#include "aq_filters.h"
static bool __must_check
aq_rule_is_approve(struct ethtool_rx_flow_spec *fsp)
{
if (fsp->flow_type & FLOW_MAC_EXT)
return false;
switch (fsp->flow_type & ~FLOW_EXT) {
case ETHER_FLOW:
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
case TCP_V6_FLOW:
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
case IPV4_FLOW:
case IPV6_FLOW:
return true;
case IP_USER_FLOW:
switch (fsp->h_u.usr_ip4_spec.proto) {
case IPPROTO_TCP:
case IPPROTO_UDP:
case IPPROTO_SCTP:
case IPPROTO_IP:
return true;
default:
return false;
}
case IPV6_USER_FLOW:
switch (fsp->h_u.usr_ip6_spec.l4_proto) {
case IPPROTO_TCP:
case IPPROTO_UDP:
case IPPROTO_SCTP:
case IPPROTO_IP:
return true;
default:
return false;
}
default:
return false;
}
return false;
}
static bool __must_check
aq_match_filter(struct ethtool_rx_flow_spec *fsp1,
struct ethtool_rx_flow_spec *fsp2)
{
if (fsp1->flow_type != fsp2->flow_type ||
memcmp(&fsp1->h_u, &fsp2->h_u, sizeof(fsp2->h_u)) ||
memcmp(&fsp1->h_ext, &fsp2->h_ext, sizeof(fsp2->h_ext)) ||
memcmp(&fsp1->m_u, &fsp2->m_u, sizeof(fsp2->m_u)) ||
memcmp(&fsp1->m_ext, &fsp2->m_ext, sizeof(fsp2->m_ext)))
return false;
return true;
}
static bool __must_check
aq_rule_already_exists(struct aq_nic_s *aq_nic,
struct ethtool_rx_flow_spec *fsp)
{
struct aq_rx_filter *rule;
struct hlist_node *aq_node2;
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
if (rule->aq_fsp.location == fsp->location)
continue;
if (aq_match_filter(&rule->aq_fsp, fsp)) {
netdev_err(aq_nic->ndev,
"ethtool: This filter is already set\n");
return true;
}
}
return false;
}
static int aq_check_approve_fl3l4(struct aq_nic_s *aq_nic,
struct aq_hw_rx_fltrs_s *rx_fltrs,
struct ethtool_rx_flow_spec *fsp)
{
u32 last_location = AQ_RX_LAST_LOC_FL3L4 -
aq_nic->aq_hw_rx_fltrs.fl3l4.reserved_count;
if (fsp->location < AQ_RX_FIRST_LOC_FL3L4 ||
fsp->location > last_location) {
netdev_err(aq_nic->ndev,
"ethtool: location must be in range [%d, %d]",
AQ_RX_FIRST_LOC_FL3L4, last_location);
return -EINVAL;
}
if (rx_fltrs->fl3l4.is_ipv6 && rx_fltrs->fl3l4.active_ipv4) {
rx_fltrs->fl3l4.is_ipv6 = false;
netdev_err(aq_nic->ndev,
"ethtool: mixing ipv4 and ipv6 is not allowed");
return -EINVAL;
} else if (!rx_fltrs->fl3l4.is_ipv6 && rx_fltrs->fl3l4.active_ipv6) {
rx_fltrs->fl3l4.is_ipv6 = true;
netdev_err(aq_nic->ndev,
"ethtool: mixing ipv4 and ipv6 is not allowed");
return -EINVAL;
} else if (rx_fltrs->fl3l4.is_ipv6 &&
fsp->location != AQ_RX_FIRST_LOC_FL3L4 + 4 &&
fsp->location != AQ_RX_FIRST_LOC_FL3L4) {
netdev_err(aq_nic->ndev,
"ethtool: The specified location for ipv6 must be %d or %d",
AQ_RX_FIRST_LOC_FL3L4, AQ_RX_FIRST_LOC_FL3L4 + 4);
return -EINVAL;
}
return 0;
}
static int __must_check
aq_check_approve_fl2(struct aq_nic_s *aq_nic,
struct aq_hw_rx_fltrs_s *rx_fltrs,
struct ethtool_rx_flow_spec *fsp)
{
u32 last_location = AQ_RX_LAST_LOC_FETHERT -
aq_nic->aq_hw_rx_fltrs.fet_reserved_count;
if (fsp->location < AQ_RX_FIRST_LOC_FETHERT ||
