}
static dma_addr_t
-nfp_net_dma_map_rx(struct nfp_net *nn, void *frag, unsigned int bufsz,
+nfp_net_dma_map_rx(struct nfp_net_dp *dp, void *frag, unsigned int bufsz,
int direction)
{
- return dma_map_single(nn->dev, frag + NFP_NET_RX_BUF_HEADROOM,
+ return dma_map_single(dp->dev, frag + NFP_NET_RX_BUF_HEADROOM,
bufsz - NFP_NET_RX_BUF_NON_DATA, direction);
}
static void
-nfp_net_dma_unmap_rx(struct nfp_net *nn, dma_addr_t dma_addr,
+nfp_net_dma_unmap_rx(struct nfp_net_dp *dp, dma_addr_t dma_addr,
unsigned int bufsz, int direction)
{
- dma_unmap_single(nn->dev, dma_addr,
+ dma_unmap_single(dp->dev, dma_addr,
bufsz - NFP_NET_RX_BUF_NON_DATA, direction);
}
nfp_net_irqs_assign(struct nfp_net *nn, struct msix_entry *irq_entries,
unsigned int n)
{
+ struct nfp_net_dp *dp = &nn->dp;
+
nn->max_r_vecs = n - NFP_NET_NON_Q_VECTORS;
- nn->num_r_vecs = nn->max_r_vecs;
+ dp->num_r_vecs = nn->max_r_vecs;
memcpy(nn->irq_entries, irq_entries, sizeof(*irq_entries) * n);
- if (nn->num_rx_rings > nn->num_r_vecs ||
- nn->num_tx_rings > nn->num_r_vecs)
+ if (dp->num_rx_rings > dp->num_r_vecs ||
+ dp->num_tx_rings > dp->num_r_vecs)
nn_warn(nn, "More rings (%d,%d) than vectors (%d).\n",
- nn->num_rx_rings, nn->num_tx_rings, nn->num_r_vecs);
+ dp->num_rx_rings, dp->num_tx_rings,
+ dp->num_r_vecs);
- nn->num_rx_rings = min(nn->num_r_vecs, nn->num_rx_rings);
- nn->num_tx_rings = min(nn->num_r_vecs, nn->num_tx_rings);
- nn->num_stack_tx_rings = nn->num_tx_rings;
+ dp->num_rx_rings = min(dp->num_r_vecs, dp->num_rx_rings);
+ dp->num_tx_rings = min(dp->num_r_vecs, dp->num_tx_rings);
+ dp->num_stack_tx_rings = dp->num_tx_rings;
}
/**
nn->link_up = link_up;
if (nn->link_up) {
- netif_carrier_on(nn->netdev);
- netdev_info(nn->netdev, "NIC Link is Up\n");
+ netif_carrier_on(nn->dp.netdev);
+ netdev_info(nn->dp.netdev, "NIC Link is Up\n");
} else {
- netif_carrier_off(nn->netdev);
- netdev_info(nn->netdev, "NIC Link is Down\n");
+ netif_carrier_off(nn->dp.netdev);
+ netdev_info(nn->dp.netdev, "NIC Link is Down\n");
}
out:
spin_unlock_irqrestore(&nn->link_status_lock, flags);
entry = &nn->irq_entries[vector_idx];
- snprintf(name, name_sz, format, netdev_name(nn->netdev));
+ snprintf(name, name_sz, format, netdev_name(nn->dp.netdev));
err = request_irq(entry->vector, handler, 0, name, nn);
if (err) {
nn_err(nn, "Failed to request IRQ %d (err=%d).\n",
/**
* nfp_net_tx_tso() - Set up Tx descriptor for LSO
- * @nn: NFP Net device
* @r_vec: per-ring structure
* @txbuf: Pointer to driver soft TX descriptor
* @txd: Pointer to HW TX descriptor
* Set up Tx descriptor for LSO, do nothing for non-LSO skbs.
* Return error on packet header greater than maximum supported LSO header size.
