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Merge branch 'octeontx2-af-fixes'
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Sai Krishna says:

====================
octeontx2: Miscellaneous fixes

This patchset includes following fixes.

Patch #1 Fix for the race condition while updating APR table

Patch #2 Fix end bit position in NPC scan config

Patch #3 Fix depth of CAM, MEM table entries

Patch #4 Fix in increase the size of DMAC filter flows

Patch #5 Fix driver crash resulting from invalid interface type
information retrieved from firmware

Patch #6 Fix incorrect mask used while installing filters involving
fragmented packets

Patch torvalds#7 Fixes for NPC field hash extract w.r.t IPV6 hash reduction,
         IPV6 filed hash configuration.

Patch torvalds#8 Fix for NPC hardware parser configuration destination
         address hash, IPV6 endianness issues.

Patch torvalds#9 Fix for skipping mbox initialization for PFs disabled by firmware.

Patch torvalds#10 Fix disabling packet I/O in case of mailbox timeout.

Patch torvalds#11 Fix detaching LF resources in case of VF probe fail.
====================

Signed-off-by: David S. Miller <[email protected]>
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@davem330
davem330 committed May 3, 2023
2 parents 9e08dce + 99ae126 commit 2dce08a
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Showing 13 changed files with 187 additions and 91 deletions.
8 changes: 8 additions & 0 deletions drivers/net/ethernet/marvell/octeontx2/af/cgx.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1231,6 +1231,14 @@ static inline void link_status_user_format(u64 lstat,
linfo->an = FIELD_GET(RESP_LINKSTAT_AN, lstat);
linfo->fec = FIELD_GET(RESP_LINKSTAT_FEC, lstat);
linfo->lmac_type_id = FIELD_GET(RESP_LINKSTAT_LMAC_TYPE, lstat);

if (linfo->lmac_type_id >= LMAC_MODE_MAX) {
dev_err(&cgx->pdev->dev, "Unknown lmac_type_id %d reported by firmware on cgx port%d:%d",
linfo->lmac_type_id, cgx->cgx_id, lmac_id);
strncpy(linfo->lmac_type, "Unknown", LMACTYPE_STR_LEN - 1);
return;
}

lmac_string = cgx_lmactype_string[linfo->lmac_type_id];
strncpy(linfo->lmac_type, lmac_string, LMACTYPE_STR_LEN - 1);
}
Expand Down
5 changes: 4 additions & 1 deletion drivers/net/ethernet/marvell/octeontx2/af/mbox.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ EXPORT_SYMBOL(otx2_mbox_init);
*/
int otx2_mbox_regions_init(struct otx2_mbox *mbox, void **hwbase,
struct pci_dev *pdev, void *reg_base,
int direction, int ndevs)
int direction, int ndevs, unsigned long *pf_bmap)
{
struct otx2_mbox_dev *mdev;
int devid, err;
Expand All @@ -169,6 +169,9 @@ int otx2_mbox_regions_init(struct otx2_mbox *mbox, void **hwbase,
mbox->hwbase = hwbase[0];

for (devid = 0; devid < ndevs; devid++) {
if (!test_bit(devid, pf_bmap))
continue;

mdev = &mbox->dev[devid];
mdev->mbase = hwbase[devid];
mdev->hwbase = hwbase[devid];
Expand Down
19 changes: 13 additions & 6 deletions drivers/net/ethernet/marvell/octeontx2/af/mbox.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -96,9 +96,10 @@ void otx2_mbox_destroy(struct otx2_mbox *mbox);
int otx2_mbox_init(struct otx2_mbox *mbox, void __force *hwbase,
struct pci_dev *pdev, void __force *reg_base,
int direction, int ndevs);

