linux-zen-server/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c

927 lines
21 KiB
C

// SPDX-License-Identifier: GPL-2.0
/* Marvell CN10K MCS driver
*
* Copyright (C) 2022 Marvell.
*/
#include <linux/types.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/pci.h>
#include "mcs.h"
#include "rvu.h"
#include "mcs_reg.h"
#include "lmac_common.h"
#define M(_name, _id, _fn_name, _req_type, _rsp_type) \
static struct _req_type __maybe_unused \
*otx2_mbox_alloc_msg_ ## _fn_name(struct rvu *rvu, int devid) \
{ \
struct _req_type *req; \
\
req = (struct _req_type *)otx2_mbox_alloc_msg_rsp( \
&rvu->afpf_wq_info.mbox_up, devid, sizeof(struct _req_type), \
sizeof(struct _rsp_type)); \
if (!req) \
return NULL; \
req->hdr.sig = OTX2_MBOX_REQ_SIG; \
req->hdr.id = _id; \
return req; \
}
MBOX_UP_MCS_MESSAGES
#undef M
void rvu_mcs_ptp_cfg(struct rvu *rvu, u8 rpm_id, u8 lmac_id, bool ena)
{
struct mcs *mcs;
u64 cfg;
u8 port;
if (!rvu->mcs_blk_cnt)
return;
/* When ptp is enabled, RPM appends 8B header for all
* RX packets. MCS PEX need to configure to skip 8B
* during packet parsing.
*/
/* CNF10K-B */
if (rvu->mcs_blk_cnt > 1) {
mcs = mcs_get_pdata(rpm_id);
cfg = mcs_reg_read(mcs, MCSX_PEX_RX_SLAVE_PEX_CONFIGURATION);
if (ena)
cfg |= BIT_ULL(lmac_id);
else
cfg &= ~BIT_ULL(lmac_id);
mcs_reg_write(mcs, MCSX_PEX_RX_SLAVE_PEX_CONFIGURATION, cfg);
return;
}
/* CN10KB */
mcs = mcs_get_pdata(0);
port = (rpm_id * rvu->hw->lmac_per_cgx) + lmac_id;
cfg = mcs_reg_read(mcs, MCSX_PEX_RX_SLAVE_PORT_CFGX(port));
if (ena)
cfg |= BIT_ULL(0);
else
cfg &= ~BIT_ULL(0);
mcs_reg_write(mcs, MCSX_PEX_RX_SLAVE_PORT_CFGX(port), cfg);
}
int rvu_mbox_handler_mcs_set_lmac_mode(struct rvu *rvu,
struct mcs_set_lmac_mode *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (BIT_ULL(req->lmac_id) & mcs->hw->lmac_bmap)
mcs_set_lmac_mode(mcs, req->lmac_id, req->mode);
return 0;
}
int mcs_add_intr_wq_entry(struct mcs *mcs, struct mcs_intr_event *event)
{
struct mcs_intrq_entry *qentry;
u16 pcifunc = event->pcifunc;
struct rvu *rvu = mcs->rvu;
struct mcs_pfvf *pfvf;
/* Check if it is PF or VF */
if (pcifunc & RVU_PFVF_FUNC_MASK)
pfvf = &mcs->vf[rvu_get_hwvf(rvu, pcifunc)];
else
pfvf = &mcs->pf[rvu_get_pf(pcifunc)];
event->intr_mask &= pfvf->intr_mask;
/* Check PF/VF interrupt notification is enabled */
if (!(pfvf->intr_mask && event->intr_mask))
return 0;
qentry = kmalloc(sizeof(*qentry), GFP_ATOMIC);
if (!qentry)
return -ENOMEM;
qentry->intr_event = *event;
spin_lock(&rvu->mcs_intrq_lock);
list_add_tail(&qentry->node, &rvu->mcs_intrq_head);
spin_unlock(&rvu->mcs_intrq_lock);
queue_work(rvu->mcs_intr_wq, &rvu->mcs_intr_work);
return 0;
}
static int mcs_notify_pfvf(struct mcs_intr_event *event, struct rvu *rvu)
{
struct mcs_intr_info *req;
int err, pf;
pf = rvu_get_pf(event->pcifunc);
req = otx2_mbox_alloc_msg_mcs_intr_notify(rvu, pf);
if (!req)
return -ENOMEM;
req->mcs_id = event->mcs_id;
req->intr_mask = event->intr_mask;
req->sa_id = event->sa_id;
