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path: root/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_ethtool.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_ethtool.c692
1 files changed, 644 insertions, 48 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 72901ce2b08..68d763d2d03 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -34,10 +34,48 @@
#include <linux/kernel.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
+#include <linux/mlx4/driver.h>
+#include <linux/in.h>
+#include <net/ip.h>
#include "mlx4_en.h"
#include "en_port.h"
+#define EN_ETHTOOL_QP_ATTACH (1ull << 63)
+#define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
+#define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff)
+
+static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
+{
+ int i;
+ int err = 0;
+
+ for (i = 0; i < priv->tx_ring_num; i++) {
+ priv->tx_cq[i]->moder_cnt = priv->tx_frames;
+ priv->tx_cq[i]->moder_time = priv->tx_usecs;
+ if (priv->port_up) {
+ err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]);
+ if (err)
+ return err;
+ }
+ }
+
+ if (priv->adaptive_rx_coal)
+ return 0;
+
+ for (i = 0; i < priv->rx_ring_num; i++) {
+ priv->rx_cq[i]->moder_cnt = priv->rx_frames;
+ priv->rx_cq[i]->moder_time = priv->rx_usecs;
+ priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
+ if (priv->port_up) {
+ err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
+ if (err)
+ return err;
+ }
+ }
+
+ return err;
+}
static void
mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
@@ -188,7 +226,12 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
switch (sset) {
case ETH_SS_STATS:
return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
- (priv->tx_ring_num + priv->rx_ring_num) * 2;
+ (priv->tx_ring_num * 2) +
+#ifdef CONFIG_NET_RX_BUSY_POLL
+ (priv->rx_ring_num * 5);
+#else
+ (priv->rx_ring_num * 2);
+#endif
case ETH_SS_TEST:
return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
& MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
@@ -231,12 +274,17 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
}
}
for (i = 0; i < priv->tx_ring_num; i++) {
- data[index++] = priv->tx_ring[i].packets;
- data[index++] = priv->tx_ring[i].bytes;
+ data[index++] = priv->tx_ring[i]->packets;
+ data[index++] = priv->tx_ring[i]->bytes;
}
for (i = 0; i < priv->rx_ring_num; i++) {
- data[index++] = priv->rx_ring[i].packets;
- data[index++] = priv->rx_ring[i].bytes;
+ data[index++] = priv->rx_ring[i]->packets;
+ data[index++] = priv->rx_ring[i]->bytes;
+#ifdef CONFIG_NET_RX_BUSY_POLL
+ data[index++] = priv->rx_ring[i]->yields;
+ data[index++] = priv->rx_ring[i]->misses;
+ data[index++] = priv->rx_ring[i]->cleaned;
+#endif
}
spin_unlock_bh(&priv->stats_lock);
@@ -300,6 +348,14 @@ static void mlx4_en_get_strings(struct net_device *dev,
"rx%d_packets", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_bytes", i);
+#ifdef CONFIG_NET_RX_BUSY_POLL
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_napi_yield", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_misses", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_cleaned", i);
+#endif
}
break;
}
@@ -322,8 +378,8 @@ static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
cmd->duplex = DUPLEX_FULL;
} else {
- ethtool_cmd_speed_set(cmd, -1);
- cmd->duplex = -1;
+ ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
+ cmd->duplex = DUPLEX_UNKNOWN;
}
if (trans_type > 0 && trans_type <= 0xC) {
@@ -361,6 +417,8 @@ static int mlx4_en_get_coalesce(struct net_device *dev,
coal->tx_coalesce_usecs = priv->tx_usecs;
coal->tx_max_coalesced_frames = priv->tx_frames;
+ coal->tx_max_coalesced_frames_irq = priv->tx_work_limit;
+
coal->rx_coalesce_usecs = priv->rx_usecs;
coal->rx_max_coalesced_frames = priv->rx_frames;
@@ -370,6 +428,7 @@ static int mlx4_en_get_coalesce(struct net_device *dev,
coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
coal->rate_sample_interval = priv->sample_interval;
coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
+
return 0;
}
@@ -377,7 +436,9 @@ static int mlx4_en_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
- int err, i;
+
+ if (!coal->tx_max_coalesced_frames_irq)
+ return -EINVAL;
priv->rx_frames = (coal->rx_max_coalesced_frames ==
MLX4_EN_AUTO_CONF) ?