int otx2_mbox_regions_init(struct otx2_mbox *mbox, void __force **hwbase,
struct pci_dev *pdev, void __force *reg_base,
int direction, int ndevs);
int direction, int ndevs, unsigned long *bmap);
void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid);
int otx2_mbox_wait_for_rsp(struct otx2_mbox *mbox, int devid);
int otx2_mbox_busy_poll_for_rsp(struct otx2_mbox *mbox, int devid);
Expand Down Expand Up @@ -245,9 +246,9 @@ M(NPC_MCAM_READ_BASE_RULE, 0x6011, npc_read_base_steer_rule, \
M(NPC_MCAM_GET_STATS, 0x6012, npc_mcam_entry_stats, \
npc_mcam_get_stats_req, \
npc_mcam_get_stats_rsp) \
M(NPC_GET_SECRET_KEY, 0x6013, npc_get_secret_key, \
npc_get_secret_key_req, \
npc_get_secret_key_rsp) \
M(NPC_GET_FIELD_HASH_INFO, 0x6013, npc_get_field_hash_info, \
npc_get_field_hash_info_req, \
npc_get_field_hash_info_rsp) \
M(NPC_GET_FIELD_STATUS, 0x6014, npc_get_field_status, \
npc_get_field_status_req, \
npc_get_field_status_rsp) \
Expand Down Expand Up @@ -1524,14 +1525,20 @@ struct npc_mcam_get_stats_rsp {
u8 stat_ena; /* enabled */
};

struct npc_get_secret_key_req {
struct npc_get_field_hash_info_req {
struct mbox_msghdr hdr;
u8 intf;
};

struct npc_get_secret_key_rsp {
struct npc_get_field_hash_info_rsp {
struct mbox_msghdr hdr;
u64 secret_key[3];
#define NPC_MAX_HASH 2
#define NPC_MAX_HASH_MASK 2
/* NPC_AF_INTF(0..1)_HASH(0..1)_MASK(0..1) */
u64 hash_mask[NPC_MAX_INTF][NPC_MAX_HASH][NPC_MAX_HASH_MASK];
/* NPC_AF_INTF(0..1)_HASH(0..1)_RESULT_CTRL */
u64 hash_ctrl[NPC_MAX_INTF][NPC_MAX_HASH];
};

enum ptp_op {
Expand Down
49 changes: 40 additions & 9 deletions drivers/net/ethernet/marvell/octeontx2/af/rvu.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2282,7 +2282,7 @@ static inline void rvu_afvf_mbox_up_handler(struct work_struct *work)
}

static int rvu_get_mbox_regions(struct rvu *rvu, void **mbox_addr,
int num, int type)
int num, int type, unsigned long *pf_bmap)
{
struct rvu_hwinfo *hw = rvu->hw;
int region;
Expand All @@ -2294,6 +2294,9 @@ static int rvu_get_mbox_regions(struct rvu *rvu, void **mbox_addr,
*/
if (type == TYPE_AFVF) {
for (region = 0; region < num; region++) {
if (!test_bit(region, pf_bmap))
continue;

if (hw->cap.per_pf_mbox_regs) {
bar4 = rvu_read64(rvu, BLKADDR_RVUM,
RVU_AF_PFX_BAR4_ADDR(0)) +
Expand All @@ -2315,6 +2318,9 @@ static int rvu_get_mbox_regions(struct rvu *rvu, void **mbox_addr,
* RVU_AF_PF_BAR4_ADDR register.
*/
for (region = 0; region < num; region++) {
if (!test_bit(region, pf_bmap))
continue;

if (hw->cap.per_pf_mbox_regs) {
bar4 = rvu_read64(rvu, BLKADDR_RVUM,
RVU_AF_PFX_BAR4_ADDR(region));
Expand Down Expand Up @@ -2343,20 +2349,41 @@ static int rvu_mbox_init(struct rvu *rvu, struct mbox_wq_info *mw,
int err = -EINVAL, i, dir, dir_up;
void __iomem *reg_base;
struct rvu_work *mwork;
unsigned long *pf_bmap;
void **mbox_regions;
const char *name;
u64 cfg;

mbox_regions = kcalloc(num, sizeof(void *), GFP_KERNEL);
if (!mbox_regions)
pf_bmap = bitmap_zalloc(num, GFP_KERNEL);
if (!pf_bmap)
return -ENOMEM;

