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virtio-net: xsk: rx: move the xdp->data adjustment to buf_to_xdp()

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This commit does not do any functional changes. It moves xdp->data
adjustment for buffer other than first buffer to buf_to_xdp() helper so
that the xdp_buff adjustment does not scatter over different functions.

Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://patch.msgid.link/20250705075515.34260-1-minhquangbui99@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Bui Quang Minh 2025-07-05 14:55:14 +07:00 committed by Jakub Kicinski
parent b4bb2ac099
commit f47e8f618c
1 changed files with 9 additions and 2 deletions
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11
drivers/net/virtio_net.c
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@ -1179,7 +1179,14 @@ static struct xdp_buff *buf_to_xdp(struct virtnet_info *vi,
return NULL;
}
xsk_buff_set_size(xdp, len);
if (first_buf) {
xsk_buff_set_size(xdp, len);
} else {
xdp_prepare_buff(xdp, xdp->data_hard_start,
XDP_PACKET_HEADROOM - vi->hdr_len, len, 1);
xdp->flags = 0;
}
xsk_buff_dma_sync_for_cpu(xdp);
return xdp;
@ -1304,7 +1311,7 @@ static int xsk_append_merge_buffer(struct virtnet_info *vi,
goto err;
}
memcpy(buf, xdp->data - vi->hdr_len, len);
memcpy(buf, xdp->data, len);
xsk_buff_free(xdp);