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-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_filters.c168
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw.h11
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.h7
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c58
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h43
5 files changed, 284 insertions, 3 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_filters.c b/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
index 8cb4eaefd6e1..34e2a28d344a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
@@ -85,11 +85,46 @@ aq_rule_already_exists(struct aq_nic_s *aq_nic,
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)
+{
+ if (fsp->location < AQ_RX_FIRST_LOC_FL3L4 ||
+ fsp->location > AQ_RX_LAST_LOC_FL3L4) {
+ netdev_err(aq_nic->ndev,
+ "ethtool: location must be in range [%d, %d]",
+ AQ_RX_FIRST_LOC_FL3L4,
+ AQ_RX_LAST_LOC_FL3L4);
+ 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_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) {
err = -EOPNOTSUPP;
@@ -103,14 +138,16 @@ aq_check_filter(struct aq_nic_s *aq_nic,
case SCTP_V4_FLOW:
case IPV4_FLOW:
case IP_USER_FLOW:
- err = -EOPNOTSUPP;
+ 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:
- err = -EOPNOTSUPP;
+ rx_fltrs->fl3l4.is_ipv6 = true;
+ err = aq_check_approve_fl3l4(aq_nic, rx_fltrs, fsp);
break;
default:
netdev_err(aq_nic->ndev,
@@ -156,6 +193,11 @@ aq_rule_is_not_correct(struct aq_nic_s *aq_nic,
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) {
@@ -187,6 +229,125 @@ aq_check_rule(struct aq_nic_s *aq_nic,
return err;
}
+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)
{
@@ -207,7 +368,8 @@ static int aq_add_del_rule(struct aq_nic_s *aq_nic,
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
case IPV6_USER_FLOW:
- err = -EOPNOTSUPP;
+ aq_rx_fltr->type = aq_rx_filter_l3l4;
+ err = aq_add_del_fl3l4(aq_nic, aq_rx_fltr, add);
break;
default:
err = -EINVAL;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index a1e70da358ca..edc7d60a0e51 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -18,6 +18,10 @@
#include "aq_rss.h"
#include "hw_atl/hw_atl_utils.h"
+#define AQ_RX_FIRST_LOC_FL3L4 32U
+#define AQ_RX_LAST_LOC_FL3L4 39U
+#define AQ_RX_MAX_RXNFC_LOC AQ_RX_LAST_LOC_FL3L4
+
/* NIC H/W capabilities */
struct aq_hw_caps_s {
u64 hw_features;
@@ -130,6 +134,7 @@ struct aq_hw_s {
struct aq_ring_s;
struct aq_ring_param_s;
struct sk_buff;
+struct aq_rx_filter_l3l4;
struct aq_hw_ops {
@@ -183,6 +188,12 @@ struct aq_hw_ops {
int (*hw_packet_filter_set)(struct aq_hw_s *self,
unsigned int packet_filter);
+ int (*hw_filter_l3l4_set)(struct aq_hw_s *self,
+ struct aq_rx_filter_l3l4 *data);
+
+ int (*hw_filter_l3l4_clear)(struct aq_hw_s *self,
+ struct aq_rx_filter_l3l4 *data);
+
int (*hw_multicast_list_set)(struct aq_hw_s *self,
u8 ar_mac[AQ_HW_MULTICAST_ADDRESS_MAX]
[ETH_ALEN],
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index c4a20dca181a..d3a087ef4b9f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -61,9 +61,16 @@ struct aq_nic_cfg_s {
#define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \
((_TC_) * AQ_CFG_TCS_MAX + (_VEC_))
+struct aq_hw_rx_fl3l4 {
+ u8 active_ipv4;
+ u8 active_ipv6:2;
+ u8 is_ipv6;
+};
+
struct aq_hw_rx_fltrs_s {
struct hlist_head filter_list;
u16 active_filters;
+ struct aq_hw_rx_fl3l4 fl3l4;
};
struct aq_nic_s {
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index eba1eb78dd59..b4bfe667ef02 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -946,6 +946,63 @@ static int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
