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path: root/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c665
1 files changed, 493 insertions, 172 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 8a41ad8ca04f..75ebb17419c4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -7,23 +7,33 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
+#include <net/page_pool/helpers.h>
#include <net/tso.h>
+#include <linux/bitfield.h>
+#include <linux/dcbnl.h>
+#include <net/xfrm.h>
#include "otx2_reg.h"
#include "otx2_common.h"
#include "otx2_struct.h"
#include "cn10k.h"
+#include "otx2_xsk.h"
+
+static bool otx2_is_pfc_enabled(struct otx2_nic *pfvf)
+{
+ return IS_ENABLED(CONFIG_DCB) && !!pfvf->pfc_en;
+}
static void otx2_nix_rq_op_stats(struct queue_stats *stats,
struct otx2_nic *pfvf, int qidx)
{
u64 incr = (u64)qidx << 32;
- u64 *ptr;
+ void __iomem *ptr;
- ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_OCTS);
+ ptr = otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_OCTS);
stats->bytes = otx2_atomic64_add(incr, ptr);
- ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_PKTS);
+ ptr = otx2_get_regaddr(pfvf, NIX_LF_RQ_OP_PKTS);
stats->pkts = otx2_atomic64_add(incr, ptr);
}
@@ -31,12 +41,12 @@ static void otx2_nix_sq_op_stats(struct queue_stats *stats,
struct otx2_nic *pfvf, int qidx)
{
u64 incr = (u64)qidx << 32;
- u64 *ptr;
+ void __iomem *ptr;
- ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_OCTS);
+ ptr = otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_OCTS);
stats->bytes = otx2_atomic64_add(incr, ptr);
- ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_PKTS);
+ ptr = otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_PKTS);
stats->pkts = otx2_atomic64_add(incr, ptr);
}
@@ -81,6 +91,7 @@ int otx2_update_rq_stats(struct otx2_nic *pfvf, int qidx)
otx2_nix_rq_op_stats(&rq->stats, pfvf, qidx);
return 1;
}
+EXPORT_SYMBOL(otx2_update_rq_stats);
int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx)
{
@@ -89,9 +100,15 @@ int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx)
if (!pfvf->qset.sq)
return 0;
+ if (qidx >= pfvf->hw.non_qos_queues) {
+ if (!test_bit(qidx - pfvf->hw.non_qos_queues, pfvf->qos.qos_sq_bmap))
+ return 0;
+ }
+
otx2_nix_sq_op_stats(&sq->stats, pfvf, qidx);
return 1;
}
+EXPORT_SYMBOL(otx2_update_sq_stats);
void otx2_get_dev_stats(struct otx2_nic *pfvf)
{
@@ -107,7 +124,9 @@ void otx2_get_dev_stats(struct otx2_nic *pfvf)
dev_stats->rx_ucast_frames;
dev_stats->tx_bytes = OTX2_GET_TX_STATS(TX_OCTS);
- dev_stats->tx_drops = OTX2_GET_TX_STATS(TX_DROP);
+ dev_stats->tx_drops = OTX2_GET_TX_STATS(TX_DROP) +
+ (unsigned long)atomic_long_read(&dev_stats->tx_discards);
+
dev_stats->tx_bcast_frames = OTX2_GET_TX_STATS(TX_BCAST);
dev_stats->tx_mcast_frames = OTX2_GET_TX_STATS(TX_MCAST);
dev_stats->tx_ucast_frames = OTX2_GET_TX_STATS(TX_UCAST);
@@ -220,7 +239,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
u16 maxlen;
int err;
- maxlen = otx2_get_max_mtu(pfvf) + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
+ maxlen = pfvf->hw.max_mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
mutex_lock(&pfvf->mbox.lock);
req = otx2_mbox_alloc_msg_nix_set_hw_frs(&pfvf->mbox);
@@ -229,7 +248,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
return -ENOMEM;
}
- req->maxlen = pfvf->netdev->mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
+ req->maxlen = mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
/* Use max receive length supported by hardware for loopback devices */
if (is_otx2_lbkvf(pfvf->pdev))
@@ -239,13 +258,14 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
mutex_unlock(&pfvf->mbox.lock);
return err;
}
+EXPORT_SYMBOL(otx2_hw_set_mtu);
int otx2_config_pause_frm(struct otx2_nic *pfvf)
{
struct cgx_pause_frm_cfg *req;
int err;
- if (is_otx2_lbkvf(pfvf->pdev))
+ if (is_otx2_lbkvf(pfvf->pdev) || is_otx2_sdp_rep(pfvf->pdev))
return 0;
mutex_lock(&pfvf->mbox.lock);
@@ -300,19 +320,22 @@ fail:
return err;
}
-int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id)
+int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id, const u32 *ind_tbl)
{
struct otx2_rss_info *rss = &pfvf->hw.rss_info;
const int index = rss->rss_size * ctx_id;
struct mbox *mbox = &pfvf->mbox;
- struct otx2_rss_ctx *rss_ctx;
struct nix_aq_enq_req *aq;
int idx, err;
mutex_lock(&mbox->lock);
- rss_ctx = rss->rss_ctx[ctx_id];
+ ind_tbl = ind_tbl ?: rss->ind_tbl;
/* Get memory to put this msg */
for (idx = 0; idx < rss->rss_size; idx++) {
+ /* Ignore the queue if AF_XDP zero copy is enabled */
+ if (test_bit(ind_tbl[idx], pfvf->af_xdp_zc_qidx))
+ continue;
+
aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
if (!aq) {
/* The shared memory buffer can be full.
