DWORD_2(inbuf, INIT_RXQ_IN_FLAGS,
+ INIT_RXQ_IN_FLAG_PREFIX, 1,
+ INIT_RXQ_IN_FLAG_TIMESTAMP, 1);
MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_OWNER_ID, 0);
MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_PORT_ID, EVB_PORT_ID_ASSIGNED);
@@ -1170,13 +1525,8 @@ static void efx_ef10_rx_init(struct efx_rx_queue *rx_queue)
rc = efx_mcdi_rpc(efx, MC_CMD_INIT_RXQ, inbuf, inlen,
outbuf, sizeof(outbuf), &outlen);
if (rc)
- goto fail;
-
- return;
-
-fail:
- WARN_ON(true);
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+ netdev_WARN(efx->net_dev, "failed to initialise RXQ %d\n",
+ efx_rx_queue_index(rx_queue));
}
static void efx_ef10_rx_fini(struct efx_rx_queue *rx_queue)
@@ -1190,7 +1540,7 @@ static void efx_ef10_rx_fini(struct efx_rx_queue *rx_queue)
MCDI_SET_DWORD(inbuf, FINI_RXQ_IN_INSTANCE,
efx_rx_queue_index(rx_queue));
- rc = efx_mcdi_rpc(efx, MC_CMD_FINI_RXQ, inbuf, sizeof(inbuf),
+ rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_RXQ, inbuf, sizeof(inbuf),
outbuf, sizeof(outbuf), &outlen);
if (rc && rc != -EALREADY)
@@ -1199,7 +1549,8 @@ static void efx_ef10_rx_fini(struct efx_rx_queue *rx_queue)
return;
fail:
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+ efx_mcdi_display_error(efx, MC_CMD_FINI_RXQ, MC_CMD_FINI_RXQ_IN_LEN,
+ outbuf, outlen, rc);
}
static void efx_ef10_rx_remove(struct efx_rx_queue *rx_queue)
@@ -1336,15 +1687,7 @@ static int efx_ef10_ev_init(struct efx_channel *channel)
rc = efx_mcdi_rpc(efx, MC_CMD_INIT_EVQ, inbuf, inlen,
outbuf, sizeof(outbuf), &outlen);
- if (rc)
- goto fail;
-
/* IRQ return is ignored */
-
- return 0;
-
-fail:
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
return rc;
}
@@ -1358,7 +1701,7 @@ static void efx_ef10_ev_fini(struct efx_channel *channel)
MCDI_SET_DWORD(inbuf, FINI_EVQ_IN_INSTANCE, channel->channel);
- rc = efx_mcdi_rpc(efx, MC_CMD_FINI_EVQ, inbuf, sizeof(inbuf),
+ rc = efx_mcdi_rpc_quiet(efx, MC_CMD_FINI_EVQ, inbuf, sizeof(inbuf),
outbuf, sizeof(outbuf), &outlen);
if (rc && rc != -EALREADY)
@@ -1367,7 +1710,8 @@ static void efx_ef10_ev_fini(struct efx_channel *channel)
return;
fail:
- netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
+ efx_mcdi_display_error(efx, MC_CMD_FINI_EVQ, MC_CMD_FINI_EVQ_IN_LEN,
+ outbuf, outlen, rc);
}
static void efx_ef10_ev_remove(struct efx_channel *channel)
@@ -1406,8 +1750,6 @@ static void efx_ef10_handle_rx_abort(struct efx_rx_queue *rx_queue)
{
unsigned int rx_desc_ptr;
- WARN_ON(rx_queue->scatter_n == 0);
-
netif_dbg(rx_queue->efx, hw, rx_queue->efx->net_dev,
"scattered RX aborted (dropping %u buffers)\n",
rx_queue->scatter_n);
@@ -1443,7 +1785,10 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel,
rx_l4_class = EFX_QWORD_FIELD(*event, ESF_DZ_RX_L4_CLASS);
rx_cont = EFX_QWORD_FIELD(*event, ESF_DZ_RX_CONT);
- WARN_ON(EFX_QWORD_FIELD(*event, ESF_DZ_RX_DROP_EVENT));
+ if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_DROP_EVENT))
+ netdev_WARN(efx->net_dev, "saw RX_DROP_EVENT: event="
+ EFX_QWORD_FMT "\n",
+ EFX_QWORD_VAL(*event));
rx_queue = efx_channel_get_rx_queue(channel);
@@ -1454,17 +1799,27 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel,
((1 << ESF_DZ_RX_DSC_PTR_LBITS_WIDTH) - 1));
if (n_descs != rx_queue->scatter_n + 1) {
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
/* detect rx abort */
if (unlikely(n_descs == rx_queue->scatter_n)) {
- WARN_ON(rx_bytes != 0);
+ if (rx_queue->scatter_n == 0 || rx_bytes != 0)
+ netdev_WARN(efx->net_dev,
+ "invalid RX abort: scatter_n=%u event="
+ EFX_QWORD_FMT "\n",
+ rx_queue->scatter_n,
+ EFX_QWORD_VAL(*event));
efx_ef10_handle_rx_abort(rx_queue);
return 0;
}
- if (unlikely(rx_queue->scatter_n != 0)) {
- /* Scattered packet completions cannot be
- * merged, so something has gone wrong.
