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Message-ID: <78e4130f-ce16-2c36-94e8-4ebb35e814aa@solarflare.com>
Date: Mon, 29 Jun 2020 14:35:05 +0100
From: Edward Cree <ecree@...arflare.com>
To: <linux-net-drivers@...arflare.com>, <davem@...emloft.net>
CC: <netdev@...r.kernel.org>
Subject: [PATCH v2 net-next 08/15] sfc: commonise ethtool NFC and RXFH/RSS
functions
EF100 will share EF10's model of filtering, hashing and spreading.
Signed-off-by: Edward Cree <ecree@...arflare.com>
---
drivers/net/ethernet/sfc/ethtool.c | 672 ----------------------
drivers/net/ethernet/sfc/ethtool_common.c | 672 ++++++++++++++++++++++
drivers/net/ethernet/sfc/ethtool_common.h | 16 +
3 files changed, 688 insertions(+), 672 deletions(-)
diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c
index 55413d451ac3..5e0051b94ae7 100644
--- a/drivers/net/ethernet/sfc/ethtool.c
+++ b/drivers/net/ethernet/sfc/ethtool.c
@@ -267,678 +267,6 @@ static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
return efx_reset(efx, rc);
}
-/* MAC address mask including only I/G bit */
-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,
- u32 *rss_context)
-{
- 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;
- int rc;
-
- rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
- rule->location, &spec);
- if (rc)
- return rc;
-
- if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
- rule->ring_cookie = RX_CLS_FLOW_DISC;
- else
- rule->ring_cookie = spec.dmaq_id;
-
- if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
- spec.ether_type == htons(ETH_P_IP) &&
- (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_V4_FLOW : UDP_V4_FLOW);
- if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
- ip_entry->ip4dst = spec.loc_host[0];
- ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
- }
- if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
- ip_entry->ip4src = spec.rem_host[0];
- ip_mask->ip4src = IP4_ADDR_FULL_MASK;
- }
- if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
- ip_entry->pdst = spec.loc_port;
- ip_mask->pdst = PORT_FULL_MASK;
- }
- if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
- 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 |
- EFX_FILTER_MATCH_OUTER_VID))) {
- rule->flow_type = ETHER_FLOW;
- if (spec.match_flags &
- (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
- ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
- if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
- eth_broadcast_addr(mac_mask->h_dest);
- else
- ether_addr_copy(mac_mask->h_dest,
- mac_addr_ig_mask);
- }
- if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
- ether_addr_copy(mac_entry->h_source, spec.rem_mac);
- eth_broadcast_addr(mac_mask->h_source);
- }
- if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
- 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);
- return -EINVAL;
- }
-
- if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
- rule->flow_type |= FLOW_EXT;
- rule->h_ext.vlan_tci = spec.outer_vid;
- rule->m_ext.vlan_tci = htons(0xfff);
- }
-
- if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
- rule->flow_type |= FLOW_RSS;
- *rss_context = spec.rss_context;
- }
-
- return rc;
-}
-
-static int
-efx_ethtool_get_rxnfc(struct net_device *net_dev,
- struct ethtool_rxnfc *info, u32 *rule_locs)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
- u32 rss_context = 0;
- s32 rc = 0;
-
- switch (info->cmd) {
- case ETHTOOL_GRXRINGS:
- info->data = efx->n_rx_channels;
- return 0;
-
- case ETHTOOL_GRXFH: {
- struct efx_rss_context *ctx = &efx->rss_context;
- __u64 data;
-
- mutex_lock(&efx->rss_lock);
- if (info->flow_type & FLOW_RSS && info->rss_context) {
- ctx = efx_find_rss_context_entry(efx, info->rss_context);
- if (!ctx) {
- rc = -ENOENT;
- goto out_unlock;
- }
- }
-
- data = 0;
- if (!efx_rss_active(ctx)) /* No RSS */
- goto out_setdata_unlock;
-
- switch (info->flow_type & ~FLOW_RSS) {
- case UDP_V4_FLOW:
- case UDP_V6_FLOW:
- if (ctx->rx_hash_udp_4tuple)
- data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
- RXH_IP_SRC | RXH_IP_DST);
- else
- data = RXH_IP_SRC | RXH_IP_DST;
- break;
- case TCP_V4_FLOW:
- case TCP_V6_FLOW:
- data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
- RXH_IP_SRC | RXH_IP_DST);
- break;
