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path: root/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_ethtool.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ethtool.c749
1 files changed, 399 insertions, 350 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index b1d7d8c5cb9..4a488ffcd6b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -46,6 +46,8 @@ struct i40e_stats {
I40E_STAT(struct i40e_pf, _name, _stat)
#define I40E_VSI_STAT(_name, _stat) \
I40E_STAT(struct i40e_vsi, _name, _stat)
+#define I40E_VEB_STAT(_name, _stat) \
+ I40E_STAT(struct i40e_veb, _name, _stat)
static const struct i40e_stats i40e_gstrings_net_stats[] = {
I40E_NETDEV_STAT(rx_packets),
@@ -56,12 +58,39 @@ static const struct i40e_stats i40e_gstrings_net_stats[] = {
I40E_NETDEV_STAT(tx_errors),
I40E_NETDEV_STAT(rx_dropped),
I40E_NETDEV_STAT(tx_dropped),
- I40E_NETDEV_STAT(multicast),
I40E_NETDEV_STAT(collisions),
I40E_NETDEV_STAT(rx_length_errors),
I40E_NETDEV_STAT(rx_crc_errors),
};
+static const struct i40e_stats i40e_gstrings_veb_stats[] = {
+ I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
+ I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
+ I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
+ I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
+ I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
+ I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
+ I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
+ I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
+ I40E_VEB_STAT("rx_discards", stats.rx_discards),
+ I40E_VEB_STAT("tx_discards", stats.tx_discards),
+ I40E_VEB_STAT("tx_errors", stats.tx_errors),
+ I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
+};
+
+static const struct i40e_stats i40e_gstrings_misc_stats[] = {
+ I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
+ I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
+ I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
+ I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
+ I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
+ I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
+ I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
+};
+
+static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
+ struct ethtool_rxnfc *cmd);
+
/* These PF_STATs might look like duplicates of some NETDEV_STATs,
* but they are separate. This device supports Virtualization, and
* as such might have several netdevs supporting VMDq and FCoE going
@@ -75,7 +104,12 @@ static const struct i40e_stats i40e_gstrings_net_stats[] = {
static struct i40e_stats i40e_gstrings_stats[] = {
I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
- I40E_PF_STAT("rx_errors", stats.eth.rx_errors),
+ I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
+ I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
+ I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
+ I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
+ I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
+ I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
I40E_PF_STAT("tx_dropped", stats.eth.tx_discards),
@@ -84,6 +118,8 @@ static struct i40e_stats i40e_gstrings_stats[] = {
I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
+ I40E_PF_STAT("tx_timeout", tx_timeout_count),
+ I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
@@ -108,16 +144,26 @@ static struct i40e_stats i40e_gstrings_stats[] = {
I40E_PF_STAT("rx_oversize", stats.rx_oversize),
I40E_PF_STAT("rx_jabber", stats.rx_jabber),
I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
- I40E_PF_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
+ I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
+ I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
+
+ /* LPI stats */
+ I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
+ I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
+ I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
+ I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
};
#define I40E_QUEUE_STATS_LEN(n) \
- ((((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs + \
- ((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs) * 2)
+ (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
+ * 2 /* Tx and Rx together */ \
+ * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
+#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
+ I40E_MISC_STATS_LEN + \
I40E_QUEUE_STATS_LEN((n)))
#define I40E_PFC_STATS_LEN ( \
(FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
