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authorDavid S. Miller <davem@davemloft.net>2021-07-23 15:59:46 +0100
committerDavid S. Miller <davem@davemloft.net>2021-07-23 16:13:06 +0100
commit5af84df962dd6699e3972fda7a0c8b579fb3ab04 (patch)
tree0a66f54c99c0c0d22588304d030ecb752487dfa1 /drivers/net/ethernet/marvell
parent090597b4a9c1b81b03fd7cfb4ba458a0e7a78b31 (diff)
parent9f42f674a89200d4f465a7db6070e079f3c6145f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts are simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/Makefile2
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.c10
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.h21
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c3
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c5
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c48
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c36
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c47
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c29
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c258
10 files changed, 427 insertions, 32 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/Makefile b/drivers/net/ethernet/marvell/octeontx2/af/Makefile
index 1a3455620b38..cc8ac36cf687 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/Makefile
+++ b/drivers/net/ethernet/marvell/octeontx2/af/Makefile
@@ -10,4 +10,4 @@ obj-$(CONFIG_OCTEONTX2_AF) += rvu_af.o
rvu_mbox-y := mbox.o rvu_trace.o
rvu_af-y := cgx.o rvu.o rvu_cgx.o rvu_npa.o rvu_nix.o \
rvu_reg.o rvu_npc.o rvu_debugfs.o ptp.o rvu_npc_fs.o \
- rvu_cpt.o rvu_devlink.o rpm.o rvu_cn10k.o
+ rvu_cpt.o rvu_devlink.o rpm.o rvu_cn10k.o rvu_switch.o
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 10cddf1ac7b9..017163fb3cd5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -1314,7 +1314,7 @@ int rvu_mbox_handler_detach_resources(struct rvu *rvu,
return rvu_detach_rsrcs(rvu, detach, detach->hdr.pcifunc);
}
-static int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc)
+int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc)
{
struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
int blkaddr = BLKADDR_NIX0, vf;
@@ -2859,6 +2859,12 @@ static int rvu_enable_sriov(struct rvu *rvu)
if (!vfs)
return 0;
+ /* LBK channel number 63 is used for switching packets between
+ * CGX mapped VFs. Hence limit LBK pairs till 62 only.
+ */
+ if (vfs > 62)
+ vfs = 62;
+
/* Save VFs number for reference in VF interrupts handlers.
* Since interrupts might start arriving during SRIOV enablement
* ordinary API cannot be used to get number of enabled VFs.
@@ -3001,6 +3007,8 @@ static int rvu_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* Initialize debugfs */
rvu_dbg_init(rvu);
+ mutex_init(&rvu->rswitch.switch_lock);
+
return 0;
err_dl:
rvu_unregister_dl(rvu);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 10e58a5d5861..91503fb2762c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -415,6 +415,16 @@ struct npc_kpu_profile_adapter {
size_t kpus;
};
+#define RVU_SWITCH_LBK_CHAN 63
+
+struct rvu_switch {
+ struct mutex switch_lock; /* Serialize flow installation */
+ u32 used_entries;
+ u16 *entry2pcifunc;
+ u16 mode;
+ u16 start_entry;
