Commit baf9573e authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next 



Ben Hutchings says:

====================
Miscellaneous changes for 3.14:

1. Add more information to some WARN messages.
2. Refactor pushing of RSS configuration, from Andrew Rybchenko.
3. Refactor handling of automatic (device address list) vs manual (RX
NFC) MAC filters.
4. Implement clearing of manual RX filters on EF10 when ntuple offload
is disabled.
5. Remove definitions that are unused since the RX buffer allocation
changes, from Andrew Rybchenko.
6. Improve naming of some statistics, from Shradha Shah.
7. Add statistics for PTP support code.
8. Fix insertion of RX drop filters on EF10.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents f66fd2dd a0bc3487

drivers/net/ethernet/sfc/ef10.c

+145 −106
Original line number Diff line number Diff line
@@ -53,31 +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);
@@ -679,7 +679,7 @@ static int efx_ef10_init_nic(struct efx_nic *efx) 
		nic_data->must_restore_piobufs = false;

	}



	efx_ef10_rx_push_indir_table(efx);

	efx_ef10_rx_push_rss_config(efx);

	return 0;

}
@@ -774,8 +774,8 @@ 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) |		\
@@ -844,8 +844,8 @@ 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)

{
@@ -1252,7 +1252,8 @@ static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue) 
	return;



fail:

	WARN_ON(true);

	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)
@@ -1419,12 +1420,12 @@ 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);
@@ -1492,9 +1493,9 @@ 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);

	WARN_ON(rc);



	return;

	if (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)
@@ -1718,8 +1719,6 @@ 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);
@@ -1755,7 +1754,10 @@ 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);
@@ -1770,7 +1772,12 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel, 


		/* 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;

		}
@@ -2238,7 +2245,9 @@ 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 :
@@ -2334,10 +2343,7 @@ 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;

				}
@@ -2391,11 +2397,13 @@ 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;

		}
@@ -2435,8 +2443,11 @@ 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;
@@ -2505,13 +2516,13 @@ static void efx_ef10_filter_update_rx_scatter(struct efx_nic *efx) 
}



/* 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;
@@ -2535,26 +2546,41 @@ 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,
@@ -2582,6 +2608,7 @@ 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:
@@ -2594,7 +2621,8 @@ 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,
@@ -2620,10 +2648,24 @@ 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,
@@ -2724,8 +2766,6 @@ 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;
@@ -3035,8 +3075,11 @@ 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);

	}
@@ -3060,15 +3103,15 @@ 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);
@@ -3077,28 +3120,28 @@ 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,

		table->dev_uc_count = 1 + netdev_uc_count(net_dev);

		memcpy(table->dev_uc_list[0].addr, net_dev->dev_addr,

		       ETH_ALEN);

		i = 1;

		netdev_for_each_uc_addr(uc, net_dev) {

			memcpy(table->stack_uc_list[i].addr,

			memcpy(table->dev_uc_list[i].addr,

			       uc->addr, ETH_ALEN);

			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,

			memcpy(table->dev_mc_list[i].addr,

			       mc->addr, ETH_ALEN);

			i++;

		}
@@ -3106,89 +3149,85 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx) 
	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,

		    EFX_EF10_FILTER_FLAG_AUTO_OLD) {

			if (efx_ef10_filter_remove_internal(

				    efx, 1U << EFX_FILTER_PRI_AUTO,

				    i, true) < 0)

				remove_failed = true;

		}
@@ -3564,7 +3603,7 @@ 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,

drivers/net/ethernet/sfc/efx.c

+1 −1
Original line number Diff line number Diff line
@@ -2151,7 +2151,7 @@ static int efx_set_features(struct net_device *net_dev, netdev_features_t data) 


	/* If disabling RX n-tuple filtering, clear existing filters */

	if (net_dev->features & ~data & NETIF_F_NTUPLE)

		efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL);

		return efx->type->filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL);



	return 0;

}

drivers/net/ethernet/sfc/efx.h

+0 −11
Original line number Diff line number Diff line
@@ -134,17 +134,6 @@ efx_filter_get_filter_safe(struct efx_nic *efx, 
	return efx->type->filter_get_safe(efx, priority, filter_id, spec);

