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Commit dc3273e0 authored by Andrew Rybchenko's avatar Andrew Rybchenko Committed by David S. Miller
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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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Inline Side-by-side
Showing with 51 additions and 37 deletions
drivers/net/ethernet/sfc/ef10.c
View file @ dc3273e0
......@@ -50,9 +50,21 @@ enum {
#define HUNT_FILTER_TBL_ROWS 8192
#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 {
u8 addr[ETH_ALEN];
u16 id;
};
struct efx_ef10_filter_table {
......@@ -73,18 +85,13 @@ struct efx_ef10_filter_table {
} *entry;
wait_queue_head_t waitq;
/* 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_mc_list[EFX_EF10_FILTER_DEV_MC_MAX];
int dev_uc_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 */
bool mc_promisc_last;
struct efx_ef10_filter_vlan vlan;
};
/* 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);
unsigned int pd_match_pri, pd_match_count;
struct efx_ef10_filter_table *table;
struct efx_ef10_filter_vlan *vlan;
unsigned int i;
size_t outlen;
int rc;
......@@ -3784,13 +3792,14 @@ static int efx_ef10_filter_table_probe(struct efx_nic *efx)
goto fail;
}
for (i = 0; i < ARRAY_SIZE(table->dev_uc_list); i++)
table->dev_uc_list[i].id = EFX_EF10_FILTER_ID_INVALID;
for (i = 0; i < ARRAY_SIZE(table->dev_mc_list); i++)
table->dev_mc_list[i].id = EFX_EF10_FILTER_ID_INVALID;
table->ucdef_id = EFX_EF10_FILTER_ID_INVALID;
table->bcast_id = EFX_EF10_FILTER_ID_INVALID;
table->mcdef_id = EFX_EF10_FILTER_ID_INVALID;
vlan = &table->vlan;
for (i = 0; i < ARRAY_SIZE(vlan->uc); i++)
vlan->uc[i] = EFX_EF10_FILTER_ID_INVALID;
for (i = 0; i < ARRAY_SIZE(vlan->mc); i++)
vlan->mc[i] = EFX_EF10_FILTER_ID_INVALID;
vlan->ucdef = EFX_EF10_FILTER_ID_INVALID;
vlan->bcast = EFX_EF10_FILTER_ID_INVALID;
vlan->mcdef = EFX_EF10_FILTER_ID_INVALID;
table->mc_promisc_last = false;
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)
{
struct efx_ef10_filter_table *table = efx->filter_state;
struct efx_ef10_filter_vlan *vlan = &table->vlan;
unsigned int i;
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 */
spin_lock_bh(&efx->filter_lock);
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++)
efx_ef10_filter_mark_one_old(efx, &table->dev_mc_list[i].id);
efx_ef10_filter_mark_one_old(efx, &table->ucdef_id);
efx_ef10_filter_mark_one_old(efx, &table->bcast_id);
efx_ef10_filter_mark_one_old(efx, &table->mcdef_id);
efx_ef10_filter_mark_one_old(efx, &vlan->mc[i]);
efx_ef10_filter_mark_one_old(efx, &vlan->ucdef);
efx_ef10_filter_mark_one_old(efx, &vlan->bcast);
efx_ef10_filter_mark_one_old(efx, &vlan->mcdef);
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)
{
struct efx_ef10_filter_table *table = efx->filter_state;
struct efx_ef10_filter_vlan *vlan = &table->vlan;
struct efx_ef10_dev_addr *addr_list;
enum efx_filter_flags filter_flags;
struct efx_filter_spec spec;
u8 baddr[ETH_ALEN];
unsigned int i, j;
int addr_count;
u16 *ids;
int rc;
if (multicast) {
addr_list = table->dev_mc_list;
addr_count = table->dev_mc_count;
ids = vlan->mc;
} else {
addr_list = table->dev_uc_list;
addr_count = table->dev_uc_count;
ids = vlan->uc;
}
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);
/* Fall back to promiscuous */
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;
efx_ef10_filter_remove_unsafe(
efx, EFX_FILTER_PRI_AUTO,
addr_list[j].id);
addr_list[j].id = EFX_EF10_FILTER_ID_INVALID;
ids[j]);
ids[j] = EFX_EF10_FILTER_ID_INVALID;
}
return rc;
} else {
......@@ -4034,7 +4048,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
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) {
......@@ -4048,18 +4062,18 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
"Broadcast filter insert failed rc=%d\n", rc);
/* Fall back to promiscuous */
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;
efx_ef10_filter_remove_unsafe(
efx, EFX_FILTER_PRI_AUTO,
addr_list[j].id);
addr_list[j].id = EFX_EF10_FILTER_ID_INVALID;
ids[j]);
ids[j] = EFX_EF10_FILTER_ID_INVALID;
}
return rc;
} else {
EFX_WARN_ON_PARANOID(table->bcast_id !=
EFX_WARN_ON_PARANOID(vlan->bcast !=
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_nic_data *nic_data = efx->nic_data;
struct efx_ef10_filter_vlan *vlan = &table->vlan;
enum efx_filter_flags filter_flags;
struct efx_filter_spec spec;
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",
multicast ? "Multi" : "Uni", rc);
} else if (multicast) {
EFX_WARN_ON_PARANOID(table->mcdef_id !=
EFX_EF10_FILTER_ID_INVALID);
table->mcdef_id = efx_ef10_filter_get_unsafe_id(efx, rc);
EFX_WARN_ON_PARANOID(vlan->mcdef != EFX_EF10_FILTER_ID_INVALID);
vlan->mcdef = efx_ef10_filter_get_unsafe_id(efx, rc);
if (!nic_data->workaround_26807) {
/* Also need an Ethernet broadcast filter */
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 */
efx_ef10_filter_remove_unsafe(
efx, EFX_FILTER_PRI_AUTO,
table->mcdef_id);
table->mcdef_id = EFX_EF10_FILTER_ID_INVALID;
vlan->mcdef);
vlan->mcdef = EFX_EF10_FILTER_ID_INVALID;
return rc;
}
} else {
EFX_WARN_ON_PARANOID(table->bcast_id !=
EFX_WARN_ON_PARANOID(vlan->bcast !=
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;
} else {
EFX_WARN_ON_PARANOID(table->ucdef_id != EFX_EF10_FILTER_ID_INVALID);
table->ucdef_id = rc;
EFX_WARN_ON_PARANOID(vlan->ucdef != EFX_EF10_FILTER_ID_INVALID);
vlan->ucdef = rc;
rc = 0;
}
return rc;
......
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