- */
+ /* Check that RX completion merging is valid, i.e.
+ * the current firmware supports it and this is a
+ * non-scattered packet.
+ */
+ if (!(nic_data->datapath_caps &
+ (1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN)) ||
+ rx_queue->scatter_n != 0 || rx_cont) {
efx_ef10_handle_rx_bad_lbits(
rx_queue, next_ptr_lbits,
(rx_queue->removed_count +
@@ -1590,7 +1945,7 @@ static void efx_ef10_handle_driver_generated_event(struct efx_channel *channel,
* events, so efx_process_channel() won't refill the
* queue. Refill it here
*/
- efx_fast_push_rx_descriptors(&channel->rx_queue);
+ efx_fast_push_rx_descriptors(&channel->rx_queue, true);
break;
default:
netif_err(efx, hw, efx->net_dev,
@@ -1610,6 +1965,9 @@ static int efx_ef10_ev_process(struct efx_channel *channel, int quota)
int tx_descs = 0;
int spent = 0;
+ if (quota <= 0)
+ return spent;
+
read_ptr = channel->eventq_read_ptr;
for (;;) {
@@ -1786,6 +2144,11 @@ static int efx_ef10_fini_dmaq(struct efx_nic *efx)
return 0;
}
+static void efx_ef10_prepare_flr(struct efx_nic *efx)
+{
+ atomic_set(&efx->active_queues, 0);
+}
+
static bool efx_ef10_filter_equal(const struct efx_filter_spec *left,
const struct efx_filter_spec *right)
{
@@ -1921,7 +2284,9 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx,
MC_CMD_FILTER_OP_IN_RX_DEST_HOST);
MCDI_SET_DWORD(inbuf, FILTER_OP_IN_TX_DEST,
MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT);
- MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_QUEUE, spec->dmaq_id);
+ MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_QUEUE,
+ spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ?
+ 0 : spec->dmaq_id);
MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE,
(spec->flags & EFX_FILTER_FLAG_RX_RSS) ?
MC_CMD_FILTER_OP_IN_RX_MODE_RSS :
@@ -1946,6 +2311,8 @@ static int efx_ef10_filter_push(struct efx_nic *efx,
outbuf, sizeof(outbuf), NULL);
if (rc == 0)
*handle = MCDI_QWORD(outbuf, FILTER_OP_OUT_HANDLE);
+ if (rc == -ENOSPC)
+ rc = -EBUSY; /* to match efx_farch_filter_insert() */
return rc;
}
@@ -2015,10 +2382,7 @@ static s32 efx_ef10_filter_insert(struct efx_nic *efx,
EFX_EF10_FILTER_FLAG_BUSY)
break;
if (spec->priority < saved_spec->priority &&
- !(saved_spec->priority ==
- EFX_FILTER_PRI_REQUIRED &&
- saved_spec->flags &
- EFX_FILTER_FLAG_RX_STACK)) {
+ spec->priority != EFX_FILTER_PRI_AUTO) {
rc = -EPERM;
goto out_unlock;
}
@@ -2072,11 +2436,13 @@ found:
*/
saved_spec = efx_ef10_filter_entry_spec(table, ins_index);
if (saved_spec) {
- if (spec->flags & EFX_FILTER_FLAG_RX_STACK) {
+ if (spec->priority == EFX_FILTER_PRI_AUTO &&
+ saved_spec->priority >= EFX_FILTER_PRI_AUTO) {
/* Just make sure it won't be removed */
- saved_spec->flags |= EFX_FILTER_FLAG_RX_STACK;
+ if (saved_spec->priority > EFX_FILTER_PRI_AUTO)
+ saved_spec->flags |= EFX_FILTER_FLAG_RX_OVER_AUTO;
table->entry[ins_index].spec &=
- ~EFX_EF10_FILTER_FLAG_STACK_OLD;
+ ~EFX_EF10_FILTER_FLAG_AUTO_OLD;
rc = ins_index;
goto out_unlock;
}
@@ -2116,8 +2482,11 @@ found:
if (rc == 0) {
if (replacing) {
/* Update the fields that may differ */
+ if (saved_spec->priority == EFX_FILTER_PRI_AUTO)
+ saved_spec->flags |=
+ EFX_FILTER_FLAG_RX_OVER_AUTO;
saved_spec->priority = spec->priority;
- saved_spec->flags &= EFX_FILTER_FLAG_RX_STACK;
