openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
linux/drivers/net/ethernet/qlogic/qed/qed_l2.c

1709 lines
45 KiB
C
Raw Blame History

/* QLogic qed NIC Driver
* Copyright (c) 2015 QLogic Corporation
*
* This software is available under the terms of the GNU General Public License
* (GPL) Version 2, available from the file COPYING in the main directory of
* this source tree.
*/
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/param.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/etherdevice.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/workqueue.h>
#include <linux/bitops.h>
#include <linux/bug.h>
#include "qed.h"
#include <linux/qed/qed_chain.h>
#include "qed_cxt.h"
#include "qed_dev_api.h"
#include <linux/qed/qed_eth_if.h>
#include "qed_hsi.h"
#include "qed_hw.h"
#include "qed_int.h"
#include "qed_reg_addr.h"
#include "qed_sp.h"
enum qed_rss_caps {
QED_RSS_IPV4 = 0x1,
QED_RSS_IPV6 = 0x2,
QED_RSS_IPV4_TCP = 0x4,
QED_RSS_IPV6_TCP = 0x8,
QED_RSS_IPV4_UDP = 0x10,
QED_RSS_IPV6_UDP = 0x20,
};
/* Should be the same as ETH_RSS_IND_TABLE_ENTRIES_NUM */
#define QED_RSS_IND_TABLE_SIZE 128
#define QED_RSS_KEY_SIZE 10 /* size in 32b chunks */
struct qed_rss_params {
u8 update_rss_config;
u8 rss_enable;
u8 rss_eng_id;
u8 update_rss_capabilities;
u8 update_rss_ind_table;
u8 update_rss_key;
u8 rss_caps;
u8 rss_table_size_log;
u16 rss_ind_table[QED_RSS_IND_TABLE_SIZE];
u32 rss_key[QED_RSS_KEY_SIZE];
};
enum qed_filter_opcode {
QED_FILTER_ADD,
QED_FILTER_REMOVE,
QED_FILTER_MOVE,
QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */
QED_FILTER_FLUSH, /* Removes all filters */
};
enum qed_filter_ucast_type {
QED_FILTER_MAC,
QED_FILTER_VLAN,
QED_FILTER_MAC_VLAN,
QED_FILTER_INNER_MAC,
QED_FILTER_INNER_VLAN,
QED_FILTER_INNER_PAIR,
QED_FILTER_INNER_MAC_VNI_PAIR,
QED_FILTER_MAC_VNI_PAIR,
QED_FILTER_VNI,
};
struct qed_filter_ucast {
enum qed_filter_opcode opcode;
enum qed_filter_ucast_type type;
u8 is_rx_filter;
u8 is_tx_filter;
u8 vport_to_add_to;
u8 vport_to_remove_from;
unsigned char mac[ETH_ALEN];
u8 assert_on_error;
u16 vlan;
u32 vni;
};
struct qed_filter_mcast {
/* MOVE is not supported for multicast */
enum qed_filter_opcode opcode;
u8 vport_to_add_to;
u8 vport_to_remove_from;
u8 num_mc_addrs;
#define QED_MAX_MC_ADDRS 64
unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];
};
struct qed_filter_accept_flags {
u8 update_rx_mode_config;
u8 update_tx_mode_config;
u8 rx_accept_filter;
u8 tx_accept_filter;
#define QED_ACCEPT_NONE 0x01
#define QED_ACCEPT_UCAST_MATCHED 0x02
#define QED_ACCEPT_UCAST_UNMATCHED 0x04
#define QED_ACCEPT_MCAST_MATCHED 0x08
#define QED_ACCEPT_MCAST_UNMATCHED 0x10
#define QED_ACCEPT_BCAST 0x20
};
struct qed_sp_vport_update_params {
u16 opaque_fid;
u8 vport_id;
u8 update_vport_active_rx_flg;
u8 vport_active_rx_flg;
u8 update_vport_active_tx_flg;
u8 vport_active_tx_flg;
u8 update_approx_mcast_flg;
u8 update_accept_any_vlan_flg;
u8 accept_any_vlan;
unsigned long bins[8];
struct qed_rss_params *rss_params;
struct qed_filter_accept_flags accept_flags;
};
#define QED_MAX_SGES_NUM 16
#define CRC32_POLY 0x1edc6f41
static int qed_sp_vport_start(struct qed_hwfn *p_hwfn,
u32 concrete_fid,
u16 opaque_fid,
u8 vport_id,
u16 mtu,
u8 drop_ttl0_flg,
u8 inner_vlan_removal_en_flg)
{
struct vport_start_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
int rc = -EINVAL;
u16 rx_mode = 0;
u8 abs_vport_id = 0;
rc = qed_fw_vport(p_hwfn, vport_id, &abs_vport_id);
if (rc != 0)
return rc;
memset(&init_data, 0, sizeof(init_data));
init_data.cid = qed_spq_get_cid(p_hwfn);
init_data.opaque_fid = opaque_fid;
init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_VPORT_START,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.vport_start;
p_ramrod->vport_id = abs_vport_id;
p_ramrod->mtu = cpu_to_le16(mtu);
p_ramrod->inner_vlan_removal_en = inner_vlan_removal_en_flg;
p_ramrod->drop_ttl0_en = drop_ttl0_flg;
SET_FIELD(rx_mode, ETH_VPORT_RX_MODE_UCAST_DROP_ALL, 1);
SET_FIELD(rx_mode, ETH_VPORT_RX_MODE_MCAST_DROP_ALL, 1);
p_ramrod->rx_mode.state = cpu_to_le16(rx_mode);
/* TPA related fields */
memset(&p_ramrod->tpa_param, 0,
sizeof(struct eth_vport_tpa_param));
/* Software Function ID in hwfn (PFs are 0 - 15, VFs are 16 - 135) */
p_ramrod->sw_fid = qed_concrete_to_sw_fid(p_hwfn->cdev,
concrete_fid);
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int
qed_sp_vport_update_rss(struct qed_hwfn *p_hwfn,
struct vport_update_ramrod_data *p_ramrod,
struct qed_rss_params *p_params)
{
struct eth_vport_rss_config *rss = &p_ramrod->rss_config;
u16 abs_l2_queue = 0, capabilities = 0;
int rc = 0, i;
if (!p_params) {
p_ramrod->common.update_rss_flg = 0;
return rc;
}
BUILD_BUG_ON(QED_RSS_IND_TABLE_SIZE !=
ETH_RSS_IND_TABLE_ENTRIES_NUM);
rc = qed_fw_rss_eng(p_hwfn, p_params->rss_eng_id, &rss->rss_id);
if (rc)
return rc;
p_ramrod->common.update_rss_flg = p_params->update_rss_config;
rss->update_rss_capabilities = p_params->update_rss_capabilities;
rss->update_rss_ind_table = p_params->update_rss_ind_table;
rss->update_rss_key = p_params->update_rss_key;
rss->rss_mode = p_params->rss_enable ?