@@ -393,14 +454,6 @@ static int mlx4_en_set_coalesce(struct net_device *dev,
coal->tx_max_coalesced_frames != priv->tx_frames) {
priv->tx_usecs = coal->tx_coalesce_usecs;
priv->tx_frames = coal->tx_max_coalesced_frames;
- for (i = 0; i < priv->tx_ring_num; i++) {
- priv->tx_cq[i].moder_cnt = priv->tx_frames;
- priv->tx_cq[i].moder_time = priv->tx_usecs;
- if (mlx4_en_set_cq_moder(priv, &priv->tx_cq[i])) {
- en_warn(priv, "Failed changing moderation "
- "for TX cq %d\n", i);
- }
- }
}
/* Set adaptive coalescing params */
@@ -410,18 +463,9 @@ static int mlx4_en_set_coalesce(struct net_device *dev,
priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
priv->sample_interval = coal->rate_sample_interval;
priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
- if (priv->adaptive_rx_coal)
- return 0;
+ priv->tx_work_limit = coal->tx_max_coalesced_frames_irq;
- for (i = 0; i < priv->rx_ring_num; i++) {
- priv->rx_cq[i].moder_cnt = priv->rx_frames;
- priv->rx_cq[i].moder_time = priv->rx_usecs;
- priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
- err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
- if (err)
- return err;
- }
- return 0;
+ return mlx4_en_moderation_update(priv);
}
static int mlx4_en_set_pauseparam(struct net_device *dev,
@@ -462,7 +506,6 @@ static int mlx4_en_set_ringparam(struct net_device *dev,
u32 rx_size, tx_size;
int port_up = 0;
int err = 0;
- int i;
if (param->rx_jumbo_pending || param->rx_mini_pending)
return -EINVAL;
@@ -474,15 +517,15 @@ static int mlx4_en_set_ringparam(struct net_device *dev,
tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
- if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
- priv->rx_ring[0].size) &&
- tx_size == priv->tx_ring[0].size)
+ if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
+ priv->rx_ring[0]->size) &&
+ tx_size == priv->tx_ring[0]->size)
return 0;
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
port_up = 1;
- mlx4_en_stop_port(dev);
+ mlx4_en_stop_port(dev, 1);
}
mlx4_en_free_resources(priv);
@@ -501,14 +544,7 @@ static int mlx4_en_set_ringparam(struct net_device *dev,
en_err(priv, "Failed starting port\n");
}
- for (i = 0; i < priv->rx_ring_num; i++) {
- priv->rx_cq[i].moder_cnt = priv->rx_frames;
- priv->rx_cq[i].moder_time = priv->rx_usecs;
- priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
- err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
- if (err)
- goto out;
- }
+ err = mlx4_en_moderation_update(priv);
out:
mutex_unlock(&mdev->state_lock);
@@ -524,8 +560,8 @@ static void mlx4_en_get_ringparam(struct net_device *dev,
param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
param->rx_pending = priv->port_up ?
- priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
- param->tx_pending = priv->tx_ring[0].size;
+ priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
+ param->tx_pending = priv->tx_ring[0]->size;
}
static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
@@ -535,7 +571,7 @@ static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
return priv->rx_ring_num;
}
-static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
+static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_rss_map *rss_map = &priv->rss_map;
@@ -553,8 +589,8 @@ static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
return err;
}
-static int mlx4_en_set_rxfh_indir(struct net_device *dev,
- const u32 *ring_index)
+static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
+ const u8 *key)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
@@ -584,7 +620,7 @@ static int mlx4_en_set_rxfh_indir(struct net_device *dev,
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
port_up = 1;
- mlx4_en_stop_port(dev);
+ mlx4_en_stop_port(dev, 1);
}
priv->prof->rss_rings = rss_rings;
@@ -599,16 +635,447 @@ static int mlx4_en_set_rxfh_indir(struct net_device *dev,
return err;
}
+#define all_zeros_or_all_ones(field) \
+ ((field) == 0 || (field) == (__force typeof(field))-1)
+
+static int mlx4_en_validate_flow(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_usrip4_spec *l3_mask;
+ struct ethtool_tcpip4_spec *l4_mask;
+ struct ethhdr *eth_mask;
+
+ if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
+ return -EINVAL;
+
+ if (cmd->fs.flow_type & FLOW_MAC_EXT) {
+ /* dest mac mask must be ff:ff:ff:ff:ff:ff */
+ if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
+ return -EINVAL;
+ }
+
+ switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ if (cmd->fs.m_u.tcp_ip4_spec.tos)
+ return -EINVAL;
+ l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
+ /* don't allow mask which isn't all 0 or 1 */
+ if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
+ !all_zeros_or_all_ones(l4_mask->ip4dst) ||