- case SCTP_V4_FLOW:
- case SCTP_V6_FLOW:
- case AH_ESP_V4_FLOW:
- case AH_ESP_V6_FLOW:
- case IPV4_FLOW:
- case IPV6_FLOW:
- data = RXH_IP_SRC | RXH_IP_DST;
- break;
- default:
- break;
- }
-out_setdata_unlock:
- info->data = data;
-out_unlock:
- mutex_unlock(&efx->rss_lock);
- return rc;
- }
-
- case ETHTOOL_GRXCLSRLCNT:
- info->data = efx_filter_get_rx_id_limit(efx);
- if (info->data == 0)
- return -EOPNOTSUPP;
- info->data |= RX_CLS_LOC_SPECIAL;
- info->rule_cnt =
- efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
- return 0;
-
- case ETHTOOL_GRXCLSRULE:
- if (efx_filter_get_rx_id_limit(efx) == 0)
- return -EOPNOTSUPP;
- rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
- if (rc < 0)
- return rc;
- if (info->fs.flow_type & FLOW_RSS)
- info->rss_context = rss_context;
- return 0;
-
- case ETHTOOL_GRXCLSRLALL:
- info->data = efx_filter_get_rx_id_limit(efx);
- if (info->data == 0)
- return -EOPNOTSUPP;
- rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
- rule_locs, info->rule_cnt);
- if (rc < 0)
- return rc;
- info->rule_cnt = rc;
- return 0;
-
- default:
- return -EOPNOTSUPP;
- }
-}
-
-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,
- u32 rss_context)
-{
- 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;
- u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
- struct ethhdr *mac_entry = &rule->h_u.ether_spec;
- struct ethhdr *mac_mask = &rule->m_u.ether_spec;
- enum efx_filter_flags flags = 0;
- struct efx_filter_spec spec;
- int rc;
-
- /* Check that user wants us to choose the location */
- if (rule->location != RX_CLS_LOC_ANY)
- return -EINVAL;
-
- /* Range-check ring_cookie */
- if (rule->ring_cookie >= efx->n_rx_channels &&
- rule->ring_cookie != RX_CLS_FLOW_DISC)
- return -EINVAL;
-
- /* Check for unsupported extensions */
- if ((rule->flow_type & FLOW_EXT) &&
- (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
- rule->m_ext.data[1]))
- return -EINVAL;
-
- if (efx->rx_scatter)
- flags |= EFX_FILTER_FLAG_RX_SCATTER;
- if (rule->flow_type & FLOW_RSS)
- flags |= EFX_FILTER_FLAG_RX_RSS;
-
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
- (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
- EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
-
- if (rule->flow_type & FLOW_RSS)
- spec.rss_context = rss_context;
-
- switch (flow_type) {
- case TCP_V4_FLOW:
- case UDP_V4_FLOW:
- spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
- EFX_FILTER_MATCH_IP_PROTO);
- spec.ether_type = htons(ETH_P_IP);
- spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
- : IPPROTO_UDP;
- if (ip_mask->ip4dst) {
- if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
- spec.loc_host[0] = ip_entry->ip4dst;
- }
- if (ip_mask->ip4src) {
- if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
- spec.rem_host[0] = ip_entry->ip4src;
- }
- if (ip_mask->pdst) {
- if (ip_mask->pdst != PORT_FULL_MASK)
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
- spec.loc_port = ip_entry->pdst;
- }
- if (ip_mask->psrc) {
- if (ip_mask->psrc != PORT_FULL_MASK)
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
- spec.rem_port = ip_entry->psrc;
- }
- if (ip_mask->tos)
- 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 = flow_type == 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,
- mac_addr_ig_mask))
- spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
- else if (is_broadcast_ether_addr(mac_mask->h_dest))
- spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
- else
- return -EINVAL;
- ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
- }
- if (!is_zero_ether_addr(mac_mask->h_source)) {
- if (!is_broadcast_ether_addr(mac_mask->h_source))
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
- ether_addr_copy(spec.rem_mac, mac_entry->h_source);
- }
- if (mac_mask->h_proto) {
- if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
- spec.ether_type = mac_entry->h_proto;
- }
- break;
-
- default:
- return -EINVAL;
- }
-
- if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
- if (rule->m_ext.vlan_tci != htons(0xfff))
- return -EINVAL;
- spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
- spec.outer_vid = rule->h_ext.vlan_tci;
- }
-
- rc = efx_filter_insert_filter(efx, &spec, true);
- if (rc < 0)
- return rc;