+};
+
struct rvu {
void __iomem *afreg_base;
void __iomem *pfreg_base;
@@ -445,6 +455,7 @@ struct rvu {
/* CGX */
#define PF_CGXMAP_BASE 1 /* PF 0 is reserved for RVU PF */
+ u16 cgx_mapped_vfs; /* maximum CGX mapped VFs */
u8 cgx_mapped_pfs;
u8 cgx_cnt_max; /* CGX port count max */
u8 *pf2cgxlmac_map; /* pf to cgx_lmac map */
@@ -477,6 +488,9 @@ struct rvu {
struct rvu_debugfs rvu_dbg;
#endif
struct rvu_devlink *rvu_dl;
+
+ /* RVU switch implementation over NPC with DMAC rules */
+ struct rvu_switch rswitch;
};
static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
@@ -691,6 +705,7 @@ int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw,
struct nix_cn10k_aq_enq_req *aq_req,
struct nix_cn10k_aq_enq_rsp *aq_rsp,
u16 pcifunc, u8 ctype, u32 qidx);
+int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc);
/* NPC APIs */
int rvu_npc_init(struct rvu *rvu);
@@ -768,4 +783,10 @@ void rvu_dbg_exit(struct rvu *rvu);
static inline void rvu_dbg_init(struct rvu *rvu) {}
static inline void rvu_dbg_exit(struct rvu *rvu) {}
#endif
+
+/* RVU Switch */
+void rvu_switch_enable(struct rvu *rvu);
+void rvu_switch_disable(struct rvu *rvu);
+void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc);
+
#endif /* RVU_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 6cc8fbb7190c..fe99ac4a4dd8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -126,6 +126,7 @@ static int rvu_map_cgx_lmac_pf(struct rvu *rvu)
unsigned long lmac_bmap;
int size, free_pkind;
int cgx, lmac, iter;
+ int numvfs, hwvfs;
if (!cgx_cnt_max)
return 0;
@@ -166,6 +167,8 @@ static int rvu_map_cgx_lmac_pf(struct rvu *rvu)
pkind->pfchan_map[free_pkind] = ((pf) & 0x3F) << 16;
rvu_map_cgx_nix_block(rvu, pf, cgx, lmac);
rvu->cgx_mapped_pfs++;
+ rvu_get_pf_numvfs(rvu, pf, &numvfs, &hwvfs);
+ rvu->cgx_mapped_vfs += numvfs;
pf++;
}
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index 370d4ca1e5ed..9b2dfbf90e51 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -2113,9 +2113,6 @@ static void rvu_print_npc_mcam_info(struct seq_file *s,
int entry_acnt, entry_ecnt;
int cntr_acnt, cntr_ecnt;
- /* Skip PF0 */
- if (!pcifunc)
- return;
rvu_npc_get_mcam_entry_alloc_info(rvu, pcifunc, blkaddr,
&entry_acnt, &entry_ecnt);
rvu_npc_get_mcam_counter_alloc_info(rvu, pcifunc, blkaddr,
@@ -2298,7 +2295,7 @@ static void rvu_dbg_npc_mcam_show_flows(struct seq_file *s,
static void rvu_dbg_npc_mcam_show_action(struct seq_file *s,
struct rvu_npc_mcam_rule *rule)
{
- if (rule->intf == NIX_INTF_TX) {
+ if (is_npc_intf_tx(rule->intf)) {
switch (rule->tx_action.op) {
case NIX_TX_ACTIONOP_DROP:
seq_puts(s, "\taction: Drop\n");
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c
index 10a98bcb7c54..2688186066d9 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c
@@ -1364,6 +1364,44 @@ static void rvu_health_reporters_destroy(struct rvu *rvu)
rvu_nix_health_reporters_destroy(rvu_dl);
}
+static int rvu_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode)
+{
+ struct rvu_devlink *rvu_dl = devlink_priv(devlink);
+ struct rvu *rvu = rvu_dl->rvu;
+ struct rvu_switch *rswitch;
+
+ rswitch = &rvu->rswitch;
+ *mode = rswitch->mode;
+
+ return 0;
+}
+
