hinic: add support for rss parameters with ethtool
This patch adds support rss parameters with ethtool, user can change hash key, hash indirection table, hash function by ethtool -X, and show rss parameters by ethtool -x. Signed-off-by: Xue Chaojing <xuechaojing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xue Chaojing
David S. Miller
parent
eb8ce9ac16
commit
4fdc51bb4e
@ -76,6 +76,8 @@ struct hinic_dev {
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u16 num_rss;
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u16 rss_limit;
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struct hinic_rss_type rss_type;
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u8 *rss_hkey_user;
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s32 *rss_indir_user;
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};
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#endif
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@ -149,12 +149,307 @@ static void hinic_get_channels(struct net_device *netdev,
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channels->combined_count = 0;
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}
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static int hinic_get_rss_hash_opts(struct hinic_dev *nic_dev,
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struct ethtool_rxnfc *cmd)
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{
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struct hinic_rss_type rss_type = { 0 };
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int err;
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cmd->data = 0;
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if (!(nic_dev->flags & HINIC_RSS_ENABLE))
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return 0;
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err = hinic_get_rss_type(nic_dev, nic_dev->rss_tmpl_idx,
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&rss_type);
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if (err)
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return err;
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cmd->data = RXH_IP_SRC | RXH_IP_DST;
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switch (cmd->flow_type) {
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case TCP_V4_FLOW:
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if (rss_type.tcp_ipv4)
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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break;
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case TCP_V6_FLOW:
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if (rss_type.tcp_ipv6)
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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break;
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case UDP_V4_FLOW:
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if (rss_type.udp_ipv4)
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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break;
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case UDP_V6_FLOW:
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if (rss_type.udp_ipv6)
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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break;
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case IPV4_FLOW:
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case IPV6_FLOW:
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break;
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default:
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cmd->data = 0;
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return -EINVAL;
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}
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return 0;
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}
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static int set_l4_rss_hash_ops(struct ethtool_rxnfc *cmd,
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struct hinic_rss_type *rss_type)
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{
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u8 rss_l4_en = 0;
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switch (cmd->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
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case 0:
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rss_l4_en = 0;
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break;
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case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
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rss_l4_en = 1;
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break;
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default:
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return -EINVAL;
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}
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switch (cmd->flow_type) {
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case TCP_V4_FLOW:
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rss_type->tcp_ipv4 = rss_l4_en;
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break;
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case TCP_V6_FLOW:
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rss_type->tcp_ipv6 = rss_l4_en;
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break;
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case UDP_V4_FLOW:
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rss_type->udp_ipv4 = rss_l4_en;
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break;
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case UDP_V6_FLOW:
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rss_type->udp_ipv6 = rss_l4_en;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int hinic_set_rss_hash_opts(struct hinic_dev *nic_dev,
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struct ethtool_rxnfc *cmd)
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{
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struct hinic_rss_type *rss_type = &nic_dev->rss_type;
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int err;
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if (!(nic_dev->flags & HINIC_RSS_ENABLE)) {
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cmd->data = 0;
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return -EOPNOTSUPP;
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}
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/* RSS does not support anything other than hashing
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* to queues on src and dst IPs and ports
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*/
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if (cmd->data & ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 |
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RXH_L4_B_2_3))
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return -EINVAL;
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/* We need at least the IP SRC and DEST fields for hashing */
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if (!(cmd->data & RXH_IP_SRC) || !(cmd->data & RXH_IP_DST))
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return -EINVAL;
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err = hinic_get_rss_type(nic_dev,
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nic_dev->rss_tmpl_idx, rss_type);
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if (err)
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return -EFAULT;
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switch (cmd->flow_type) {
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case TCP_V4_FLOW:
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case TCP_V6_FLOW:
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case UDP_V4_FLOW:
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case UDP_V6_FLOW:
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err = set_l4_rss_hash_ops(cmd, rss_type);
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if (err)
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return err;
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break;
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case IPV4_FLOW:
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rss_type->ipv4 = 1;
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break;
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case IPV6_FLOW:
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rss_type->ipv6 = 1;
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break;