/* RVU VFs */
if (type == TYPE_AFVF)
bitmap_set(pf_bmap, 0, num);

if (type == TYPE_AFPF) {
/* Mark enabled PFs in bitmap */
for (i = 0; i < num; i++) {
cfg = rvu_read64(rvu, BLKADDR_RVUM, RVU_PRIV_PFX_CFG(i));
if (cfg & BIT_ULL(20))
set_bit(i, pf_bmap);
}
}

mbox_regions = kcalloc(num, sizeof(void *), GFP_KERNEL);
if (!mbox_regions) {
err = -ENOMEM;
goto free_bitmap;
}

switch (type) {
case TYPE_AFPF:
name = "rvu_afpf_mailbox";
dir = MBOX_DIR_AFPF;
dir_up = MBOX_DIR_AFPF_UP;
reg_base = rvu->afreg_base;
err = rvu_get_mbox_regions(rvu, mbox_regions, num, TYPE_AFPF);
err = rvu_get_mbox_regions(rvu, mbox_regions, num, TYPE_AFPF, pf_bmap);
if (err)
goto free_regions;
break;
Expand All @@ -2365,7 +2392,7 @@ static int rvu_mbox_init(struct rvu *rvu, struct mbox_wq_info *mw,
dir = MBOX_DIR_PFVF;
dir_up = MBOX_DIR_PFVF_UP;
reg_base = rvu->pfreg_base;
err = rvu_get_mbox_regions(rvu, mbox_regions, num, TYPE_AFVF);
err = rvu_get_mbox_regions(rvu, mbox_regions, num, TYPE_AFVF, pf_bmap);
if (err)
goto free_regions;
break;
Expand Down Expand Up @@ -2396,16 +2423,19 @@ static int rvu_mbox_init(struct rvu *rvu, struct mbox_wq_info *mw,
}

err = otx2_mbox_regions_init(&mw->mbox, mbox_regions, rvu->pdev,
reg_base, dir, num);
reg_base, dir, num, pf_bmap);
if (err)
goto exit;

err = otx2_mbox_regions_init(&mw->mbox_up, mbox_regions, rvu->pdev,
reg_base, dir_up, num);
reg_base, dir_up, num, pf_bmap);
if (err)
goto exit;

for (i = 0; i < num; i++) {
if (!test_bit(i, pf_bmap))
continue;

mwork = &mw->mbox_wrk[i];
mwork->rvu = rvu;
INIT_WORK(&mwork->work, mbox_handler);
Expand All @@ -2414,8 +2444,7 @@ static int rvu_mbox_init(struct rvu *rvu, struct mbox_wq_info *mw,
mwork->rvu = rvu;
INIT_WORK(&mwork->work, mbox_up_handler);
}
kfree(mbox_regions);
return 0;
goto free_regions;

exit:
destroy_workqueue(mw->mbox_wq);
Expand All @@ -2424,6 +2453,8 @@ static int rvu_mbox_init(struct rvu *rvu, struct mbox_wq_info *mw,
iounmap((void __iomem *)mbox_regions[num]);
free_regions:
kfree(mbox_regions);
free_bitmap:
bitmap_free(pf_bmap);
return err;
}

Expand Down
13 changes: 8 additions & 5 deletions drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -60,13 +60,14 @@ static int rvu_get_lmtaddr(struct rvu *rvu, u16 pcifunc,
u64 iova, u64 *lmt_addr)
{
u64 pa, val, pf;
int err;
int err = 0;

if (!iova) {
dev_err(rvu->dev, "%s Requested Null address for transulation\n", __func__);
return -EINVAL;
}

mutex_lock(&rvu->rsrc_lock);
rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_ADDR_REQ, iova);
pf = rvu_get_pf(pcifunc) & 0x1F;
val = BIT_ULL(63) | BIT_ULL(14) | BIT_ULL(13) | pf << 8 |
Expand All @@ -76,21 +77,23 @@ static int rvu_get_lmtaddr(struct rvu *rvu, u16 pcifunc,
err = rvu_poll_reg(rvu, BLKADDR_RVUM, RVU_AF_SMMU_ADDR_RSP_STS, BIT_ULL(0), false);
if (err) {
dev_err(rvu->dev, "%s LMTLINE iova transulation failed\n", __func__);
return err;
goto exit;
}
val = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_ADDR_RSP_STS);
if (val & ~0x1ULL) {
dev_err(rvu->dev, "%s LMTLINE iova transulation failed err:%llx\n", __func__, val);
return -EIO;
err = -EIO;
goto exit;
}
/* PA[51:12] = RVU_AF_SMMU_TLN_FLIT0[57:18]
* PA[11:0] = IOVA[11:0]
*/
pa = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_TLN_FLIT0) >> 18;
pa &= GENMASK_ULL(39, 0);
*lmt_addr = (pa << 12) | (iova & 0xFFF);

return 0;
exit:
mutex_unlock(&rvu->rsrc_lock);
return err;
}

static int rvu_update_lmtaddr(struct rvu *rvu, u16 pcifunc, u64 lmt_addr)
Expand Down
26 changes: 17 additions & 9 deletions drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,11 +13,6 @@
#include "rvu_npc_fs.h"
#include "rvu_npc_hash.h"