+ saved_spec->flags &= EFX_FILTER_FLAG_RX_OVER_AUTO;
saved_spec->flags |= spec->flags;
saved_spec->rss_context = spec->rss_context;
saved_spec->dmaq_id = spec->dmaq_id;
@@ -2180,19 +2549,19 @@ out_unlock:
return rc;
}
-void efx_ef10_filter_update_rx_scatter(struct efx_nic *efx)
+static void efx_ef10_filter_update_rx_scatter(struct efx_nic *efx)
{
/* no need to do anything here on EF10 */
}
/* Remove a filter.
- * If !stack_requested, remove by ID
- * If stack_requested, remove by index
+ * If !by_index, remove by ID
+ * If by_index, remove by index
* Filter ID may come from userland and must be range-checked.
*/
static int efx_ef10_filter_remove_internal(struct efx_nic *efx,
- enum efx_filter_priority priority,
- u32 filter_id, bool stack_requested)
+ unsigned int priority_mask,
+ u32 filter_id, bool by_index)
{
unsigned int filter_idx = filter_id % HUNT_FILTER_TBL_ROWS;
struct efx_ef10_filter_table *table = efx->filter_state;
@@ -2216,26 +2585,41 @@ static int efx_ef10_filter_remove_internal(struct efx_nic *efx,
spin_unlock_bh(&efx->filter_lock);
schedule();
}
+
spec = efx_ef10_filter_entry_spec(table, filter_idx);
- if (!spec || spec->priority > priority ||
- (!stack_requested &&
+ if (!spec ||
+ (!by_index &&
efx_ef10_filter_rx_match_pri(table, spec->match_flags) !=
filter_id / HUNT_FILTER_TBL_ROWS)) {
rc = -ENOENT;
goto out_unlock;
}
+
+ if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO &&
+ priority_mask == (1U << EFX_FILTER_PRI_AUTO)) {
+ /* Just remove flags */
+ spec->flags &= ~EFX_FILTER_FLAG_RX_OVER_AUTO;
+ table->entry[filter_idx].spec &= ~EFX_EF10_FILTER_FLAG_AUTO_OLD;
+ rc = 0;
+ goto out_unlock;
+ }
+
+ if (!(priority_mask & (1U << spec->priority))) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+
table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_BUSY;
spin_unlock_bh(&efx->filter_lock);
- if (spec->flags & EFX_FILTER_FLAG_RX_STACK && !stack_requested) {
- /* Reset steering of a stack-owned filter */
+ if (spec->flags & EFX_FILTER_FLAG_RX_OVER_AUTO) {
+ /* Reset to an automatic filter */
struct efx_filter_spec new_spec = *spec;
- new_spec.priority = EFX_FILTER_PRI_REQUIRED;
+ new_spec.priority = EFX_FILTER_PRI_AUTO;
new_spec.flags = (EFX_FILTER_FLAG_RX |
- EFX_FILTER_FLAG_RX_RSS |
- EFX_FILTER_FLAG_RX_STACK);
+ EFX_FILTER_FLAG_RX_RSS);
new_spec.dmaq_id = 0;
new_spec.rss_context = EFX_FILTER_RSS_CONTEXT_DEFAULT;
rc = efx_ef10_filter_push(efx, &new_spec,
@@ -2263,6 +2647,7 @@ static int efx_ef10_filter_remove_internal(struct efx_nic *efx,
efx_ef10_filter_set_entry(table, filter_idx, NULL, 0);
}
}
+
table->entry[filter_idx].spec &= ~EFX_EF10_FILTER_FLAG_BUSY;
wake_up_all(&table->waitq);
out_unlock:
@@ -2275,7 +2660,8 @@ static int efx_ef10_filter_remove_safe(struct efx_nic *efx,
enum efx_filter_priority priority,
u32 filter_id)
{
- return efx_ef10_filter_remove_internal(efx, priority, filter_id, false);
+ return efx_ef10_filter_remove_internal(efx, 1U << priority,
+ filter_id, false);
}
static int efx_ef10_filter_get_safe(struct efx_nic *efx,
@@ -2301,10 +2687,24 @@ static int efx_ef10_filter_get_safe(struct efx_nic *efx,
return rc;
}
-static void efx_ef10_filter_clear_rx(struct efx_nic *efx,
+static int efx_ef10_filter_clear_rx(struct efx_nic *efx,
enum efx_filter_priority priority)
{
- /* TODO */
+ unsigned int priority_mask;
