Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/net/ethernet/socionext/Kconfig b/drivers/net/ethernet/socionext/Kconfig
index 95e99ba..4829838 100644
--- a/drivers/net/ethernet/socionext/Kconfig
+++ b/drivers/net/ethernet/socionext/Kconfig
@@ -2,7 +2,7 @@
config NET_VENDOR_SOCIONEXT
bool "Socionext ethernet drivers"
default y
- ---help---
+ help
Option to select ethernet drivers for Socionext platforms.
Note that the answer to this question doesn't directly affect the
@@ -18,7 +18,7 @@
depends on HAS_IOMEM
select MFD_SYSCON
select PHYLIB
- ---help---
+ help
Driver for gigabit ethernet MACs, called AVE, in the
Socionext UniPhier family.
@@ -28,7 +28,7 @@
select PHYLIB
select PAGE_POOL
select MII
- ---help---
+ help
Enable to add support for the SocioNext NetSec Gigabit Ethernet
controller + PHY, as found on the Synquacer SC2A11 SoC
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index 33d7c29..ef3634d 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -6,6 +6,7 @@
#include <linux/pm_runtime.h>
#include <linux/acpi.h>
#include <linux/of_mdio.h>
+#include <linux/of_net.h>
#include <linux/etherdevice.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@@ -243,6 +244,7 @@
NET_IP_ALIGN)
#define NETSEC_RX_BUF_NON_DATA (NETSEC_RXBUF_HEADROOM + \
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
+#define NETSEC_RX_BUF_SIZE (PAGE_SIZE - NETSEC_RX_BUF_NON_DATA)
#define DESC_SZ sizeof(struct netsec_de)
@@ -252,7 +254,6 @@
#define NETSEC_XDP_CONSUMED BIT(0)
#define NETSEC_XDP_TX BIT(1)
#define NETSEC_XDP_REDIR BIT(2)
-#define NETSEC_XDP_RX_OK (NETSEC_XDP_PASS | NETSEC_XDP_TX | NETSEC_XDP_REDIR)
enum ring_id {
NETSEC_RING_TX = 0,
@@ -589,6 +590,8 @@
}
static const struct ethtool_ops netsec_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_MAX_FRAMES,
.get_drvinfo = netsec_et_get_drvinfo,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
@@ -661,6 +664,7 @@
bytes += desc->skb->len;
dev_kfree_skb(desc->skb);
} else {
+ bytes += desc->xdpf->len;
xdp_return_frame(desc->xdpf);
}
next:
@@ -719,7 +723,6 @@
{
struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];
- enum dma_data_direction dma_dir;
struct page *page;
page = page_pool_dev_alloc_pages(dring->page_pool);
@@ -734,9 +737,7 @@
/* Make sure the incoming payload fits in the page for XDP and non-XDP
* cases and reserve enough space for headroom + skb_shared_info
*/
- *desc_len = PAGE_SIZE - NETSEC_RX_BUF_NON_DATA;
- dma_dir = page_pool_get_dma_dir(dring->page_pool);
- dma_sync_single_for_device(priv->dev, *dma_handle, *desc_len, dma_dir);
+ *desc_len = NETSEC_RX_BUF_SIZE;
return page_address(page);
}
@@ -858,6 +859,7 @@
tx_desc.addr = xdpf->data;
tx_desc.len = xdpf->len;
+ netdev_sent_queue(priv->ndev, xdpf->len);
netsec_set_tx_de(priv, tx_ring, &tx_ctrl, &tx_desc, xdpf);
return NETSEC_XDP_TX;
@@ -866,7 +868,7 @@
static u32 netsec_xdp_xmit_back(struct netsec_priv *priv, struct xdp_buff *xdp)
{
struct netsec_desc_ring *tx_ring = &priv->desc_ring[NETSEC_RING_TX];
- struct xdp_frame *xdpf = convert_to_xdp_frame(xdp);
+ struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
u32 ret;
if (unlikely(!xdpf))
@@ -882,20 +884,29 @@
static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog,
struct xdp_buff *xdp)
{
+ struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];
+ unsigned int sync, len = xdp->data_end - xdp->data;
u32 ret = NETSEC_XDP_PASS;
+ struct page *page;
int err;
u32 act;
act = bpf_prog_run_xdp(prog, xdp);
+ /* Due xdp_adjust_tail: DMA sync for_device cover max len CPU touch */
+ sync = xdp->data_end - xdp->data_hard_start - NETSEC_RXBUF_HEADROOM;
+ sync = max(sync, len);
+
switch (act) {
case XDP_PASS:
ret = NETSEC_XDP_PASS;
break;
case XDP_TX:
ret = netsec_xdp_xmit_back(priv, xdp);
- if (ret != NETSEC_XDP_TX)
- xdp_return_buff(xdp);
+ if (ret != NETSEC_XDP_TX) {
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(dring->page_pool, page, sync, true);
+ }
break;
case XDP_REDIRECT:
err = xdp_do_redirect(priv->ndev, xdp, prog);
@@ -903,18 +914,20 @@
ret = NETSEC_XDP_REDIR;
} else {
ret = NETSEC_XDP_CONSUMED;
- xdp_return_buff(xdp);
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(dring->page_pool, page, sync, true);
}
break;
default:
bpf_warn_invalid_xdp_action(act);
- /* fall through */
+ fallthrough;
case XDP_ABORTED:
trace_xdp_exception(priv->ndev, prog, act);
- /* fall through -- handle aborts by dropping packet */
+ fallthrough; /* handle aborts by dropping packet */
case XDP_DROP:
ret = NETSEC_XDP_CONSUMED;
- xdp_return_buff(xdp);
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(dring->page_pool, page, sync, true);
break;
}
@@ -928,10 +941,14 @@
struct netsec_rx_pkt_info rx_info;
enum dma_data_direction dma_dir;
struct bpf_prog *xdp_prog;
+ struct xdp_buff xdp;
u16 xdp_xmit = 0;
u32 xdp_act = 0;
int done = 0;
+ xdp.rxq = &dring->xdp_rxq;
+ xdp.frame_sz = PAGE_SIZE;
+
rcu_read_lock();
xdp_prog = READ_ONCE(priv->xdp_prog);
dma_dir = page_pool_get_dma_dir(dring->page_pool);
@@ -945,7 +962,6 @@
struct sk_buff *skb = NULL;
u16 pkt_len, desc_len;
dma_addr_t dma_handle;
- struct xdp_buff xdp;
void *buf_addr;
if (de->attr & (1U << NETSEC_RX_PKT_OWN_FIELD)) {
@@ -994,7 +1010,6 @@
xdp.data = desc->addr + NETSEC_RXBUF_HEADROOM;
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + pkt_len;
- xdp.rxq = &dring->xdp_rxq;
if (xdp_prog) {
xdp_result = netsec_run_xdp(priv, xdp_prog, &xdp);
@@ -1013,7 +1028,8 @@
* cache state. Since we paid the allocation cost if
* building an skb fails try to put the page into cache
*/
- page_pool_recycle_direct(dring->page_pool, page);
+ page_pool_put_page(dring->page_pool, page, pkt_len,
+ true);
netif_err(priv, drv, priv->ndev,
"rx failed to build skb\n");
break;
@@ -1029,8 +1045,9 @@
skb->ip_summed = CHECKSUM_UNNECESSARY;
next:
- if ((skb && napi_gro_receive(&priv->napi, skb) != GRO_DROP) ||
- xdp_result & NETSEC_XDP_RX_OK) {
+ if (skb)
+ napi_gro_receive(&priv->napi, skb);
+ if (skb || xdp_result) {
ndev->stats.rx_packets++;
ndev->stats.rx_bytes += xdp.data_end - xdp.data;
}
@@ -1140,11 +1157,7 @@
~tcp_v4_check(0, ip_hdr(skb)->saddr,
ip_hdr(skb)->daddr, 0);
} else {
- ipv6_hdr(skb)->payload_len = 0;
