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path: root/drivers/net/ethernet/ti/icssg/icssg_prueth.c
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Diffstat (limited to 'drivers/net/ethernet/ti/icssg/icssg_prueth.c')
-rw-r--r--drivers/net/ethernet/ti/icssg/icssg_prueth.c2078
1 files changed, 870 insertions, 1208 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index b69af69a1ccd..86fc1278127c 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -13,8 +13,10 @@
#include <linux/dma/ti-cppi5.h>
#include <linux/etherdevice.h>
#include <linux/genalloc.h>
+#include <linux/if_hsr.h>
#include <linux/if_vlan.h>
#include <linux/interrupt.h>
+#include <linux/io-64-nonatomic-hi-lo.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
@@ -27,577 +29,27 @@
#include <linux/remoteproc/pruss.h>
#include <linux/regmap.h>
#include <linux/remoteproc.h>
+#include <net/switchdev.h>
#include "icssg_prueth.h"
#include "icssg_mii_rt.h"
+#include "icssg_switchdev.h"
#include "../k3-cppi-desc-pool.h"
#define PRUETH_MODULE_DESCRIPTION "PRUSS ICSSG Ethernet driver"
-/* Netif debug messages possible */
-#define PRUETH_EMAC_DEBUG (NETIF_MSG_DRV | \
- NETIF_MSG_PROBE | \
- NETIF_MSG_LINK | \
- NETIF_MSG_TIMER | \
- NETIF_MSG_IFDOWN | \
- NETIF_MSG_IFUP | \
- NETIF_MSG_RX_ERR | \
- NETIF_MSG_TX_ERR | \
- NETIF_MSG_TX_QUEUED | \
- NETIF_MSG_INTR | \
- NETIF_MSG_TX_DONE | \
- NETIF_MSG_RX_STATUS | \
- NETIF_MSG_PKTDATA | \
- NETIF_MSG_HW | \
- NETIF_MSG_WOL)
-
-#define prueth_napi_to_emac(napi) container_of(napi, struct prueth_emac, napi_rx)
+#define DEFAULT_VID 1
+#define DEFAULT_PORT_MASK 1
+#define DEFAULT_UNTAG_MASK 1
+
+#define NETIF_PRUETH_HSR_OFFLOAD_FEATURES (NETIF_F_HW_HSR_FWD | \
+ NETIF_F_HW_HSR_DUP | \
+ NETIF_F_HW_HSR_TAG_INS | \
+ NETIF_F_HW_HSR_TAG_RM)
/* CTRLMMR_ICSSG_RGMII_CTRL register bits */
#define ICSSG_CTRL_RGMII_ID_MODE BIT(24)
-#define IEP_DEFAULT_CYCLE_TIME_NS 1000000 /* 1 ms */
-
-static void prueth_cleanup_rx_chns(struct prueth_emac *emac,
- struct prueth_rx_chn *rx_chn,
- int max_rflows)
-{
- if (rx_chn->desc_pool)
- k3_cppi_desc_pool_destroy(rx_chn->desc_pool);
-
- if (rx_chn->rx_chn)
- k3_udma_glue_release_rx_chn(rx_chn->rx_chn);
-}
-
-static void prueth_cleanup_tx_chns(struct prueth_emac *emac)
-{
- int i;
-
- for (i = 0; i < emac->tx_ch_num; i++) {
- struct prueth_tx_chn *tx_chn = &emac->tx_chns[i];
-
- if (tx_chn->desc_pool)
- k3_cppi_desc_pool_destroy(tx_chn->desc_pool);
-
- if (tx_chn->tx_chn)
- k3_udma_glue_release_tx_chn(tx_chn->tx_chn);
-
- /* Assume prueth_cleanup_tx_chns() is called at the
- * end after all channel resources are freed
- */
- memset(tx_chn, 0, sizeof(*tx_chn));
- }
-}
-
-static void prueth_ndev_del_tx_napi(struct prueth_emac *emac, int num)
-{
- int i;
-
- for (i = 0; i < num; i++) {
- struct prueth_tx_chn *tx_chn = &emac->tx_chns[i];
-
- if (tx_chn->irq)
- free_irq(tx_chn->irq, tx_chn);
- netif_napi_del(&tx_chn->napi_tx);
- }
-}
-
-static void prueth_xmit_free(struct prueth_tx_chn *tx_chn,
- struct cppi5_host_desc_t *desc)
-{
- struct cppi5_host_desc_t *first_desc, *next_desc;
- dma_addr_t buf_dma, next_desc_dma;
- u32 buf_dma_len;
-
- first_desc = desc;
- next_desc = first_desc;
-
- cppi5_hdesc_get_obuf(first_desc, &buf_dma, &buf_dma_len);
- k3_udma_glue_tx_cppi5_to_dma_addr(tx_chn->tx_chn, &buf_dma);
-
- dma_unmap_single(tx_chn->dma_dev, buf_dma, buf_dma_len,
- DMA_TO_DEVICE);
-
- next_desc_dma = cppi5_hdesc_get_next_hbdesc(first_desc);
- k3_udma_glue_tx_cppi5_to_dma_addr(tx_chn->tx_chn, &next_desc_dma);
- while (next_desc_dma) {
- next_desc = k3_cppi_desc_pool_dma2virt(tx_chn->desc_pool,
- next_desc_dma);
- cppi5_hdesc_get_obuf(next_desc, &buf_dma, &buf_dma_len);
- k3_udma_glue_tx_cppi5_to_dma_addr(tx_chn->tx_chn, &buf_dma);
-
- dma_unmap_page(tx_chn->dma_dev, buf_dma, buf_dma_len,
- DMA_TO_DEVICE);
-
- next_desc_dma = cppi5_hdesc_get_next_hbdesc(next_desc);
- k3_udma_glue_tx_cppi5_to_dma_addr(tx_chn->tx_chn, &next_desc_dma);
-
- k3_cppi_desc_pool_free(tx_chn->desc_pool, next_desc);
- }
-
- k3_cppi_desc_pool_free(tx_chn->desc_pool, first_desc);
-}
-
-static int emac_tx_complete_packets(struct prueth_emac *emac, int chn,
- int budget)
-{
- struct net_device *ndev = emac->ndev;
- struct cppi5_host_desc_t *desc_tx;
- struct netdev_queue *netif_txq;
- struct prueth_tx_chn *tx_chn;
- unsigned int total_bytes = 0;
- struct sk_buff *skb;
- dma_addr_t desc_dma;
- int res, num_tx = 0;
- void **swdata;
-
- tx_chn = &emac->tx_chns[chn];
-
- while (true) {
- res = k3_udma_glue_pop_tx_chn(tx_chn->tx_chn, &desc_dma);
- if (res == -ENODATA)
- break;
-
- /* teardown completion */
- if (cppi5_desc_is_tdcm(desc_dma)) {
- if (atomic_dec_and_test(&emac->tdown_cnt))
- complete(&emac->tdown_complete);
- break;
- }
-
- desc_tx = k3_cppi_desc_pool_dma2virt(tx_chn->desc_pool,
- desc_dma);
- swdata = cppi5_hdesc_get_swdata(desc_tx);
-
- skb = *(swdata);
- prueth_xmit_free(tx_chn, desc_tx);
-
- ndev = skb->dev;
- ndev->stats.tx_packets++;
- ndev->stats.tx_bytes += skb->len;
- total_bytes += skb->len;
- napi_consume_skb(skb, budget);
- num_tx++;
- }
-
- if (!num_tx)
- return 0;
-
- netif_txq = netdev_get_tx_queue(ndev, chn);
- netdev_tx_completed_queue(netif_txq, num_tx, total_bytes);
-
- if (netif_tx_queue_stopped(netif_txq)) {
- /* If the TX queue was stopped, wake it now
- * if we have enough room.
- */
- __netif_tx_lock(netif_txq, smp_processor_id());
- if (netif_running(ndev) &&
- (k3_cppi_desc_pool_avail(tx_chn->desc_pool) >=
- MAX_SKB_FRAGS))
- netif_tx_wake_queue(netif_txq);
- __netif_tx_unlock(netif_txq);
- }
-
- return num_tx;
-}
-
-static int emac_napi_tx_poll(struct napi_struct *napi_tx, int budget)
-{
- struct prueth_tx_chn *tx_chn = prueth_napi_to_tx_chn(napi_tx);
- struct prueth_emac *emac = tx_chn->emac;
- int num_tx_packets;
-
- num_tx_packets = emac_tx_complete_packets(emac, tx_chn->id, budget);
-
- if (num_tx_packets >= budget)
- return budget;
-
- if (napi_complete_done(napi_tx, num_tx_packets))
- enable_irq(tx_chn->irq);
-
- return num_tx_packets;
-}
-
-static irqreturn_t prueth_tx_irq(int irq, void *dev_id)
-{
- struct prueth_tx_chn *tx_chn = dev_id;
-
- disable_irq_nosync(irq);
- napi_schedule(&tx_chn->napi_tx);
-
- return IRQ_HANDLED;
-}
-
-static int prueth_ndev_add_tx_napi(struct prueth_emac *emac)
-{
- struct prueth *prueth = emac->prueth;
- int i, ret;
-
- for (i = 0; i < emac->tx_ch_num; i++) {
- struct prueth_tx_chn *tx_chn = &emac->tx_chns[i];
-
- netif_napi_add_tx(emac->ndev, &tx_chn->napi_tx, emac_napi_tx_poll);
- ret = request_irq(tx_chn->irq, prueth_tx_irq,
- IRQF_TRIGGER_HIGH, tx_chn->name,
- tx_chn);
- if (ret) {
- netif_napi_del(&tx_chn->napi_tx);
- dev_err(prueth->dev, "unable to request TX IRQ %d\n",
- tx_chn->irq);
- goto fail;
- }
- }
-
- return 0;
-fail:
- prueth_ndev_del_tx_napi(emac, i);
- return ret;
-}
-
-static int prueth_init_tx_chns(struct prueth_emac *emac)
-{
- static const struct k3_ring_cfg ring_cfg = {
- .elm_size = K3_RINGACC_RING_ELSIZE_8,
- .mode = K3_RINGACC_RING_MODE_RING,
- .flags = 0,
- .size = PRUETH_MAX_TX_DESC,
- };
- struct k3_udma_glue_tx_channel_cfg tx_cfg;
- struct device *dev = emac->prueth->dev;
- struct net_device *ndev = emac->ndev;
- int ret, slice, i;
- u32 hdesc_size;
-
- slice = prueth_emac_slice(emac);
- if (slice < 0)
- return slice;
-
- init_completion(&emac->tdown_complete);
-
- hdesc_size = cppi5_hdesc_calc_size(true, PRUETH_NAV_PS_DATA_SIZE,
- PRUETH_NAV_SW_DATA_SIZE);
- memset(&tx_cfg, 0, sizeof(tx_cfg));
- tx_cfg.swdata_size = PRUETH_NAV_SW_DATA_SIZE;
- tx_cfg.tx_cfg = ring_cfg;
- tx_cfg.txcq_cfg = ring_cfg;
-
- for (i = 0; i < emac->tx_ch_num; i++) {
- struct prueth_tx_chn *tx_chn = &emac->tx_chns[i];
-
- /* To differentiate channels for SLICE0 vs SLICE1 */
- snprintf(tx_chn->name, sizeof(tx_chn->name),
- "tx%d-%d", slice, i);
-
- tx_chn->emac = emac;
- tx_chn->id = i;
- tx_chn->descs_num = PRUETH_MAX_TX_DESC;
-
- tx_chn->tx_chn =
- k3_udma_glue_request_tx_chn(dev, tx_chn->name,
- &tx_cfg);
- if (IS_ERR(tx_chn->tx_chn)) {
- ret = PTR_ERR(tx_chn->tx_chn);
- tx_chn->tx_chn = NULL;
- netdev_err(ndev,
- "Failed to request tx dma ch: %d\n", ret);
- goto fail;
- }
-
- tx_chn->dma_dev = k3_udma_glue_tx_get_dma_device(tx_chn->tx_chn);
- tx_chn->desc_pool =
- k3_cppi_desc_pool_create_name(tx_chn->dma_dev,
- tx_chn->descs_num,
- hdesc_size,
- tx_chn->name);
- if (IS_ERR(tx_chn->desc_pool)) {
- ret = PTR_ERR(tx_chn->desc_pool);
- tx_chn->desc_pool = NULL;
- netdev_err(ndev, "Failed to create tx pool: %d\n", ret);
- goto fail;
- }
-
- ret = k3_udma_glue_tx_get_irq(tx_chn->tx_chn);
- if (ret < 0) {
- netdev_err(ndev, "failed to get tx irq\n");