+ unsigned int i;
+ int rc;
+
+ priority_mask = (((1U << (priority + 1)) - 1) &
+ ~(1U << EFX_FILTER_PRI_AUTO));
+
+ for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) {
+ rc = efx_ef10_filter_remove_internal(efx, priority_mask,
+ i, true);
+ if (rc && rc != -ENOENT)
+ return rc;
+ }
+
+ return 0;
}
static u32 efx_ef10_filter_count_rx_used(struct efx_nic *efx,
@@ -2405,8 +2805,6 @@ static s32 efx_ef10_filter_rfs_insert(struct efx_nic *efx,
rc = -EBUSY;
goto fail_unlock;
}
- EFX_WARN_ON_PARANOID(saved_spec->flags &
- EFX_FILTER_FLAG_RX_STACK);
if (spec->priority < saved_spec->priority) {
rc = -EPERM;
goto fail_unlock;
@@ -2716,8 +3114,11 @@ static void efx_ef10_filter_table_remove(struct efx_nic *efx)
table->entry[filter_idx].handle);
rc = efx_mcdi_rpc(efx, MC_CMD_FILTER_OP, inbuf, sizeof(inbuf),
NULL, 0, NULL);
-
- WARN_ON(rc != 0);
+ if (rc)
+ netdev_WARN(efx->net_dev,
+ "filter_idx=%#x handle=%#llx\n",
+ filter_idx,
+ table->entry[filter_idx].handle);
kfree(spec);
}
@@ -2741,15 +3142,15 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx)
/* Mark old filters that may need to be removed */
spin_lock_bh(&efx->filter_lock);
- n = table->stack_uc_count < 0 ? 1 : table->stack_uc_count;
+ n = table->dev_uc_count < 0 ? 1 : table->dev_uc_count;
for (i = 0; i < n; i++) {
- filter_idx = table->stack_uc_list[i].id % HUNT_FILTER_TBL_ROWS;
- table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_STACK_OLD;
+ filter_idx = table->dev_uc_list[i].id % HUNT_FILTER_TBL_ROWS;
+ table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_AUTO_OLD;
}
- n = table->stack_mc_count < 0 ? 1 : table->stack_mc_count;
+ n = table->dev_mc_count < 0 ? 1 : table->dev_mc_count;
for (i = 0; i < n; i++) {
- filter_idx = table->stack_mc_list[i].id % HUNT_FILTER_TBL_ROWS;
- table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_STACK_OLD;
+ filter_idx = table->dev_mc_list[i].id % HUNT_FILTER_TBL_ROWS;
+ table->entry[filter_idx].spec |= EFX_EF10_FILTER_FLAG_AUTO_OLD;
}
spin_unlock_bh(&efx->filter_lock);
@@ -2758,119 +3159,112 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx)
*/
netif_addr_lock_bh(net_dev);
if (net_dev->flags & IFF_PROMISC ||
- netdev_uc_count(net_dev) >= EFX_EF10_FILTER_STACK_UC_MAX) {
- table->stack_uc_count = -1;
+ netdev_uc_count(net_dev) >= EFX_EF10_FILTER_DEV_UC_MAX) {
+ table->dev_uc_count = -1;
} else {
- table->stack_uc_count = 1 + netdev_uc_count(net_dev);
- memcpy(table->stack_uc_list[0].addr, net_dev->dev_addr,
- ETH_ALEN);
+ table->dev_uc_count = 1 + netdev_uc_count(net_dev);
+ ether_addr_copy(table->dev_uc_list[0].addr, net_dev->dev_addr);
i = 1;
netdev_for_each_uc_addr(uc, net_dev) {
- memcpy(table->stack_uc_list[i].addr,
- uc->addr, ETH_ALEN);
+ ether_addr_copy(table->dev_uc_list[i].addr, uc->addr);
i++;
}
}
if (net_dev->flags & (IFF_PROMISC | IFF_ALLMULTI) ||
- netdev_mc_count(net_dev) >= EFX_EF10_FILTER_STACK_MC_MAX) {
- table->stack_mc_count = -1;
+ netdev_mc_count(net_dev) >= EFX_EF10_FILTER_DEV_MC_MAX) {
+ table->dev_mc_count = -1;
} else {
- table->stack_mc_count = 1 + netdev_mc_count(net_dev);
- eth_broadcast_addr(table->stack_mc_list[0].addr);
+ table->dev_mc_count = 1 + netdev_mc_count(net_dev);
+ eth_broadcast_addr(table->dev_mc_list[0].addr);
i = 1;
netdev_for_each_mc_addr(mc, net_dev) {
