forked from Minki/linux
sfc: Remove EFX_FILTER_FLAG_RX_OVERRIDE_IP
This filter flag cannot yet be set through the ethtool command and will not be supported on future hardware. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings
parent
1ac0226eb0
commit
9e0f9a1057
@ -961,9 +961,7 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
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int rc;
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/* Check that user wants us to choose the location */
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if (rule->location != RX_CLS_LOC_ANY &&
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rule->location != RX_CLS_LOC_FIRST &&
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rule->location != RX_CLS_LOC_LAST)
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if (rule->location != RX_CLS_LOC_ANY)
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return -EINVAL;
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/* Range-check ring_cookie */
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@ -977,9 +975,7 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
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rule->m_ext.data[1]))
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return -EINVAL;
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efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
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(rule->location == RX_CLS_LOC_FIRST) ?
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EFX_FILTER_FLAG_RX_OVERRIDE_IP : 0,
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efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, 0,
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(rule->ring_cookie == RX_CLS_FLOW_DISC) ?
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0xfff : rule->ring_cookie);
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@ -161,10 +161,6 @@ static void efx_filter_push_rx_config(struct efx_nic *efx)
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filter_ctl, FRF_CZ_UNICAST_NOMATCH_RSS_ENABLED,
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!!(table->spec[EFX_FILTER_INDEX_UC_DEF].flags &
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EFX_FILTER_FLAG_RX_RSS));
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EFX_SET_OWORD_FIELD(
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filter_ctl, FRF_CZ_UNICAST_NOMATCH_IP_OVERRIDE,
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!!(table->spec[EFX_FILTER_INDEX_UC_DEF].flags &
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EFX_FILTER_FLAG_RX_OVERRIDE_IP));
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EFX_SET_OWORD_FIELD(
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filter_ctl, FRF_CZ_MULTICAST_NOMATCH_Q_ID,
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table->spec[EFX_FILTER_INDEX_MC_DEF].dmaq_id);
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@ -172,10 +168,6 @@ static void efx_filter_push_rx_config(struct efx_nic *efx)
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filter_ctl, FRF_CZ_MULTICAST_NOMATCH_RSS_ENABLED,
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!!(table->spec[EFX_FILTER_INDEX_MC_DEF].flags &
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EFX_FILTER_FLAG_RX_RSS));
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EFX_SET_OWORD_FIELD(
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filter_ctl, FRF_CZ_MULTICAST_NOMATCH_IP_OVERRIDE,
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!!(table->spec[EFX_FILTER_INDEX_MC_DEF].flags &
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EFX_FILTER_FLAG_RX_OVERRIDE_IP));
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}
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efx_writeo(efx, &filter_ctl, FR_BZ_RX_FILTER_CTL);
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@ -480,14 +472,12 @@ static u32 efx_filter_build(efx_oword_t *filter, struct efx_filter_spec *spec)
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case EFX_FILTER_TABLE_RX_MAC: {
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bool is_wild = spec->type == EFX_FILTER_MAC_WILD;
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EFX_POPULATE_OWORD_8(
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EFX_POPULATE_OWORD_7(
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*filter,
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FRF_CZ_RMFT_RSS_EN,
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!!(spec->flags & EFX_FILTER_FLAG_RX_RSS),
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FRF_CZ_RMFT_SCATTER_EN,
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!!(spec->flags & EFX_FILTER_FLAG_RX_SCATTER),
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FRF_CZ_RMFT_IP_OVERRIDE,
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!!(spec->flags & EFX_FILTER_FLAG_RX_OVERRIDE_IP),
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FRF_CZ_RMFT_RXQ_ID, spec->dmaq_id,
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FRF_CZ_RMFT_WILDCARD_MATCH, is_wild,
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FRF_CZ_RMFT_DEST_MAC_HI, spec->data[2],
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@ -569,31 +559,15 @@ static int efx_filter_search(struct efx_filter_table *table,
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/*
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* Construct/deconstruct external filter IDs. These must be ordered
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* by matching priority, for RX NFC semantics.
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*
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* Each RX MAC filter entry has a flag for whether it can override an
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* RX IP filter that also matches. So we assign locations for MAC
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* filters with overriding behaviour, then for IP filters, then for
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* MAC filters without overriding behaviour.