- goto fail;
- }
- tx_chn->irq = ret;
-
- snprintf(tx_chn->name, sizeof(tx_chn->name), "%s-tx%d",
- dev_name(dev), tx_chn->id);
- }
-
- return 0;
-
-fail:
- prueth_cleanup_tx_chns(emac);
- return ret;
-}
-
-static int prueth_init_rx_chns(struct prueth_emac *emac,
- struct prueth_rx_chn *rx_chn,
- char *name, u32 max_rflows,
- u32 max_desc_num)
-{
- struct k3_udma_glue_rx_channel_cfg rx_cfg;
- struct device *dev = emac->prueth->dev;
- struct net_device *ndev = emac->ndev;
- u32 fdqring_id, hdesc_size;
- int i, ret = 0, slice;
-
- slice = prueth_emac_slice(emac);
- if (slice < 0)
- return slice;
-
- /* To differentiate channels for SLICE0 vs SLICE1 */
- snprintf(rx_chn->name, sizeof(rx_chn->name), "%s%d", name, slice);
-
- hdesc_size = cppi5_hdesc_calc_size(true, PRUETH_NAV_PS_DATA_SIZE,
- PRUETH_NAV_SW_DATA_SIZE);
- memset(&rx_cfg, 0, sizeof(rx_cfg));
- rx_cfg.swdata_size = PRUETH_NAV_SW_DATA_SIZE;
- rx_cfg.flow_id_num = max_rflows;
- rx_cfg.flow_id_base = -1; /* udmax will auto select flow id base */
-
- /* init all flows */
- rx_chn->dev = dev;
- rx_chn->descs_num = max_desc_num;
-
- rx_chn->rx_chn = k3_udma_glue_request_rx_chn(dev, rx_chn->name,
- &rx_cfg);
- if (IS_ERR(rx_chn->rx_chn)) {
- ret = PTR_ERR(rx_chn->rx_chn);
- rx_chn->rx_chn = NULL;
- netdev_err(ndev, "Failed to request rx dma ch: %d\n", ret);
- goto fail;
- }
-
- rx_chn->dma_dev = k3_udma_glue_rx_get_dma_device(rx_chn->rx_chn);
- rx_chn->desc_pool = k3_cppi_desc_pool_create_name(rx_chn->dma_dev,
- rx_chn->descs_num,
- hdesc_size,
- rx_chn->name);
- if (IS_ERR(rx_chn->desc_pool)) {
- ret = PTR_ERR(rx_chn->desc_pool);
- rx_chn->desc_pool = NULL;
- netdev_err(ndev, "Failed to create rx pool: %d\n", ret);
- goto fail;
- }
-
- emac->rx_flow_id_base = k3_udma_glue_rx_get_flow_id_base(rx_chn->rx_chn);
- netdev_dbg(ndev, "flow id base = %d\n", emac->rx_flow_id_base);
-
- fdqring_id = K3_RINGACC_RING_ID_ANY;
- for (i = 0; i < rx_cfg.flow_id_num; i++) {
- struct k3_ring_cfg rxring_cfg = {
- .elm_size = K3_RINGACC_RING_ELSIZE_8,
- .mode = K3_RINGACC_RING_MODE_RING,
- .flags = 0,
- };
- struct k3_ring_cfg fdqring_cfg = {
- .elm_size = K3_RINGACC_RING_ELSIZE_8,
- .flags = K3_RINGACC_RING_SHARED,
- };
- struct k3_udma_glue_rx_flow_cfg rx_flow_cfg = {
- .rx_cfg = rxring_cfg,
- .rxfdq_cfg = fdqring_cfg,
- .ring_rxq_id = K3_RINGACC_RING_ID_ANY,
- .src_tag_lo_sel =
- K3_UDMA_GLUE_SRC_TAG_LO_USE_REMOTE_SRC_TAG,
- };
-
- rx_flow_cfg.ring_rxfdq0_id = fdqring_id;
- rx_flow_cfg.rx_cfg.size = max_desc_num;
- rx_flow_cfg.rxfdq_cfg.size = max_desc_num;
- rx_flow_cfg.rxfdq_cfg.mode = emac->prueth->pdata.fdqring_mode;
-
- ret = k3_udma_glue_rx_flow_init(rx_chn->rx_chn,
- i, &rx_flow_cfg);
- if (ret) {
- netdev_err(ndev, "Failed to init rx flow%d %d\n",
- i, ret);
- goto fail;
- }
- if (!i)
- fdqring_id = k3_udma_glue_rx_flow_get_fdq_id(rx_chn->rx_chn,
- i);
- ret = k3_udma_glue_rx_get_irq(rx_chn->rx_chn, i);
- if (ret <= 0) {
- if (!ret)
- ret = -ENXIO;
- netdev_err(ndev, "Failed to get rx dma irq");
- goto fail;
- }
- rx_chn->irq[i] = ret;
- }
-
- return 0;
-
-fail:
- prueth_cleanup_rx_chns(emac, rx_chn, max_rflows);
- return ret;
-}
-
-static int prueth_dma_rx_push(struct prueth_emac *emac,
- struct sk_buff *skb,
- struct prueth_rx_chn *rx_chn)
-{
- struct net_device *ndev = emac->ndev;
- struct cppi5_host_desc_t *desc_rx;
- u32 pkt_len = skb_tailroom(skb);
- dma_addr_t desc_dma;
- dma_addr_t buf_dma;
- void **swdata;
-
- desc_rx = k3_cppi_desc_pool_alloc(rx_chn->desc_pool);
- if (!desc_rx) {
- netdev_err(ndev, "rx push: failed to allocate descriptor\n");
- return -ENOMEM;
- }
- desc_dma = k3_cppi_desc_pool_virt2dma(rx_chn->desc_pool, desc_rx);
-
- buf_dma = dma_map_single(rx_chn->dma_dev, skb->data, pkt_len, DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(rx_chn->dma_dev, buf_dma))) {
- k3_cppi_desc_pool_free(rx_chn->desc_pool, desc_rx);
- netdev_err(ndev, "rx push: failed to map rx pkt buffer\n");
- return -EINVAL;
- }
-
- cppi5_hdesc_init(desc_rx, CPPI5_INFO0_HDESC_EPIB_PRESENT,
- PRUETH_NAV_PS_DATA_SIZE);
- k3_udma_glue_rx_dma_to_cppi5_addr(rx_chn->rx_chn, &buf_dma);
- cppi5_hdesc_attach_buf(desc_rx, buf_dma, skb_tailroom(skb), buf_dma, skb_tailroom(skb));
-
- swdata = cppi5_hdesc_get_swdata(desc_rx);
- *swdata = skb;
-
- return k3_udma_glue_push_rx_chn(rx_chn->rx_chn, 0,
- desc_rx, desc_dma);
-}
-
-static u64 icssg_ts_to_ns(u32 hi_sw, u32 hi, u32 lo, u32 cycle_time_ns)
-{
- u32 iepcount_lo, iepcount_hi, hi_rollover_count;
- u64 ns;
-
- iepcount_lo = lo & GENMASK(19, 0);
- iepcount_hi = (hi & GENMASK(11, 0)) << 12 | lo >> 20;
- hi_rollover_count = hi >> 11;
-
- ns = ((u64)hi_rollover_count) << 23 | (iepcount_hi + hi_sw);
- ns = ns * cycle_time_ns + iepcount_lo;
-
- return ns;
-}
-
-static void emac_rx_timestamp(struct prueth_emac *emac,
- struct sk_buff *skb, u32 *psdata)
-{
- struct skb_shared_hwtstamps *ssh;
- u64 ns;
-
- u32 hi_sw = readl(emac->prueth->shram.va +
- TIMESYNC_FW_WC_COUNT_HI_SW_OFFSET_OFFSET);
- ns = icssg_ts_to_ns(hi_sw, psdata[1], psdata[0],
- IEP_DEFAULT_CYCLE_TIME_NS);
-
- ssh = skb_hwtstamps(skb);
- memset(ssh, 0, sizeof(*ssh));
- ssh->hwtstamp = ns_to_ktime(ns);
-}
-
-static int emac_rx_packet(struct prueth_emac *emac, u32 flow_id)
-{
- struct prueth_rx_chn *rx_chn = &emac->rx_chns;
- u32 buf_dma_len, pkt_len, port_id = 0;
- struct net_device *ndev = emac->ndev;
- struct cppi5_host_desc_t *desc_rx;
- struct sk_buff *skb, *new_skb;
- dma_addr_t desc_dma, buf_dma;
- void **swdata;
- u32 *psdata;
- int ret;
-
- ret = k3_udma_glue_pop_rx_chn(rx_chn->rx_chn, flow_id, &desc_dma);
- if (ret) {
- if (ret != -ENODATA)
- netdev_err(ndev, "rx pop: failed: %d\n", ret);
- return ret;
- }
-
- if (cppi5_desc_is_tdcm(desc_dma)) /* Teardown ? */
- return 0;
-
- desc_rx = k3_cppi_desc_pool_dma2virt(rx_chn->desc_pool, desc_dma);
-
- swdata = cppi5_hdesc_get_swdata(desc_rx);
- skb = *swdata;
-
- psdata = cppi5_hdesc_get_psdata(desc_rx);
- /* RX HW timestamp */
- if (emac->rx_ts_enabled)
- emac_rx_timestamp(emac, skb, psdata);
-
- cppi5_hdesc_get_obuf(desc_rx, &buf_dma, &buf_dma_len);
- k3_udma_glue_rx_cppi5_to_dma_addr(rx_chn->rx_chn, &buf_dma);
- pkt_len = cppi5_hdesc_get_pktlen(desc_rx);
- /* firmware adds 4 CRC bytes, strip them */
- pkt_len -= 4;
- cppi5_desc_get_tags_ids(&desc_rx->hdr, &port_id, NULL);
-
- dma_unmap_single(rx_chn->dma_dev, buf_dma, buf_dma_len, DMA_FROM_DEVICE);
- k3_cppi_desc_pool_free(rx_chn->desc_pool, desc_rx);
-
- skb->dev = ndev;
- new_skb = netdev_alloc_skb_ip_align(ndev, PRUETH_MAX_PKT_SIZE);
- /* if allocation fails we drop the packet but push the
- * descriptor back to the ring with old skb to prevent a stall
- */
- if (!new_skb) {
- ndev->stats.rx_dropped++;
- new_skb = skb;
- } else {
- /* send the filled skb up the n/w stack */
- skb_put(skb, pkt_len);
- skb->protocol = eth_type_trans(skb, ndev);
- napi_gro_receive(&emac->napi_rx, skb);
- ndev->stats.rx_bytes += pkt_len;
- ndev->stats.rx_packets++;
- }
-
- /* queue another RX DMA */
- ret = prueth_dma_rx_push(emac, new_skb, &emac->rx_chns);
- if (WARN_ON(ret < 0)) {
- dev_kfree_skb_any(new_skb);
- ndev->stats.rx_errors++;
- ndev->stats.rx_dropped++;
- }
-
- return ret;
-}
-
-static void prueth_rx_cleanup(void *data, dma_addr_t desc_dma)
-{
- struct prueth_rx_chn *rx_chn = data;
- struct cppi5_host_desc_t *desc_rx;
- struct sk_buff *skb;
- dma_addr_t buf_dma;
- u32 buf_dma_len;
- void **swdata;
-
- desc_rx = k3_cppi_desc_pool_dma2virt(rx_chn->desc_pool, desc_dma);
- swdata = cppi5_hdesc_get_swdata(desc_rx);
- skb = *swdata;
- cppi5_hdesc_get_obuf(desc_rx, &buf_dma, &buf_dma_len);
- k3_udma_glue_rx_cppi5_to_dma_addr(rx_chn->rx_chn, &buf_dma);
-
- dma_unmap_single(rx_chn->dma_dev, buf_dma, buf_dma_len,
- DMA_FROM_DEVICE);
- k3_cppi_desc_pool_free(rx_chn->desc_pool, desc_rx);
-
- dev_kfree_skb_any(skb);
-}
-
static int emac_get_tx_ts(struct prueth_emac *emac,
struct emac_tx_ts_response *rsp)
{
@@ -663,208 +115,6 @@ static void tx_ts_work(struct prueth_emac *emac)
}
}
-static int prueth_tx_ts_cookie_get(struct prueth_emac *emac)
-{
- int i;
-
- /* search and get the next free slot */
- for (i = 0; i < PRUETH_MAX_TX_TS_REQUESTS; i++) {
- if (!emac->tx_ts_skb[i]) {
- emac->tx_ts_skb[i] = ERR_PTR(-EBUSY); /* reserve slot */
- return i;
- }
- }
-
- return -EBUSY;
-}
-
-/**
- * emac_ndo_start_xmit - EMAC Transmit function
- * @skb: SKB pointer
- * @ndev: EMAC network adapter
- *
- * Called by the system to transmit a packet - we queue the packet in
- * EMAC hardware transmit queue
- * Doesn't wait for completion we'll check for TX completion in
- * emac_tx_complete_packets().