ETH_VPORT_RSS_MODE_REGULAR :
ETH_VPORT_RSS_MODE_DISABLED;
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV4_CAPABILITY,
!!(p_params->rss_caps & QED_RSS_IPV4));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV6_CAPABILITY,
!!(p_params->rss_caps & QED_RSS_IPV6));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV4_TCP_CAPABILITY,
!!(p_params->rss_caps & QED_RSS_IPV4_TCP));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV6_TCP_CAPABILITY,
!!(p_params->rss_caps & QED_RSS_IPV6_TCP));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV4_UDP_CAPABILITY,
!!(p_params->rss_caps & QED_RSS_IPV4_UDP));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV6_UDP_CAPABILITY,
!!(p_params->rss_caps & QED_RSS_IPV6_UDP));
rss->tbl_size = p_params->rss_table_size_log;
rss->capabilities = cpu_to_le16(capabilities);
DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
"update rss flag %d, rss_mode = %d, update_caps = %d, capabilities = %d, update_ind = %d, update_rss_key = %d\n",
p_ramrod->common.update_rss_flg,
rss->rss_mode, rss->update_rss_capabilities,
capabilities, rss->update_rss_ind_table,
rss->update_rss_key);
for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) {
rc = qed_fw_l2_queue(p_hwfn,
(u8)p_params->rss_ind_table[i],
&abs_l2_queue);
if (rc)
return rc;
rss->indirection_table[i] = cpu_to_le16(abs_l2_queue);
DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, "i= %d, queue = %d\n",
i, rss->indirection_table[i]);
}
for (i = 0; i < 10; i++)
rss->rss_key[i] = cpu_to_le32(p_params->rss_key[i]);
return rc;
}
static void
qed_sp_update_accept_mode(struct qed_hwfn *p_hwfn,
struct vport_update_ramrod_data *p_ramrod,
struct qed_filter_accept_flags accept_flags)
{
p_ramrod->common.update_rx_mode_flg =
accept_flags.update_rx_mode_config;
p_ramrod->common.update_tx_mode_flg =
accept_flags.update_tx_mode_config;
/* Set Rx mode accept flags */
if (p_ramrod->common.update_rx_mode_flg) {
u8 accept_filter = accept_flags.rx_accept_filter;
u16 state = 0;
SET_FIELD(state, ETH_VPORT_RX_MODE_UCAST_DROP_ALL,
!(!!(accept_filter & QED_ACCEPT_UCAST_MATCHED) ||
!!(accept_filter & QED_ACCEPT_UCAST_UNMATCHED)));
SET_FIELD(state, ETH_VPORT_RX_MODE_UCAST_ACCEPT_UNMATCHED,
!!(accept_filter & QED_ACCEPT_UCAST_UNMATCHED));
SET_FIELD(state, ETH_VPORT_RX_MODE_MCAST_DROP_ALL,
!(!!(accept_filter & QED_ACCEPT_MCAST_MATCHED) ||
!!(accept_filter & QED_ACCEPT_MCAST_UNMATCHED)));
SET_FIELD(state, ETH_VPORT_RX_MODE_MCAST_ACCEPT_ALL,
(!!(accept_filter & QED_ACCEPT_MCAST_MATCHED) &&
!!(accept_filter & QED_ACCEPT_MCAST_UNMATCHED)));
SET_FIELD(state, ETH_VPORT_RX_MODE_BCAST_ACCEPT_ALL,
!!(accept_filter & QED_ACCEPT_BCAST));
p_ramrod->rx_mode.state = cpu_to_le16(state);
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"p_ramrod->rx_mode.state = 0x%x\n", state);
}
/* Set Tx mode accept flags */
if (p_ramrod->common.update_tx_mode_flg) {
u8 accept_filter = accept_flags.tx_accept_filter;
u16 state = 0;
SET_FIELD(state, ETH_VPORT_TX_MODE_UCAST_DROP_ALL,
!!(accept_filter & QED_ACCEPT_NONE));
SET_FIELD(state, ETH_VPORT_TX_MODE_UCAST_ACCEPT_ALL,
(!!(accept_filter & QED_ACCEPT_UCAST_MATCHED) &&
!!(accept_filter & QED_ACCEPT_UCAST_UNMATCHED)));
SET_FIELD(state, ETH_VPORT_TX_MODE_MCAST_DROP_ALL,
!!(accept_filter & QED_ACCEPT_NONE));
SET_FIELD(state, ETH_VPORT_TX_MODE_MCAST_ACCEPT_ALL,
(!!(accept_filter & QED_ACCEPT_MCAST_MATCHED) &&
!!(accept_filter & QED_ACCEPT_MCAST_UNMATCHED)));
SET_FIELD(state, ETH_VPORT_TX_MODE_BCAST_ACCEPT_ALL,
!!(accept_filter & QED_ACCEPT_BCAST));
p_ramrod->tx_mode.state = cpu_to_le16(state);
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"p_ramrod->tx_mode.state = 0x%x\n", state);
}
}
static void
qed_sp_update_mcast_bin(struct qed_hwfn *p_hwfn,
struct vport_update_ramrod_data *p_ramrod,
struct qed_sp_vport_update_params *p_params)
{
int i;
memset(&p_ramrod->approx_mcast.bins, 0,
sizeof(p_ramrod->approx_mcast.bins));
if (p_params->update_approx_mcast_flg) {
p_ramrod->common.update_approx_mcast_flg = 1;
for (i = 0; i < ETH_MULTICAST_MAC_BINS_IN_REGS; i++) {
u32 *p_bins = (u32 *)p_params->bins;
__le32 val = cpu_to_le32(p_bins[i]);
p_ramrod->approx_mcast.bins[i] = val;
}
}
}
static int
qed_sp_vport_update(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_update_params *p_params,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
struct qed_rss_params *p_rss_params = p_params->rss_params;
struct vport_update_ramrod_data_cmn *p_cmn;
struct qed_sp_init_data init_data;
struct vport_update_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
u8 abs_vport_id = 0;
int rc = -EINVAL;
rc = qed_fw_vport(p_hwfn, p_params->vport_id, &abs_vport_id);
if (rc != 0)
return rc;
memset(&init_data, 0, sizeof(init_data));
init_data.cid = qed_spq_get_cid(p_hwfn);
init_data.opaque_fid = p_params->opaque_fid;
init_data.comp_mode = comp_mode;
init_data.p_comp_data = p_comp_data;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_VPORT_UPDATE,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
/* Copy input params to ramrod according to FW struct */
p_ramrod = &p_ent->ramrod.vport_update;
p_cmn = &p_ramrod->common;
p_cmn->vport_id = abs_vport_id;
p_cmn->rx_active_flg = p_params->vport_active_rx_flg;
p_cmn->update_rx_active_flg = p_params->update_vport_active_rx_flg;
p_cmn->tx_active_flg = p_params->vport_active_tx_flg;
p_cmn->update_tx_active_flg = p_params->update_vport_active_tx_flg;
p_cmn->accept_any_vlan = p_params->accept_any_vlan;
p_cmn->update_accept_any_vlan_flg =
p_params->update_accept_any_vlan_flg;
rc = qed_sp_vport_update_rss(p_hwfn, p_ramrod, p_rss_params);
if (rc) {
/* Return spq entry which is taken in qed_sp_init_request()*/
qed_spq_return_entry(p_hwfn, p_ent);
return rc;
}
/* Update mcast bins for VFs, PF doesn't use this functionality */
qed_sp_update_mcast_bin(p_hwfn, p_ramrod, p_params);
qed_sp_update_accept_mode(p_hwfn, p_ramrod, p_params->accept_flags);
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int qed_sp_vport_stop(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
u8 vport_id)
{
struct vport_stop_ramrod_data *p_ramrod;
struct qed_sp_init_data init_data;
struct qed_spq_entry *p_ent;
u8 abs_vport_id = 0;
int rc;
rc = qed_fw_vport(p_hwfn, vport_id, &abs_vport_id);
if (rc != 0)
return rc;
memset(&init_data, 0, sizeof(init_data));
init_data.cid = qed_spq_get_cid(p_hwfn);
init_data.opaque_fid = opaque_fid;
init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_VPORT_STOP,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.vport_stop;
p_ramrod->vport_id = abs_vport_id;
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int qed_filter_accept_cmd(struct qed_dev *cdev,
u8 vport,
struct qed_filter_accept_flags accept_flags,
u8 update_accept_any_vlan,
u8 accept_any_vlan,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
struct qed_sp_vport_update_params vport_update_params;
int i, rc;
/* Prepare and send the vport rx_mode change */
memset(&vport_update_params, 0, sizeof(vport_update_params));
vport_update_params.vport_id = vport;
vport_update_params.accept_flags = accept_flags;
vport_update_params.update_accept_any_vlan_flg = update_accept_any_vlan;
vport_update_params.accept_any_vlan = accept_any_vlan;
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
vport_update_params.opaque_fid = p_hwfn->hw_info.opaque_fid;
rc = qed_sp_vport_update(p_hwfn, &vport_update_params,
comp_mode, p_comp_data);
if (rc != 0) {
DP_ERR(cdev, "Update rx_mode failed %d\n", rc);
return rc;
}
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"Accept filter configured, flags = [Rx]%x [Tx]%x\n",
accept_flags.rx_accept_filter,
accept_flags.tx_accept_filter);
if (update_accept_any_vlan)
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"accept_any_vlan=%d configured\n",
accept_any_vlan);
}
return 0;
}
static int qed_sp_release_queue_cid(
struct qed_hwfn *p_hwfn,
struct qed_hw_cid_data *p_cid_data)
{
if (!p_cid_data->b_cid_allocated)
return 0;
qed_cxt_release_cid(p_hwfn, p_cid_data->cid);
p_cid_data->b_cid_allocated = false;
return 0;
}
static int
qed_sp_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
u32 cid,
struct qed_queue_start_common_params *params,
u8 stats_id,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr,
u16 cqe_pbl_size)
{
struct rx_queue_start_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
struct qed_hw_cid_data *p_rx_cid;
u16 abs_rx_q_id = 0;
u8 abs_vport_id = 0;
int rc = -EINVAL;
/* Store information for the stop */
p_rx_cid = &p_hwfn->p_rx_cids[params->queue_id];
p_rx_cid->cid = cid;
p_rx_cid->opaque_fid = opaque_fid;
p_rx_cid->vport_id = params->vport_id;
rc = qed_fw_vport(p_hwfn, params->vport_id, &abs_vport_id);
if (rc != 0)
return rc;
rc = qed_fw_l2_queue(p_hwfn, params->queue_id, &abs_rx_q_id);
if (rc != 0)
return rc;
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"opaque_fid=0x%x, cid=0x%x, rx_qid=0x%x, vport_id=0x%x, sb_id=0x%x\n",
opaque_fid, cid, params->queue_id, params->vport_id,
params->sb);
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = cid;
init_data.opaque_fid = opaque_fid;
init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_RX_QUEUE_START,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.rx_queue_start;
p_ramrod->sb_id = cpu_to_le16(params->sb);
p_ramrod->sb_index = params->sb_idx;
p_ramrod->vport_id = abs_vport_id;
p_ramrod->stats_counter_id = stats_id;
p_ramrod->rx_queue_id = cpu_to_le16(abs_rx_q_id);
p_ramrod->complete_cqe_flg = 0;
p_ramrod->complete_event_flg = 1;
p_ramrod->bd_max_bytes = cpu_to_le16(bd_max_bytes);
DMA_REGPAIR_LE(p_ramrod->bd_base, bd_chain_phys_addr);
p_ramrod->num_of_pbl_pages = cpu_to_le16(cqe_pbl_size);
DMA_REGPAIR_LE(p_ramrod->cqe_pbl_addr, cqe_pbl_addr);
rc = qed_spq_post(p_hwfn, p_ent, NULL);
return rc;
}
static int
qed_sp_eth_rx_queue_start(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_queue_start_common_params *params,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr,
u16 cqe_pbl_size,
void __iomem **pp_prod)
{
struct qed_hw_cid_data *p_rx_cid;
u64 init_prod_val = 0;
u16 abs_l2_queue = 0;
u8 abs_stats_id = 0;
int rc;
rc = qed_fw_l2_queue(p_hwfn, params->queue_id, &abs_l2_queue);
if (rc != 0)
return rc;
rc = qed_fw_vport(p_hwfn, params->vport_id, &abs_stats_id);
if (rc != 0)
return rc;
*pp_prod = (u8 __iomem *)p_hwfn->regview +
GTT_BAR0_MAP_REG_MSDM_RAM +
MSTORM_PRODS_OFFSET(abs_l2_queue);
/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u64),
(u32 *)(&init_prod_val));
/* Allocate a CID for the queue */
p_rx_cid = &p_hwfn->p_rx_cids[params->queue_id];
rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_ETH,
&p_rx_cid->cid);
if (rc) {
DP_NOTICE(p_hwfn, "Failed to acquire cid\n");
return rc;
}
p_rx_cid->b_cid_allocated = true;
rc = qed_sp_eth_rxq_start_ramrod(p_hwfn,
opaque_fid,
p_rx_cid->cid,
params,
abs_stats_id,
bd_max_bytes,
bd_chain_phys_addr,
cqe_pbl_addr,
cqe_pbl_size);
if (rc != 0)
qed_sp_release_queue_cid(p_hwfn, p_rx_cid);
return rc;
}
static int qed_sp_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,
u16 rx_queue_id,
bool eq_completion_only,
bool cqe_completion)
{
struct qed_hw_cid_data *p_rx_cid = &p_hwfn->p_rx_cids[rx_queue_id];
struct rx_queue_stop_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
u16 abs_rx_q_id = 0;
int rc = -EINVAL;
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = p_rx_cid->cid;
init_data.opaque_fid = p_rx_cid->opaque_fid;
init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_RX_QUEUE_STOP,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.rx_queue_stop;
qed_fw_vport(p_hwfn, p_rx_cid->vport_id, &p_ramrod->vport_id);
qed_fw_l2_queue(p_hwfn, rx_queue_id, &abs_rx_q_id);
p_ramrod->rx_queue_id = cpu_to_le16(abs_rx_q_id);
/* Cleaning the queue requires the completion to arrive there.