+static int rvu_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
+ struct netlink_ext_ack *extack)
+{
+ struct rvu_devlink *rvu_dl = devlink_priv(devlink);
+ struct rvu *rvu = rvu_dl->rvu;
+ struct rvu_switch *rswitch;
+
+ rswitch = &rvu->rswitch;
+ switch (mode) {
+ case DEVLINK_ESWITCH_MODE_LEGACY:
+ case DEVLINK_ESWITCH_MODE_SWITCHDEV:
+ if (rswitch->mode == mode)
+ return 0;
+ rswitch->mode = mode;
+ if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV)
+ rvu_switch_enable(rvu);
+ else
+ rvu_switch_disable(rvu);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int rvu_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
@@ -1372,6 +1410,8 @@ static int rvu_devlink_info_get(struct devlink *devlink, struct devlink_info_req
static const struct devlink_ops rvu_devlink_ops = {
.info_get = rvu_devlink_info_get,
+ .eswitch_mode_get = rvu_devlink_eswitch_mode_get,
+ .eswitch_mode_set = rvu_devlink_eswitch_mode_set,
};
int rvu_register_dl(struct rvu *rvu)
@@ -1380,14 +1420,9 @@ int rvu_register_dl(struct rvu *rvu)
struct devlink *dl;
int err;
- rvu_dl = kzalloc(sizeof(*rvu_dl), GFP_KERNEL);
- if (!rvu_dl)
- return -ENOMEM;
-
dl = devlink_alloc(&rvu_devlink_ops, sizeof(struct rvu_devlink));
if (!dl) {
dev_warn(rvu->dev, "devlink_alloc failed\n");
- kfree(rvu_dl);
return -ENOMEM;
}
@@ -1395,10 +1430,10 @@ int rvu_register_dl(struct rvu *rvu)
if (err) {
dev_err(rvu->dev, "devlink register failed with error %d\n", err);
devlink_free(dl);
- kfree(rvu_dl);
return err;
}
+ rvu_dl = devlink_priv(dl);
rvu_dl->dl = dl;
rvu_dl->rvu = rvu;
rvu->rvu_dl = rvu_dl;
@@ -1417,5 +1452,4 @@ void rvu_unregister_dl(struct rvu *rvu)
rvu_health_reporters_destroy(rvu);
devlink_unregister(dl);
devlink_free(dl);
- kfree(rvu_dl);
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index aeae37704428..0933699a0d2d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -1952,6 +1952,35 @@ static void nix_tl1_default_cfg(struct rvu *rvu, struct nix_hw *nix_hw,
pfvf_map[schq] = TXSCH_SET_FLAG(pfvf_map[schq], NIX_TXSCHQ_CFG_DONE);
}
+static void rvu_nix_tx_tl2_cfg(struct rvu *rvu, int blkaddr,
+ u16 pcifunc, struct nix_txsch *txsch)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ int lbk_link_start, lbk_links;
+ u8 pf = rvu_get_pf(pcifunc);
+ int schq;
+
+ if (!is_pf_cgxmapped(rvu, pf))
+ return;
+
+ lbk_link_start = hw->cgx_links;
+
+ for (schq = 0; schq < txsch->schq.max; schq++) {
+ if (TXSCH_MAP_FUNC(txsch->pfvf_map[schq]) != pcifunc)
+ continue;
+ /* Enable all LBK links with channel 63 by default so that
+ * packets can be sent to LBK with a NPC TX MCAM rule
+ */
+ lbk_links = hw->lbk_links;
+ while (lbk_links--)
+ rvu_write64(rvu, blkaddr,
+ NIX_AF_TL3_TL2X_LINKX_CFG(schq,
+ lbk_link_start +
+ lbk_links),
+ BIT_ULL(12) | RVU_SWITCH_LBK_CHAN);
+ }
+}
+
int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
struct nix_txschq_config *req,
struct msg_rsp *rsp)
@@ -2040,6 +2069,9 @@ int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
rvu_write64(rvu, blkaddr, reg, regval);
}
+ rvu_nix_tx_tl2_cfg(rvu, blkaddr, pcifunc,
+ &nix_hw->txsch[NIX_TXSCH_LVL_TL2]);
+
return 0;
}
@@ -3180,6 +3212,8 @@ int rvu_mbox_handler_nix_set_mac_addr(struct rvu *rvu,
if (test_bit(PF_SET_VF_TRUSTED, &pfvf->flags) && from_vf)