@@ -330,7 +353,7 @@ int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id)
}
}
- aq->rss.rq = rss_ctx->ind_tbl[idx];
+ aq->rss.rq = ind_tbl[idx];
/* Fill AQ info */
aq->qidx = index + idx;
@@ -368,30 +391,22 @@ void otx2_set_rss_key(struct otx2_nic *pfvf)
int otx2_rss_init(struct otx2_nic *pfvf)
{
struct otx2_rss_info *rss = &pfvf->hw.rss_info;
- struct otx2_rss_ctx *rss_ctx;
int idx, ret = 0;
- rss->rss_size = sizeof(*rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP]);
+ rss->rss_size = sizeof(*rss->ind_tbl);
/* Init RSS key if it is not setup already */
if (!rss->enable)
netdev_rss_key_fill(rss->key, sizeof(rss->key));
otx2_set_rss_key(pfvf);
- if (!netif_is_rxfh_configured(pfvf->netdev)) {
- /* Set RSS group 0 as default indirection table */
- rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP] = kzalloc(rss->rss_size,
- GFP_KERNEL);
- if (!rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP])
- return -ENOMEM;
-
- rss_ctx = rss->rss_ctx[DEFAULT_RSS_CONTEXT_GROUP];
+ if (!netif_is_rxfh_configured(pfvf->netdev))
for (idx = 0; idx < rss->rss_size; idx++)
- rss_ctx->ind_tbl[idx] =
+ rss->ind_tbl[idx] =
ethtool_rxfh_indir_default(idx,
pfvf->hw.rx_queues);
- }
- ret = otx2_set_rss_table(pfvf, DEFAULT_RSS_CONTEXT_GROUP);
+
+ ret = otx2_set_rss_table(pfvf, DEFAULT_RSS_CONTEXT_GROUP, NULL);
if (ret)
return ret;
@@ -513,11 +528,35 @@ void otx2_config_irq_coalescing(struct otx2_nic *pfvf, int qidx)
(pfvf->hw.cq_ecount_wait - 1));
}
-int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
- dma_addr_t *dma)
+static int otx2_alloc_pool_buf(struct otx2_nic *pfvf, struct otx2_pool *pool,
+ dma_addr_t *dma)
+{
+ unsigned int offset = 0;
+ struct page *page;
+ size_t sz;
+
+ sz = SKB_DATA_ALIGN(pool->rbsize);
+ sz = ALIGN(sz, OTX2_ALIGN);
+
+ page = page_pool_alloc_frag(pool->page_pool, &offset, sz, GFP_ATOMIC);
+ if (unlikely(!page))
+ return -ENOMEM;
+
+ *dma = page_pool_get_dma_addr(page) + offset;
+ return 0;
+}
+
+static int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
+ dma_addr_t *dma, int qidx, int idx)
{
u8 *buf;
+ if (pool->xsk_pool)
+ return otx2_xsk_pool_alloc_buf(pfvf, pool, dma, idx);
+
+ if (pool->page_pool)
+ return otx2_alloc_pool_buf(pfvf, pool, dma);
+
buf = napi_alloc_frag_align(pool->rbsize, OTX2_ALIGN);
if (unlikely(!buf))
return -ENOMEM;
@@ -532,13 +571,13 @@ int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
return 0;
}
-static int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
- dma_addr_t *dma)
+int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
+ dma_addr_t *dma, int qidx, int idx)
{
int ret;
local_bh_disable();
- ret = __otx2_alloc_rbuf(pfvf, pool, dma);
+ ret = __otx2_alloc_rbuf(pfvf, pool, dma, qidx, idx);
local_bh_enable();
return ret;
}
@@ -546,20 +585,9 @@ static int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
int otx2_alloc_buffer(struct otx2_nic *pfvf, struct otx2_cq_queue *cq,
dma_addr_t *dma)
{
- if (unlikely(__otx2_alloc_rbuf(pfvf, cq->rbpool, dma))) {
- struct refill_work *work;
- struct delayed_work *dwork;
-
- work = &pfvf->refill_wrk[cq->cq_idx];
- dwork = &work->pool_refill_work;
- /* Schedule a task if no other task is running */
- if (!cq->refill_task_sched) {
- cq->refill_task_sched = true;
- schedule_delayed_work(dwork,
- msecs_to_jiffies(100));
- }
+ if (unlikely(__otx2_alloc_rbuf(pfvf, cq->rbpool, dma,
+ cq->cq_idx, cq->pool_ptrs - 1)))
return -ENOMEM;
- }
return 0;
}
@@ -616,6 +644,10 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
req->regval[0] = ((u64)pfvf->tx_max_pktlen << 8) | OTX2_MIN_MTU;
req->regval[0] |= (0x20ULL << 51) | (0x80ULL << 39) |
(0x2ULL << 36);
+ /* Set link type for DWRR MTU selection on CN10K silicons */
+ if (!is_dev_otx2(pfvf->pdev))
+ req->regval[0] |= FIELD_PREP(GENMASK_ULL(58, 57),
+ (u64)hw->smq_link_type);
req->num_regs++;
/* MDQ config */
parent = schq_list[NIX_TXSCH_LVL_TL4][prio];
@@ -626,20 +658,31 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
req->reg[2] = NIX_AF_MDQX_SCHEDULE(schq);
req->regval[2] = dwrr_val;
} else if (lvl == NIX_TXSCH_LVL_TL4) {
+ int sdp_chan = hw->tx_chan_base + prio;
+
+ if (is_otx2_sdp_rep(pfvf->pdev))
+ prio = 0;
parent = schq_list[NIX_TXSCH_LVL_TL3][prio];
req->reg[0] = NIX_AF_TL4X_PARENT(schq);