-
- rule->location = rc;
- return 0;
-}
-
-static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
- struct ethtool_rxnfc *info)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
-
- if (efx_filter_get_rx_id_limit(efx) == 0)
- return -EOPNOTSUPP;
-
- switch (info->cmd) {
- case ETHTOOL_SRXCLSRLINS:
- return efx_ethtool_set_class_rule(efx, &info->fs,
- info->rss_context);
-
- case ETHTOOL_SRXCLSRLDEL:
- return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
- info->fs.location);
-
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
-
- if (efx->n_rx_channels == 1)
- return 0;
- return ARRAY_SIZE(efx->rss_context.rx_indir_table);
-}
-
-static u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
-
- return efx->type->rx_hash_key_size;
-}
-
-static int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
- u8 *hfunc)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
- int rc;
-
- rc = efx->type->rx_pull_rss_config(efx);
- if (rc)
- return rc;
-
- if (hfunc)
- *hfunc = ETH_RSS_HASH_TOP;
- if (indir)
- memcpy(indir, efx->rss_context.rx_indir_table,
- sizeof(efx->rss_context.rx_indir_table));
- if (key)
- memcpy(key, efx->rss_context.rx_hash_key,
- efx->type->rx_hash_key_size);
- return 0;
-}
-
-static int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
- const u8 *key, const u8 hfunc)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
-
- /* Hash function is Toeplitz, cannot be changed */
- if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
- return -EOPNOTSUPP;
- if (!indir && !key)
- return 0;
-
- if (!key)
- key = efx->rss_context.rx_hash_key;
- if (!indir)
- indir = efx->rss_context.rx_indir_table;
-
- return efx->type->rx_push_rss_config(efx, true, indir, key);
-}
-
-static int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
- u8 *key, u8 *hfunc, u32 rss_context)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
- struct efx_rss_context *ctx;
- int rc = 0;
-
- if (!efx->type->rx_pull_rss_context_config)
- return -EOPNOTSUPP;
-
- mutex_lock(&efx->rss_lock);
- ctx = efx_find_rss_context_entry(efx, rss_context);
- if (!ctx) {
- rc = -ENOENT;
- goto out_unlock;
- }
- rc = efx->type->rx_pull_rss_context_config(efx, ctx);
- if (rc)
- goto out_unlock;
-
- if (hfunc)
- *hfunc = ETH_RSS_HASH_TOP;
- if (indir)
- memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
- if (key)
- memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
-out_unlock:
- mutex_unlock(&efx->rss_lock);
- return rc;
-}
-
-static int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
- const u32 *indir, const u8 *key,
- const u8 hfunc, u32 *rss_context,
- bool delete)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
- struct efx_rss_context *ctx;
- bool allocated = false;
- int rc;
-
- if (!efx->type->rx_push_rss_context_config)
- return -EOPNOTSUPP;
- /* Hash function is Toeplitz, cannot be changed */
- if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
- return -EOPNOTSUPP;
-
- mutex_lock(&efx->rss_lock);
-
- if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
- if (delete) {
- /* alloc + delete == Nothing to do */
- rc = -EINVAL;
- goto out_unlock;
- }
- ctx = efx_alloc_rss_context_entry(efx);
- if (!ctx) {
- rc = -ENOMEM;
- goto out_unlock;
- }
- ctx->context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
- /* Initialise indir table and key to defaults */
- efx_set_default_rx_indir_table(efx, ctx);
- netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
- allocated = true;
- } else {
- ctx = efx_find_rss_context_entry(efx, *rss_context);
- if (!ctx) {
- rc = -ENOENT;
- goto out_unlock;
- }
- }
-
- if (delete) {
- /* delete this context */
- rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
- if (!rc)
- efx_free_rss_context_entry(ctx);
- goto out_unlock;
- }
-
- if (!key)
- key = ctx->rx_hash_key;
- if (!indir)
- indir = ctx->rx_indir_table;
-
- rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
- if (rc && allocated)
- efx_free_rss_context_entry(ctx);
- else
- *rss_context = ctx->user_id;
-out_unlock:
- mutex_unlock(&efx->rss_lock);
- return rc;
-}
-
static int efx_ethtool_get_ts_info(struct net_device *net_dev,
struct ethtool_ts_info *ts_info)
{
diff --git a/drivers/net/ethernet/sfc/ethtool_common.c b/drivers/net/ethernet/sfc/ethtool_common.c