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default:
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return -EINVAL;
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}
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err = hinic_set_rss_type(nic_dev, nic_dev->rss_tmpl_idx,
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*rss_type);
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if (err)
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return -EFAULT;
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return 0;
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}
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static int __set_rss_rxfh(struct net_device *netdev,
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const u32 *indir, const u8 *key)
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{
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struct hinic_dev *nic_dev = netdev_priv(netdev);
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int err;
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if (indir) {
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if (!nic_dev->rss_indir_user) {
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nic_dev->rss_indir_user =
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kzalloc(sizeof(u32) * HINIC_RSS_INDIR_SIZE,
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GFP_KERNEL);
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if (!nic_dev->rss_indir_user)
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return -ENOMEM;
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}
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memcpy(nic_dev->rss_indir_user, indir,
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sizeof(u32) * HINIC_RSS_INDIR_SIZE);
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err = hinic_rss_set_indir_tbl(nic_dev,
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nic_dev->rss_tmpl_idx, indir);
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if (err)
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return -EFAULT;
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}
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if (key) {
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if (!nic_dev->rss_hkey_user) {
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nic_dev->rss_hkey_user =
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kzalloc(HINIC_RSS_KEY_SIZE * 2, GFP_KERNEL);
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if (!nic_dev->rss_hkey_user)
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return -ENOMEM;
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}
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memcpy(nic_dev->rss_hkey_user, key, HINIC_RSS_KEY_SIZE);
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err = hinic_rss_set_template_tbl(nic_dev,
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nic_dev->rss_tmpl_idx, key);
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if (err)
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return -EFAULT;
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}
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return 0;
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}
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static int hinic_get_rxnfc(struct net_device *netdev,
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struct ethtool_rxnfc *cmd, u32 *rule_locs)
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{
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struct hinic_dev *nic_dev = netdev_priv(netdev);
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int err = 0;
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switch (cmd->cmd) {
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case ETHTOOL_GRXRINGS:
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cmd->data = nic_dev->num_qps;
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break;
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case ETHTOOL_GRXFH:
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err = hinic_get_rss_hash_opts(nic_dev, cmd);
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break;
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default:
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err = -EOPNOTSUPP;
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break;
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}
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return err;
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}
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static int hinic_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
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{
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struct hinic_dev *nic_dev = netdev_priv(netdev);
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int err = 0;
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switch (cmd->cmd) {
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case ETHTOOL_SRXFH:
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err = hinic_set_rss_hash_opts(nic_dev, cmd);
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break;
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default:
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err = -EOPNOTSUPP;
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break;
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}
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return err;
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}
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static int hinic_get_rxfh(struct net_device *netdev,
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u32 *indir, u8 *key, u8 *hfunc)
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{
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struct hinic_dev *nic_dev = netdev_priv(netdev);
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u8 hash_engine_type = 0;
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int err = 0;
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if (!(nic_dev->flags & HINIC_RSS_ENABLE))
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return -EOPNOTSUPP;
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if (hfunc) {
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err = hinic_rss_get_hash_engine(nic_dev,
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nic_dev->rss_tmpl_idx,
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&hash_engine_type);
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if (err)
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return -EFAULT;
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*hfunc = hash_engine_type ? ETH_RSS_HASH_TOP : ETH_RSS_HASH_XOR;
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}
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if (indir) {
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err = hinic_rss_get_indir_tbl(nic_dev,
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nic_dev->rss_tmpl_idx, indir);
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if (err)
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return -EFAULT;
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}
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if (key)
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err = hinic_rss_get_template_tbl(nic_dev,
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nic_dev->rss_tmpl_idx, key);
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return err;
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}
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static int hinic_set_rxfh(struct net_device *netdev, const u32 *indir,
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const u8 *key, const u8 hfunc)
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{
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struct hinic_dev *nic_dev = netdev_priv(netdev);
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int err = 0;
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if (!(nic_dev->flags & HINIC_RSS_ENABLE))
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return -EOPNOTSUPP;
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if (hfunc != ETH_RSS_HASH_NO_CHANGE) {
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if (hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)
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return -EOPNOTSUPP;
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nic_dev->rss_hash_engine = (hfunc == ETH_RSS_HASH_XOR) ?