- req->regval[0] = parent << 16;
+ req->regval[0] = (u64)parent << 16;
req->num_regs++;
req->reg[1] = NIX_AF_TL4X_SCHEDULE(schq);
req->regval[1] = dwrr_val;
+ if (is_otx2_sdp_rep(pfvf->pdev)) {
+ req->num_regs++;
+ req->reg[2] = NIX_AF_TL4X_SDP_LINK_CFG(schq);
+ req->regval[2] = BIT_ULL(12) | BIT_ULL(13) |
+ (sdp_chan & 0xff);
+ }
} else if (lvl == NIX_TXSCH_LVL_TL3) {
parent = schq_list[NIX_TXSCH_LVL_TL2][prio];
req->reg[0] = NIX_AF_TL3X_PARENT(schq);
- req->regval[0] = parent << 16;
+ req->regval[0] = (u64)parent << 16;
req->num_regs++;
req->reg[1] = NIX_AF_TL3X_SCHEDULE(schq);
req->regval[1] = dwrr_val;
- if (lvl == hw->txschq_link_cfg_lvl) {
+ if (lvl == hw->txschq_link_cfg_lvl &&
+ !is_otx2_sdp_rep(pfvf->pdev)) {
req->num_regs++;
req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
/* Enable this queue and backpressure
@@ -650,13 +693,14 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
} else if (lvl == NIX_TXSCH_LVL_TL2) {
parent = schq_list[NIX_TXSCH_LVL_TL1][prio];
req->reg[0] = NIX_AF_TL2X_PARENT(schq);
- req->regval[0] = parent << 16;
+ req->regval[0] = (u64)parent << 16;
req->num_regs++;
req->reg[1] = NIX_AF_TL2X_SCHEDULE(schq);
- req->regval[1] = TXSCH_TL1_DFLT_RR_PRIO << 24 | dwrr_val;
+ req->regval[1] = (u64)hw->txschq_aggr_lvl_rr_prio << 24 | dwrr_val;
- if (lvl == hw->txschq_link_cfg_lvl) {
+ if (lvl == hw->txschq_link_cfg_lvl &&
+ !is_otx2_sdp_rep(pfvf->pdev)) {
req->num_regs++;
req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
/* Enable this queue and backpressure
@@ -678,7 +722,7 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
req->num_regs++;
req->reg[1] = NIX_AF_TL1X_TOPOLOGY(schq);
- req->regval[1] = (TXSCH_TL1_DFLT_RR_PRIO << 1);
+ req->regval[1] = hw->txschq_aggr_lvl_rr_prio << 1;
req->num_regs++;
req->reg[2] = NIX_AF_TL1X_CIR(schq);
@@ -715,8 +759,10 @@ EXPORT_SYMBOL(otx2_smq_flush);
int otx2_txsch_alloc(struct otx2_nic *pfvf)
{
+ int chan_cnt = pfvf->hw.tx_chan_cnt;
struct nix_txsch_alloc_req *req;
- int lvl;
+ struct nix_txsch_alloc_rsp *rsp;
+ int lvl, schq, rc;
/* Get memory to put this msg */
req = otx2_mbox_alloc_msg_nix_txsch_alloc(&pfvf->mbox);
@@ -727,52 +773,101 @@ int otx2_txsch_alloc(struct otx2_nic *pfvf)
for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++)
req->schq[lvl] = 1;
- return otx2_sync_mbox_msg(&pfvf->mbox);
+ if (is_otx2_sdp_rep(pfvf->pdev) && chan_cnt > 1) {
+ req->schq[NIX_TXSCH_LVL_SMQ] = chan_cnt;
+ req->schq[NIX_TXSCH_LVL_TL4] = chan_cnt;
+ }
+
+ rc = otx2_sync_mbox_msg(&pfvf->mbox);
+ if (rc)
+ return rc;
+
+ rsp = (struct nix_txsch_alloc_rsp *)
+ otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
+ if (IS_ERR(rsp))
+ return PTR_ERR(rsp);
+
+ /* Setup transmit scheduler list */
+ for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
+ pfvf->hw.txschq_cnt[lvl] = rsp->schq[lvl];
+ for (schq = 0; schq < rsp->schq[lvl]; schq++)
+ pfvf->hw.txschq_list[lvl][schq] =
+ rsp->schq_list[lvl][schq];
+ }
+
+ pfvf->hw.txschq_link_cfg_lvl = rsp->link_cfg_lvl;
+ pfvf->hw.txschq_aggr_lvl_rr_prio = rsp->aggr_lvl_rr_prio;
+
+ return 0;
}
-int otx2_txschq_stop(struct otx2_nic *pfvf)
+void otx2_txschq_free_one(struct otx2_nic *pfvf, u16 lvl, u16 schq)
{
struct nix_txsch_free_req *free_req;
- int lvl, schq, err;
+ int err;
mutex_lock(&pfvf->mbox.lock);
- /* Free the transmit schedulers */
+
free_req = otx2_mbox_alloc_msg_nix_txsch_free(&pfvf->mbox);
if (!free_req) {
mutex_unlock(&pfvf->mbox.lock);
- return -ENOMEM;
+ netdev_err(pfvf->netdev,
+ "Failed alloc txschq free req\n");
+ return;
}
- free_req->flags = TXSCHQ_FREE_ALL;
+ free_req->schq_lvl = lvl;
+ free_req->schq = schq;
+
err = otx2_sync_mbox_msg(&pfvf->mbox);
+ if (err) {
+ netdev_err(pfvf->netdev,
+ "Failed stop txschq %d at level %d\n", schq, lvl);
+ }
+
mutex_unlock(&pfvf->mbox.lock);
+}
+EXPORT_SYMBOL(otx2_txschq_free_one);
+
+void otx2_txschq_stop(struct otx2_nic *pfvf)
+{
+ int lvl, schq, idx;
+
+ /* free non QOS TLx nodes */
+ for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
+ for (idx = 0; idx < pfvf->hw.txschq_cnt[lvl]; idx++) {
+ otx2_txschq_free_one(pfvf, lvl,
+ pfvf->hw.txschq_list[lvl][idx]);
+ }
+ }
/* Clear the txschq list */
for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++) {
