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Merge branch 'aquantia-fixes'

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Igor Russkikh says:

====================
net: aquantia: 2018-11 bugfixes

The patchset fixes a number of bugs found in various areas after
driver validation.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-11-09 15:38:11 -08:00
commit dd63c3e02b
11 changed files with 145 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
View File

@ -407,13 +407,13 @@ static void aq_ethtool_get_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
u32 fc = aq_nic->aq_nic_cfg.flow_control;
pause->autoneg = 0;
if (aq_nic->aq_hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX)
pause->rx_pause = 1;
if (aq_nic->aq_hw->aq_nic_cfg->flow_control & AQ_NIC_FC_TX)
pause->tx_pause = 1;
pause->rx_pause = !!(fc & AQ_NIC_FC_RX);
pause->tx_pause = !!(fc & AQ_NIC_FC_TX);
}
static int aq_ethtool_set_pauseparam(struct net_device *ndev,

6
drivers/net/ethernet/aquantia/atlantic/aq_hw.h
View File

@ -204,6 +204,10 @@ struct aq_hw_ops {
int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
int (*hw_set_offload)(struct aq_hw_s *self,
struct aq_nic_cfg_s *aq_nic_cfg);
int (*hw_set_fc)(struct aq_hw_s *self, u32 fc, u32 tc);
};
struct aq_fw_ops {
@ -226,6 +230,8 @@ struct aq_fw_ops {
int (*update_stats)(struct aq_hw_s *self);
u32 (*get_flow_control)(struct aq_hw_s *self, u32 *fcmode);
int (*set_flow_control)(struct aq_hw_s *self);
int (*set_power)(struct aq_hw_s *self, unsigned int power_state,

10
drivers/net/ethernet/aquantia/atlantic/aq_main.c
View File

@ -99,8 +99,11 @@ static int aq_ndev_set_features(struct net_device *ndev,
struct aq_nic_s *aq_nic = netdev_priv(ndev);
struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
bool is_lro = false;
int err = 0;
if (aq_cfg->hw_features & NETIF_F_LRO) {
aq_cfg->features = features;
if (aq_cfg->aq_hw_caps->hw_features & NETIF_F_LRO) {
is_lro = features & NETIF_F_LRO;
if (aq_cfg->is_lro != is_lro) {
@ -112,8 +115,11 @@ static int aq_ndev_set_features(struct net_device *ndev,
}
}
}
if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM)
err = aq_nic->aq_hw_ops->hw_set_offload(aq_nic->aq_hw,
aq_cfg);
return 0;
return err;
}
static int aq_ndev_set_mac_address(struct net_device *ndev, void *addr)

18
drivers/net/ethernet/aquantia/atlantic/aq_nic.c
View File

@ -118,12 +118,13 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
}
cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
cfg->hw_features = cfg->aq_hw_caps->hw_features;
cfg->features = cfg->aq_hw_caps->hw_features;
}
static int aq_nic_update_link_status(struct aq_nic_s *self)
{
int err = self->aq_fw_ops->update_link_status(self->aq_hw);
u32 fc = 0;
if (err)
return err;
@ -133,6 +134,15 @@ static int aq_nic_update_link_status(struct aq_nic_s *self)
AQ_CFG_DRV_NAME, self->link_status.mbps,
self->aq_hw->aq_link_status.mbps);
aq_nic_update_interrupt_moderation_settings(self);
/* Driver has to update flow control settings on RX block
* on any link event.
* We should query FW whether it negotiated FC.
*/
if (self->aq_fw_ops->get_flow_control)
self->aq_fw_ops->get_flow_control(self->aq_hw, &fc);
if (self->aq_hw_ops->hw_set_fc)
self->aq_hw_ops->hw_set_fc(self->aq_hw, fc, 0);
}
self->link_status = self->aq_hw->aq_link_status;
@ -590,7 +600,7 @@ int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
}
}
if (i > 0 && i < AQ_HW_MULTICAST_ADDRESS_MAX) {
if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) {
packet_filter |= IFF_MULTICAST;
self->mc_list.count = i;
self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
@ -772,7 +782,9 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Pause);
if (self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX)
/* Asym is when either RX or TX, but not both */
if (!!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX) ^
!!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX))
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Asym_Pause);

2
drivers/net/ethernet/aquantia/atlantic/aq_nic.h
View File

@ -23,7 +23,7 @@ struct aq_vec_s;
struct aq_nic_cfg_s {
const struct aq_hw_caps_s *aq_hw_caps;
u64 hw_features;
u64 features;
u32 rxds; /* rx ring size, descriptors # */
u32 txds; /* tx ring size, descriptors # */
u32 vecs; /* vecs==allocated irqs */