fsp->location > last_location) {
netdev_err(aq_nic->ndev,
"ethtool: location must be in range [%d, %d]",
AQ_RX_FIRST_LOC_FETHERT,
last_location);
return -EINVAL;
}
if (be16_to_cpu(fsp->m_ext.vlan_tci) == VLAN_PRIO_MASK &&
fsp->m_u.ether_spec.h_proto == 0U) {
netdev_err(aq_nic->ndev,
"ethtool: proto (ether_type) parameter must be specified");
return -EINVAL;
}
return 0;
}
static int __must_check
aq_check_approve_fvlan(struct aq_nic_s *aq_nic,
struct aq_hw_rx_fltrs_s *rx_fltrs,
struct ethtool_rx_flow_spec *fsp)
{
struct aq_nic_cfg_s *cfg = &aq_nic->aq_nic_cfg;
if (fsp->location < AQ_RX_FIRST_LOC_FVLANID ||
fsp->location > AQ_RX_LAST_LOC_FVLANID) {
netdev_err(aq_nic->ndev,
"ethtool: location must be in range [%d, %d]",
AQ_RX_FIRST_LOC_FVLANID,
AQ_RX_LAST_LOC_FVLANID);
return -EINVAL;
}
if ((aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
(!test_bit(be16_to_cpu(fsp->h_ext.vlan_tci) & VLAN_VID_MASK,
aq_nic->active_vlans))) {
netdev_err(aq_nic->ndev,
"ethtool: unknown vlan-id specified");
return -EINVAL;
}
if (fsp->ring_cookie > cfg->num_rss_queues * cfg->tcs) {
netdev_err(aq_nic->ndev,
"ethtool: queue number must be in range [0, %d]",
cfg->num_rss_queues * cfg->tcs - 1);
return -EINVAL;
}
return 0;
}
static int __must_check
aq_check_filter(struct aq_nic_s *aq_nic,
struct ethtool_rx_flow_spec *fsp)
{
int err = 0;
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
if (fsp->flow_type & FLOW_EXT) {
if (be16_to_cpu(fsp->m_ext.vlan_tci) == VLAN_VID_MASK) {
err = aq_check_approve_fvlan(aq_nic, rx_fltrs, fsp);
} else if (be16_to_cpu(fsp->m_ext.vlan_tci) == VLAN_PRIO_MASK) {
err = aq_check_approve_fl2(aq_nic, rx_fltrs, fsp);
} else {
netdev_err(aq_nic->ndev,
"ethtool: invalid vlan mask 0x%x specified",
be16_to_cpu(fsp->m_ext.vlan_tci));
err = -EINVAL;
}
} else {
switch (fsp->flow_type & ~FLOW_EXT) {
case ETHER_FLOW:
err = aq_check_approve_fl2(aq_nic, rx_fltrs, fsp);
break;
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
case IPV4_FLOW:
case IP_USER_FLOW:
rx_fltrs->fl3l4.is_ipv6 = false;
err = aq_check_approve_fl3l4(aq_nic, rx_fltrs, fsp);
break;
case TCP_V6_FLOW:
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
case IPV6_FLOW:
case IPV6_USER_FLOW:
rx_fltrs->fl3l4.is_ipv6 = true;
err = aq_check_approve_fl3l4(aq_nic, rx_fltrs, fsp);
break;
default:
netdev_err(aq_nic->ndev,
"ethtool: unknown flow-type specified");
err = -EINVAL;
}
}
return err;
}
static bool __must_check
aq_rule_is_not_support(struct aq_nic_s *aq_nic,
struct ethtool_rx_flow_spec *fsp)
{
bool rule_is_not_support = false;
if (!(aq_nic->ndev->features & NETIF_F_NTUPLE)) {
netdev_err(aq_nic->ndev,
"ethtool: Please, to enable the RX flow control:\n"
"ethtool -K %s ntuple on\n", aq_nic->ndev->name);
rule_is_not_support = true;
} else if (!aq_rule_is_approve(fsp)) {
netdev_err(aq_nic->ndev,
"ethtool: The specified flow type is not supported\n");
rule_is_not_support = true;
} else if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW &&