- *
- * Return: enum netdev_tx
- */
-static enum netdev_tx emac_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
-{
- struct cppi5_host_desc_t *first_desc, *next_desc, *cur_desc;
- struct prueth_emac *emac = netdev_priv(ndev);
- struct netdev_queue *netif_txq;
- struct prueth_tx_chn *tx_chn;
- dma_addr_t desc_dma, buf_dma;
- int i, ret = 0, q_idx;
- bool in_tx_ts = 0;
- int tx_ts_cookie;
- void **swdata;
- u32 pkt_len;
- u32 *epib;
-
- pkt_len = skb_headlen(skb);
- q_idx = skb_get_queue_mapping(skb);
-
- tx_chn = &emac->tx_chns[q_idx];
- netif_txq = netdev_get_tx_queue(ndev, q_idx);
-
- /* Map the linear buffer */
- buf_dma = dma_map_single(tx_chn->dma_dev, skb->data, pkt_len, DMA_TO_DEVICE);
- if (dma_mapping_error(tx_chn->dma_dev, buf_dma)) {
- netdev_err(ndev, "tx: failed to map skb buffer\n");
- ret = NETDEV_TX_OK;
- goto drop_free_skb;
- }
-
- first_desc = k3_cppi_desc_pool_alloc(tx_chn->desc_pool);
- if (!first_desc) {
- netdev_dbg(ndev, "tx: failed to allocate descriptor\n");
- dma_unmap_single(tx_chn->dma_dev, buf_dma, pkt_len, DMA_TO_DEVICE);
- goto drop_stop_q_busy;
- }
-
- cppi5_hdesc_init(first_desc, CPPI5_INFO0_HDESC_EPIB_PRESENT,
- PRUETH_NAV_PS_DATA_SIZE);
- cppi5_hdesc_set_pkttype(first_desc, 0);
- epib = first_desc->epib;
- epib[0] = 0;
- epib[1] = 0;
- if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP &&
- emac->tx_ts_enabled) {
- tx_ts_cookie = prueth_tx_ts_cookie_get(emac);
- if (tx_ts_cookie >= 0) {
- skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
- /* Request TX timestamp */
- epib[0] = (u32)tx_ts_cookie;
- epib[1] = 0x80000000; /* TX TS request */
- emac->tx_ts_skb[tx_ts_cookie] = skb_get(skb);
- in_tx_ts = 1;
- }
- }
-
- /* set dst tag to indicate internal qid at the firmware which is at
- * bit8..bit15. bit0..bit7 indicates port num for directed
- * packets in case of switch mode operation
- */
- cppi5_desc_set_tags_ids(&first_desc->hdr, 0, (emac->port_id | (q_idx << 8)));
- k3_udma_glue_tx_dma_to_cppi5_addr(tx_chn->tx_chn, &buf_dma);
- cppi5_hdesc_attach_buf(first_desc, buf_dma, pkt_len, buf_dma, pkt_len);
- swdata = cppi5_hdesc_get_swdata(first_desc);
- *swdata = skb;
-
- /* Handle the case where skb is fragmented in pages */
- cur_desc = first_desc;
- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- u32 frag_size = skb_frag_size(frag);
-
- next_desc = k3_cppi_desc_pool_alloc(tx_chn->desc_pool);
- if (!next_desc) {
- netdev_err(ndev,
- "tx: failed to allocate frag. descriptor\n");
- goto free_desc_stop_q_busy_cleanup_tx_ts;
- }
-
- buf_dma = skb_frag_dma_map(tx_chn->dma_dev, frag, 0, frag_size,
- DMA_TO_DEVICE);
- if (dma_mapping_error(tx_chn->dma_dev, buf_dma)) {
- netdev_err(ndev, "tx: Failed to map skb page\n");
- k3_cppi_desc_pool_free(tx_chn->desc_pool, next_desc);
- ret = NETDEV_TX_OK;
- goto cleanup_tx_ts;
- }
-
- cppi5_hdesc_reset_hbdesc(next_desc);
- k3_udma_glue_tx_dma_to_cppi5_addr(tx_chn->tx_chn, &buf_dma);
- cppi5_hdesc_attach_buf(next_desc,
- buf_dma, frag_size, buf_dma, frag_size);
-
- desc_dma = k3_cppi_desc_pool_virt2dma(tx_chn->desc_pool,
- next_desc);
- k3_udma_glue_tx_dma_to_cppi5_addr(tx_chn->tx_chn, &desc_dma);
- cppi5_hdesc_link_hbdesc(cur_desc, desc_dma);
-
- pkt_len += frag_size;
- cur_desc = next_desc;
- }
- WARN_ON_ONCE(pkt_len != skb->len);
-
- /* report bql before sending packet */
- netdev_tx_sent_queue(netif_txq, pkt_len);
-
- cppi5_hdesc_set_pktlen(first_desc, pkt_len);
- desc_dma = k3_cppi_desc_pool_virt2dma(tx_chn->desc_pool, first_desc);
- /* cppi5_desc_dump(first_desc, 64); */
-
- skb_tx_timestamp(skb); /* SW timestamp if SKBTX_IN_PROGRESS not set */
- ret = k3_udma_glue_push_tx_chn(tx_chn->tx_chn, first_desc, desc_dma);
- if (ret) {
- netdev_err(ndev, "tx: push failed: %d\n", ret);
- goto drop_free_descs;
- }
-
- if (in_tx_ts)
- atomic_inc(&emac->tx_ts_pending);
-
- if (k3_cppi_desc_pool_avail(tx_chn->desc_pool) < MAX_SKB_FRAGS) {
- netif_tx_stop_queue(netif_txq);
- /* Barrier, so that stop_queue visible to other cpus */
- smp_mb__after_atomic();
-
- if (k3_cppi_desc_pool_avail(tx_chn->desc_pool) >=
- MAX_SKB_FRAGS)
- netif_tx_wake_queue(netif_txq);
- }
-
- return NETDEV_TX_OK;
-
-cleanup_tx_ts:
- if (in_tx_ts) {
- dev_kfree_skb_any(emac->tx_ts_skb[tx_ts_cookie]);
- emac->tx_ts_skb[tx_ts_cookie] = NULL;
- }
-
-drop_free_descs:
- prueth_xmit_free(tx_chn, first_desc);
-
-drop_free_skb:
- dev_kfree_skb_any(skb);
-
- /* error */
- ndev->stats.tx_dropped++;
- netdev_err(ndev, "tx: error: %d\n", ret);
-
- return ret;
-
-free_desc_stop_q_busy_cleanup_tx_ts:
- if (in_tx_ts) {
- dev_kfree_skb_any(emac->tx_ts_skb[tx_ts_cookie]);
- emac->tx_ts_skb[tx_ts_cookie] = NULL;
- }
- prueth_xmit_free(tx_chn, first_desc);
-
-drop_stop_q_busy:
- netif_tx_stop_queue(netif_txq);
- return NETDEV_TX_BUSY;
-}
-
-static void prueth_tx_cleanup(void *data, dma_addr_t desc_dma)
-{
- struct prueth_tx_chn *tx_chn = data;
- struct cppi5_host_desc_t *desc_tx;
- struct sk_buff *skb;
- void **swdata;
-
- desc_tx = k3_cppi_desc_pool_dma2virt(tx_chn->desc_pool, desc_dma);
- swdata = cppi5_hdesc_get_swdata(desc_tx);
- skb = *(swdata);
- prueth_xmit_free(tx_chn, desc_tx);
-
- dev_kfree_skb_any(skb);
-}
-
static irqreturn_t prueth_tx_ts_irq(int irq, void *dev_id)
{
struct prueth_emac *emac = dev_id;
@@ -875,20 +125,30 @@ static irqreturn_t prueth_tx_ts_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static irqreturn_t prueth_rx_irq(int irq, void *dev_id)
-{
- struct prueth_emac *emac = dev_id;
-
- disable_irq_nosync(irq);
- napi_schedule(&emac->napi_rx);
-
- return IRQ_HANDLED;
-}
+static struct icssg_firmwares icssg_hsr_firmwares[] = {
+ {
+ .pru = "ti-pruss/am65x-sr2-pru0-pruhsr-fw.elf",
+ .rtu = "ti-pruss/am65x-sr2-rtu0-pruhsr-fw.elf",
+ .txpru = "ti-pruss/am65x-sr2-txpru0-pruhsr-fw.elf",
+ },
+ {
+ .pru = "ti-pruss/am65x-sr2-pru1-pruhsr-fw.elf",
+ .rtu = "ti-pruss/am65x-sr2-rtu1-pruhsr-fw.elf",
+ .txpru = "ti-pruss/am65x-sr2-txpru1-pruhsr-fw.elf",
+ }
+};
-struct icssg_firmwares {
- char *pru;
- char *rtu;
- char *txpru;
+static struct icssg_firmwares icssg_switch_firmwares[] = {
+ {
+ .pru = "ti-pruss/am65x-sr2-pru0-prusw-fw.elf",
+ .rtu = "ti-pruss/am65x-sr2-rtu0-prusw-fw.elf",
+ .txpru = "ti-pruss/am65x-sr2-txpru0-prusw-fw.elf",
+ },
+ {
+ .pru = "ti-pruss/am65x-sr2-pru1-prusw-fw.elf",
+ .rtu = "ti-pruss/am65x-sr2-rtu1-prusw-fw.elf",
+ .txpru = "ti-pruss/am65x-sr2-txpru1-prusw-fw.elf",
+ }
};
static struct icssg_firmwares icssg_emac_firmwares[] = {
@@ -904,90 +164,152 @@ static struct icssg_firmwares icssg_emac_firmwares[] = {
}
};
-static int prueth_emac_start(struct prueth *prueth, struct prueth_emac *emac)
+static int prueth_start(struct rproc *rproc, const char *fw_name)
+{
+ int ret;
+
+ ret = rproc_set_firmware(rproc, fw_name);
+ if (ret)
+ return ret;
+ return rproc_boot(rproc);
+}
+
+static void prueth_shutdown(struct rproc *rproc)
+{
+ rproc_shutdown(rproc);
+}
+
+static int prueth_emac_start(struct prueth *prueth)
{
struct icssg_firmwares *firmwares;
struct device *dev = prueth->dev;
- int slice, ret;
+ int ret, slice;
+
+ if (prueth->is_switch_mode)
+ firmwares = icssg_switch_firmwares;
+ else if (prueth->is_hsr_offload_mode)
+ firmwares = icssg_hsr_firmwares;
+ else
+ firmwares = icssg_emac_firmwares;
- firmwares = icssg_emac_firmwares;
+ for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+ ret = prueth_start(prueth->pru[slice], firmwares[slice].pru);
+ if (ret) {
+ dev_err(dev, "failed to boot PRU%d: %d\n", slice, ret);
+ goto unwind_slices;
+ }
- slice = prueth_emac_slice(emac);
- if (slice < 0) {
- netdev_err(emac->ndev, "invalid port\n");
- return -EINVAL;
+ ret = prueth_start(prueth->rtu[slice], firmwares[slice].rtu);
+ if (ret) {
+ dev_err(dev, "failed to boot RTU%d: %d\n", slice, ret);
+ rproc_shutdown(prueth->pru[slice]);
+ goto unwind_slices;
+ }
+
+ ret = prueth_start(prueth->txpru[slice], firmwares[slice].txpru);
+ if (ret) {
+ dev_err(dev, "failed to boot TX_PRU%d: %d\n", slice, ret);
+ rproc_shutdown(prueth->rtu[slice]);
+ rproc_shutdown(prueth->pru[slice]);
+ goto unwind_slices;
+ }
}
- ret = icssg_config(prueth, emac, slice);
- if (ret)
- return ret;
+ return 0;
- ret = rproc_set_firmware(prueth->pru[slice], firmwares[slice].pru);
- ret = rproc_boot(prueth->pru[slice]);
- if (ret) {
- dev_err(dev, "failed to boot PRU%d: %d\n", slice, ret);
- return -EINVAL;
+unwind_slices:
+ while (--slice >= 0) {
+ prueth_shutdown(prueth->txpru[slice]);
+ prueth_shutdown(prueth->rtu[slice]);
+ prueth_shutdown(prueth->pru[slice]);
}
- ret = rproc_set_firmware(prueth->rtu[slice], firmwares[slice].rtu);
- ret = rproc_boot(prueth->rtu[slice]);
- if (ret) {
- dev_err(dev, "failed to boot RTU%d: %d\n", slice, ret);
- goto halt_pru;
+ return ret;
+}
+
+static void prueth_emac_stop(struct prueth *prueth)
+{
+ int slice;
+
+ for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+ prueth_shutdown(prueth->txpru[slice]);
+ prueth_shutdown(prueth->rtu[slice]);
+ prueth_shutdown(prueth->pru[slice]);