for (schq = 0; schq < MAX_TXSCHQ_PER_FUNC; schq++)
pfvf->hw.txschq_list[lvl][schq] = 0;
}
- return err;
+
}
void otx2_sqb_flush(struct otx2_nic *pfvf)
{
int qidx, sqe_tail, sqe_head;
- u64 incr, *ptr, val;
- int timeout = 1000;
+ struct otx2_snd_queue *sq;
+ void __iomem *ptr;
+ u64 incr, val;
+
+ ptr = otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_STATUS);
+ for (qidx = 0; qidx < otx2_get_total_tx_queues(pfvf); qidx++) {
+ sq = &pfvf->qset.sq[qidx];
+ if (!sq->sqb_ptrs)
+ continue;
- ptr = (u64 *)otx2_get_regaddr(pfvf, NIX_LF_SQ_OP_STATUS);
- for (qidx = 0; qidx < pfvf->hw.tot_tx_queues; qidx++) {
incr = (u64)qidx << 32;
- while (timeout) {
- val = otx2_atomic64_add(incr, ptr);
- sqe_head = (val >> 20) & 0x3F;
- sqe_tail = (val >> 28) & 0x3F;
- if (sqe_head == sqe_tail)
- break;
- usleep_range(1, 3);
- timeout--;
- }
+ val = otx2_atomic64_add(incr, ptr);
+ sqe_head = (val >> 20) & 0x3F;
+ sqe_tail = (val >> 28) & 0x3F;
+ if (sqe_head != sqe_tail)
+ usleep_range(50, 60);
}
}
@@ -792,7 +887,7 @@ void otx2_sqb_flush(struct otx2_nic *pfvf)
#define RQ_PASS_LVL_AURA (255 - ((95 * 256) / 100)) /* RED when 95% is full */
#define RQ_DROP_LVL_AURA (255 - ((99 * 256) / 100)) /* Drop when 99% is full */
-static int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura)
+int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura)
{
struct otx2_qset *qset = &pfvf->qset;
struct nix_aq_enq_req *aq;
@@ -825,7 +920,7 @@ static int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura)
return otx2_sync_mbox_msg(&pfvf->mbox);
}
-int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
+int otx2_sq_aq_init(void *dev, u16 qidx, u8 chan_offset, u16 sqb_aura)
{
struct otx2_nic *pfvf = dev;
struct otx2_snd_queue *sq;
@@ -844,7 +939,7 @@ int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
aq->sq.ena = 1;
aq->sq.smq = otx2_get_smq_idx(pfvf, qidx);
aq->sq.smq_rr_quantum = mtu_to_dwrr_weight(pfvf, pfvf->tx_max_pktlen);
- aq->sq.default_chan = pfvf->hw.tx_chan_base;
+ aq->sq.default_chan = pfvf->hw.tx_chan_base + chan_offset;
aq->sq.sqe_stype = NIX_STYPE_STF; /* Cache SQB */
aq->sq.sqb_aura = sqb_aura;
aq->sq.sq_int_ena = NIX_SQINT_BITS;
@@ -862,11 +957,12 @@ int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura)
return otx2_sync_mbox_msg(&pfvf->mbox);
}
-static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
+int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
{
struct otx2_qset *qset = &pfvf->qset;
struct otx2_snd_queue *sq;
struct otx2_pool *pool;
+ u8 chan_offset;
int err;
pool = &pfvf->qset.pool[sqb_aura];
@@ -878,6 +974,29 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
if (err)
return err;
+ /* Allocate memory for NIX SQE (which includes NIX SG) and CPT SG.
+ * SG of NIX and CPT are same in size. Allocate memory for CPT SG
+ * same as NIX SQE for base address alignment.
+ * Layout of a NIX SQE and CPT SG entry:
+ * -----------------------------
+ * | CPT Scatter Gather |
+ * | (SQE SIZE) |
+ * | |
+ * -----------------------------
+ * | NIX SQE |
+ * | (SQE SIZE) |
+ * | |
+ * -----------------------------
+ */
+ err = qmem_alloc(pfvf->dev, &sq->sqe_ring, qset->sqe_cnt,
+ sq->sqe_size * 2);
+ if (err)
+ return err;
+
+ err = qmem_alloc(pfvf->dev, &sq->cpt_resp, qset->sqe_cnt, 64);
+ if (err)
+ return err;
+
if (qidx < pfvf->hw.tx_queues) {
err = qmem_alloc(pfvf->dev, &sq->tso_hdrs, qset->sqe_cnt,
TSO_HEADER_SIZE);
@@ -893,8 +1012,11 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
if (pfvf->ptp && qidx < pfvf->hw.tx_queues) {
err = qmem_alloc(pfvf->dev, &sq->timestamps, qset->sqe_cnt,
sizeof(*sq->timestamps));
- if (err)
+ if (err) {
+ kfree(sq->sg);
+ sq->sg = NULL;
return err;
+ }
}
sq->head = 0;
@@ -909,17 +1031,30 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
sq->stats.bytes = 0;
sq->stats.pkts = 0;
+ /* Attach XSK_BUFF_POOL to XDP queue */
+ if (qidx > pfvf->hw.xdp_queues)
+ otx2_attach_xsk_buff(pfvf, sq, (qidx - pfvf->hw.xdp_queues));
- return pfvf->hw_ops->sq_aq_init(pfvf, qidx, sqb_aura);
+
+ chan_offset = qidx % pfvf->hw.tx_chan_cnt;
+ err = pfvf->hw_ops->sq_aq_init(pfvf, qidx, chan_offset, sqb_aura);
+ if (err) {
+ kfree(sq->sg);
+ sq->sg = NULL;
+ return err;
+ }
+
+ return 0;
}