+ !all_zeros_or_all_ones(l4_mask->psrc) ||
+ !all_zeros_or_all_ones(l4_mask->pdst))
+ return -EINVAL;
+ break;
+ case IP_USER_FLOW:
+ l3_mask = &cmd->fs.m_u.usr_ip4_spec;
+ if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
+ cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
+ (!l3_mask->ip4src && !l3_mask->ip4dst) ||
+ !all_zeros_or_all_ones(l3_mask->ip4src) ||
+ !all_zeros_or_all_ones(l3_mask->ip4dst))
+ return -EINVAL;
+ break;
+ case ETHER_FLOW:
+ eth_mask = &cmd->fs.m_u.ether_spec;
+ /* source mac mask must not be set */
+ if (!is_zero_ether_addr(eth_mask->h_source))
+ return -EINVAL;
+
+ /* dest mac mask must be ff:ff:ff:ff:ff:ff */
+ if (!is_broadcast_ether_addr(eth_mask->h_dest))
+ return -EINVAL;
+
+ if (!all_zeros_or_all_ones(eth_mask->h_proto))
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ((cmd->fs.flow_type & FLOW_EXT)) {
+ if (cmd->fs.m_ext.vlan_etype ||
+ !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
+ 0 ||
+ (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
+ cpu_to_be16(VLAN_VID_MASK)))
+ return -EINVAL;
+
+ if (cmd->fs.m_ext.vlan_tci) {
+ if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
+ return -EINVAL;
+
+ }
+ }
+
+ return 0;
+}
+
+static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
+ struct list_head *rule_list_h,
+ struct mlx4_spec_list *spec_l2,
+ unsigned char *mac)
+{
+ int err = 0;
+ __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
+
+ spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
+ memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
+ memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
+
+ if ((cmd->fs.flow_type & FLOW_EXT) &&
+ (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
+ spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
+ spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
+ }
+
+ list_add_tail(&spec_l2->list, rule_list_h);
+
+ return err;
+}
+
+static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
+ struct ethtool_rxnfc *cmd,
+ struct list_head *rule_list_h,
+ struct mlx4_spec_list *spec_l2,
+ __be32 ipv4_dst)
+{
+#ifdef CONFIG_INET
+ unsigned char mac[ETH_ALEN];
+
+ if (!ipv4_is_multicast(ipv4_dst)) {
+ if (cmd->fs.flow_type & FLOW_MAC_EXT)
+ memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
+ else
+ memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
+ } else {
+ ip_eth_mc_map(ipv4_dst, mac);
+ }
+
+ return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
+#else
+ return -EINVAL;
+#endif
+}
+
+static int add_ip_rule(struct mlx4_en_priv *priv,
+ struct ethtool_rxnfc *cmd,
+ struct list_head *list_h)
+{
+ int err;
+ struct mlx4_spec_list *spec_l2 = NULL;
+ struct mlx4_spec_list *spec_l3 = NULL;
+ struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
+
+ spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
+ spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
+ if (!spec_l2 || !spec_l3) {
+ err = -ENOMEM;
+ goto free_spec;
+ }
+
+ err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
+ cmd->fs.h_u.
+ usr_ip4_spec.ip4dst);
+ if (err)
+ goto free_spec;
+ spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
+ spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
+ if (l3_mask->ip4src)
+ spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
+ spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
+ if (l3_mask->ip4dst)
+ spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
+ list_add_tail(&spec_l3->list, list_h);
+
+ return 0;
+
+free_spec:
+ kfree(spec_l2);
+ kfree(spec_l3);
+ return err;
+}
+
+static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
+ struct ethtool_rxnfc *cmd,
+ struct list_head *list_h, int proto)
+{
+ int err;
+ struct mlx4_spec_list *spec_l2 = NULL;
+ struct mlx4_spec_list *spec_l3 = NULL;
+ struct mlx4_spec_list *spec_l4 = NULL;
+ struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
+
+ spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
+ spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
+ spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
+ if (!spec_l2 || !spec_l3 || !spec_l4) {
+ err = -ENOMEM;
+ goto free_spec;
+ }
+
+ spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
+
+ if (proto == TCP_V4_FLOW) {
+ err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
+ spec_l2,
+ cmd->fs.h_u.
+ tcp_ip4_spec.ip4dst);
+ if (err)
+ goto free_spec;
+ spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
+ spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
+ spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
+ spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
+ spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
+ } else {
+ err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
+ spec_l2,
+ cmd->fs.h_u.
