From ec5791c202aca90c1b3b99dff268a995cf2d6aa1 Mon Sep 17 00:00:00 2001 From: Hayes Wang Date: Tue, 13 Aug 2019 11:42:05 +0800 Subject: [PATCH] r8152: separate the rx buffer size The different chips may accept different rx buffer sizes. The RTL8152 supports 16K bytes, and RTL8153 support 32K bytes. Signed-off-by: Hayes Wang Signed-off-by: Jakub Kicinski --- drivers/net/usb/r8152.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 0cc03a9ff545..94da79028a65 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -749,6 +749,7 @@ struct r8152 { u32 msg_enable; u32 tx_qlen; u32 coalesce; + u32 rx_buf_sz; u16 ocp_base; u16 speed; u8 *intr_buff; @@ -1516,13 +1517,13 @@ static int alloc_all_mem(struct r8152 *tp) skb_queue_head_init(&tp->rx_queue); for (i = 0; i < RTL8152_MAX_RX; i++) { - buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node); + buf = kmalloc_node(tp->rx_buf_sz, GFP_KERNEL, node); if (!buf) goto err1; if (buf != rx_agg_align(buf)) { kfree(buf); - buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL, + buf = kmalloc_node(tp->rx_buf_sz + RX_ALIGN, GFP_KERNEL, node); if (!buf) goto err1; @@ -2113,7 +2114,7 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) return 0; usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), - agg->head, agg_buf_sz, + agg->head, tp->rx_buf_sz, (usb_complete_t)read_bulk_callback, agg); ret = usb_submit_urb(agg->urb, mem_flags); @@ -2447,7 +2448,7 @@ static void r8153_set_rx_early_timeout(struct r8152 *tp) static void r8153_set_rx_early_size(struct r8152 *tp) { - u32 ocp_data = agg_buf_sz - rx_reserved_size(tp->netdev->mtu); + u32 ocp_data = tp->rx_buf_sz - rx_reserved_size(tp->netdev->mtu); switch (tp->version) { case RTL_VER_03: @@ -5115,6 +5116,7 @@ static int rtl_ops_init(struct r8152 *tp) ops->in_nway = rtl8152_in_nway; ops->hw_phy_cfg = r8152b_hw_phy_cfg; ops->autosuspend_en = rtl_runtime_suspend_enable; + tp->rx_buf_sz = 16 * 1024; break; case RTL_VER_03: @@ -5132,6 +5134,7 @@ static int rtl_ops_init(struct r8152 *tp) ops->in_nway = rtl8153_in_nway; ops->hw_phy_cfg = r8153_hw_phy_cfg; ops->autosuspend_en = rtl8153_runtime_enable; + tp->rx_buf_sz = 32 * 1024; break; case RTL_VER_08: @@ -5147,6 +5150,7 @@ static int rtl_ops_init(struct r8152 *tp) ops->in_nway = rtl8153_in_nway; ops->hw_phy_cfg = r8153b_hw_phy_cfg; ops->autosuspend_en = rtl8153b_runtime_enable; + tp->rx_buf_sz = 32 * 1024; break; default: