[PATCH V2 net-next 2/7] net: hns3: refactor out hclge_fd_get_tuple()
From: Huazhong Tan <hidden>
Date: 2021-03-22 03:52:32
Subsystem:
hisilicon network subsystem 3 driver (hns3), hisilicon network subsystem driver, networking drivers, the rest · Maintainers:
Jian Shen, Jijie Shao, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Jian Shen <shenjian15@huawei.com> The process of function hclge_fd_get_tuple() is complex and prolix. To make it more readable, extract the process of each flow-type tuple to a single function. Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong Tan <redacted> --- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 220 +++++++++++---------- 1 file changed, 117 insertions(+), 103 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 4929220..a17831f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c@@ -5935,144 +5935,158 @@ static int hclge_fd_update_rule_list(struct hclge_dev *hdev, return 0; } -static int hclge_fd_get_tuple(struct hclge_dev *hdev, - struct ethtool_rx_flow_spec *fs, - struct hclge_fd_rule *rule) +static void hclge_fd_get_tcpip4_tuple(struct hclge_dev *hdev, + struct ethtool_rx_flow_spec *fs, + struct hclge_fd_rule *rule, u8 ip_proto) { - u32 flow_type = fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT); + rule->tuples.src_ip[IPV4_INDEX] = + be32_to_cpu(fs->h_u.tcp_ip4_spec.ip4src); + rule->tuples_mask.src_ip[IPV4_INDEX] = + be32_to_cpu(fs->m_u.tcp_ip4_spec.ip4src); - switch (flow_type) { - case SCTP_V4_FLOW: - case TCP_V4_FLOW: - case UDP_V4_FLOW: - rule->tuples.src_ip[IPV4_INDEX] = - be32_to_cpu(fs->h_u.tcp_ip4_spec.ip4src); - rule->tuples_mask.src_ip[IPV4_INDEX] = - be32_to_cpu(fs->m_u.tcp_ip4_spec.ip4src); + rule->tuples.dst_ip[IPV4_INDEX] = + be32_to_cpu(fs->h_u.tcp_ip4_spec.ip4dst); + rule->tuples_mask.dst_ip[IPV4_INDEX] = + be32_to_cpu(fs->m_u.tcp_ip4_spec.ip4dst); - rule->tuples.dst_ip[IPV4_INDEX] = - be32_to_cpu(fs->h_u.tcp_ip4_spec.ip4dst); - rule->tuples_mask.dst_ip[IPV4_INDEX] = - be32_to_cpu(fs->m_u.tcp_ip4_spec.ip4dst); + rule->tuples.src_port = be16_to_cpu(fs->h_u.tcp_ip4_spec.psrc); + rule->tuples_mask.src_port = be16_to_cpu(fs->m_u.tcp_ip4_spec.psrc); - rule->tuples.src_port = be16_to_cpu(fs->h_u.tcp_ip4_spec.psrc); - rule->tuples_mask.src_port = - be16_to_cpu(fs->m_u.tcp_ip4_spec.psrc); + rule->tuples.dst_port = be16_to_cpu(fs->h_u.tcp_ip4_spec.pdst); + rule->tuples_mask.dst_port = be16_to_cpu(fs->m_u.tcp_ip4_spec.pdst); - rule->tuples.dst_port = be16_to_cpu(fs->h_u.tcp_ip4_spec.pdst); - rule->tuples_mask.dst_port = - be16_to_cpu(fs->m_u.tcp_ip4_spec.pdst); + rule->tuples.ip_tos = fs->h_u.tcp_ip4_spec.tos; + rule->tuples_mask.ip_tos = fs->m_u.tcp_ip4_spec.tos; - rule->tuples.ip_tos = fs->h_u.tcp_ip4_spec.tos; - rule->tuples_mask.ip_tos = fs->m_u.tcp_ip4_spec.tos; + rule->tuples.ether_proto = ETH_P_IP; + rule->tuples_mask.ether_proto = 0xFFFF; - rule->tuples.ether_proto = ETH_P_IP; - rule->tuples_mask.ether_proto = 0xFFFF; + rule->tuples.ip_proto = ip_proto; + rule->tuples_mask.ip_proto = 0xFF; +} - break; - case IP_USER_FLOW: - rule->tuples.src_ip[IPV4_INDEX] = - be32_to_cpu(fs->h_u.usr_ip4_spec.ip4src); - rule->tuples_mask.src_ip[IPV4_INDEX] = - be32_to_cpu(fs->m_u.usr_ip4_spec.ip4src); +static void hclge_fd_get_ip4_tuple(struct hclge_dev *hdev, + struct ethtool_rx_flow_spec *fs, + struct hclge_fd_rule *rule) +{ + rule->tuples.src_ip[IPV4_INDEX] = + be32_to_cpu(fs->h_u.usr_ip4_spec.ip4src); + rule->tuples_mask.src_ip[IPV4_INDEX] = + be32_to_cpu(fs->m_u.usr_ip4_spec.ip4src); - rule->tuples.dst_ip[IPV4_INDEX] = - be32_to_cpu(fs->h_u.usr_ip4_spec.ip4dst); - rule->tuples_mask.dst_ip[IPV4_INDEX] = - be32_to_cpu(fs->m_u.usr_ip4_spec.ip4dst); + rule->tuples.dst_ip[IPV4_INDEX] = + be32_to_cpu(fs->h_u.usr_ip4_spec.ip4dst); + rule->tuples_mask.dst_ip[IPV4_INDEX] = + be32_to_cpu(fs->m_u.usr_ip4_spec.ip4dst); - rule->tuples.ip_tos = fs->h_u.usr_ip4_spec.tos; - rule->tuples_mask.ip_tos = fs->m_u.usr_ip4_spec.tos; + rule->tuples.ip_tos = fs->h_u.usr_ip4_spec.tos; + rule->tuples_mask.ip_tos = fs->m_u.usr_ip4_spec.tos; - rule->tuples.ip_proto = fs->h_u.usr_ip4_spec.proto; - rule->tuples_mask.ip_proto = fs->m_u.usr_ip4_spec.proto; + rule->tuples.ip_proto = fs->h_u.usr_ip4_spec.proto; + rule->tuples_mask.ip_proto = fs->m_u.usr_ip4_spec.proto; - rule->tuples.ether_proto = ETH_P_IP; - rule->tuples_mask.ether_proto = 0xFFFF; + rule->tuples.ether_proto = ETH_P_IP; + rule->tuples_mask.ether_proto = 0xFFFF; +} - break; - case SCTP_V6_FLOW: - case TCP_V6_FLOW: - case UDP_V6_FLOW: - be32_to_cpu_array(rule->tuples.src_ip, - fs->h_u.tcp_ip6_spec.ip6src, IPV6_SIZE); - be32_to_cpu_array(rule->tuples_mask.src_ip, - fs->m_u.tcp_ip6_spec.ip6src, IPV6_SIZE); +static void hclge_fd_get_tcpip6_tuple(struct hclge_dev *hdev, + struct ethtool_rx_flow_spec *fs, + struct hclge_fd_rule *rule, u8 ip_proto) +{ + be32_to_cpu_array(rule->tuples.src_ip, fs->h_u.tcp_ip6_spec.ip6src, + IPV6_SIZE); + be32_to_cpu_array(rule->tuples_mask.src_ip, fs->m_u.tcp_ip6_spec.ip6src, + IPV6_SIZE); - be32_to_cpu_array(rule->tuples.dst_ip, - fs->h_u.tcp_ip6_spec.ip6dst, IPV6_SIZE); - be32_to_cpu_array(rule->tuples_mask.dst_ip, - fs->m_u.tcp_ip6_spec.ip6dst, IPV6_SIZE); + be32_to_cpu_array(rule->tuples.dst_ip, fs->h_u.tcp_ip6_spec.ip6dst, + IPV6_SIZE); + be32_to_cpu_array(rule->tuples_mask.dst_ip, fs->m_u.tcp_ip6_spec.ip6dst, + IPV6_SIZE); - rule->tuples.src_port = be16_to_cpu(fs->h_u.tcp_ip6_spec.psrc); - rule->tuples_mask.src_port = - be16_to_cpu(fs->m_u.tcp_ip6_spec.psrc); + rule->tuples.src_port = be16_to_cpu(fs->h_u.tcp_ip6_spec.psrc); + rule->tuples_mask.src_port = be16_to_cpu(fs->m_u.tcp_ip6_spec.psrc); - rule->tuples.dst_port = be16_to_cpu(fs->h_u.tcp_ip6_spec.pdst); - rule->tuples_mask.dst_port = - be16_to_cpu(fs->m_u.tcp_ip6_spec.pdst); + rule->tuples.dst_port = be16_to_cpu(fs->h_u.tcp_ip6_spec.pdst); + rule->tuples_mask.dst_port = be16_to_cpu(fs->m_u.tcp_ip6_spec.pdst); - rule->tuples.ether_proto = ETH_P_IPV6; - rule->tuples_mask.ether_proto = 0xFFFF; + rule->tuples.ether_proto = ETH_P_IPV6; + rule->tuples_mask.ether_proto = 0xFFFF; - break; - case IPV6_USER_FLOW: - be32_to_cpu_array(rule->tuples.src_ip, - fs->h_u.usr_ip6_spec.ip6src, IPV6_SIZE); - be32_to_cpu_array(rule->tuples_mask.src_ip, - fs->m_u.usr_ip6_spec.ip6src, IPV6_SIZE); + rule->tuples.ip_proto = ip_proto; + rule->tuples_mask.ip_proto = 0xFF; +} - be32_to_cpu_array(rule->tuples.dst_ip, - fs->h_u.usr_ip6_spec.ip6dst, IPV6_SIZE); - be32_to_cpu_array(rule->tuples_mask.dst_ip, - fs->m_u.usr_ip6_spec.ip6dst, IPV6_SIZE); +static