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-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/common.h3
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.h6
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c227
3 files changed, 218 insertions, 18 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/common.h b/drivers/net/ethernet/marvell/octeontx2/af/common.h
index 72ad04eb8769..ec50a21c5aaf 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/common.h
@@ -143,6 +143,9 @@ enum nix_scheduler {
NIX_TXSCH_LVL_CNT = 0x5,
};
+#define TXSCH_TL1_DFLT_RR_QTM ((1 << 24) - 1)
+#define TXSCH_TL1_DFLT_RR_PRIO (0x1ull)
+
/* Min/Max packet sizes, excluding FCS */
#define NIC_HW_MIN_FRS 40
#define NIC_HW_MAX_FRS 9212
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index a0e445d8eb2d..b1841725af5b 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -156,7 +156,11 @@ struct rvu_pfvf {
struct nix_txsch {
struct rsrc_bmap schq;
u8 lvl;
- u16 *pfvf_map;
+#define NIX_TXSCHQ_TL1_CFG_DONE BIT_ULL(0)
+#define TXSCH_MAP_FUNC(__pfvf_map) ((__pfvf_map) & 0xFFFF)
+#define TXSCH_MAP_FLAGS(__pfvf_map) ((__pfvf_map) >> 16)
+#define TXSCH_MAP(__func, __flags) (((__func) & 0xFFFF) | ((__flags) << 16))
+ u32 *pfvf_map;
};
struct npc_pkind {
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index a1f268652b04..0d4929bd3a95 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -127,6 +127,7 @@ static bool is_valid_txschq(struct rvu *rvu, int blkaddr,
{
struct nix_txsch *txsch;
struct nix_hw *nix_hw;
+ u16 map_func;
nix_hw = get_nix_hw(rvu->hw, blkaddr);
if (!nix_hw)
@@ -138,11 +139,18 @@ static bool is_valid_txschq(struct rvu *rvu, int blkaddr,
return false;
mutex_lock(&rvu->rsrc_lock);
- if (txsch->pfvf_map[schq] != pcifunc) {
- mutex_unlock(&rvu->rsrc_lock);
- return false;
- }
+ map_func = TXSCH_MAP_FUNC(txsch->pfvf_map[schq]);
mutex_unlock(&rvu->rsrc_lock);
+
+ /* For TL1 schq, sharing across VF's of same PF is ok */
+ if (lvl == NIX_TXSCH_LVL_TL1 &&
+ rvu_get_pf(map_func) != rvu_get_pf(pcifunc))
+ return false;
+
+ if (lvl != NIX_TXSCH_LVL_TL1 &&
+ map_func != pcifunc)
+ return false;
+
return true;
}
@@ -494,7 +502,9 @@ static int rvu_nix_aq_enq_inst(struct rvu *rvu, struct nix_aq_enq_req *req,
/* Check if SQ pointed SMQ belongs to this PF/VF or not */
if (req->ctype == NIX_AQ_CTYPE_SQ &&
- req->op != NIX_AQ_INSTOP_WRITE) {
+ ((req->op == NIX_AQ_INSTOP_INIT && req->sq.ena) ||
+ (req->op == NIX_AQ_INSTOP_WRITE &&
+ req->sq_mask.ena && req->sq_mask.smq && req->sq.ena))) {
if (!is_valid_txschq(rvu, blkaddr, NIX_TXSCH_LVL_SMQ,
pcifunc, req->sq.smq))
return NIX_AF_ERR_AQ_ENQUEUE;
@@ -987,6 +997,73 @@ static void nix_reset_tx_linkcfg(struct rvu *rvu, int blkaddr,
NIX_AF_TL3_TL2X_LINKX_CFG(schq, link), 0x00);
}
+static int
+rvu_get_tl1_schqs(struct rvu *rvu, int blkaddr, u16 pcifunc,
+ u16 *schq_list, u16 *schq_cnt)
+{
+ struct nix_txsch *txsch;
+ struct nix_hw *nix_hw;
+ struct rvu_pfvf *pfvf;
+ u8 cgx_id, lmac_id;
