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path: root/drivers/net/ethernet/marvell/mvneta.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c792
1 files changed, 527 insertions, 265 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 5a7bdca22a63..ff3e361e06e7 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -38,6 +38,7 @@
#include <net/ipv6.h>
#include <net/tso.h>
#include <net/page_pool.h>
+#include <net/pkt_cls.h>
#include <linux/bpf_trace.h>
/* Registers */
@@ -75,6 +76,8 @@
#define MVNETA_WIN_SIZE(w) (0x2204 + ((w) << 3))
#define MVNETA_WIN_REMAP(w) (0x2280 + ((w) << 2))
#define MVNETA_BASE_ADDR_ENABLE 0x2290
+#define MVNETA_AC5_CNM_DDR_TARGET 0x2
+#define MVNETA_AC5_CNM_DDR_ATTR 0xb
#define MVNETA_ACCESS_PROTECT_ENABLE 0x2294
#define MVNETA_PORT_CONFIG 0x2400
#define MVNETA_UNI_PROMISC_MODE BIT(0)
@@ -247,12 +250,39 @@
#define MVNETA_TXQ_SENT_DESC_MASK 0x3fff0000
#define MVNETA_PORT_TX_RESET 0x3cf0
#define MVNETA_PORT_TX_DMA_RESET BIT(0)
+#define MVNETA_TXQ_CMD1_REG 0x3e00
+#define MVNETA_TXQ_CMD1_BW_LIM_SEL_V1 BIT(3)
+#define MVNETA_TXQ_CMD1_BW_LIM_EN BIT(0)
+#define MVNETA_REFILL_NUM_CLK_REG 0x3e08
+#define MVNETA_REFILL_MAX_NUM_CLK 0x0000ffff
#define MVNETA_TX_MTU 0x3e0c
#define MVNETA_TX_TOKEN_SIZE 0x3e14
#define MVNETA_TX_TOKEN_SIZE_MAX 0xffffffff
+#define MVNETA_TXQ_BUCKET_REFILL_REG(q) (0x3e20 + ((q) << 2))
+#define MVNETA_TXQ_BUCKET_REFILL_PERIOD_MASK 0x3ff00000
+#define MVNETA_TXQ_BUCKET_REFILL_PERIOD_SHIFT 20
+#define MVNETA_TXQ_BUCKET_REFILL_VALUE_MAX 0x0007ffff
#define MVNETA_TXQ_TOKEN_SIZE_REG(q) (0x3e40 + ((q) << 2))
#define MVNETA_TXQ_TOKEN_SIZE_MAX 0x7fffffff
+/* The values of the bucket refill base period and refill period are taken from
+ * the reference manual, and adds up to a base resolution of 10Kbps. This allows
+ * to cover all rate-limit values from 10Kbps up to 5Gbps
+ */
+
+/* Base period for the rate limit algorithm */
+#define MVNETA_TXQ_BUCKET_REFILL_BASE_PERIOD_NS 100
+
+/* Number of Base Period to wait between each bucket refill */
+#define MVNETA_TXQ_BUCKET_REFILL_PERIOD 1000
+
+/* The base resolution for rate limiting, in bps. Any max_rate value should be
+ * a multiple of that value.
+ */
+#define MVNETA_TXQ_RATE_LIMIT_RESOLUTION (NSEC_PER_SEC / \
+ (MVNETA_TXQ_BUCKET_REFILL_BASE_PERIOD_NS * \
+ MVNETA_TXQ_BUCKET_REFILL_PERIOD))
+
#define MVNETA_LPI_CTRL_0 0x2cc0
#define MVNETA_LPI_CTRL_1 0x2cc4
#define MVNETA_LPI_REQUEST_ENABLE BIT(0)
@@ -492,13 +522,13 @@ struct mvneta_port {
u8 mcast_count[256];
u16 tx_ring_size;
u16 rx_ring_size;
- u8 prio_tc_map[8];
phy_interface_t phy_interface;
struct device_node *dn;
unsigned int tx_csum_limit;
struct phylink *phylink;
struct phylink_config phylink_config;
+ struct phylink_pcs phylink_pcs;
struct phy *comphy;
struct mvneta_bm *bm_priv;
@@ -516,6 +546,7 @@ struct mvneta_port {
/* Flags for special SoC configurations */
bool neta_armada3700;
+ bool neta_ac5;
u16 rx_offset_correction;
const struct mbus_dram_target_info *dram_target_info;
};
@@ -1856,8 +1887,8 @@ static void mvneta_txq_bufs_free(struct mvneta_port *pp,
bytes_compl += buf->skb->len;
pkts_compl++;
dev_kfree_skb_any(buf->skb);
- } else if (buf->type == MVNETA_TYPE_XDP_TX ||
- buf->type == MVNETA_TYPE_XDP_NDO) {
+ } else if ((buf->type == MVNETA_TYPE_XDP_TX ||
+ buf->type == MVNETA_TYPE_XDP_NDO) && buf->xdpf) {
if (napi && buf->type == MVNETA_TYPE_XDP_TX)
xdp_return_frame_rx_napi(buf->xdpf);
else
@@ -2032,61 +2063,104 @@ int mvneta_rx_refill_queue(struct mvneta_port *pp, struct mvneta_rx_queue *rxq)
static void
mvneta_xdp_put_buff(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
- struct xdp_buff *xdp, struct skb_shared_info *sinfo,
- int sync_len)
+ struct xdp_buff *xdp, int sync_len)
{
+ struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
int i;
+ if (likely(!xdp_buff_has_frags(xdp)))
+ goto out;
+
for (i = 0; i < sinfo->nr_frags; i++)
page_pool_put_full_page(rxq->page_pool,
skb_frag_page(&sinfo->frags[i]), true);
+
+out:
page_pool_put_page(rxq->page_pool, virt_to_head_page(xdp->data),
sync_len, true);
}
static int
mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq,
- struct xdp_frame *xdpf, bool dma_map)
+ struct xdp_frame *xdpf, int *nxmit_byte, bool dma_map)
{
+ struct skb_shared_info *sinfo = xdp_get_shared_info_from_frame(xdpf);
+ struct device *dev = pp->dev->dev.parent;
struct mvneta_tx_desc *tx_desc;
- struct mvneta_tx_buf *buf;
- dma_addr_t dma_addr;
+ int i, num_frames = 1;
+ struct page *page;
- if (txq->count >= txq->tx_stop_threshold)
+ if (unlikely(xdp_frame_has_frags(xdpf)))
+ num_frames += sinfo->nr_frags;
+
+ if (txq->count + num_frames >= txq->size)
return MVNETA_XDP_DROPPED;
- tx_desc = mvneta_txq_next_desc_get(txq);
+ for (i = 0; i < num_frames; i++) {
+ struct mvneta_tx_buf *buf = &txq->buf[txq->txq_put_index];
+ skb_frag_t *frag = NULL;
+ int len = xdpf->len;
+ dma_addr_t dma_addr;
- buf = &txq->buf[txq->txq_put_index];
- if (dma_map) {
- /* ndo_xdp_xmit */
- dma_addr = dma_map_single(pp->dev->dev.parent, xdpf->data,
- xdpf->len, DMA_TO_DEVICE);
- if (dma_mapping_error(pp->dev->dev.parent, dma_addr)) {
- mvneta_txq_desc_put(txq);
- return MVNETA_XDP_DROPPED;
+ if (unlikely(i)) { /* paged area */
+ frag = &sinfo->frags[i - 1];
+ len = skb_frag_size(frag);
}
- buf->type = MVNETA_TYPE_XDP_NDO;
- } else {
- struct page *page = virt_to_page(xdpf->data);
- dma_addr = page_pool_get_dma_addr(page) +
- sizeof(*xdpf) + xdpf->headroom;
