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-rw-r--r--drivers/net/ethernet/sfc/ethtool.c184
-rw-r--r--include/uapi/linux/ethtool.h70
2 files changed, 248 insertions, 6 deletions
diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c
index 034797661f96..445ccdb6bc67 100644
--- a/drivers/net/ethernet/sfc/ethtool.c
+++ b/drivers/net/ethernet/sfc/ethtool.c
@@ -783,14 +783,26 @@ static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
#define IP4_ADDR_FULL_MASK ((__force __be32)~0)
+#define IP_PROTO_FULL_MASK 0xFF
#define PORT_FULL_MASK ((__force __be16)~0)
#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
+static inline void ip6_fill_mask(__be32 *mask)
+{
+ mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
+}
+
static int efx_ethtool_get_class_rule(struct efx_nic *efx,
struct ethtool_rx_flow_spec *rule)
{
struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
+ struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
+ struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
+ struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
+ struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
+ struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
+ struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
struct ethhdr *mac_entry = &rule->h_u.ether_spec;
struct ethhdr *mac_mask = &rule->m_u.ether_spec;
struct efx_filter_spec spec;
@@ -833,6 +845,35 @@ static int efx_ethtool_get_class_rule(struct efx_nic *efx,
ip_entry->psrc = spec.rem_port;
ip_mask->psrc = PORT_FULL_MASK;
}
+ } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
+ spec.ether_type == htons(ETH_P_IPV6) &&
+ (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
+ (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
+ !(spec.match_flags &
+ ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
+ EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
+ EFX_FILTER_MATCH_IP_PROTO |
+ EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
+ rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
+ TCP_V6_FLOW : UDP_V6_FLOW);
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
+ memcpy(ip6_entry->ip6dst, spec.loc_host,
+ sizeof(ip6_entry->ip6dst));
+ ip6_fill_mask(ip6_mask->ip6dst);
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
+ memcpy(ip6_entry->ip6src, spec.rem_host,
+ sizeof(ip6_entry->ip6src));
+ ip6_fill_mask(ip6_mask->ip6src);
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
+ ip6_entry->pdst = spec.loc_port;
+ ip6_mask->pdst = PORT_FULL_MASK;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
+ ip6_entry->psrc = spec.rem_port;
+ ip6_mask->psrc = PORT_FULL_MASK;
+ }
} else if (!(spec.match_flags &
~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
@@ -855,6 +896,47 @@ static int efx_ethtool_get_class_rule(struct efx_nic *efx,
mac_entry->h_proto = spec.ether_type;
mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
}
+ } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
+ spec.ether_type == htons(ETH_P_IP) &&
+ !(spec.match_flags &
+ ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
+ EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
+ EFX_FILTER_MATCH_IP_PROTO))) {
+ rule->flow_type = IPV4_USER_FLOW;
+ uip_entry->ip_ver = ETH_RX_NFC_IP4;
+ if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
+ uip_mask->proto = IP_PROTO_FULL_MASK;
+ uip_entry->proto = spec.ip_proto;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
+ uip_entry->ip4dst = spec.loc_host[0];
+ uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
+ uip_entry->ip4src = spec.rem_host[0];
+ uip_mask->ip4src = IP4_ADDR_FULL_MASK;
+ }
+ } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
+ spec.ether_type == htons(ETH_P_IPV6) &&
+ !(spec.match_flags &
+ ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
+ EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
+ EFX_FILTER_MATCH_IP_PROTO))) {
+ rule->flow_type = IPV6_USER_FLOW;
+ if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
+ uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
+ uip6_entry->l4_proto = spec.ip_proto;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
+ memcpy(uip6_entry->ip6dst, spec.loc_host,
+ sizeof(uip6_entry->ip6dst));
+ ip6_fill_mask(uip6_mask->ip6dst);
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
+ memcpy(uip6_entry->ip6src, spec.rem_host,
+ sizeof(uip6_entry->ip6src));
+ ip6_fill_mask(uip6_mask->ip6src);
+ }
} else {
/* The above should handle all filters that we insert */
WARN_ON(1);
@@ -946,11 +1028,27 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
}
}
+static inline bool ip6_mask_is_full(__be32 mask[4])
+{
+ return !~(mask[0] & mask[1] & mask[2] & mask[3]);
+}
+
+static inline bool ip6_mask_is_empty(__be32 mask[4])
+{
+ return !(mask[0] | mask[1] | mask[2] | mask[3]);
+}
+
static int efx_ethtool_set_class_rule(struct efx_nic *efx,
struct ethtool_rx_flow_spec *rule)
{
struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
+ struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
+ struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
+ struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
+ struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
+ struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
+ struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
struct ethhdr *mac_entry = &rule->h_u.ether_spec;
struct ethhdr *mac_mask = &rule->m_u.ether_spec;
struct efx_filter_spec spec;
@@ -1012,6 +1110,92 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
return -EINVAL;
break;
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
+ EFX_FILTER_MATCH_IP_PROTO);
+ spec.ether_type = htons(ETH_P_IPV6);
+ spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V6_FLOW ?