* In addition, VFs require the answer to come as eqe to PF.
*/
p_ramrod->complete_cqe_flg =
(!!(p_rx_cid->opaque_fid == p_hwfn->hw_info.opaque_fid) &&
!eq_completion_only) || cqe_completion;
p_ramrod->complete_event_flg =
!(p_rx_cid->opaque_fid == p_hwfn->hw_info.opaque_fid) ||
eq_completion_only;
rc = qed_spq_post(p_hwfn, p_ent, NULL);
if (rc)
return rc;
return qed_sp_release_queue_cid(p_hwfn, p_rx_cid);
}
static int
qed_sp_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
u32 cid,
struct qed_queue_start_common_params *p_params,
u8 stats_id,
dma_addr_t pbl_addr,
u16 pbl_size,
union qed_qm_pq_params *p_pq_params)
{
struct tx_queue_start_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
struct qed_hw_cid_data *p_tx_cid;
u8 abs_vport_id;
int rc = -EINVAL;
u16 pq_id;
/* Store information for the stop */
p_tx_cid = &p_hwfn->p_tx_cids[p_params->queue_id];
p_tx_cid->cid = cid;
p_tx_cid->opaque_fid = opaque_fid;
rc = qed_fw_vport(p_hwfn, p_params->vport_id, &abs_vport_id);
if (rc)
return rc;
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = cid;
init_data.opaque_fid = opaque_fid;
init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_TX_QUEUE_START,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
p_ramrod = &p_ent->ramrod.tx_queue_start;
p_ramrod->vport_id = abs_vport_id;
p_ramrod->sb_id = cpu_to_le16(p_params->sb);
p_ramrod->sb_index = p_params->sb_idx;
p_ramrod->stats_counter_id = stats_id;
p_ramrod->pbl_size = cpu_to_le16(pbl_size);
DMA_REGPAIR_LE(p_ramrod->pbl_base_addr, pbl_addr);
pq_id = qed_get_qm_pq(p_hwfn,
PROTOCOLID_ETH,
p_pq_params);
p_ramrod->qm_pq_id = cpu_to_le16(pq_id);
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int
qed_sp_eth_tx_queue_start(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_queue_start_common_params *p_params,
dma_addr_t pbl_addr,
u16 pbl_size,
void __iomem **pp_doorbell)
{
struct qed_hw_cid_data *p_tx_cid;
union qed_qm_pq_params pq_params;
u8 abs_stats_id = 0;
int rc;
rc = qed_fw_vport(p_hwfn, p_params->vport_id, &abs_stats_id);
if (rc)
return rc;
p_tx_cid = &p_hwfn->p_tx_cids[p_params->queue_id];
memset(p_tx_cid, 0, sizeof(*p_tx_cid));
memset(&pq_params, 0, sizeof(pq_params));
/* Allocate a CID for the queue */
rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_ETH,
&p_tx_cid->cid);
if (rc) {
DP_NOTICE(p_hwfn, "Failed to acquire cid\n");
return rc;
}
p_tx_cid->b_cid_allocated = true;
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"opaque_fid=0x%x, cid=0x%x, tx_qid=0x%x, vport_id=0x%x, sb_id=0x%x\n",
opaque_fid, p_tx_cid->cid,
p_params->queue_id, p_params->vport_id, p_params->sb);
rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
opaque_fid,
p_tx_cid->cid,
p_params,
abs_stats_id,
pbl_addr,
pbl_size,
&pq_params);
*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
qed_db_addr(p_tx_cid->cid, DQ_DEMS_LEGACY);
if (rc)
qed_sp_release_queue_cid(p_hwfn, p_tx_cid);
return rc;
}
static int qed_sp_eth_tx_queue_stop(struct qed_hwfn *p_hwfn,
u16 tx_queue_id)
{
struct qed_hw_cid_data *p_tx_cid = &p_hwfn->p_tx_cids[tx_queue_id];
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
int rc = -EINVAL;
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = p_tx_cid->cid;
init_data.opaque_fid = p_tx_cid->opaque_fid;
init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_TX_QUEUE_STOP,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
rc = qed_spq_post(p_hwfn, p_ent, NULL);
if (rc)
return rc;
return qed_sp_release_queue_cid(p_hwfn, p_tx_cid);
}
static enum eth_filter_action
qed_filter_action(enum qed_filter_opcode opcode)
{
enum eth_filter_action action = MAX_ETH_FILTER_ACTION;
switch (opcode) {
case QED_FILTER_ADD:
action = ETH_FILTER_ACTION_ADD;
break;
case QED_FILTER_REMOVE:
action = ETH_FILTER_ACTION_REMOVE;
break;
case QED_FILTER_FLUSH:
action = ETH_FILTER_ACTION_REMOVE_ALL;
break;
default:
action = MAX_ETH_FILTER_ACTION;
}
return action;
}
static void qed_set_fw_mac_addr(__le16 *fw_msb,
__le16 *fw_mid,
__le16 *fw_lsb,
u8 *mac)
{
((u8 *)fw_msb)[0] = mac[1];
((u8 *)fw_msb)[1] = mac[0];
((u8 *)fw_mid)[0] = mac[3];
((u8 *)fw_mid)[1] = mac[2];
((u8 *)fw_lsb)[0] = mac[5];
((u8 *)fw_lsb)[1] = mac[4];
}
static int
qed_filter_ucast_common(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_filter_ucast *p_filter_cmd,
struct vport_filter_update_ramrod_data **pp_ramrod,
struct qed_spq_entry **pp_ent,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
u8 vport_to_add_to = 0, vport_to_remove_from = 0;
struct vport_filter_update_ramrod_data *p_ramrod;
struct eth_filter_cmd *p_first_filter;
struct eth_filter_cmd *p_second_filter;
struct qed_sp_init_data init_data;
enum eth_filter_action action;
int rc;
rc = qed_fw_vport(p_hwfn, p_filter_cmd->vport_to_remove_from,
&vport_to_remove_from);
if (rc)
return rc;
rc = qed_fw_vport(p_hwfn, p_filter_cmd->vport_to_add_to,