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HINIC_RSS_HASH_ENGINE_TYPE_XOR :
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HINIC_RSS_HASH_ENGINE_TYPE_TOEP;
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err = hinic_rss_set_hash_engine
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(nic_dev, nic_dev->rss_tmpl_idx,
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nic_dev->rss_hash_engine);
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if (err)
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return -EFAULT;
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}
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err = __set_rss_rxfh(netdev, indir, key);
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return err;
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}
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static u32 hinic_get_rxfh_key_size(struct net_device *netdev)
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{
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return HINIC_RSS_KEY_SIZE;
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}
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static u32 hinic_get_rxfh_indir_size(struct net_device *netdev)
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{
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return HINIC_RSS_INDIR_SIZE;
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}
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static const struct ethtool_ops hinic_ethtool_ops = {
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.get_link_ksettings = hinic_get_link_ksettings,
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.get_drvinfo = hinic_get_drvinfo,
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.get_link = ethtool_op_get_link,
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.get_ringparam = hinic_get_ringparam,
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.get_channels = hinic_get_channels,
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.get_rxnfc = hinic_get_rxnfc,
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.set_rxnfc = hinic_set_rxnfc,
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.get_rxfh_key_size = hinic_get_rxfh_key_size,
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.get_rxfh_indir_size = hinic_get_rxfh_indir_size,
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.get_rxfh = hinic_get_rxfh,
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.set_rxfh = hinic_set_rxfh,
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};
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void hinic_set_ethtool_ops(struct net_device *netdev)
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@ -45,11 +45,21 @@ enum hinic_port_cmd {
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HINIC_PORT_CMD_SET_RX_CSUM = 26,
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HINIC_PORT_CMD_GET_RSS_TEMPLATE_INDIR_TBL = 37,
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HINIC_PORT_CMD_SET_PORT_STATE = 41,
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HINIC_PORT_CMD_SET_RSS_TEMPLATE_TBL = 43,
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HINIC_PORT_CMD_SET_RSS_HASH_ENGINE = 45,
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HINIC_PORT_CMD_GET_RSS_TEMPLATE_TBL = 44,
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HINIC_PORT_CMD_SET_RSS_HASH_ENGINE = 45,
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HINIC_PORT_CMD_GET_RSS_HASH_ENGINE = 46,
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HINIC_PORT_CMD_GET_RSS_CTX_TBL = 47,
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HINIC_PORT_CMD_SET_RSS_CTX_TBL = 48,
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HINIC_PORT_CMD_RSS_TEMP_MGR = 49,
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@ -616,6 +616,36 @@ free_buf:
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return err;
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}
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int hinic_rss_get_indir_tbl(struct hinic_dev *nic_dev, u32 tmpl_idx,
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u32 *indir_table)
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{
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struct hinic_rss_indir_table rss_cfg = { 0 };
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struct hinic_hwdev *hwdev = nic_dev->hwdev;
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struct hinic_hwif *hwif = hwdev->hwif;
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struct pci_dev *pdev = hwif->pdev;
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u16 out_size = sizeof(rss_cfg);
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int err = 0, i;
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rss_cfg.func_id = HINIC_HWIF_FUNC_IDX(hwif);
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rss_cfg.template_id = tmpl_idx;
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err = hinic_port_msg_cmd(hwdev,