+ u16 schq_base;
+ u32 *pfvf_map;
+ int pf, intf;
+
+ nix_hw = get_nix_hw(rvu->hw, blkaddr);
+ if (!nix_hw)
+ return -ENODEV;
+
+ pfvf = rvu_get_pfvf(rvu, pcifunc);
+ txsch = &nix_hw->txsch[NIX_TXSCH_LVL_TL1];
+ pfvf_map = txsch->pfvf_map;
+ pf = rvu_get_pf(pcifunc);
+
+ /* static allocation as two TL1's per link */
+ intf = is_afvf(pcifunc) ? NIX_INTF_TYPE_LBK : NIX_INTF_TYPE_CGX;
+
+ switch (intf) {
+ case NIX_INTF_TYPE_CGX:
+ rvu_get_cgx_lmac_id(pfvf->cgx_lmac, &cgx_id, &lmac_id);
+ schq_base = (cgx_id * MAX_LMAC_PER_CGX + lmac_id) * 2;
+ break;
+ case NIX_INTF_TYPE_LBK:
+ schq_base = rvu->cgx_cnt_max * MAX_LMAC_PER_CGX * 2;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ if (schq_base + 1 > txsch->schq.max)
+ return -ENODEV;
+
+ /* init pfvf_map as we store flags */
+ if (pfvf_map[schq_base] == U32_MAX) {
+ pfvf_map[schq_base] =
+ TXSCH_MAP((pf << RVU_PFVF_PF_SHIFT), 0);
+ pfvf_map[schq_base + 1] =
+ TXSCH_MAP((pf << RVU_PFVF_PF_SHIFT), 0);
+
+ /* Onetime reset for TL1 */
+ nix_reset_tx_linkcfg(rvu, blkaddr,
+ NIX_TXSCH_LVL_TL1, schq_base);
+ nix_reset_tx_shaping(rvu, blkaddr,
+ NIX_TXSCH_LVL_TL1, schq_base);
+
+ nix_reset_tx_linkcfg(rvu, blkaddr,
+ NIX_TXSCH_LVL_TL1, schq_base + 1);
+ nix_reset_tx_shaping(rvu, blkaddr,
+ NIX_TXSCH_LVL_TL1, schq_base + 1);
+ }
+
+ if (schq_list && schq_cnt) {
+ schq_list[0] = schq_base;
+ schq_list[1] = schq_base + 1;
+ *schq_cnt = 2;
+ }
+
+ return 0;
+}
+
int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
struct nix_txsch_alloc_req *req,
struct nix_txsch_alloc_rsp *rsp)
@@ -997,6 +1074,7 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
struct rvu_pfvf *pfvf;
struct nix_hw *nix_hw;
int blkaddr, rc = 0;
+ u32 *pfvf_map;
u16 schq;
pfvf = rvu_get_pfvf(rvu, pcifunc);
@@ -1012,13 +1090,23 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
txsch = &nix_hw->txsch[lvl];
req_schq = req->schq_contig[lvl] + req->schq[lvl];
+ pfvf_map = txsch->pfvf_map;
+
+ if (!req_schq)
+ continue;
/* There are only 28 TL1s */
- if (lvl == NIX_TXSCH_LVL_TL1 && req_schq > txsch->schq.max)
- goto err;
+ if (lvl == NIX_TXSCH_LVL_TL1) {
+ if (req->schq_contig[lvl] ||
+ req->schq[lvl] > 2 ||
+ rvu_get_tl1_schqs(rvu, blkaddr,
+ pcifunc, NULL, NULL))
+ goto err;
+ continue;
+ }
/* Check if request is valid */
- if (!req_schq || req_schq > MAX_TXSCHQ_PER_FUNC)
+ if (req_schq > MAX_TXSCHQ_PER_FUNC)
goto err;
/* If contiguous queues are needed, check for availability */
@@ -1034,16 +1122,32 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
txsch = &nix_hw->txsch[lvl];
rsp->schq_contig[lvl] = req->schq_contig[lvl];
+ pfvf_map = txsch->pfvf_map;
rsp->schq[lvl] = req->schq[lvl];
- schq = 0;
+ if (!req->schq[lvl] && !req->schq_contig[lvl])
+ continue;
+
+ /* Handle TL1 specially as it is
+ * allocation is restricted to 2 TL1's
+ * per link
+ */
+
+ if (lvl == NIX_TXSCH_LVL_TL1) {
+ rsp->schq_contig[lvl] = 0;
+ rvu_get_tl1_schqs(rvu, blkaddr, pcifunc,
+ &rsp->schq_list[lvl][0],
+ &rsp->schq[lvl]);
+ continue;
