net: hns3: split out hclge_fd_check_ether_tuple()
For readability and maintainability, this patch separates the
handling part of each flow type in hclge_fd_check_ether_tuple()
into standalone functions.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index a758f9a..80d0651 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5244,14 +5244,178 @@ static int hclge_config_action(struct hclge_dev *hdev, u8 stage,
return hclge_fd_ad_config(hdev, stage, ad_data.ad_id, &ad_data);
}
-static int hclge_fd_check_spec(struct hclge_dev *hdev,
- struct ethtool_rx_flow_spec *fs, u32 *unused)
+static int hclge_fd_check_tcpip4_tuple(struct ethtool_tcpip4_spec *spec,
+ u32 *unused_tuple)
{
- struct ethtool_tcpip4_spec *tcp_ip4_spec;
- struct ethtool_usrip4_spec *usr_ip4_spec;
- struct ethtool_tcpip6_spec *tcp_ip6_spec;
- struct ethtool_usrip6_spec *usr_ip6_spec;
- struct ethhdr *ether_spec;
+ if (!spec || !unused_tuple)
+ return -EINVAL;
+
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC);
+
+ if (!spec->ip4src)
+ *unused_tuple |= BIT(INNER_SRC_IP);
+
+ if (!spec->ip4dst)
+ *unused_tuple |= BIT(INNER_DST_IP);
+
+ if (!spec->psrc)
+ *unused_tuple |= BIT(INNER_SRC_PORT);
+
+ if (!spec->pdst)
+ *unused_tuple |= BIT(INNER_DST_PORT);
+
+ if (!spec->tos)
+ *unused_tuple |= BIT(INNER_IP_TOS);
+
+ return 0;
+}
+
+static int hclge_fd_check_ip4_tuple(struct ethtool_usrip4_spec *spec,
+ u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
+
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
+ BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
+
+ if (!spec->ip4src)
+ *unused_tuple |= BIT(INNER_SRC_IP);
+
+ if (!spec->ip4dst)
+ *unused_tuple |= BIT(INNER_DST_IP);
+
+ if (!spec->tos)
+ *unused_tuple |= BIT(INNER_IP_TOS);
+
+ if (!spec->proto)
+ *unused_tuple |= BIT(INNER_IP_PROTO);
+
+ if (spec->l4_4_bytes)
+ return -EOPNOTSUPP;
+
+ if (spec->ip_ver != ETH_RX_NFC_IP4)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static int hclge_fd_check_tcpip6_tuple(struct ethtool_tcpip6_spec *spec,
+ u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
+
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
+ BIT(INNER_IP_TOS);
+
+ /* check whether src/dst ip address used */
+ if (!spec->ip6src[0] && !spec->ip6src[1] &&
+ !spec->ip6src[2] && !spec->ip6src[3])
+ *unused_tuple |= BIT(INNER_SRC_IP);
+
+ if (!spec->ip6dst[0] && !spec->ip6dst[1] &&
+ !spec->ip6dst[2] && !spec->ip6dst[3])
+ *unused_tuple |= BIT(INNER_DST_IP);
+
+ if (!spec->psrc)
+ *unused_tuple |= BIT(INNER_SRC_PORT);
+
+ if (!spec->pdst)
+ *unused_tuple |= BIT(INNER_DST_PORT);
+
+ if (spec->tclass)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static int hclge_fd_check_ip6_tuple(struct ethtool_usrip6_spec *spec,
+ u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
+
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
+ BIT(INNER_IP_TOS) | BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
+
+ /* check whether src/dst ip address used */
+ if (!spec->ip6src[0] && !spec->ip6src[1] &&
+ !spec->ip6src[2] && !spec->ip6src[3])