*/
-static void nfp_net_tx_tso(struct nfp_net *nn, struct nfp_net_r_vector *r_vec,
+static void nfp_net_tx_tso(struct nfp_net_r_vector *r_vec,
struct nfp_net_tx_buf *txbuf,
struct nfp_net_tx_desc *txd, struct sk_buff *skb)
{
/**
* nfp_net_tx_csum() - Set TX CSUM offload flags in TX descriptor
- * @nn: NFP Net device
+ * @dp: NFP Net data path struct
* @r_vec: per-ring structure
* @txbuf: Pointer to driver soft TX descriptor
* @txd: Pointer to TX descriptor
* This function sets the TX checksum flags in the TX descriptor based
* on the configuration and the protocol of the packet to be transmitted.
*/
-static void nfp_net_tx_csum(struct nfp_net *nn, struct nfp_net_r_vector *r_vec,
+static void nfp_net_tx_csum(struct nfp_net_dp *dp,
+ struct nfp_net_r_vector *r_vec,
struct nfp_net_tx_buf *txbuf,
struct nfp_net_tx_desc *txd, struct sk_buff *skb)
{
struct iphdr *iph;
u8 l4_hdr;
- if (!(nn->ctrl & NFP_NET_CFG_CTRL_TXCSUM))
+ if (!(dp->ctrl & NFP_NET_CFG_CTRL_TXCSUM))
return;
if (skb->ip_summed != CHECKSUM_PARTIAL)
} else if (ipv6h->version == 6) {
l4_hdr = ipv6h->nexthdr;
} else {
- nn_warn_ratelimit(nn, "partial checksum but ipv=%x!\n",
- iph->version);
+ nn_dp_warn(dp, "partial checksum but ipv=%x!\n", iph->version);
return;
}
txd->flags |= PCIE_DESC_TX_UDP_CSUM;
break;
default:
- nn_warn_ratelimit(nn, "partial checksum but l4 proto=%x!\n",
- l4_hdr);
+ nn_dp_warn(dp, "partial checksum but l4 proto=%x!\n", l4_hdr);
return;
}
struct nfp_net_r_vector *r_vec;
struct nfp_net_tx_buf *txbuf;
struct netdev_queue *nd_q;
+ struct nfp_net_dp *dp;
dma_addr_t dma_addr;
unsigned int fsize;
int f, nr_frags;
int wr_idx;
u16 qidx;
+ dp = &nn->dp;
qidx = skb_get_queue_mapping(skb);
- tx_ring = &nn->tx_rings[qidx];
+ tx_ring = &dp->tx_rings[qidx];
r_vec = tx_ring->r_vec;
- nd_q = netdev_get_tx_queue(nn->netdev, qidx);
+ nd_q = netdev_get_tx_queue(dp->netdev, qidx);
nr_frags = skb_shinfo(skb)->nr_frags;
if (unlikely(nfp_net_tx_full(tx_ring, nr_frags + 1))) {
- nn_warn_ratelimit(nn, "TX ring %d busy. wrp=%u rdp=%u\n",
- qidx, tx_ring->wr_p, tx_ring->rd_p);
+ nn_dp_warn(dp, "TX ring %d busy. wrp=%u rdp=%u\n",
+ qidx, tx_ring->wr_p, tx_ring->rd_p);
netif_tx_stop_queue(nd_q);
u64_stats_update_begin(&r_vec->tx_sync);
r_vec->tx_busy++;
}
/* Start with the head skbuf */
- dma_addr = dma_map_single(nn->dev, skb->data, skb_headlen(skb),
+ dma_addr = dma_map_single(dp->dev, skb->data, skb_headlen(skb),
DMA_TO_DEVICE);
- if (dma_mapping_error(nn->dev, dma_addr))
+ if (dma_mapping_error(dp->dev, dma_addr))
goto err_free;
wr_idx = tx_ring->wr_p & (tx_ring->cnt - 1);
txd->mss = 0;
txd->l4_offset = 0;
- nfp_net_tx_tso(nn, r_vec, txbuf, txd, skb);
+ nfp_net_tx_tso(r_vec, txbuf, txd, skb);
- nfp_net_tx_csum(nn, r_vec, txbuf, txd, skb);
+ nfp_net_tx_csum(dp, r_vec, txbuf, txd, skb);
- if (skb_vlan_tag_present(skb) && nn->ctrl & NFP_NET_CFG_CTRL_TXVLAN) {
+ if (skb_vlan_tag_present(skb) && dp->ctrl & NFP_NET_CFG_CTRL_TXVLAN) {
txd->flags |= PCIE_DESC_TX_VLAN;
txd->vlan = cpu_to_le16(skb_vlan_tag_get(skb));
}
frag = &skb_shinfo(skb)->frags[f];
fsize = skb_frag_size(frag);
- dma_addr = skb_frag_dma_map(nn->dev, frag, 0,
+ dma_addr = skb_frag_dma_map(dp->dev, frag, 0,
fsize, DMA_TO_DEVICE);
- if (dma_mapping_error(nn->dev, dma_addr))
+ if (dma_mapping_error(dp->dev, dma_addr))
goto err_unmap;
wr_idx = (wr_idx + 1) & (tx_ring->cnt - 1);
--f;
while (f >= 0) {
frag = &skb_shinfo(skb)->frags[f];
- dma_unmap_page(nn->dev, tx_ring->txbufs[wr_idx].dma_addr,
+ dma_unmap_page(dp->dev, tx_ring->txbufs[wr_idx].dma_addr,
skb_frag_size(frag), DMA_TO_DEVICE);
tx_ring->txbufs[wr_idx].skb = NULL;
tx_ring->txbufs[wr_idx].dma_addr = 0;
if (wr_idx < 0)
wr_idx += tx_ring->cnt;
}
- dma_unmap_single(nn->dev, tx_ring->txbufs[wr_idx].dma_addr,
+ dma_unmap_single(dp->dev, tx_ring->txbufs[wr_idx].dma_addr,
skb_headlen(skb), DMA_TO_DEVICE);
tx_ring->txbufs[wr_idx].skb = NULL;
tx_ring->txbufs[wr_idx].dma_addr = 0;
tx_ring->txbufs[wr_idx].fidx = -2;
err_free:
- nn_warn_ratelimit(nn, "Failed to map DMA TX buffer\n");
+ nn_dp_warn(dp, "Failed to map DMA TX buffer\n");
u64_stats_update_begin(&r_vec->tx_sync);
r_vec->tx_errors++;
u64_stats_update_end(&r_vec->tx_sync);
static void nfp_net_tx_complete(struct nfp_net_tx_ring *tx_ring)
{
struct nfp_net_r_vector *r_vec = tx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
const struct skb_frag_struct *frag;
struct netdev_queue *nd_q;
u32 done_pkts = 0, done_bytes = 0;
if (fidx == -1) {
/* unmap head */
- dma_unmap_single(nn->dev, tx_ring->txbufs[idx].dma_addr,
+ dma_unmap_single(dp->dev, tx_ring->txbufs[idx].dma_addr,
skb_headlen(skb), DMA_TO_DEVICE);
done_pkts += tx_ring->txbufs[idx].pkt_cnt;
} else {
/* unmap fragment */
frag = &skb_shinfo(skb)->frags[fidx];
- dma_unmap_page(nn->dev, tx_ring->txbufs[idx].dma_addr,
+ dma_unmap_page(dp->dev, tx_ring->txbufs[idx].dma_addr,
skb_frag_size(frag), DMA_TO_DEVICE);
}
r_vec->tx_pkts += done_pkts;
u64_stats_update_end(&r_vec->tx_sync);
- nd_q = netdev_get_tx_queue(nn->netdev, tx_ring->idx);