+ IPPROTO_TCP : IPPROTO_UDP);
+ if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
+ if (!ip6_mask_is_full(ip6_mask->ip6dst))
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
+ memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
+ }
+ if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
+ if (!ip6_mask_is_full(ip6_mask->ip6src))
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
+ memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
+ }
+ if (ip6_mask->pdst) {
+ if (ip6_mask->pdst != PORT_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
+ spec.loc_port = ip6_entry->pdst;
+ }
+ if (ip6_mask->psrc) {
+ if (ip6_mask->psrc != PORT_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
+ spec.rem_port = ip6_entry->psrc;
+ }
+ if (ip6_mask->tclass)
+ return -EINVAL;
+ break;
+
+ case IPV4_USER_FLOW:
+ if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
+ uip_entry->ip_ver != ETH_RX_NFC_IP4)
+ return -EINVAL;
+ spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
+ spec.ether_type = htons(ETH_P_IP);
+ if (uip_mask->ip4dst) {
+ if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
+ spec.loc_host[0] = uip_entry->ip4dst;
+ }
+ if (uip_mask->ip4src) {
+ if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
+ spec.rem_host[0] = uip_entry->ip4src;
+ }
+ if (uip_mask->proto) {
+ if (uip_mask->proto != IP_PROTO_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
+ spec.ip_proto = uip_entry->proto;
+ }
+ break;
+
+ case IPV6_USER_FLOW:
+ if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
+ return -EINVAL;
+ spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
+ spec.ether_type = htons(ETH_P_IPV6);
+ if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
+ if (!ip6_mask_is_full(uip6_mask->ip6dst))
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
+ memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
+ }
+ if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
+ if (!ip6_mask_is_full(uip6_mask->ip6src))
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
+ memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
+ }
+ if (uip6_mask->l4_proto) {
+ if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
+ spec.ip_proto = uip6_entry->l4_proto;
+ }
+ break;
+
case ETHER_FLOW:
if (!is_zero_ether_addr(mac_mask->h_dest)) {
if (ether_addr_equal(mac_mask->h_dest,
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index b2e180181629..5e0940dcbfe8 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -748,6 +748,56 @@ struct ethtool_usrip4_spec {
__u8 proto;
};
+/**
+ * struct ethtool_tcpip6_spec - flow specification for TCP/IPv6 etc.
+ * @ip6src: Source host
+ * @ip6dst: Destination host
+ * @psrc: Source port
+ * @pdst: Destination port
+ * @tclass: Traffic Class
+ *
+ * This can be used to specify a TCP/IPv6, UDP/IPv6 or SCTP/IPv6 flow.
+ */
+struct ethtool_tcpip6_spec {
+ __be32 ip6src[4];
+ __be32 ip6dst[4];
+ __be16 psrc;
+ __be16 pdst;
+ __u8 tclass;
+};
+
+/**
+ * struct ethtool_ah_espip6_spec - flow specification for IPsec/IPv6
+ * @ip6src: Source host
+ * @ip6dst: Destination host
+ * @spi: Security parameters index
+ * @tclass: Traffic Class
+ *
+ * This can be used to specify an IPsec transport or tunnel over IPv6.