-static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
+int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
{
struct otx2_qset *qset = &pfvf->qset;
int err, pool_id, non_xdp_queues;
struct nix_aq_enq_req *aq;
struct otx2_cq_queue *cq;
+ struct otx2_pool *pool;
cq = &qset->cq[qidx];
cq->cq_idx = qidx;
@@ -928,16 +1063,36 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
cq->cq_type = CQ_RX;
cq->cint_idx = qidx;
cq->cqe_cnt = qset->rqe_cnt;
- if (pfvf->xdp_prog)
+ if (pfvf->xdp_prog) {
xdp_rxq_info_reg(&cq->xdp_rxq, pfvf->netdev, qidx, 0);
+ pool = &qset->pool[qidx];
+ if (pool->xsk_pool) {
+ xdp_rxq_info_reg_mem_model(&cq->xdp_rxq,
+ MEM_TYPE_XSK_BUFF_POOL,
+ NULL);
+ xsk_pool_set_rxq_info(pool->xsk_pool, &cq->xdp_rxq);
+ } else if (pool->page_pool) {
+ xdp_rxq_info_reg_mem_model(&cq->xdp_rxq,
+ MEM_TYPE_PAGE_POOL,
+ pool->page_pool);
+ }
+ }
} else if (qidx < non_xdp_queues) {
cq->cq_type = CQ_TX;
cq->cint_idx = qidx - pfvf->hw.rx_queues;
cq->cqe_cnt = qset->sqe_cnt;
} else {
- cq->cq_type = CQ_XDP;
- cq->cint_idx = qidx - non_xdp_queues;
- cq->cqe_cnt = qset->sqe_cnt;
+ if (pfvf->hw.xdp_queues &&
+ qidx < non_xdp_queues + pfvf->hw.xdp_queues) {
+ cq->cq_type = CQ_XDP;
+ cq->cint_idx = qidx - non_xdp_queues;
+ cq->cqe_cnt = qset->sqe_cnt;
+ } else {
+ cq->cq_type = CQ_QOS;
+ cq->cint_idx = qidx - non_xdp_queues -
+ pfvf->hw.xdp_queues;
+ cq->cqe_cnt = qset->sqe_cnt;
+ }
}
cq->cqe_size = pfvf->qset.xqe_size;
@@ -999,39 +1154,20 @@ static int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)
static void otx2_pool_refill_task(struct work_struct *work)
{
struct otx2_cq_queue *cq;
- struct otx2_pool *rbpool;
struct refill_work *wrk;
- int qidx, free_ptrs = 0;
struct otx2_nic *pfvf;
- dma_addr_t bufptr;
+ int qidx;
wrk = container_of(work, struct refill_work, pool_refill_work.work);
pfvf = wrk->pf;
qidx = wrk - pfvf->refill_wrk;
cq = &pfvf->qset.cq[qidx];
- rbpool = cq->rbpool;
- free_ptrs = cq->pool_ptrs;
- while (cq->pool_ptrs) {
- if (otx2_alloc_rbuf(pfvf, rbpool, &bufptr)) {
- /* Schedule a WQ if we fails to free atleast half of the
- * pointers else enable napi for this RQ.
- */
- if (!((free_ptrs - cq->pool_ptrs) > free_ptrs / 2)) {
- struct delayed_work *dwork;
-
- dwork = &wrk->pool_refill_work;
- schedule_delayed_work(dwork,
- msecs_to_jiffies(100));
- } else {
- cq->refill_task_sched = false;
- }
- return;
- }
- pfvf->hw_ops->aura_freeptr(pfvf, qidx, bufptr + OTX2_HEAD_ROOM);
- cq->pool_ptrs--;
- }
cq->refill_task_sched = false;
+
+ local_bh_disable();
+ napi_schedule(wrk->napi);
+ local_bh_enable();
}
int otx2_config_nix_queues(struct otx2_nic *pfvf)
@@ -1048,7 +1184,7 @@ int otx2_config_nix_queues(struct otx2_nic *pfvf)
}
/* Initialize TX queues */
- for (qidx = 0; qidx < pfvf->hw.tot_tx_queues; qidx++) {
+ for (qidx = 0; qidx < pfvf->hw.non_qos_queues; qidx++) {
u16 sqb_aura = otx2_get_pool_idx(pfvf, AURA_NIX_SQ, qidx);
err = otx2_sq_init(pfvf, qidx, sqb_aura);
@@ -1095,7 +1231,7 @@ int otx2_config_nix(struct otx2_nic *pfvf)
/* Set RQ/SQ/CQ counts */
nixlf->rq_cnt = pfvf->hw.rx_queues;
- nixlf->sq_cnt = pfvf->hw.tot_tx_queues;
+ nixlf->sq_cnt = otx2_get_total_tx_queues(pfvf);
nixlf->cq_cnt = pfvf->qset.cq_cnt;
nixlf->rss_sz = MAX_RSS_INDIR_TBL_SIZE;
nixlf->rss_grps = MAX_RSS_GROUPS;
@@ -1133,7 +1269,7 @@ void otx2_sq_free_sqbs(struct otx2_nic *pfvf)
int sqb, qidx;
u64 iova, pa;
- for (qidx = 0; qidx < hw->tot_tx_queues; qidx++) {
+ for (qidx = 0; qidx < otx2_get_total_tx_queues(pfvf); qidx++) {
sq = &qset->sq[qidx];
if (!sq->sqb_ptrs)
continue;
@@ -1151,10 +1287,33 @@ void otx2_sq_free_sqbs(struct otx2_nic *pfvf)
}
}
+void otx2_free_bufs(struct otx2_nic *pfvf, struct otx2_pool *pool,
+ u64 iova, int size)
+{
+ struct page *page;
+ u64 pa;
+
+ pa = otx2_iova_to_phys(pfvf->iommu_domain, iova);
+ page = virt_to_head_page(phys_to_virt(pa));
+ if (pool->page_pool) {
+ page_pool_put_full_page(pool->page_pool, page, true);
+ } else if (pool->xsk_pool) {
+ /* Note: No way of identifying xdp_buff */
+ } else {
+ dma_unmap_page_attrs(pfvf->dev, iova, size,
+ DMA_FROM_DEVICE,
+ DMA_ATTR_SKIP_CPU_SYNC);
+
+ put_page(page);
+ }
+}
+
void otx2_free_aura_ptr(struct otx2_nic *pfvf, int type)
{
int pool_id, pool_start = 0, pool_end = 0, size = 0;
- u64 iova, pa;
