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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c72
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h11
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c17
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c64
7 files changed, 164 insertions, 17 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index b2a5da9739d2..43f027bf2da3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -484,10 +484,12 @@ struct mlx5e_xdp_info_fifo {
struct mlx5e_xdpsq;
struct mlx5e_xmit_data;
+struct xsk_tx_metadata;
typedef int (*mlx5e_fp_xmit_xdp_frame_check)(struct mlx5e_xdpsq *);
typedef bool (*mlx5e_fp_xmit_xdp_frame)(struct mlx5e_xdpsq *,
struct mlx5e_xmit_data *,
- int);
+ int,
+ struct xsk_tx_metadata *);
struct mlx5e_xdpsq {
/* data path */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index 7decc81ed33a..e2e7d82cfca4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
@@ -103,7 +103,7 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq,
xdptxd->dma_addr = dma_addr;
if (unlikely(!INDIRECT_CALL_2(sq->xmit_xdp_frame, mlx5e_xmit_xdp_frame_mpwqe,
- mlx5e_xmit_xdp_frame, sq, xdptxd, 0)))
+ mlx5e_xmit_xdp_frame, sq, xdptxd, 0, NULL)))
return false;
/* xmit_mode == MLX5E_XDP_XMIT_MODE_FRAME */
@@ -145,7 +145,7 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq,
xdptxd->dma_addr = dma_addr;
if (unlikely(!INDIRECT_CALL_2(sq->xmit_xdp_frame, mlx5e_xmit_xdp_frame_mpwqe,
- mlx5e_xmit_xdp_frame, sq, xdptxd, 0)))
+ mlx5e_xmit_xdp_frame, sq, xdptxd, 0, NULL)))
return false;
/* xmit_mode == MLX5E_XDP_XMIT_MODE_PAGE */
@@ -261,6 +261,37 @@ const struct xdp_metadata_ops mlx5e_xdp_metadata_ops = {
.xmo_rx_hash = mlx5e_xdp_rx_hash,
};
+struct mlx5e_xsk_tx_complete {
+ struct mlx5_cqe64 *cqe;
+ struct mlx5e_cq *cq;
+};
+
+static u64 mlx5e_xsk_fill_timestamp(void *_priv)
+{
+ struct mlx5e_xsk_tx_complete *priv = _priv;
+ u64 ts;
+
+ ts = get_cqe_ts(priv->cqe);
+
+ if (mlx5_is_real_time_rq(priv->cq->mdev) || mlx5_is_real_time_sq(priv->cq->mdev))
+ return mlx5_real_time_cyc2time(&priv->cq->mdev->clock, ts);
+
+ return mlx5_timecounter_cyc2time(&priv->cq->mdev->clock, ts);
+}
+
+static void mlx5e_xsk_request_checksum(u16 csum_start, u16 csum_offset, void *priv)
+{
+ struct mlx5_wqe_eth_seg *eseg = priv;
+
+ /* HW/FW is doing parsing, so offsets are largely ignored. */
+ eseg->cs_flags |= MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM;
+}
+
+const struct xsk_tx_metadata_ops mlx5e_xsk_tx_metadata_ops = {
+ .tmo_fill_timestamp = mlx5e_xsk_fill_timestamp,
+ .tmo_request_checksum = mlx5e_xsk_request_checksum,
+};
+
/* returns true if packet was consumed by xdp */
bool mlx5e_xdp_handle(struct mlx5e_rq *rq,
struct bpf_prog *prog, struct mlx5e_xdp_buff *mxbuf)
@@ -398,11 +429,11 @@ INDIRECT_CALLABLE_SCOPE int mlx5e_xmit_xdp_frame_check_mpwqe(struct mlx5e_xdpsq
INDIRECT_CALLABLE_SCOPE bool
mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptxd,
- int check_result);
+ int check_result, struct xsk_tx_metadata *meta);
INDIRECT_CALLABLE_SCOPE bool
mlx5e_xmit_xdp_frame_mpwqe(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptxd,
- int check_result)
+ int check_result, struct xsk_tx_metadata *meta)
{
struct mlx5e_tx_mpwqe *session = &sq->mpwqe;
struct mlx5e_xdpsq_stats *stats = sq->stats;
@@ -420,7 +451,7 @@ mlx5e_xmit_xdp_frame_mpwqe(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptx
*/
if (unlikely(sq->mpwqe.wqe))
mlx5e_xdp_mpwqe_complete(sq);
- return mlx5e_xmit_xdp_frame(sq, xdptxd, 0);
+ return mlx5e_xmit_xdp_frame(sq, xdptxd, 0, meta);
}
if (!xdptxd->len) {
skb_frag_t *frag = &xdptxdf->sinfo->frags[0];
@@ -450,6 +481,7 @@ mlx5e_xmit_xdp_frame_mpwqe(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptx
* and it's safe to complete it at any time.