- dma_sync_single_for_device(pp->dev->dev.parent, dma_addr,
- xdpf->len, DMA_BIDIRECTIONAL);
- buf->type = MVNETA_TYPE_XDP_TX;
- }
- buf->xdpf = xdpf;
+ tx_desc = mvneta_txq_next_desc_get(txq);
+ if (dma_map) {
+ /* ndo_xdp_xmit */
+ void *data;
+
+ data = unlikely(frag) ? skb_frag_address(frag)
+ : xdpf->data;
+ dma_addr = dma_map_single(dev, data, len,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, dma_addr)) {
+ mvneta_txq_desc_put(txq);
+ goto unmap;
+ }
- tx_desc->command = MVNETA_TXD_FLZ_DESC;
- tx_desc->buf_phys_addr = dma_addr;
- tx_desc->data_size = xdpf->len;
+ buf->type = MVNETA_TYPE_XDP_NDO;
+ } else {
+ page = unlikely(frag) ? skb_frag_page(frag)
+ : virt_to_page(xdpf->data);
+ dma_addr = page_pool_get_dma_addr(page);
+ if (unlikely(frag))
+ dma_addr += skb_frag_off(frag);
+ else
+ dma_addr += sizeof(*xdpf) + xdpf->headroom;
+ dma_sync_single_for_device(dev, dma_addr, len,
+ DMA_BIDIRECTIONAL);
+ buf->type = MVNETA_TYPE_XDP_TX;
+ }
+ buf->xdpf = unlikely(i) ? NULL : xdpf;
- mvneta_txq_inc_put(txq);
- txq->pending++;
- txq->count++;
+ tx_desc->command = unlikely(i) ? 0 : MVNETA_TXD_F_DESC;
+ tx_desc->buf_phys_addr = dma_addr;
+ tx_desc->data_size = len;
+ *nxmit_byte += len;
+
+ mvneta_txq_inc_put(txq);
+ }
+ /*last descriptor */
+ tx_desc->command |= MVNETA_TXD_L_DESC | MVNETA_TXD_Z_PAD;
+
+ txq->pending += num_frames;
+ txq->count += num_frames;
return MVNETA_XDP_TX;
+
+unmap:
+ for (i--; i >= 0; i--) {
+ mvneta_txq_desc_put(txq);
+ tx_desc = txq->descs + txq->next_desc_to_proc;
+ dma_unmap_single(dev, tx_desc->buf_phys_addr,
+ tx_desc->data_size,
+ DMA_TO_DEVICE);
+ }
+
+ return MVNETA_XDP_DROPPED;
}
static int
@@ -2095,8 +2169,8 @@ mvneta_xdp_xmit_back(struct mvneta_port *pp, struct xdp_buff *xdp)
struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats);
struct mvneta_tx_queue *txq;
struct netdev_queue *nq;
+ int cpu, nxmit_byte = 0;
struct xdp_frame *xdpf;
- int cpu;
u32 ret;
xdpf = xdp_convert_buff_to_frame(xdp);
@@ -2108,10 +2182,10 @@ mvneta_xdp_xmit_back(struct mvneta_port *pp, struct xdp_buff *xdp)
nq = netdev_get_tx_queue(pp->dev, txq->id);
__netif_tx_lock(nq, cpu);
- ret = mvneta_xdp_submit_frame(pp, txq, xdpf, false);
+ ret = mvneta_xdp_submit_frame(pp, txq, xdpf, &nxmit_byte, false);
if (ret == MVNETA_XDP_TX) {
u64_stats_update_begin(&stats->syncp);
- stats->es.ps.tx_bytes += xdpf->len;
+ stats->es.ps.tx_bytes += nxmit_byte;
stats->es.ps.tx_packets++;
stats->es.ps.xdp_tx++;
u64_stats_update_end(&stats->syncp);
@@ -2150,11 +2224,11 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame,
__netif_tx_lock(nq, cpu);
for (i = 0; i < num_frame; i++) {
- ret = mvneta_xdp_submit_frame(pp, txq, frames[i], true);
+ ret = mvneta_xdp_submit_frame(pp, txq, frames[i], &nxmit_byte,
+ true);
if (ret != MVNETA_XDP_TX)
break;
- nxmit_byte += frames[i]->len;
nxmit++;
}
@@ -2177,7 +2251,6 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
struct bpf_prog *prog, struct xdp_buff *xdp,
u32 frame_sz, struct mvneta_stats *stats)
{
- struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
unsigned int len, data_len, sync;
u32 ret, act;
@@ -2198,7 +2271,7 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
err = xdp_do_redirect(pp->dev, xdp, prog);
if (unlikely(err)) {
- mvneta_xdp_put_buff(pp, rxq, xdp, sinfo, sync);
+ mvneta_xdp_put_buff(pp, rxq, xdp, sync);
ret = MVNETA_XDP_DROPPED;
} else {
ret = MVNETA_XDP_REDIR;
@@ -2209,16 +2282,16 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
case XDP_TX:
ret = mvneta_xdp_xmit_back(pp, xdp);
if (ret != MVNETA_XDP_TX)
- mvneta_xdp_put_buff(pp, rxq, xdp, sinfo, sync);
+ mvneta_xdp_put_buff(pp, rxq, xdp, sync);
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(pp->dev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(pp->dev, prog, act);
fallthrough;
case XDP_DROP:
- mvneta_xdp_put_buff(pp, rxq, xdp, sinfo, sync);
+ mvneta_xdp_put_buff(pp, rxq, xdp, sync);
ret = MVNETA_XDP_DROPPED;
stats->xdp_drop++;
break;
@@ -2241,7 +2314,6 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
int data_len = -MVNETA_MH_SIZE, len;
struct net_device *dev = pp->dev;
enum dma_data_direction dma_dir;
- struct skb_shared_info *sinfo;
if (*size > MVNETA_MAX_RX_BUF_SIZE) {
len = MVNETA_MAX_RX_BUF_SIZE;
@@ -2261,11 +2333,9 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
/* Prefetch header */
prefetch(data);
+ xdp_buff_clear_frags_flag(xdp);
xdp_prepare_buff(xdp, data, pp->rx_offset_correction + MVNETA_MH_SIZE,
data_len, false);
-
- sinfo = xdp_get_shared_info_from_buff(xdp);
- sinfo->nr_frags = 0;
}
static void
@@ -2273,9 +2343,9 @@ mvneta_swbm_add_rx_fragment(struct mvneta_port *pp,
struct mvneta_rx_desc *rx_desc,
struct mvneta_rx_queue *rxq,
struct xdp_buff *xdp, int *size,
- struct skb_shared_info *xdp_sinfo,
struct page *page)
{
+ struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
struct net_device *dev = pp->dev;
enum dma_data_direction dma_dir;
int data_len, len;
@@ -2293,25 +2363,25 @@ mvneta_swbm_add_rx_fragment(struct mvneta_port *pp,
len, dma_dir);
rx_desc->buf_phys_addr = 0;
- if (data_len > 0 && xdp_sinfo->nr_frags < MAX_SKB_FRAGS) {
- skb_frag_t *frag = &xdp_sinfo->frags[xdp_sinfo->nr_frags++];
+ if (!xdp_buff_has_frags(xdp))
+ sinfo->nr_frags = 0;
+
+ if (data_len > 0 && sinfo->nr_frags < MAX_SKB_FRAGS) {
+ skb_frag_t *frag = &sinfo->frags[sinfo->nr_frags++];
skb_frag_off_set(frag, pp->rx_offset_correction);
