From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c | 92 +++++++++++++++++++++++++++------------------
1 files changed, 55 insertions(+), 37 deletions(-)
diff --git a/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c b/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
index be137d4..6982b19 100644
--- a/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
+++ b/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
@@ -181,16 +181,12 @@
*/
nskb->ip_summed = CHECKSUM_PARTIAL;
- nskb->xmit_more = 1;
nskb->queue_mapping = skb->queue_mapping;
}
-static struct sk_buff *
-mlx5e_tls_handle_ooo(struct mlx5e_tls_offload_context_tx *context,
- struct mlx5e_txqsq *sq, struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe,
- u16 *pi,
- struct mlx5e_tls *tls)
+static bool mlx5e_tls_handle_ooo(struct mlx5e_tls_offload_context_tx *context,
+ struct mlx5e_txqsq *sq, struct sk_buff *skb,
+ struct mlx5e_tls *tls)
{
u32 tcp_seq = ntohl(tcp_hdr(skb)->seq);
struct sync_info info;
@@ -218,7 +214,7 @@
if (likely(payload <= -info.sync_len))
/* SKB payload doesn't require offload
*/
- return skb;
+ return true;
atomic64_inc(&tls->sw_stats.tx_tls_drop_bypass_required);
goto err_out;
@@ -248,20 +244,17 @@
sq->stats->tls_resync_bytes += nskb->len;
mlx5e_tls_complete_sync_skb(skb, nskb, tcp_seq, headln,
cpu_to_be64(info.rcd_sn));
- mlx5e_sq_xmit(sq, nskb, *wqe, *pi);
- mlx5e_sq_fetch_wqe(sq, wqe, pi);
- return skb;
+ mlx5e_sq_xmit_simple(sq, nskb, true);
+
+ return true;
err_out:
dev_kfree_skb_any(skb);
- return NULL;
+ return false;
}
-struct sk_buff *mlx5e_tls_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_txqsq *sq,
- struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe,
- u16 *pi)
+bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,
+ struct sk_buff *skb, struct mlx5e_accel_tx_tls_state *state)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_tls_offload_context_tx *context;
@@ -271,35 +264,47 @@
u32 skb_seq;
if (!skb->sk || !tls_is_sk_tx_device_offloaded(skb->sk))
- goto out;
+ return true;
datalen = skb->len - (skb_transport_offset(skb) + tcp_hdrlen(skb));
if (!datalen)
- goto out;
+ return true;
+
+ mlx5e_tx_mpwqe_ensure_complete(sq);
tls_ctx = tls_get_ctx(skb->sk);
- if (unlikely(tls_ctx->netdev != netdev))
- goto out;
+ if (WARN_ON_ONCE(tls_ctx->netdev != netdev))
+ goto err_out;
+ if (mlx5_accel_is_ktls_tx(sq->channel->mdev))
+ return mlx5e_ktls_handle_tx_skb(tls_ctx, sq, skb, datalen, state);
+
+ /* FPGA */
skb_seq = ntohl(tcp_hdr(skb)->seq);
context = mlx5e_get_tls_tx_context(tls_ctx);
expected_seq = context->expected_seq;
- if (unlikely(expected_seq != skb_seq)) {
- skb = mlx5e_tls_handle_ooo(context, sq, skb, wqe, pi, priv->tls);
- goto out;
- }
+ if (unlikely(expected_seq != skb_seq))
+ return mlx5e_tls_handle_ooo(context, sq, skb, priv->tls);
if (unlikely(mlx5e_tls_add_metadata(skb, context->swid))) {
atomic64_inc(&priv->tls->sw_stats.tx_tls_drop_metadata);
dev_kfree_skb_any(skb);
- skb = NULL;
- goto out;
+ return false;
}
context->expected_seq = skb_seq + datalen;
-out:
- return skb;
+ return true;
+
+err_out:
+ dev_kfree_skb_any(skb);
+ return false;
+}
+
+void mlx5e_tls_handle_tx_wqe(struct mlx5e_txqsq *sq, struct mlx5_wqe_ctrl_seg *cseg,
+ struct mlx5e_accel_tx_tls_state *state)
+{
+ cseg->tis_tir_num = cpu_to_be32(state->tls_tisn << 8);
}
static int tls_update_resync_sn(struct net_device *netdev,
@@ -348,14 +353,12 @@
return 0;
}
-void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
- u32 *cqe_bcnt)
+/* FPGA tls rx handler */
+void mlx5e_tls_handle_rx_skb_metadata(struct mlx5e_rq *rq, struct sk_buff *skb,
+ u32 *cqe_bcnt)
{
struct mlx5e_tls_metadata *mdata;
struct mlx5e_priv *priv;
-
- if (!is_metadata_hdr_valid(skb))
- return;
/* Use the metadata */
mdata = (struct mlx5e_tls_metadata *)(skb->data + ETH_HLEN);
@@ -364,13 +367,13 @@
skb->decrypted = 1;
break;
case SYNDROM_RESYNC_REQUEST:
- tls_update_resync_sn(netdev, skb, mdata);
- priv = netdev_priv(netdev);
+ tls_update_resync_sn(rq->netdev, skb, mdata);
+ priv = netdev_priv(rq->netdev);
atomic64_inc(&priv->tls->sw_stats.rx_tls_resync_request);
break;
case SYNDROM_AUTH_FAILED:
/* Authentication failure will be observed and verified by kTLS */
- priv = netdev_priv(netdev);
+ priv = netdev_priv(rq->netdev);
atomic64_inc(&priv->tls->sw_stats.rx_tls_auth_fail);
break;
default:
@@ -381,3 +384,18 @@
remove_metadata_hdr(skb);
*cqe_bcnt -= MLX5E_METADATA_ETHER_LEN;
}
+
+u16 mlx5e_tls_get_stop_room(struct mlx5e_txqsq *sq)
+{
+ struct mlx5_core_dev *mdev = sq->channel->mdev;
+
+ if (!mlx5_accel_is_tls_device(mdev))
+ return 0;
+
+ if (mlx5_accel_is_ktls_device(mdev))
+ return mlx5e_ktls_get_stop_room(sq);
+
+ /* FPGA */
+ /* Resync SKB. */
+ return mlx5e_stop_room_for_wqe(MLX5_SEND_WQE_MAX_WQEBBS);
+}
--
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