}
+}
- ret = rproc_set_firmware(prueth->txpru[slice], firmwares[slice].txpru);
- ret = rproc_boot(prueth->txpru[slice]);
+static int prueth_emac_common_start(struct prueth *prueth)
+{
+ struct prueth_emac *emac;
+ int ret = 0;
+ int slice;
+
+ if (!prueth->emac[ICSS_SLICE0] && !prueth->emac[ICSS_SLICE1])
+ return -EINVAL;
+
+ /* clear SMEM and MSMC settings for all slices */
+ memset_io(prueth->msmcram.va, 0, prueth->msmcram.size);
+ memset_io(prueth->shram.va, 0, ICSSG_CONFIG_OFFSET_SLICE1 * PRUETH_NUM_MACS);
+
+ icssg_class_default(prueth->miig_rt, ICSS_SLICE0, 0, false);
+ icssg_class_default(prueth->miig_rt, ICSS_SLICE1, 0, false);
+
+ if (prueth->is_switch_mode || prueth->is_hsr_offload_mode)
+ icssg_init_fw_offload_mode(prueth);
+ else
+ icssg_init_emac_mode(prueth);
+
+ for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+ emac = prueth->emac[slice];
+ if (!emac)
+ continue;
+ ret = icssg_config(prueth, emac, slice);
+ if (ret)
+ goto disable_class;
+ }
+
+ ret = prueth_emac_start(prueth);
+ if (ret)
+ goto disable_class;
+
+ emac = prueth->emac[ICSS_SLICE0] ? prueth->emac[ICSS_SLICE0] :
+ prueth->emac[ICSS_SLICE1];
+ ret = icss_iep_init(emac->iep, &prueth_iep_clockops,
+ emac, IEP_DEFAULT_CYCLE_TIME_NS);
if (ret) {
- dev_err(dev, "failed to boot TX_PRU%d: %d\n", slice, ret);
- goto halt_rtu;
+ dev_err(prueth->dev, "Failed to initialize IEP module\n");
+ goto stop_pruss;
}
- emac->fw_running = 1;
return 0;
-halt_rtu:
- rproc_shutdown(prueth->rtu[slice]);
+stop_pruss:
+ prueth_emac_stop(prueth);
-halt_pru:
- rproc_shutdown(prueth->pru[slice]);
+disable_class:
+ icssg_class_disable(prueth->miig_rt, ICSS_SLICE0);
+ icssg_class_disable(prueth->miig_rt, ICSS_SLICE1);
return ret;
}
-static void prueth_emac_stop(struct prueth_emac *emac)
+static int prueth_emac_common_stop(struct prueth *prueth)
{
- struct prueth *prueth = emac->prueth;
- int slice;
+ struct prueth_emac *emac;
- switch (emac->port_id) {
- case PRUETH_PORT_MII0:
- slice = ICSS_SLICE0;
- break;
- case PRUETH_PORT_MII1:
- slice = ICSS_SLICE1;
- break;
- default:
- netdev_err(emac->ndev, "invalid port\n");
- return;
- }
+ if (!prueth->emac[ICSS_SLICE0] && !prueth->emac[ICSS_SLICE1])
+ return -EINVAL;
- emac->fw_running = 0;
- rproc_shutdown(prueth->txpru[slice]);
- rproc_shutdown(prueth->rtu[slice]);
- rproc_shutdown(prueth->pru[slice]);
-}
+ icssg_class_disable(prueth->miig_rt, ICSS_SLICE0);
+ icssg_class_disable(prueth->miig_rt, ICSS_SLICE1);
-static void prueth_cleanup_tx_ts(struct prueth_emac *emac)
-{
- int i;
+ prueth_emac_stop(prueth);
- for (i = 0; i < PRUETH_MAX_TX_TS_REQUESTS; i++) {
- if (emac->tx_ts_skb[i]) {
- dev_kfree_skb_any(emac->tx_ts_skb[i]);
- emac->tx_ts_skb[i] = NULL;
- }
- }
+ emac = prueth->emac[ICSS_SLICE0] ? prueth->emac[ICSS_SLICE0] :
+ prueth->emac[ICSS_SLICE1];
+ icss_iep_exit(emac->iep);
+
+ return 0;
}
/* called back by PHY layer if there is change in link state of hw port*/
@@ -1041,10 +363,10 @@ static void emac_adjust_link(struct net_device *ndev)
icssg_config_ipg(emac);
spin_unlock_irqrestore(&emac->lock, flags);
icssg_config_set_speed(emac);
- emac_set_port_state(emac, ICSSG_EMAC_PORT_FORWARD);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_FORWARD);
} else {
- emac_set_port_state(emac, ICSSG_EMAC_PORT_DISABLE);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_DISABLE);
}
}
@@ -1057,84 +379,14 @@ static void emac_adjust_link(struct net_device *ndev)
}
}
-static int emac_napi_rx_poll(struct napi_struct *napi_rx, int budget)
+static enum hrtimer_restart emac_rx_timer_callback(struct hrtimer *timer)
{
- struct prueth_emac *emac = prueth_napi_to_emac(napi_rx);
+ struct prueth_emac *emac =
+ container_of(timer, struct prueth_emac, rx_hrtimer);
int rx_flow = PRUETH_RX_FLOW_DATA;
- int flow = PRUETH_MAX_RX_FLOWS;
- int num_rx = 0;
- int cur_budget;
- int ret;
-
- while (flow--) {
- cur_budget = budget - num_rx;
-
- while (cur_budget--) {
- ret = emac_rx_packet(emac, flow);
- if (ret)
- break;
- num_rx++;
- }
-
- if (num_rx >= budget)
- break;
- }
-
- if (num_rx < budget && napi_complete_done(napi_rx, num_rx))
- enable_irq(emac->rx_chns.irq[rx_flow]);
-
- return num_rx;
-}
-
-static int prueth_prepare_rx_chan(struct prueth_emac *emac,
- struct prueth_rx_chn *chn,
- int buf_size)
-{
- struct sk_buff *skb;
- int i, ret;
-
- for (i = 0; i < chn->descs_num; i++) {
- skb = __netdev_alloc_skb_ip_align(NULL, buf_size, GFP_KERNEL);
- if (!skb)
- return -ENOMEM;
-
- ret = prueth_dma_rx_push(emac, skb, chn);
- if (ret < 0) {
- netdev_err(emac->ndev,
- "cannot submit skb for rx chan %s ret %d\n",
- chn->name, ret);
- kfree_skb(skb);
- return ret;
- }
- }
-
- return 0;
-}
-
-static void prueth_reset_tx_chan(struct prueth_emac *emac, int ch_num,
- bool free_skb)
-{
- int i;
-
- for (i = 0; i < ch_num; i++) {
- if (free_skb)
- k3_udma_glue_reset_tx_chn(emac->tx_chns[i].tx_chn,
- &emac->tx_chns[i],
- prueth_tx_cleanup);
- k3_udma_glue_disable_tx_chn(emac->tx_chns[i].tx_chn);
- }
-}
-
-static void prueth_reset_rx_chan(struct prueth_rx_chn *chn,
- int num_flows, bool disable)
-{
- int i;
- for (i = 0; i < num_flows; i++)
- k3_udma_glue_reset_rx_chn(chn->rx_chn, i, chn,
- prueth_rx_cleanup, !!i);
- if (disable)
- k3_udma_glue_disable_rx_chn(chn->rx_chn);
+ enable_irq(emac->rx_chns.irq[rx_flow]);
+ return HRTIMER_NORESTART;
}
static int emac_phy_connect(struct prueth_emac *emac)
@@ -1214,9 +466,6 @@ static void prueth_iep_settime(void *clockops_data, u64 ns)
u32 cycletime;
int timeout;
- if (!emac->fw_running)
- return;
-
sc_descp = emac->prueth->shram.va + TIMESYNC_FW_WC_SETCLOCK_DESC_OFFSET;
cycletime = IEP_DEFAULT_CYCLE_TIME_NS;
@@ -1227,7 +476,8 @@ static void prueth_iep_settime(void *clockops_data, u64 ns)
sc_desc.cyclecounter0_set = cyclecount & GENMASK(31, 0);
sc_desc.cyclecounter1_set = (cyclecount & GENMASK(63, 32)) >> 32;
sc_desc.iepcount_set = ns % cycletime;
- sc_desc.CMP0_current = cycletime - 4; //Count from 0 to (cycle time)-4
+ /* Count from 0 to (cycle time) - emac->iep->def_inc */
+ sc_desc.CMP0_current = cycletime - emac->iep->def_inc;
memcpy_toio(sc_descp, &sc_desc, sizeof(sc_desc));
@@ -1251,6 +501,8 @@ static int prueth_perout_enable(void *clockops_data,
struct prueth_emac *emac = clockops_data;
u32 reduction_factor = 0, offset = 0;
struct timespec64 ts;
+ u64 current_cycle;
+ u64 start_offset;
u64 ns_period;
if (!on)
@@ -1289,8 +541,14 @@ static int prueth_perout_enable(void *clockops_data,
writel(reduction_factor, emac->prueth->shram.va +
TIMESYNC_FW_WC_SYNCOUT_REDUCTION_FACTOR_OFFSET);
- writel(0, emac->prueth->shram.va +
- TIMESYNC_FW_WC_SYNCOUT_START_TIME_CYCLECOUNT_OFFSET);
+ current_cycle = icssg_read_time(emac->prueth->shram.va +
+ TIMESYNC_FW_WC_CYCLECOUNT_OFFSET);
+
+ /* Rounding of current_cycle count to next second */
+ start_offset = roundup(current_cycle, MSEC_PER_SEC);
+
+ hi_lo_writeq(start_offset, emac->prueth->shram.va +
+ TIMESYNC_FW_WC_SYNCOUT_START_TIME_CYCLECOUNT_OFFSET);
return 0;
}
@@ -1301,6 +559,167 @@ const struct icss_iep_clockops prueth_iep_clockops = {
.perout_enable = prueth_perout_enable,
};
+static int prueth_create_xdp_rxqs(struct prueth_emac *emac)
+{
+ struct xdp_rxq_info *rxq = &emac->rx_chns.xdp_rxq;
+ struct page_pool *pool = emac->rx_chns.pg_pool;
+ int ret;
+
+ ret = xdp_rxq_info_reg(rxq, emac->ndev, 0, emac->napi_rx.napi_id);
+ if (ret)
+ return ret;
+
+ ret = xdp_rxq_info_reg_mem_model(rxq, MEM_TYPE_PAGE_POOL, pool);
+ if (ret)
+ xdp_rxq_info_unreg(rxq);
+
+ return ret;
+}
+
+static void prueth_destroy_xdp_rxqs(struct prueth_emac *emac)
+{
+ struct xdp_rxq_info *rxq = &emac->rx_chns.xdp_rxq;
+
+ if (!xdp_rxq_info_is_reg(rxq))
+ return;
+
+ xdp_rxq_info_unreg(rxq);
+}
+
+static int icssg_prueth_add_mcast(struct net_device *ndev, const u8 *addr)
+{
+ struct net_device *real_dev;
+ struct prueth_emac *emac;
+ int port_mask;
+ u8 vlan_id;
+
+ vlan_id = is_vlan_dev(ndev) ? vlan_dev_vlan_id(ndev) : PRUETH_DFLT_VLAN_MAC;
+ real_dev = is_vlan_dev(ndev) ? vlan_dev_real_dev(ndev) : ndev;
+ emac = netdev_priv(real_dev);
+
+ port_mask = BIT(emac->port_id) | icssg_fdb_lookup(emac, addr, vlan_id);
+ icssg_fdb_add_del(emac, addr, vlan_id, port_mask, true);
+ icssg_vtbl_modify(emac, vlan_id, port_mask, port_mask, true);
+
+ return 0;
+}
+
+static int icssg_prueth_del_mcast(struct net_device *ndev, const u8 *addr)
+{
+ struct net_device *real_dev;
+ struct prueth_emac *emac;
+ int other_port_mask;
+ int port_mask;
+ u8 vlan_id;
+
+ vlan_id = is_vlan_dev(ndev) ? vlan_dev_vlan_id(ndev) : PRUETH_DFLT_VLAN_MAC;
+ real_dev = is_vlan_dev(ndev) ? vlan_dev_real_dev(ndev) : ndev;
+ emac = netdev_priv(real_dev);
+
+ port_mask = BIT(emac->port_id);
+ other_port_mask = port_mask ^ icssg_fdb_lookup(emac, addr, vlan_id);
+
+ icssg_fdb_add_del(emac, addr, vlan_id, port_mask, false);
+ icssg_vtbl_modify(emac, vlan_id, port_mask, port_mask, false);
+
+ if (other_port_mask) {
+ icssg_fdb_add_del(emac, addr, vlan_id, other_port_mask, true);