*/
mlx5e_xdp_mpwqe_session_start(sq);
+ xsk_tx_metadata_request(meta, &mlx5e_xsk_tx_metadata_ops, &session->wqe->eth);
}
mlx5e_xdp_mpwqe_add_dseg(sq, p, stats);
@@ -480,7 +512,7 @@ INDIRECT_CALLABLE_SCOPE int mlx5e_xmit_xdp_frame_check(struct mlx5e_xdpsq *sq)
INDIRECT_CALLABLE_SCOPE bool
mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptxd,
- int check_result)
+ int check_result, struct xsk_tx_metadata *meta)
{
struct mlx5e_xmit_data_frags *xdptxdf =
container_of(xdptxd, struct mlx5e_xmit_data_frags, xd);
@@ -599,6 +631,8 @@ mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptxd,
sq->pc++;
}
+ xsk_tx_metadata_request(meta, &mlx5e_xsk_tx_metadata_ops, eseg);
+
sq->doorbell_cseg = cseg;
stats->xmit++;
@@ -608,7 +642,9 @@ mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptxd,
static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq,
struct mlx5e_xdp_wqe_info *wi,
u32 *xsk_frames,
- struct xdp_frame_bulk *bq)
+ struct xdp_frame_bulk *bq,
+ struct mlx5e_cq *cq,
+ struct mlx5_cqe64 *cqe)
{
struct mlx5e_xdp_info_fifo *xdpi_fifo = &sq->db.xdpi_fifo;
u16 i;
@@ -668,10 +704,24 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq,
break;
}
- case MLX5E_XDP_XMIT_MODE_XSK:
+ case MLX5E_XDP_XMIT_MODE_XSK: {
/* AF_XDP send */
+ struct xsk_tx_metadata_compl *compl = NULL;
+ struct mlx5e_xsk_tx_complete priv = {
+ .cqe = cqe,
+ .cq = cq,
+ };
+
+ if (xp_tx_metadata_enabled(sq->xsk_pool)) {
+ xdpi = mlx5e_xdpi_fifo_pop(xdpi_fifo);
+ compl = &xdpi.xsk_meta;
+
+ xsk_tx_metadata_complete(compl, &mlx5e_xsk_tx_metadata_ops, &priv);
+ }
+
(*xsk_frames)++;
break;
+ }
default:
WARN_ON_ONCE(true);
}
@@ -720,7 +770,7 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
sqcc += wi->num_wqebbs;
- mlx5e_free_xdpsq_desc(sq, wi, &xsk_frames, &bq);
+ mlx5e_free_xdpsq_desc(sq, wi, &xsk_frames, &bq, cq, cqe);
} while (!last_wqe);
if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_REQ)) {
@@ -767,7 +817,7 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq)
sq->cc += wi->num_wqebbs;
- mlx5e_free_xdpsq_desc(sq, wi, &xsk_frames, &bq);
+ mlx5e_free_xdpsq_desc(sq, wi, &xsk_frames, &bq, NULL, NULL);
}
xdp_flush_frame_bulk(&bq);
@@ -840,7 +890,7 @@ int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
}
ret = INDIRECT_CALL_2(sq->xmit_xdp_frame, mlx5e_xmit_xdp_frame_mpwqe,
- mlx5e_xmit_xdp_frame, sq, xdptxd, 0);
+ mlx5e_xmit_xdp_frame, sq, xdptxd, 0, NULL);
if (unlikely(!ret)) {
int j;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
index ecfe93a479da..e054db1e10f8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
@@ -33,6 +33,7 @@
#define __MLX5_EN_XDP_H__
#include <linux/indirect_call_wrapper.h>
+#include <net/xdp_sock.h>
#include "en.h"
#include "en/txrx.h"
@@ -82,7 +83,7 @@ enum mlx5e_xdp_xmit_mode {
* num, page_1, page_2, ... , page_num.
*
* MLX5E_XDP_XMIT_MODE_XSK:
- * none.
+ * frame.xsk_meta.