void hclge_fd_get_ip6_tuple(struct hclge_dev *hdev, + struct ethtool_rx_flow_spec *fs, + struct hclge_fd_rule *rule) +{ + be32_to_cpu_array(rule->tuples.src_ip, fs->h_u.usr_ip6_spec.ip6src, + IPV6_SIZE); + be32_to_cpu_array(rule->tuples_mask.src_ip, fs->m_u.usr_ip6_spec.ip6src, + IPV6_SIZE); - rule->tuples.ip_proto = fs->h_u.usr_ip6_spec.l4_proto; - rule->tuples_mask.ip_proto = fs->m_u.usr_ip6_spec.l4_proto; + be32_to_cpu_array(rule->tuples.dst_ip, fs->h_u.usr_ip6_spec.ip6dst, + IPV6_SIZE); + be32_to_cpu_array(rule->tuples_mask.dst_ip, fs->m_u.usr_ip6_spec.ip6dst, + IPV6_SIZE); - rule->tuples.ether_proto = ETH_P_IPV6; - rule->tuples_mask.ether_proto = 0xFFFF; + rule->tuples.ip_proto = fs->h_u.usr_ip6_spec.l4_proto; + rule->tuples_mask.ip_proto = fs->m_u.usr_ip6_spec.l4_proto; - break; - case ETHER_FLOW: - ether_addr_copy(rule->tuples.src_mac, - fs->h_u.ether_spec.h_source); - ether_addr_copy(rule->tuples_mask.src_mac, - fs->m_u.ether_spec.h_source); + rule->tuples.ether_proto = ETH_P_IPV6; + rule->tuples_mask.ether_proto = 0xFFFF; +} - ether_addr_copy(rule->tuples.dst_mac, - fs->h_u.ether_spec.h_dest); - ether_addr_copy(rule->tuples_mask.dst_mac, - fs->m_u.ether_spec.h_dest); +static void hclge_fd_get_ether_tuple(struct hclge_dev *hdev, + struct ethtool_rx_flow_spec *fs, + struct hclge_fd_rule *rule) +{ + ether_addr_copy(rule->tuples.src_mac, fs->h_u.ether_spec.h_source); + ether_addr_copy(rule->tuples_mask.src_mac, fs->m_u.ether_spec.h_source); - rule->tuples.ether_proto = - be16_to_cpu(fs->h_u.ether_spec.h_proto); - rule->tuples_mask.ether_proto = - be16_to_cpu(fs->m_u.ether_spec.h_proto); + ether_addr_copy(rule->tuples.dst_mac, fs->h_u.ether_spec.h_dest); + ether_addr_copy(rule->tuples_mask.dst_mac, fs->m_u.ether_spec.h_dest); - break; - default: - return -EOPNOTSUPP; - } + rule->tuples.ether_proto = be16_to_cpu(fs->h_u.ether_spec.h_proto); + rule->tuples_mask.ether_proto = be16_to_cpu(fs->m_u.ether_spec.h_proto); +} + +static int hclge_fd_get_tuple(struct hclge_dev *hdev, + struct ethtool_rx_flow_spec *fs, + struct hclge_fd_rule *rule) +{ + u32 flow_type = fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT); switch (flow_type) { case SCTP_V4_FLOW: - case SCTP_V6_FLOW: - rule->tuples.ip_proto = IPPROTO_SCTP; - rule->tuples_mask.ip_proto = 0xFF; + hclge_fd_get_tcpip4_tuple(hdev, fs, rule, IPPROTO_SCTP); break; case TCP_V4_FLOW: - case TCP_V6_FLOW: - rule->tuples.ip_proto = IPPROTO_TCP; - rule->tuples_mask.ip_proto = 0xFF; + hclge_fd_get_tcpip4_tuple(hdev, fs, rule, IPPROTO_TCP); break; case UDP_V4_FLOW: + hclge_fd_get_tcpip4_tuple(hdev, fs, rule, IPPROTO_UDP); + break; + case IP_USER_FLOW: + hclge_fd_get_ip4_tuple(hdev, fs, rule); + break; + case SCTP_V6_FLOW: + hclge_fd_get_tcpip6_tuple(hdev, fs, rule, IPPROTO_SCTP); + break; + case TCP_V6_FLOW: + hclge_fd_get_tcpip6_tuple(hdev, fs, rule, IPPROTO_TCP); + break; case UDP_V6_FLOW: - rule->tuples.ip_proto = IPPROTO_UDP; - rule->tuples_mask.ip_proto = 0xFF; + hclge_fd_get_tcpip6_tuple(hdev, fs, rule, IPPROTO_UDP); break; - default: + case IPV6_USER_FLOW: + hclge_fd_get_ip6_tuple(hdev, fs, rule); break; + case ETHER_FLOW: + hclge_fd_get_ether_tuple(hdev, fs, rule); + break; + default: + return -EOPNOTSUPP; } if (fs->flow_type & FLOW_EXT) {
--
2.7.4