+ icssg_vtbl_modify(emac, vlan_id, other_port_mask,
+ other_port_mask, true);
+ }
+
+ return 0;
+}
+
+static void icssg_prueth_hsr_fdb_add_del(struct prueth_emac *emac,
+ const u8 *addr, u8 vid, bool add)
+{
+ icssg_fdb_add_del(emac, addr, vid,
+ ICSSG_FDB_ENTRY_P0_MEMBERSHIP |
+ ICSSG_FDB_ENTRY_P1_MEMBERSHIP |
+ ICSSG_FDB_ENTRY_P2_MEMBERSHIP |
+ ICSSG_FDB_ENTRY_BLOCK, add);
+
+ if (add)
+ icssg_vtbl_modify(emac, vid, BIT(emac->port_id),
+ BIT(emac->port_id), add);
+}
+
+static int icssg_prueth_hsr_add_mcast(struct net_device *ndev, const u8 *addr)
+{
+ struct net_device *real_dev;
+ struct prueth_emac *emac;
+ u8 vlan_id, i;
+
+ vlan_id = is_vlan_dev(ndev) ? vlan_dev_vlan_id(ndev) : PRUETH_DFLT_VLAN_HSR;
+ real_dev = is_vlan_dev(ndev) ? vlan_dev_real_dev(ndev) : ndev;
+
+ if (is_hsr_master(real_dev)) {
+ for (i = HSR_PT_SLAVE_A; i < HSR_PT_INTERLINK; i++) {
+ emac = netdev_priv(hsr_get_port_ndev(real_dev, i));
+ if (!emac)
+ return -EINVAL;
+ icssg_prueth_hsr_fdb_add_del(emac, addr, vlan_id,
+ true);
+ }
+ } else {
+ emac = netdev_priv(real_dev);
+ icssg_prueth_hsr_fdb_add_del(emac, addr, vlan_id, true);
+ }
+
+ return 0;
+}
+
+static int icssg_prueth_hsr_del_mcast(struct net_device *ndev, const u8 *addr)
+{
+ struct net_device *real_dev;
+ struct prueth_emac *emac;
+ u8 vlan_id, i;
+
+ vlan_id = is_vlan_dev(ndev) ? vlan_dev_vlan_id(ndev) : PRUETH_DFLT_VLAN_HSR;
+ real_dev = is_vlan_dev(ndev) ? vlan_dev_real_dev(ndev) : ndev;
+
+ if (is_hsr_master(real_dev)) {
+ for (i = HSR_PT_SLAVE_A; i < HSR_PT_INTERLINK; i++) {
+ emac = netdev_priv(hsr_get_port_ndev(real_dev, i));
+ if (!emac)
+ return -EINVAL;
+ icssg_prueth_hsr_fdb_add_del(emac, addr, vlan_id,
+ false);
+ }
+ } else {
+ emac = netdev_priv(real_dev);
+ icssg_prueth_hsr_fdb_add_del(emac, addr, vlan_id, false);
+ }
+
+ return 0;
+}
+
+static int icssg_update_vlan_mcast(struct net_device *vdev, int vid,
+ void *args)
+{
+ struct prueth_emac *emac = args;
+
+ if (!vdev || !vid)
+ return 0;
+
+ netif_addr_lock_bh(vdev);
+ __hw_addr_sync_multiple(&emac->vlan_mcast_list[vid], &vdev->mc,
+ vdev->addr_len);
+ netif_addr_unlock_bh(vdev);
+
+ if (emac->prueth->is_hsr_offload_mode)
+ __hw_addr_sync_dev(&emac->vlan_mcast_list[vid], vdev,
+ icssg_prueth_hsr_add_mcast,
+ icssg_prueth_hsr_del_mcast);
+ else
+ __hw_addr_sync_dev(&emac->vlan_mcast_list[vid], vdev,
+ icssg_prueth_add_mcast,
+ icssg_prueth_del_mcast);
+
+ return 0;
+}
+
/**
* emac_ndo_open - EMAC device open
* @ndev: network adapter device
@@ -1313,26 +732,19 @@ static int emac_ndo_open(struct net_device *ndev)
{
struct prueth_emac *emac = netdev_priv(ndev);
int ret, i, num_data_chn = emac->tx_ch_num;
+ struct icssg_flow_cfg __iomem *flow_cfg;
struct prueth *prueth = emac->prueth;
int slice = prueth_emac_slice(emac);
struct device *dev = prueth->dev;
int max_rx_flows;
int rx_flow;
- /* clear SMEM and MSMC settings for all slices */
- if (!prueth->emacs_initialized) {
- memset_io(prueth->msmcram.va, 0, prueth->msmcram.size);
- memset_io(prueth->shram.va, 0, ICSSG_CONFIG_OFFSET_SLICE1 * PRUETH_NUM_MACS);
- }
-
/* set h/w MAC as user might have re-configured */
ether_addr_copy(emac->mac_addr, ndev->dev_addr);
icssg_class_set_mac_addr(prueth->miig_rt, slice, emac->mac_addr);
icssg_ft1_set_mac_addr(prueth->miig_rt, slice, emac->mac_addr);
- icssg_class_default(prueth->miig_rt, slice, 0);
-
/* Notify the stack of the actual queue counts. */
ret = netif_set_real_num_tx_queues(ndev, num_data_chn);
if (ret) {
@@ -1368,18 +780,23 @@ static int emac_ndo_open(struct net_device *ndev)
goto cleanup_napi;
}
- /* reset and start PRU firmware */
- ret = prueth_emac_start(prueth, emac);
- if (ret)
- goto free_rx_irq;
+ if (!prueth->emacs_initialized) {
+ ret = prueth_emac_common_start(prueth);
+ if (ret)
+ goto free_rx_irq;
+ }
- icssg_mii_update_mtu(prueth->mii_rt, slice, ndev->max_mtu);
+ flow_cfg = emac->dram.va + ICSSG_CONFIG_OFFSET + PSI_L_REGULAR_FLOW_ID_BASE_OFFSET;
+ writew(emac->rx_flow_id_base, &flow_cfg->rx_base_flow);
+ ret = emac_fdb_flow_id_updated(emac);
- if (!prueth->emacs_initialized) {
- ret = icss_iep_init(emac->iep, &prueth_iep_clockops,
- emac, IEP_DEFAULT_CYCLE_TIME_NS);
+ if (ret) {
+ netdev_err(ndev, "Failed to update Rx Flow ID %d", ret);
+ goto stop;
}
+ icssg_mii_update_mtu(prueth->mii_rt, slice, ndev->max_mtu);
+
ret = request_threaded_irq(emac->tx_ts_irq, NULL, prueth_tx_ts_irq,
IRQF_ONESHOT, dev_name(dev), emac);
if (ret)
@@ -1390,10 +807,14 @@ static int emac_ndo_open(struct net_device *ndev)
if (ret)
goto free_tx_ts_irq;
- ret = k3_udma_glue_enable_rx_chn(emac->rx_chns.rx_chn);
+ ret = prueth_create_xdp_rxqs(emac);
if (ret)
goto reset_rx_chn;
+ ret = k3_udma_glue_enable_rx_chn(emac->rx_chns.rx_chn);
+ if (ret)
+ goto destroy_xdp_rxqs;
+
for (i = 0; i < emac->tx_ch_num; i++) {
ret = k3_udma_glue_enable_tx_chn(emac->tx_chns[i].tx_chn);
if (ret)
@@ -1419,12 +840,15 @@ reset_tx_chan:
* any SKB for completion. So set false to free_skb
*/
prueth_reset_tx_chan(emac, i, false);
+destroy_xdp_rxqs:
+ prueth_destroy_xdp_rxqs(emac);
reset_rx_chn:
prueth_reset_rx_chan(&emac->rx_chns, max_rx_flows, false);
free_tx_ts_irq:
free_irq(emac->tx_ts_irq, emac);
stop:
- prueth_emac_stop(emac);
+ if (!prueth->emacs_initialized)
+ prueth_emac_common_stop(prueth);
free_rx_irq:
free_irq(emac->rx_chns.irq[rx_flow], emac);
cleanup_napi:
@@ -1460,7 +884,10 @@ static int emac_ndo_stop(struct net_device *ndev)
if (ndev->phydev)
phy_stop(ndev->phydev);
- icssg_class_disable(prueth->miig_rt, prueth_emac_slice(emac));
+ if (emac->prueth->is_hsr_offload_mode)
+ __dev_mc_unsync(ndev, icssg_prueth_hsr_del_mcast);
+ else
+ __dev_mc_unsync(ndev, icssg_prueth_del_mcast);
atomic_set(&emac->tdown_cnt, emac->tx_ch_num);
/* ensure new tdown_cnt value is visible */
@@ -1476,26 +903,27 @@ static int emac_ndo_stop(struct net_device *ndev)
netdev_err(ndev, "tx teardown timeout\n");
prueth_reset_tx_chan(emac, emac->tx_ch_num, true);
- for (i = 0; i < emac->tx_ch_num; i++)
+ for (i = 0; i < emac->tx_ch_num; i++) {
napi_disable(&emac->tx_chns[i].napi_tx);
+ hrtimer_cancel(&emac->tx_chns[i].tx_hrtimer);
+ }
max_rx_flows = PRUETH_MAX_RX_FLOWS;
k3_udma_glue_tdown_rx_chn(emac->rx_chns.rx_chn, true);
prueth_reset_rx_chan(&emac->rx_chns, max_rx_flows, true);
-
+ prueth_destroy_xdp_rxqs(emac);
napi_disable(&emac->napi_rx);
+ hrtimer_cancel(&emac->rx_hrtimer);
cancel_work_sync(&emac->rx_mode_work);
/* Destroying the queued work in ndo_stop() */
cancel_delayed_work_sync(&emac->stats_work);
- if (prueth->emacs_initialized == 1)
- icss_iep_exit(emac->iep);
-
/* stop PRUs */
- prueth_emac_stop(emac);
+ if (prueth->emacs_initialized == 1)
+ prueth_emac_common_stop(prueth);
free_irq(emac->tx_ts_irq, emac);
@@ -1510,11 +938,6 @@ static int emac_ndo_stop(struct net_device *ndev)
return 0;
}
-static void emac_ndo_tx_timeout(struct net_device *ndev, unsigned int txqueue)
-{
- ndev->stats.tx_errors++;
-}
-
static void emac_ndo_set_rx_mode_work(struct work_struct *work)
{
struct prueth_emac *emac = container_of(work, struct prueth_emac, rx_mode_work);
@@ -1526,23 +949,35 @@ static void emac_ndo_set_rx_mode_work(struct work_struct *work)
promisc = ndev->flags & IFF_PROMISC;
allmulti = ndev->flags & IFF_ALLMULTI;
- emac_set_port_state(emac, ICSSG_EMAC_PORT_UC_FLOODING_DISABLE);
- emac_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_DISABLE);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_UC_FLOODING_DISABLE);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_DISABLE);
if (promisc) {
- emac_set_port_state(emac, ICSSG_EMAC_PORT_UC_FLOODING_ENABLE);
- emac_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_ENABLE);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_UC_FLOODING_ENABLE);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_ENABLE);
return;
}
if (allmulti) {
- emac_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_ENABLE);
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_ENABLE);
return;
}
- if (!netdev_mc_empty(ndev)) {
- emac_set_port_state(emac, ICSSG_EMAC_PORT_MC_FLOODING_ENABLE);
- return;
+ if (emac->prueth->is_hsr_offload_mode) {
+ __dev_mc_sync(ndev, icssg_prueth_hsr_add_mcast,
+ icssg_prueth_hsr_del_mcast);
+ if (rtnl_trylock()) {
+ vlan_for_each(emac->prueth->hsr_dev,
+ icssg_update_vlan_mcast, emac);
+ rtnl_unlock();
+ }
+ } else {
+ __dev_mc_sync(ndev, icssg_prueth_add_mcast,
+ icssg_prueth_del_mcast);
+ if (rtnl_trylock()) {
+ vlan_for_each(ndev, icssg_update_vlan_mcast, emac);
+ rtnl_unlock();
+ }
}
}
@@ -1560,165 +995,173 @@ static void emac_ndo_set_rx_mode(struct net_device *ndev)
queue_work(emac->cmd_wq, &emac->rx_mode_work);
}
-static int emac_set_ts_config(struct net_device *ndev, struct ifreq *ifr)
+static netdev_features_t emac_ndo_fix_features(struct net_device *ndev,
+ netdev_features_t features)
+{
+ /* hsr tag insertion offload and hsr dup offload are tightly coupled in
+ * firmware implementation. Both these features need to be enabled /
+ * disabled together.