req->hdr.pcifunc = event->pcifunc;
req->lmac_id = event->lmac_id;
otx2_mbox_msg_send(&rvu->afpf_wq_info.mbox_up, pf);
err = otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pf);
if (err)
dev_warn(rvu->dev, "MCS notification to pf %d failed\n", pf);
return 0;
}
static void mcs_intr_handler_task(struct work_struct *work)
{
struct rvu *rvu = container_of(work, struct rvu, mcs_intr_work);
struct mcs_intrq_entry *qentry;
struct mcs_intr_event *event;
unsigned long flags;
do {
spin_lock_irqsave(&rvu->mcs_intrq_lock, flags);
qentry = list_first_entry_or_null(&rvu->mcs_intrq_head,
struct mcs_intrq_entry,
node);
if (qentry)
list_del(&qentry->node);
spin_unlock_irqrestore(&rvu->mcs_intrq_lock, flags);
if (!qentry)
break; /* nothing more to process */
event = &qentry->intr_event;
mcs_notify_pfvf(event, rvu);
kfree(qentry);
} while (1);
}
int rvu_mbox_handler_mcs_intr_cfg(struct rvu *rvu,
struct mcs_intr_cfg *req,
struct msg_rsp *rsp)
{
u16 pcifunc = req->hdr.pcifunc;
struct mcs_pfvf *pfvf;
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
/* Check if it is PF or VF */
if (pcifunc & RVU_PFVF_FUNC_MASK)
pfvf = &mcs->vf[rvu_get_hwvf(rvu, pcifunc)];
else
pfvf = &mcs->pf[rvu_get_pf(pcifunc)];
mcs->pf_map[0] = pcifunc;
pfvf->intr_mask = req->intr_mask;
return 0;
}
int rvu_mbox_handler_mcs_get_hw_info(struct rvu *rvu,
struct msg_req *req,
struct mcs_hw_info *rsp)
{
struct mcs *mcs;
if (!rvu->mcs_blk_cnt)
return MCS_AF_ERR_NOT_MAPPED;
/* MCS resources are same across all blocks */
mcs = mcs_get_pdata(0);
rsp->num_mcs_blks = rvu->mcs_blk_cnt;
rsp->tcam_entries = mcs->hw->tcam_entries;
rsp->secy_entries = mcs->hw->secy_entries;
rsp->sc_entries = mcs->hw->sc_entries;
rsp->sa_entries = mcs->hw->sa_entries;
return 0;
}
int rvu_mbox_handler_mcs_port_reset(struct rvu *rvu, struct mcs_port_reset_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_reset_port(mcs, req->port_id, req->reset);
return 0;
}
int rvu_mbox_handler_mcs_clear_stats(struct rvu *rvu,
struct mcs_clear_stats *req,
struct msg_rsp *rsp)
{
u16 pcifunc = req->hdr.pcifunc;
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mutex_lock(&mcs->stats_lock);
if (req->all)
mcs_clear_all_stats(mcs, pcifunc, req->dir);
else
mcs_clear_stats(mcs, req->type, req->id, req->dir);
mutex_unlock(&mcs->stats_lock);
return 0;
}
int rvu_mbox_handler_mcs_get_flowid_stats(struct rvu *rvu,
struct mcs_stats_req *req,
struct mcs_flowid_stats *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
/* In CNF10K-B, before reading the statistics,
* MCSX_MIL_GLOBAL.FORCE_CLK_EN_IP needs to be set
* to get accurate statistics
*/
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, true);
mutex_lock(&mcs->stats_lock);
mcs_get_flowid_stats(mcs, rsp, req->id, req->dir);
mutex_unlock(&mcs->stats_lock);
/* Clear MCSX_MIL_GLOBAL.FORCE_CLK_EN_IP after reading
* the statistics
*/
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, false);
return 0;
}
int rvu_mbox_handler_mcs_get_secy_stats(struct rvu *rvu,