*/
#define MLX5E_XDP_FIFO_ENTRIES2DS_MAX_RATIO 4
@@ -97,6 +98,7 @@ union mlx5e_xdp_info {
u8 num;
struct page *page;
} page;
+ struct xsk_tx_metadata_compl xsk_meta;
};
struct mlx5e_xsk_param;
@@ -112,13 +114,16 @@ int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
u32 flags);
extern const struct xdp_metadata_ops mlx5e_xdp_metadata_ops;
+extern const struct xsk_tx_metadata_ops mlx5e_xsk_tx_metadata_ops;
INDIRECT_CALLABLE_DECLARE(bool mlx5e_xmit_xdp_frame_mpwqe(struct mlx5e_xdpsq *sq,
struct mlx5e_xmit_data *xdptxd,
- int check_result));
+ int check_result,
+ struct xsk_tx_metadata *meta));
INDIRECT_CALLABLE_DECLARE(bool mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq,
struct mlx5e_xmit_data *xdptxd,
- int check_result));
+ int check_result,
+ struct xsk_tx_metadata *meta));
INDIRECT_CALLABLE_DECLARE(int mlx5e_xmit_xdp_frame_check_mpwqe(struct mlx5e_xdpsq *sq));
INDIRECT_CALLABLE_DECLARE(int mlx5e_xmit_xdp_frame_check(struct mlx5e_xdpsq *sq));
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
index 597f319d4770..a59199ed590d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
@@ -55,12 +55,16 @@ static void mlx5e_xsk_tx_post_err(struct mlx5e_xdpsq *sq,
nopwqe = mlx5e_post_nop(&sq->wq, sq->sqn, &sq->pc);
mlx5e_xdpi_fifo_push(&sq->db.xdpi_fifo, *xdpi);
+ if (xp_tx_metadata_enabled(sq->xsk_pool))
+ mlx5e_xdpi_fifo_push(&sq->db.xdpi_fifo,
+ (union mlx5e_xdp_info) { .xsk_meta = {} });
sq->doorbell_cseg = &nopwqe->ctrl;
}
bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
{
struct xsk_buff_pool *pool = sq->xsk_pool;
+ struct xsk_tx_metadata *meta = NULL;
union mlx5e_xdp_info xdpi;
bool work_done = true;
bool flush = false;
@@ -93,12 +97,13 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
xdptxd.dma_addr = xsk_buff_raw_get_dma(pool, desc.addr);
xdptxd.data = xsk_buff_raw_get_data(pool, desc.addr);
xdptxd.len = desc.len;
+ meta = xsk_buff_get_metadata(pool, desc.addr);
xsk_buff_raw_dma_sync_for_device(pool, xdptxd.dma_addr, xdptxd.len);
ret = INDIRECT_CALL_2(sq->xmit_xdp_frame, mlx5e_xmit_xdp_frame_mpwqe,
mlx5e_xmit_xdp_frame, sq, &xdptxd,
- check_result);
+ check_result, meta);
if (unlikely(!ret)) {
if (sq->mpwqe.wqe)
mlx5e_xdp_mpwqe_complete(sq);
@@ -106,6 +111,16 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
mlx5e_xsk_tx_post_err(sq, &xdpi);
} else {
mlx5e_xdpi_fifo_push(&sq->db.xdpi_fifo, xdpi);
+ if (xp_tx_metadata_enabled(sq->xsk_pool)) {
+ struct xsk_tx_metadata_compl compl;
+
+ xsk_tx_metadata_to_compl(meta, &compl);
+ XSK_TX_COMPL_FITS(void *);
+
+ mlx5e_xdpi_fifo_push(&sq->db.xdpi_fifo,
+ (union mlx5e_xdp_info)
+ { .xsk_meta = compl });
+ }
}
flush = true;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index af5e0d3c8ee1..26a98cfb0a59 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5165,6 +5165,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
netdev->netdev_ops = &mlx5e_netdev_ops;
netdev->xdp_metadata_ops = &mlx5e_xdp_metadata_ops;
+ netdev->xsk_tx_metadata_ops = &mlx5e_xsk_tx_metadata_ops;
mlx5e_dcbnl_build_netdev(netdev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index cd7a9768de5f..686c94c2e8a7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -51,6 +51,7 @@ struct stmmac_tx_info {
bool last_segment;
bool is_jumbo;
enum stmmac_txbuf_type buf_type;
+ struct xsk_tx_metadata_compl xsk_meta;
};
#define STMMAC_TBS_AVAIL BIT(0)
@@ -100,6 +101,17 @@ struct stmmac_xdp_buff {
struct dma_desc *ndesc;
};
+struct stmmac_metadata_request {
+ struct stmmac_priv *priv;
+ struct dma_desc *tx_desc;