&vport_to_add_to);
if (rc)
return rc;
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = qed_spq_get_cid(p_hwfn);
init_data.opaque_fid = opaque_fid;
init_data.comp_mode = comp_mode;
init_data.p_comp_data = p_comp_data;
rc = qed_sp_init_request(p_hwfn, pp_ent,
ETH_RAMROD_FILTERS_UPDATE,
PROTOCOLID_ETH, &init_data);
if (rc)
return rc;
*pp_ramrod = &(*pp_ent)->ramrod.vport_filter_update;
p_ramrod = *pp_ramrod;
p_ramrod->filter_cmd_hdr.rx = p_filter_cmd->is_rx_filter ? 1 : 0;
p_ramrod->filter_cmd_hdr.tx = p_filter_cmd->is_tx_filter ? 1 : 0;
switch (p_filter_cmd->opcode) {
case QED_FILTER_REPLACE:
case QED_FILTER_MOVE:
p_ramrod->filter_cmd_hdr.cmd_cnt = 2; break;
default:
p_ramrod->filter_cmd_hdr.cmd_cnt = 1; break;
}
p_first_filter = &p_ramrod->filter_cmds[0];
p_second_filter = &p_ramrod->filter_cmds[1];
switch (p_filter_cmd->type) {
case QED_FILTER_MAC:
p_first_filter->type = ETH_FILTER_TYPE_MAC; break;
case QED_FILTER_VLAN:
p_first_filter->type = ETH_FILTER_TYPE_VLAN; break;
case QED_FILTER_MAC_VLAN:
p_first_filter->type = ETH_FILTER_TYPE_PAIR; break;
case QED_FILTER_INNER_MAC:
p_first_filter->type = ETH_FILTER_TYPE_INNER_MAC; break;
case QED_FILTER_INNER_VLAN:
p_first_filter->type = ETH_FILTER_TYPE_INNER_VLAN; break;
case QED_FILTER_INNER_PAIR:
p_first_filter->type = ETH_FILTER_TYPE_INNER_PAIR; break;
case QED_FILTER_INNER_MAC_VNI_PAIR:
p_first_filter->type = ETH_FILTER_TYPE_INNER_MAC_VNI_PAIR;
break;
case QED_FILTER_MAC_VNI_PAIR:
p_first_filter->type = ETH_FILTER_TYPE_MAC_VNI_PAIR; break;
case QED_FILTER_VNI:
p_first_filter->type = ETH_FILTER_TYPE_VNI; break;
}
if ((p_first_filter->type == ETH_FILTER_TYPE_MAC) ||
(p_first_filter->type == ETH_FILTER_TYPE_PAIR) ||
(p_first_filter->type == ETH_FILTER_TYPE_INNER_MAC) ||
(p_first_filter->type == ETH_FILTER_TYPE_INNER_PAIR) ||
(p_first_filter->type == ETH_FILTER_TYPE_INNER_MAC_VNI_PAIR) ||
(p_first_filter->type == ETH_FILTER_TYPE_MAC_VNI_PAIR)) {
qed_set_fw_mac_addr(&p_first_filter->mac_msb,
&p_first_filter->mac_mid,
&p_first_filter->mac_lsb,
(u8 *)p_filter_cmd->mac);
}
if ((p_first_filter->type == ETH_FILTER_TYPE_VLAN) ||
(p_first_filter->type == ETH_FILTER_TYPE_PAIR) ||
(p_first_filter->type == ETH_FILTER_TYPE_INNER_VLAN) ||
(p_first_filter->type == ETH_FILTER_TYPE_INNER_PAIR))
p_first_filter->vlan_id = cpu_to_le16(p_filter_cmd->vlan);
if ((p_first_filter->type == ETH_FILTER_TYPE_INNER_MAC_VNI_PAIR) ||
(p_first_filter->type == ETH_FILTER_TYPE_MAC_VNI_PAIR) ||
(p_first_filter->type == ETH_FILTER_TYPE_VNI))
p_first_filter->vni = cpu_to_le32(p_filter_cmd->vni);
if (p_filter_cmd->opcode == QED_FILTER_MOVE) {
p_second_filter->type = p_first_filter->type;
p_second_filter->mac_msb = p_first_filter->mac_msb;
p_second_filter->mac_mid = p_first_filter->mac_mid;
p_second_filter->mac_lsb = p_first_filter->mac_lsb;
p_second_filter->vlan_id = p_first_filter->vlan_id;
p_second_filter->vni = p_first_filter->vni;
p_first_filter->action = ETH_FILTER_ACTION_REMOVE;
p_first_filter->vport_id = vport_to_remove_from;
p_second_filter->action = ETH_FILTER_ACTION_ADD;
p_second_filter->vport_id = vport_to_add_to;
} else if (p_filter_cmd->opcode == QED_FILTER_REPLACE) {
p_first_filter->vport_id = vport_to_add_to;
memcpy(p_second_filter, p_first_filter,
sizeof(*p_second_filter));
p_first_filter->action = ETH_FILTER_ACTION_REMOVE_ALL;
p_second_filter->action = ETH_FILTER_ACTION_ADD;
} else {
action = qed_filter_action(p_filter_cmd->opcode);
if (action == MAX_ETH_FILTER_ACTION) {
DP_NOTICE(p_hwfn,
"%d is not supported yet\n",
p_filter_cmd->opcode);
return -EINVAL;
}
p_first_filter->action = action;
p_first_filter->vport_id = (p_filter_cmd->opcode ==
QED_FILTER_REMOVE) ?
vport_to_remove_from :
vport_to_add_to;
}
return 0;
}
static int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_filter_ucast *p_filter_cmd,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
struct vport_filter_update_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct eth_filter_cmd_header *p_header;
int rc;
rc = qed_filter_ucast_common(p_hwfn, opaque_fid, p_filter_cmd,
&p_ramrod, &p_ent,
comp_mode, p_comp_data);
if (rc != 0) {
DP_ERR(p_hwfn, "Uni. filter command failed %d\n", rc);
return rc;
}
p_header = &p_ramrod->filter_cmd_hdr;
p_header->assert_on_error = p_filter_cmd->assert_on_error;
rc = qed_spq_post(p_hwfn, p_ent, NULL);
if (rc != 0) {
DP_ERR(p_hwfn,
"Unicast filter ADD command failed %d\n",
rc);
return rc;
}
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"Unicast filter configured, opcode = %s, type = %s, cmd_cnt = %d, is_rx_filter = %d, is_tx_filter = %d\n",
(p_filter_cmd->opcode == QED_FILTER_ADD) ? "ADD" :
((p_filter_cmd->opcode == QED_FILTER_REMOVE) ?
"REMOVE" :
((p_filter_cmd->opcode == QED_FILTER_MOVE) ?
"MOVE" : "REPLACE")),
(p_filter_cmd->type == QED_FILTER_MAC) ? "MAC" :
((p_filter_cmd->type == QED_FILTER_VLAN) ?
