cxgb4: implement the ETHTOOL_GRXFH command
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index 61d4313..110843c 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -1851,9 +1851,61 @@
static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
void *rules)
{
+ const struct port_info *pi = netdev_priv(dev);
+
switch (info->cmd) {
+ case ETHTOOL_GRXFH: {
+ unsigned int v = pi->rss_mode;
+
+ info->data = 0;
+ switch (info->flow_type) {
+ case TCP_V4_FLOW:
+ if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case UDP_V4_FLOW:
+ if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) &&
+ (v & FW_RSS_VI_CONFIG_CMD_UDPEN))
+ info->data = RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case SCTP_V4_FLOW:
+ case AH_ESP_V4_FLOW:
+ case IPV4_FLOW:
+ if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case TCP_V6_FLOW:
+ if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case UDP_V6_FLOW:
+ if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) &&
+ (v & FW_RSS_VI_CONFIG_CMD_UDPEN))
+ info->data = RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case SCTP_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case IPV6_FLOW:
+ if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ }
+ return 0;
+ }
case ETHTOOL_GRXRINGS:
- info->data = netdev2pinfo(dev)->nqsets;
+ info->data = pi->nqsets;
return 0;
}
return -EOPNOTSUPP;