index b91961126eeb..d7d8795eb1d3 100644
--- a/drivers/net/ethernet/sfc/ethtool_common.c
+++ b/drivers/net/ethernet/sfc/ethtool_common.c
@@ -13,6 +13,7 @@
#include "mcdi.h"
#include "nic.h"
#include "selftest.h"
+#include "rx_common.h"
#include "ethtool_common.h"
struct efx_sw_stat_desc {
@@ -601,3 +602,674 @@ int efx_ethtool_set_fecparam(struct net_device *net_dev,
return rc;
}
+
+/* MAC address mask including only I/G bit */
+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,
+ u32 *rss_context)
+{
+ 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;
+ int rc;
+
+ rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
+ rule->location, &spec);
+ if (rc)
+ return rc;
+
+ if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
+ rule->ring_cookie = RX_CLS_FLOW_DISC;
+ else
+ rule->ring_cookie = spec.dmaq_id;
+
+ if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
+ spec.ether_type == htons(ETH_P_IP) &&
+ (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_V4_FLOW : UDP_V4_FLOW);
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
+ ip_entry->ip4dst = spec.loc_host[0];
+ ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
+ ip_entry->ip4src = spec.rem_host[0];
+ ip_mask->ip4src = IP4_ADDR_FULL_MASK;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
+ ip_entry->pdst = spec.loc_port;
+ ip_mask->pdst = PORT_FULL_MASK;
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
+ 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 |
+ EFX_FILTER_MATCH_OUTER_VID))) {
+ rule->flow_type = ETHER_FLOW;
+ if (spec.match_flags &
+ (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
+ ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
+ if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
+ eth_broadcast_addr(mac_mask->h_dest);
+ else
+ ether_addr_copy(mac_mask->h_dest,
+ mac_addr_ig_mask);
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
+ ether_addr_copy(mac_entry->h_source, spec.rem_mac);
+ eth_broadcast_addr(mac_mask->h_source);
+ }
+ if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
+ 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);
+ return -EINVAL;
+ }
+
+ if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
+ rule->flow_type |= FLOW_EXT;
+ rule->h_ext.vlan_tci = spec.outer_vid;
+ rule->m_ext.vlan_tci = htons(0xfff);
+ }
+
+ if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
+ rule->flow_type |= FLOW_RSS;
+ *rss_context = spec.rss_context;
+ }
+
+ return rc;
+}
+
+int efx_ethtool_get_rxnfc(struct net_device *net_dev,
+ struct ethtool_rxnfc *info, u32 *rule_locs)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ u32 rss_context = 0;
+ s32 rc = 0;
+
+ switch (info->cmd) {
+ case ETHTOOL_GRXRINGS:
+ info->data = efx->n_rx_channels;
+ return 0;
+
+ case ETHTOOL_GRXFH: {
+ struct efx_rss_context *ctx = &efx->rss_context;
+ __u64 data;
+
+ mutex_lock(&efx->rss_lock);
+ if (info->flow_type & FLOW_RSS && info->rss_context) {
+ ctx = efx_find_rss_context_entry(efx, info->rss_context);
+ if (!ctx) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+ }
+
+ data = 0;
+ if (!efx_rss_active(ctx)) /* No RSS */
+ goto out_setdata_unlock;
+
+ switch (info->flow_type & ~FLOW_RSS) {
+ case UDP_V4_FLOW:
+ case UDP_V6_FLOW:
+ if (ctx->rx_hash_udp_4tuple)
+ data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
+ RXH_IP_SRC | RXH_IP_DST);
+ else
+ data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
+ RXH_IP_SRC | RXH_IP_DST);
+ break;
+ case SCTP_V4_FLOW:
+ case SCTP_V6_FLOW:
+ case AH_ESP_V4_FLOW:
+ case AH_ESP_V6_FLOW:
+ case IPV4_FLOW:
+ case IPV6_FLOW:
+ data = RXH_IP_SRC | RXH_IP_DST;
+ break;
+ default:
+ break;
+ }
+out_setdata_unlock:
+ info->data = data;
+out_unlock:
+ mutex_unlock(&efx->rss_lock);
+ return rc;
+ }
+
+ case ETHTOOL_GRXCLSRLCNT:
+ info->data = efx_filter_get_rx_id_limit(efx);
+ if (info->data == 0)
+ return -EOPNOTSUPP;
+ info->data |= RX_CLS_LOC_SPECIAL;
+ info->rule_cnt =
+ efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
+ return 0;
+
+ case ETHTOOL_GRXCLSRULE:
+ if (efx_filter_get_rx_id_limit(efx) == 0)
+ return -EOPNOTSUPP;
+ rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
+ if (rc < 0)
+ return rc;
+ if (info->fs.flow_type & FLOW_RSS)
+ info->rss_context = rss_context;