#define NPC_BYTESM GENMASK_ULL(19, 16)
#define NPC_HDR_OFFSET GENMASK_ULL(15, 8)
#define NPC_KEY_OFFSET GENMASK_ULL(5, 0)
#define NPC_LDATA_EN BIT_ULL(7)

static const char * const npc_flow_names[] = {
[NPC_DMAC] = "dmac",
[NPC_SMAC] = "smac",
Expand Down Expand Up @@ -442,6 +437,7 @@ static void npc_handle_multi_layer_fields(struct rvu *rvu, int blkaddr, u8 intf)
static void npc_scan_ldata(struct rvu *rvu, int blkaddr, u8 lid,
u8 lt, u64 cfg, u8 intf)
{
struct npc_mcam_kex_hash *mkex_hash = rvu->kpu.mkex_hash;
struct npc_mcam *mcam = &rvu->hw->mcam;
u8 hdr, key, nr_bytes, bit_offset;
u8 la_ltype, la_start;
Expand Down Expand Up @@ -490,8 +486,21 @@ do { \
NPC_SCAN_HDR(NPC_SIP_IPV4, NPC_LID_LC, NPC_LT_LC_IP, 12, 4);
NPC_SCAN_HDR(NPC_DIP_IPV4, NPC_LID_LC, NPC_LT_LC_IP, 16, 4);
NPC_SCAN_HDR(NPC_IPFRAG_IPV6, NPC_LID_LC, NPC_LT_LC_IP6_EXT, 6, 1);
NPC_SCAN_HDR(NPC_SIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 8, 16);
NPC_SCAN_HDR(NPC_DIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 24, 16);
if (rvu->hw->cap.npc_hash_extract) {
if (mkex_hash->lid_lt_ld_hash_en[intf][lid][lt][0])
NPC_SCAN_HDR(NPC_SIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 8, 4);
else
NPC_SCAN_HDR(NPC_SIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 8, 16);

if (mkex_hash->lid_lt_ld_hash_en[intf][lid][lt][1])
NPC_SCAN_HDR(NPC_DIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 24, 4);
else
NPC_SCAN_HDR(NPC_DIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 24, 16);
} else {
NPC_SCAN_HDR(NPC_SIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 8, 16);
NPC_SCAN_HDR(NPC_DIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 24, 16);
}

NPC_SCAN_HDR(NPC_SPORT_UDP, NPC_LID_LD, NPC_LT_LD_UDP, 0, 2);
NPC_SCAN_HDR(NPC_DPORT_UDP, NPC_LID_LD, NPC_LT_LD_UDP, 2, 2);
NPC_SCAN_HDR(NPC_SPORT_TCP, NPC_LID_LD, NPC_LT_LD_TCP, 0, 2);
Expand Down Expand Up @@ -594,8 +603,7 @@ static int npc_scan_kex(struct rvu *rvu, int blkaddr, u8 intf)
*/
masked_cfg = cfg & NPC_EXACT_NIBBLE;
bitnr = NPC_EXACT_NIBBLE_START;
for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg,
NPC_EXACT_NIBBLE_START) {
for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg, NPC_EXACT_NIBBLE_END + 1) {
npc_scan_exact_result(mcam, bitnr, key_nibble, intf);
key_nibble++;
}
Expand Down
4 changes: 4 additions & 0 deletions drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@
#define __RVU_NPC_FS_H

#define IPV6_WORDS 4
#define NPC_BYTESM GENMASK_ULL(19, 16)
#define NPC_HDR_OFFSET GENMASK_ULL(15, 8)
#define NPC_KEY_OFFSET GENMASK_ULL(5, 0)
#define NPC_LDATA_EN BIT_ULL(7)

void npc_update_entry(struct rvu *rvu, enum key_fields type,
struct mcam_entry *entry, u64 val_lo,
Expand Down
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