skb_frag_size_set(frag, data_len);
__skb_frag_set_page(frag, page);
+
+ if (!xdp_buff_has_frags(xdp)) {
+ sinfo->xdp_frags_size = *size;
+ xdp_buff_set_frags_flag(xdp);
+ }
+ if (page_is_pfmemalloc(page))
+ xdp_buff_set_frag_pfmemalloc(xdp);
} else {
page_pool_put_full_page(rxq->page_pool, page, true);
}
-
- /* last fragment */
- if (len == *size) {
- struct skb_shared_info *sinfo;
-
- sinfo = xdp_get_shared_info_from_buff(xdp);
- sinfo->nr_frags = xdp_sinfo->nr_frags;
- memcpy(sinfo->frags, xdp_sinfo->frags,
- sinfo->nr_frags * sizeof(skb_frag_t));
- }
*size -= len;
}
@@ -2320,8 +2390,11 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool,
struct xdp_buff *xdp, u32 desc_status)
{
struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
- int i, num_frags = sinfo->nr_frags;
struct sk_buff *skb;
+ u8 num_frags;
+
+ if (unlikely(xdp_buff_has_frags(xdp)))
+ num_frags = sinfo->nr_frags;
skb = build_skb(xdp->data_hard_start, PAGE_SIZE);
if (!skb)
@@ -2333,13 +2406,11 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool,
skb_put(skb, xdp->data_end - xdp->data);
skb->ip_summed = mvneta_rx_csum(pp, desc_status);
- for (i = 0; i < num_frags; i++) {
- skb_frag_t *frag = &sinfo->frags[i];
-
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
- skb_frag_page(frag), skb_frag_off(frag),
- skb_frag_size(frag), PAGE_SIZE);
- }
+ if (unlikely(xdp_buff_has_frags(xdp)))
+ xdp_update_skb_shared_info(skb, num_frags,
+ sinfo->xdp_frags_size,
+ num_frags * xdp->frame_sz,
+ xdp_buff_is_frag_pfmemalloc(xdp));
return skb;
}
@@ -2351,7 +2422,6 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
{
int rx_proc = 0, rx_todo, refill, size = 0;
struct net_device *dev = pp->dev;
- struct skb_shared_info sinfo;
struct mvneta_stats ps = {};
struct bpf_prog *xdp_prog;
u32 desc_status, frame_sz;
@@ -2360,8 +2430,6 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
xdp_init_buff(&xdp_buf, PAGE_SIZE, &rxq->xdp_rxq);
xdp_buf.data_hard_start = NULL;
- sinfo.nr_frags = 0;
-
/* Get number of received packets */
rx_todo = mvneta_rxq_busy_desc_num_get(pp, rxq);
@@ -2403,7 +2471,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
}
mvneta_swbm_add_rx_fragment(pp, rx_desc, rxq, &xdp_buf,
- &size, &sinfo, page);
+ &size, page);
} /* Middle or Last descriptor */
if (!(rx_status & MVNETA_RXD_LAST_DESC))
@@ -2411,7 +2479,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
continue;
if (size) {
- mvneta_xdp_put_buff(pp, rxq, &xdp_buf, &sinfo, -1);
+ mvneta_xdp_put_buff(pp, rxq, &xdp_buf, -1);
goto next;
}
@@ -2423,7 +2491,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
if (IS_ERR(skb)) {
struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats);
- mvneta_xdp_put_buff(pp, rxq, &xdp_buf, &sinfo, -1);
+ mvneta_xdp_put_buff(pp, rxq, &xdp_buf, -1);
u64_stats_update_begin(&stats->syncp);
stats->es.skb_alloc_error++;
@@ -2440,11 +2508,10 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
napi_gro_receive(napi, skb);
next:
xdp_buf.data_hard_start = NULL;
- sinfo.nr_frags = 0;
}
if (xdp_buf.data_hard_start)
- mvneta_xdp_put_buff(pp, rxq, &xdp_buf, &sinfo, -1);
+ mvneta_xdp_put_buff(pp, rxq, &xdp_buf, -1);
if (ps.xdp_redirect)
xdp_do_flush_map();
@@ -2597,8 +2664,8 @@ err_drop_frame:
static inline void
mvneta_tso_put_hdr(struct sk_buff *skb, struct mvneta_tx_queue *txq)
{
- int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
struct mvneta_tx_buf *buf = &txq->buf[txq->txq_put_index];
+ int hdr_len = skb_tcp_all_headers(skb);
struct mvneta_tx_desc *tx_desc;
tx_desc = mvneta_txq_next_desc_get(txq);
@@ -2660,7 +2727,7 @@ static int mvneta_tx_tso(struct sk_buff *skb, struct net_device *dev,
if ((txq->count + tso_count_descs(skb)) >= txq->size)
return 0;
- if (skb_headlen(skb) < (skb_transport_offset(skb) + tcp_hdrlen(skb))) {
+ if (skb_headlen(skb) < skb_tcp_all_headers(skb)) {
pr_info("*** Is this even possible?\n");
return 0;
}
@@ -3232,7 +3299,8 @@ static int mvneta_create_page_pool(struct mvneta_port *pp,
return err;
}
- err = xdp_rxq_info_reg(&rxq->xdp_rxq, pp->dev, rxq->id, 0);
+ err = __xdp_rxq_info_reg(&rxq->xdp_rxq, pp->dev, rxq->id, 0,
+ PAGE_SIZE);
if (err < 0)
goto err_free_pp;
@@ -3712,6 +3780,7 @@ static void mvneta_percpu_disable(void *arg)
static int mvneta_change_mtu(struct net_device *dev, int mtu)
{
struct mvneta_port *pp = netdev_priv(dev);
+ struct bpf_prog *prog = pp->xdp_prog;
int ret;
if (!IS_ALIGNED(MVNETA_RX_PKT_SIZE(mtu), 8)) {
@@ -3720,8 +3789,11 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
mtu = ALIGN(MVNETA_RX_PKT_SIZE(mtu), 8);
}
- if (pp->xdp_prog && mtu > MVNETA_MAX_RX_BUF_SIZE) {
- netdev_info(dev, "Illegal MTU value %d for XDP mode\n", mtu);
+ if (prog && !prog->aux->xdp_has_frags &&
+ mtu > MVNETA_MAX_RX_BUF_SIZE) {
+ netdev_info(dev, "Illegal MTU %d for XDP prog without frags\n",
+ mtu);
+
return -EINVAL;
}
@@ -3819,58 +3891,31 @@ static int mvneta_set_mac_addr(struct net_device *dev, void *addr)
return 0;
}
-static void mvneta_validate(struct phylink_config *config,
- unsigned long *supported,
- struct phylink_link_state *state)
+static struct mvneta_port *mvneta_pcs_to_port(struct phylink_pcs *pcs)
{
- __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+ return container_of(pcs, struct mvneta_port, phylink_pcs);
+}
+static int mvneta_pcs_validate(struct phylink_pcs *pcs,
+ unsigned long *supported,
+ const struct phylink_link_state *state)
+{
/* We only support QSGMII, SGMII, 802.3z and RGMII modes.