(fsp->h_u.tcp_ip4_spec.tos ||
fsp->h_u.tcp_ip6_spec.tclass)) {
netdev_err(aq_nic->ndev,
"ethtool: The specified tos tclass are not supported\n");
rule_is_not_support = true;
} else if (fsp->flow_type & FLOW_MAC_EXT) {
netdev_err(aq_nic->ndev,
"ethtool: MAC_EXT is not supported");
rule_is_not_support = true;
}
return rule_is_not_support;
}
static bool __must_check
aq_rule_is_not_correct(struct aq_nic_s *aq_nic,
struct ethtool_rx_flow_spec *fsp)
{
struct aq_nic_cfg_s *cfg = &aq_nic->aq_nic_cfg;
bool rule_is_not_correct = false;
if (!aq_nic) {
rule_is_not_correct = true;
} else if (fsp->location > AQ_RX_MAX_RXNFC_LOC) {
netdev_err(aq_nic->ndev,
"ethtool: The specified number %u rule is invalid\n",
fsp->location);
rule_is_not_correct = true;
} else if (aq_check_filter(aq_nic, fsp)) {
rule_is_not_correct = true;
} else if (fsp->ring_cookie != RX_CLS_FLOW_DISC) {
if (fsp->ring_cookie >= cfg->num_rss_queues * cfg->tcs) {
netdev_err(aq_nic->ndev,
"ethtool: The specified action is invalid.\n"
"Maximum allowable value action is %u.\n",
cfg->num_rss_queues * cfg->tcs - 1);
rule_is_not_correct = true;
}
}
return rule_is_not_correct;
}
static int __must_check
aq_check_rule(struct aq_nic_s *aq_nic,
struct ethtool_rx_flow_spec *fsp)
{
int err = 0;
if (aq_rule_is_not_correct(aq_nic, fsp))
err = -EINVAL;
else if (aq_rule_is_not_support(aq_nic, fsp))
err = -EOPNOTSUPP;
else if (aq_rule_already_exists(aq_nic, fsp))
err = -EEXIST;
return err;
}
static void aq_set_data_fl2(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr,
struct aq_rx_filter_l2 *data, bool add)
{
const struct ethtool_rx_flow_spec *fsp = &aq_rx_fltr->aq_fsp;
memset(data, 0, sizeof(*data));
data->location = fsp->location - AQ_RX_FIRST_LOC_FETHERT;
if (fsp->ring_cookie != RX_CLS_FLOW_DISC)
data->queue = fsp->ring_cookie;
else
data->queue = -1;
data->ethertype = be16_to_cpu(fsp->h_u.ether_spec.h_proto);
data->user_priority_en = be16_to_cpu(fsp->m_ext.vlan_tci)
== VLAN_PRIO_MASK;
data->user_priority = (be16_to_cpu(fsp->h_ext.vlan_tci)
& VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
}
static int aq_add_del_fether(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr, bool add)
{
struct aq_rx_filter_l2 data;
struct aq_hw_s *aq_hw = aq_nic->aq_hw;
const struct aq_hw_ops *aq_hw_ops = aq_nic->aq_hw_ops;
aq_set_data_fl2(aq_nic, aq_rx_fltr, &data, add);
if (unlikely(!aq_hw_ops->hw_filter_l2_set))
return -EOPNOTSUPP;
if (unlikely(!aq_hw_ops->hw_filter_l2_clear))
return -EOPNOTSUPP;
if (add)
return aq_hw_ops->hw_filter_l2_set(aq_hw, &data);
else
return aq_hw_ops->hw_filter_l2_clear(aq_hw, &data);
}
static bool aq_fvlan_is_busy(struct aq_rx_filter_vlan *aq_vlans, int vlan)
{
int i;
for (i = 0; i < AQ_VLAN_MAX_FILTERS; ++i) {
if (aq_vlans[i].enable &&
aq_vlans[i].queue != AQ_RX_QUEUE_NOT_ASSIGNED &&
aq_vlans[i].vlan_id == vlan) {
return true;
}
}
return false;
}
static void aq_fvlan_rebuild(struct aq_nic_s *aq_nic,
unsigned long *active_vlans,
struct aq_rx_filter_vlan *aq_vlans)
