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Commit dc3273e0 authored by Andrew Rybchenko's avatar Andrew Rybchenko Committed by David S. Miller
Browse files

sfc: Move filter IDs to per-VLAN data structure



It is a step to support VLAN filtering in HW.
Until then, there is only one struct efx_ef10_filter_vlan per struct
efx_ef10_filter_table, with no VLAN information yet.

Signed-off-by: default avatarEdward Cree <ecree@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6a37958b
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+51 −37
Original line number Original line Diff line number Diff line
@@ -50,9 +50,21 @@ enum {
#define HUNT_FILTER_TBL_ROWS 8192
#define HUNT_FILTER_TBL_ROWS 8192


#define EFX_EF10_FILTER_ID_INVALID 0xffff
#define EFX_EF10_FILTER_ID_INVALID 0xffff

#define EFX_EF10_FILTER_DEV_UC_MAX	32
#define EFX_EF10_FILTER_DEV_MC_MAX	256

/* Per-VLAN filters information */
struct efx_ef10_filter_vlan {
	u16 uc[EFX_EF10_FILTER_DEV_UC_MAX];
	u16 mc[EFX_EF10_FILTER_DEV_MC_MAX];
	u16 ucdef;
	u16 bcast;
	u16 mcdef;
};

struct efx_ef10_dev_addr {
struct efx_ef10_dev_addr {
	u8 addr[ETH_ALEN];
	u8 addr[ETH_ALEN];
	u16 id;
};
};


struct efx_ef10_filter_table {
struct efx_ef10_filter_table {
@@ -73,18 +85,13 @@ struct efx_ef10_filter_table {
	} *entry;
	} *entry;
	wait_queue_head_t waitq;
	wait_queue_head_t waitq;
/* Shadow of net_device address lists, guarded by mac_lock */
/* Shadow of net_device address lists, guarded by mac_lock */
#define EFX_EF10_FILTER_DEV_UC_MAX	32
#define EFX_EF10_FILTER_DEV_MC_MAX	256
	struct efx_ef10_dev_addr dev_uc_list[EFX_EF10_FILTER_DEV_UC_MAX];
	struct efx_ef10_dev_addr dev_uc_list[EFX_EF10_FILTER_DEV_UC_MAX];
	struct efx_ef10_dev_addr dev_mc_list[EFX_EF10_FILTER_DEV_MC_MAX];
	struct efx_ef10_dev_addr dev_mc_list[EFX_EF10_FILTER_DEV_MC_MAX];
	int dev_uc_count;
	int dev_uc_count;
	int dev_mc_count;
	int dev_mc_count;
/* Indices (like efx_ef10_dev_addr.id) for promisc/allmulti filters */
	u16 ucdef_id;
	u16 bcast_id;
	u16 mcdef_id;
/* Whether in multicast promiscuous mode when last changed */
/* Whether in multicast promiscuous mode when last changed */
	bool mc_promisc_last;
	bool mc_promisc_last;
	struct efx_ef10_filter_vlan vlan;
};
};


/* An arbitrary search limit for the software hash table */
/* An arbitrary search limit for the software hash table */
@@ -3732,6 +3739,7 @@ static int efx_ef10_filter_table_probe(struct efx_nic *efx)
	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PARSER_DISP_INFO_OUT_LENMAX);
	MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PARSER_DISP_INFO_OUT_LENMAX);
	unsigned int pd_match_pri, pd_match_count;
	unsigned int pd_match_pri, pd_match_count;
	struct efx_ef10_filter_table *table;
	struct efx_ef10_filter_table *table;
	struct efx_ef10_filter_vlan *vlan;
	unsigned int i;
	unsigned int i;
	size_t outlen;
	size_t outlen;
	int rc;
	int rc;
@@ -3784,13 +3792,14 @@ static int efx_ef10_filter_table_probe(struct efx_nic *efx)
		goto fail;
		goto fail;
	}
	}


	for (i = 0; i < ARRAY_SIZE(table->dev_uc_list); i++)
	vlan = &table->vlan;
		table->dev_uc_list[i].id = EFX_EF10_FILTER_ID_INVALID;
	for (i = 0; i < ARRAY_SIZE(vlan->uc); i++)
	for (i = 0; i < ARRAY_SIZE(table->dev_mc_list); i++)
		vlan->uc[i] = EFX_EF10_FILTER_ID_INVALID;
		table->dev_mc_list[i].id = EFX_EF10_FILTER_ID_INVALID;
	for (i = 0; i < ARRAY_SIZE(vlan->mc); i++)
	table->ucdef_id = EFX_EF10_FILTER_ID_INVALID;
		vlan->mc[i] = EFX_EF10_FILTER_ID_INVALID;
	table->bcast_id = EFX_EF10_FILTER_ID_INVALID;
	vlan->ucdef = EFX_EF10_FILTER_ID_INVALID;
	table->mcdef_id = EFX_EF10_FILTER_ID_INVALID;
	vlan->bcast = EFX_EF10_FILTER_ID_INVALID;
	vlan->mcdef = EFX_EF10_FILTER_ID_INVALID;
	table->mc_promisc_last = false;
	table->mc_promisc_last = false;