@@ -126,6 +172,7 @@ static struct i40e_stats i40e_gstrings_stats[] = {
FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
/ sizeof(u64))
+#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
I40E_PFC_STATS_LEN + \
I40E_VSI_STATS_LEN((n)))
@@ -387,7 +434,7 @@ static int i40e_get_eeprom(struct net_device *netdev,
ret_val = i40e_aq_read_nvm(hw, 0x0,
eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
len,
- (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
+ eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
last, NULL);
if (ret_val) {
dev_info(&pf->pdev->dev,
@@ -399,7 +446,7 @@ static int i40e_get_eeprom(struct net_device *netdev,
release_nvm:
i40e_release_nvm(hw);
- memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
+ memcpy(bytes, eeprom_buff, eeprom->len);
free_buff:
kfree(eeprom_buff);
return ret_val;
@@ -611,10 +658,15 @@ static int i40e_get_sset_count(struct net_device *netdev, int sset)
case ETH_SS_TEST:
return I40E_TEST_LEN;
case ETH_SS_STATS:
- if (vsi == pf->vsi[pf->lan_vsi])
- return I40E_PF_STATS_LEN(netdev);
- else
+ if (vsi == pf->vsi[pf->lan_vsi]) {
+ int len = I40E_PF_STATS_LEN(netdev);
+
+ if (pf->lan_veb != I40E_NO_VEB)
+ len += I40E_VEB_STATS_LEN;
+ return len;
+ } else {
return I40E_VSI_STATS_LEN(netdev);
+ }
default:
return -EOPNOTSUPP;
}
@@ -624,6 +676,7 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_ring *tx_ring, *rx_ring;
struct i40e_vsi *vsi = np->vsi;
struct i40e_pf *pf = vsi->back;
int i = 0;
@@ -639,47 +692,63 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
+ for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
+ p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
rcu_read_lock();
- for (j = 0; j < vsi->num_queue_pairs; j++, i += 4) {
- struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
- struct i40e_ring *rx_ring;
+ for (j = 0; j < vsi->num_queue_pairs; j++) {
+ tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
if (!tx_ring)
continue;
/* process Tx ring statistics */
do {
- start = u64_stats_fetch_begin_bh(&tx_ring->syncp);
+ start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
data[i] = tx_ring->stats.packets;
data[i + 1] = tx_ring->stats.bytes;
- } while (u64_stats_fetch_retry_bh(&tx_ring->syncp, start));
+ } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
+ i += 2;
/* Rx ring is the 2nd half of the queue pair */
rx_ring = &tx_ring[1];
do {
- start = u64_stats_fetch_begin_bh(&rx_ring->syncp);
- data[i + 2] = rx_ring->stats.packets;
- data[i + 3] = rx_ring->stats.bytes;
- } while (u64_stats_fetch_retry_bh(&rx_ring->syncp, start));
+ start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
+ data[i] = rx_ring->stats.packets;
+ data[i + 1] = rx_ring->stats.bytes;
+ } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
+ i += 2;
}
rcu_read_unlock();
- if (vsi == pf->vsi[pf->lan_vsi]) {
- for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
- p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
- data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
- sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
- }
- for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
- data[i++] = pf->stats.priority_xon_tx[j];
- data[i++] = pf->stats.priority_xoff_tx[j];
- }
- for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
- data[i++] = pf->stats.priority_xon_rx[j];
- data[i++] = pf->stats.priority_xoff_rx[j];
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return;
+
+ if (pf->lan_veb != I40E_NO_VEB) {
+ struct i40e_veb *veb = pf->veb[pf->lan_veb];
+ for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
+ p = (char *)veb;
+ p += i40e_gstrings_veb_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
- for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
- data[i++] = pf->stats.priority_xon_2_xoff[j];
}
+ for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
+ p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
+ data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+ for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
+ data[i++] = pf->stats.priority_xon_tx[j];
+ data[i++] = pf->stats.priority_xoff_tx[j];
+ }
+ for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
+ data[i++] = pf->stats.priority_xon_rx[j];
+ data[i++] = pf->stats.priority_xoff_rx[j];
+ }
+ for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
+ data[i++] = pf->stats.priority_xon_2_xoff[j];
}
static void i40e_get_strings(struct net_device *netdev, u32 stringset,
@@ -704,6 +773,11 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
i40e_gstrings_net_stats[i].stat_string);