35
drivers/net/ethernet/aquantia/atlantic/aq_ring.c
View File

@ -172,6 +172,27 @@ bool aq_ring_tx_clean(struct aq_ring_s *self)
return !!budget;
}
static void aq_rx_checksum(struct aq_ring_s *self,
struct aq_ring_buff_s *buff,
struct sk_buff *skb)
{
if (!(self->aq_nic->ndev->features & NETIF_F_RXCSUM))
return;
if (unlikely(buff->is_cso_err)) {
++self->stats.rx.errors;
skb->ip_summed = CHECKSUM_NONE;
return;
}
if (buff->is_ip_cso) {
__skb_incr_checksum_unnecessary(skb);
if (buff->is_udp_cso || buff->is_tcp_cso)
__skb_incr_checksum_unnecessary(skb);
} else {
skb->ip_summed = CHECKSUM_NONE;
}
}
#define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
int aq_ring_rx_clean(struct aq_ring_s *self,
struct napi_struct *napi,
@ -267,18 +288,8 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
}
skb->protocol = eth_type_trans(skb, ndev);
if (unlikely(buff->is_cso_err)) {
++self->stats.rx.errors;
skb->ip_summed = CHECKSUM_NONE;
} else {
if (buff->is_ip_cso) {
__skb_incr_checksum_unnecessary(skb);
if (buff->is_udp_cso || buff->is_tcp_cso)
__skb_incr_checksum_unnecessary(skb);
} else {
skb->ip_summed = CHECKSUM_NONE;
}
}
aq_rx_checksum(self, buff, skb);
skb_set_hash(skb, buff->rss_hash,
buff->is_hash_l4 ? PKT_HASH_TYPE_L4 :

61
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
View File

@ -100,12 +100,17 @@ static int hw_atl_b0_hw_reset(struct aq_hw_s *self)
return err;
}
static int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc)
{
hw_atl_rpb_rx_xoff_en_per_tc_set(self, !!(fc & AQ_NIC_FC_RX), tc);
return 0;
}
static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
{
u32 tc = 0U;
u32 buff_size = 0U;
unsigned int i_priority = 0U;
bool is_rx_flow_control = false;
/* TPS Descriptor rate init */
hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
@ -138,7 +143,6 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
/* QoS Rx buf size per TC */
tc = 0;
is_rx_flow_control = (AQ_NIC_FC_RX & self->aq_nic_cfg->flow_control);
buff_size = HW_ATL_B0_RXBUF_MAX;
hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, buff_size, tc);
@ -150,7 +154,8 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
(buff_size *
(1024U / 32U) * 50U) /
100U, tc);
hw_atl_rpb_rx_xoff_en_per_tc_set(self, is_rx_flow_control ? 1U : 0U, tc);
hw_atl_b0_set_fc(self, self->aq_nic_cfg->flow_control, tc);
/* QoS 802.1p priority -> TC mapping */
for (i_priority = 8U; i_priority--;)
@ -229,8 +234,10 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
/* RX checksums offloads*/
hw_atl_rpo_ipv4header_crc_offload_en_set(self, 1);
hw_atl_rpo_tcp_udp_crc_offload_en_set(self, 1);
hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features &
NETIF_F_RXCSUM));
hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features &
NETIF_F_RXCSUM));
/* LSO offloads*/
hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
@ -655,9 +662,9 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
struct hw_atl_rxd_wb_s *rxd_wb = (struct hw_atl_rxd_wb_s *)
&ring->dx_ring[ring->hw_head * HW_ATL_B0_RXD_SIZE];
unsigned int is_err = 1U;
unsigned int is_rx_check_sum_enabled = 0U;
unsigned int pkt_type = 0U;
u8 rx_stat = 0U;
if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */
break;
@ -665,35 +672,35 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->hw_head];
is_err = (0x0000003CU & rxd_wb->status);
rx_stat = (0x0000003CU & rxd_wb->status) >> 2;
is_rx_check_sum_enabled = (rxd_wb->type) & (0x3U << 19);
is_err &= ~0x20U; /* exclude validity bit */
pkt_type = 0xFFU & (rxd_wb->type >> 4);
if (is_rx_check_sum_enabled) {
if (0x0U == (pkt_type & 0x3U))
buff->is_ip_cso = (is_err & 0x08U) ? 0U : 1U;
if (is_rx_check_sum_enabled & BIT(0) &&
(0x0U == (pkt_type & 0x3U)))
buff->is_ip_cso = (rx_stat & BIT(1)) ? 0U : 1U;
if (is_rx_check_sum_enabled & BIT(1)) {
if (0x4U == (pkt_type & 0x1CU))
buff->is_udp_cso = buff->is_cso_err ? 0U : 1U;
buff->is_udp_cso = (rx_stat & BIT(2)) ? 0U :
!!(rx_stat & BIT(3));
else if (0x0U == (pkt_type & 0x1CU))
buff->is_tcp_cso = buff->is_cso_err ? 0U : 1U;
/* Checksum offload workaround for small packets */
if (rxd_wb->pkt_len <= 60) {
buff->is_ip_cso = 0U;
buff->is_cso_err = 0U;
}
buff->is_tcp_cso = (rx_stat & BIT(2)) ? 0U :
!!(rx_stat & BIT(3));
}
buff->is_cso_err = !!(rx_stat & 0x6);
/* Checksum offload workaround for small packets */
if (unlikely(rxd_wb->pkt_len <= 60)) {
buff->is_ip_cso = 0U;
buff->is_cso_err = 0U;
}
is_err &= ~0x18U;
dma_unmap_page(ndev, buff->pa, buff->len, DMA_FROM_DEVICE);
if (is_err || rxd_wb->type & 0x1000U) {
/* status error or DMA error */
if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
/* MAC error or DMA error */
buff->is_error = 1U;
} else {
if (self->aq_nic_cfg->is_rss) {
@ -915,6 +922,12 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self)
static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
{
hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
/* Invalidate Descriptor Cache to prevent writing to the cached
* descriptors and to the data pointer of those descriptors
*/
hw_atl_rdm_rx_dma_desc_cache_init_set(self, 1);
return aq_hw_err_from_flags(self);
}
@ -963,4 +976,6 @@ const struct aq_hw_ops hw_atl_ops_b0 = {
.hw_get_regs = hw_atl_utils_hw_get_regs,
.hw_get_hw_stats = hw_atl_utils_get_hw_stats,
.hw_get_fw_version = hw_atl_utils_get_fw_version,
.hw_set_offload = hw_atl_b0_hw_offload_set,
.hw_set_fc = hw_atl_b0_set_fc,
};