}



/**

 * efx_farch_filter_clear_rx - remove RX filters by priority

 * @efx: NIC from which to remove the filters

 * @priority: Maximum priority to remove

 */

static inline void efx_filter_clear_rx(struct efx_nic *efx,

				       enum efx_filter_priority priority)

{

	return efx->type->filter_clear_rx(efx, priority);

}



static inline u32 efx_filter_count_rx_used(struct efx_nic *efx,

					   enum efx_filter_priority priority)

{

drivers/net/ethernet/sfc/ethtool.c

+8 −2
Original line number Diff line number Diff line
@@ -359,7 +359,8 @@ static int efx_ethtool_get_sset_count(struct net_device *net_dev, 
	switch (string_set) {

	case ETH_SS_STATS:

		return efx->type->describe_stats(efx, NULL) +

			EFX_ETHTOOL_SW_STAT_COUNT;

			EFX_ETHTOOL_SW_STAT_COUNT +

			efx_ptp_describe_stats(efx, NULL);

	case ETH_SS_TEST:

		return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);

	default:
@@ -380,6 +381,8 @@ static void efx_ethtool_get_strings(struct net_device *net_dev, 
		for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)

			strlcpy(strings + i * ETH_GSTRING_LEN,

				efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);

		strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;

		efx_ptp_describe_stats(efx, strings);

		break;

	case ETH_SS_TEST:

		efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
@@ -429,8 +432,11 @@ static void efx_ethtool_get_stats(struct net_device *net_dev, 
			break;

		}

	}

	data += EFX_ETHTOOL_SW_STAT_COUNT;



	spin_unlock_bh(&efx->stats_lock);



	efx_ptp_update_stats(efx, data);

}



static void efx_ethtool_self_test(struct net_device *net_dev,
@@ -1034,7 +1040,7 @@ static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev, 
	struct efx_nic *efx = netdev_priv(net_dev);



	memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));

	efx_nic_push_rx_indir_table(efx);

	efx->type->rx_push_rss_config(efx);

	return 0;

}

drivers/net/ethernet/sfc/falcon.c

+21 −5
Original line number Diff line number Diff line
@@ -467,6 +467,24 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id) 
		efx_schedule_channel_irq(efx_get_channel(efx, 1));

	return IRQ_HANDLED;

}

/**************************************************************************

 *

 * RSS

 *

 **************************************************************************

 */



static void falcon_b0_rx_push_rss_config(struct efx_nic *efx)

{

	efx_oword_t temp;



	/* Set hash key for IPv4 */

	memcpy(&temp, efx->rx_hash_key, sizeof(temp));

	efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);



	efx_farch_rx_push_indir_table(efx);

}



/**************************************************************************

 *

 * EEPROM/flash
@@ -2484,9 +2502,7 @@ static int falcon_init_nic(struct efx_nic *efx) 
	falcon_init_rx_cfg(efx);



	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {

		/* Set hash key for IPv4 */

		memcpy(&temp, efx->rx_hash_key, sizeof(temp));

		efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);

		falcon_b0_rx_push_rss_config(efx);



		/* Set destination of both TX and RX Flush events */

		EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
@@ -2703,7 +2719,7 @@ const struct efx_nic_type falcon_a1_nic_type = { 
	.tx_init = efx_farch_tx_init,

	.tx_remove = efx_farch_tx_remove,

	.tx_write = efx_farch_tx_write,

	.rx_push_indir_table = efx_farch_rx_push_indir_table,

	.rx_push_rss_config = efx_port_dummy_op_void,

	.rx_probe = efx_farch_rx_probe,

	.rx_init = efx_farch_rx_init,

	.rx_remove = efx_farch_rx_remove,
@@ -2798,7 +2814,7 @@ const struct efx_nic_type falcon_b0_nic_type = { 
	.tx_init = efx_farch_tx_init,

	.tx_remove = efx_farch_tx_remove,

	.tx_write = efx_farch_tx_write,

	.rx_push_indir_table = efx_farch_rx_push_indir_table,

	.rx_push_rss_config = falcon_b0_rx_push_rss_config,

	.rx_probe = efx_farch_rx_probe,

	.rx_init = efx_farch_rx_init,

	.rx_remove = efx_farch_rx_remove,

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