+ return 0;
+
+ case ETHTOOL_GRXCLSRLALL:
+ info->data = efx_filter_get_rx_id_limit(efx);
+ if (info->data == 0)
+ return -EOPNOTSUPP;
+ rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
+ rule_locs, info->rule_cnt);
+ if (rc < 0)
+ return rc;
+ info->rule_cnt = rc;
+ return 0;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+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,
+ u32 rss_context)
+{
+ 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;
+ u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
+ struct ethhdr *mac_entry = &rule->h_u.ether_spec;
+ struct ethhdr *mac_mask = &rule->m_u.ether_spec;
+ enum efx_filter_flags flags = 0;
+ struct efx_filter_spec spec;
+ int rc;
+
+ /* Check that user wants us to choose the location */
+ if (rule->location != RX_CLS_LOC_ANY)
+ return -EINVAL;
+
+ /* Range-check ring_cookie */
+ if (rule->ring_cookie >= efx->n_rx_channels &&
+ rule->ring_cookie != RX_CLS_FLOW_DISC)
+ return -EINVAL;
+
+ /* Check for unsupported extensions */
+ if ((rule->flow_type & FLOW_EXT) &&
+ (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
+ rule->m_ext.data[1]))
+ return -EINVAL;
+
+ if (efx->rx_scatter)
+ flags |= EFX_FILTER_FLAG_RX_SCATTER;
+ if (rule->flow_type & FLOW_RSS)
+ flags |= EFX_FILTER_FLAG_RX_RSS;
+
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
+ (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
+ EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
+
+ if (rule->flow_type & FLOW_RSS)
+ spec.rss_context = rss_context;
+
+ switch (flow_type) {
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
+ EFX_FILTER_MATCH_IP_PROTO);
+ spec.ether_type = htons(ETH_P_IP);
+ spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
+ : IPPROTO_UDP;
+ if (ip_mask->ip4dst) {
+ if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
+ spec.loc_host[0] = ip_entry->ip4dst;
+ }
+ if (ip_mask->ip4src) {
+ if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
+ spec.rem_host[0] = ip_entry->ip4src;
+ }
+ if (ip_mask->pdst) {
+ if (ip_mask->pdst != PORT_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
+ spec.loc_port = ip_entry->pdst;
+ }
+ if (ip_mask->psrc) {
+ if (ip_mask->psrc != PORT_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
+ spec.rem_port = ip_entry->psrc;
+ }
+ if (ip_mask->tos)
+ 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 = flow_type == 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,
+ mac_addr_ig_mask))
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
+ else if (is_broadcast_ether_addr(mac_mask->h_dest))
+ spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
+ else
+ return -EINVAL;
+ ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
+ }
+ if (!is_zero_ether_addr(mac_mask->h_source)) {
+ if (!is_broadcast_ether_addr(mac_mask->h_source))
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
+ ether_addr_copy(spec.rem_mac, mac_entry->h_source);
+ }
+ if (mac_mask->h_proto) {
+ if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
+ spec.ether_type = mac_entry->h_proto;
+ }
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
+ if (rule->m_ext.vlan_tci != htons(0xfff))
+ return -EINVAL;
+ spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
+ spec.outer_vid = rule->h_ext.vlan_tci;
+ }
+
+ rc = efx_filter_insert_filter(efx, &spec, true);
+ if (rc < 0)
+ return rc;
+
+ rule->location = rc;
+ return 0;
+}
+
+int efx_ethtool_set_rxnfc(struct net_device *net_dev,
+ struct ethtool_rxnfc *info)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+
+ if (efx_filter_get_rx_id_limit(efx) == 0)
+ return -EOPNOTSUPP;
+
+ switch (info->cmd) {
+ case ETHTOOL_SRXCLSRLINS:
+ return efx_ethtool_set_class_rule(efx, &info->fs,
+ info->rss_context);
+
+ case ETHTOOL_SRXCLSRLDEL:
+ return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
+ info->fs.location);
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+
+ if (efx->n_rx_channels == 1)
+ return 0;
+ return ARRAY_SIZE(efx->rss_context.rx_indir_table);
+}
+
+u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+
+ return efx->type->rx_hash_key_size;
+}
+
+int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
+ u8 *hfunc)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ int rc;
+