- memcpy(table->stack_mc_list[i].addr,
- mc->addr, ETH_ALEN);
+ ether_addr_copy(table->dev_mc_list[i].addr, mc->addr);
i++;
}
}
netif_addr_unlock_bh(net_dev);
/* Insert/renew unicast filters */
- if (table->stack_uc_count >= 0) {
- for (i = 0; i < table->stack_uc_count; i++) {
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_REQUIRED,
- EFX_FILTER_FLAG_RX_RSS |
- EFX_FILTER_FLAG_RX_STACK,
+ if (table->dev_uc_count >= 0) {
+ for (i = 0; i < table->dev_uc_count; i++) {
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
+ EFX_FILTER_FLAG_RX_RSS,
0);
efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC,
- table->stack_uc_list[i].addr);
+ table->dev_uc_list[i].addr);
rc = efx_ef10_filter_insert(efx, &spec, true);
if (rc < 0) {
/* Fall back to unicast-promisc */
while (i--)
efx_ef10_filter_remove_safe(
- efx, EFX_FILTER_PRI_REQUIRED,
- table->stack_uc_list[i].id);
- table->stack_uc_count = -1;
+ efx, EFX_FILTER_PRI_AUTO,
+ table->dev_uc_list[i].id);
+ table->dev_uc_count = -1;
break;
}
- table->stack_uc_list[i].id = rc;
+ table->dev_uc_list[i].id = rc;
}
}
- if (table->stack_uc_count < 0) {
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_REQUIRED,
- EFX_FILTER_FLAG_RX_RSS |
- EFX_FILTER_FLAG_RX_STACK,
+ if (table->dev_uc_count < 0) {
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
+ EFX_FILTER_FLAG_RX_RSS,
0);
efx_filter_set_uc_def(&spec);
rc = efx_ef10_filter_insert(efx, &spec, true);
if (rc < 0) {
WARN_ON(1);
- table->stack_uc_count = 0;
+ table->dev_uc_count = 0;
} else {
- table->stack_uc_list[0].id = rc;
+ table->dev_uc_list[0].id = rc;
}
}
/* Insert/renew multicast filters */
- if (table->stack_mc_count >= 0) {
- for (i = 0; i < table->stack_mc_count; i++) {
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_REQUIRED,
- EFX_FILTER_FLAG_RX_RSS |
- EFX_FILTER_FLAG_RX_STACK,
+ if (table->dev_mc_count >= 0) {
+ for (i = 0; i < table->dev_mc_count; i++) {
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
+ EFX_FILTER_FLAG_RX_RSS,
0);
efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC,
- table->stack_mc_list[i].addr);
+ table->dev_mc_list[i].addr);
rc = efx_ef10_filter_insert(efx, &spec, true);
if (rc < 0) {
/* Fall back to multicast-promisc */
while (i--)
efx_ef10_filter_remove_safe(
- efx, EFX_FILTER_PRI_REQUIRED,
- table->stack_mc_list[i].id);
- table->stack_mc_count = -1;
+ efx, EFX_FILTER_PRI_AUTO,
+ table->dev_mc_list[i].id);
+ table->dev_mc_count = -1;
break;
}
- table->stack_mc_list[i].id = rc;
+ table->dev_mc_list[i].id = rc;
}
}
- if (table->stack_mc_count < 0) {
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_REQUIRED,
- EFX_FILTER_FLAG_RX_RSS |
- EFX_FILTER_FLAG_RX_STACK,
+ if (table->dev_mc_count < 0) {
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
+ EFX_FILTER_FLAG_RX_RSS,
0);
efx_filter_set_mc_def(&spec);
rc = efx_ef10_filter_insert(efx, &spec, true);
if (rc < 0) {
WARN_ON(1);
- table->stack_mc_count = 0;
+ table->dev_mc_count = 0;
} else {
- table->stack_mc_list[0].id = rc;
+ table->dev_mc_list[0].id = rc;
}
}
/* Remove filters that weren't renewed. Since nothing else
- * changes the STACK_OLD flag or removes these filters, we
+ * changes the AUTO_OLD flag or removes these filters, we
* don't need to hold the filter_lock while scanning for
* these filters.