p += ETH_GSTRING_LEN;
}
+ for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "%s",
+ i40e_gstrings_misc_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
for (i = 0; i < vsi->num_queue_pairs; i++) {
snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
p += ETH_GSTRING_LEN;
@@ -714,34 +788,42 @@ static void i40e_get_strings(struct net_device *netdev, u32 stringset,
snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
p += ETH_GSTRING_LEN;
}
- if (vsi == pf->vsi[pf->lan_vsi]) {
- for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
- snprintf(p, ETH_GSTRING_LEN, "port.%s",
- i40e_gstrings_stats[i].stat_string);
- p += ETH_GSTRING_LEN;
- }
- for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
- snprintf(p, ETH_GSTRING_LEN,
- "port.tx_priority_%u_xon", i);
- p += ETH_GSTRING_LEN;
- snprintf(p, ETH_GSTRING_LEN,
- "port.tx_priority_%u_xoff", i);
- p += ETH_GSTRING_LEN;
- }
- for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
- snprintf(p, ETH_GSTRING_LEN,
- "port.rx_priority_%u_xon", i);
- p += ETH_GSTRING_LEN;
- snprintf(p, ETH_GSTRING_LEN,
- "port.rx_priority_%u_xoff", i);
- p += ETH_GSTRING_LEN;
- }
- for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
- snprintf(p, ETH_GSTRING_LEN,
- "port.rx_priority_%u_xon_2_xoff", i);
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return;
+
+ if (pf->lan_veb != I40E_NO_VEB) {
+ for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "veb.%s",
+ i40e_gstrings_veb_stats[i].stat_string);
p += ETH_GSTRING_LEN;
}
}
+ for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
+ snprintf(p, ETH_GSTRING_LEN, "port.%s",
+ i40e_gstrings_stats[i].stat_string);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.tx_priority_%u_xon", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.tx_priority_%u_xoff", i);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.rx_priority_%u_xon", i);
+ p += ETH_GSTRING_LEN;
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.rx_priority_%u_xoff", i);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ "port.rx_priority_%u_xon_2_xoff", i);
+ p += ETH_GSTRING_LEN;
+ }
/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
break;
}
@@ -998,14 +1080,13 @@ static int i40e_get_coalesce(struct net_device *netdev,
ec->rx_max_coalesced_frames_irq = vsi->work_limit;
if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
- ec->rx_coalesce_usecs = 1;
- else
- ec->rx_coalesce_usecs = vsi->rx_itr_setting;
+ ec->use_adaptive_rx_coalesce = 1;
if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
- ec->tx_coalesce_usecs = 1;
- else
- ec->tx_coalesce_usecs = vsi->tx_itr_setting;
+ ec->use_adaptive_tx_coalesce = 1;
+
+ ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
+ ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
return 0;
}
@@ -1024,37 +1105,27 @@ static int i40e_set_coalesce(struct net_device *netdev,
if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
vsi->work_limit = ec->tx_max_coalesced_frames_irq;
- switch (ec->rx_coalesce_usecs) {
- case 0:
- vsi->rx_itr_setting = 0;
- break;
- case 1:
- vsi->rx_itr_setting = (I40E_ITR_DYNAMIC |
- ITR_REG_TO_USEC(I40E_ITR_RX_DEF));
- break;
- default:
- if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
- (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1)))
- return -EINVAL;
+ if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
+ (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1)))
vsi->rx_itr_setting = ec->rx_coalesce_usecs;
- break;
- }
+ else
+ return -EINVAL;
- switch (ec->tx_coalesce_usecs) {
- case 0:
- vsi->tx_itr_setting = 0;
- break;
- case 1:
- vsi->tx_itr_setting = (I40E_ITR_DYNAMIC |
- ITR_REG_TO_USEC(I40E_ITR_TX_DEF));
- break;
- default:
- if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
- (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1)))
- return -EINVAL;
+ if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
+ (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1)))
vsi->tx_itr_setting = ec->tx_coalesce_usecs;
- break;
- }
+ else
+ return -EINVAL;
+
+ if (ec->use_adaptive_rx_coalesce)
+ vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
+ else
+ vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
+
+ if (ec->use_adaptive_tx_coalesce)
+ vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
+ else
+ vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
vector = vsi->base_vector;
for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
@@ -1112,6 +1183,92 @@ static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
}
/**