- tcp_hdr(skb)->check =
- ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
- &ipv6_hdr(skb)->daddr,
- 0, IPPROTO_TCP, 0);
+ tcp_v6_gso_csum_prep(skb);
}
tx_ctrl.tcp_seg_offload_flag = true;
@@ -1191,7 +1204,7 @@
if (id == NETSEC_RING_RX) {
struct page *page = virt_to_page(desc->addr);
- page_pool_put_page(dring->page_pool, page, false);
+ page_pool_put_full_page(dring->page_pool, page, false);
} else if (id == NETSEC_RING_TX) {
dma_unmap_single(priv->dev, desc->dma_addr, desc->len,
DMA_TO_DEVICE);
@@ -1271,17 +1284,19 @@
{
struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];
struct bpf_prog *xdp_prog = READ_ONCE(priv->xdp_prog);
- struct page_pool_params pp_params = { 0 };
+ struct page_pool_params pp_params = {
+ .order = 0,
+ /* internal DMA mapping in page_pool */
+ .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV,
+ .pool_size = DESC_NUM,
+ .nid = NUMA_NO_NODE,
+ .dev = priv->dev,
+ .dma_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE,
+ .offset = NETSEC_RXBUF_HEADROOM,
+ .max_len = NETSEC_RX_BUF_SIZE,
+ };
int i, err;
- pp_params.order = 0;
- /* internal DMA mapping in page_pool */
- pp_params.flags = PP_FLAG_DMA_MAP;
- pp_params.pool_size = DESC_NUM;
- pp_params.nid = cpu_to_node(0);
- pp_params.dev = priv->dev;
- pp_params.dma_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
-
dring->page_pool = page_pool_create(&pp_params);
if (IS_ERR(dring->page_pool)) {
err = PTR_ERR(dring->page_pool);
@@ -1733,12 +1748,6 @@
return 0;
}
-static int netsec_netdev_ioctl(struct net_device *ndev, struct ifreq *ifr,
- int cmd)
-{
- return phy_mii_ioctl(ndev->phydev, ifr, cmd);
-}
-
static int netsec_xdp_xmit(struct net_device *ndev, int n,
struct xdp_frame **frames, u32 flags)
{
@@ -1806,9 +1815,6 @@
switch (xdp->command) {
case XDP_SETUP_PROG:
return netsec_xdp_setup(priv, xdp->prog, xdp->extack);
- case XDP_QUERY_PROG:
- xdp->prog_id = priv->xdp_prog ? priv->xdp_prog->aux->id : 0;
- return 0;
default:
return -EINVAL;
}
@@ -1823,7 +1829,7 @@
.ndo_set_features = netsec_netdev_set_features,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = netsec_netdev_ioctl,
+ .ndo_do_ioctl = phy_do_ioctl,
.ndo_xdp_xmit = netsec_xdp_xmit,
.ndo_bpf = netsec_xdp,
};
@@ -1831,6 +1837,14 @@
static int netsec_of_probe(struct platform_device *pdev,
struct netsec_priv *priv, u32 *phy_addr)
{
+ int err;
+
+ err = of_get_phy_mode(pdev->dev.of_node, &priv->phy_interface);
+ if (err) {
+ dev_err(&pdev->dev, "missing required property 'phy-mode'\n");
+ return err;
+ }
+
priv->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
if (!priv->phy_np) {
dev_err(&pdev->dev, "missing required property 'phy-handle'\n");
@@ -1857,6 +1871,14 @@
if (!IS_ENABLED(CONFIG_ACPI))
return -ENODEV;
+ /* ACPI systems are assumed to configure the PHY in firmware, so
+ * there is really no need to discover the PHY mode from the DSDT.
+ * Since firmware is known to exist in the field that configures the
+ * PHY correctly but passes the wrong mode string in the phy-mode
+ * device property, we have no choice but to ignore it.