{
bool vlan_busy = false;
int vlan = -1;
int i;
for (i = 0; i < AQ_VLAN_MAX_FILTERS; ++i) {
if (aq_vlans[i].enable &&
aq_vlans[i].queue != AQ_RX_QUEUE_NOT_ASSIGNED)
continue;
do {
vlan = find_next_bit(active_vlans,
VLAN_N_VID,
vlan + 1);
if (vlan == VLAN_N_VID) {
aq_vlans[i].enable = 0U;
aq_vlans[i].queue = AQ_RX_QUEUE_NOT_ASSIGNED;
aq_vlans[i].vlan_id = 0;
continue;
}
vlan_busy = aq_fvlan_is_busy(aq_vlans, vlan);
if (!vlan_busy) {
aq_vlans[i].enable = 1U;
aq_vlans[i].queue = AQ_RX_QUEUE_NOT_ASSIGNED;
aq_vlans[i].vlan_id = vlan;
}
} while (vlan_busy && vlan != VLAN_N_VID);
}
}
static int aq_set_data_fvlan(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr,
struct aq_rx_filter_vlan *aq_vlans, bool add)
{
const struct ethtool_rx_flow_spec *fsp = &aq_rx_fltr->aq_fsp;
int location = fsp->location - AQ_RX_FIRST_LOC_FVLANID;
int i;
memset(&aq_vlans[location], 0, sizeof(aq_vlans[location]));
if (!add)
return 0;
for (i = 0; i < AQ_VLAN_MAX_FILTERS; ++i) {
if (aq_vlans[i].vlan_id ==
(be16_to_cpu(fsp->h_ext.vlan_tci) & VLAN_VID_MASK)) {
aq_vlans[i].enable = false;
}
}
aq_vlans[location].location = location;
aq_vlans[location].vlan_id = be16_to_cpu(fsp->h_ext.vlan_tci)
& VLAN_VID_MASK;
aq_vlans[location].queue = fsp->ring_cookie & 0x1FU;
aq_vlans[location].enable = 1U;
return 0;
}
int aq_del_fvlan_by_vlan(struct aq_nic_s *aq_nic, u16 vlan_id)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct aq_rx_filter *rule = NULL;
struct hlist_node *aq_node2;
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
if (be16_to_cpu(rule->aq_fsp.h_ext.vlan_tci) == vlan_id)
break;
}
if (rule && rule->type == aq_rx_filter_vlan &&
be16_to_cpu(rule->aq_fsp.h_ext.vlan_tci) == vlan_id) {
struct ethtool_rxnfc cmd;
cmd.fs.location = rule->aq_fsp.location;
return aq_del_rxnfc_rule(aq_nic, &cmd);
}
return -ENOENT;
}
static int aq_add_del_fvlan(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr, bool add)
{
const struct aq_hw_ops *aq_hw_ops = aq_nic->aq_hw_ops;
if (unlikely(!aq_hw_ops->hw_filter_vlan_set))
return -EOPNOTSUPP;
aq_set_data_fvlan(aq_nic,
aq_rx_fltr,
aq_nic->aq_hw_rx_fltrs.fl2.aq_vlans,
add);
return aq_filters_vlans_update(aq_nic);
}
static int aq_set_data_fl3l4(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr,
struct aq_rx_filter_l3l4 *data, bool add)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
const struct ethtool_rx_flow_spec *fsp = &aq_rx_fltr->aq_fsp;
memset(data, 0, sizeof(*data));
data->is_ipv6 = rx_fltrs->fl3l4.is_ipv6;
data->location = HW_ATL_GET_REG_LOCATION_FL3L4(fsp->location);
if (!add) {
if (!data->is_ipv6)
rx_fltrs->fl3l4.active_ipv4 &= ~BIT(data->location);
else
rx_fltrs->fl3l4.active_ipv6 &=
~BIT((data->location) / 4);
return 0;
}
data->cmd |= HW_ATL_RX_ENABLE_FLTR_L3L4;
switch (fsp->flow_type) {
case TCP_V4_FLOW:
case TCP_V6_FLOW:
data->cmd |= HW_ATL_RX_ENABLE_CMP_PROT_L4;
break;
case UDP_V4_FLOW:
case UDP_V6_FLOW:
data->cmd |= HW_ATL_RX_UDP;
data->cmd |= HW_ATL_RX_ENABLE_CMP_PROT_L4;
break;