+ *unused_tuple |= BIT(INNER_SRC_IP);
+
+ if (!spec->ip6dst[0] && !spec->ip6dst[1] &&
+ !spec->ip6dst[2] && !spec->ip6dst[3])
+ *unused_tuple |= BIT(INNER_DST_IP);
+
+ if (!spec->l4_proto)
+ *unused_tuple |= BIT(INNER_IP_PROTO);
+
+ if (spec->tclass)
+ return -EOPNOTSUPP;
+
+ if (spec->l4_4_bytes)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static int hclge_fd_check_ether_tuple(struct ethhdr *spec, u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
+
+ *unused_tuple |= BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
+ BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT) |
+ BIT(INNER_IP_TOS) | BIT(INNER_IP_PROTO);
+
+ if (is_zero_ether_addr(spec->h_source))
+ *unused_tuple |= BIT(INNER_SRC_MAC);
+
+ if (is_zero_ether_addr(spec->h_dest))
+ *unused_tuple |= BIT(INNER_DST_MAC);
+
+ if (!spec->h_proto)
+ *unused_tuple |= BIT(INNER_ETH_TYPE);
+
+ return 0;
+}
+
+static int hclge_fd_check_ext_tuple(struct hclge_dev *hdev,
+ struct ethtool_rx_flow_spec *fs,
+ u32 *unused_tuple)
+{
+ if ((fs->flow_type & FLOW_EXT)) {
+ if (fs->h_ext.vlan_etype)
+ return -EOPNOTSUPP;
+ if (!fs->h_ext.vlan_tci)
+ *unused_tuple |= BIT(INNER_VLAN_TAG_FST);
+
+ if (fs->m_ext.vlan_tci &&
+ be16_to_cpu(fs->h_ext.vlan_tci) >= VLAN_N_VID)
+ return -EINVAL;
+ } else {
+ *unused_tuple |= BIT(INNER_VLAN_TAG_FST);
+ }
+
+ if (fs->flow_type & FLOW_MAC_EXT) {
+ if (!(hdev->fd_cfg.proto_support & ETHER_FLOW))
+ return -EOPNOTSUPP;
+
+ if (is_zero_ether_addr(fs->h_ext.h_dest))
+ *unused_tuple |= BIT(INNER_DST_MAC);
+ else
+ *unused_tuple &= ~(BIT(INNER_DST_MAC));
+ }
+
+ return 0;
+}
+
+static int hclge_fd_check_spec(struct hclge_dev *hdev,
+ struct ethtool_rx_flow_spec *fs,
+ u32 *unused_tuple)
+{
+ int ret;
if (fs->location >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1])
return -EINVAL;
@@ -5269,145 +5433,42 @@ static int hclge_fd_check_spec(struct hclge_dev *hdev,
case SCTP_V4_FLOW:
case TCP_V4_FLOW:
case UDP_V4_FLOW:
- tcp_ip4_spec = &fs->h_u.tcp_ip4_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC);
-
- if (!tcp_ip4_spec->ip4src)
- *unused |= BIT(INNER_SRC_IP);
-
- if (!tcp_ip4_spec->ip4dst)
- *unused |= BIT(INNER_DST_IP);
-
- if (!tcp_ip4_spec->psrc)
- *unused |= BIT(INNER_SRC_PORT);
-
- if (!tcp_ip4_spec->pdst)
- *unused |= BIT(INNER_DST_PORT);
-
- if (!tcp_ip4_spec->tos)
- *unused |= BIT(INNER_IP_TOS);
-
+ ret = hclge_fd_check_tcpip4_tuple(&fs->h_u.tcp_ip4_spec,
+ unused_tuple);
break;
case IP_USER_FLOW:
- usr_ip4_spec = &fs->h_u.usr_ip4_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
- BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
-
- if (!usr_ip4_spec->ip4src)
- *unused |= BIT(INNER_SRC_IP);
-
- if (!usr_ip4_spec->ip4dst)
- *unused |= BIT(INNER_DST_IP);
-
- if (!usr_ip4_spec->tos)
- *unused |= BIT(INNER_IP_TOS);
-
- if (!usr_ip4_spec->proto)
- *unused |= BIT(INNER_IP_PROTO);
-
- if (usr_ip4_spec->l4_4_bytes)
- return -EOPNOTSUPP;
-
- if (usr_ip4_spec->ip_ver != ETH_RX_NFC_IP4)
- return -EOPNOTSUPP;
-
+ ret = hclge_fd_check_ip4_tuple(&fs->h_u.usr_ip4_spec,
+ unused_tuple);