+ struct otx2_pool *pool;
+ u64 iova;
+ int idx;
if (type == AURA_NIX_SQ) {
pool_start = otx2_get_pool_idx(pfvf, type, 0);
@@ -1169,18 +1328,21 @@ void otx2_free_aura_ptr(struct otx2_nic *pfvf, int type)
/* Free SQB and RQB pointers from the aura pool */
for (pool_id = pool_start; pool_id < pool_end; pool_id++) {
+ pool = &pfvf->qset.pool[pool_id];
iova = otx2_aura_allocptr(pfvf, pool_id);
while (iova) {
if (type == AURA_NIX_RQ)
iova -= OTX2_HEAD_ROOM;
-
- pa = otx2_iova_to_phys(pfvf->iommu_domain, iova);
- dma_unmap_page_attrs(pfvf->dev, iova, size,
- DMA_FROM_DEVICE,
- DMA_ATTR_SKIP_CPU_SYNC);
- put_page(virt_to_page(phys_to_virt(pa)));
+ otx2_free_bufs(pfvf, pool, iova, size);
iova = otx2_aura_allocptr(pfvf, pool_id);
}
+
+ for (idx = 0 ; idx < pool->xdp_cnt; idx++) {
+ if (!pool->xdp[idx])
+ continue;
+
+ xsk_buff_free(pool->xdp[idx]);
+ }
}
}
@@ -1196,13 +1358,23 @@ void otx2_aura_pool_free(struct otx2_nic *pfvf)
pool = &pfvf->qset.pool[pool_id];
qmem_free(pfvf->dev, pool->stack);
qmem_free(pfvf->dev, pool->fc_addr);
+ page_pool_destroy(pool->page_pool);
+ devm_kfree(pfvf->dev, pool->xdp);
+ pool->xsk_pool = NULL;
}
devm_kfree(pfvf->dev, pfvf->qset.pool);
pfvf->qset.pool = NULL;
}
-static int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
- int pool_id, int numptrs)
+int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
+ int pool_id, int numptrs)
+{
+ return pfvf->hw_ops->aura_aq_init(pfvf, aura_id, pool_id,
+ numptrs);
+}
+
+int otx2_aura_aq_init(struct otx2_nic *pfvf, int aura_id,
+ int pool_id, int numptrs)
{
struct npa_aq_enq_req *aq;
struct otx2_pool *pool;
@@ -1278,9 +1450,18 @@ static int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
return 0;
}
-static int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
- int stack_pages, int numptrs, int buf_size)
+int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
+ int stack_pages, int numptrs, int buf_size, int type)
+{
+ return pfvf->hw_ops->pool_aq_init(pfvf, pool_id, stack_pages, numptrs,
+ buf_size, type);
+}
+
+int otx2_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id,
+ int stack_pages, int numptrs, int buf_size, int type)
{
+ struct page_pool_params pp_params = { 0 };
+ struct xsk_buff_pool *xsk_pool;
struct npa_aq_enq_req *aq;
struct otx2_pool *pool;
int err;
@@ -1324,6 +1505,35 @@ static int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
aq->ctype = NPA_AQ_CTYPE_POOL;
aq->op = NPA_AQ_INSTOP_INIT;
+ if (type != AURA_NIX_RQ)
+ return 0;
+
+ if (!test_bit(pool_id, pfvf->af_xdp_zc_qidx)) {
+ pp_params.order = get_order(buf_size);
+ pp_params.flags = PP_FLAG_DMA_MAP;
+ pp_params.pool_size = min(OTX2_PAGE_POOL_SZ, numptrs);
+ pp_params.nid = NUMA_NO_NODE;
+ pp_params.dev = pfvf->dev;
+ pp_params.dma_dir = DMA_FROM_DEVICE;
+ pool->page_pool = page_pool_create(&pp_params);
+ if (IS_ERR(pool->page_pool)) {
+ netdev_err(pfvf->netdev, "Creation of page pool failed\n");
+ return PTR_ERR(pool->page_pool);
+ }
+ return 0;
+ }
+
+ /* Set XSK pool to support AF_XDP zero-copy */
+ xsk_pool = xsk_get_pool_from_qid(pfvf->netdev, pool_id);
+ if (xsk_pool) {
+ pool->xsk_pool = xsk_pool;
+ pool->xdp_cnt = numptrs;
+ pool->xdp = devm_kcalloc(pfvf->dev,
+ numptrs, sizeof(struct xdp_buff *), GFP_KERNEL);
+ if (!pool->xdp)
+ return -ENOMEM;
+ }
+
return 0;
}
@@ -1349,7 +1559,7 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
stack_pages =
(num_sqbs + hw->stack_pg_ptrs - 1) / hw->stack_pg_ptrs;
- for (qidx = 0; qidx < hw->tot_tx_queues; qidx++) {
+ for (qidx = 0; qidx < hw->non_qos_queues; qidx++) {
pool_id = otx2_get_pool_idx(pfvf, AURA_NIX_SQ, qidx);
/* Initialize aura context */
err = otx2_aura_init(pfvf, pool_id, pool_id, num_sqbs);
@@ -1358,7 +1568,7 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
/* Initialize pool context */
err = otx2_pool_init(pfvf, pool_id, stack_pages,
- num_sqbs, hw->sqb_size);
+ num_sqbs, hw->sqb_size, AURA_NIX_SQ);
if (err)
goto fail;
}
@@ -1369,7 +1579,7 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
goto fail;
/* Allocate pointers and free them to aura/pool */
- for (qidx = 0; qidx < hw->tot_tx_queues; qidx++) {
+ for (qidx = 0; qidx < hw->non_qos_queues; qidx++) {
pool_id = otx2_get_pool_idx(pfvf, AURA_NIX_SQ, qidx);