"VLAN" : "MAC & VLAN"),
p_ramrod->filter_cmd_hdr.cmd_cnt,
p_filter_cmd->is_rx_filter,
p_filter_cmd->is_tx_filter);
DP_VERBOSE(p_hwfn, QED_MSG_SP,
"vport_to_add_to = %d, vport_to_remove_from = %d, mac = %2x:%2x:%2x:%2x:%2x:%2x, vlan = %d\n",
p_filter_cmd->vport_to_add_to,
p_filter_cmd->vport_to_remove_from,
p_filter_cmd->mac[0],
p_filter_cmd->mac[1],
p_filter_cmd->mac[2],
p_filter_cmd->mac[3],
p_filter_cmd->mac[4],
p_filter_cmd->mac[5],
p_filter_cmd->vlan);
return 0;
}
/*******************************************************************************
* Description:
* Calculates crc 32 on a buffer
* Note: crc32_length MUST be aligned to 8
* Return:
******************************************************************************/
static u32 qed_calc_crc32c(u8 *crc32_packet,
u32 crc32_length,
u32 crc32_seed,
u8 complement)
{
u32 byte = 0;
u32 bit = 0;
u8 msb = 0;
u8 current_byte = 0;
u32 crc32_result = crc32_seed;
if ((!crc32_packet) ||
(crc32_length == 0) ||
((crc32_length % 8) != 0))
return crc32_result;
for (byte = 0; byte < crc32_length; byte++) {
current_byte = crc32_packet[byte];
for (bit = 0; bit < 8; bit++) {
msb = (u8)(crc32_result >> 31);
crc32_result = crc32_result << 1;
if (msb != (0x1 & (current_byte >> bit))) {
crc32_result = crc32_result ^ CRC32_POLY;
crc32_result |= 1; /*crc32_result[0] = 1;*/
}
}
}
return crc32_result;
}
static inline u32 qed_crc32c_le(u32 seed,
u8 *mac,
u32 len)
{
u32 packet_buf[2] = { 0 };
memcpy((u8 *)(&packet_buf[0]), &mac[0], 6);
return qed_calc_crc32c((u8 *)packet_buf, 8, seed, 0);
}
static u8 qed_mcast_bin_from_mac(u8 *mac)
{
u32 crc = qed_crc32c_le(ETH_MULTICAST_BIN_FROM_MAC_SEED,
mac, ETH_ALEN);
return crc & 0xff;
}
static int
qed_sp_eth_filter_mcast(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_filter_mcast *p_filter_cmd,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
unsigned long bins[ETH_MULTICAST_MAC_BINS_IN_REGS];
struct vport_update_ramrod_data *p_ramrod = NULL;
struct qed_spq_entry *p_ent = NULL;
struct qed_sp_init_data init_data;
u8 abs_vport_id = 0;
int rc, i;
if (p_filter_cmd->opcode == QED_FILTER_ADD) {
rc = qed_fw_vport(p_hwfn, p_filter_cmd->vport_to_add_to,
&abs_vport_id);
if (rc)
return rc;
} else {
rc = qed_fw_vport(p_hwfn, p_filter_cmd->vport_to_remove_from,
&abs_vport_id);
if (rc)
return rc;
}
/* Get SPQ entry */
memset(&init_data, 0, sizeof(init_data));
init_data.cid = qed_spq_get_cid(p_hwfn);
init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
init_data.comp_mode = comp_mode;
init_data.p_comp_data = p_comp_data;
rc = qed_sp_init_request(p_hwfn, &p_ent,
ETH_RAMROD_VPORT_UPDATE,
PROTOCOLID_ETH, &init_data);
if (rc) {
DP_ERR(p_hwfn, "Multi-cast command failed %d\n", rc);
return rc;
}
p_ramrod = &p_ent->ramrod.vport_update;
p_ramrod->common.update_approx_mcast_flg = 1;
/* explicitly clear out the entire vector */
memset(&p_ramrod->approx_mcast.bins, 0,
sizeof(p_ramrod->approx_mcast.bins));
memset(bins, 0, sizeof(unsigned long) *
ETH_MULTICAST_MAC_BINS_IN_REGS);
/* filter ADD op is explicit set op and it removes
* any existing filters for the vport
*/
if (p_filter_cmd->opcode == QED_FILTER_ADD) {
for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
u32 bit;
bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
__set_bit(bit, bins);
}
/* Convert to correct endianity */
for (i = 0; i < ETH_MULTICAST_MAC_BINS_IN_REGS; i++) {
u32 *p_bins = (u32 *)bins;
struct vport_update_ramrod_mcast *approx_mcast;
approx_mcast = &p_ramrod->approx_mcast;
approx_mcast->bins[i] = cpu_to_le32(p_bins[i]);
}
}
p_ramrod->common.vport_id = abs_vport_id;
return qed_spq_post(p_hwfn, p_ent, NULL);
}
static int
qed_filter_mcast_cmd(struct qed_dev *cdev,
struct qed_filter_mcast *p_filter_cmd,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
int rc = 0;
int i;
/* only ADD and REMOVE operations are supported for multi-cast */
if ((p_filter_cmd->opcode != QED_FILTER_ADD &&
(p_filter_cmd->opcode != QED_FILTER_REMOVE)) ||
(p_filter_cmd->num_mc_addrs > QED_MAX_MC_ADDRS))
return -EINVAL;
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
u16 opaque_fid;
if (rc != 0)
break;
opaque_fid = p_hwfn->hw_info.opaque_fid;
rc = qed_sp_eth_filter_mcast(p_hwfn,
opaque_fid,
p_filter_cmd,
comp_mode,
p_comp_data);
}
return rc;
}
static int qed_filter_ucast_cmd(struct qed_dev *cdev,
struct qed_filter_ucast *p_filter_cmd,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data)
{
int rc = 0;
int i;
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
u16 opaque_fid;
if (rc != 0)
break;
opaque_fid = p_hwfn->hw_info.opaque_fid;
rc = qed_sp_eth_filter_ucast(p_hwfn,
opaque_fid,
p_filter_cmd,
comp_mode,
p_comp_data);
}
return rc;
}
static int qed_fill_eth_dev_info(struct qed_dev *cdev,
struct qed_dev_eth_info *info)
{
int i;
memset(info, 0, sizeof(*info));
info->num_tc = 1;
if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
for_each_hwfn(cdev, i)
info->num_queues += FEAT_NUM(&cdev->hwfns[i],
QED_PF_L2_QUE);
if (cdev->int_params.fp_msix_cnt)
info->num_queues = min_t(u8, info->num_queues,
cdev->int_params.fp_msix_cnt);
} else {
info->num_queues = cdev->num_hwfns;
}
info->num_vlan_filters = RESC_NUM(&cdev->hwfns[0], QED_VLAN);
ether_addr_copy(info->port_mac,
cdev->hwfns[0].hw_info.hw_mac_addr);
qed_fill_dev_info(cdev, &info->common);
return 0;
}
static void qed_register_eth_ops(struct qed_dev *cdev,
struct qed_eth_cb_ops *ops,
void *cookie)
{
cdev->protocol_ops.eth = ops;
cdev->ops_cookie = cookie;
}
static int qed_start_vport(struct qed_dev *cdev,
u8 vport_id,
u16 mtu,
u8 drop_ttl0_flg,
u8 inner_vlan_removal_en_flg)
{
int rc, i;
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
rc = qed_sp_vport_start(p_hwfn,
p_hwfn->hw_info.concrete_fid,
p_hwfn->hw_info.opaque_fid,
vport_id,
mtu,
drop_ttl0_flg,
inner_vlan_removal_en_flg);
if (rc) {
DP_ERR(cdev, "Failed to start VPORT\n");
return rc;
}
qed_hw_start_fastpath(p_hwfn);
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
"Started V-PORT %d with MTU %d\n",
vport_id, mtu);
}
qed_reset_vport_stats(cdev);
return 0;
}
static int qed_stop_vport(struct qed_dev *cdev,
u8 vport_id)
{
int rc, i;
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
rc = qed_sp_vport_stop(p_hwfn,
p_hwfn->hw_info.opaque_fid,
vport_id);
if (rc) {
DP_ERR(cdev, "Failed to stop VPORT\n");
return rc;
}
}
return 0;
}
static int qed_update_vport(struct qed_dev *cdev,
struct qed_update_vport_params *params)
{
struct qed_sp_vport_update_params sp_params;
struct qed_rss_params sp_rss_params;
int rc, i;
if (!cdev)
return -ENODEV;
memset(&sp_params, 0, sizeof(sp_params));
memset(&sp_rss_params, 0, sizeof(sp_rss_params));
/* Translate protocol params into sp params */
sp_params.vport_id = params->vport_id;
sp_params.update_vport_active_rx_flg =
params->update_vport_active_flg;
sp_params.update_vport_active_tx_flg =
params->update_vport_active_flg;
sp_params.vport_active_rx_flg = params->vport_active_flg;
sp_params.vport_active_tx_flg = params->vport_active_flg;
sp_params.accept_any_vlan = params->accept_any_vlan;
sp_params.update_accept_any_vlan_flg =
params->update_accept_any_vlan_flg;
/* RSS - is a bit tricky, since upper-layer isn't familiar with hwfns.