* When in 802.3z mode, we must have AN enabled:
* "Bit 2 Field InBandAnEn In-band Auto-Negotiation enable. ...
* When <PortType> = 1 (1000BASE-X) this field must be set to 1."
*/
if (phy_interface_mode_is_8023z(state->interface) &&
- !phylink_test(state->advertising, Autoneg)) {
- linkmode_zero(supported);
- return;
- }
-
- /* Allow all the expected bits */
- phylink_set(mask, Autoneg);
- phylink_set_port_modes(mask);
-
- /* Asymmetric pause is unsupported */
- phylink_set(mask, Pause);
-
- /* Half-duplex at speeds higher than 100Mbit is unsupported */
- if (state->interface != PHY_INTERFACE_MODE_2500BASEX) {
- phylink_set(mask, 1000baseT_Full);
- phylink_set(mask, 1000baseX_Full);
- }
-
- if (state->interface == PHY_INTERFACE_MODE_2500BASEX) {
- phylink_set(mask, 2500baseT_Full);
- phylink_set(mask, 2500baseX_Full);
- }
-
- if (!phy_interface_mode_is_8023z(state->interface)) {
- /* 10M and 100M are only supported in non-802.3z mode */
- phylink_set(mask, 10baseT_Half);
- phylink_set(mask, 10baseT_Full);
- phylink_set(mask, 100baseT_Half);
- phylink_set(mask, 100baseT_Full);
- }
+ !phylink_test(state->advertising, Autoneg))
+ return -EINVAL;
- linkmode_and(supported, supported, mask);
- linkmode_and(state->advertising, state->advertising, mask);
+ return 0;
}
-static void mvneta_mac_pcs_get_state(struct phylink_config *config,
- struct phylink_link_state *state)
+static void mvneta_pcs_get_state(struct phylink_pcs *pcs,
+ struct phylink_link_state *state)
{
- struct net_device *ndev = to_net_dev(config->dev);
- struct mvneta_port *pp = netdev_priv(ndev);
+ struct mvneta_port *pp = mvneta_pcs_to_port(pcs);
u32 gmac_stat;
gmac_stat = mvreg_read(pp, MVNETA_GMAC_STATUS);
@@ -3888,17 +3933,71 @@ static void mvneta_mac_pcs_get_state(struct phylink_config *config,
state->link = !!(gmac_stat & MVNETA_GMAC_LINK_UP);
state->duplex = !!(gmac_stat & MVNETA_GMAC_FULL_DUPLEX);
- state->pause = 0;
if (gmac_stat & MVNETA_GMAC_RX_FLOW_CTRL_ENABLE)
state->pause |= MLO_PAUSE_RX;
if (gmac_stat & MVNETA_GMAC_TX_FLOW_CTRL_ENABLE)
state->pause |= MLO_PAUSE_TX;
}
-static void mvneta_mac_an_restart(struct phylink_config *config)
+static int mvneta_pcs_config(struct phylink_pcs *pcs,
+ unsigned int mode, phy_interface_t interface,
+ const unsigned long *advertising,
+ bool permit_pause_to_mac)
{
- struct net_device *ndev = to_net_dev(config->dev);
- struct mvneta_port *pp = netdev_priv(ndev);
+ struct mvneta_port *pp = mvneta_pcs_to_port(pcs);
+ u32 mask, val, an, old_an, changed;
+
+ mask = MVNETA_GMAC_INBAND_AN_ENABLE |
+ MVNETA_GMAC_INBAND_RESTART_AN |
+ MVNETA_GMAC_AN_SPEED_EN |
+ MVNETA_GMAC_AN_FLOW_CTRL_EN |
+ MVNETA_GMAC_AN_DUPLEX_EN;
+
+ if (phylink_autoneg_inband(mode)) {
+ mask |= MVNETA_GMAC_CONFIG_MII_SPEED |
+ MVNETA_GMAC_CONFIG_GMII_SPEED |
+ MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+ val = MVNETA_GMAC_INBAND_AN_ENABLE;
+
+ if (interface == PHY_INTERFACE_MODE_SGMII) {
+ /* SGMII mode receives the speed and duplex from PHY */
+ val |= MVNETA_GMAC_AN_SPEED_EN |
+ MVNETA_GMAC_AN_DUPLEX_EN;
+ } else {
+ /* 802.3z mode has fixed speed and duplex */
+ val |= MVNETA_GMAC_CONFIG_GMII_SPEED |
+ MVNETA_GMAC_CONFIG_FULL_DUPLEX;
+
+ /* The FLOW_CTRL_EN bit selects either the hardware
+ * automatically or the CONFIG_FLOW_CTRL manually
+ * controls the GMAC pause mode.