pool = &pfvf->qset.pool[pool_id];
@@ -1382,9 +1592,18 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
}
for (ptr = 0; ptr < num_sqbs; ptr++) {
- err = otx2_alloc_rbuf(pfvf, pool, &bufptr);
- if (err)
+ err = otx2_alloc_rbuf(pfvf, pool, &bufptr, pool_id, ptr);
+ if (err) {
+ if (pool->xsk_pool) {
+ ptr--;
+ while (ptr >= 0) {
+ xsk_buff_free(pool->xdp[ptr]);
+ ptr--;
+ }
+ }
goto err_mem;
+ }
+
pfvf->hw_ops->aura_freeptr(pfvf, pool_id, bufptr);
sq->sqb_ptrs[sq->sqb_count++] = (u64)bufptr;
}
@@ -1421,7 +1640,7 @@ int otx2_rq_aura_pool_init(struct otx2_nic *pfvf)
}
for (pool_id = 0; pool_id < hw->rqpool_cnt; pool_id++) {
err = otx2_pool_init(pfvf, pool_id, stack_pages,
- num_ptrs, pfvf->rbsize);
+ num_ptrs, pfvf->rbsize, AURA_NIX_RQ);
if (err)
goto fail;
}
@@ -1434,11 +1653,19 @@ int otx2_rq_aura_pool_init(struct otx2_nic *pfvf)
/* Allocate pointers and free them to aura/pool */
for (pool_id = 0; pool_id < hw->rqpool_cnt; pool_id++) {
pool = &pfvf->qset.pool[pool_id];
+
for (ptr = 0; ptr < num_ptrs; ptr++) {
- err = otx2_alloc_rbuf(pfvf, pool, &bufptr);
- if (err)
+ err = otx2_alloc_rbuf(pfvf, pool, &bufptr, pool_id, ptr);
+ if (err) {
+ if (pool->xsk_pool) {
+ while (ptr)
+ xsk_buff_free(pool->xdp[--ptr]);
+ }
return -ENOMEM;
+ }
+
pfvf->hw_ops->aura_freeptr(pfvf, pool_id,
+ pool->xsk_pool ? bufptr :
bufptr + OTX2_HEAD_ROOM);
}
}
@@ -1496,7 +1723,7 @@ int otx2_detach_resources(struct mbox *mbox)
detach->partial = false;
/* Send detach request to AF */
- otx2_mbox_msg_send(&mbox->mbox, 0);
+ otx2_sync_mbox_msg(mbox);
mutex_unlock(&mbox->lock);
return 0;
}
@@ -1597,19 +1824,43 @@ int otx2_nix_config_bp(struct otx2_nic *pfvf, bool enable)
return -ENOMEM;
req->chan_base = 0;
-#ifdef CONFIG_DCB
- req->chan_cnt = pfvf->pfc_en ? IEEE_8021QAZ_MAX_TCS : 1;
- req->bpid_per_chan = pfvf->pfc_en ? 1 : 0;
-#else
- req->chan_cnt = 1;
- req->bpid_per_chan = 0;
-#endif
-
+ if (otx2_is_pfc_enabled(pfvf)) {
+ req->chan_cnt = IEEE_8021QAZ_MAX_TCS;
+ req->bpid_per_chan = 1;
+ } else {
+ req->chan_cnt = pfvf->hw.rx_chan_cnt;
+ req->bpid_per_chan = 0;
+ }
return otx2_sync_mbox_msg(&pfvf->mbox);
}
EXPORT_SYMBOL(otx2_nix_config_bp);
+int otx2_nix_cpt_config_bp(struct otx2_nic *pfvf, bool enable)
+{
+ struct nix_bp_cfg_req *req;
+
+ if (enable)
+ req = otx2_mbox_alloc_msg_nix_cpt_bp_enable(&pfvf->mbox);
+ else
+ req = otx2_mbox_alloc_msg_nix_cpt_bp_disable(&pfvf->mbox);
+
+ if (!req)
+ return -ENOMEM;
+
+ req->chan_base = 0;
+ if (otx2_is_pfc_enabled(pfvf)) {
+ req->chan_cnt = IEEE_8021QAZ_MAX_TCS;
+ req->bpid_per_chan = 1;
+ } else {
+ req->chan_cnt = pfvf->hw.rx_chan_cnt;
+ req->bpid_per_chan = 0;
+ }
+
+ return otx2_sync_mbox_msg(&pfvf->mbox);
+}
+EXPORT_SYMBOL(otx2_nix_cpt_config_bp);
+
/* Mbox message handlers */
void mbox_handler_cgx_stats(struct otx2_nic *pfvf,
struct cgx_stats_rsp *rsp)
@@ -1629,21 +1880,6 @@ void mbox_handler_cgx_fec_stats(struct otx2_nic *pfvf,
pfvf->hw.cgx_fec_uncorr_blks += rsp->fec_uncorr_blks;
}
-void mbox_handler_nix_txsch_alloc(struct otx2_nic *pf,
- struct nix_txsch_alloc_rsp *rsp)
-{
- int lvl, schq;
-
- /* Setup transmit scheduler list */
- for (lvl = 0; lvl < NIX_TXSCH_LVL_CNT; lvl++)
- for (schq = 0; schq < rsp->schq[lvl]; schq++)
- pf->hw.txschq_list[lvl][schq] =
- rsp->schq_list[lvl][schq];
-
- pf->hw.txschq_link_cfg_lvl = rsp->link_cfg_lvl;
-}
-EXPORT_SYMBOL(mbox_handler_nix_txsch_alloc);
-
void mbox_handler_npa_lf_alloc(struct otx2_nic *pfvf,
struct npa_lf_alloc_rsp *rsp)
{
@@ -1658,6 +1894,8 @@ void mbox_handler_nix_lf_alloc(struct otx2_nic *pfvf,
pfvf->hw.sqb_size = rsp->sqb_size;
pfvf->hw.rx_chan_base = rsp->rx_chan_base;
pfvf->hw.tx_chan_base = rsp->tx_chan_base;
+ pfvf->hw.rx_chan_cnt = rsp->rx_chan_cnt;
+ pfvf->hw.tx_chan_cnt = rsp->tx_chan_cnt;
pfvf->hw.lso_tsov4_idx = rsp->lso_tsov4_idx;
pfvf->hw.lso_tsov6_idx = rsp->lso_tsov6_idx;
pfvf->hw.cgx_links = rsp->cgx_links;
@@ -1702,6 +1940,7 @@ void otx2_free_cints(struct otx2_nic *pfvf, int n)
free_irq(vector, &qset->napi[qidx]);
}
}
+EXPORT_SYMBOL(otx2_free_cints);
void otx2_set_cints_affinity(struct otx2_nic *pfvf)
{
@@ -1727,6 +1966,17 @@ void otx2_set_cints_affinity(struct otx2_nic *pfvf)
}
}
+static u32 get_dwrr_mtu(struct otx2_nic *pfvf, struct nix_hw_info *hw)
+{