struct mcs_stats_req *req,
struct mcs_secy_stats *rsp)
{ struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, true);
mutex_lock(&mcs->stats_lock);
if (req->dir == MCS_RX)
mcs_get_rx_secy_stats(mcs, rsp, req->id);
else
mcs_get_tx_secy_stats(mcs, rsp, req->id);
mutex_unlock(&mcs->stats_lock);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, false);
return 0;
}
int rvu_mbox_handler_mcs_get_sc_stats(struct rvu *rvu,
struct mcs_stats_req *req,
struct mcs_sc_stats *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, true);
mutex_lock(&mcs->stats_lock);
mcs_get_sc_stats(mcs, rsp, req->id, req->dir);
mutex_unlock(&mcs->stats_lock);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, false);
return 0;
}
int rvu_mbox_handler_mcs_get_sa_stats(struct rvu *rvu,
struct mcs_stats_req *req,
struct mcs_sa_stats *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, true);
mutex_lock(&mcs->stats_lock);
mcs_get_sa_stats(mcs, rsp, req->id, req->dir);
mutex_unlock(&mcs->stats_lock);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, false);
return 0;
}
int rvu_mbox_handler_mcs_get_port_stats(struct rvu *rvu,
struct mcs_stats_req *req,
struct mcs_port_stats *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, true);
mutex_lock(&mcs->stats_lock);
mcs_get_port_stats(mcs, rsp, req->id, req->dir);
mutex_unlock(&mcs->stats_lock);
if (mcs->hw->mcs_blks > 1)
mcs_set_force_clk_en(mcs, false);
return 0;
}
int rvu_mbox_handler_mcs_set_active_lmac(struct rvu *rvu,
struct mcs_set_active_lmac *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (!mcs)
return MCS_AF_ERR_NOT_MAPPED;
mcs->hw->lmac_bmap = req->lmac_bmap;
mcs_set_lmac_channels(req->mcs_id, req->chan_base);
return 0;
}
int rvu_mbox_handler_mcs_port_cfg_set(struct rvu *rvu, struct mcs_port_cfg_set_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (mcs->hw->lmac_cnt <= req->port_id || !(mcs->hw->lmac_bmap & BIT_ULL(req->port_id)))
return -EINVAL;
mcs_set_port_cfg(mcs, req);
return 0;
}
int rvu_mbox_handler_mcs_port_cfg_get(struct rvu *rvu, struct mcs_port_cfg_get_req *req,
struct mcs_port_cfg_get_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (mcs->hw->lmac_cnt <= req->port_id || !(mcs->hw->lmac_bmap & BIT_ULL(req->port_id)))
return -EINVAL;
mcs_get_port_cfg(mcs, req, rsp);
return 0;
}
int rvu_mbox_handler_mcs_custom_tag_cfg_get(struct rvu *rvu, struct mcs_custom_tag_cfg_get_req *req,
struct mcs_custom_tag_cfg_get_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_get_custom_tag_cfg(mcs, req, rsp);
return 0;
}
int rvu_mcs_flr_handler(struct rvu *rvu, u16 pcifunc)
{
struct mcs *mcs;
int mcs_id;
/* CNF10K-B mcs0-6 are mapped to RPM2-8*/
if (rvu->mcs_blk_cnt > 1) {
for (mcs_id = 0; mcs_id < rvu->mcs_blk_cnt; mcs_id++) {
mcs = mcs_get_pdata(mcs_id);
mcs_free_all_rsrc(mcs, MCS_RX, pcifunc);
mcs_free_all_rsrc(mcs, MCS_TX, pcifunc);
}
} else {
/* CN10K-B has only one mcs block */
mcs = mcs_get_pdata(0);
mcs_free_all_rsrc(mcs, MCS_RX, pcifunc);
mcs_free_all_rsrc(mcs, MCS_TX, pcifunc);