+static int hw_atl_b0_hw_fl3l4_clear(struct aq_hw_s *self,
+ struct aq_rx_filter_l3l4 *data)
+{
+ u8 location = data->location;
+
+ if (!data->is_ipv6) {
+ hw_atl_rpfl3l4_cmd_clear(self, location);
+ hw_atl_rpf_l4_spd_set(self, 0U, location);
+ hw_atl_rpf_l4_dpd_set(self, 0U, location);
+ hw_atl_rpfl3l4_ipv4_src_addr_clear(self, location);
+ hw_atl_rpfl3l4_ipv4_dest_addr_clear(self, location);
+ } else {
+ int i;
+
+ for (i = 0; i < HW_ATL_RX_CNT_REG_ADDR_IPV6; ++i) {
+ hw_atl_rpfl3l4_cmd_clear(self, location + i);
+ hw_atl_rpf_l4_spd_set(self, 0U, location + i);
+ hw_atl_rpf_l4_dpd_set(self, 0U, location + i);
+ }
+ hw_atl_rpfl3l4_ipv6_src_addr_clear(self, location);
+ hw_atl_rpfl3l4_ipv6_dest_addr_clear(self, location);
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl_b0_hw_fl3l4_set(struct aq_hw_s *self,
+ struct aq_rx_filter_l3l4 *data)
+{
+ u8 location = data->location;
+
+ hw_atl_b0_hw_fl3l4_clear(self, data);
+
+ if (data->cmd) {
+ if (!data->is_ipv6) {
+ hw_atl_rpfl3l4_ipv4_dest_addr_set(self,
+ location,
+ data->ip_dst[0]);
+ hw_atl_rpfl3l4_ipv4_src_addr_set(self,
+ location,
+ data->ip_src[0]);
+ } else {
+ hw_atl_rpfl3l4_ipv6_dest_addr_set(self,
+ location,
+ data->ip_dst);
+ hw_atl_rpfl3l4_ipv6_src_addr_set(self,
+ location,
+ data->ip_src);
+ }
+ }
+ hw_atl_rpf_l4_dpd_set(self, data->p_dst, location);
+ hw_atl_rpf_l4_spd_set(self, data->p_src, location);
+ hw_atl_rpfl3l4_cmd_set(self, location, data->cmd);
+
+ return aq_hw_err_from_flags(self);
+}
+
const struct aq_hw_ops hw_atl_ops_b0 = {
.hw_set_mac_address = hw_atl_b0_hw_mac_addr_set,
.hw_init = hw_atl_b0_hw_init,
@@ -970,6 +1027,7 @@ const struct aq_hw_ops hw_atl_ops_b0 = {
.hw_ring_rx_init = hw_atl_b0_hw_ring_rx_init,
.hw_ring_tx_init = hw_atl_b0_hw_ring_tx_init,
.hw_packet_filter_set = hw_atl_b0_hw_packet_filter_set,
+ .hw_filter_l3l4_set = hw_atl_b0_hw_fl3l4_set,
.hw_multicast_list_set = hw_atl_b0_hw_multicast_list_set,
.hw_interrupt_moderation_set = hw_atl_b0_hw_interrupt_moderation_set,
.hw_rss_set = hw_atl_b0_hw_rss_set,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
index 3613fca64b58..0da227fc9399 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
@@ -240,6 +240,49 @@ struct __packed offload_info {
u8 buf[0];
};
+enum hw_atl_rx_action_with_traffic {
+ HW_ATL_RX_DISCARD,
+ HW_ATL_RX_HOST,
+};
+
+struct aq_rx_filter_l3l4 {
+ u32 cmd;
+ u8 location;
+ u32 ip_dst[4];
+ u32 ip_src[4];
+ u16 p_dst;
+ u16 p_src;
+ u8 is_ipv6;
+};
+
+enum hw_atl_rx_protocol_value_l3l4 {
+ HW_ATL_RX_TCP,
+ HW_ATL_RX_UDP,
+ HW_ATL_RX_SCTP,
+ HW_ATL_RX_ICMP
+};
+
+enum hw_atl_rx_ctrl_registers_l3l4 {
+ HW_ATL_RX_ENABLE_MNGMNT_QUEUE_L3L4 = BIT(22),
+ HW_ATL_RX_ENABLE_QUEUE_L3L4 = BIT(23),
+ HW_ATL_RX_ENABLE_ARP_FLTR_L3 = BIT(24),
+ HW_ATL_RX_ENABLE_CMP_PROT_L4 = BIT(25),
+ HW_ATL_RX_ENABLE_CMP_DEST_PORT_L4 = BIT(26),
+ HW_ATL_RX_ENABLE_CMP_SRC_PORT_L4 = BIT(27),
+ HW_ATL_RX_ENABLE_CMP_DEST_ADDR_L3 = BIT(28),
+ HW_ATL_RX_ENABLE_CMP_SRC_ADDR_L3 = BIT(29),
+ HW_ATL_RX_ENABLE_L3_IPV6 = BIT(30),
+ HW_ATL_RX_ENABLE_FLTR_L3L4 = BIT(31)
+};
+
+#define HW_ATL_RX_QUEUE_FL3L4_SHIFT 8U
+#define HW_ATL_RX_ACTION_FL3F4_SHIFT 16U
+
+#define HW_ATL_RX_CNT_REG_ADDR_IPV6 4U
+
+#define HW_ATL_GET_REG_LOCATION_FL3L4(location) \
+ ((location) - AQ_RX_FIRST_LOC_FL3L4)
+
#define HAL_ATLANTIC_UTILS_CHIP_MIPS 0x00000001U
#define HAL_ATLANTIC_UTILS_CHIP_TPO2 0x00000002U
#define HAL_ATLANTIC_UTILS_CHIP_RPF2 0x00000004U
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.