+ nd_q = netdev_get_tx_queue(dp->netdev, tx_ring->idx);
netdev_tx_completed_queue(nd_q, done_pkts, done_bytes);
if (nfp_net_tx_ring_should_wake(tx_ring)) {
/* Make sure TX thread will see updated tx_ring->rd_p */
static void nfp_net_xdp_complete(struct nfp_net_tx_ring *tx_ring)
{
struct nfp_net_r_vector *r_vec = tx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
u32 done_pkts = 0, done_bytes = 0;
int idx, todo;
u32 qcp_rd_p;
if (!tx_ring->txbufs[idx].frag)
continue;
- nfp_net_dma_unmap_rx(nn, tx_ring->txbufs[idx].dma_addr,
- nn->fl_bufsz, DMA_BIDIRECTIONAL);
+ nfp_net_dma_unmap_rx(dp, tx_ring->txbufs[idx].dma_addr,
+ dp->fl_bufsz, DMA_BIDIRECTIONAL);
__free_page(virt_to_page(tx_ring->txbufs[idx].frag));
done_pkts++;
/**
* nfp_net_tx_ring_reset() - Free any untransmitted buffers and reset pointers
- * @nn: NFP Net device
+ * @dp: NFP Net data path struct
* @tx_ring: TX ring structure
*
* Assumes that the device is stopped
*/
static void
-nfp_net_tx_ring_reset(struct nfp_net *nn, struct nfp_net_tx_ring *tx_ring)
+nfp_net_tx_ring_reset(struct nfp_net_dp *dp, struct nfp_net_tx_ring *tx_ring)
{
struct nfp_net_r_vector *r_vec = tx_ring->r_vec;
const struct skb_frag_struct *frag;
tx_buf = &tx_ring->txbufs[idx];
if (tx_ring == r_vec->xdp_ring) {
- nfp_net_dma_unmap_rx(nn, tx_buf->dma_addr,
- nn->fl_bufsz, DMA_BIDIRECTIONAL);
+ nfp_net_dma_unmap_rx(dp, tx_buf->dma_addr,
+ dp->fl_bufsz, DMA_BIDIRECTIONAL);
__free_page(virt_to_page(tx_ring->txbufs[idx].frag));
} else {
struct sk_buff *skb = tx_ring->txbufs[idx].skb;
if (tx_buf->fidx == -1) {
/* unmap head */
- dma_unmap_single(nn->dev, tx_buf->dma_addr,
+ dma_unmap_single(dp->dev, tx_buf->dma_addr,
skb_headlen(skb),
DMA_TO_DEVICE);
} else {
/* unmap fragment */
frag = &skb_shinfo(skb)->frags[tx_buf->fidx];
- dma_unmap_page(nn->dev, tx_buf->dma_addr,
+ dma_unmap_page(dp->dev, tx_buf->dma_addr,
skb_frag_size(frag),
DMA_TO_DEVICE);
}
if (tx_ring == r_vec->xdp_ring)
return;
- nd_q = netdev_get_tx_queue(nn->netdev, tx_ring->idx);
+ nd_q = netdev_get_tx_queue(dp->netdev, tx_ring->idx);
netdev_tx_reset_queue(nd_q);
}
struct nfp_net *nn = netdev_priv(netdev);
int i;
- for (i = 0; i < nn->netdev->real_num_tx_queues; i++) {
+ for (i = 0; i < nn->dp.netdev->real_num_tx_queues; i++) {
if (!netif_tx_queue_stopped(netdev_get_tx_queue(netdev, i)))
continue;
nn_warn(nn, "TX timeout on ring: %d\n", i);
/* Receive processing
*/
static unsigned int
-nfp_net_calc_fl_bufsz(struct nfp_net *nn, unsigned int mtu)
+nfp_net_calc_fl_bufsz(struct nfp_net_dp *dp, unsigned int mtu)
{
unsigned int fl_bufsz;
fl_bufsz = NFP_NET_RX_BUF_HEADROOM;
- if (nn->rx_offset == NFP_NET_CFG_RX_OFFSET_DYNAMIC)
+ if (dp->rx_offset == NFP_NET_CFG_RX_OFFSET_DYNAMIC)
fl_bufsz += NFP_NET_MAX_PREPEND;
else
- fl_bufsz += nn->rx_offset;
+ fl_bufsz += dp->rx_offset;
fl_bufsz += ETH_HLEN + VLAN_HLEN * 2 + mtu;
fl_bufsz = SKB_DATA_ALIGN(fl_bufsz);
nfp_net_rx_alloc_one(struct nfp_net_rx_ring *rx_ring, dma_addr_t *dma_addr,
unsigned int fl_bufsz, bool xdp)
{
- struct nfp_net *nn = rx_ring->r_vec->nfp_net;
+ struct nfp_net_dp *dp = &rx_ring->r_vec->nfp_net->dp;
int direction;
void *frag;
else
frag = page_address(alloc_page(GFP_KERNEL | __GFP_COLD));
if (!frag) {
- nn_warn_ratelimit(nn, "Failed to alloc receive page frag\n");
+ nn_dp_warn(dp, "Failed to alloc receive page frag\n");
return NULL;
}
direction = xdp ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
- *dma_addr = nfp_net_dma_map_rx(nn, frag, fl_bufsz, direction);
- if (dma_mapping_error(nn->dev, *dma_addr)) {
+ *dma_addr = nfp_net_dma_map_rx(dp, frag, fl_bufsz, direction);
+ if (dma_mapping_error(dp->dev, *dma_addr)) {
nfp_net_free_frag(frag, xdp);
- nn_warn_ratelimit(nn, "Failed to map DMA RX buffer\n");
+ nn_dp_warn(dp, "Failed to map DMA RX buffer\n");
return NULL;
}
}
static void *
-nfp_net_napi_alloc_one(struct nfp_net *nn, int direction, dma_addr_t *dma_addr)
+nfp_net_napi_alloc_one(struct nfp_net_dp *dp, int direction,
+ dma_addr_t *dma_addr)
{
void *frag;
- if (!nn->xdp_prog)
- frag = napi_alloc_frag(nn->fl_bufsz);
+ if (!dp->xdp_prog)
+ frag = napi_alloc_frag(dp->fl_bufsz);
else
frag = page_address(alloc_page(GFP_ATOMIC | __GFP_COLD));
if (!frag) {
- nn_warn_ratelimit(nn, "Failed to alloc receive page frag\n");
+ nn_dp_warn(dp, "Failed to alloc receive page frag\n");
return NULL;
}
- *dma_addr = nfp_net_dma_map_rx(nn, frag, nn->fl_bufsz, direction);
- if (dma_mapping_error(nn->dev, *dma_addr)) {
- nfp_net_free_frag(frag, nn->xdp_prog);
- nn_warn_ratelimit(nn, "Failed to map DMA RX buffer\n");
+ *dma_addr = nfp_net_dma_map_rx(dp, frag, dp->fl_bufsz, direction);
+ if (dma_mapping_error(dp->dev, *dma_addr)) {
+ nfp_net_free_frag(frag, dp->xdp_prog);
+ nn_dp_warn(dp, "Failed to map DMA RX buffer\n");
return NULL;
}
/**
* nfp_net_rx_ring_bufs_free() - Free any buffers currently on the RX ring
- * @nn: NFP Net device
+ * @dp: NFP Net data path struct
* @rx_ring: RX ring to remove buffers from
* @xdp: Whether XDP is enabled
*
* to restore required ring geometry.