}
return 0;
}
int rvu_mbox_handler_mcs_flowid_ena_entry(struct rvu *rvu,
struct mcs_flowid_ena_dis_entry *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_ena_dis_flowid_entry(mcs, req->flow_id, req->dir, req->ena);
return 0;
}
int rvu_mbox_handler_mcs_pn_table_write(struct rvu *rvu,
struct mcs_pn_table_write_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_pn_table_write(mcs, req->pn_id, req->next_pn, req->dir);
return 0;
}
int rvu_mbox_handler_mcs_set_pn_threshold(struct rvu *rvu,
struct mcs_set_pn_threshold *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_pn_threshold_set(mcs, req);
return 0;
}
int rvu_mbox_handler_mcs_rx_sc_sa_map_write(struct rvu *rvu,
struct mcs_rx_sc_sa_map *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs->mcs_ops->mcs_rx_sa_mem_map_write(mcs, req);
return 0;
}
int rvu_mbox_handler_mcs_tx_sc_sa_map_write(struct rvu *rvu,
struct mcs_tx_sc_sa_map *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs->mcs_ops->mcs_tx_sa_mem_map_write(mcs, req);
mcs->tx_sa_active[req->sc_id] = req->tx_sa_active;
return 0;
}
int rvu_mbox_handler_mcs_sa_plcy_write(struct rvu *rvu,
struct mcs_sa_plcy_write_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
int i;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
for (i = 0; i < req->sa_cnt; i++)
mcs_sa_plcy_write(mcs, &req->plcy[i][0],
req->sa_index[i], req->dir);
return 0;
}
int rvu_mbox_handler_mcs_rx_sc_cam_write(struct rvu *rvu,
struct mcs_rx_sc_cam_write_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_rx_sc_cam_write(mcs, req->sci, req->secy_id, req->sc_id);
return 0;
}
int rvu_mbox_handler_mcs_secy_plcy_write(struct rvu *rvu,
struct mcs_secy_plcy_write_req *req,
struct msg_rsp *rsp)
{ struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mcs_secy_plcy_write(mcs, req->plcy,
req->secy_id, req->dir);
return 0;
}
int rvu_mbox_handler_mcs_flowid_entry_write(struct rvu *rvu,
struct mcs_flowid_entry_write_req *req,
struct msg_rsp *rsp)
{
struct secy_mem_map map;
struct mcs *mcs;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
/* TODO validate the flowid */
mcs_flowid_entry_write(mcs, req->data, req->mask,
req->flow_id, req->dir);
map.secy = req->secy_id;
map.sc = req->sc_id;
map.ctrl_pkt = req->ctrl_pkt;
map.flow_id = req->flow_id;
map.sci = req->sci;
mcs->mcs_ops->mcs_flowid_secy_map(mcs, &map, req->dir);
if (req->ena)
mcs_ena_dis_flowid_entry(mcs, req->flow_id,
req->dir, true);
return 0;
}
int rvu_mbox_handler_mcs_free_resources(struct rvu *rvu,
struct mcs_free_rsrc_req *req,
struct msg_rsp *rsp)
{
u16 pcifunc = req->hdr.pcifunc;
struct mcs_rsrc_map *map;
struct mcs *mcs;
int rc = 0;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (req->dir == MCS_RX)
map = &mcs->rx;
else
map = &mcs->tx;
mutex_lock(&rvu->rsrc_lock);
/* Free all the cam resources mapped to PF/VF */
if (req->all) {
rc = mcs_free_all_rsrc(mcs, req->dir, pcifunc);
goto exit;
}
switch (req->rsrc_type) {
case MCS_RSRC_TYPE_FLOWID:
rc = mcs_free_rsrc(&map->flow_ids, map->flowid2pf_map, req->rsrc_id, pcifunc);
mcs_ena_dis_flowid_entry(mcs, req->rsrc_id, req->dir, false);
break;
case MCS_RSRC_TYPE_SECY:
rc = mcs_free_rsrc(&map->secy, map->secy2pf_map, req->rsrc_id, pcifunc);
mcs_clear_secy_plcy(mcs, req->rsrc_id, req->dir);
break;
case MCS_RSRC_TYPE_SC:
rc = mcs_free_rsrc(&map->sc, map->sc2pf_map, req->rsrc_id, pcifunc);
/* Disable SC CAM only on RX side */
if (req->dir == MCS_RX)
mcs_ena_dis_sc_cam_entry(mcs, req->rsrc_id, false);
break;
case MCS_RSRC_TYPE_SA:
rc = mcs_free_rsrc(&map->sa, map->sa2pf_map, req->rsrc_id, pcifunc);
break;
}
exit:
mutex_unlock(&rvu->rsrc_lock);
return rc;
}
int rvu_mbox_handler_mcs_alloc_resources(struct rvu *rvu,
struct mcs_alloc_rsrc_req *req,
struct mcs_alloc_rsrc_rsp *rsp)
{
u16 pcifunc = req->hdr.pcifunc;
struct mcs_rsrc_map *map;
struct mcs *mcs;
int rsrc_id, i;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
if (req->dir == MCS_RX)
map = &mcs->rx;
else
map = &mcs->tx;
mutex_lock(&rvu->rsrc_lock);
if (req->all) {
rsrc_id = mcs_alloc_all_rsrc(mcs, &rsp->flow_ids[0],
&rsp->secy_ids[0],
&rsp->sc_ids[0],
&rsp->sa_ids[0],
&rsp->sa_ids[1],
pcifunc, req->dir);
goto exit;
}
switch (req->rsrc_type) {
case MCS_RSRC_TYPE_FLOWID:
for (i = 0; i < req->rsrc_cnt; i++) {
rsrc_id = mcs_alloc_rsrc(&map->flow_ids, map->flowid2pf_map, pcifunc);
if (rsrc_id < 0)
goto exit;
rsp->flow_ids[i] = rsrc_id;
rsp->rsrc_cnt++;
}
break;
case MCS_RSRC_TYPE_SECY:
for (i = 0; i < req->rsrc_cnt; i++) {
rsrc_id = mcs_alloc_rsrc(&map->secy, map->secy2pf_map, pcifunc);
if (rsrc_id < 0)
goto exit;
rsp->secy_ids[i] = rsrc_id;
rsp->rsrc_cnt++;
}
break;
case MCS_RSRC_TYPE_SC:
for (i = 0; i < req->rsrc_cnt; i++) {
rsrc_id = mcs_alloc_rsrc(&map->sc, map->sc2pf_map, pcifunc);
if (rsrc_id < 0)
goto exit;
rsp->sc_ids[i] = rsrc_id;
rsp->rsrc_cnt++;
}
break;
case MCS_RSRC_TYPE_SA:
for (i = 0; i < req->rsrc_cnt; i++) {
rsrc_id = mcs_alloc_rsrc(&map->sa, map->sa2pf_map, pcifunc);
if (rsrc_id < 0)
goto exit;
rsp->sa_ids[i] = rsrc_id;
rsp->rsrc_cnt++;
}
break;
}
rsp->rsrc_type = req->rsrc_type;
rsp->dir = req->dir;
rsp->mcs_id = req->mcs_id;
rsp->all = req->all;
exit:
if (rsrc_id < 0)
dev_err(rvu->dev, "Failed to allocate the mcs resources for PCIFUNC:%d\n", pcifunc);
mutex_unlock(&rvu->rsrc_lock);
return 0;
}
int rvu_mbox_handler_mcs_alloc_ctrl_pkt_rule(struct rvu *rvu,
struct mcs_alloc_ctrl_pkt_rule_req *req,
struct mcs_alloc_ctrl_pkt_rule_rsp *rsp)
{
u16 pcifunc = req->hdr.pcifunc;
struct mcs_rsrc_map *map;
struct mcs *mcs;
int rsrc_id;
u16 offset;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
map = (req->dir == MCS_RX) ? &mcs->rx : &mcs->tx;
mutex_lock(&rvu->rsrc_lock);
switch (req->rule_type) {
case MCS_CTRL_PKT_RULE_TYPE_ETH:
offset = MCS_CTRLPKT_ETYPE_RULE_OFFSET;
break;
case MCS_CTRL_PKT_RULE_TYPE_DA:
offset = MCS_CTRLPKT_DA_RULE_OFFSET;
break;
case MCS_CTRL_PKT_RULE_TYPE_RANGE:
offset = MCS_CTRLPKT_DA_RANGE_RULE_OFFSET;
break;
case MCS_CTRL_PKT_RULE_TYPE_COMBO:
offset = MCS_CTRLPKT_COMBO_RULE_OFFSET;
break;
case MCS_CTRL_PKT_RULE_TYPE_MAC:
offset = MCS_CTRLPKT_MAC_EN_RULE_OFFSET;
break;
}
rsrc_id = mcs_alloc_ctrlpktrule(&map->ctrlpktrule, map->ctrlpktrule2pf_map, offset,
pcifunc);
if (rsrc_id < 0)
goto exit;
rsp->rule_idx = rsrc_id;
rsp->rule_type = req->rule_type;
rsp->dir = req->dir;
rsp->mcs_id = req->mcs_id;
mutex_unlock(&rvu->rsrc_lock);
return 0;
exit:
if (rsrc_id < 0)
dev_err(rvu->dev, "Failed to allocate the mcs ctrl pkt rule for PCIFUNC:%d\n",
pcifunc);
mutex_unlock(&rvu->rsrc_lock);
return rsrc_id;
}
int rvu_mbox_handler_mcs_free_ctrl_pkt_rule(struct rvu *rvu,
struct mcs_free_ctrl_pkt_rule_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
int rc;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
mutex_lock(&rvu->rsrc_lock);
rc = mcs_free_ctrlpktrule(mcs, req);
mutex_unlock(&rvu->rsrc_lock);
return rc;
}
int rvu_mbox_handler_mcs_ctrl_pkt_rule_write(struct rvu *rvu,
struct mcs_ctrl_pkt_rule_write_req *req,
struct msg_rsp *rsp)
{
struct mcs *mcs;
int rc;
if (req->mcs_id >= rvu->mcs_blk_cnt)
return MCS_AF_ERR_INVALID_MCSID;
mcs = mcs_get_pdata(req->mcs_id);
rc = mcs_ctrlpktrule_write(mcs, req);
return rc;
}
static void rvu_mcs_set_lmac_bmap(struct rvu *rvu)
{
struct mcs *mcs = mcs_get_pdata(0);
unsigned long lmac_bmap;
int cgx, lmac, port;
for (port = 0; port < mcs->hw->lmac_cnt; port++) {
cgx = port / rvu->hw->lmac_per_cgx;
lmac = port % rvu->hw->lmac_per_cgx;
if (!is_lmac_valid(rvu_cgx_pdata(cgx, rvu), lmac))
continue;
set_bit(port, &lmac_bmap);
}
mcs->hw->lmac_bmap = lmac_bmap;
}
int rvu_mcs_init(struct rvu *rvu)
{
struct rvu_hwinfo *hw = rvu->hw;
int lmac, err = 0, mcs_id;
struct mcs *mcs;
rvu->mcs_blk_cnt = mcs_get_blkcnt();
if (!rvu->mcs_blk_cnt)
return 0;
/* Needed only for CN10K-B */
if (rvu->mcs_blk_cnt == 1) {
err = mcs_set_lmac_channels(0, hw->cgx_chan_base);
if (err)
return err;
/* Set active lmacs */
rvu_mcs_set_lmac_bmap(rvu);
}
/* Install default tcam bypass entry and set port to operational mode */
for (mcs_id = 0; mcs_id < rvu->mcs_blk_cnt; mcs_id++) {
mcs = mcs_get_pdata(mcs_id);
mcs_install_flowid_bypass_entry(mcs);
for (lmac = 0; lmac < mcs->hw->lmac_cnt; lmac++)
mcs_set_lmac_mode(mcs, lmac, 0);
mcs->rvu = rvu;
/* Allocated memory for PFVF data */
mcs->pf = devm_kcalloc(mcs->dev, hw->total_pfs,
sizeof(struct mcs_pfvf), GFP_KERNEL);
if (!mcs->pf)
return -ENOMEM;
mcs->vf = devm_kcalloc(mcs->dev, hw->total_vfs,
sizeof(struct mcs_pfvf), GFP_KERNEL);
if (!mcs->vf)
return -ENOMEM;
}
/* Initialize the wq for handling mcs interrupts */
INIT_LIST_HEAD(&rvu->mcs_intrq_head);
INIT_WORK(&rvu->mcs_intr_work, mcs_intr_handler_task);
rvu->mcs_intr_wq = alloc_workqueue("mcs_intr_wq", 0, 0);
if (!rvu->mcs_intr_wq) {
dev_err(rvu->dev, "mcs alloc workqueue failed\n");
return -ENOMEM;
}
return err;
}
void rvu_mcs_exit(struct rvu *rvu)
{
if (!rvu->mcs_intr_wq)
return;
flush_workqueue(rvu->mcs_intr_wq);
destroy_workqueue(rvu->mcs_intr_wq);
rvu->mcs_intr_wq = NULL;
}