	efx->filter_state = table;
	efx->filter_state = table;
@@ -3921,6 +3930,7 @@ static void efx_ef10_filter_mark_one_old(struct efx_nic *efx, uint16_t *id)
static void efx_ef10_filter_mark_old(struct efx_nic *efx)
static void efx_ef10_filter_mark_old(struct efx_nic *efx)
{
{
	struct efx_ef10_filter_table *table = efx->filter_state;
	struct efx_ef10_filter_table *table = efx->filter_state;
	struct efx_ef10_filter_vlan *vlan = &table->vlan;
	unsigned int i;
	unsigned int i;


	if (!table)
	if (!table)
@@ -3929,12 +3939,12 @@ static void efx_ef10_filter_mark_old(struct efx_nic *efx)
	/* Mark old filters that may need to be removed */
	/* Mark old filters that may need to be removed */
	spin_lock_bh(&efx->filter_lock);
	spin_lock_bh(&efx->filter_lock);
	for (i = 0; i < table->dev_uc_count; i++)
	for (i = 0; i < table->dev_uc_count; i++)
		efx_ef10_filter_mark_one_old(efx, &table->dev_uc_list[i].id);
		efx_ef10_filter_mark_one_old(efx, &vlan->uc[i]);
	for (i = 0; i < table->dev_mc_count; i++)
	for (i = 0; i < table->dev_mc_count; i++)
		efx_ef10_filter_mark_one_old(efx, &table->dev_mc_list[i].id);
		efx_ef10_filter_mark_one_old(efx, &vlan->mc[i]);
	efx_ef10_filter_mark_one_old(efx, &table->ucdef_id);
	efx_ef10_filter_mark_one_old(efx, &vlan->ucdef);
	efx_ef10_filter_mark_one_old(efx, &table->bcast_id);
	efx_ef10_filter_mark_one_old(efx, &vlan->bcast);
	efx_ef10_filter_mark_one_old(efx, &table->mcdef_id);
	efx_ef10_filter_mark_one_old(efx, &vlan->mcdef);
	spin_unlock_bh(&efx->filter_lock);
	spin_unlock_bh(&efx->filter_lock);
}
}


@@ -3990,20 +4000,24 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
					     bool multicast, bool rollback)
					     bool multicast, bool rollback)
{
{
	struct efx_ef10_filter_table *table = efx->filter_state;
	struct efx_ef10_filter_table *table = efx->filter_state;
	struct efx_ef10_filter_vlan *vlan = &table->vlan;
	struct efx_ef10_dev_addr *addr_list;
	struct efx_ef10_dev_addr *addr_list;
	enum efx_filter_flags filter_flags;
	enum efx_filter_flags filter_flags;
	struct efx_filter_spec spec;
	struct efx_filter_spec spec;
	u8 baddr[ETH_ALEN];
	u8 baddr[ETH_ALEN];
	unsigned int i, j;
	unsigned int i, j;
	int addr_count;
	int addr_count;
	u16 *ids;
	int rc;
	int rc;


	if (multicast) {
	if (multicast) {
		addr_list = table->dev_mc_list;
		addr_list = table->dev_mc_list;
		addr_count = table->dev_mc_count;
		addr_count = table->dev_mc_count;
		ids = vlan->mc;
	} else {
	} else {
		addr_list = table->dev_uc_list;
		addr_list = table->dev_uc_list;
		addr_count = table->dev_uc_count;
		addr_count = table->dev_uc_count;
		ids = vlan->uc;
	}
	}


	filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0;
	filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0;
@@ -4021,12 +4035,12 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
					   rc);
					   rc);
				/* Fall back to promiscuous */
				/* Fall back to promiscuous */
				for (j = 0; j < i; j++) {
				for (j = 0; j < i; j++) {
					if (addr_list[j].id == EFX_EF10_FILTER_ID_INVALID)
					if (ids[j] == EFX_EF10_FILTER_ID_INVALID)
						continue;
						continue;
					efx_ef10_filter_remove_unsafe(
					efx_ef10_filter_remove_unsafe(
						efx, EFX_FILTER_PRI_AUTO,
						efx, EFX_FILTER_PRI_AUTO,
						addr_list[j].id);
						ids[j]);
					addr_list[j].id = EFX_EF10_FILTER_ID_INVALID;
					ids[j] = EFX_EF10_FILTER_ID_INVALID;
				}
				}
				return rc;
				return rc;
			} else {
			} else {
@@ -4034,7 +4048,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
				rc = EFX_EF10_FILTER_ID_INVALID;
				rc = EFX_EF10_FILTER_ID_INVALID;
			}
			}
		}
		}
		addr_list[i].id = efx_ef10_filter_get_unsafe_id(efx, rc);
		ids[i] = efx_ef10_filter_get_unsafe_id(efx, rc);
	}
	}