case SCTP_V4_FLOW:
case SCTP_V6_FLOW:
data->cmd |= HW_ATL_RX_SCTP;
data->cmd |= HW_ATL_RX_ENABLE_CMP_PROT_L4;
break;
default:
break;
}
if (!data->is_ipv6) {
data->ip_src[0] =
ntohl(fsp->h_u.tcp_ip4_spec.ip4src);
data->ip_dst[0] =
ntohl(fsp->h_u.tcp_ip4_spec.ip4dst);
rx_fltrs->fl3l4.active_ipv4 |= BIT(data->location);
} else {
int i;
rx_fltrs->fl3l4.active_ipv6 |= BIT((data->location) / 4);
for (i = 0; i < HW_ATL_RX_CNT_REG_ADDR_IPV6; ++i) {
data->ip_dst[i] =
ntohl(fsp->h_u.tcp_ip6_spec.ip6dst[i]);
data->ip_src[i] =
ntohl(fsp->h_u.tcp_ip6_spec.ip6src[i]);
}
data->cmd |= HW_ATL_RX_ENABLE_L3_IPV6;
}
if (fsp->flow_type != IP_USER_FLOW &&
fsp->flow_type != IPV6_USER_FLOW) {
if (!data->is_ipv6) {
data->p_dst =
ntohs(fsp->h_u.tcp_ip4_spec.pdst);
data->p_src =
ntohs(fsp->h_u.tcp_ip4_spec.psrc);
} else {
data->p_dst =
ntohs(fsp->h_u.tcp_ip6_spec.pdst);
data->p_src =
ntohs(fsp->h_u.tcp_ip6_spec.psrc);
}
}
if (data->ip_src[0] && !data->is_ipv6)
data->cmd |= HW_ATL_RX_ENABLE_CMP_SRC_ADDR_L3;
if (data->ip_dst[0] && !data->is_ipv6)
data->cmd |= HW_ATL_RX_ENABLE_CMP_DEST_ADDR_L3;
if (data->p_dst)
data->cmd |= HW_ATL_RX_ENABLE_CMP_DEST_PORT_L4;
if (data->p_src)
data->cmd |= HW_ATL_RX_ENABLE_CMP_SRC_PORT_L4;
if (fsp->ring_cookie != RX_CLS_FLOW_DISC) {
data->cmd |= HW_ATL_RX_HOST << HW_ATL_RX_ACTION_FL3F4_SHIFT;
data->cmd |= fsp->ring_cookie << HW_ATL_RX_QUEUE_FL3L4_SHIFT;
data->cmd |= HW_ATL_RX_ENABLE_QUEUE_L3L4;
} else {
data->cmd |= HW_ATL_RX_DISCARD << HW_ATL_RX_ACTION_FL3F4_SHIFT;
}
return 0;
}
static int aq_set_fl3l4(struct aq_hw_s *aq_hw,
const struct aq_hw_ops *aq_hw_ops,
struct aq_rx_filter_l3l4 *data)
{
if (unlikely(!aq_hw_ops->hw_filter_l3l4_set))
return -EOPNOTSUPP;
return aq_hw_ops->hw_filter_l3l4_set(aq_hw, data);
}
static int aq_add_del_fl3l4(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr, bool add)
{
const struct aq_hw_ops *aq_hw_ops = aq_nic->aq_hw_ops;
struct aq_hw_s *aq_hw = aq_nic->aq_hw;
struct aq_rx_filter_l3l4 data;
if (unlikely(aq_rx_fltr->aq_fsp.location < AQ_RX_FIRST_LOC_FL3L4 ||
aq_rx_fltr->aq_fsp.location > AQ_RX_LAST_LOC_FL3L4 ||
aq_set_data_fl3l4(aq_nic, aq_rx_fltr, &data, add)))
return -EINVAL;
return aq_set_fl3l4(aq_hw, aq_hw_ops, &data);
}
static int aq_add_del_rule(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr, bool add)
{
int err = -EINVAL;
if (aq_rx_fltr->aq_fsp.flow_type & FLOW_EXT) {
if (be16_to_cpu(aq_rx_fltr->aq_fsp.m_ext.vlan_tci)
== VLAN_VID_MASK) {
aq_rx_fltr->type = aq_rx_filter_vlan;
err = aq_add_del_fvlan(aq_nic, aq_rx_fltr, add);
} else if (be16_to_cpu(aq_rx_fltr->aq_fsp.m_ext.vlan_tci)
== VLAN_PRIO_MASK) {
aq_rx_fltr->type = aq_rx_filter_ethertype;
err = aq_add_del_fether(aq_nic, aq_rx_fltr, add);
}
} else {
switch (aq_rx_fltr->aq_fsp.flow_type & ~FLOW_EXT) {
case ETHER_FLOW:
aq_rx_fltr->type = aq_rx_filter_ethertype;
err = aq_add_del_fether(aq_nic, aq_rx_fltr, add);
break;
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
case IP_USER_FLOW:
case TCP_V6_FLOW:
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
case IPV6_USER_FLOW:
aq_rx_fltr->type = aq_rx_filter_l3l4;
err = aq_add_del_fl3l4(aq_nic, aq_rx_fltr, add);
break;
default:
err = -EINVAL;
break;
}
}
return err;
}
static int aq_update_table_filters(struct aq_nic_s *aq_nic,
struct aq_rx_filter *aq_rx_fltr, u16 index,
struct ethtool_rxnfc *cmd)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct aq_rx_filter *rule = NULL, *parent = NULL;
struct hlist_node *aq_node2;
int err = -EINVAL;
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
if (rule->aq_fsp.location >= index)
break;
parent = rule;
}
if (rule && rule->aq_fsp.location == index) {
err = aq_add_del_rule(aq_nic, rule, false);
hlist_del(&rule->aq_node);
kfree(rule);
--rx_fltrs->active_filters;
}
if (unlikely(!aq_rx_fltr))
return err;
INIT_HLIST_NODE(&aq_rx_fltr->aq_node);
if (parent)
hlist_add_behind(&aq_rx_fltr->aq_node, &parent->aq_node);
else
hlist_add_head(&aq_rx_fltr->aq_node, &rx_fltrs->filter_list);
++rx_fltrs->active_filters;
return 0;
}
u16 aq_get_rxnfc_count_all_rules(struct aq_nic_s *aq_nic)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
return rx_fltrs->active_filters;
}
struct aq_hw_rx_fltrs_s *aq_get_hw_rx_fltrs(struct aq_nic_s *aq_nic)
{
return &aq_nic->aq_hw_rx_fltrs;
}
int aq_add_rxnfc_rule(struct aq_nic_s *aq_nic, const struct ethtool_rxnfc *cmd)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct ethtool_rx_flow_spec *fsp =
(struct ethtool_rx_flow_spec *)&cmd->fs;
struct aq_rx_filter *aq_rx_fltr;
int err = 0;
err = aq_check_rule(aq_nic, fsp);
if (err)
goto err_exit;
aq_rx_fltr = kzalloc_obj(*aq_rx_fltr);
if (unlikely(!aq_rx_fltr)) {
err = -ENOMEM;
goto err_exit;
}
memcpy(&aq_rx_fltr->aq_fsp, fsp, sizeof(*fsp));
err = aq_update_table_filters(aq_nic, aq_rx_fltr, fsp->location, NULL);
if (unlikely(err))
goto err_free;
err = aq_add_del_rule(aq_nic, aq_rx_fltr, true);
if (unlikely(err)) {
hlist_del(&aq_rx_fltr->aq_node);
--rx_fltrs->active_filters;
goto err_free;
}
return 0;
err_free:
kfree(aq_rx_fltr);
err_exit:
return err;
}
int aq_del_rxnfc_rule(struct aq_nic_s *aq_nic, const struct ethtool_rxnfc *cmd)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct aq_rx_filter *rule = NULL;
struct hlist_node *aq_node2;
int err = -EINVAL;
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
if (rule->aq_fsp.location == cmd->fs.location)
break;
}
if (rule && rule->aq_fsp.location == cmd->fs.location) {
err = aq_add_del_rule(aq_nic, rule, false);
hlist_del(&rule->aq_node);
kfree(rule);
--rx_fltrs->active_filters;
}
return err;
}
int aq_get_rxnfc_rule(struct aq_nic_s *aq_nic, struct ethtool_rxnfc *cmd)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct ethtool_rx_flow_spec *fsp =
(struct ethtool_rx_flow_spec *)&cmd->fs;
struct aq_rx_filter *rule = NULL;
struct hlist_node *aq_node2;
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node)
if (fsp->location <= rule->aq_fsp.location)
break;
if (unlikely(!rule || fsp->location != rule->aq_fsp.location))