+ */
+ if (!(ndev->features & (NETIF_F_HW_HSR_DUP | NETIF_F_HW_HSR_TAG_INS)))
+ if ((features & NETIF_F_HW_HSR_DUP) ||
+ (features & NETIF_F_HW_HSR_TAG_INS))
+ features |= NETIF_F_HW_HSR_DUP |
+ NETIF_F_HW_HSR_TAG_INS;
+
+ if ((ndev->features & NETIF_F_HW_HSR_DUP) ||
+ (ndev->features & NETIF_F_HW_HSR_TAG_INS))
+ if (!(features & NETIF_F_HW_HSR_DUP) ||
+ !(features & NETIF_F_HW_HSR_TAG_INS))
+ features &= ~(NETIF_F_HW_HSR_DUP |
+ NETIF_F_HW_HSR_TAG_INS);
+
+ return features;
+}
+
+static int emac_ndo_vlan_rx_add_vid(struct net_device *ndev,
+ __be16 proto, u16 vid)
{
struct prueth_emac *emac = netdev_priv(ndev);
- struct hwtstamp_config config;
+ struct prueth *prueth = emac->prueth;
+ int port_mask = BIT(emac->port_id);
+ int untag_mask = 0;
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
- return -EFAULT;
+ if (prueth->is_hsr_offload_mode)
+ port_mask |= BIT(PRUETH_PORT_HOST);
- switch (config.tx_type) {
- case HWTSTAMP_TX_OFF:
- emac->tx_ts_enabled = 0;
- break;
- case HWTSTAMP_TX_ON:
- emac->tx_ts_enabled = 1;
- break;
- default:
- return -ERANGE;
- }
+ __hw_addr_init(&emac->vlan_mcast_list[vid]);
+ netdev_dbg(emac->ndev, "VID add vid:%u port_mask:%X untag_mask %X\n",
+ vid, port_mask, untag_mask);
- switch (config.rx_filter) {
- case HWTSTAMP_FILTER_NONE:
- emac->rx_ts_enabled = 0;
- break;
- case HWTSTAMP_FILTER_ALL:
- case HWTSTAMP_FILTER_SOME:
- case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
- case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
- case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
- case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
- case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
- case HWTSTAMP_FILTER_PTP_V2_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
- case HWTSTAMP_FILTER_NTP_ALL:
- emac->rx_ts_enabled = 1;
- config.rx_filter = HWTSTAMP_FILTER_ALL;
- break;
- default:
- return -ERANGE;
- }
+ icssg_vtbl_modify(emac, vid, port_mask, untag_mask, true);
+ icssg_set_pvid(emac->prueth, vid, emac->port_id);
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
- -EFAULT : 0;
+ return 0;
}
-static int emac_get_ts_config(struct net_device *ndev, struct ifreq *ifr)
+static int emac_ndo_vlan_rx_del_vid(struct net_device *ndev,
+ __be16 proto, u16 vid)
{
struct prueth_emac *emac = netdev_priv(ndev);
- struct hwtstamp_config config;
+ struct prueth *prueth = emac->prueth;
+ int port_mask = BIT(emac->port_id);
+ int untag_mask = 0;
+
+ if (prueth->is_hsr_offload_mode)
+ port_mask = BIT(PRUETH_PORT_HOST);
- config.flags = 0;
- config.tx_type = emac->tx_ts_enabled ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
- config.rx_filter = emac->rx_ts_enabled ? HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE;
+ netdev_dbg(emac->ndev, "VID del vid:%u port_mask:%X untag_mask %X\n",
+ vid, port_mask, untag_mask);
+ icssg_vtbl_modify(emac, vid, port_mask, untag_mask, false);
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
- -EFAULT : 0;
+ return 0;
}
-static int emac_ndo_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
+/**
+ * emac_xdp_xmit - Implements ndo_xdp_xmit
+ * @dev: netdev
+ * @n: number of frames
+ * @frames: array of XDP buffer pointers
+ * @flags: XDP extra info
+ *
+ * Return: number of frames successfully sent. Failed frames
+ * will be free'ed by XDP core.
+ *
+ * For error cases, a negative errno code is returned and no-frames
+ * are transmitted (caller must handle freeing frames).
+ **/
+static int emac_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
+ u32 flags)
{
- switch (cmd) {
- case SIOCGHWTSTAMP:
- return emac_get_ts_config(ndev, ifr);
- case SIOCSHWTSTAMP:
- return emac_set_ts_config(ndev, ifr);
- default:
- break;
+ struct prueth_emac *emac = netdev_priv(dev);
+ struct net_device *ndev = emac->ndev;
+ struct netdev_queue *netif_txq;
+ int cpu = smp_processor_id();
+ struct xdp_frame *xdpf;
+ unsigned int q_idx;
+ int nxmit = 0;
+ u32 err;
+ int i;
+
+ q_idx = cpu % emac->tx_ch_num;
+ netif_txq = netdev_get_tx_queue(ndev, q_idx);
+
+ if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
+ return -EINVAL;
+
+ __netif_tx_lock(netif_txq, cpu);
+ for (i = 0; i < n; i++) {
+ xdpf = frames[i];
+ err = emac_xmit_xdp_frame(emac, xdpf, NULL, q_idx);
+ if (err != ICSSG_XDP_TX) {
+ ndev->stats.tx_dropped++;
+ break;
+ }
+ nxmit++;
}
+ __netif_tx_unlock(netif_txq);
- return phy_do_ioctl(ndev, ifr, cmd);
+ return nxmit;
}
-static void emac_ndo_get_stats64(struct net_device *ndev,
- struct rtnl_link_stats64 *stats)
+/**
+ * emac_xdp_setup - add/remove an XDP program
+ * @emac: emac device
+ * @bpf: XDP program
+ *
+ * Return: Always 0 (Success)
+ **/
+static int emac_xdp_setup(struct prueth_emac *emac, struct netdev_bpf *bpf)
{
- struct prueth_emac *emac = netdev_priv(ndev);
+ struct bpf_prog *prog = bpf->prog;
+
+ if (!emac->xdpi.prog && !prog)
+ return 0;
- emac_update_hardware_stats(emac);
+ WRITE_ONCE(emac->xdp_prog, prog);
- stats->rx_packets = emac_get_stat_by_name(emac, "rx_packets");
- stats->rx_bytes = emac_get_stat_by_name(emac, "rx_bytes");
- stats->tx_packets = emac_get_stat_by_name(emac, "tx_packets");
- stats->tx_bytes = emac_get_stat_by_name(emac, "tx_bytes");
- stats->rx_crc_errors = emac_get_stat_by_name(emac, "rx_crc_errors");
- stats->rx_over_errors = emac_get_stat_by_name(emac, "rx_over_errors");
- stats->multicast = emac_get_stat_by_name(emac, "rx_multicast_frames");
+ xdp_attachment_setup(&emac->xdpi, bpf);
- stats->rx_errors = ndev->stats.rx_errors;
- stats->rx_dropped = ndev->stats.rx_dropped;
- stats->tx_errors = ndev->stats.tx_errors;
- stats->tx_dropped = ndev->stats.tx_dropped;
+ return 0;
}
-static int emac_ndo_get_phys_port_name(struct net_device *ndev, char *name,
- size_t len)
+/**
+ * emac_ndo_bpf - implements ndo_bpf for icssg_prueth
+ * @ndev: network adapter device
+ * @bpf: XDP program
+ *
+ * Return: 0 on success, error code on failure.
+ **/
+static int emac_ndo_bpf(struct net_device *ndev, struct netdev_bpf *bpf)
{
struct prueth_emac *emac = netdev_priv(ndev);
- int ret;
- ret = snprintf(name, len, "p%d", emac->port_id);
- if (ret >= len)
+ switch (bpf->command) {
+ case XDP_SETUP_PROG:
+ return emac_xdp_setup(emac, bpf);
+ default:
return -EINVAL;
-
- return 0;
+ }
}
static const struct net_device_ops emac_netdev_ops = {
.ndo_open = emac_ndo_open,
.ndo_stop = emac_ndo_stop,
- .ndo_start_xmit = emac_ndo_start_xmit,
+ .ndo_start_xmit = icssg_ndo_start_xmit,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
- .ndo_tx_timeout = emac_ndo_tx_timeout,
+ .ndo_tx_timeout = icssg_ndo_tx_timeout,
.ndo_set_rx_mode = emac_ndo_set_rx_mode,
- .ndo_eth_ioctl = emac_ndo_ioctl,
- .ndo_get_stats64 = emac_ndo_get_stats64,
- .ndo_get_phys_port_name = emac_ndo_get_phys_port_name,
+ .ndo_eth_ioctl = icssg_ndo_ioctl,
+ .ndo_get_stats64 = icssg_ndo_get_stats64,
+ .ndo_get_phys_port_name = icssg_ndo_get_phys_port_name,
+ .ndo_fix_features = emac_ndo_fix_features,
+ .ndo_vlan_rx_add_vid = emac_ndo_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = emac_ndo_vlan_rx_del_vid,
+ .ndo_bpf = emac_ndo_bpf,
+ .ndo_xdp_xmit = emac_xdp_xmit,
};
-/* get emac_port corresponding to eth_node name */
-static int prueth_node_port(struct device_node *eth_node)
-{
- u32 port_id;
- int ret;
-
- ret = of_property_read_u32(eth_node, "reg", &port_id);
- if (ret)
- return ret;
-
- if (port_id == 0)
- return PRUETH_PORT_MII0;
- else if (port_id == 1)
- return PRUETH_PORT_MII1;
- else
- return PRUETH_PORT_INVALID;
-}
-
-/* get MAC instance corresponding to eth_node name */
-static int prueth_node_mac(struct device_node *eth_node)
-{
- u32 port_id;
- int ret;
-
- ret = of_property_read_u32(eth_node, "reg", &port_id);
- if (ret)
- return ret;
-
- if (port_id == 0)
- return PRUETH_MAC0;
- else if (port_id == 1)
- return PRUETH_MAC1;
- else
- return PRUETH_MAC_INVALID;
-}
-
static int prueth_netdev_init(struct prueth *prueth,
struct device_node *eth_node)
{
@@ -1745,6 +1188,8 @@ static int prueth_netdev_init(struct prueth *prueth,
emac->prueth = prueth;
emac->ndev = ndev;
emac->port_id = port;
+ emac->xdp_prog = NULL;
+ emac->ndev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
emac->cmd_wq = create_singlethread_workqueue("icssg_cmd_wq");
if (!emac->cmd_wq) {
ret = -ENOMEM;
@@ -1752,7 +1197,7 @@ static int prueth_netdev_init(struct prueth *prueth,
}
INIT_WORK(&emac->rx_mode_work, emac_ndo_set_rx_mode_work);
- INIT_DELAYED_WORK(&emac->stats_work, emac_stats_work_handler);
+ INIT_DELAYED_WORK(&emac->stats_work, icssg_stats_work_handler);
ret = pruss_request_mem_region(prueth->pruss,
port == PRUETH_PORT_MII0 ?