* We need to re-fix the rss values per engine for CMT.
*/
if (cdev->num_hwfns > 1 && params->update_rss_flg) {
struct qed_update_vport_rss_params *rss =
&params->rss_params;
int k, max = 0;
/* Find largest entry, since it's possible RSS needs to
* be disabled [in case only 1 queue per-hwfn]
*/
for (k = 0; k < QED_RSS_IND_TABLE_SIZE; k++)
max = (max > rss->rss_ind_table[k]) ?
max : rss->rss_ind_table[k];
/* Either fix RSS values or disable RSS */
if (cdev->num_hwfns < max + 1) {
int divisor = (max + cdev->num_hwfns - 1) /
cdev->num_hwfns;
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
"CMT - fixing RSS values (modulo %02x)\n",
divisor);
for (k = 0; k < QED_RSS_IND_TABLE_SIZE; k++)
rss->rss_ind_table[k] =
rss->rss_ind_table[k] % divisor;
} else {
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
"CMT - 1 queue per-hwfn; Disabling RSS\n");
params->update_rss_flg = 0;
}
}
/* Now, update the RSS configuration for actual configuration */
if (params->update_rss_flg) {
sp_rss_params.update_rss_config = 1;
sp_rss_params.rss_enable = 1;
sp_rss_params.update_rss_capabilities = 1;
sp_rss_params.update_rss_ind_table = 1;
sp_rss_params.update_rss_key = 1;
sp_rss_params.rss_caps = QED_RSS_IPV4 |
QED_RSS_IPV6 |
QED_RSS_IPV4_TCP | QED_RSS_IPV6_TCP;
sp_rss_params.rss_table_size_log = 7; /* 2^7 = 128 */
memcpy(sp_rss_params.rss_ind_table,
params->rss_params.rss_ind_table,
QED_RSS_IND_TABLE_SIZE * sizeof(u16));
memcpy(sp_rss_params.rss_key, params->rss_params.rss_key,
QED_RSS_KEY_SIZE * sizeof(u32));
}
sp_params.rss_params = &sp_rss_params;
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
sp_params.opaque_fid = p_hwfn->hw_info.opaque_fid;
rc = qed_sp_vport_update(p_hwfn, &sp_params,
QED_SPQ_MODE_EBLOCK,
NULL);
if (rc) {
DP_ERR(cdev, "Failed to update VPORT\n");
return rc;
}
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
"Updated V-PORT %d: active_flag %d [update %d]\n",
params->vport_id, params->vport_active_flg,
params->update_vport_active_flg);
}
return 0;
}
static int qed_start_rxq(struct qed_dev *cdev,
struct qed_queue_start_common_params *params,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr,
u16 cqe_pbl_size,
void __iomem **pp_prod)
{
int rc, hwfn_index;
struct qed_hwfn *p_hwfn;
hwfn_index = params->rss_id % cdev->num_hwfns;
p_hwfn = &cdev->hwfns[hwfn_index];
/* Fix queue ID in 100g mode */
params->queue_id /= cdev->num_hwfns;
rc = qed_sp_eth_rx_queue_start(p_hwfn,
p_hwfn->hw_info.opaque_fid,
params,
bd_max_bytes,
bd_chain_phys_addr,
cqe_pbl_addr,
cqe_pbl_size,
pp_prod);
if (rc) {
DP_ERR(cdev, "Failed to start RXQ#%d\n", params->queue_id);
return rc;
}
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
"Started RX-Q %d [rss %d] on V-PORT %d and SB %d\n",
params->queue_id, params->rss_id, params->vport_id,
params->sb);
return 0;
}
static int qed_stop_rxq(struct qed_dev *cdev,
struct qed_stop_rxq_params *params)
{
int rc, hwfn_index;
struct qed_hwfn *p_hwfn;
hwfn_index = params->rss_id % cdev->num_hwfns;
p_hwfn = &cdev->hwfns[hwfn_index];
rc = qed_sp_eth_rx_queue_stop(p_hwfn,
params->rx_queue_id / cdev->num_hwfns,
params->eq_completion_only,
false);
if (rc) {
DP_ERR(cdev, "Failed to stop RXQ#%d\n", params->rx_queue_id);
return rc;
}
return 0;
}
static int qed_start_txq(struct qed_dev *cdev,
struct qed_queue_start_common_params *p_params,
dma_addr_t pbl_addr,
u16 pbl_size,
void __iomem **pp_doorbell)
{
struct qed_hwfn *p_hwfn;
int rc, hwfn_index;
hwfn_index = p_params->rss_id % cdev->num_hwfns;
p_hwfn = &cdev->hwfns[hwfn_index];
/* Fix queue ID in 100g mode */
p_params->queue_id /= cdev->num_hwfns;
rc = qed_sp_eth_tx_queue_start(p_hwfn,
p_hwfn->hw_info.opaque_fid,
p_params,
pbl_addr,
pbl_size,
pp_doorbell);
if (rc) {
DP_ERR(cdev, "Failed to start TXQ#%d\n", p_params->queue_id);
return rc;
}
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
"Started TX-Q %d [rss %d] on V-PORT %d and SB %d\n",
p_params->queue_id, p_params->rss_id, p_params->vport_id,
p_params->sb);
return 0;
}
#define QED_HW_STOP_RETRY_LIMIT (10)
static int qed_fastpath_stop(struct qed_dev *cdev)
{
qed_hw_stop_fastpath(cdev);
return 0;
}
static int qed_stop_txq(struct qed_dev *cdev,
struct qed_stop_txq_params *params)
{
struct qed_hwfn *p_hwfn;
int rc, hwfn_index;
hwfn_index = params->rss_id % cdev->num_hwfns;
p_hwfn = &cdev->hwfns[hwfn_index];
rc = qed_sp_eth_tx_queue_stop(p_hwfn,
params->tx_queue_id / cdev->num_hwfns);