+ }
+
/* Alloc contiguous queues first */
if (req->schq_contig[lvl]) {
schq = rvu_alloc_rsrc_contig(&txsch->schq,
req->schq_contig[lvl]);
for (idx = 0; idx < req->schq_contig[lvl]; idx++) {
- txsch->pfvf_map[schq] = pcifunc;
+ pfvf_map[schq] = TXSCH_MAP(pcifunc, 0);
nix_reset_tx_linkcfg(rvu, blkaddr, lvl, schq);
nix_reset_tx_shaping(rvu, blkaddr, lvl, schq);
rsp->schq_contig_list[lvl][idx] = schq;
@@ -1054,7 +1158,7 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
/* Alloc non-contiguous queues */
for (idx = 0; idx < req->schq[lvl]; idx++) {
schq = rvu_alloc_rsrc(&txsch->schq);
- txsch->pfvf_map[schq] = pcifunc;
+ pfvf_map[schq] = TXSCH_MAP(pcifunc, 0);
nix_reset_tx_linkcfg(rvu, blkaddr, lvl, schq);
nix_reset_tx_shaping(rvu, blkaddr, lvl, schq);
rsp->schq_list[lvl][idx] = schq;
@@ -1096,7 +1200,7 @@ static int nix_txschq_free(struct rvu *rvu, u16 pcifunc)
txsch = &nix_hw->txsch[lvl];
for (schq = 0; schq < txsch->schq.max; schq++) {
- if (txsch->pfvf_map[schq] != pcifunc)
+ if (TXSCH_MAP_FUNC(txsch->pfvf_map[schq]) != pcifunc)
continue;
nix_reset_tx_linkcfg(rvu, blkaddr, lvl, schq);
}
@@ -1105,7 +1209,7 @@ static int nix_txschq_free(struct rvu *rvu, u16 pcifunc)
/* Flush SMQs */
txsch = &nix_hw->txsch[NIX_TXSCH_LVL_SMQ];
for (schq = 0; schq < txsch->schq.max; schq++) {
- if (txsch->pfvf_map[schq] != pcifunc)
+ if (TXSCH_MAP_FUNC(txsch->pfvf_map[schq]) != pcifunc)
continue;
cfg = rvu_read64(rvu, blkaddr, NIX_AF_SMQX_CFG(schq));
/* Do SMQ flush and set enqueue xoff */
@@ -1123,9 +1227,15 @@ static int nix_txschq_free(struct rvu *rvu, u16 pcifunc)
/* Now free scheduler queues to free pool */
for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
+ /* Free all SCHQ's except TL1 as
+ * TL1 is shared across all VF's for a RVU PF
+ */
+ if (lvl == NIX_TXSCH_LVL_TL1)
+ continue;
+
txsch = &nix_hw->txsch[lvl];
for (schq = 0; schq < txsch->schq.max; schq++) {
- if (txsch->pfvf_map[schq] != pcifunc)
+ if (TXSCH_MAP_FUNC(txsch->pfvf_map[schq]) != pcifunc)
continue;
rvu_free_rsrc(&txsch->schq, schq);
txsch->pfvf_map[schq] = 0;
@@ -1187,16 +1297,73 @@ static bool is_txschq_config_valid(struct rvu *rvu, u16 pcifunc, int blkaddr,
return true;
}
+static int
+nix_tl1_default_cfg(struct rvu *rvu, u16 pcifunc)
+{
+ u16 schq_list[2], schq_cnt, schq;
+ int blkaddr, idx, err = 0;
+ u16 map_func, map_flags;
+ struct nix_hw *nix_hw;
+ u64 reg, regval;
+ u32 *pfvf_map;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
+ if (blkaddr < 0)
+ return NIX_AF_ERR_AF_LF_INVALID;
+
+ nix_hw = get_nix_hw(rvu->hw, blkaddr);
+ if (!nix_hw)
+ return -EINVAL;
+
+ pfvf_map = nix_hw->txsch[NIX_TXSCH_LVL_TL1].pfvf_map;
+
+ mutex_lock(&rvu->rsrc_lock);
+
+ err = rvu_get_tl1_schqs(rvu, blkaddr,
+ pcifunc, schq_list, &schq_cnt);
+ if (err)
+ goto unlock;
+
+ for (idx = 0; idx < schq_cnt; idx++) {
+ schq = schq_list[idx];
+ map_func = TXSCH_MAP_FUNC(pfvf_map[schq]);
+ map_flags = TXSCH_MAP_FLAGS(pfvf_map[schq]);
+
+ /* check if config is already done or this is pf */