ether_addr_copy(pfvf->default_mac, req->mac_addr);
+ rvu_switch_update_rules(rvu, pcifunc);
+
return 0;
}
@@ -3849,6 +3883,8 @@ int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req,
pfvf = rvu_get_pfvf(rvu, pcifunc);
set_bit(NIXLF_INITIALIZED, &pfvf->flags);
+ rvu_switch_update_rules(rvu, pcifunc);
+
return rvu_cgx_start_stop_io(rvu, pcifunc, true);
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index 3612e0a2cab3..1097291aaa45 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -442,7 +442,8 @@ static void npc_fixup_vf_rule(struct rvu *rvu, struct npc_mcam *mcam,
owner = mcam->entry2pfvf_map[index];
target_func = (entry->action >> 4) & 0xffff;
/* do nothing when target is LBK/PF or owner is not PF */
- if (is_afvf(target_func) || (owner & RVU_PFVF_FUNC_MASK) ||
+ if (is_pffunc_af(owner) || is_afvf(target_func) ||
+ (owner & RVU_PFVF_FUNC_MASK) ||
!(target_func & RVU_PFVF_FUNC_MASK))
return;
@@ -468,6 +469,8 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
{
int bank = npc_get_bank(mcam, index);
int kw = 0, actbank, actindex;
+ u8 tx_intf_mask = ~intf & 0x3;
+ u8 tx_intf = intf;
u64 cam0, cam1;
actbank = bank; /* Save bank id, to set action later on */
@@ -488,12 +491,21 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
*/
for (; bank < (actbank + mcam->banks_per_entry); bank++, kw = kw + 2) {
/* Interface should be set in all banks */
+ if (is_npc_intf_tx(intf)) {
+ /* Last bit must be set and rest don't care
+ * for TX interfaces
+ */
+ tx_intf_mask = 0x1;
+ tx_intf = intf & tx_intf_mask;
+ tx_intf_mask = ~tx_intf & tx_intf_mask;
+ }
+
rvu_write64(rvu, blkaddr,
NPC_AF_MCAMEX_BANKX_CAMX_INTF(index, bank, 1),
- intf);
+ tx_intf);
rvu_write64(rvu, blkaddr,
NPC_AF_MCAMEX_BANKX_CAMX_INTF(index, bank, 0),
- ~intf & 0x3);
+ tx_intf_mask);
/* Set the match key */
npc_get_keyword(entry, kw, &cam0, &cam1);
@@ -650,6 +662,7 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
eth_broadcast_addr((u8 *)&req.mask.dmac);
req.features = BIT_ULL(NPC_DMAC);
req.channel = chan;
+ req.chan_mask = 0xFFFU;
req.intf = pfvf->nix_rx_intf;
req.op = action.op;
req.hdr.pcifunc = 0; /* AF is requester */
@@ -799,6 +812,7 @@ void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
eth_broadcast_addr((u8 *)&req.mask.dmac);
req.features = BIT_ULL(NPC_DMAC);
req.channel = chan;
+ req.chan_mask = 0xFFFU;
req.intf = pfvf->nix_rx_intf;
req.entry = index;
req.hdr.pcifunc = 0; /* AF is requester */
@@ -1745,6 +1759,8 @@ static int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr)
int nixlf_count = rvu_get_nixlf_count(rvu);
struct npc_mcam *mcam = &rvu->hw->mcam;
int rsvd, err;
+ u16 index;
+ int cntr;
u64 cfg;
/* Actual number of MCAM entries vary by entry size */
@@ -1845,6 +1861,14 @@ static int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr)
if (!mcam->entry2target_pffunc)
goto free_mem;
+ for (index = 0; index < mcam->bmap_entries; index++) {
+ mcam->entry2pfvf_map[index] = NPC_MCAM_INVALID_MAP;
+ mcam->entry2cntr_map[index] = NPC_MCAM_INVALID_MAP;
+ }
+
+ for (cntr = 0; cntr < mcam->counters.max; cntr++)
+ mcam->cntr2pfvf_map[cntr] = NPC_MCAM_INVALID_MAP;
+
mutex_init(&mcam->lock);
return 0;