if (rc) {
DP_ERR(cdev, "Failed to stop TXQ#%d\n", params->tx_queue_id);
return rc;
}
return 0;
}
static int qed_configure_filter_rx_mode(struct qed_dev *cdev,
enum qed_filter_rx_mode_type type)
{
struct qed_filter_accept_flags accept_flags;
memset(&accept_flags, 0, sizeof(accept_flags));
accept_flags.update_rx_mode_config = 1;
accept_flags.update_tx_mode_config = 1;
accept_flags.rx_accept_filter = QED_ACCEPT_UCAST_MATCHED |
QED_ACCEPT_MCAST_MATCHED |
QED_ACCEPT_BCAST;
accept_flags.tx_accept_filter = QED_ACCEPT_UCAST_MATCHED |
QED_ACCEPT_MCAST_MATCHED |
QED_ACCEPT_BCAST;
if (type == QED_FILTER_RX_MODE_TYPE_PROMISC)
accept_flags.rx_accept_filter |= QED_ACCEPT_UCAST_UNMATCHED |
QED_ACCEPT_MCAST_UNMATCHED;
else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC)
accept_flags.rx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED;
return qed_filter_accept_cmd(cdev, 0, accept_flags, false, false,
QED_SPQ_MODE_CB, NULL);
}
static int qed_configure_filter_ucast(struct qed_dev *cdev,
struct qed_filter_ucast_params *params)
{
struct qed_filter_ucast ucast;
if (!params->vlan_valid && !params->mac_valid) {
DP_NOTICE(
cdev,
"Tried configuring a unicast filter, but both MAC and VLAN are not set\n");
return -EINVAL;
}
memset(&ucast, 0, sizeof(ucast));
switch (params->type) {
case QED_FILTER_XCAST_TYPE_ADD:
ucast.opcode = QED_FILTER_ADD;
break;
case QED_FILTER_XCAST_TYPE_DEL:
ucast.opcode = QED_FILTER_REMOVE;
break;
case QED_FILTER_XCAST_TYPE_REPLACE:
ucast.opcode = QED_FILTER_REPLACE;
break;
default:
DP_NOTICE(cdev, "Unknown unicast filter type %d\n",
params->type);
}
if (params->vlan_valid && params->mac_valid) {
ucast.type = QED_FILTER_MAC_VLAN;
ether_addr_copy(ucast.mac, params->mac);
ucast.vlan = params->vlan;
} else if (params->mac_valid) {
ucast.type = QED_FILTER_MAC;
ether_addr_copy(ucast.mac, params->mac);
} else {
ucast.type = QED_FILTER_VLAN;
ucast.vlan = params->vlan;
}
ucast.is_rx_filter = true;
ucast.is_tx_filter = true;
return qed_filter_ucast_cmd(cdev, &ucast, QED_SPQ_MODE_CB, NULL);
}
static int qed_configure_filter_mcast(struct qed_dev *cdev,
struct qed_filter_mcast_params *params)
{
struct qed_filter_mcast mcast;
int i;
memset(&mcast, 0, sizeof(mcast));
switch (params->type) {
case QED_FILTER_XCAST_TYPE_ADD:
mcast.opcode = QED_FILTER_ADD;
break;
case QED_FILTER_XCAST_TYPE_DEL:
mcast.opcode = QED_FILTER_REMOVE;
break;
default:
DP_NOTICE(cdev, "Unknown multicast filter type %d\n",
params->type);
}
mcast.num_mc_addrs = params->num;
for (i = 0; i < mcast.num_mc_addrs; i++)
ether_addr_copy(mcast.mac[i], params->mac[i]);
return qed_filter_mcast_cmd(cdev, &mcast,
QED_SPQ_MODE_CB, NULL);
}
static int qed_configure_filter(struct qed_dev *cdev,
struct qed_filter_params *params)
{
enum qed_filter_rx_mode_type accept_flags;
switch (params->type) {
case QED_FILTER_TYPE_UCAST:
return qed_configure_filter_ucast(cdev, &params->filter.ucast);
case QED_FILTER_TYPE_MCAST:
return qed_configure_filter_mcast(cdev, &params->filter.mcast);
case QED_FILTER_TYPE_RX_MODE:
accept_flags = params->filter.accept_flags;
return qed_configure_filter_rx_mode(cdev, accept_flags);
default:
DP_NOTICE(cdev, "Unknown filter type %d\n",
(int)params->type);
return -EINVAL;
}
}
static int qed_fp_cqe_completion(struct qed_dev *dev,
u8 rss_id,
struct eth_slow_path_rx_cqe *cqe)
{
return qed_eth_cqe_completion(&dev->hwfns[rss_id % dev->num_hwfns],
cqe);
}
static const struct qed_eth_ops qed_eth_ops_pass = {
.common = &qed_common_ops_pass,
.fill_dev_info = &qed_fill_eth_dev_info,
.register_ops = &qed_register_eth_ops,
.vport_start = &qed_start_vport,
.vport_stop = &qed_stop_vport,
.vport_update = &qed_update_vport,
.q_rx_start = &qed_start_rxq,
.q_rx_stop = &qed_stop_rxq,
.q_tx_start = &qed_start_txq,
.q_tx_stop = &qed_stop_txq,
.filter_config = &qed_configure_filter,
.fastpath_stop = &qed_fastpath_stop,
.eth_cqe_completion = &qed_fp_cqe_completion,
.get_vport_stats = &qed_get_vport_stats,
};
const struct qed_eth_ops *qed_get_eth_ops(u32 version)
{
if (version != QED_ETH_INTERFACE_VERSION) {
pr_notice("Cannot supply ethtool operations [%08x != %08x]\n",
version, QED_ETH_INTERFACE_VERSION);
return NULL;
}
return &qed_eth_ops_pass;
}
EXPORT_SYMBOL(qed_get_eth_ops);
void qed_put_eth_ops(void)
{
/* TODO - reference count for module? */
}
EXPORT_SYMBOL(qed_put_eth_ops);
Reference in New Issue View Git Blame Copy Permalink