break;
case SCTP_V6_FLOW:
case TCP_V6_FLOW:
case UDP_V6_FLOW:
- tcp_ip6_spec = &fs->h_u.tcp_ip6_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
- BIT(INNER_IP_TOS);
-
- /* check whether src/dst ip address used */
- if (!tcp_ip6_spec->ip6src[0] && !tcp_ip6_spec->ip6src[1] &&
- !tcp_ip6_spec->ip6src[2] && !tcp_ip6_spec->ip6src[3])
- *unused |= BIT(INNER_SRC_IP);
-
- if (!tcp_ip6_spec->ip6dst[0] && !tcp_ip6_spec->ip6dst[1] &&
- !tcp_ip6_spec->ip6dst[2] && !tcp_ip6_spec->ip6dst[3])
- *unused |= BIT(INNER_DST_IP);
-
- if (!tcp_ip6_spec->psrc)
- *unused |= BIT(INNER_SRC_PORT);
-
- if (!tcp_ip6_spec->pdst)
- *unused |= BIT(INNER_DST_PORT);
-
- if (tcp_ip6_spec->tclass)
- return -EOPNOTSUPP;
-
+ ret = hclge_fd_check_tcpip6_tuple(&fs->h_u.tcp_ip6_spec,
+ unused_tuple);
break;
case IPV6_USER_FLOW:
- usr_ip6_spec = &fs->h_u.usr_ip6_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
- BIT(INNER_IP_TOS) | BIT(INNER_SRC_PORT) |
- BIT(INNER_DST_PORT);
-
- /* check whether src/dst ip address used */
- if (!usr_ip6_spec->ip6src[0] && !usr_ip6_spec->ip6src[1] &&
- !usr_ip6_spec->ip6src[2] && !usr_ip6_spec->ip6src[3])
- *unused |= BIT(INNER_SRC_IP);
-
- if (!usr_ip6_spec->ip6dst[0] && !usr_ip6_spec->ip6dst[1] &&
- !usr_ip6_spec->ip6dst[2] && !usr_ip6_spec->ip6dst[3])
- *unused |= BIT(INNER_DST_IP);
-
- if (!usr_ip6_spec->l4_proto)
- *unused |= BIT(INNER_IP_PROTO);
-
- if (usr_ip6_spec->tclass)
- return -EOPNOTSUPP;
-
- if (usr_ip6_spec->l4_4_bytes)
- return -EOPNOTSUPP;
-
+ ret = hclge_fd_check_ip6_tuple(&fs->h_u.usr_ip6_spec,
+ unused_tuple);
break;
case ETHER_FLOW:
- ether_spec = &fs->h_u.ether_spec;
- *unused |= BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
- BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT) |
- BIT(INNER_IP_TOS) | BIT(INNER_IP_PROTO);
+ if (hdev->fd_cfg.fd_mode !=
+ HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1) {
+ dev_err(&hdev->pdev->dev,
+ "ETHER_FLOW is not supported in current fd mode!\n");
+ return -EOPNOTSUPP;
+ }
- if (is_zero_ether_addr(ether_spec->h_source))
- *unused |= BIT(INNER_SRC_MAC);
-
- if (is_zero_ether_addr(ether_spec->h_dest))
- *unused |= BIT(INNER_DST_MAC);
-
- if (!ether_spec->h_proto)
- *unused |= BIT(INNER_ETH_TYPE);
-
+ ret = hclge_fd_check_ether_tuple(&fs->h_u.ether_spec,
+ unused_tuple);
break;
default:
return -EOPNOTSUPP;
}
- if ((fs->flow_type & FLOW_EXT)) {
- if (fs->h_ext.vlan_etype)
- return -EOPNOTSUPP;
- if (!fs->h_ext.vlan_tci)
- *unused |= BIT(INNER_VLAN_TAG_FST);
+ if (ret)
+ return ret;
- if (fs->m_ext.vlan_tci) {
- if (be16_to_cpu(fs->h_ext.vlan_tci) >= VLAN_N_VID)
- return -EINVAL;
- }
- } else {
- *unused |= BIT(INNER_VLAN_TAG_FST);
- }
-
- if (fs->flow_type & FLOW_MAC_EXT) {
- if (!(hdev->fd_cfg.proto_support & ETHER_FLOW))
- return -EOPNOTSUPP;
-
- if (is_zero_ether_addr(fs->h_ext.h_dest))
- *unused |= BIT(INNER_DST_MAC);
- else
- *unused &= ~(BIT(INNER_DST_MAC));
- }
-
- return 0;
+ return hclge_fd_check_ext_tuple(hdev, fs, unused_tuple);
}
static bool hclge_fd_rule_exist(struct hclge_dev *hdev, u16 location)