*/
for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) {
if (ACCESS_ONCE(table->entry[i].spec) &
- EFX_EF10_FILTER_FLAG_STACK_OLD) {
- if (efx_ef10_filter_remove_internal(efx,
- EFX_FILTER_PRI_REQUIRED,
- i, true) < 0)
+ EFX_EF10_FILTER_FLAG_AUTO_OLD) {
+ if (efx_ef10_filter_remove_internal(
+ efx, 1U << EFX_FILTER_PRI_AUTO,
+ i, true) < 0)
remove_failed = true;
}
}
@@ -2884,6 +3278,87 @@ static int efx_ef10_mac_reconfigure(struct efx_nic *efx)
return efx_mcdi_set_mac(efx);
}
+static int efx_ef10_start_bist(struct efx_nic *efx, u32 bist_type)
+{
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN);
+
+ MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_type);
+ return efx_mcdi_rpc(efx, MC_CMD_START_BIST, inbuf, sizeof(inbuf),
+ NULL, 0, NULL);
+}
+
+/* MC BISTs follow a different poll mechanism to phy BISTs.
+ * The BIST is done in the poll handler on the MC, and the MCDI command
+ * will block until the BIST is done.
+ */
+static int efx_ef10_poll_bist(struct efx_nic *efx)
+{
+ int rc;
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_LEN);
+ size_t outlen;
+ u32 result;
+
+ rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0,
+ outbuf, sizeof(outbuf), &outlen);
+ if (rc != 0)
+ return rc;
+
+ if (outlen < MC_CMD_POLL_BIST_OUT_LEN)
+ return -EIO;
+
+ result = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT);
+ switch (result) {
+ case MC_CMD_POLL_BIST_PASSED:
+ netif_dbg(efx, hw, efx->net_dev, "BIST passed.\n");
+ return 0;
+ case MC_CMD_POLL_BIST_TIMEOUT:
+ netif_err(efx, hw, efx->net_dev, "BIST timed out\n");
+ return -EIO;
+ case MC_CMD_POLL_BIST_FAILED:
+ netif_err(efx, hw, efx->net_dev, "BIST failed.\n");
+ return -EIO;
+ default:
+ netif_err(efx, hw, efx->net_dev,
+ "BIST returned unknown result %u", result);
+ return -EIO;
+ }
+}
+
+static int efx_ef10_run_bist(struct efx_nic *efx, u32 bist_type)
+{
+ int rc;
+
+ netif_dbg(efx, drv, efx->net_dev, "starting BIST type %u\n", bist_type);
+
+ rc = efx_ef10_start_bist(efx, bist_type);
+ if (rc != 0)
+ return rc;
+
+ return efx_ef10_poll_bist(efx);
+}
+
+static int
+efx_ef10_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
+{
+ int rc, rc2;
+
+ efx_reset_down(efx, RESET_TYPE_WORLD);
+
+ rc = efx_mcdi_rpc(efx, MC_CMD_ENABLE_OFFLINE_BIST,
+ NULL, 0, NULL, 0, NULL);
+ if (rc != 0)
+ goto out;
+
+ tests->memory = efx_ef10_run_bist(efx, MC_CMD_MC_MEM_BIST) ? -1 : 1;
+ tests->registers = efx_ef10_run_bist(efx, MC_CMD_REG_BIST) ? -1 : 1;
+
+ rc = efx_mcdi_reset(efx, RESET_TYPE_WORLD);
+
+out:
+ rc2 = efx_reset_up(efx, RESET_TYPE_WORLD, rc == 0);
+ return rc ? rc : rc2;
+}
+
#ifdef CONFIG_SFC_MTD
struct efx_ef10_nvram_type_info {