@@ -2562,7 +2586,7 @@ int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu,
}
/* Alloc request from PFFUNC with no NIXLF attached should be denied */
- if (!is_nixlf_attached(rvu, pcifunc))
+ if (!is_pffunc_af(pcifunc) && !is_nixlf_attached(rvu, pcifunc))
return NPC_MCAM_ALLOC_DENIED;
return npc_mcam_alloc_entries(mcam, pcifunc, req, rsp);
@@ -2582,7 +2606,7 @@ int rvu_mbox_handler_npc_mcam_free_entry(struct rvu *rvu,
return NPC_MCAM_INVALID_REQ;
/* Free request from PFFUNC with no NIXLF attached, ignore */
- if (!is_nixlf_attached(rvu, pcifunc))
+ if (!is_pffunc_af(pcifunc) && !is_nixlf_attached(rvu, pcifunc))
return NPC_MCAM_INVALID_REQ;
mutex_lock(&mcam->lock);
@@ -2594,7 +2618,7 @@ int rvu_mbox_handler_npc_mcam_free_entry(struct rvu *rvu,
if (rc)
goto exit;
- mcam->entry2pfvf_map[req->entry] = 0;
+ mcam->entry2pfvf_map[req->entry] = NPC_MCAM_INVALID_MAP;
mcam->entry2target_pffunc[req->entry] = 0x0;
npc_mcam_clear_bit(mcam, req->entry);
npc_enable_mcam_entry(rvu, mcam, blkaddr, req->entry, false);
@@ -2679,13 +2703,14 @@ int rvu_mbox_handler_npc_mcam_write_entry(struct rvu *rvu,
else
nix_intf = pfvf->nix_rx_intf;
- if (npc_mcam_verify_channel(rvu, pcifunc, req->intf, channel)) {
+ if (!is_pffunc_af(pcifunc) &&
+ npc_mcam_verify_channel(rvu, pcifunc, req->intf, channel)) {
rc = NPC_MCAM_INVALID_REQ;
goto exit;
}
- if (npc_mcam_verify_pf_func(rvu, &req->entry_data, req->intf,
- pcifunc)) {
+ if (!is_pffunc_af(pcifunc) &&
+ npc_mcam_verify_pf_func(rvu, &req->entry_data, req->intf, pcifunc)) {
rc = NPC_MCAM_INVALID_REQ;
goto exit;
}
@@ -2836,7 +2861,7 @@ int rvu_mbox_handler_npc_mcam_alloc_counter(struct rvu *rvu,
return NPC_MCAM_INVALID_REQ;
/* If the request is from a PFFUNC with no NIXLF attached, ignore */
- if (!is_nixlf_attached(rvu, pcifunc))
+ if (!is_pffunc_af(pcifunc) && !is_nixlf_attached(rvu, pcifunc))
return NPC_MCAM_INVALID_REQ;
/* Since list of allocated counter IDs needs to be sent to requester,
@@ -3081,7 +3106,7 @@ int rvu_mbox_handler_npc_mcam_alloc_and_write_entry(struct rvu *rvu,
if (rc) {
/* Free allocated MCAM entry */
mutex_lock(&mcam->lock);
- mcam->entry2pfvf_map[entry] = 0;
+ mcam->entry2pfvf_map[entry] = NPC_MCAM_INVALID_MAP;
npc_mcam_clear_bit(mcam, entry);
mutex_unlock(&mcam->lock);
return rc;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
index 68633145a8b8..5c01cf4a9c5b 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -910,14 +910,17 @@ static void rvu_mcam_add_counter_to_rule(struct rvu *rvu, u16 pcifunc,
static void npc_update_rx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf,
struct mcam_entry *entry,
- struct npc_install_flow_req *req, u16 target)
+ struct npc_install_flow_req *req,
+ u16 target, bool pf_set_vfs_mac)
{
+ struct rvu_switch *rswitch = &rvu->rswitch;
struct nix_rx_action action;
- u64 chan_mask;
- chan_mask = req->chan_mask ? req->chan_mask : ~0ULL;
- npc_update_entry(rvu, NPC_CHAN, entry, req->channel, 0, chan_mask, 0,
- NIX_INTF_RX);
+ if (rswitch->mode == DEVLINK_ESWITCH_MODE_SWITCHDEV && pf_set_vfs_mac)
+ req->chan_mask = 0x0; /* Do not care channel */
+
+ npc_update_entry(rvu, NPC_CHAN, entry, req->channel, 0, req->chan_mask,
+ 0, NIX_INTF_RX);
*(u64 *)&action = 0x00;