+ */
+ priv->phy_interface = PHY_INTERFACE_MODE_NA;
+
ret = device_property_read_u32(&pdev->dev, "phy-channel", phy_addr);
if (ret) {
dev_err(&pdev->dev,
@@ -1993,13 +2015,6 @@
priv->msg_enable = NETIF_MSG_TX_ERR | NETIF_MSG_HW | NETIF_MSG_DRV |
NETIF_MSG_LINK | NETIF_MSG_PROBE;
- priv->phy_interface = device_get_phy_mode(&pdev->dev);
- if ((int)priv->phy_interface < 0) {
- dev_err(&pdev->dev, "missing required property 'phy-mode'\n");
- ret = -ENODEV;
- goto free_ndev;
- }
-
priv->ioaddr = devm_ioremap(&pdev->dev, mmio_res->start,
resource_size(mmio_res));
if (!priv->ioaddr) {
diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index 603d54f..501b9c7 100644
--- a/drivers/net/ethernet/socionext/sni_ave.c
+++ b/drivers/net/ethernet/socionext/sni_ave.c
@@ -1394,7 +1394,7 @@
return 0;
}
-static int ave_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t ave_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct ave_private *priv = netdev_priv(ndev);
u32 proc_idx, done_idx, ndesc, cmdsts;
@@ -1571,10 +1571,10 @@
return -EINVAL;
np = dev->of_node;
- phy_mode = of_get_phy_mode(np);
- if ((int)phy_mode < 0) {
+ ret = of_get_phy_mode(np, &phy_mode);
+ if (ret) {
dev_err(dev, "phy-mode not found\n");
- return -EINVAL;
+ return ret;
}
irq = platform_get_irq(pdev, 0);
@@ -1585,7 +1585,7 @@
if (IS_ERR(base))
return PTR_ERR(base);
- ndev = alloc_etherdev(sizeof(struct ave_private));
+ ndev = devm_alloc_etherdev(dev, sizeof(struct ave_private));
if (!ndev) {
dev_err(dev, "can't allocate ethernet device\n");
return -ENOMEM;
@@ -1632,7 +1632,7 @@
}
ret = dma_set_mask(dev, dma_mask);
if (ret)
- goto out_free_netdev;
+ return ret;
priv->tx.ndesc = AVE_NR_TXDESC;
priv->rx.ndesc = AVE_NR_RXDESC;
@@ -1645,10 +1645,8 @@
if (!name)
break;
priv->clk[i] = devm_clk_get(dev, name);
- if (IS_ERR(priv->clk[i])) {
- ret = PTR_ERR(priv->clk[i]);
- goto out_free_netdev;
- }
+ if (IS_ERR(priv->clk[i]))
+ return PTR_ERR(priv->clk[i]);
priv->nclks++;
}
@@ -1657,10 +1655,8 @@
if (!name)
break;
priv->rst[i] = devm_reset_control_get_shared(dev, name);
- if (IS_ERR(priv->rst[i])) {
- ret = PTR_ERR(priv->rst[i]);
- goto out_free_netdev;
- }
+ if (IS_ERR(priv->rst[i]))
+ return PTR_ERR(priv->rst[i]);
priv->nrsts++;
}
@@ -1669,26 +1665,23 @@
1, 0, &args);
if (ret) {
dev_err(dev, "can't get syscon-phy-mode property\n");
- goto out_free_netdev;
+ return ret;
}
priv->regmap = syscon_node_to_regmap(args.np);
of_node_put(args.np);
if (IS_ERR(priv->regmap)) {
dev_err(dev, "can't map syscon-phy-mode\n");
- ret = PTR_ERR(priv->regmap);
- goto out_free_netdev;
+ return PTR_ERR(priv->regmap);
}
ret = priv->data->get_pinmode(priv, phy_mode, args.args[0]);
if (ret) {
dev_err(dev, "invalid phy-mode setting\n");
- goto out_free_netdev;
+ return ret;
}
priv->mdio = devm_mdiobus_alloc(dev);
- if (!priv->mdio) {
- ret = -ENOMEM;
- goto out_free_netdev;
- }
+ if (!priv->mdio)
+ return -ENOMEM;
priv->mdio->priv = ndev;
priv->mdio->parent = dev;
priv->mdio->read = ave_mdiobus_read;
@@ -1725,8 +1718,6 @@
out_del_napi:
netif_napi_del(&priv->napi_rx);
netif_napi_del(&priv->napi_tx);
-out_free_netdev:
- free_netdev(ndev);
return ret;
}
@@ -1739,7 +1730,6 @@
unregister_netdev(ndev);
netif_napi_del(&priv->napi_rx);
netif_napi_del(&priv->napi_tx);
- free_netdev(ndev);
return 0;
}
@@ -1810,6 +1800,9 @@
break;
case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
priv->pinmode_val = 0;
break;
default:
@@ -1854,6 +1847,9 @@
priv->pinmode_val = SG_ETPINMODE_RMII(0);
break;
case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
priv->pinmode_val = 0;
break;
default:
@@ -1876,6 +1872,9 @@
priv->pinmode_val = SG_ETPINMODE_RMII(arg);
break;
case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
priv->pinmode_val = 0;
break;
default: