diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/792-v5.13-r8152-add-help-function-to-change-mtu.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/792-v5.13-r8152-add-help-function-to-change-mtu.patch | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/target/linux/generic/backport-5.10/792-v5.13-r8152-add-help-function-to-change-mtu.patch b/target/linux/generic/backport-5.10/792-v5.13-r8152-add-help-function-to-change-mtu.patch deleted file mode 100644 index cd7a514b71..0000000000 --- a/target/linux/generic/backport-5.10/792-v5.13-r8152-add-help-function-to-change-mtu.patch +++ /dev/null @@ -1,157 +0,0 @@ -From f010a7d51cbb42bdb956f0a28b8868b15d7a3816 Mon Sep 17 00:00:00 2001 -From: Hayes Wang <hayeswang@realtek.com> -Date: Fri, 16 Apr 2021 16:04:34 +0800 -Subject: [PATCH] r8152: add help function to change mtu - -commit 67ce1a806f164e59a074fea8809725d3411eaa20 upstream. - -The different chips may have different requests when changing mtu. -Therefore, add a new help function of rtl_ops to change mtu. Besides, -reset the tx/rx after changing mtu. - -Additionally, add mtu_to_size() and size_to_mtu() macros to simplify -the code. - -Signed-off-by: Hayes Wang <hayeswang@realtek.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/usb/r8152.c | 53 ++++++++++++++++++++++++----------------- - 1 file changed, 31 insertions(+), 22 deletions(-) - ---- a/drivers/net/usb/r8152.c -+++ b/drivers/net/usb/r8152.c -@@ -657,15 +657,13 @@ enum rtl_register_content { - - #define INTR_LINK 0x0004 - --#define RTL8153_MAX_PACKET 9216 /* 9K */ --#define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - \ -- ETH_FCS_LEN) - #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) - #define RTL8153_RMS RTL8153_MAX_PACKET - #define RTL8152_TX_TIMEOUT (5 * HZ) - #define RTL8152_NAPI_WEIGHT 64 --#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + ETH_FCS_LEN + \ -- sizeof(struct rx_desc) + RX_ALIGN) -+#define mtu_to_size(m) ((m) + VLAN_ETH_HLEN + ETH_FCS_LEN) -+#define size_to_mtu(s) ((s) - VLAN_ETH_HLEN - ETH_FCS_LEN) -+#define rx_reserved_size(x) (mtu_to_size(x) + sizeof(struct rx_desc) + RX_ALIGN) - - /* rtl8152 flags */ - enum rtl8152_flags { -@@ -795,6 +793,7 @@ struct r8152 { - bool (*in_nway)(struct r8152 *tp); - void (*hw_phy_cfg)(struct r8152 *tp); - void (*autosuspend_en)(struct r8152 *tp, bool enable); -+ void (*change_mtu)(struct r8152 *tp); - } rtl_ops; - - struct ups_info { -@@ -1021,8 +1020,7 @@ enum tx_csum_stat { - static const int multicast_filter_limit = 32; - static unsigned int agg_buf_sz = 16384; - --#define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \ -- VLAN_ETH_HLEN - ETH_FCS_LEN) -+#define RTL_LIMITED_TSO_SIZE (size_to_mtu(agg_buf_sz) - sizeof(struct tx_desc)) - - static - int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) -@@ -2634,10 +2632,7 @@ static void rtl8152_nic_reset(struct r81 - - static void set_tx_qlen(struct r8152 *tp) - { -- struct net_device *netdev = tp->netdev; -- -- tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN + -- sizeof(struct tx_desc)); -+ tp->tx_qlen = agg_buf_sz / (mtu_to_size(tp->netdev->mtu) + sizeof(struct tx_desc)); - } - - static inline u8 rtl8152_get_speed(struct r8152 *tp) -@@ -4726,6 +4721,12 @@ static void r8153b_hw_phy_cfg(struct r81 - set_bit(PHY_RESET, &tp->flags); - } - -+static void rtl8153_change_mtu(struct r8152 *tp) -+{ -+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, mtu_to_size(tp->netdev->mtu)); -+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); -+} -+ - static void r8153_first_init(struct r8152 *tp) - { - u32 ocp_data; -@@ -4758,9 +4759,7 @@ static void r8153_first_init(struct r815 - - rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); - -- ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; -- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); -- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); -+ rtl8153_change_mtu(tp); - - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); - ocp_data |= TCR0_AUTO_FIFO; -@@ -4795,8 +4794,7 @@ static void r8153_enter_oob(struct r8152 - - wait_oob_link_list_ready(tp); - -- ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; -- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); -+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, mtu_to_size(tp->netdev->mtu)); - - switch (tp->version) { - case RTL_VER_03: -@@ -6497,12 +6495,21 @@ static int rtl8152_change_mtu(struct net - dev->mtu = new_mtu; - - if (netif_running(dev)) { -- u32 rms = new_mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; -- -- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rms); -+ if (tp->rtl_ops.change_mtu) -+ tp->rtl_ops.change_mtu(tp); - -- if (netif_carrier_ok(dev)) -- r8153_set_rx_early_size(tp); -+ if (netif_carrier_ok(dev)) { -+ netif_stop_queue(dev); -+ napi_disable(&tp->napi); -+ tasklet_disable(&tp->tx_tl); -+ tp->rtl_ops.disable(tp); -+ tp->rtl_ops.enable(tp); -+ rtl_start_rx(tp); -+ tasklet_enable(&tp->tx_tl); -+ napi_enable(&tp->napi); -+ rtl8152_set_rx_mode(dev); -+ netif_wake_queue(dev); -+ } - } - - mutex_unlock(&tp->control); -@@ -6591,6 +6598,7 @@ 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; -+ ops->change_mtu = rtl8153_change_mtu; - if (tp->udev->speed < USB_SPEED_SUPER) - tp->rx_buf_sz = 16 * 1024; - else -@@ -6612,6 +6620,7 @@ 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; -+ ops->change_mtu = rtl8153_change_mtu; - tp->rx_buf_sz = 32 * 1024; - tp->eee_en = true; - tp->eee_adv = MDIO_EEE_1000T | MDIO_EEE_100TX; -@@ -6832,7 +6841,7 @@ static int rtl8152_probe(struct usb_inte - netdev->max_mtu = ETH_DATA_LEN; - break; - default: -- netdev->max_mtu = RTL8153_MAX_MTU; -+ netdev->max_mtu = size_to_mtu(9 * 1024); - break; - } - |