*/
static void
-nfp_net_rx_ring_bufs_free(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
- bool xdp)
+nfp_net_rx_ring_bufs_free(struct nfp_net_dp *dp,
+ struct nfp_net_rx_ring *rx_ring, bool xdp)
{
int direction = xdp ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
unsigned int i;
if (!rx_ring->rxbufs[i].frag)
continue;
- nfp_net_dma_unmap_rx(nn, rx_ring->rxbufs[i].dma_addr,
+ nfp_net_dma_unmap_rx(dp, rx_ring->rxbufs[i].dma_addr,
rx_ring->bufsz, direction);
nfp_net_free_frag(rx_ring->rxbufs[i].frag, xdp);
rx_ring->rxbufs[i].dma_addr = 0;
/**
* nfp_net_rx_ring_bufs_alloc() - Fill RX ring with buffers (don't give to FW)
- * @nn: NFP Net device
+ * @dp: NFP Net data path struct
* @rx_ring: RX ring to remove buffers from
* @xdp: Whether XDP is enabled
*/
static int
-nfp_net_rx_ring_bufs_alloc(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
- bool xdp)
+nfp_net_rx_ring_bufs_alloc(struct nfp_net_dp *dp,
+ struct nfp_net_rx_ring *rx_ring, bool xdp)
{
struct nfp_net_rx_buf *rxbufs;
unsigned int i;
nfp_net_rx_alloc_one(rx_ring, &rxbufs[i].dma_addr,
rx_ring->bufsz, xdp);
if (!rxbufs[i].frag) {
- nfp_net_rx_ring_bufs_free(nn, rx_ring, xdp);
+ nfp_net_rx_ring_bufs_free(dp, rx_ring, xdp);
return -ENOMEM;
}
}
/**
* nfp_net_rx_csum() - set SKB checksum field based on RX descriptor flags
- * @nn: NFP Net device
+ * @dp: NFP Net data path struct
* @r_vec: per-ring structure
* @rxd: Pointer to RX descriptor
* @skb: Pointer to SKB
*/
-static void nfp_net_rx_csum(struct nfp_net *nn, struct nfp_net_r_vector *r_vec,
+static void nfp_net_rx_csum(struct nfp_net_dp *dp,
+ struct nfp_net_r_vector *r_vec,
struct nfp_net_rx_desc *rxd, struct sk_buff *skb)
{
skb_checksum_none_assert(skb);
- if (!(nn->netdev->features & NETIF_F_RXCSUM))
+ if (!(dp->netdev->features & NETIF_F_RXCSUM))
return;
if (nfp_net_rx_csum_has_errors(le16_to_cpu(rxd->rxd.flags))) {
}
static bool
-nfp_net_tx_xdp_buf(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
+nfp_net_tx_xdp_buf(struct nfp_net_dp *dp, struct nfp_net_rx_ring *rx_ring,
struct nfp_net_tx_ring *tx_ring,
struct nfp_net_rx_buf *rxbuf, unsigned int pkt_off,
unsigned int pkt_len)
return false;
}
- new_frag = nfp_net_napi_alloc_one(nn, DMA_BIDIRECTIONAL, &new_dma_addr);
+ new_frag = nfp_net_napi_alloc_one(dp, DMA_BIDIRECTIONAL, &new_dma_addr);
if (unlikely(!new_frag)) {
nfp_net_rx_drop(rx_ring->r_vec, rx_ring, rxbuf, NULL);
return false;
txbuf->pkt_cnt = 1;
txbuf->real_len = pkt_len;
- dma_sync_single_for_device(nn->dev, rxbuf->dma_addr + pkt_off,
+ dma_sync_single_for_device(dp->dev, rxbuf->dma_addr + pkt_off,
pkt_len, DMA_BIDIRECTIONAL);
/* Build TX descriptor */
static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget)
{
struct nfp_net_r_vector *r_vec = rx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
struct nfp_net_tx_ring *tx_ring;
struct bpf_prog *xdp_prog;
unsigned int true_bufsz;
int idx;
rcu_read_lock();
- xdp_prog = READ_ONCE(nn->xdp_prog);