+ */
+ if (permit_pause_to_mac)
+ val |= MVNETA_GMAC_AN_FLOW_CTRL_EN;
+
+ /* Update the advertisement bits */
+ mask |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
+ if (phylink_test(advertising, Pause))
+ val |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
+ }
+ } else {
+ /* Phy or fixed speed - disable in-band AN modes */
+ val = 0;
+ }
+
+ old_an = an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+ an = (an & ~mask) | val;
+ changed = old_an ^ an;
+ if (changed)
+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, an);
+
+ /* We are only interested in the advertisement bits changing */
+ return !!(changed & MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL);
+}
+
+static void mvneta_pcs_an_restart(struct phylink_pcs *pcs)
+{
+ struct mvneta_port *pp = mvneta_pcs_to_port(pcs);
u32 gmac_an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG,
@@ -3907,6 +4006,56 @@ static void mvneta_mac_an_restart(struct phylink_config *config)
gmac_an & ~MVNETA_GMAC_INBAND_RESTART_AN);
}
+static const struct phylink_pcs_ops mvneta_phylink_pcs_ops = {
+ .pcs_validate = mvneta_pcs_validate,
+ .pcs_get_state = mvneta_pcs_get_state,
+ .pcs_config = mvneta_pcs_config,
+ .pcs_an_restart = mvneta_pcs_an_restart,
+};
+
+static struct phylink_pcs *mvneta_mac_select_pcs(struct phylink_config *config,
+ phy_interface_t interface)
+{
+ struct net_device *ndev = to_net_dev(config->dev);
+ struct mvneta_port *pp = netdev_priv(ndev);
+
+ return &pp->phylink_pcs;
+}
+
+static int mvneta_mac_prepare(struct phylink_config *config, unsigned int mode,
+ phy_interface_t interface)
+{
+ struct net_device *ndev = to_net_dev(config->dev);
+ struct mvneta_port *pp = netdev_priv(ndev);
+ u32 val;
+
+ if (pp->phy_interface != interface ||
+ phylink_autoneg_inband(mode)) {
+ /* Force the link down when changing the interface or if in
+ * in-band mode. According to Armada 370 documentation, we
+ * can only change the port mode and in-band enable when the
+ * link is down.
+ */
+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+ val &= ~MVNETA_GMAC_FORCE_LINK_PASS;
+ val |= MVNETA_GMAC_FORCE_LINK_DOWN;
+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+ }
+
+ if (pp->phy_interface != interface)
+ WARN_ON(phy_power_off(pp->comphy));
+
+ /* Enable the 1ms clock */
+ if (phylink_autoneg_inband(mode)) {
+ unsigned long rate = clk_get_rate(pp->clk);
+
+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER,
+ MVNETA_GMAC_1MS_CLOCK_ENABLE | (rate / 1000));
+ }
+
+ return 0;
+}
+
static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
const struct phylink_link_state *state)
{
@@ -3915,20 +4064,11 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
u32 new_ctrl0, gmac_ctrl0 = mvreg_read(pp, MVNETA_GMAC_CTRL_0);
u32 new_ctrl2, gmac_ctrl2 = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
u32 new_ctrl4, gmac_ctrl4 = mvreg_read(pp, MVNETA_GMAC_CTRL_4);
- u32 new_clk, gmac_clk = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
- u32 new_an, gmac_an = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
new_ctrl0 = gmac_ctrl0 & ~MVNETA_GMAC0_PORT_1000BASE_X;
new_ctrl2 = gmac_ctrl2 & ~(MVNETA_GMAC2_INBAND_AN_ENABLE |
MVNETA_GMAC2_PORT_RESET);
new_ctrl4 = gmac_ctrl4 & ~(MVNETA_GMAC4_SHORT_PREAMBLE_ENABLE);
- new_clk = gmac_clk & ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
- new_an = gmac_an & ~(MVNETA_GMAC_INBAND_AN_ENABLE |
- MVNETA_GMAC_INBAND_RESTART_AN |
- MVNETA_GMAC_AN_SPEED_EN |
- MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL |
- MVNETA_GMAC_AN_FLOW_CTRL_EN |
- MVNETA_GMAC_AN_DUPLEX_EN);
/* Even though it might look weird, when we're configured in
* SGMII or QSGMII mode, the RGMII bit needs to be set.
@@ -3940,9 +4080,6 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
phy_interface_mode_is_8023z(state->interface))
new_ctrl2 |= MVNETA_GMAC2_PCS_ENABLE;
- if (phylink_test(state->advertising, Pause))
- new_an |= MVNETA_GMAC_ADVERT_SYM_FLOW_CTRL;
-
if (!phylink_autoneg_inband(mode)) {
/* Phy or fixed speed - nothing to do, leave the
* configured speed, duplex and flow control as-is.
@@ -3950,66 +4087,23 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
} else if (state->interface == PHY_INTERFACE_MODE_SGMII) {
/* SGMII mode receives the state from the PHY */
new_ctrl2 |= MVNETA_GMAC2_INBAND_AN_ENABLE;
- new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
- new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN |
- MVNETA_GMAC_FORCE_LINK_PASS |
- MVNETA_GMAC_CONFIG_MII_SPEED |
- MVNETA_GMAC_CONFIG_GMII_SPEED |
- MVNETA_GMAC_CONFIG_FULL_DUPLEX)) |
- MVNETA_GMAC_INBAND_AN_ENABLE |
- MVNETA_GMAC_AN_SPEED_EN |
- MVNETA_GMAC_AN_DUPLEX_EN;
} else {
/* 802.3z negotiation - only 1000base-X */
new_ctrl0 |= MVNETA_GMAC0_PORT_1000BASE_X;
- new_clk |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
- new_an = (new_an & ~(MVNETA_GMAC_FORCE_LINK_DOWN |
- MVNETA_GMAC_FORCE_LINK_PASS |
- MVNETA_GMAC_CONFIG_MII_SPEED)) |
- MVNETA_GMAC_INBAND_AN_ENABLE |
- MVNETA_GMAC_CONFIG_GMII_SPEED |
- /* The MAC only supports FD mode */
- MVNETA_GMAC_CONFIG_FULL_DUPLEX;
-
- if (state->pause & MLO_PAUSE_AN && state->an_enabled)
- new_an |= MVNETA_GMAC_AN_FLOW_CTRL_EN;
}
- /* Armada 370 documentation says we can only change the port mode
- * and in-band enable when the link is down, so force it down
- * while making these changes. We also do this for GMAC_CTRL2
- */
- if ((new_ctrl0 ^ gmac_ctrl0) & MVNETA_GMAC0_PORT_1000BASE_X ||
- (new_ctrl2 ^ gmac_ctrl2) & MVNETA_GMAC2_INBAND_AN_ENABLE ||
- (new_an ^ gmac_an) & MVNETA_GMAC_INBAND_AN_ENABLE) {
- mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG,
- (gmac_an & ~MVNETA_GMAC_FORCE_LINK_PASS) |
- MVNETA_GMAC_FORCE_LINK_DOWN);
- }
-
-
/* When at 2.5G, the link partner can send frames with shortened
* preambles.