	if (multicast && rollback) {
	if (multicast && rollback) {
@@ -4048,18 +4062,18 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
				   "Broadcast filter insert failed rc=%d\n", rc);
				   "Broadcast filter insert failed rc=%d\n", rc);
			/* Fall back to promiscuous */
			/* Fall back to promiscuous */
			for (j = 0; j < i; j++) {
			for (j = 0; j < i; j++) {
				if (addr_list[j].id == EFX_EF10_FILTER_ID_INVALID)
				if (ids[j] == EFX_EF10_FILTER_ID_INVALID)
					continue;
					continue;
				efx_ef10_filter_remove_unsafe(
				efx_ef10_filter_remove_unsafe(
					efx, EFX_FILTER_PRI_AUTO,
					efx, EFX_FILTER_PRI_AUTO,
					addr_list[j].id);
					ids[j]);
				addr_list[j].id = EFX_EF10_FILTER_ID_INVALID;
				ids[j] = EFX_EF10_FILTER_ID_INVALID;
			}
			}
			return rc;
			return rc;
		} else {
		} else {
			EFX_WARN_ON_PARANOID(table->bcast_id !=
			EFX_WARN_ON_PARANOID(vlan->bcast !=
					     EFX_EF10_FILTER_ID_INVALID);
					     EFX_EF10_FILTER_ID_INVALID);
			table->bcast_id = efx_ef10_filter_get_unsafe_id(efx, rc);
			vlan->bcast = efx_ef10_filter_get_unsafe_id(efx, rc);
		}
		}
	}
	}


@@ -4071,6 +4085,7 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast,
{
{
	struct efx_ef10_filter_table *table = efx->filter_state;
	struct efx_ef10_filter_table *table = efx->filter_state;
	struct efx_ef10_nic_data *nic_data = efx->nic_data;
	struct efx_ef10_nic_data *nic_data = efx->nic_data;
	struct efx_ef10_filter_vlan *vlan = &table->vlan;
	enum efx_filter_flags filter_flags;
	enum efx_filter_flags filter_flags;
	struct efx_filter_spec spec;
	struct efx_filter_spec spec;
	u8 baddr[ETH_ALEN];
	u8 baddr[ETH_ALEN];
@@ -4092,9 +4107,8 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast,
			     "%scast mismatch filter insert failed rc=%d\n",
			     "%scast mismatch filter insert failed rc=%d\n",
			     multicast ? "Multi" : "Uni", rc);
			     multicast ? "Multi" : "Uni", rc);
	} else if (multicast) {
	} else if (multicast) {
		EFX_WARN_ON_PARANOID(table->mcdef_id !=
		EFX_WARN_ON_PARANOID(vlan->mcdef != EFX_EF10_FILTER_ID_INVALID);
				     EFX_EF10_FILTER_ID_INVALID);
		vlan->mcdef = efx_ef10_filter_get_unsafe_id(efx, rc);
		table->mcdef_id = efx_ef10_filter_get_unsafe_id(efx, rc);
		if (!nic_data->workaround_26807) {
		if (!nic_data->workaround_26807) {
			/* Also need an Ethernet broadcast filter */
			/* Also need an Ethernet broadcast filter */
			efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
			efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
@@ -4111,20 +4125,20 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast,
					/* Roll back the mc_def filter */
					/* Roll back the mc_def filter */
					efx_ef10_filter_remove_unsafe(
					efx_ef10_filter_remove_unsafe(
							efx, EFX_FILTER_PRI_AUTO,
							efx, EFX_FILTER_PRI_AUTO,
							table->mcdef_id);
							vlan->mcdef);
					table->mcdef_id = EFX_EF10_FILTER_ID_INVALID;
					vlan->mcdef = EFX_EF10_FILTER_ID_INVALID;
					return rc;
					return rc;
				}
				}
			} else {
			} else {
				EFX_WARN_ON_PARANOID(table->bcast_id !=
				EFX_WARN_ON_PARANOID(vlan->bcast !=
						     EFX_EF10_FILTER_ID_INVALID);
						     EFX_EF10_FILTER_ID_INVALID);
				table->bcast_id = efx_ef10_filter_get_unsafe_id(efx, rc);
				vlan->bcast = efx_ef10_filter_get_unsafe_id(efx, rc);
			}
			}
		}
		}
		rc = 0;
		rc = 0;
	} else {
	} else {
		EFX_WARN_ON_PARANOID(table->ucdef_id != EFX_EF10_FILTER_ID_INVALID);
		EFX_WARN_ON_PARANOID(vlan->ucdef != EFX_EF10_FILTER_ID_INVALID);
		table->ucdef_id = rc;
		vlan->ucdef = rc;
		rc = 0;
		rc = 0;
	}
	}
	return rc;
	return rc;