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*/
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#define EFX_FILTER_MATCH_PRI_RX_MAC_OVERRIDE_IP 0
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#define EFX_FILTER_MATCH_PRI_RX_DEF_OVERRIDE_IP 1
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#define EFX_FILTER_MATCH_PRI_NORMAL_BASE 2
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#define EFX_FILTER_INDEX_WIDTH 13
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#define EFX_FILTER_INDEX_MASK ((1 << EFX_FILTER_INDEX_WIDTH) - 1)
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static inline u32 efx_filter_make_id(enum efx_filter_table_id table_id,
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unsigned int index, u8 flags)
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{
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unsigned int match_pri = EFX_FILTER_MATCH_PRI_NORMAL_BASE + table_id;
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if (flags & EFX_FILTER_FLAG_RX_OVERRIDE_IP) {
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if (table_id == EFX_FILTER_TABLE_RX_MAC)
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match_pri = EFX_FILTER_MATCH_PRI_RX_MAC_OVERRIDE_IP;
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else if (table_id == EFX_FILTER_TABLE_RX_DEF)
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match_pri = EFX_FILTER_MATCH_PRI_RX_DEF_OVERRIDE_IP;
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}
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unsigned int match_pri = table_id;
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return match_pri << EFX_FILTER_INDEX_WIDTH | index;
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}
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@ -602,14 +576,7 @@ static inline enum efx_filter_table_id efx_filter_id_table_id(u32 id)
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{
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unsigned int match_pri = id >> EFX_FILTER_INDEX_WIDTH;
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switch (match_pri) {
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case EFX_FILTER_MATCH_PRI_RX_MAC_OVERRIDE_IP:
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return EFX_FILTER_TABLE_RX_MAC;
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case EFX_FILTER_MATCH_PRI_RX_DEF_OVERRIDE_IP:
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return EFX_FILTER_TABLE_RX_DEF;
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default:
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return match_pri - EFX_FILTER_MATCH_PRI_NORMAL_BASE;
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}
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return match_pri;
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}
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static inline unsigned int efx_filter_id_index(u32 id)
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@ -621,10 +588,7 @@ static inline u8 efx_filter_id_flags(u32 id)
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{
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unsigned int match_pri = id >> EFX_FILTER_INDEX_WIDTH;
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if (match_pri < EFX_FILTER_MATCH_PRI_NORMAL_BASE)
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return EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_RX_OVERRIDE_IP;
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else if (match_pri <=
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EFX_FILTER_MATCH_PRI_NORMAL_BASE + EFX_FILTER_TABLE_RX_DEF)
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if (match_pri <= EFX_FILTER_TABLE_RX_DEF)
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return EFX_FILTER_FLAG_RX;
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else
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return EFX_FILTER_FLAG_TX;
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@ -637,8 +601,7 @@ u32 efx_filter_get_rx_id_limit(struct efx_nic *efx)
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do {
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if (state->table[table_id].size != 0)
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return ((EFX_FILTER_MATCH_PRI_NORMAL_BASE + table_id)
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<< EFX_FILTER_INDEX_WIDTH) +
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return (table_id << EFX_FILTER_INDEX_WIDTH) +
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state->table[table_id].size;
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} while (table_id--);
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@ -781,8 +744,7 @@ int efx_filter_remove_id_safe(struct efx_nic *efx,
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spin_lock_bh(&state->lock);
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if (test_bit(filter_idx, table->used_bitmap) &&
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spec->priority == priority &&
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!((spec->flags ^ filter_flags) & EFX_FILTER_FLAG_RX_OVERRIDE_IP)) {
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spec->priority == priority) {
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efx_filter_table_clear_entry(efx, table, filter_idx);
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if (table->used == 0)
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efx_filter_table_reset_search_depth(table);
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@ -833,8 +795,7 @@ int efx_filter_get_filter_safe(struct efx_nic *efx,
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spin_lock_bh(&state->lock);
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if (test_bit(filter_idx, table->used_bitmap) &&
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spec->priority == priority &&
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!((spec->flags ^ filter_flags) & EFX_FILTER_FLAG_RX_OVERRIDE_IP)) {
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spec->priority == priority) {
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*spec_buf = *spec;
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rc = 0;
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} else {
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@ -61,16 +61,12 @@ enum efx_filter_priority {
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* according to the indirection table.
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* @EFX_FILTER_FLAG_RX_SCATTER: Enable DMA scatter on the receiving
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* queue.
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* @EFX_FILTER_FLAG_RX_OVERRIDE_IP: Enables a MAC filter to override
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* any IP filter that matches the same packet. By default, IP
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* filters take precedence.
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* @EFX_FILTER_FLAG_RX: Filter is for RX
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* @EFX_FILTER_FLAG_TX: Filter is for TX
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*/
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enum efx_filter_flags {
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EFX_FILTER_FLAG_RX_RSS = 0x01,
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EFX_FILTER_FLAG_RX_SCATTER = 0x02,
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EFX_FILTER_FLAG_RX_OVERRIDE_IP = 0x04,
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EFX_FILTER_FLAG_RX = 0x08,
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EFX_FILTER_FLAG_TX = 0x10,
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};
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@ -88,8 +84,7 @@ enum efx_filter_flags {
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*
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* The @priority field is used by software to determine whether a new
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* filter may replace an old one. The hardware priority of a filter
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* depends on the filter type and %EFX_FILTER_FLAG_RX_OVERRIDE_IP
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* flag.
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* depends on the filter type.
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*/
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struct efx_filter_spec {
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u8 type:4;
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