action.pf_func = target;
@@ -949,9 +952,16 @@ static void npc_update_tx_entry(struct rvu *rvu, struct rvu_pfvf *pfvf,
struct npc_install_flow_req *req, u16 target)
{
struct nix_tx_action action;
+ u64 mask = ~0ULL;
+
+ /* If AF is installing then do not care about
+ * PF_FUNC in Send Descriptor
+ */
+ if (is_pffunc_af(req->hdr.pcifunc))
+ mask = 0;
npc_update_entry(rvu, NPC_PF_FUNC, entry, (__force u16)htons(target),
- 0, ~0ULL, 0, NIX_INTF_TX);
+ 0, mask, 0, NIX_INTF_TX);
*(u64 *)&action = 0x00;
action.op = req->op;
@@ -1002,7 +1012,7 @@ static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target,
req->intf);
if (is_npc_intf_rx(req->intf))
- npc_update_rx_entry(rvu, pfvf, entry, req, target);
+ npc_update_rx_entry(rvu, pfvf, entry, req, target, pf_set_vfs_mac);
else
npc_update_tx_entry(rvu, pfvf, entry, req, target);
@@ -1164,7 +1174,9 @@ int rvu_mbox_handler_npc_install_flow(struct rvu *rvu,
if (err)
return err;
- if (npc_mcam_verify_channel(rvu, target, req->intf, req->channel))
+ /* Skip channel validation if AF is installing */
+ if (!is_pffunc_af(req->hdr.pcifunc) &&
+ npc_mcam_verify_channel(rvu, target, req->intf, req->channel))
return -EINVAL;
pfvf = rvu_get_pfvf(rvu, target);
@@ -1180,6 +1192,7 @@ int rvu_mbox_handler_npc_install_flow(struct rvu *rvu,
eth_broadcast_addr((u8 *)&req->mask.dmac);
}
+ /* Proceed if NIXLF is attached or not for TX rules */
err = nix_get_nixlf(rvu, target, &nixlf, NULL);
if (err && is_npc_intf_rx(req->intf) && !pf_set_vfs_mac)
return -EINVAL;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c
new file mode 100644
index 000000000000..2e5379710aa5
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_switch.c
@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell OcteonTx2 RVU Admin Function driver
+ *
+ * Copyright (C) 2021 Marvell.
+ */
+
+#include <linux/bitfield.h>
+#include "rvu.h"
+
+static int rvu_switch_install_rx_rule(struct rvu *rvu, u16 pcifunc,
+ u16 chan_mask)
+{
+ struct npc_install_flow_req req = { 0 };
+ struct npc_install_flow_rsp rsp = { 0 };
+ struct rvu_pfvf *pfvf;
+
+ pfvf = rvu_get_pfvf(rvu, pcifunc);
+ /* If the pcifunc is not initialized then nothing to do.
+ * This same function will be called again via rvu_switch_update_rules
+ * after pcifunc is initialized.
+ */
+ if (!test_bit(NIXLF_INITIALIZED, &pfvf->flags))
+ return 0;
+
+ ether_addr_copy(req.packet.dmac, pfvf->mac_addr);
+ eth_broadcast_addr((u8 *)&req.mask.dmac);
+ req.hdr.pcifunc = 0; /* AF is requester */
+ req.vf = pcifunc;
+ req.features = BIT_ULL(NPC_DMAC);
+ req.channel = pfvf->rx_chan_base;
+ req.chan_mask = chan_mask;
+ req.intf = pfvf->nix_rx_intf;
+ req.op = NIX_RX_ACTION_DEFAULT;
+ req.default_rule = 1;
+
+ return rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp);
+}
+
+static int rvu_switch_install_tx_rule(struct rvu *rvu, u16 pcifunc, u16 entry)
+{
+ struct npc_install_flow_req req = { 0 };
+ struct npc_install_flow_rsp rsp = { 0 };
+ struct rvu_pfvf *pfvf;
+ u8 lbkid;
+
+ pfvf = rvu_get_pfvf(rvu, pcifunc);
+ /* If the pcifunc is not initialized then nothing to do.
+ * This same function will be called again via rvu_switch_update_rules
+ * after pcifunc is initialized.