+ xdp_prog = READ_ONCE(dp->xdp_prog);
rx_dma_map_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
- true_bufsz = xdp_prog ? PAGE_SIZE : nn->fl_bufsz;
+ true_bufsz = xdp_prog ? PAGE_SIZE : dp->fl_bufsz;
tx_ring = r_vec->xdp_ring;
while (pkts_polled < budget) {
data_len = le16_to_cpu(rxd->rxd.data_len);
pkt_len = data_len - meta_len;
- if (nn->rx_offset == NFP_NET_CFG_RX_OFFSET_DYNAMIC)
+ if (dp->rx_offset == NFP_NET_CFG_RX_OFFSET_DYNAMIC)
pkt_off = meta_len;
else
- pkt_off = nn->rx_offset;
+ pkt_off = dp->rx_offset;
data_off = NFP_NET_RX_BUF_HEADROOM + pkt_off;
/* Stats update */
u64_stats_update_end(&r_vec->rx_sync);
if (xdp_prog && !(rxd->rxd.flags & PCIE_DESC_RX_BPF &&
- nn->bpf_offload_xdp)) {
+ dp->bpf_offload_xdp)) {
int act;
- dma_sync_single_for_cpu(nn->dev,
+ dma_sync_single_for_cpu(dp->dev,
rxbuf->dma_addr + pkt_off,
pkt_len, DMA_BIDIRECTIONAL);
act = nfp_net_run_xdp(xdp_prog, rxbuf->frag + data_off,
case XDP_PASS:
break;
case XDP_TX:
- if (unlikely(!nfp_net_tx_xdp_buf(nn, rx_ring,
+ if (unlikely(!nfp_net_tx_xdp_buf(dp, rx_ring,
tx_ring, rxbuf,
- pkt_off, pkt_len)))
- trace_xdp_exception(nn->netdev, xdp_prog, act);
+ pkt_off,
+ pkt_len)))
+ trace_xdp_exception(dp->netdev,
+ xdp_prog, act);
continue;
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
- trace_xdp_exception(nn->netdev, xdp_prog, act);
+ trace_xdp_exception(dp->netdev, xdp_prog, act);
case XDP_DROP:
nfp_net_rx_give_one(rx_ring, rxbuf->frag,
rxbuf->dma_addr);
nfp_net_rx_drop(r_vec, rx_ring, rxbuf, NULL);
continue;
}
- new_frag = nfp_net_napi_alloc_one(nn, rx_dma_map_dir,
+ new_frag = nfp_net_napi_alloc_one(dp, rx_dma_map_dir,
&new_dma_addr);
if (unlikely(!new_frag)) {
nfp_net_rx_drop(r_vec, rx_ring, rxbuf, skb);
continue;
}
- nfp_net_dma_unmap_rx(nn, rxbuf->dma_addr, nn->fl_bufsz,
+ nfp_net_dma_unmap_rx(dp, rxbuf->dma_addr, dp->fl_bufsz,
rx_dma_map_dir);
nfp_net_rx_give_one(rx_ring, new_frag, new_dma_addr);
skb_reserve(skb, data_off);
skb_put(skb, pkt_len);
- if (!nn->chained_metadata_format) {
- nfp_net_set_hash_desc(nn->netdev, skb, rxd);
+ if (!dp->chained_metadata_format) {
+ nfp_net_set_hash_desc(dp->netdev, skb, rxd);
} else if (meta_len) {
void *end;
- end = nfp_net_parse_meta(nn->netdev, skb, meta_len);
+ end = nfp_net_parse_meta(dp->netdev, skb, meta_len);
if (unlikely(end != skb->data)) {
- nn_warn_ratelimit(nn, "invalid RX packet metadata\n");
+ nn_dp_warn(dp, "invalid RX packet metadata\n");
nfp_net_rx_drop(r_vec, rx_ring, NULL, skb);
continue;
}
}
skb_record_rx_queue(skb, rx_ring->idx);
- skb->protocol = eth_type_trans(skb, nn->netdev);
+ skb->protocol = eth_type_trans(skb, dp->netdev);
- nfp_net_rx_csum(nn, r_vec, rxd, skb);
+ nfp_net_rx_csum(dp, r_vec, rxd, skb);
if (rxd->rxd.flags & PCIE_DESC_RX_VLAN)
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
static void nfp_net_tx_ring_free(struct nfp_net_tx_ring *tx_ring)
{
struct nfp_net_r_vector *r_vec = tx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