+ udp_ip4_spec.ip4dst);
+ if (err)
+ goto free_spec;
+ spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
+ spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
+ spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
+ spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
+ spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
+ }
+
+ if (l4_mask->ip4src)
+ spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
+ if (l4_mask->ip4dst)
+ spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
+
+ if (l4_mask->psrc)
+ spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
+ if (l4_mask->pdst)
+ spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
+
+ list_add_tail(&spec_l3->list, list_h);
+ list_add_tail(&spec_l4->list, list_h);
+
+ return 0;
+
+free_spec:
+ kfree(spec_l2);
+ kfree(spec_l3);
+ kfree(spec_l4);
+ return err;
+}
+
+static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
+ struct ethtool_rxnfc *cmd,
+ struct list_head *rule_list_h)
+{
+ int err;
+ struct ethhdr *eth_spec;
+ struct mlx4_spec_list *spec_l2;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+
+ err = mlx4_en_validate_flow(dev, cmd);
+ if (err)
+ return err;
+
+ switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
+ case ETHER_FLOW:
+ spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
+ if (!spec_l2)
+ return -ENOMEM;
+
+ eth_spec = &cmd->fs.h_u.ether_spec;
+ mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
+ &eth_spec->h_dest[0]);
+ spec_l2->eth.ether_type = eth_spec->h_proto;
+ if (eth_spec->h_proto)
+ spec_l2->eth.ether_type_enable = 1;
+ break;
+ case IP_USER_FLOW:
+ err = add_ip_rule(priv, cmd, rule_list_h);
+ break;
+ case TCP_V4_FLOW:
+ err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
+ break;
+ case UDP_V4_FLOW:
+ err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
+ break;
+ }
+
+ return err;
+}
+
+static int mlx4_en_flow_replace(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
+{
+ int err;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct ethtool_flow_id *loc_rule;
+ struct mlx4_spec_list *spec, *tmp_spec;
+ u32 qpn;
+ u64 reg_id;
+
+ struct mlx4_net_trans_rule rule = {
+ .queue_mode = MLX4_NET_TRANS_Q_FIFO,
+ .exclusive = 0,
+ .allow_loopback = 1,
+ .promisc_mode = MLX4_FS_REGULAR,
+ };
+
+ rule.port = priv->port;
+ rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
+ INIT_LIST_HEAD(&rule.list);
+
+ /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
+ if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
+ qpn = priv->drop_qp.qpn;
+ else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
+ qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
+ } else {
+ if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
+ en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
+ cmd->fs.ring_cookie);
+ return -EINVAL;
+ }
+ qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
+ if (!qpn) {
+ en_warn(priv, "rxnfc: RX ring (%llu) is inactive\n",
+ cmd->fs.ring_cookie);
+ return -EINVAL;
+ }
+ }
+ rule.qpn = qpn;
+ err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
+ if (err)
+ goto out_free_list;
+
+ loc_rule = &priv->ethtool_rules[cmd->fs.location];
+ if (loc_rule->id) {
+ err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
+ if (err) {
+ en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
+ cmd->fs.location, loc_rule->id);
+ goto out_free_list;
+ }
+ loc_rule->id = 0;
+ memset(&loc_rule->flow_spec, 0,
+ sizeof(struct ethtool_rx_flow_spec));
+ list_del(&loc_rule->list);
+ }
+ err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
+ if (err) {
+ en_err(priv, "Fail to attach network rule at location %d\n",
+ cmd->fs.location);
+ goto out_free_list;
+ }
+ loc_rule->id = reg_id;
+ memcpy(&loc_rule->flow_spec, &cmd->fs,
+ sizeof(struct ethtool_rx_flow_spec));
+ list_add_tail(&loc_rule->list, &priv->ethtool_list);
+
+out_free_list:
+ list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
+ list_del(&spec->list);
+ kfree(spec);
+ }
+ return err;
+}
+
+static int mlx4_en_flow_detach(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
+{
+ int err = 0;
+ struct ethtool_flow_id *rule;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+
+ if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
+ return -EINVAL;
+
+ rule = &priv->ethtool_rules[cmd->fs.location];
+ if (!rule->id) {
+ err = -ENOENT;
+ goto out;
+ }
+
+ err = mlx4_flow_detach(priv->mdev->dev, rule->id);
+ if (err) {
+ en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
+ cmd->fs.location, rule->id);
+ goto out;
+ }
+ rule->id = 0;
+ memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
+ list_del(&rule->list);
+out:
+ return err;
+
+}
+
+static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
+ int loc)
+{
+ int err = 0;
+ struct ethtool_flow_id *rule;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+