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HINIC_PORT_CMD_GET_RSS_TEMPLATE_INDIR_TBL,
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&rss_cfg, sizeof(rss_cfg), &rss_cfg,
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&out_size);
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if (err || !out_size || rss_cfg.status) {
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dev_err(&pdev->dev, "Failed to get indir table, err: %d, status: 0x%x, out size: 0x%x\n",
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err, rss_cfg.status, out_size);
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return -EINVAL;
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}
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hinic_be32_to_cpu(rss_cfg.indir, HINIC_RSS_INDIR_SIZE);
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for (i = 0; i < HINIC_RSS_INDIR_SIZE; i++)
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indir_table[i] = rss_cfg.indir[i];
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return 0;
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}
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int hinic_set_rss_type(struct hinic_dev *nic_dev, u32 tmpl_idx,
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struct hinic_rss_type rss_type)
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{
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@ -676,6 +706,44 @@ int hinic_set_rss_type(struct hinic_dev *nic_dev, u32 tmpl_idx,
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return 0;
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}
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int hinic_get_rss_type(struct hinic_dev *nic_dev, u32 tmpl_idx,
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struct hinic_rss_type *rss_type)
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{
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struct hinic_rss_context_table ctx_tbl = { 0 };
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struct hinic_hwdev *hwdev = nic_dev->hwdev;
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struct hinic_hwif *hwif = hwdev->hwif;
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struct pci_dev *pdev = hwif->pdev;
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u16 out_size = sizeof(ctx_tbl);
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int err;
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if (!hwdev || !rss_type)
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return -EINVAL;
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ctx_tbl.func_id = HINIC_HWIF_FUNC_IDX(hwif);
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ctx_tbl.template_id = tmpl_idx;
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err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_RSS_CTX_TBL,
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&ctx_tbl, sizeof(ctx_tbl),
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&ctx_tbl, &out_size);
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if (err || !out_size || ctx_tbl.status) {
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dev_err(&pdev->dev, "Failed to get hash type, err: %d, status: 0x%x, out size: 0x%x\n",
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err, ctx_tbl.status, out_size);
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return -EINVAL;
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}
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rss_type->ipv4 = HINIC_RSS_TYPE_GET(ctx_tbl.context, IPV4);
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rss_type->ipv6 = HINIC_RSS_TYPE_GET(ctx_tbl.context, IPV6);
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rss_type->ipv6_ext = HINIC_RSS_TYPE_GET(ctx_tbl.context, IPV6_EXT);
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rss_type->tcp_ipv4 = HINIC_RSS_TYPE_GET(ctx_tbl.context, TCP_IPV4);
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rss_type->tcp_ipv6 = HINIC_RSS_TYPE_GET(ctx_tbl.context, TCP_IPV6);
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rss_type->tcp_ipv6_ext = HINIC_RSS_TYPE_GET(ctx_tbl.context,
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TCP_IPV6_EXT);
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rss_type->udp_ipv4 = HINIC_RSS_TYPE_GET(ctx_tbl.context, UDP_IPV4);
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rss_type->udp_ipv6 = HINIC_RSS_TYPE_GET(ctx_tbl.context, UDP_IPV6);
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return 0;
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}
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int hinic_rss_set_template_tbl(struct hinic_dev *nic_dev, u32 template_id,
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const u8 *temp)
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{
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@ -703,6 +771,36 @@ int hinic_rss_set_template_tbl(struct hinic_dev *nic_dev, u32 template_id,
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return 0;
