korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-16 19:04:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

net: mvpp2: Add xdp tx return bulking support

Browse Source 
Convert mvpp2 driver to xdp_return_frame_bulk APIs.

XDP_REDIRECT (upstream codepath): 1.79Mpps
XDP_REDIRECT (upstream codepath + bulking APIs): 1.93Mpps

Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Matteo Croce <mcroce@microsoft.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/0b38c295e58e8ce251ef6b4e2187a2f457f9f7a3.1605267335.git.lorenzo@kernel.org
This commit is contained in:
Lorenzo Bianconi 2020-11-13 12:48:31 +01:00 committed by Daniel Borkmann
parent 2f9d09394d
commit dbef19ccde
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
View File

@ -2440,8 +2440,13 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
struct mvpp2_tx_queue *txq,
struct mvpp2_txq_pcpu *txq_pcpu, int num)
{
struct xdp_frame_bulk bq;
int i;
xdp_frame_bulk_init(&bq);
rcu_read_lock(); /* need for xdp_return_frame_bulk */
for (i = 0; i < num; i++) {
struct mvpp2_txq_pcpu_buf *tx_buf =
txq_pcpu->buffs + txq_pcpu->txq_get_index;
@ -2454,10 +2459,13 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
dev_kfree_skb_any(tx_buf->skb);
else if (tx_buf->type == MVPP2_TYPE_XDP_TX ||
tx_buf->type == MVPP2_TYPE_XDP_NDO)
xdp_return_frame(tx_buf->xdpf);
xdp_return_frame_bulk(tx_buf->xdpf, &bq);
mvpp2_txq_inc_get(txq_pcpu);
}
xdp_flush_frame_bulk(&bq);
rcu_read_unlock();
}
static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,