8
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
View File

@ -619,6 +619,14 @@ void hw_atl_rpb_rx_flow_ctl_mode_set(struct aq_hw_s *aq_hw, u32 rx_flow_ctl_mode
HW_ATL_RPB_RX_FC_MODE_SHIFT, rx_flow_ctl_mode);
}
void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init)
{
aq_hw_write_reg_bit(aq_hw, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR,
HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK,
HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT,
init);
}
void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw,
u32 rx_pkt_buff_size_per_tc, u32 buffer)
{

3
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
View File

@ -325,6 +325,9 @@ void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw,
u32 rx_pkt_buff_size_per_tc,
u32 buffer);
/* set rdm rx dma descriptor cache init */
void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init);
/* set rx xoff enable (per tc) */
void hw_atl_rpb_rx_xoff_en_per_tc_set(struct aq_hw_s *aq_hw, u32 rx_xoff_en_per_tc,
u32 buffer);

18
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
View File

@ -293,6 +293,24 @@
/* default value of bitfield desc{d}_reset */
#define HW_ATL_RDM_DESCDRESET_DEFAULT 0x0
/* rdm_desc_init_i bitfield definitions
* preprocessor definitions for the bitfield rdm_desc_init_i.
* port="pif_rdm_desc_init_i"
*/
/* register address for bitfield rdm_desc_init_i */
#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR 0x00005a00
/* bitmask for bitfield rdm_desc_init_i */
#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK 0xffffffff
/* inverted bitmask for bitfield rdm_desc_init_i */
#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSKN 0x00000000
/* lower bit position of bitfield rdm_desc_init_i */
#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT 0
/* width of bitfield rdm_desc_init_i */
#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_WIDTH 32
/* default value of bitfield rdm_desc_init_i */
#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_DEFAULT 0x0
/* rx int_desc_wrb_en bitfield definitions
* preprocessor definitions for the bitfield "int_desc_wrb_en".
* port="pif_rdm_int_desc_wrb_en_i"

21
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
View File

@ -30,6 +30,8 @@
#define HW_ATL_FW2X_MPI_STATE_ADDR 0x370
#define HW_ATL_FW2X_MPI_STATE2_ADDR 0x374
#define HW_ATL_FW2X_CAP_PAUSE BIT(CAPS_HI_PAUSE)
#define HW_ATL_FW2X_CAP_ASYM_PAUSE BIT(CAPS_HI_ASYMMETRIC_PAUSE)
#define HW_ATL_FW2X_CAP_SLEEP_PROXY BIT(CAPS_HI_SLEEP_PROXY)
#define HW_ATL_FW2X_CAP_WOL BIT(CAPS_HI_WOL)
@ -451,6 +453,24 @@ static int aq_fw2x_set_flow_control(struct aq_hw_s *self)
return 0;
}
static u32 aq_fw2x_get_flow_control(struct aq_hw_s *self, u32 *fcmode)
{
u32 mpi_state = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE2_ADDR);
if (mpi_state & HW_ATL_FW2X_CAP_PAUSE)
if (mpi_state & HW_ATL_FW2X_CAP_ASYM_PAUSE)
*fcmode = AQ_NIC_FC_RX;
else
*fcmode = AQ_NIC_FC_RX | AQ_NIC_FC_TX;
else
if (mpi_state & HW_ATL_FW2X_CAP_ASYM_PAUSE)
*fcmode = AQ_NIC_FC_TX;
else
*fcmode = 0;
return 0;
}
const struct aq_fw_ops aq_fw_2x_ops = {
.init = aq_fw2x_init,
.deinit = aq_fw2x_deinit,
@ -465,4 +485,5 @@ const struct aq_fw_ops aq_fw_2x_ops = {
.set_eee_rate = aq_fw2x_set_eee_rate,
.get_eee_rate = aq_fw2x_get_eee_rate,
.set_flow_control = aq_fw2x_set_flow_control,
.get_flow_control = aq_fw2x_get_flow_control
};