*/
if (state->interface == PHY_INTERFACE_MODE_2500BASEX)
new_ctrl4 |= MVNETA_GMAC4_SHORT_PREAMBLE_ENABLE;
- if (pp->phy_interface != state->interface) {
- if (pp->comphy)
- WARN_ON(phy_power_off(pp->comphy));
- WARN_ON(mvneta_config_interface(pp, state->interface));
- }
-
if (new_ctrl0 != gmac_ctrl0)
mvreg_write(pp, MVNETA_GMAC_CTRL_0, new_ctrl0);
if (new_ctrl2 != gmac_ctrl2)
mvreg_write(pp, MVNETA_GMAC_CTRL_2, new_ctrl2);
if (new_ctrl4 != gmac_ctrl4)
mvreg_write(pp, MVNETA_GMAC_CTRL_4, new_ctrl4);
- if (new_clk != gmac_clk)
- mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, new_clk);
- if (new_an != gmac_an)
- mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, new_an);
if (gmac_ctrl2 & MVNETA_GMAC2_PORT_RESET) {
while ((mvreg_read(pp, MVNETA_GMAC_CTRL_2) &
@@ -4018,6 +4112,36 @@ static void mvneta_mac_config(struct phylink_config *config, unsigned int mode,
}
}
+static int mvneta_mac_finish(struct phylink_config *config, unsigned int mode,
+ phy_interface_t interface)
+{
+ struct net_device *ndev = to_net_dev(config->dev);
+ struct mvneta_port *pp = netdev_priv(ndev);
+ u32 val, clk;
+
+ /* Disable 1ms clock if not in in-band mode */
+ if (!phylink_autoneg_inband(mode)) {
+ clk = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
+ clk &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, clk);
+ }
+
+ if (pp->phy_interface != interface)
+ /* Enable the Serdes PHY */
+ WARN_ON(mvneta_config_interface(pp, interface));
+
+ /* Allow the link to come up if in in-band mode, otherwise the
+ * link is forced via mac_link_down()/mac_link_up()
+ */
+ if (phylink_autoneg_inband(mode)) {
+ val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
+ val &= ~MVNETA_GMAC_FORCE_LINK_DOWN;
+ mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+ }
+
+ return 0;
+}
+
static void mvneta_set_eee(struct mvneta_port *pp, bool enable)
{
u32 lpi_ctl1;
@@ -4098,16 +4222,17 @@ static void mvneta_mac_link_up(struct phylink_config *config,
mvneta_port_up(pp);
if (phy && pp->eee_enabled) {
- pp->eee_active = phy_init_eee(phy, 0) >= 0;
+ pp->eee_active = phy_init_eee(phy, false) >= 0;
mvneta_set_eee(pp, pp->eee_active && pp->tx_lpi_enabled);
}
}
static const struct phylink_mac_ops mvneta_phylink_ops = {
- .validate = mvneta_validate,
- .mac_pcs_get_state = mvneta_mac_pcs_get_state,
- .mac_an_restart = mvneta_mac_an_restart,
+ .validate = phylink_generic_validate,
+ .mac_select_pcs = mvneta_mac_select_pcs,
+ .mac_prepare = mvneta_mac_prepare,
.mac_config = mvneta_mac_config,
+ .mac_finish = mvneta_mac_finish,
.mac_link_down = mvneta_mac_link_down,
.mac_link_up = mvneta_mac_link_up,
};
@@ -4419,8 +4544,9 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog,
struct mvneta_port *pp = netdev_priv(dev);
struct bpf_prog *old_prog;
- if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
- NL_SET_ERR_MSG_MOD(extack, "MTU too large for XDP");
+ if (prog && !prog->aux->xdp_has_frags &&
+ dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
+ NL_SET_ERR_MSG_MOD(extack, "prog does not support XDP frags");
return -EOPNOTSUPP;
}
@@ -4530,17 +4656,20 @@ mvneta_ethtool_get_coalesce(struct net_device *dev,
static void mvneta_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
- strlcpy(drvinfo->driver, MVNETA_DRIVER_NAME,
+ strscpy(drvinfo->driver, MVNETA_DRIVER_NAME,
sizeof(drvinfo->driver));
- strlcpy(drvinfo->version, MVNETA_DRIVER_VERSION,
+ strscpy(drvinfo->version, MVNETA_DRIVER_VERSION,
sizeof(drvinfo->version));
- strlcpy(drvinfo->bus_info, dev_name(&dev->dev),
+ strscpy(drvinfo->bus_info, dev_name(&dev->dev),
sizeof(drvinfo->bus_info));
}
-static void mvneta_ethtool_get_ringparam(struct net_device *netdev,
- struct ethtool_ringparam *ring)
+static void
+mvneta_ethtool_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
{
struct mvneta_port *pp = netdev_priv(netdev);
@@ -4550,8 +4679,11 @@ static void mvneta_ethtool_get_ringparam(struct net_device *netdev,
ring->tx_pending = pp->tx_ring_size;
}
-static int mvneta_ethtool_set_ringparam(struct net_device *dev,
- struct ethtool_ringparam *ring)
+static int
+mvneta_ethtool_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
{
struct mvneta_port *pp = netdev_priv(dev);
@@ -4603,6 +4735,9 @@ static void mvneta_ethtool_get_strings(struct net_device *netdev, u32 sset,
for (i = 0; i < ARRAY_SIZE(mvneta_statistics); i++)
memcpy(data + i * ETH_GSTRING_LEN,
mvneta_statistics[i].name, ETH_GSTRING_LEN);
+
+ data += ETH_GSTRING_LEN * ARRAY_SIZE(mvneta_statistics);
+ page_pool_ethtool_stats_get_strings(data);
}
}
@@ -4715,6 +4850,17 @@ static void mvneta_ethtool_update_stats(struct mvneta_port *pp)
}
}
+static void mvneta_ethtool_pp_stats(struct mvneta_port *pp, u64 *data)
+{
+ struct page_pool_stats stats = {};
+ int i;
+
+ for (i = 0; i < rxq_number; i++)
+ page_pool_get_stats(pp->rxqs[i].page_pool, &stats);
+
+ page_pool_ethtool_stats_get(data, &stats);
+}
+