+ */
+ if (!test_bit(NIXLF_INITIALIZED, &pfvf->flags))
+ return 0;
+
+ lbkid = pfvf->nix_blkaddr == BLKADDR_NIX0 ? 0 : 1;
+ ether_addr_copy(req.packet.dmac, pfvf->mac_addr);
+ eth_broadcast_addr((u8 *)&req.mask.dmac);
+ req.hdr.pcifunc = 0; /* AF is requester */
+ req.vf = pcifunc;
+ req.entry = entry;
+ req.features = BIT_ULL(NPC_DMAC);
+ req.intf = pfvf->nix_tx_intf;
+ req.op = NIX_TX_ACTIONOP_UCAST_CHAN;
+ req.index = (lbkid << 8) | RVU_SWITCH_LBK_CHAN;
+ req.set_cntr = 1;
+
+ return rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp);
+}
+
+static int rvu_switch_install_rules(struct rvu *rvu)
+{
+ struct rvu_switch *rswitch = &rvu->rswitch;
+ u16 start = rswitch->start_entry;
+ struct rvu_hwinfo *hw = rvu->hw;
+ int pf, vf, numvfs, hwvf;
+ u16 pcifunc, entry = 0;
+ int err;
+
+ for (pf = 1; pf < hw->total_pfs; pf++) {
+ if (!is_pf_cgxmapped(rvu, pf))
+ continue;
+
+ pcifunc = pf << 10;
+ /* rvu_get_nix_blkaddr sets up the corresponding NIX block
+ * address and NIX RX and TX interfaces for a pcifunc.
+ * Generally it is called during attach call of a pcifunc but it
+ * is called here since we are pre-installing rules before
+ * nixlfs are attached
+ */
+ rvu_get_nix_blkaddr(rvu, pcifunc);
+
+ /* MCAM RX rule for a PF/VF already exists as default unicast
+ * rules installed by AF. Hence change the channel in those
+ * rules to ignore channel so that packets with the required
+ * DMAC received from LBK(by other PF/VFs in system) or from
+ * external world (from wire) are accepted.
+ */
+ err = rvu_switch_install_rx_rule(rvu, pcifunc, 0x0);
+ if (err) {
+ dev_err(rvu->dev, "RX rule for PF%d failed(%d)\n",
+ pf, err);
+ return err;
+ }
+
+ err = rvu_switch_install_tx_rule(rvu, pcifunc, start + entry);
+ if (err) {
+ dev_err(rvu->dev, "TX rule for PF%d failed(%d)\n",
+ pf, err);
+ return err;
+ }
+
+ rswitch->entry2pcifunc[entry++] = pcifunc;
+
+ rvu_get_pf_numvfs(rvu, pf, &numvfs, &hwvf);
+ for (vf = 0; vf < numvfs; vf++, hwvf++) {
+ pcifunc = pf << 10 | ((vf + 1) & 0x3FF);
+ rvu_get_nix_blkaddr(rvu, pcifunc);
+
+ err = rvu_switch_install_rx_rule(rvu, pcifunc, 0x0);
+ if (err) {
+ dev_err(rvu->dev,
+ "RX rule for PF%dVF%d failed(%d)\n",
+ pf, vf, err);
+ return err;
+ }
+
+ err = rvu_switch_install_tx_rule(rvu, pcifunc,
+ start + entry);
+ if (err) {
+ dev_err(rvu->dev,
+ "TX rule for PF%dVF%d failed(%d)\n",
+ pf, vf, err);
+ return err;
+ }
+
+ rswitch->entry2pcifunc[entry++] = pcifunc;
+ }
+ }
+
+ return 0;
+}
+
+void rvu_switch_enable(struct rvu *rvu)
+{
+ struct npc_mcam_alloc_entry_req alloc_req = { 0 };
+ struct npc_mcam_alloc_entry_rsp alloc_rsp = { 0 };
+ struct npc_delete_flow_req uninstall_req = { 0 };
+ struct npc_mcam_free_entry_req free_req = { 0 };
+ struct rvu_switch *rswitch = &rvu->rswitch;
+ struct msg_rsp rsp;