+ bool *set_ic;
+};
+
+struct stmmac_xsk_tx_complete {
+ struct stmmac_priv *priv;
+ struct dma_desc *desc;
+};
+
struct stmmac_rx_queue {
u32 rx_count_frames;
u32 queue_index;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8964fc8a955f..c2ac88aaffed 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2430,6 +2430,46 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
}
}
+static void stmmac_xsk_request_timestamp(void *_priv)
+{
+ struct stmmac_metadata_request *meta_req = _priv;
+
+ stmmac_enable_tx_timestamp(meta_req->priv, meta_req->tx_desc);
+ *meta_req->set_ic = true;
+}
+
+static u64 stmmac_xsk_fill_timestamp(void *_priv)
+{
+ struct stmmac_xsk_tx_complete *tx_compl = _priv;
+ struct stmmac_priv *priv = tx_compl->priv;
+ struct dma_desc *desc = tx_compl->desc;
+ bool found = false;
+ u64 ns = 0;
+
+ if (!priv->hwts_tx_en)
+ return 0;
+
+ /* check tx tstamp status */
+ if (stmmac_get_tx_timestamp_status(priv, desc)) {
+ stmmac_get_timestamp(priv, desc, priv->adv_ts, &ns);
+ found = true;
+ } else if (!stmmac_get_mac_tx_timestamp(priv, priv->hw, &ns)) {
+ found = true;
+ }
+
+ if (found) {
+ ns -= priv->plat->cdc_error_adj;
+ return ns_to_ktime(ns);
+ }
+
+ return 0;
+}
+
+static const struct xsk_tx_metadata_ops stmmac_xsk_tx_metadata_ops = {
+ .tmo_request_timestamp = stmmac_xsk_request_timestamp,
+ .tmo_fill_timestamp = stmmac_xsk_fill_timestamp,
+};
+
static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
{
struct netdev_queue *nq = netdev_get_tx_queue(priv->dev, queue);
@@ -2449,6 +2489,8 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
budget = min(budget, stmmac_tx_avail(priv, queue));
while (budget-- > 0) {
+ struct stmmac_metadata_request meta_req;
+ struct xsk_tx_metadata *meta = NULL;
dma_addr_t dma_addr;
bool set_ic;
@@ -2472,6 +2514,7 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
tx_desc = tx_q->dma_tx + entry;
dma_addr = xsk_buff_raw_get_dma(pool, xdp_desc.addr);
+ meta = xsk_buff_get_metadata(pool, xdp_desc.addr);
xsk_buff_raw_dma_sync_for_device(pool, dma_addr, xdp_desc.len);
tx_q->tx_skbuff_dma[entry].buf_type = STMMAC_TXBUF_T_XSK_TX;
@@ -2499,6 +2542,11 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
else
set_ic = false;
+ meta_req.priv = priv;
+ meta_req.tx_desc = tx_desc;
+ meta_req.set_ic = &set_ic;
+ xsk_tx_metadata_request(meta, &stmmac_xsk_tx_metadata_ops,
+ &meta_req);
if (set_ic) {
tx_q->tx_count_frames = 0;
stmmac_set_tx_ic(priv, tx_desc);
@@ -2511,6 +2559,9 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
stmmac_enable_dma_transmission(priv, priv->ioaddr);
+ xsk_tx_metadata_to_compl(meta,
+ &tx_q->tx_skbuff_dma[entry].xsk_meta);
+
tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
entry = tx_q->cur_tx;
}
@@ -2620,8 +2671,18 @@ static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue,
} else {
tx_packets++;
}
- if (skb)
+ if (skb) {
stmmac_get_tx_hwtstamp(priv, p, skb);
+ } else {
+ struct stmmac_xsk_tx_complete tx_compl = {
+ .priv = priv,
+ .desc = p,
+ };
+
+ xsk_tx_metadata_complete(&tx_q->tx_skbuff_dma[entry].xsk_meta,
+ &stmmac_xsk_tx_metadata_ops,
+ &tx_compl);
+ }
}
if (likely(tx_q->tx_skbuff_dma[entry].buf &&
@@ -7464,6 +7525,7 @@ int stmmac_dvr_probe(struct device *device,
ndev->netdev_ops = &stmmac_netdev_ops;
ndev->xdp_metadata_ops = &stmmac_xdp_metadata_ops;
+ ndev->xsk_tx_metadata_ops = &stmmac_xsk_tx_metadata_ops;
ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_RXCSUM;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 17:28:35 +0000