@@ -2902,6 +3377,7 @@ static const struct efx_ef10_nvram_type_info efx_ef10_nvram_types[] = {
{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT1, 0, 1, "sfc_exp_rom_cfg" },
{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT2, 0, 2, "sfc_exp_rom_cfg" },
{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT3, 0, 3, "sfc_exp_rom_cfg" },
+ { NVRAM_PARTITION_TYPE_LICENSE, 0, 0, "sfc_license" },
{ NVRAM_PARTITION_TYPE_PHY_MIN, 0xff, 0, "sfc_phy_fw" },
};
@@ -3009,6 +3485,119 @@ static void efx_ef10_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
_efx_writed(efx, cpu_to_le32(host_time), ER_DZ_MC_DB_LWRD);
}
+static int efx_ef10_rx_enable_timestamping(struct efx_channel *channel,
+ bool temp)
+{
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_TIME_EVENT_SUBSCRIBE_LEN);
+ int rc;
+
+ if (channel->sync_events_state == SYNC_EVENTS_REQUESTED ||
+ channel->sync_events_state == SYNC_EVENTS_VALID ||
+ (temp && channel->sync_events_state == SYNC_EVENTS_DISABLED))
+ return 0;
+ channel->sync_events_state = SYNC_EVENTS_REQUESTED;
+
+ MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_TIME_EVENT_SUBSCRIBE);
+ MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0);
+ MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_SUBSCRIBE_QUEUE,
+ channel->channel);
+
+ rc = efx_mcdi_rpc(channel->efx, MC_CMD_PTP,
+ inbuf, sizeof(inbuf), NULL, 0, NULL);
+
+ if (rc != 0)
+ channel->sync_events_state = temp ? SYNC_EVENTS_QUIESCENT :
+ SYNC_EVENTS_DISABLED;
+
+ return rc;
+}
+
+static int efx_ef10_rx_disable_timestamping(struct efx_channel *channel,
+ bool temp)
+{
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_TIME_EVENT_UNSUBSCRIBE_LEN);
+ int rc;
+
+ if (channel->sync_events_state == SYNC_EVENTS_DISABLED ||
+ (temp && channel->sync_events_state == SYNC_EVENTS_QUIESCENT))
+ return 0;
+ if (channel->sync_events_state == SYNC_EVENTS_QUIESCENT) {
+ channel->sync_events_state = SYNC_EVENTS_DISABLED;
+ return 0;
+ }
+ channel->sync_events_state = temp ? SYNC_EVENTS_QUIESCENT :
+ SYNC_EVENTS_DISABLED;
+
+ MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_TIME_EVENT_UNSUBSCRIBE);
+ MCDI_SET_DWORD(inbuf, PTP_IN_PERIPH_ID, 0);
+ MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_UNSUBSCRIBE_CONTROL,
+ MC_CMD_PTP_IN_TIME_EVENT_UNSUBSCRIBE_SINGLE);
+ MCDI_SET_DWORD(inbuf, PTP_IN_TIME_EVENT_UNSUBSCRIBE_QUEUE,
+ channel->channel);
+
+ rc = efx_mcdi_rpc(channel->efx, MC_CMD_PTP,
+ inbuf, sizeof(inbuf), NULL, 0, NULL);
+
+ return rc;
+}
+
+static int efx_ef10_ptp_set_ts_sync_events(struct efx_nic *efx, bool en,
+ bool temp)
+{
+ int (*set)(struct efx_channel *channel, bool temp);
+ struct efx_channel *channel;
+
+ set = en ?
+ efx_ef10_rx_enable_timestamping :
+ efx_ef10_rx_disable_timestamping;
+
+ efx_for_each_channel(channel, efx) {
+ int rc = set(channel, temp);
+ if (en && rc != 0) {
+ efx_ef10_ptp_set_ts_sync_events(efx, false, temp);
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+static int efx_ef10_ptp_set_ts_config(struct efx_nic *efx,
+ struct hwtstamp_config *init)
+{
+ int rc;
+
+ switch (init->rx_filter) {
+ case HWTSTAMP_FILTER_NONE:
+ efx_ef10_ptp_set_ts_sync_events(efx, false, false);
+ /* if TX timestamping is still requested then leave PTP on */
+ return efx_ptp_change_mode(efx,
+ init->tx_type != HWTSTAMP_TX_OFF, 0);
+ case HWTSTAMP_FILTER_ALL:
+ case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+ init->rx_filter = HWTSTAMP_FILTER_ALL;
+ rc = efx_ptp_change_mode(efx, true, 0);
+ if (!rc)
+ rc = efx_ef10_ptp_set_ts_sync_events(efx, true, false);
+ if (rc)
+ efx_ptp_change_mode(efx, false, 0);
+ return rc;
+ default:
+ return -ERANGE;
+ }
+}
+
const struct efx_nic_type efx_hunt_a0_nic_type = {
.mem_map_size = efx_ef10_mem_map_size,
.probe = efx_ef10_probe,
@@ -3018,13 +3607,16 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.fini = efx_port_dummy_op_void,
.map_reset_reason = efx_mcdi_map_reset_reason,
.map_reset_flags = efx_ef10_map_reset_flags,
- .reset = efx_mcdi_reset,
+ .reset = efx_ef10_reset,
.probe_port = efx_mcdi_port_probe,
.remove_port = efx_mcdi_port_remove,
.fini_dmaq = efx_ef10_fini_dmaq,
+ .prepare_flr = efx_ef10_prepare_flr,
+ .finish_flr = efx_port_dummy_op_void,
.describe_stats = efx_ef10_describe_stats,
.update_stats = efx_ef10_update_stats,
.start_stats = efx_mcdi_mac_start_stats,
+ .pull_stats = efx_mcdi_mac_pull_stats,
.stop_stats = efx_mcdi_mac_stop_stats,
.set_id_led = efx_mcdi_set_id_led,
.push_irq_moderation = efx_ef10_push_irq_moderation,
@@ -3034,7 +3626,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.get_wol = efx_ef10_get_wol,
.set_wol = efx_ef10_set_wol,
.resume_wol = efx_port_dummy_op_void,
- /* TODO: test_chip */
+ .test_chip = efx_ef10_test_chip,
.test_nvram = efx_mcdi_nvram_test_all,
.mcdi_request = efx_ef10_mcdi_request,
.mcdi_poll_response = efx_ef10_mcdi_poll_response,
@@ -3049,7 +3641,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.tx_init = efx_ef10_tx_init,
.tx_remove = efx_ef10_tx_remove,
.tx_write = efx_ef10_tx_write,
- .rx_push_indir_table = efx_ef10_rx_push_indir_table,
+ .rx_push_rss_config = efx_ef10_rx_push_rss_config,
.rx_probe = efx_ef10_rx_probe,
.rx_init = efx_ef10_rx_init,
.rx_remove = efx_ef10_rx_remove,
@@ -3086,11 +3678,14 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.mtd_sync = efx_mcdi_mtd_sync,
#endif
.ptp_write_host_time = efx_ef10_ptp_write_host_time,
+ .ptp_set_ts_sync_events = efx_ef10_ptp_set_ts_sync_events,
+ .ptp_set_ts_config = efx_ef10_ptp_set_ts_config,
.revision = EFX_REV_HUNT_A0,
.max_dma_mask = DMA_BIT_MASK(ESF_DZ_TX_KER_BUF_ADDR_WIDTH),
.rx_prefix_size = ES_DZ_RX_PREFIX_SIZE,
.rx_hash_offset = ES_DZ_RX_PREFIX_HASH_OFST,
+ .rx_ts_offset = ES_DZ_RX_PREFIX_TSTAMP_OFST,
.can_rx_scatter = true,
.always_rx_scatter = true,
.max_interrupt_mode = EFX_INT_MODE_MSIX,
@@ -3099,4 +3694,6 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
NETIF_F_RXHASH | NETIF_F_NTUPLE),
.mcdi_max_ver = 2,
.max_rx_ip_filters = HUNT_FILTER_TBL_ROWS,
+ .hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE |
+ 1 << HWTSTAMP_FILTER_ALL,
};