static void mvneta_ethtool_get_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
@@ -4725,12 +4871,16 @@ static void mvneta_ethtool_get_stats(struct net_device *dev,
for (i = 0; i < ARRAY_SIZE(mvneta_statistics); i++)
*data++ = pp->ethtool_stats[i];
+
+ mvneta_ethtool_pp_stats(pp, data);
}
static int mvneta_ethtool_get_sset_count(struct net_device *dev, int sset)
{
if (sset == ETH_SS_STATS)
- return ARRAY_SIZE(mvneta_statistics);
+ return ARRAY_SIZE(mvneta_statistics) +
+ page_pool_ethtool_stats_get_count();
+
return -EOPNOTSUPP;
}
@@ -4919,43 +5069,144 @@ static void mvneta_clear_rx_prio_map(struct mvneta_port *pp)
mvreg_write(pp, MVNETA_VLAN_PRIO_TO_RXQ, 0);
}
-static void mvneta_setup_rx_prio_map(struct mvneta_port *pp)
+static void mvneta_map_vlan_prio_to_rxq(struct mvneta_port *pp, u8 pri, u8 rxq)
{
- u32 val = 0;
- int i;
+ u32 val = mvreg_read(pp, MVNETA_VLAN_PRIO_TO_RXQ);
- for (i = 0; i < rxq_number; i++)
- val |= MVNETA_VLAN_PRIO_RXQ_MAP(i, pp->prio_tc_map[i]);
+ val &= ~MVNETA_VLAN_PRIO_RXQ_MAP(pri, 0x7);
+ val |= MVNETA_VLAN_PRIO_RXQ_MAP(pri, rxq);
mvreg_write(pp, MVNETA_VLAN_PRIO_TO_RXQ, val);
}
+static int mvneta_enable_per_queue_rate_limit(struct mvneta_port *pp)
+{
+ unsigned long core_clk_rate;
+ u32 refill_cycles;
+ u32 val;
+
+ core_clk_rate = clk_get_rate(pp->clk);
+ if (!core_clk_rate)
+ return -EINVAL;
+
+ refill_cycles = MVNETA_TXQ_BUCKET_REFILL_BASE_PERIOD_NS /
+ (NSEC_PER_SEC / core_clk_rate);
+
+ if (refill_cycles > MVNETA_REFILL_MAX_NUM_CLK)
+ return -EINVAL;
+
+ /* Enable bw limit algorithm version 3 */
+ val = mvreg_read(pp, MVNETA_TXQ_CMD1_REG);
+ val &= ~(MVNETA_TXQ_CMD1_BW_LIM_SEL_V1 | MVNETA_TXQ_CMD1_BW_LIM_EN);
+ mvreg_write(pp, MVNETA_TXQ_CMD1_REG, val);
+
+ /* Set the base refill rate */
+ mvreg_write(pp, MVNETA_REFILL_NUM_CLK_REG, refill_cycles);
+
+ return 0;
+}
+
+static void mvneta_disable_per_queue_rate_limit(struct mvneta_port *pp)
+{
+ u32 val = mvreg_read(pp, MVNETA_TXQ_CMD1_REG);
+
+ val |= (MVNETA_TXQ_CMD1_BW_LIM_SEL_V1 | MVNETA_TXQ_CMD1_BW_LIM_EN);
+ mvreg_write(pp, MVNETA_TXQ_CMD1_REG, val);
+}
+
+static int mvneta_setup_queue_rates(struct mvneta_port *pp, int queue,
+ u64 min_rate, u64 max_rate)
+{
+ u32 refill_val, rem;
+ u32 val = 0;
+
+ /* Convert to from Bps to bps */
+ max_rate *= 8;
+
+ if (min_rate)
+ return -EINVAL;
+
+ refill_val = div_u64_rem(max_rate, MVNETA_TXQ_RATE_LIMIT_RESOLUTION,
+ &rem);
+
+ if (rem || !refill_val ||
+ refill_val > MVNETA_TXQ_BUCKET_REFILL_VALUE_MAX)
+ return -EINVAL;
+
+ val = refill_val;
+ val |= (MVNETA_TXQ_BUCKET_REFILL_PERIOD <<
+ MVNETA_TXQ_BUCKET_REFILL_PERIOD_SHIFT);
+
+ mvreg_write(pp, MVNETA_TXQ_BUCKET_REFILL_REG(queue), val);
+
+ return 0;
+}
+
static int mvneta_setup_mqprio(struct net_device *dev,
- struct tc_mqprio_qopt *qopt)
+ struct tc_mqprio_qopt_offload *mqprio)
{
struct mvneta_port *pp = netdev_priv(dev);
+ int rxq, txq, tc, ret;
u8 num_tc;
- int i;
- qopt->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
- num_tc = qopt->num_tc;
+ if (mqprio->qopt.hw != TC_MQPRIO_HW_OFFLOAD_TCS)
+ return 0;
+
+ num_tc = mqprio->qopt.num_tc;
if (num_tc > rxq_number)
return -EINVAL;
+ mvneta_clear_rx_prio_map(pp);
+
if (!num_tc) {
- mvneta_clear_rx_prio_map(pp);
+ mvneta_disable_per_queue_rate_limit(pp);
netdev_reset_tc(dev);
return 0;
}
- memcpy(pp->prio_tc_map, qopt->prio_tc_map, sizeof(pp->prio_tc_map));
+ netdev_set_num_tc(dev, mqprio->qopt.num_tc);
+
+ for (tc = 0; tc < mqprio->qopt.num_tc; tc++) {
+ netdev_set_tc_queue(dev, tc, mqprio->qopt.count[tc],
+ mqprio->qopt.offset[tc]);
+
+ for (rxq = mqprio->qopt.offset[tc];
+ rxq < mqprio->qopt.count[tc] + mqprio->qopt.offset[tc];
+ rxq++) {
+ if (rxq >= rxq_number)
+ return -EINVAL;
+
+ mvneta_map_vlan_prio_to_rxq(pp, tc, rxq);
+ }
+ }
- mvneta_setup_rx_prio_map(pp);
+ if (mqprio->shaper != TC_MQPRIO_SHAPER_BW_RATE) {
+ mvneta_disable_per_queue_rate_limit(pp);
+ return 0;
+ }
- netdev_set_num_tc(dev, qopt->num_tc);
- for (i = 0; i < qopt->num_tc; i++)
- netdev_set_tc_queue(dev, i, qopt->count[i], qopt->offset[i]);
+ if (mqprio->qopt.num_tc > txq_number)
+ return -EINVAL;
+
+ ret = mvneta_enable_per_queue_rate_limit(pp);
+ if (ret)
+ return ret;
+
+ for (tc = 0; tc < mqprio->qopt.num_tc; tc++) {
+ for (txq = mqprio->qopt.offset[tc];
+ txq < mqprio->qopt.count[tc] + mqprio->qopt.offset[tc];
+ txq++) {
+ if (txq >= txq_number)
+ return -EINVAL;
+
+ ret = mvneta_setup_queue_rates(pp, txq,
+ mqprio->min_rate[tc],
+ mqprio->max_rate[tc]);
+ if (ret)
+ return ret;
+ }
+ }
return 0;
}
@@ -5094,6 +5345,10 @@ static void mvneta_conf_mbus_windows(struct mvneta_port *pp,
win_protect |= 3 << (2 * i);
}
} else {
+ if (pp->neta_ac5)
+ mvreg_write(pp, MVNETA_WIN_BASE(0),
+ (MVNETA_AC5_CNM_DDR_ATTR << 8) |
+ MVNETA_AC5_CNM_DDR_TARGET);
/* For Armada3700 open default 4GB Mbus window, leaving
* arbitration of target/attribute to a different layer
* of configuration.