+ if (map_flags & NIX_TXSCHQ_TL1_CFG_DONE)
+ continue;
+
+ /* default configuration */
+ reg = NIX_AF_TL1X_TOPOLOGY(schq);
+ regval = (TXSCH_TL1_DFLT_RR_PRIO << 1);
+ rvu_write64(rvu, blkaddr, reg, regval);
+ reg = NIX_AF_TL1X_SCHEDULE(schq);
+ regval = TXSCH_TL1_DFLT_RR_QTM;
+ rvu_write64(rvu, blkaddr, reg, regval);
+ reg = NIX_AF_TL1X_CIR(schq);
+ regval = 0;
+ rvu_write64(rvu, blkaddr, reg, regval);
+
+ map_flags |= NIX_TXSCHQ_TL1_CFG_DONE;
+ pfvf_map[schq] = TXSCH_MAP(map_func, map_flags);
+ }
+unlock:
+ mutex_unlock(&rvu->rsrc_lock);
+ return err;
+}
+
int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
struct nix_txschq_config *req,
struct msg_rsp *rsp)
{
+ u16 schq, pcifunc = req->hdr.pcifunc;
struct rvu_hwinfo *hw = rvu->hw;
- u16 pcifunc = req->hdr.pcifunc;
u64 reg, regval, schq_regbase;
struct nix_txsch *txsch;
+ u16 map_func, map_flags;
struct nix_hw *nix_hw;
int blkaddr, idx, err;
+ u32 *pfvf_map;
int nixlf;
if (req->lvl >= NIX_TXSCH_LVL_CNT ||
@@ -1216,6 +1383,16 @@ int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
return NIX_AF_ERR_AF_LF_INVALID;
txsch = &nix_hw->txsch[req->lvl];
+ pfvf_map = txsch->pfvf_map;
+
+ /* VF is only allowed to trigger
+ * setting default cfg on TL1
+ */
+ if (pcifunc & RVU_PFVF_FUNC_MASK &&
+ req->lvl == NIX_TXSCH_LVL_TL1) {
+ return nix_tl1_default_cfg(rvu, pcifunc);
+ }
+
for (idx = 0; idx < req->num_regs; idx++) {
reg = req->reg[idx];
regval = req->regval[idx];
@@ -1233,6 +1410,21 @@ int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
regval |= ((u64)nixlf << 24);
}
+ /* Mark config as done for TL1 by PF */
+ if (schq_regbase >= NIX_AF_TL1X_SCHEDULE(0) &&
+ schq_regbase <= NIX_AF_TL1X_GREEN_BYTES(0)) {
+ schq = TXSCHQ_IDX(reg, TXSCHQ_IDX_SHIFT);
+
+ mutex_lock(&rvu->rsrc_lock);
+
+ map_func = TXSCH_MAP_FUNC(pfvf_map[schq]);
+ map_flags = TXSCH_MAP_FLAGS(pfvf_map[schq]);
+
+ map_flags |= NIX_TXSCHQ_TL1_CFG_DONE;
+ pfvf_map[schq] = TXSCH_MAP(map_func, map_flags);
+ mutex_unlock(&rvu->rsrc_lock);
+ }
+
rvu_write64(rvu, blkaddr, reg, regval);
/* Check for SMQ flush, if so, poll for its completion */
@@ -1559,9 +1751,10 @@ static int nix_setup_txschq(struct rvu *rvu, struct nix_hw *nix_hw, int blkaddr)
* PF/VF pcifunc mapping info.
*/
txsch->pfvf_map = devm_kcalloc(rvu->dev, txsch->schq.max,
- sizeof(u16), GFP_KERNEL);
+ sizeof(u32), GFP_KERNEL);
if (!txsch->pfvf_map)
return -ENOMEM;
+ memset(txsch->pfvf_map, U8_MAX, txsch->schq.max * sizeof(u32));
}
return 0;
}
@@ -2020,7 +2213,7 @@ int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req,
txsch = &nix_hw->txsch[NIX_TXSCH_LVL_SMQ];
mutex_lock(&rvu->rsrc_lock);
for (schq = 0; schq < txsch->schq.max; schq++) {
- if (txsch->pfvf_map[schq] != pcifunc)
+ if (TXSCH_MAP_FUNC(txsch->pfvf_map[schq]) != pcifunc)
continue;
cfg = rvu_read64(rvu, blkaddr, NIX_AF_SMQX_CFG(schq));
cfg = (cfg & ~(0xFFFFULL << 8)) | ((u64)req->maxlen << 8);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-24 21:29:50 +0000