+ * i40e_get_ethtool_fdir_all - Populates the rule count of a command
+ * @pf: Pointer to the physical function struct
+ * @cmd: The command to get or set Rx flow classification rules
+ * @rule_locs: Array of used rule locations
+ *
+ * This function populates both the total and actual rule count of
+ * the ethtool flow classification command
+ *
+ * Returns 0 on success or -EMSGSIZE if entry not found
+ **/
+static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
+ struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct i40e_fdir_filter *rule;
+ struct hlist_node *node2;
+ int cnt = 0;
+
+ /* report total rule count */
+ cmd->data = i40e_get_fd_cnt_all(pf);
+
+ hlist_for_each_entry_safe(rule, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ if (cnt == cmd->rule_cnt)
+ return -EMSGSIZE;
+
+ rule_locs[cnt] = rule->fd_id;
+ cnt++;
+ }
+
+ cmd->rule_cnt = cnt;
+
+ return 0;
+}
+
+/**
+ * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
+ * @pf: Pointer to the physical function struct
+ * @cmd: The command to get or set Rx flow classification rules
+ *
+ * This function looks up a filter based on the Rx flow classification
+ * command and fills the flow spec info for it if found
+ *
+ * Returns 0 on success or -EINVAL if filter not found
+ **/
+static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
+ struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp =
+ (struct ethtool_rx_flow_spec *)&cmd->fs;
+ struct i40e_fdir_filter *rule = NULL;
+ struct hlist_node *node2;
+
+ hlist_for_each_entry_safe(rule, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ if (fsp->location <= rule->fd_id)
+ break;
+ }
+
+ if (!rule || fsp->location != rule->fd_id)
+ return -EINVAL;
+
+ fsp->flow_type = rule->flow_type;
+ if (fsp->flow_type == IP_USER_FLOW) {
+ fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
+ fsp->h_u.usr_ip4_spec.proto = 0;
+ fsp->m_u.usr_ip4_spec.proto = 0;
+ }
+
+ /* Reverse the src and dest notion, since the HW views them from
+ * Tx perspective where as the user expects it from Rx filter view.
+ */
+ fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
+ fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
+ fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
+ fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
+
+ if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
+ fsp->ring_cookie = RX_CLS_FLOW_DISC;
+ else
+ fsp->ring_cookie = rule->q_index;
+
+ return 0;
+}
+
+/**
* i40e_get_rxnfc - command to get RX flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
@@ -1135,15 +1292,17 @@ static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
ret = i40e_get_rss_hash_opts(pf, cmd);
break;
case ETHTOOL_GRXCLSRLCNT:
- cmd->rule_cnt = 10;
+ cmd->rule_cnt = pf->fdir_pf_active_filters;
+ /* report total rule count */
+ cmd->data = i40e_get_fd_cnt_all(pf);
ret = 0;
break;
case ETHTOOL_GRXCLSRULE:
- ret = 0;
+ ret = i40e_get_ethtool_fdir_entry(pf, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
- cmd->data = 500;
- ret = 0;
+ ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
+ break;
default:
break;
}
@@ -1204,16 +1363,12 @@ static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
case UDP_V4_FLOW:
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
case 0:
- hena &=
- ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
+ hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
break;
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
- hena |=
- (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
+ hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
break;
default:
return -EINVAL;
@@ -1222,16 +1377,12 @@ static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
case UDP_V6_FLOW:
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
case 0:
- hena &=
- ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
+ hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
break;
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
- hena |=
- (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |
- ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
+ hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
break;
default:
return -EINVAL;
@@ -1274,289 +1425,187 @@ static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
return 0;
}
-#define IP_HEADER_OFFSET 14
-#define I40E_UDPIP_DUMMY_PACKET_LEN 42
/**
- * i40e_add_del_fdir_udpv4 - Add/Remove UDPv4 Flow Director filters for
- * a specific flow spec
- * @vsi: pointer to the targeted VSI
- * @fd_data: the flow director data required from the FDir descriptor