+ if (is_otx2_lbkvf(pfvf->pdev)) {
+ pfvf->hw.smq_link_type = SMQ_LINK_TYPE_LBK;
+ return hw->lbk_dwrr_mtu;
+ }
+
+ pfvf->hw.smq_link_type = SMQ_LINK_TYPE_RPM;
+ return hw->rpm_dwrr_mtu;
+}
+
u16 otx2_get_max_mtu(struct otx2_nic *pfvf)
{
struct nix_hw_info *rsp;
@@ -1746,6 +1996,10 @@ u16 otx2_get_max_mtu(struct otx2_nic *pfvf)
if (!rc) {
rsp = (struct nix_hw_info *)
otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
+ if (IS_ERR(rsp)) {
+ rc = PTR_ERR(rsp);
+ goto out;
+ }
/* HW counts VLAN insertion bytes (8 for double tag)
* irrespective of whether SQE is requesting to insert VLAN
@@ -1756,7 +2010,7 @@ u16 otx2_get_max_mtu(struct otx2_nic *pfvf)
max_mtu = rsp->max_mtu - 8 - OTX2_ETH_HLEN;
/* Also save DWRR MTU, needed for DWRR weight calculation */
- pfvf->hw.dwrr_mtu = rsp->rpm_dwrr_mtu;
+ pfvf->hw.dwrr_mtu = get_dwrr_mtu(pfvf, rsp);
if (!pfvf->hw.dwrr_mtu)
pfvf->hw.dwrr_mtu = 1;
}
@@ -1790,37 +2044,59 @@ int otx2_handle_ntuple_tc_features(struct net_device *netdev, netdev_features_t
}
}
- if ((changed & NETIF_F_HW_TC) && tc) {
- if (!pfvf->flow_cfg->max_flows) {
- netdev_err(netdev,
- "Can't enable TC, MCAM entries not allocated\n");
- return -EINVAL;
- }
- }
-
if ((changed & NETIF_F_HW_TC) && !tc &&
- pfvf->flow_cfg && pfvf->flow_cfg->nr_flows) {
+ otx2_tc_flower_rule_cnt(pfvf)) {
netdev_err(netdev, "Can't disable TC hardware offload while flows are active\n");
return -EBUSY;
}
if ((changed & NETIF_F_NTUPLE) && ntuple &&
- (netdev->features & NETIF_F_HW_TC) && !(changed & NETIF_F_HW_TC)) {
+ otx2_tc_flower_rule_cnt(pfvf) && !(changed & NETIF_F_HW_TC)) {
netdev_err(netdev,
- "Can't enable NTUPLE when TC is active, disable TC and retry\n");
+ "Can't enable NTUPLE when TC flower offload is active, disable TC rules and retry\n");
return -EINVAL;
}
- if ((changed & NETIF_F_HW_TC) && tc &&
- (netdev->features & NETIF_F_NTUPLE) && !(changed & NETIF_F_NTUPLE)) {
- netdev_err(netdev,
- "Can't enable TC when NTUPLE is active, disable NTUPLE and retry\n");
- return -EINVAL;
+ return 0;
+}
+EXPORT_SYMBOL(otx2_handle_ntuple_tc_features);
+
+int otx2_set_hw_capabilities(struct otx2_nic *pfvf)
+{
+ struct mbox *mbox = &pfvf->mbox;
+ struct otx2_hw *hw = &pfvf->hw;
+ struct get_hw_cap_rsp *rsp;
+ struct msg_req *req;
+ int ret = -ENOMEM;
+
+ mutex_lock(&mbox->lock);
+
+ req = otx2_mbox_alloc_msg_get_hw_cap(mbox);
+ if (!req)
+ goto fail;
+
+ ret = otx2_sync_mbox_msg(mbox);
+ if (ret)
+ goto fail;
+
+ rsp = (struct get_hw_cap_rsp *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+ 0, &req->hdr);
+ if (IS_ERR(rsp)) {
+ ret = -EINVAL;
+ goto fail;
}
+ if (rsp->hw_caps & HW_CAP_MACSEC)
+ __set_bit(CN10K_HW_MACSEC, &hw->cap_flag);
+
+ mutex_unlock(&mbox->lock);
+
return 0;
+fail:
+ dev_err(pfvf->dev, "Cannot get MACSEC capability from AF\n");
+ mutex_unlock(&mbox->lock);
+ return ret;
}
-EXPORT_SYMBOL(otx2_handle_ntuple_tc_features);
#define M(_name, _id, _fn_name, _req_type, _rsp_type) \
int __weak \
@@ -1835,3 +2111,48 @@ EXPORT_SYMBOL(otx2_mbox_up_handler_ ## _fn_name);
MBOX_UP_CGX_MESSAGES
MBOX_UP_MCS_MESSAGES
#undef M
+
+dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf,
+ struct sk_buff *skb, int seg, int *len)
+{
+ enum dma_data_direction dir = DMA_TO_DEVICE;
+ const skb_frag_t *frag;
+ struct page *page;
+ int offset;
+
+ /* Crypto hardware need write permission for ipsec crypto offload */
+ if (unlikely(xfrm_offload(skb))) {
+ dir = DMA_BIDIRECTIONAL;
+ skb = skb_unshare(skb, GFP_ATOMIC);
+ }
+
+ /* First segment is always skb->data */
+ if (!seg) {
+ page = virt_to_page(skb->data);
+ offset = offset_in_page(skb->data);
+ *len = skb_headlen(skb);
+ } else {
+ frag = &skb_shinfo(skb)->frags[seg - 1];
+ page = skb_frag_page(frag);
+ offset = skb_frag_off(frag);
+ *len = skb_frag_size(frag);
+ }
+ return otx2_dma_map_page(pfvf, page, offset, *len, dir);
+}
+
+void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg)
+{
+ enum dma_data_direction dir = DMA_TO_DEVICE;
+ struct sk_buff *skb = NULL;
+ int seg;
+
+ skb = (struct sk_buff *)sg->skb;
+ if (unlikely(xfrm_offload(skb)))
+ dir = DMA_BIDIRECTIONAL;
+
+ for (seg = 0; seg < sg->num_segs; seg++) {
+ otx2_dma_unmap_page(pfvf, sg->dma_addr[seg],
+ sg->size[seg], dir);
+ }
+ sg->num_segs = 0;
+}