@@ -1838,14 +1283,22 @@ static int prueth_netdev_init(struct prueth *prueth,
}
ether_addr_copy(emac->mac_addr, ndev->dev_addr);
+ ndev->dev.of_node = eth_node;
ndev->min_mtu = PRUETH_MIN_PKT_SIZE;
ndev->max_mtu = PRUETH_MAX_MTU;
ndev->netdev_ops = &emac_netdev_ops;
ndev->ethtool_ops = &icssg_ethtool_ops;
ndev->hw_features = NETIF_F_SG;
- ndev->features = ndev->hw_features;
-
- netif_napi_add(ndev, &emac->napi_rx, emac_napi_rx_poll);
+ ndev->features = ndev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
+ ndev->hw_features |= NETIF_PRUETH_HSR_OFFLOAD_FEATURES;
+ xdp_set_features_flag(ndev,
+ NETDEV_XDP_ACT_BASIC |
+ NETDEV_XDP_ACT_REDIRECT |
+ NETDEV_XDP_ACT_NDO_XMIT);
+
+ netif_napi_add(ndev, &emac->napi_rx, icssg_napi_rx_poll);
+ hrtimer_setup(&emac->rx_hrtimer, &emac_rx_timer_callback, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL_PINNED);
prueth->emac[mac] = emac;
return 0;
@@ -1862,88 +1315,321 @@ free_ndev:
return ret;
}
-static void prueth_netdev_exit(struct prueth *prueth,
- struct device_node *eth_node)
+bool prueth_dev_check(const struct net_device *ndev)
+{
+ if (ndev->netdev_ops == &emac_netdev_ops && netif_running(ndev)) {
+ struct prueth_emac *emac = netdev_priv(ndev);
+
+ return emac->prueth->is_switch_mode;
+ }
+
+ return false;
+}
+
+static void prueth_offload_fwd_mark_update(struct prueth *prueth)
+{
+ int set_val = 0;
+ int i;
+
+ if (prueth->br_members == (BIT(PRUETH_PORT_MII0) | BIT(PRUETH_PORT_MII1)))
+ set_val = 1;
+
+ dev_dbg(prueth->dev, "set offload_fwd_mark %d\n", set_val);
+
+ for (i = PRUETH_MAC0; i < PRUETH_NUM_MACS; i++) {
+ struct prueth_emac *emac = prueth->emac[i];
+
+ if (!emac || !emac->ndev)
+ continue;
+
+ emac->offload_fwd_mark = set_val;
+ }
+}
+
+static int prueth_emac_restart(struct prueth *prueth)
+{
+ struct prueth_emac *emac0 = prueth->emac[PRUETH_MAC0];
+ struct prueth_emac *emac1 = prueth->emac[PRUETH_MAC1];
+ int ret;
+
+ /* Detach the net_device for both PRUeth ports*/
+ if (netif_running(emac0->ndev))
+ netif_device_detach(emac0->ndev);
+ if (netif_running(emac1->ndev))
+ netif_device_detach(emac1->ndev);
+
+ /* Disable both PRUeth ports */
+ ret = icssg_set_port_state(emac0, ICSSG_EMAC_PORT_DISABLE);
+ ret |= icssg_set_port_state(emac1, ICSSG_EMAC_PORT_DISABLE);
+ if (ret)
+ return ret;
+
+ /* Stop both pru cores for both PRUeth ports*/
+ ret = prueth_emac_common_stop(prueth);
+ if (ret) {
+ dev_err(prueth->dev, "Failed to stop the firmwares");
+ return ret;
+ }
+
+ /* Start both pru cores for both PRUeth ports */
+ ret = prueth_emac_common_start(prueth);
+ if (ret) {
+ dev_err(prueth->dev, "Failed to start the firmwares");
+ return ret;
+ }
+
+ /* Enable forwarding for both PRUeth ports */
+ ret = icssg_set_port_state(emac0, ICSSG_EMAC_PORT_FORWARD);
+ ret |= icssg_set_port_state(emac1, ICSSG_EMAC_PORT_FORWARD);
+
+ /* Attache net_device for both PRUeth ports */
+ netif_device_attach(emac0->ndev);
+ netif_device_attach(emac1->ndev);
+
+ return ret;
+}
+
+static void icssg_change_mode(struct prueth *prueth)
{
struct prueth_emac *emac;
- enum prueth_mac mac;
+ int mac, ret;
- mac = prueth_node_mac(eth_node);
- if (mac == PRUETH_MAC_INVALID)
+ ret = prueth_emac_restart(prueth);
+ if (ret) {
+ dev_err(prueth->dev, "Failed to restart the firmwares, aborting the process");
return;
+ }
- emac = prueth->emac[mac];
- if (!emac)
- return;
+ for (mac = PRUETH_MAC0; mac < PRUETH_NUM_MACS; mac++) {
+ emac = prueth->emac[mac];
+ if (prueth->is_hsr_offload_mode) {
+ if (emac->ndev->features & NETIF_F_HW_HSR_TAG_RM)
+ icssg_set_port_state(emac, ICSSG_EMAC_HSR_RX_OFFLOAD_ENABLE);
+ else
+ icssg_set_port_state(emac, ICSSG_EMAC_HSR_RX_OFFLOAD_DISABLE);
+ }
- if (of_phy_is_fixed_link(emac->phy_node))
- of_phy_deregister_fixed_link(emac->phy_node);
+ if (netif_running(emac->ndev)) {
+ icssg_fdb_add_del(emac, eth_stp_addr, prueth->default_vlan,
+ ICSSG_FDB_ENTRY_P0_MEMBERSHIP |
+ ICSSG_FDB_ENTRY_P1_MEMBERSHIP |
+ ICSSG_FDB_ENTRY_P2_MEMBERSHIP |
+ ICSSG_FDB_ENTRY_BLOCK,
+ true);
+ icssg_vtbl_modify(emac, emac->port_vlan | DEFAULT_VID,
+ BIT(emac->port_id) | DEFAULT_PORT_MASK,
+ BIT(emac->port_id) | DEFAULT_UNTAG_MASK,
+ true);
+ if (prueth->is_hsr_offload_mode)
+ icssg_vtbl_modify(emac, DEFAULT_VID,
+ DEFAULT_PORT_MASK,
+ DEFAULT_UNTAG_MASK, true);
+ icssg_set_pvid(prueth, emac->port_vlan, emac->port_id);
+ if (prueth->is_switch_mode)
+ icssg_set_port_state(emac, ICSSG_EMAC_PORT_VLAN_AWARE_ENABLE);
+ }
+ }
+}
- netif_napi_del(&emac->napi_rx);
+static int prueth_netdevice_port_link(struct net_device *ndev,
+ struct net_device *br_ndev,
+ struct netlink_ext_ack *extack)
+{
+ struct prueth_emac *emac = netdev_priv(ndev);
+ struct prueth *prueth = emac->prueth;
+ int err;
- pruss_release_mem_region(prueth->pruss, &emac->dram);
- destroy_workqueue(emac->cmd_wq);
- free_netdev(emac->ndev);
- prueth->emac[mac] = NULL;
+ if (!prueth->br_members) {
+ prueth->hw_bridge_dev = br_ndev;
+ } else {
+ /* This is adding the port to a second bridge, this is
+ * unsupported
+ */
+ if (prueth->hw_bridge_dev != br_ndev)
+ return -EOPNOTSUPP;
+ }
+
+ err = switchdev_bridge_port_offload(br_ndev, ndev, emac,
+ &prueth->prueth_switchdev_nb,
+ &prueth->prueth_switchdev_bl_nb,
+ false, extack);
+ if (err)
+ return err;
+
+ prueth->br_members |= BIT(emac->port_id);
+
+ if (!prueth->is_switch_mode) {
+ if (prueth->br_members & BIT(PRUETH_PORT_MII0) &&
+ prueth->br_members & BIT(PRUETH_PORT_MII1)) {
+ prueth->is_switch_mode = true;
+ prueth->default_vlan = PRUETH_DFLT_VLAN_SW;
+ emac->port_vlan = prueth->default_vlan;
+ icssg_change_mode(prueth);
+ }
+ }
+
+ prueth_offload_fwd_mark_update(prueth);
+
+ return NOTIFY_DONE;
}
-static int prueth_get_cores(struct prueth *prueth, int slice)
+static void prueth_netdevice_port_unlink(struct net_device *ndev)
{
- struct device *dev = prueth->dev;
- enum pruss_pru_id pruss_id;
- struct device_node *np;
- int idx = -1, ret;
+ struct prueth_emac *emac = netdev_priv(ndev);
+ struct prueth *prueth = emac->prueth;
+ int ret;
- np = dev->of_node;
+ prueth->br_members &= ~BIT(emac->port_id);
- switch (slice) {
- case ICSS_SLICE0:
- idx = 0;
- break;
- case ICSS_SLICE1:
- idx = 3;
- break;
- default:
- return -EINVAL;
+ if (prueth->is_switch_mode) {
+ prueth->is_switch_mode = false;
+ emac->port_vlan = 0;
+ ret = prueth_emac_restart(prueth);
+ if (ret) {
+ dev_err(prueth->dev, "Failed to restart the firmwares, aborting the process");
+ return;
+ }
}
- prueth->pru[slice] = pru_rproc_get(np, idx, &pruss_id);
- if (IS_ERR(prueth->pru[slice])) {
- ret = PTR_ERR(prueth->pru[slice]);
- prueth->pru[slice] = NULL;
- return dev_err_probe(dev, ret, "unable to get PRU%d\n", slice);
+ prueth_offload_fwd_mark_update(prueth);
+
+ if (!prueth->br_members)
+ prueth->hw_bridge_dev = NULL;
+}
+
+static int prueth_hsr_port_link(struct net_device *ndev)
+{
+ struct prueth_emac *emac = netdev_priv(ndev);
+ struct prueth *prueth = emac->prueth;
+ struct prueth_emac *emac0;
+ struct prueth_emac *emac1;
+
+ emac0 = prueth->emac[PRUETH_MAC0];
+ emac1 = prueth->emac[PRUETH_MAC1];
+
+ if (prueth->is_switch_mode)
+ return -EOPNOTSUPP;
+
+ prueth->hsr_members |= BIT(emac->port_id);
+ if (!prueth->is_hsr_offload_mode) {
+ if (prueth->hsr_members & BIT(PRUETH_PORT_MII0) &&
+ prueth->hsr_members & BIT(PRUETH_PORT_MII1)) {
+ if (!(emac0->ndev->features &
+ NETIF_PRUETH_HSR_OFFLOAD_FEATURES) &&
+ !(emac1->ndev->features &
+ NETIF_PRUETH_HSR_OFFLOAD_FEATURES))
+ return -EOPNOTSUPP;
+ prueth->is_hsr_offload_mode = true;
+ prueth->default_vlan = PRUETH_DFLT_VLAN_HSR;
+ emac0->port_vlan = prueth->default_vlan;
+ emac1->port_vlan = prueth->default_vlan;
+ icssg_change_mode(prueth);
+ netdev_dbg(ndev, "Enabling HSR offload mode\n");
+ }
}
- prueth->pru_id[slice] = pruss_id;
- idx++;
- prueth->rtu[slice] = pru_rproc_get(np, idx, NULL);
- if (IS_ERR(prueth->rtu[slice])) {
- ret = PTR_ERR(prueth->rtu[slice]);
- prueth->rtu[slice] = NULL;
- return dev_err_probe(dev, ret, "unable to get RTU%d\n", slice);
+ return 0;
+}
+
+static void prueth_hsr_port_unlink(struct net_device *ndev)
+{
+ struct prueth_emac *emac = netdev_priv(ndev);
+ struct prueth *prueth = emac->prueth;
+ struct prueth_emac *emac0;
+ struct prueth_emac *emac1;
+ int ret;
+
+ emac0 = prueth->emac[PRUETH_MAC0];
+ emac1 = prueth->emac[PRUETH_MAC1];
+
+ prueth->hsr_members &= ~BIT(emac->port_id);
+ if (prueth->is_hsr_offload_mode) {
+ prueth->is_hsr_offload_mode = false;
+ emac0->port_vlan = 0;
+ emac1->port_vlan = 0;
+ prueth->hsr_dev = NULL;
+ ret = prueth_emac_restart(prueth);