+ if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
+ return -EINVAL;
+
+ rule = &priv->ethtool_rules[loc];
+ if (rule->id)
+ memcpy(&cmd->fs, &rule->flow_spec,
+ sizeof(struct ethtool_rx_flow_spec));
+ else
+ err = -ENOENT;
+
+ return err;
+}
+
+static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
+{
+
+ int i, res = 0;
+ for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
+ if (priv->ethtool_rules[i].id)
+ res++;
+ }
+ return res;
+
+}
+
static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
int err = 0;
+ int i = 0, priority = 0;
+
+ if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
+ cmd->cmd == ETHTOOL_GRXCLSRULE ||
+ cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
+ (mdev->dev->caps.steering_mode !=
+ MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
+ return -EINVAL;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = priv->rx_ring_num;
break;
+ case ETHTOOL_GRXCLSRLCNT:
+ cmd->rule_cnt = mlx4_en_get_num_flows(priv);
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
+ err = mlx4_en_get_flow(dev, cmd, i);
+ if (!err)
+ rule_locs[priority++] = i;
+ i++;
+ }
+ err = 0;
+ break;
default:
err = -EOPNOTSUPP;
break;
@@ -617,6 +1084,131 @@ static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
return err;
}
+static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+ int err = 0;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
+
+ if (mdev->dev->caps.steering_mode !=
+ MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
+ return -EINVAL;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXCLSRLINS:
+ err = mlx4_en_flow_replace(dev, cmd);
+ break;
+ case ETHTOOL_SRXCLSRLDEL:
+ err = mlx4_en_flow_detach(dev, cmd);
+ break;
+ default:
+ en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
+ return -EINVAL;
+ }
+
+ return err;
+}
+
+static void mlx4_en_get_channels(struct net_device *dev,
+ struct ethtool_channels *channel)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+
+ memset(channel, 0, sizeof(*channel));
+
+ channel->max_rx = MAX_RX_RINGS;
+ channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
+
+ channel->rx_count = priv->rx_ring_num;
+ channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
+}
+
+static int mlx4_en_set_channels(struct net_device *dev,
+ struct ethtool_channels *channel)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
+ int port_up = 0;
+ int err = 0;
+
+ if (channel->other_count || channel->combined_count ||
+ channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
+ channel->rx_count > MAX_RX_RINGS ||
+ !channel->tx_count || !channel->rx_count)
+ return -EINVAL;
+
+ mutex_lock(&mdev->state_lock);
+ if (priv->port_up) {
+ port_up = 1;
+ mlx4_en_stop_port(dev, 1);
+ }
+
+ mlx4_en_free_resources(priv);
+
+ priv->num_tx_rings_p_up = channel->tx_count;
+ priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
+ priv->rx_ring_num = channel->rx_count;
+
+ err = mlx4_en_alloc_resources(priv);
+ if (err) {
+ en_err(priv, "Failed reallocating port resources\n");
+ goto out;
+ }
+
+ netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
+ netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
+
+ if (dev->num_tc)
+ mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
+
+ en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
+ en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
+
+ if (port_up) {
+ err = mlx4_en_start_port(dev);
+ if (err)
+ en_err(priv, "Failed starting port\n");
+ }
+
+ err = mlx4_en_moderation_update(priv);
+
+out:
+ mutex_unlock(&mdev->state_lock);
+ return err;
+}
+
+static int mlx4_en_get_ts_info(struct net_device *dev,
+ struct ethtool_ts_info *info)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
+ int ret;
+
+ ret = ethtool_op_get_ts_info(dev, info);
+ if (ret)
+ return ret;
+
+ if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
+ info->so_timestamping |=
+ SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+
+ info->tx_types =
+ (1 << HWTSTAMP_TX_OFF) |
+ (1 << HWTSTAMP_TX_ON);
+
+ info->rx_filters =
+ (1 << HWTSTAMP_FILTER_NONE) |
+ (1 << HWTSTAMP_FILTER_ALL);
+
+ if (mdev->ptp_clock)
+ info->phc_index = ptp_clock_index(mdev->ptp_clock);
+ }
+
+ return ret;
+}
+
const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_drvinfo = mlx4_en_get_drvinfo,
.get_settings = mlx4_en_get_settings,
@@ -637,9 +1229,13 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_ringparam = mlx4_en_get_ringparam,
.set_ringparam = mlx4_en_set_ringparam,
.get_rxnfc = mlx4_en_get_rxnfc,
+ .set_rxnfc = mlx4_en_set_rxnfc,
.get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
- .get_rxfh_indir = mlx4_en_get_rxfh_indir,
- .set_rxfh_indir = mlx4_en_set_rxfh_indir,
+ .get_rxfh = mlx4_en_get_rxfh,
+ .set_rxfh = mlx4_en_set_rxfh,
+ .get_channels = mlx4_en_get_channels,
+ .set_channels = mlx4_en_set_channels,
+ .get_ts_info = mlx4_en_get_ts_info,
};