+ rc = efx->type->rx_pull_rss_config(efx);
+ if (rc)
+ return rc;
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+ if (indir)
+ memcpy(indir, efx->rss_context.rx_indir_table,
+ sizeof(efx->rss_context.rx_indir_table));
+ if (key)
+ memcpy(key, efx->rss_context.rx_hash_key,
+ efx->type->rx_hash_key_size);
+ return 0;
+}
+
+int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+
+ /* Hash function is Toeplitz, cannot be changed */
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+ if (!indir && !key)
+ return 0;
+
+ if (!key)
+ key = efx->rss_context.rx_hash_key;
+ if (!indir)
+ indir = efx->rss_context.rx_indir_table;
+
+ return efx->type->rx_push_rss_config(efx, true, indir, key);
+}
+
+int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
+ u8 *key, u8 *hfunc, u32 rss_context)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ struct efx_rss_context *ctx;
+ int rc = 0;
+
+ if (!efx->type->rx_pull_rss_context_config)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&efx->rss_lock);
+ ctx = efx_find_rss_context_entry(efx, rss_context);
+ if (!ctx) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+ rc = efx->type->rx_pull_rss_context_config(efx, ctx);
+ if (rc)
+ goto out_unlock;
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+ if (indir)
+ memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
+ if (key)
+ memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
+out_unlock:
+ mutex_unlock(&efx->rss_lock);
+ return rc;
+}
+
+int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
+ const u32 *indir, const u8 *key,
+ const u8 hfunc, u32 *rss_context,
+ bool delete)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ struct efx_rss_context *ctx;
+ bool allocated = false;
+ int rc;
+
+ if (!efx->type->rx_push_rss_context_config)
+ return -EOPNOTSUPP;
+ /* Hash function is Toeplitz, cannot be changed */
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&efx->rss_lock);
+
+ if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
+ if (delete) {
+ /* alloc + delete == Nothing to do */
+ rc = -EINVAL;
+ goto out_unlock;
+ }
+ ctx = efx_alloc_rss_context_entry(efx);
+ if (!ctx) {
+ rc = -ENOMEM;
+ goto out_unlock;
+ }
+ ctx->context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
+ /* Initialise indir table and key to defaults */
+ efx_set_default_rx_indir_table(efx, ctx);
+ netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
+ allocated = true;
+ } else {
+ ctx = efx_find_rss_context_entry(efx, *rss_context);
+ if (!ctx) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+ }
+
+ if (delete) {
+ /* delete this context */
+ rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
+ if (!rc)
+ efx_free_rss_context_entry(ctx);
+ goto out_unlock;
+ }
+
+ if (!key)
+ key = ctx->rx_hash_key;
+ if (!indir)
+ indir = ctx->rx_indir_table;
+
+ rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
+ if (rc && allocated)
+ efx_free_rss_context_entry(ctx);
+ else
+ *rss_context = ctx->user_id;
+out_unlock:
+ mutex_unlock(&efx->rss_lock);
+ return rc;
+}
diff --git a/drivers/net/ethernet/sfc/ethtool_common.h b/drivers/net/ethernet/sfc/ethtool_common.h
index eaa1fd9157f8..024a78ce0905 100644
--- a/drivers/net/ethernet/sfc/ethtool_common.h
+++ b/drivers/net/ethernet/sfc/ethtool_common.h
@@ -37,4 +37,20 @@ int efx_ethtool_get_fecparam(struct net_device *net_dev,
struct ethtool_fecparam *fecparam);
int efx_ethtool_set_fecparam(struct net_device *net_dev,
struct ethtool_fecparam *fecparam);
+int efx_ethtool_get_rxnfc(struct net_device *net_dev,
+ struct ethtool_rxnfc *info, u32 *rule_locs);
+int efx_ethtool_set_rxnfc(struct net_device *net_dev,
+ struct ethtool_rxnfc *info);
+u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev);
+u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev);
+int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
+ u8 *hfunc);
+int efx_ethtool_set_rxfh(struct net_device *net_dev,
+ const u32 *indir, const u8 *key, const u8 hfunc);
+int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
+ u8 *key, u8 *hfunc, u32 rss_context);
+int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
+ const u32 *indir, const u8 *key,
+ const u8 hfunc, u32 *rss_context,
+ bool delete);
#endif
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