- * @ethtool_rx_flow_spec: the flow spec
- * @add: true adds a filter, false removes it
+ * i40e_match_fdir_input_set - Match a new filter against an existing one
+ * @rule: The filter already added
+ * @input: The new filter to comapre against
*
- * Returns 0 if the filters were successfully added or removed
+ * Returns true if the two input set match
**/
-static int i40e_add_del_fdir_udpv4(struct i40e_vsi *vsi,
- struct i40e_fdir_data *fd_data,
- struct ethtool_rx_flow_spec *fsp, bool add)
+static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
+ struct i40e_fdir_filter *input)
{
- struct i40e_pf *pf = vsi->back;
- struct udphdr *udp;
- struct iphdr *ip;
- bool err = false;
- int ret;
- int i;
- char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0,
- 0x45, 0, 0, 0x1c, 0, 0, 0x40, 0, 0x40, 0x11,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0};
-
- memcpy(fd_data->raw_packet, packet, I40E_UDPIP_DUMMY_PACKET_LEN);
-
- ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
- udp = (struct udphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET
- + sizeof(struct iphdr));
-
- ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src;
- ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst;
- udp->source = fsp->h_u.tcp_ip4_spec.psrc;
- udp->dest = fsp->h_u.tcp_ip4_spec.pdst;
-
- for (i = I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP;
- i <= I40E_FILTER_PCTYPE_NONF_IPV4_UDP; i++) {
- fd_data->pctype = i;
- ret = i40e_program_fdir_filter(fd_data, pf, add);
-
- if (ret) {
- dev_info(&pf->pdev->dev,
- "Filter command send failed for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
- err = true;
- } else {
- dev_info(&pf->pdev->dev,
- "Filter OK for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
- }
- }
-
- return err ? -EOPNOTSUPP : 0;
+ if ((rule->dst_ip[0] != input->dst_ip[0]) ||
+ (rule->src_ip[0] != input->src_ip[0]) ||
+ (rule->dst_port != input->dst_port) ||
+ (rule->src_port != input->src_port))
+ return false;
+ return true;
}
-#define I40E_TCPIP_DUMMY_PACKET_LEN 54
/**
- * i40e_add_del_fdir_tcpv4 - Add/Remove TCPv4 Flow Director filters for
- * a specific flow spec
- * @vsi: pointer to the targeted VSI
- * @fd_data: the flow director data required from the FDir descriptor
- * @ethtool_rx_flow_spec: the flow spec
- * @add: true adds a filter, false removes it
+ * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
+ * @vsi: Pointer to the targeted VSI
+ * @input: The filter to update or NULL to indicate deletion
+ * @sw_idx: Software index to the filter
+ * @cmd: The command to get or set Rx flow classification rules
+ *
+ * This function updates (or deletes) a Flow Director entry from
+ * the hlist of the corresponding PF
*
- * Returns 0 if the filters were successfully added or removed
+ * Returns 0 on success
**/
-static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi,
- struct i40e_fdir_data *fd_data,
- struct ethtool_rx_flow_spec *fsp, bool add)
+static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
+ struct i40e_fdir_filter *input,
+ u16 sw_idx,
+ struct ethtool_rxnfc *cmd)
{
+ struct i40e_fdir_filter *rule, *parent;
struct i40e_pf *pf = vsi->back;
- struct tcphdr *tcp;
- struct iphdr *ip;
- bool err = false;
- int ret;
- /* Dummy packet */
- char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0,
- 0x45, 0, 0, 0x28, 0, 0, 0x40, 0, 0x40, 0x6,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0x80, 0x11, 0x0, 0x72, 0, 0, 0, 0};
-
- memcpy(fd_data->raw_packet, packet, I40E_TCPIP_DUMMY_PACKET_LEN);
-
- ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
- tcp = (struct tcphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET
- + sizeof(struct iphdr));
-
- ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst;
- tcp->dest = fsp->h_u.tcp_ip4_spec.pdst;
- ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src;
- tcp->source = fsp->h_u.tcp_ip4_spec.psrc;
-
- if (add) {
- if (pf->flags & I40E_FLAG_FD_ATR_ENABLED) {
- dev_info(&pf->pdev->dev, "Forcing ATR off, sideband rules for TCP/IPv4 flow being applied\n");
- pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
- }
- }
+ struct hlist_node *node2;
+ int err = -EINVAL;
- fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN;
- ret = i40e_program_fdir_filter(fd_data, pf, add);
+ parent = NULL;
+ rule = NULL;
- if (ret) {
- dev_info(&pf->pdev->dev,
- "Filter command send failed for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
- err = true;
- } else {
- dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