return -EINVAL;
memcpy(fsp, &rule->aq_fsp, sizeof(*fsp));
return 0;
}
int aq_get_rxnfc_all_rules(struct aq_nic_s *aq_nic, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct hlist_node *aq_node2;
struct aq_rx_filter *rule;
int count = 0;
cmd->data = aq_get_rxnfc_count_all_rules(aq_nic);
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
if (unlikely(count == cmd->rule_cnt))
return -EMSGSIZE;
rule_locs[count++] = rule->aq_fsp.location;
}
cmd->rule_cnt = count;
return 0;
}
int aq_clear_rxnfc_all_rules(struct aq_nic_s *aq_nic)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct hlist_node *aq_node2;
struct aq_rx_filter *rule;
int err = 0;
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
err = aq_add_del_rule(aq_nic, rule, false);
if (err)
goto err_exit;
hlist_del(&rule->aq_node);
kfree(rule);
--rx_fltrs->active_filters;
}
err_exit:
return err;
}
int aq_reapply_rxnfc_all_rules(struct aq_nic_s *aq_nic)
{
struct aq_hw_rx_fltrs_s *rx_fltrs = aq_get_hw_rx_fltrs(aq_nic);
struct hlist_node *aq_node2;
struct aq_rx_filter *rule;
int err = 0;
hlist_for_each_entry_safe(rule, aq_node2,
&rx_fltrs->filter_list, aq_node) {
err = aq_add_del_rule(aq_nic, rule, true);
if (err)
goto err_exit;
}
err_exit:
return err;
}
int aq_filters_vlans_update(struct aq_nic_s *aq_nic)
{
const struct aq_hw_ops *aq_hw_ops = aq_nic->aq_hw_ops;
struct aq_hw_s *aq_hw = aq_nic->aq_hw;
int hweight = 0;
int err = 0;
if (unlikely(!aq_hw_ops->hw_filter_vlan_set))
return -EOPNOTSUPP;
if (unlikely(!aq_hw_ops->hw_filter_vlan_ctrl))
return -EOPNOTSUPP;
aq_fvlan_rebuild(aq_nic, aq_nic->active_vlans,
aq_nic->aq_hw_rx_fltrs.fl2.aq_vlans);
if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
hweight = bitmap_weight(aq_nic->active_vlans, VLAN_N_VID);
err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw, false);
if (err)
return err;
}
err = aq_hw_ops->hw_filter_vlan_set(aq_hw,
aq_nic->aq_hw_rx_fltrs.fl2.aq_vlans
);
if (err)
return err;
if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
if (hweight <= AQ_VLAN_MAX_FILTERS && hweight > 0) {
err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw,
!(aq_nic->packet_filter & IFF_PROMISC));
aq_nic->aq_nic_cfg.is_vlan_force_promisc = false;
} else {
aq_nic->aq_nic_cfg.is_vlan_force_promisc = true;
}
}
return err;
}
int aq_filters_vlan_offload_off(struct aq_nic_s *aq_nic)
{
const struct aq_hw_ops *aq_hw_ops = aq_nic->aq_hw_ops;
struct aq_hw_s *aq_hw = aq_nic->aq_hw;
int err = 0;
bitmap_zero(aq_nic->active_vlans, VLAN_N_VID);
aq_fvlan_rebuild(aq_nic, aq_nic->active_vlans,
aq_nic->aq_hw_rx_fltrs.fl2.aq_vlans);
if (unlikely(!aq_hw_ops->hw_filter_vlan_set))
return -EOPNOTSUPP;
if (unlikely(!aq_hw_ops->hw_filter_vlan_ctrl))
return -EOPNOTSUPP;
aq_nic->aq_nic_cfg.is_vlan_force_promisc = true;
err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw, false);
if (err)
return err;
err = aq_hw_ops->hw_filter_vlan_set(aq_hw,
aq_nic->aq_hw_rx_fltrs.fl2.aq_vlans
);
return err;
}