+ if (ret) {
+ dev_err(prueth->dev, "Failed to restart the firmwares, aborting the process");
+ return;
+ }
+ netdev_dbg(ndev, "Disabling HSR Offload mode\n");
}
+}
+
+/* netdev notifier */
+static int prueth_netdevice_event(struct notifier_block *unused,
+ unsigned long event, void *ptr)
+{
+ struct netlink_ext_ack *extack = netdev_notifier_info_to_extack(ptr);
+ struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changeupper_info *info;
+ struct prueth_emac *emac = netdev_priv(ndev);
+ struct prueth *prueth = emac->prueth;
+ int ret = NOTIFY_DONE;
+
+ if (ndev->netdev_ops != &emac_netdev_ops)
+ return NOTIFY_DONE;
+
+ switch (event) {
+ case NETDEV_CHANGEUPPER:
+ info = ptr;
+
+ if ((ndev->features & NETIF_PRUETH_HSR_OFFLOAD_FEATURES) &&
+ is_hsr_master(info->upper_dev)) {
+ if (info->linking) {
+ if (!prueth->hsr_dev) {
+ prueth->hsr_dev = info->upper_dev;
+ icssg_class_set_host_mac_addr(prueth->miig_rt,
+ prueth->hsr_dev->dev_addr);
+ } else {
+ if (prueth->hsr_dev != info->upper_dev) {
+ netdev_dbg(ndev, "Both interfaces must be linked to same upper device\n");
+ return -EOPNOTSUPP;
+ }
+ }
+ prueth_hsr_port_link(ndev);
+ } else {
+ prueth_hsr_port_unlink(ndev);
+ }
+ }
- idx++;
- prueth->txpru[slice] = pru_rproc_get(np, idx, NULL);
- if (IS_ERR(prueth->txpru[slice])) {
- ret = PTR_ERR(prueth->txpru[slice]);
- prueth->txpru[slice] = NULL;
- return dev_err_probe(dev, ret, "unable to get TX_PRU%d\n", slice);
+ if (netif_is_bridge_master(info->upper_dev)) {
+ if (info->linking)
+ ret = prueth_netdevice_port_link(ndev, info->upper_dev, extack);
+ else
+ prueth_netdevice_port_unlink(ndev);
+ }
+ break;
+ default:
+ return NOTIFY_DONE;
}
- return 0;
+ return notifier_from_errno(ret);
}
-static void prueth_put_cores(struct prueth *prueth, int slice)
+static int prueth_register_notifiers(struct prueth *prueth)
{
- if (prueth->txpru[slice])
- pru_rproc_put(prueth->txpru[slice]);
+ int ret = 0;
- if (prueth->rtu[slice])
- pru_rproc_put(prueth->rtu[slice]);
+ prueth->prueth_netdevice_nb.notifier_call = &prueth_netdevice_event;
+ ret = register_netdevice_notifier(&prueth->prueth_netdevice_nb);
+ if (ret) {
+ dev_err(prueth->dev, "can't register netdevice notifier\n");
+ return ret;
+ }
- if (prueth->pru[slice])
- pru_rproc_put(prueth->pru[slice]);
+ ret = prueth_switchdev_register_notifiers(prueth);
+ if (ret)
+ unregister_netdevice_notifier(&prueth->prueth_netdevice_nb);
+
+ return ret;
+}
+
+static void prueth_unregister_notifiers(struct prueth *prueth)
+{
+ prueth_switchdev_unregister_notifiers(prueth);
+ unregister_netdevice_notifier(&prueth->prueth_netdevice_nb);
}
static int prueth_probe(struct platform_device *pdev)
@@ -1963,6 +1649,9 @@ static int prueth_probe(struct platform_device *pdev)
np = dev->of_node;
+ BUILD_BUG_ON_MSG((sizeof(struct prueth_swdata) > PRUETH_NAV_SW_DATA_SIZE),
+ "insufficient SW_DATA size");
+
prueth = devm_kzalloc(dev, sizeof(*prueth), GFP_KERNEL);
if (!prueth)
return -ENOMEM;
@@ -2035,14 +1724,17 @@ static int prueth_probe(struct platform_device *pdev)
return -ENODEV;
}
- if (eth0_node) {
- ret = prueth_get_cores(prueth, ICSS_SLICE0);
- if (ret)
- goto put_cores;
+ prueth->pa_stats = syscon_regmap_lookup_by_phandle(np, "ti,pa-stats");
+ if (IS_ERR(prueth->pa_stats)) {
+ dev_err(dev, "couldn't get ti,pa-stats syscon regmap\n");
+ prueth->pa_stats = NULL;
}
- if (eth1_node) {
- ret = prueth_get_cores(prueth, ICSS_SLICE1);
+ if (eth0_node || eth1_node) {
+ ret = prueth_get_cores(prueth, ICSS_SLICE0, false);
+ if (ret)
+ goto put_cores;
+ ret = prueth_get_cores(prueth, ICSS_SLICE1, false);
if (ret)
goto put_cores;
}
@@ -2073,6 +1765,9 @@ static int prueth_probe(struct platform_device *pdev)
}
msmc_ram_size = MSMC_RAM_SIZE;
+ prueth->is_switchmode_supported = prueth->pdata.switch_mode;
+ if (prueth->is_switchmode_supported)
+ msmc_ram_size = MSMC_RAM_SIZE_SWITCH_MODE;
/* NOTE: FW bug needs buffer base to be 64KB aligned */
prueth->msmcram.va =
@@ -2113,6 +1808,8 @@ static int prueth_probe(struct platform_device *pdev)
icss_iep_init_fw(prueth->iep1);
}
+ spin_lock_init(&prueth->vtbl_lock);
+ spin_lock_init(&prueth->stats_lock);
/* setup netdev interfaces */
if (eth0_node) {
ret = prueth_netdev_init(prueth, eth0_node);
@@ -2122,8 +1819,8 @@ static int prueth_probe(struct platform_device *pdev)
goto exit_iep;
}
- if (of_find_property(eth0_node, "ti,half-duplex-capable", NULL))
- prueth->emac[PRUETH_MAC0]->half_duplex = 1;
+ prueth->emac[PRUETH_MAC0]->half_duplex =
+ of_property_read_bool(eth0_node, "ti,half-duplex-capable");
prueth->emac[PRUETH_MAC0]->iep = prueth->iep0;
}
@@ -2136,8 +1833,8 @@ static int prueth_probe(struct platform_device *pdev)
goto netdev_exit;
}
- if (of_find_property(eth1_node, "ti,half-duplex-capable", NULL))
- prueth->emac[PRUETH_MAC1]->half_duplex = 1;
+ prueth->emac[PRUETH_MAC1]->half_duplex =
+ of_property_read_bool(eth1_node, "ti,half-duplex-capable");
prueth->emac[PRUETH_MAC1]->iep = prueth->iep0;
}
@@ -2152,7 +1849,12 @@ static int prueth_probe(struct platform_device *pdev)
prueth->registered_netdevs[PRUETH_MAC0] = prueth->emac[PRUETH_MAC0]->ndev;
- emac_phy_connect(prueth->emac[PRUETH_MAC0]);
+ ret = emac_phy_connect(prueth->emac[PRUETH_MAC0]);
+ if (ret) {
+ dev_err(dev,
+ "can't connect to MII0 PHY, error -%d", ret);
+ goto netdev_unregister;
+ }
phy_attached_info(prueth->emac[PRUETH_MAC0]->ndev->phydev);
}
@@ -2164,10 +1866,23 @@ static int prueth_probe(struct platform_device *pdev)
}
prueth->registered_netdevs[PRUETH_MAC1] = prueth->emac[PRUETH_MAC1]->ndev;
- emac_phy_connect(prueth->emac[PRUETH_MAC1]);
+ ret = emac_phy_connect(prueth->emac[PRUETH_MAC1]);
+ if (ret) {
+ dev_err(dev,
+ "can't connect to MII1 PHY, error %d", ret);
+ goto netdev_unregister;
+ }
phy_attached_info(prueth->emac[PRUETH_MAC1]->ndev->phydev);
}
+ if (prueth->is_switchmode_supported) {
+ ret = prueth_register_notifiers(prueth);
+ if (ret)
+ goto netdev_unregister;
+
+ sprintf(prueth->switch_id, "%s", dev_name(dev));
+ }
+
dev_info(dev, "TI PRU ethernet driver initialized: %s EMAC mode\n",
(!eth0_node || !eth1_node) ? "single" : "dual");
@@ -2218,14 +1933,12 @@ put_pruss:
pruss_put(prueth->pruss);
put_cores:
- if (eth1_node) {
- prueth_put_cores(prueth, ICSS_SLICE1);
- of_node_put(eth1_node);
- }
-
- if (eth0_node) {
+ if (eth0_node || eth1_node) {
prueth_put_cores(prueth, ICSS_SLICE0);
of_node_put(eth0_node);
+
+ prueth_put_cores(prueth, ICSS_SLICE1);
+ of_node_put(eth1_node);
}
return ret;
@@ -2237,6 +1950,8 @@ static void prueth_remove(struct platform_device *pdev)
struct device_node *eth_node;
int i;
+ prueth_unregister_notifiers(prueth);
+
for (i = 0; i < PRUETH_NUM_MACS; i++) {
if (!prueth->registered_netdevs[i])
continue;
@@ -2275,69 +1990,16 @@ static void prueth_remove(struct platform_device *pdev)
prueth_put_cores(prueth, ICSS_SLICE0);
}
-#ifdef CONFIG_PM_SLEEP
-static int prueth_suspend(struct device *dev)
-{
- struct prueth *prueth = dev_get_drvdata(dev);
- struct net_device *ndev;
- int i, ret;
-
- for (i = 0; i < PRUETH_NUM_MACS; i++) {
- ndev = prueth->registered_netdevs[i];
-
- if (!ndev)
- continue;
-
- if (netif_running(ndev)) {
- netif_device_detach(ndev);
- ret = emac_ndo_stop(ndev);
- if (ret < 0) {
- netdev_err(ndev, "failed to stop: %d", ret);
- return ret;
- }
- }
- }
-
- return 0;
-}
-
-static int prueth_resume(struct device *dev)
-{
- struct prueth *prueth = dev_get_drvdata(dev);
- struct net_device *ndev;
- int i, ret;
-
- for (i = 0; i < PRUETH_NUM_MACS; i++) {
- ndev = prueth->registered_netdevs[i];
-
- if (!ndev)
- continue;
-
- if (netif_running(ndev)) {
- ret = emac_ndo_open(ndev);
- if (ret < 0) {
- netdev_err(ndev, "failed to start: %d", ret);
- return ret;
- }
- netif_device_attach(ndev);
- }
- }
-
- return 0;
-}
-#endif /* CONFIG_PM_SLEEP */
-
-static const struct dev_pm_ops prueth_dev_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(prueth_suspend, prueth_resume)
-};
-
static const struct prueth_pdata am654_icssg_pdata = {
.fdqring_mode = K3_RINGACC_RING_MODE_MESSAGE,
.quirk_10m_link_issue = 1,
+ .switch_mode = 1,
};
static const struct prueth_pdata am64x_icssg_pdata = {
.fdqring_mode = K3_RINGACC_RING_MODE_RING,
+ .quirk_10m_link_issue = 1,
+ .switch_mode = 1,
};
static const struct of_device_id prueth_dt_match[] = {
@@ -2349,7 +2011,7 @@ MODULE_DEVICE_TABLE(of, prueth_dt_match);
static struct platform_driver prueth_driver = {
.probe = prueth_probe,
- .remove_new = prueth_remove,
+ .remove = prueth_remove,
.driver = {
.name = "icssg-prueth",
.of_match_table = prueth_dt_match,