@@ -5143,29 +5398,72 @@ static int mvneta_probe(struct platform_device *pdev)
if (!dev)
return -ENOMEM;
- dev->irq = irq_of_parse_and_map(dn, 0);
- if (dev->irq == 0)
- return -EINVAL;
+ dev->tx_queue_len = MVNETA_MAX_TXD;
+ dev->watchdog_timeo = 5 * HZ;
+ dev->netdev_ops = &mvneta_netdev_ops;
+ dev->ethtool_ops = &mvneta_eth_tool_ops;
+
+ pp = netdev_priv(dev);
+ spin_lock_init(&pp->lock);
+ pp->dn = dn;
+
+ pp->rxq_def = rxq_def;
+ pp->indir[0] = rxq_def;
err = of_get_phy_mode(dn, &phy_mode);
if (err) {
dev_err(&pdev->dev, "incorrect phy-mode\n");
- goto err_free_irq;
+ return err;
}
+ pp->phy_interface = phy_mode;
+
comphy = devm_of_phy_get(&pdev->dev, dn, NULL);
- if (comphy == ERR_PTR(-EPROBE_DEFER)) {
- err = -EPROBE_DEFER;
- goto err_free_irq;
- } else if (IS_ERR(comphy)) {
+ if (comphy == ERR_PTR(-EPROBE_DEFER))
+ return -EPROBE_DEFER;
+
+ if (IS_ERR(comphy))
comphy = NULL;
+
+ pp->comphy = comphy;
+
+ pp->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(pp->base))
+ return PTR_ERR(pp->base);
+
+ /* Get special SoC configurations */
+ if (of_device_is_compatible(dn, "marvell,armada-3700-neta"))
+ pp->neta_armada3700 = true;
+ if (of_device_is_compatible(dn, "marvell,armada-ac5-neta")) {
+ pp->neta_armada3700 = true;
+ pp->neta_ac5 = true;
}
- pp = netdev_priv(dev);
- spin_lock_init(&pp->lock);
+ dev->irq = irq_of_parse_and_map(dn, 0);
+ if (dev->irq == 0)
+ return -EINVAL;
+
+ pp->clk = devm_clk_get(&pdev->dev, "core");
+ if (IS_ERR(pp->clk))
+ pp->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(pp->clk)) {
+ err = PTR_ERR(pp->clk);
+ goto err_free_irq;
+ }
+
+ clk_prepare_enable(pp->clk);
+
+ pp->clk_bus = devm_clk_get(&pdev->dev, "bus");
+ if (!IS_ERR(pp->clk_bus))
+ clk_prepare_enable(pp->clk_bus);
+
+ pp->phylink_pcs.ops = &mvneta_phylink_pcs_ops;
pp->phylink_config.dev = &dev->dev;
pp->phylink_config.type = PHYLINK_NETDEV;
+ pp->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_10 |
+ MAC_100 | MAC_1000FD | MAC_2500FD;
+
phy_interface_set_rgmii(pp->phylink_config.supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_QSGMII,
pp->phylink_config.supported_interfaces);
@@ -5196,52 +5494,16 @@ static int mvneta_probe(struct platform_device *pdev)
phy_mode, &mvneta_phylink_ops);
if (IS_ERR(phylink)) {
err = PTR_ERR(phylink);
- goto err_free_irq;
+ goto err_clk;
}
- dev->tx_queue_len = MVNETA_MAX_TXD;
- dev->watchdog_timeo = 5 * HZ;
- dev->netdev_ops = &mvneta_netdev_ops;
-
- dev->ethtool_ops = &mvneta_eth_tool_ops;
-
pp->phylink = phylink;
- pp->comphy = comphy;
- pp->phy_interface = phy_mode;
- pp->dn = dn;
-
- pp->rxq_def = rxq_def;
- pp->indir[0] = rxq_def;
-
- /* Get special SoC configurations */
- if (of_device_is_compatible(dn, "marvell,armada-3700-neta"))
- pp->neta_armada3700 = true;
-
- pp->clk = devm_clk_get(&pdev->dev, "core");
- if (IS_ERR(pp->clk))
- pp->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(pp->clk)) {
- err = PTR_ERR(pp->clk);
- goto err_free_phylink;
- }
-
- clk_prepare_enable(pp->clk);
-
- pp->clk_bus = devm_clk_get(&pdev->dev, "bus");
- if (!IS_ERR(pp->clk_bus))
- clk_prepare_enable(pp->clk_bus);
-
- pp->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(pp->base)) {
- err = PTR_ERR(pp->base);
- goto err_clk;
- }
/* Alloc per-cpu port structure */
pp->ports = alloc_percpu(struct mvneta_pcpu_port);
if (!pp->ports) {
err = -ENOMEM;
- goto err_clk;
+ goto err_free_phylink;
}
/* Alloc per-cpu stats */
@@ -5338,14 +5600,13 @@ static int mvneta_probe(struct platform_device *pdev)
* operation, so only single NAPI should be initialized.
*/
if (pp->neta_armada3700) {
- netif_napi_add(dev, &pp->napi, mvneta_poll, NAPI_POLL_WEIGHT);
+ netif_napi_add(dev, &pp->napi, mvneta_poll);
} else {
for_each_present_cpu(cpu) {
struct mvneta_pcpu_port *port =
per_cpu_ptr(pp->ports, cpu);
- netif_napi_add(dev, &port->napi, mvneta_poll,
- NAPI_POLL_WEIGHT);
+ netif_napi_add(dev, &port->napi, mvneta_poll);
port->pp = pp;
}
}
@@ -5355,7 +5616,7 @@ static int mvneta_probe(struct platform_device *pdev)
dev->hw_features |= dev->features;
dev->vlan_features |= dev->features;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
- dev->gso_max_segs = MVNETA_MAX_TSO_SEGS;
+ netif_set_tso_max_segs(dev, MVNETA_MAX_TSO_SEGS);
/* MTU range: 68 - 9676 */
dev->min_mtu = ETH_MIN_MTU;
@@ -5385,12 +5646,12 @@ err_netdev:
free_percpu(pp->stats);
err_free_ports:
free_percpu(pp->ports);
-err_clk:
- clk_disable_unprepare(pp->clk_bus);
- clk_disable_unprepare(pp->clk);
err_free_phylink:
if (pp->phylink)
phylink_destroy(pp->phylink);
+err_clk:
+ clk_disable_unprepare(pp->clk_bus);
+ clk_disable_unprepare(pp->clk);
err_free_irq:
irq_dispose_mapping(dev->irq);
return err;
@@ -5536,6 +5797,7 @@ static const struct of_device_id mvneta_match[] = {
{ .compatible = "marvell,armada-370-neta" },
{ .compatible = "marvell,armada-xp-neta" },
{ .compatible = "marvell,armada-3700-neta" },
+ { .compatible = "marvell,armada-ac5-neta" },
{ }
};
MODULE_DEVICE_TABLE(of, mvneta_match);