diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ethtool_common.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ethtool_common.c | 910 |
1 files changed, 906 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/ethtool_common.c b/drivers/net/ethernet/sfc/ethtool_common.c index b8d281ab6c7a..05ac87807929 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 { @@ -124,6 +125,54 @@ void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable) efx->msg_enable = msg_enable; } +void efx_ethtool_self_test(struct net_device *net_dev, + struct ethtool_test *test, u64 *data) +{ + struct efx_nic *efx = netdev_priv(net_dev); + struct efx_self_tests *efx_tests; + bool already_up; + int rc = -ENOMEM; + + efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL); + if (!efx_tests) + goto fail; + + if (efx->state != STATE_READY) { + rc = -EBUSY; + goto out; + } + + netif_info(efx, drv, efx->net_dev, "starting %sline testing\n", + (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); + + /* We need rx buffers and interrupts. */ + already_up = (efx->net_dev->flags & IFF_UP); + if (!already_up) { + rc = dev_open(efx->net_dev, NULL); + if (rc) { + netif_err(efx, drv, efx->net_dev, + "failed opening device.\n"); + goto out; + } + } + + rc = efx_selftest(efx, efx_tests, test->flags); + + if (!already_up) + dev_close(efx->net_dev); + + netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n", + rc == 0 ? "passed" : "failed", + (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); + +out: + efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data); + kfree(efx_tests); +fail: + if (rc) + test->flags |= ETH_TEST_FL_FAILED; +} + void efx_ethtool_get_pauseparam(struct net_device *net_dev, struct ethtool_pauseparam *pause) { @@ -134,6 +183,64 @@ void efx_ethtool_get_pauseparam(struct net_device *net_dev, pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); } +int efx_ethtool_set_pauseparam(struct net_device *net_dev, + struct ethtool_pauseparam *pause) +{ + struct efx_nic *efx = netdev_priv(net_dev); + u8 wanted_fc, old_fc; + u32 old_adv; + int rc = 0; + + mutex_lock(&efx->mac_lock); + + wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | + (pause->tx_pause ? EFX_FC_TX : 0) | + (pause->autoneg ? EFX_FC_AUTO : 0)); + + if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { + netif_dbg(efx, drv, efx->net_dev, + "Flow control unsupported: tx ON rx OFF\n"); + rc = -EINVAL; + goto out; + } + + if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) { + netif_dbg(efx, drv, efx->net_dev, + "Autonegotiation is disabled\n"); + rc = -EINVAL; + goto out; + } + + /* Hook for Falcon bug 11482 workaround */ + if (efx->type->prepare_enable_fc_tx && + (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX)) + efx->type->prepare_enable_fc_tx(efx); + + old_adv = efx->link_advertising[0]; + old_fc = efx->wanted_fc; + efx_link_set_wanted_fc(efx, wanted_fc); + if (efx->link_advertising[0] != old_adv || + (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) { + rc = efx->phy_op->reconfigure(efx); + if (rc) { + netif_err(efx, drv, efx->net_dev, + "Unable to advertise requested flow " + "control setting\n"); + goto out; + } + } + + /* Reconfigure the MAC. The PHY *may* generate a link state change event + * if the user just changed the advertised capabilities, but there's no + * harm doing this twice */ + efx_mac_reconfigure(efx, false); + +out: + mutex_unlock(&efx->mac_lock); + + return rc; +} + /** * efx_fill_test - fill in an individual self-test entry * @test_index: Index of the test @@ -172,8 +279,7 @@ static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data, } #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel -#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue -#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue +#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->label #define EFX_LOOPBACK_NAME(_mode, _counter) \ "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode) @@ -201,11 +307,11 @@ static int efx_fill_loopback_test(struct efx_nic *efx, efx_for_each_channel_tx_queue(tx_queue, channel) { efx_fill_test(test_index++, strings, data, - &lb_tests->tx_sent[tx_queue->queue], + &lb_tests->tx_sent[tx_queue->label], EFX_TX_QUEUE_NAME(tx_queue), EFX_LOOPBACK_NAME(mode, "tx_sent")); efx_fill_test(test_index++, strings, data, - &lb_tests->tx_done[tx_queue->queue], + &lb_tests->tx_done[tx_queue->label], EFX_TX_QUEUE_NAME(tx_queue), EFX_LOOPBACK_NAME(mode, "tx_done")); } @@ -455,3 +561,799 @@ void efx_ethtool_get_stats(struct net_device *net_dev, efx_ptp_update_stats(efx, data); } + +/* This must be called with rtnl_lock held. */ +int efx_ethtool_get_link_ksettings(struct net_device *net_dev, + struct ethtool_link_ksettings *cmd) +{ + struct efx_nic *efx = netdev_priv(net_dev); + struct efx_link_state *link_state = &efx->link_state; + u32 supported; + + mutex_lock(&efx->mac_lock); + efx->phy_op->get_link_ksettings(efx, cmd); + mutex_unlock(&efx->mac_lock); + + /* Both MACs support pause frames (bidirectional and respond-only) */ + ethtool_convert_link_mode_to_legacy_u32(&supported, + cmd->link_modes.supported); + + supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, + supported); + + if (LOOPBACK_INTERNAL(efx)) { + cmd->base.speed = link_state->speed; + cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; + } + + return 0; +} + +/* This must be called with rtnl_lock held. */ +int efx_ethtool_set_link_ksettings(struct net_device *net_dev, + const struct ethtool_link_ksettings *cmd) +{ + struct efx_nic *efx = netdev_priv(net_dev); + int rc; + + /* GMAC does not support 1000Mbps HD */ + if ((cmd->base.speed == SPEED_1000) && + (cmd->base.duplex != DUPLEX_FULL)) { + netif_dbg(efx, drv, efx->net_dev, + "rejecting unsupported 1000Mbps HD setting\n"); + return -EINVAL; + } + + mutex_lock(&efx->mac_lock); + rc = efx->phy_op->set_link_ksettings(efx, cmd); + mutex_unlock(&efx->mac_lock); + return rc; +} + +int efx_ethtool_get_fecparam(struct net_device *net_dev, + struct ethtool_fecparam *fecparam) +{ + struct efx_nic *efx = netdev_priv(net_dev); + int rc; + + if (!efx->phy_op || !efx->phy_op->get_fecparam) + return -EOPNOTSUPP; + mutex_lock(&efx->mac_lock); + rc = efx->phy_op->get_fecparam(efx, fecparam); + mutex_unlock(&efx->mac_lock); + + return rc; +} + +int efx_ethtool_set_fecparam(struct net_device *net_dev, + struct ethtool_fecparam *fecparam) +{ + struct efx_nic *efx = netdev_priv(net_dev); + int rc; + + if (!efx->phy_op || !efx->phy_op->get_fecparam) + return -EOPNOTSUPP; + mutex_lock(&efx->mac_lock); + rc = efx->phy_op->set_fecparam(efx, fecparam); + mutex_unlock(&efx->mac_lock); + + 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; +} + +int efx_ethtool_reset(struct net_device *net_dev, u32 *flags) +{ + struct efx_nic *efx = netdev_priv(net_dev); + int rc; + + rc = efx->type->map_reset_flags(flags); + if (rc < 0) + return rc; + + return efx_reset(efx, rc); +} + +int efx_ethtool_get_module_eeprom(struct net_device *net_dev, + struct ethtool_eeprom *ee, + u8 *data) +{ + struct efx_nic *efx = netdev_priv(net_dev); + int ret; + + if (!efx->phy_op || !efx->phy_op->get_module_eeprom) + return -EOPNOTSUPP; + + mutex_lock(&efx->mac_lock); + ret = efx->phy_op->get_module_eeprom(efx, ee, data); + mutex_unlock(&efx->mac_lock); + + return ret; +} + +int efx_ethtool_get_module_info(struct net_device *net_dev, + struct ethtool_modinfo *modinfo) +{ + struct efx_nic *efx = netdev_priv(net_dev); + int ret; + + if (!efx->phy_op || !efx->phy_op->get_module_info) + return -EOPNOTSUPP; + + mutex_lock(&efx->mac_lock); + ret = efx->phy_op->get_module_info(efx, modinfo); + mutex_unlock(&efx->mac_lock); + + return ret; +} |