+ int ret;
+
+ alloc_req.contig = true;
+ alloc_req.count = rvu->cgx_mapped_pfs + rvu->cgx_mapped_vfs;
+ ret = rvu_mbox_handler_npc_mcam_alloc_entry(rvu, &alloc_req,
+ &alloc_rsp);
+ if (ret) {
+ dev_err(rvu->dev,
+ "Unable to allocate MCAM entries\n");
+ goto exit;
+ }
+
+ if (alloc_rsp.count != alloc_req.count) {
+ dev_err(rvu->dev,
+ "Unable to allocate %d MCAM entries, got %d\n",
+ alloc_req.count, alloc_rsp.count);
+ goto free_entries;
+ }
+
+ rswitch->entry2pcifunc = kcalloc(alloc_req.count, sizeof(u16),
+ GFP_KERNEL);
+ if (!rswitch->entry2pcifunc)
+ goto free_entries;
+
+ rswitch->used_entries = alloc_rsp.count;
+ rswitch->start_entry = alloc_rsp.entry;
+
+ ret = rvu_switch_install_rules(rvu);
+ if (ret)
+ goto uninstall_rules;
+
+ return;
+
+uninstall_rules:
+ uninstall_req.start = rswitch->start_entry;
+ uninstall_req.end = rswitch->start_entry + rswitch->used_entries - 1;
+ rvu_mbox_handler_npc_delete_flow(rvu, &uninstall_req, &rsp);
+ kfree(rswitch->entry2pcifunc);
+free_entries:
+ free_req.all = 1;
+ rvu_mbox_handler_npc_mcam_free_entry(rvu, &free_req, &rsp);
+exit:
+ return;
+}
+
+void rvu_switch_disable(struct rvu *rvu)
+{
+ struct npc_delete_flow_req uninstall_req = { 0 };
+ struct npc_mcam_free_entry_req free_req = { 0 };
+ struct rvu_switch *rswitch = &rvu->rswitch;
+ struct rvu_hwinfo *hw = rvu->hw;
+ int pf, vf, numvfs, hwvf;
+ struct msg_rsp rsp;
+ u16 pcifunc;
+ int err;
+
+ if (!rswitch->used_entries)
+ return;
+
+ for (pf = 1; pf < hw->total_pfs; pf++) {
+ if (!is_pf_cgxmapped(rvu, pf))
+ continue;
+
+ pcifunc = pf << 10;
+ err = rvu_switch_install_rx_rule(rvu, pcifunc, 0xFFF);
+ if (err)
+ dev_err(rvu->dev,
+ "Reverting RX rule for PF%d failed(%d)\n",
+ pf, err);
+
+ for (vf = 0; vf < numvfs; vf++, hwvf++) {
+ pcifunc = pf << 10 | ((vf + 1) & 0x3FF);
+ err = rvu_switch_install_rx_rule(rvu, pcifunc, 0xFFF);
+ if (err)
+ dev_err(rvu->dev,
+ "Reverting RX rule for PF%dVF%d failed(%d)\n",
+ pf, vf, err);
+ }
+ }
+
+ uninstall_req.start = rswitch->start_entry;
+ uninstall_req.end = rswitch->start_entry + rswitch->used_entries - 1;
+ free_req.all = 1;
+ rvu_mbox_handler_npc_delete_flow(rvu, &uninstall_req, &rsp);
+ rvu_mbox_handler_npc_mcam_free_entry(rvu, &free_req, &rsp);
+ rswitch->used_entries = 0;
+ kfree(rswitch->entry2pcifunc);
+}
+
+void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc)
+{
+ struct rvu_switch *rswitch = &rvu->rswitch;
+ u32 max = rswitch->used_entries;
+ u16 entry;
+
+ if (!rswitch->used_entries)
+ return;
+
+ for (entry = 0; entry < max; entry++) {
+ if (rswitch->entry2pcifunc[entry] == pcifunc)
+ break;
+ }
+
+ if (entry >= max)
+ return;
+
+ rvu_switch_install_tx_rule(rvu, pcifunc, rswitch->start_entry + entry);
+ rvu_switch_install_rx_rule(rvu, pcifunc, 0x0);
+}