+ hlist_for_each_entry_safe(rule, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ /* hash found, or no matching entry */
+ if (rule->fd_id >= sw_idx)
+ break;
+ parent = rule;
}
- fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
-
- ret = i40e_program_fdir_filter(fd_data, pf, add);
- if (ret) {
- dev_info(&pf->pdev->dev,
- "Filter command send failed for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
- err = true;
- } else {
- dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
+ /* if there is an old rule occupying our place remove it */
+ if (rule && (rule->fd_id == sw_idx)) {
+ if (input && !i40e_match_fdir_input_set(rule, input))
+ err = i40e_add_del_fdir(vsi, rule, false);
+ else if (!input)
+ err = i40e_add_del_fdir(vsi, rule, false);
+ hlist_del(&rule->fdir_node);
+ kfree(rule);
+ pf->fdir_pf_active_filters--;
}
- return err ? -EOPNOTSUPP : 0;
-}
+ /* If no input this was a delete, err should be 0 if a rule was
+ * successfully found and removed from the list else -EINVAL
+ */
+ if (!input)
+ return err;
-/**
- * i40e_add_del_fdir_sctpv4 - Add/Remove SCTPv4 Flow Director filters for
- * a specific flow spec
- * @vsi: pointer to the targeted VSI
- * @fd_data: the flow director data required from the FDir descriptor
- * @ethtool_rx_flow_spec: the flow spec
- * @add: true adds a filter, false removes it
- *
- * Returns 0 if the filters were successfully added or removed
- **/
-static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi,
- struct i40e_fdir_data *fd_data,
- struct ethtool_rx_flow_spec *fsp, bool add)
-{
- return -EOPNOTSUPP;
+ /* initialize node and set software index */
+ INIT_HLIST_NODE(&input->fdir_node);
+
+ /* add filter to the list */
+ if (parent)
+ hlist_add_after(&parent->fdir_node, &input->fdir_node);
+ else
+ hlist_add_head(&input->fdir_node,
+ &pf->fdir_filter_list);
+
+ /* update counts */
+ pf->fdir_pf_active_filters++;
+
+ return 0;
}
-#define I40E_IP_DUMMY_PACKET_LEN 34
/**
- * i40e_add_del_fdir_ipv4 - Add/Remove IPv4 Flow Director filters for
- * a specific flow spec
- * @vsi: pointer to the targeted VSI
- * @fd_data: the flow director data required for the FDir descriptor
- * @fsp: the ethtool flow spec
- * @add: true adds a filter, false removes it
+ * i40e_del_fdir_entry - Deletes a Flow Director filter entry
+ * @vsi: Pointer to the targeted VSI
+ * @cmd: The command to get or set Rx flow classification rules
*
- * Returns 0 if the filters were successfully added or removed
- **/
-static int i40e_add_del_fdir_ipv4(struct i40e_vsi *vsi,
- struct i40e_fdir_data *fd_data,
- struct ethtool_rx_flow_spec *fsp, bool add)
+ * The function removes a Flow Director filter entry from the
+ * hlist of the corresponding PF
+ *
+ * Returns 0 on success
+ */
+static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
+ struct ethtool_rxnfc *cmd)
{
+ struct ethtool_rx_flow_spec *fsp =
+ (struct ethtool_rx_flow_spec *)&cmd->fs;
struct i40e_pf *pf = vsi->back;
- struct iphdr *ip;
- bool err = false;
- int ret;
- int i;
- char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0,
- 0x45, 0, 0, 0x14, 0, 0, 0x40, 0, 0x40, 0x10,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-
- memcpy(fd_data->raw_packet, packet, I40E_IP_DUMMY_PACKET_LEN);
- ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
-
- ip->saddr = fsp->h_u.usr_ip4_spec.ip4src;
- ip->daddr = fsp->h_u.usr_ip4_spec.ip4dst;
- ip->protocol = fsp->h_u.usr_ip4_spec.proto;
-
- for (i = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
- i <= I40E_FILTER_PCTYPE_FRAG_IPV4; i++) {
- fd_data->pctype = i;
- ret = i40e_program_fdir_filter(fd_data, pf, add);
+ int ret = 0;
- if (ret) {
- dev_info(&pf->pdev->dev,
- "Filter command send failed for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
- err = true;
- } else {
- dev_info(&pf->pdev->dev,
- "Filter OK for PCTYPE %d (ret = %d)\n",
- fd_data->pctype, ret);
- }
- }
+ ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
- return err ? -EOPNOTSUPP : 0;
+ i40e_fdir_check_and_reenable(pf);
+ return ret;
}
/**
- * i40e_add_del_fdir_ethtool - Add/Remove Flow Director filters for
- * a specific flow spec based on their protocol
+ * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
* @vsi: pointer to the targeted VSI
* @cmd: command to get or set RX flow classification rules
- * @add: true adds a filter, false removes it
*
- * Returns 0 if the filters were successfully added or removed
+ * Add Flow Director filters for a specific flow spec based on their
+ * protocol. Returns 0 if the filters were successfully added.