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}
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int hinic_rss_get_template_tbl(struct hinic_dev *nic_dev, u32 tmpl_idx,
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u8 *temp)
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{
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struct hinic_rss_template_key temp_key = { 0 };
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struct hinic_hwdev *hwdev = nic_dev->hwdev;
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struct hinic_hwif *hwif = hwdev->hwif;
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struct pci_dev *pdev = hwif->pdev;
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u16 out_size = sizeof(temp_key);
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int err;
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if (!hwdev || !temp)
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return -EINVAL;
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temp_key.func_id = HINIC_HWIF_FUNC_IDX(hwif);
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temp_key.template_id = tmpl_idx;
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err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_RSS_TEMPLATE_TBL,
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&temp_key, sizeof(temp_key),
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&temp_key, &out_size);
|
||||
if (err || !out_size || temp_key.status) {
|
||||
dev_err(&pdev->dev, "Failed to set hash key, err: %d, status: 0x%x, out size: 0x%x\n",
|
||||
err, temp_key.status, out_size);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
memcpy(temp, temp_key.key, HINIC_RSS_KEY_SIZE);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hinic_rss_set_hash_engine(struct hinic_dev *nic_dev, u8 template_id,
|
||||
u8 type)
|
||||
{
|
||||
@ -730,6 +828,34 @@ int hinic_rss_set_hash_engine(struct hinic_dev *nic_dev, u8 template_id,
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hinic_rss_get_hash_engine(struct hinic_dev *nic_dev, u8 tmpl_idx, u8 *type)
|
||||
{
|
||||
struct hinic_rss_engine_type hash_type = { 0 };
|
||||
struct hinic_hwdev *hwdev = nic_dev->hwdev;
|
||||
struct hinic_hwif *hwif = hwdev->hwif;
|
||||
struct pci_dev *pdev = hwif->pdev;
|
||||
u16 out_size = sizeof(hash_type);
|
||||
int err;
|
||||
|
||||
if (!hwdev || !type)
|
||||
return -EINVAL;
|
||||
|
||||
hash_type.func_id = HINIC_HWIF_FUNC_IDX(hwif);
|
||||
hash_type.template_id = tmpl_idx;
|
||||
|
||||
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_RSS_HASH_ENGINE,
|
||||
&hash_type, sizeof(hash_type),
|
||||
&hash_type, &out_size);
|
||||
if (err || !out_size || hash_type.status) {
|
||||
dev_err(&pdev->dev, "Failed to get hash engine, err: %d, status: 0x%x, out size: 0x%x\n",
|
||||
err, hash_type.status, out_size);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
*type = hash_type.hash_engine;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hinic_rss_cfg(struct hinic_dev *nic_dev, u8 rss_en, u8 template_id)
|
||||
{
|
||||
struct hinic_hwdev *hwdev = nic_dev->hwdev;
|
||||
|
||||
@ -233,6 +233,17 @@ struct hinic_rss_template_mgmt {
|
||||
u8 rsvd1[4];
|
||||
};
|
||||
|
||||
struct hinic_rss_template_key {
|
||||
u8 status;
|
||||
u8 version;
|
||||
u8 rsvd0[6];
|
||||
|
||||
u16 func_id;
|
||||
u8 template_id;
|
||||
u8 rsvd1;
|
||||
u8 key[HINIC_RSS_KEY_SIZE];
|
||||
};
|
||||
|
||||
struct hinic_rss_context_tbl {
|
||||
u32 group_index;
|
||||
u32 offset;
|
||||
@ -241,6 +252,17 @@ struct hinic_rss_context_tbl {
|
||||
u32 ctx;
|
||||
};
|
||||
|
||||
struct hinic_rss_context_table {
|
||||
u8 status;
|
||||
u8 version;
|
||||
u8 rsvd0[6];
|
||||
|
||||
u16 func_id;
|
||||
u8 template_id;
|
||||
u8 rsvd1;
|
||||
u32 context;
|
||||
};
|
||||
|
||||
struct hinic_rss_indirect_tbl {
|
||||
u32 group_index;
|
||||
u32 offset;
|
||||
@ -249,6 +271,17 @@ struct hinic_rss_indirect_tbl {
|
||||
u8 entry[HINIC_RSS_INDIR_SIZE];
|
||||
};
|
||||
|
||||
struct hinic_rss_indir_table {
|
||||
u8 status;
|
||||
u8 version;
|
||||
u8 rsvd0[6];
|
||||
|
||||
u16 func_id;
|
||||
u8 template_id;
|
||||
u8 rsvd1;
|
||||
u8 indir[HINIC_RSS_INDIR_SIZE];
|
||||
};
|
||||
|
||||
struct hinic_rss_key {
|
||||
u8 status;
|
||||
u8 version;
|
||||
@ -339,4 +372,16 @@ int hinic_rss_template_alloc(struct hinic_dev *nic_dev, u8 *tmpl_idx);
|
||||
int hinic_rss_template_free(struct hinic_dev *nic_dev, u8 tmpl_idx);
|
||||
|
||||
void hinic_set_ethtool_ops(struct net_device *netdev);
|
||||
|
||||
int hinic_get_rss_type(struct hinic_dev *nic_dev, u32 tmpl_idx,
|
||||
struct hinic_rss_type *rss_type);
|
||||
|
||||
int hinic_rss_get_indir_tbl(struct hinic_dev *nic_dev, u32 tmpl_idx,
|
||||
u32 *indir_table);
|
||||
|
||||
int hinic_rss_get_template_tbl(struct hinic_dev *nic_dev, u32 tmpl_idx,
|
||||
u8 *temp);
|
||||
|
||||
int hinic_rss_get_hash_engine(struct hinic_dev *nic_dev, u8 tmpl_idx,
|
||||
u8 *type);
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user