diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 167 |
1 files changed, 164 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index a7e04ff4eaed..fa6125eb24af 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -542,6 +542,146 @@ fltr_err: return rc; } +#endif + +static u64 get_ethtool_ipv4_rss(struct bnxt *bp) +{ + if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) + return RXH_IP_SRC | RXH_IP_DST; + return 0; +} + +static u64 get_ethtool_ipv6_rss(struct bnxt *bp) +{ + if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6) + return RXH_IP_SRC | RXH_IP_DST; + return 0; +} + +static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) +{ + cmd->data = 0; + switch (cmd->flow_type) { + case TCP_V4_FLOW: + if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4) + cmd->data |= RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + cmd->data |= get_ethtool_ipv4_rss(bp); + break; + case UDP_V4_FLOW: + if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) + cmd->data |= RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + /* fall through */ + case SCTP_V4_FLOW: + case AH_ESP_V4_FLOW: + case AH_V4_FLOW: + case ESP_V4_FLOW: + case IPV4_FLOW: + cmd->data |= get_ethtool_ipv4_rss(bp); + break; + + case TCP_V6_FLOW: + if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6) + cmd->data |= RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + cmd->data |= get_ethtool_ipv6_rss(bp); + break; + case UDP_V6_FLOW: + if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) + cmd->data |= RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + /* fall through */ + case SCTP_V6_FLOW: + case AH_ESP_V6_FLOW: + case AH_V6_FLOW: + case ESP_V6_FLOW: + case IPV6_FLOW: + cmd->data |= get_ethtool_ipv6_rss(bp); + break; + } + return 0; +} + +#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3) +#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST) + +static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) +{ + u32 rss_hash_cfg = bp->rss_hash_cfg; + int tuple, rc = 0; + + if (cmd->data == RXH_4TUPLE) + tuple = 4; + else if (cmd->data == RXH_2TUPLE) + tuple = 2; + else if (!cmd->data) + tuple = 0; + else + return -EINVAL; + + if (cmd->flow_type == TCP_V4_FLOW) { + rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; + if (tuple == 4) + rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; + } else if (cmd->flow_type == UDP_V4_FLOW) { + if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) + return -EINVAL; + rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; + if (tuple == 4) + rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; + } else if (cmd->flow_type == TCP_V6_FLOW) { + rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; + if (tuple == 4) + rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; + } else if (cmd->flow_type == UDP_V6_FLOW) { + if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) + return -EINVAL; + rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; + if (tuple == 4) + rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; + } else if (tuple == 4) { + return -EINVAL; + } + + switch (cmd->flow_type) { + case TCP_V4_FLOW: + case UDP_V4_FLOW: + case SCTP_V4_FLOW: + case AH_ESP_V4_FLOW: + case AH_V4_FLOW: + case ESP_V4_FLOW: + case IPV4_FLOW: + if (tuple == 2) + rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; + else if (!tuple) + rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; + break; + + case TCP_V6_FLOW: + case UDP_V6_FLOW: + case SCTP_V6_FLOW: + case AH_ESP_V6_FLOW: + case AH_V6_FLOW: + case ESP_V6_FLOW: + case IPV6_FLOW: + if (tuple == 2) + rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; + else if (!tuple) + rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; + break; + } + + if (bp->rss_hash_cfg == rss_hash_cfg) + return 0; + + bp->rss_hash_cfg = rss_hash_cfg; + if (netif_running(bp->dev)) { + bnxt_close_nic(bp, false, false); + rc = bnxt_open_nic(bp, false, false); + } + return rc; +} static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, u32 *rule_locs) @@ -550,6 +690,7 @@ static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, int rc = 0; switch (cmd->cmd) { +#ifdef CONFIG_RFS_ACCEL case ETHTOOL_GRXRINGS: cmd->data = bp->rx_nr_rings; break; @@ -566,6 +707,11 @@ static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, case ETHTOOL_GRXCLSRULE: rc = bnxt_grxclsrule(bp, cmd); break; +#endif + + case ETHTOOL_GRXFH: + rc = bnxt_grxfh(bp, cmd); + break; default: rc = -EOPNOTSUPP; @@ -574,7 +720,23 @@ static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, return rc; } -#endif + +static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) +{ + struct bnxt *bp = netdev_priv(dev); + int rc; + + switch (cmd->cmd) { + case ETHTOOL_SRXFH: + rc = bnxt_srxfh(bp, cmd); + break; + + default: + rc = -EOPNOTSUPP; + break; + } + return rc; +} static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) { @@ -1885,9 +2047,8 @@ const struct ethtool_ops bnxt_ethtool_ops = { .get_ringparam = bnxt_get_ringparam, .get_channels = bnxt_get_channels, .set_channels = bnxt_set_channels, -#ifdef CONFIG_RFS_ACCEL .get_rxnfc = bnxt_get_rxnfc, -#endif + .set_rxnfc = bnxt_set_rxnfc, .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, .get_rxfh_key_size = bnxt_get_rxfh_key_size, .get_rxfh = bnxt_get_rxfh, |