**/
-static int i40e_add_del_fdir_ethtool(struct i40e_vsi *vsi,
- struct ethtool_rxnfc *cmd, bool add)
+static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
+ struct ethtool_rxnfc *cmd)
{
- struct i40e_fdir_data fd_data;
- int ret = -EINVAL;
+ struct ethtool_rx_flow_spec *fsp;
+ struct i40e_fdir_filter *input;
struct i40e_pf *pf;
- struct ethtool_rx_flow_spec *fsp =
- (struct ethtool_rx_flow_spec *)&cmd->fs;
+ int ret = -EINVAL;
if (!vsi)
return -EINVAL;
pf = vsi->back;
+ if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
+ return -EOPNOTSUPP;
+
+ if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
+ return -ENOSPC;
+
+ fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
+
+ if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
+ pf->hw.func_caps.fd_filters_guaranteed)) {
+ return -EINVAL;
+ }
+
if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
(fsp->ring_cookie >= vsi->num_queue_pairs))
return -EINVAL;
- /* Populate the Flow Director that we have at the moment
- * and allocate the raw packet buffer for the calling functions
- */
- fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
- GFP_KERNEL);
+ input = kzalloc(sizeof(*input), GFP_KERNEL);
- if (!fd_data.raw_packet) {
- dev_info(&pf->pdev->dev, "Could not allocate memory\n");
+ if (!input)
return -ENOMEM;
- }
- fd_data.q_index = fsp->ring_cookie;
- fd_data.flex_off = 0;
- fd_data.pctype = 0;
- fd_data.dest_vsi = vsi->id;
- fd_data.dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
- fd_data.fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
- fd_data.cnt_index = 0;
- fd_data.fd_id = 0;
+ input->fd_id = fsp->location;
- switch (fsp->flow_type & ~FLOW_EXT) {
- case TCP_V4_FLOW:
- ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add);
- break;
- case UDP_V4_FLOW:
- ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add);
- break;
- case SCTP_V4_FLOW:
- ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add);
- break;
- case IPV4_FLOW:
- ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add);
- break;
- case IP_USER_FLOW:
- switch (fsp->h_u.usr_ip4_spec.proto) {
- case IPPROTO_TCP:
- ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add);
- break;
- case IPPROTO_UDP:
- ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add);
- break;
- case IPPROTO_SCTP:
- ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add);
- break;
- default:
- ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add);
- break;
- }
- break;
- default:
- dev_info(&pf->pdev->dev, "Could not specify spec type\n");
- ret = -EINVAL;
- }
-
- kfree(fd_data.raw_packet);
- fd_data.raw_packet = NULL;
+ if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
+ input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
+ else
+ input->dest_ctl =
+ I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
+
+ input->q_index = fsp->ring_cookie;
+ input->flex_off = 0;
+ input->pctype = 0;
+ input->dest_vsi = vsi->id;
+ input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
+ input->cnt_index = pf->fd_sb_cnt_idx;
+ input->flow_type = fsp->flow_type;
+ input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
+
+ /* Reverse the src and dest notion, since the HW expects them to be from
+ * Tx perspective where as the input from user is from Rx filter view.
+ */
+ input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
+ input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
+ input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
+ input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
+
+ ret = i40e_add_del_fdir(vsi, input, true);
+ if (ret)
+ kfree(input);
+ else
+ i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
return ret;
}
@@ -1580,10 +1629,10 @@ static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
ret = i40e_set_rss_hash_opt(pf, cmd);
break;
case ETHTOOL_SRXCLSRLINS:
- ret = i40e_add_del_fdir_ethtool(vsi, cmd, true);
+ ret = i40e_add_fdir_ethtool(vsi, cmd);
break;
case ETHTOOL_SRXCLSRLDEL:
- ret = i40e_add_del_fdir_ethtool(vsi, cmd, false);
+ ret = i40e_del_fdir_entry(vsi, cmd);
break;
default:
break;
@@ -1712,5 +1761,5 @@ static const struct ethtool_ops i40e_ethtool_ops = {
void i40e_set_ethtool_ops(struct net_device *netdev)
{
- SET_ETHTOOL_OPS(netdev, &i40e_ethtool_ops);
+ netdev->ethtool_ops = &i40e_ethtool_ops;
}