diff options
| author | Shenwei Wang <shenwei.wang@nxp.com> | 2025-09-10 13:52:07 -0500 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-14 14:20:01 -0700 |
| commit | 29e6d5f89e482ceccaa71358333316a7624df009 (patch) | |
| tree | 9ba6ebfaade1bd879d4256b750bd1a9805687601 | |
| parent | ec2a1681ed4f0aa74e15e4430e26afff514e4e19 (diff) | |
net: fec: add pagepool_order to support variable page size
Add a new pagepool_order member in the fec_enet_private struct
to allow dynamic configuration of page size for an instance. This
change clears the hardcoded page size assumptions.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Link: https://patch.msgid.link/20250910185211.721341-3-shenwei.wang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/freescale/fec.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 6 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 2969088dda09..47317346b2f3 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -620,6 +620,7 @@ struct fec_enet_private { unsigned int total_tx_ring_size; unsigned int total_rx_ring_size; unsigned int max_buf_size; + unsigned int pagepool_order; struct platform_device *pdev; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 9dacbb2371b7..05feffc4162b 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1783,7 +1783,7 @@ fec_enet_rx_queue(struct net_device *ndev, u16 queue_id, int budget) * These get messed up if we get called due to a busy condition. */ bdp = rxq->bd.cur; - xdp_init_buff(&xdp, PAGE_SIZE, &rxq->xdp_rxq); + xdp_init_buff(&xdp, PAGE_SIZE << fep->pagepool_order, &rxq->xdp_rxq); while (!((status = fec16_to_cpu(bdp->cbd_sc)) & BD_ENET_RX_EMPTY)) { @@ -1853,7 +1853,8 @@ fec_enet_rx_queue(struct net_device *ndev, u16 queue_id, int budget) * include that when passing upstream as it messes up * bridging applications. */ - skb = build_skb(page_address(page), PAGE_SIZE); + skb = build_skb(page_address(page), + PAGE_SIZE << fep->pagepool_order); if (unlikely(!skb)) { page_pool_recycle_direct(rxq->page_pool, page); ndev->stats.rx_dropped++; @@ -4563,6 +4564,7 @@ fec_probe(struct platform_device *pdev) fec_enet_clk_enable(ndev, false); pinctrl_pm_select_sleep_state(&pdev->dev); + fep->pagepool_order = 0; fep->max_buf_size = PKT_MAXBUF_SIZE; ndev->max_mtu = fep->max_buf_size - ETH_HLEN - ETH_FCS_LEN; |