+ */
+struct ethtool_ah_espip6_spec {
+ __be32 ip6src[4];
+ __be32 ip6dst[4];
+ __be32 spi;
+ __u8 tclass;
+};
+
+/**
+ * struct ethtool_usrip6_spec - general flow specification for IPv6
+ * @ip6src: Source host
+ * @ip6dst: Destination host
+ * @l4_4_bytes: First 4 bytes of transport (layer 4) header
+ * @tclass: Traffic Class
+ * @l4_proto: Transport protocol number (nexthdr after any Extension Headers)
+ */
+struct ethtool_usrip6_spec {
+ __be32 ip6src[4];
+ __be32 ip6dst[4];
+ __be32 l4_4_bytes;
+ __u8 tclass;
+ __u8 l4_proto;
+};
+
union ethtool_flow_union {
struct ethtool_tcpip4_spec tcp_ip4_spec;
struct ethtool_tcpip4_spec udp_ip4_spec;
@@ -755,6 +805,12 @@ union ethtool_flow_union {
struct ethtool_ah_espip4_spec ah_ip4_spec;
struct ethtool_ah_espip4_spec esp_ip4_spec;
struct ethtool_usrip4_spec usr_ip4_spec;
+ struct ethtool_tcpip6_spec tcp_ip6_spec;
+ struct ethtool_tcpip6_spec udp_ip6_spec;
+ struct ethtool_tcpip6_spec sctp_ip6_spec;
+ struct ethtool_ah_espip6_spec ah_ip6_spec;
+ struct ethtool_ah_espip6_spec esp_ip6_spec;
+ struct ethtool_usrip6_spec usr_ip6_spec;
struct ethhdr ether_spec;
__u8 hdata[52];
};
@@ -1401,15 +1457,17 @@ static inline int ethtool_validate_duplex(__u8 duplex)
#define UDP_V4_FLOW 0x02 /* hash or spec (udp_ip4_spec) */
#define SCTP_V4_FLOW 0x03 /* hash or spec (sctp_ip4_spec) */
#define AH_ESP_V4_FLOW 0x04 /* hash only */
-#define TCP_V6_FLOW 0x05 /* hash only */
-#define UDP_V6_FLOW 0x06 /* hash only */
-#define SCTP_V6_FLOW 0x07 /* hash only */
+#define TCP_V6_FLOW 0x05 /* hash or spec (tcp_ip6_spec; nfc only) */
+#define UDP_V6_FLOW 0x06 /* hash or spec (udp_ip6_spec; nfc only) */
+#define SCTP_V6_FLOW 0x07 /* hash or spec (sctp_ip6_spec; nfc only) */
#define AH_ESP_V6_FLOW 0x08 /* hash only */
#define AH_V4_FLOW 0x09 /* hash or spec (ah_ip4_spec) */
#define ESP_V4_FLOW 0x0a /* hash or spec (esp_ip4_spec) */
-#define AH_V6_FLOW 0x0b /* hash only */
-#define ESP_V6_FLOW 0x0c /* hash only */
-#define IP_USER_FLOW 0x0d /* spec only (usr_ip4_spec) */
+#define AH_V6_FLOW 0x0b /* hash or spec (ah_ip6_spec; nfc only) */
+#define ESP_V6_FLOW 0x0c /* hash or spec (esp_ip6_spec; nfc only) */
+#define IPV4_USER_FLOW 0x0d /* spec only (usr_ip4_spec) */
+#define IP_USER_FLOW IPV4_USER_FLOW
+#define IPV6_USER_FLOW 0x0e /* spec only (usr_ip6_spec; nfc only) */
#define IPV4_FLOW 0x10 /* hash only */
#define IPV6_FLOW 0x11 /* hash only */
#define ETHER_FLOW 0x12 /* spec only (ether_spec) */
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