kfree(tx_ring->txbufs);
if (tx_ring->txds)
- dma_free_coherent(nn->dev, tx_ring->size,
+ dma_free_coherent(dp->dev, tx_ring->size,
tx_ring->txds, tx_ring->dma);
tx_ring->cnt = 0;
nfp_net_tx_ring_alloc(struct nfp_net_tx_ring *tx_ring, u32 cnt, bool is_xdp)
{
struct nfp_net_r_vector *r_vec = tx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
int sz;
tx_ring->cnt = cnt;
tx_ring->size = sizeof(*tx_ring->txds) * tx_ring->cnt;
- tx_ring->txds = dma_zalloc_coherent(nn->dev, tx_ring->size,
+ tx_ring->txds = dma_zalloc_coherent(dp->dev, tx_ring->size,
&tx_ring->dma, GFP_KERNEL);
if (!tx_ring->txds)
goto err_alloc;
goto err_alloc;
if (!is_xdp)
- netif_set_xps_queue(nn->netdev, &r_vec->affinity_mask,
+ netif_set_xps_queue(dp->netdev, &r_vec->affinity_mask,
tx_ring->idx);
return 0;
{
struct nfp_net_ring_set new = *s;
- s->dcnt = nn->txd_cnt;
- s->rings = nn->tx_rings;
- s->n_rings = nn->num_tx_rings;
+ s->dcnt = nn->dp.txd_cnt;
+ s->rings = nn->dp.tx_rings;
+ s->n_rings = nn->dp.num_tx_rings;
- nn->txd_cnt = new.dcnt;
- nn->tx_rings = new.rings;
- nn->num_tx_rings = new.n_rings;
+ nn->dp.txd_cnt = new.dcnt;
+ nn->dp.tx_rings = new.rings;
+ nn->dp.num_tx_rings = new.n_rings;
}
-static void
-nfp_net_tx_ring_set_free(struct nfp_net *nn, struct nfp_net_ring_set *s)
+static void nfp_net_tx_ring_set_free(struct nfp_net_ring_set *s)
{
struct nfp_net_tx_ring *rings = s->rings;
unsigned int r;
static void nfp_net_rx_ring_free(struct nfp_net_rx_ring *rx_ring)
{
struct nfp_net_r_vector *r_vec = rx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
kfree(rx_ring->rxbufs);
if (rx_ring->rxds)
- dma_free_coherent(nn->dev, rx_ring->size,
+ dma_free_coherent(dp->dev, rx_ring->size,
rx_ring->rxds, rx_ring->dma);
rx_ring->cnt = 0;
u32 cnt)
{
struct nfp_net_r_vector *r_vec = rx_ring->r_vec;
- struct nfp_net *nn = r_vec->nfp_net;
+ struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
int sz;
rx_ring->cnt = cnt;
rx_ring->bufsz = fl_bufsz;
rx_ring->size = sizeof(*rx_ring->rxds) * rx_ring->cnt;
- rx_ring->rxds = dma_zalloc_coherent(nn->dev, rx_ring->size,
+ rx_ring->rxds = dma_zalloc_coherent(dp->dev, rx_ring->size,
&rx_ring->dma, GFP_KERNEL);
if (!rx_ring->rxds)
goto err_alloc;
nfp_net_rx_ring_set_prepare(struct nfp_net *nn, struct nfp_net_ring_set *s,
bool xdp)
{
- unsigned int fl_bufsz = nfp_net_calc_fl_bufsz(nn, s->mtu);
+ unsigned int fl_bufsz = nfp_net_calc_fl_bufsz(&nn->dp, s->mtu);
struct nfp_net_rx_ring *rings;
unsigned int r;
if (nfp_net_rx_ring_alloc(&rings[r], fl_bufsz, s->dcnt))
goto err_free_prev;
- if (nfp_net_rx_ring_bufs_alloc(nn, &rings[r], xdp))
+ if (nfp_net_rx_ring_bufs_alloc(&nn->dp, &rings[r], xdp))
goto err_free_ring;
}
err_free_prev:
while (r--) {
- nfp_net_rx_ring_bufs_free(nn, &rings[r], xdp);
+ nfp_net_rx_ring_bufs_free(&nn->dp, &rings[r], xdp);
err_free_ring:
nfp_net_rx_ring_free(&rings[r]);
}
{
struct nfp_net_ring_set new = *s;
- s->mtu = nn->netdev->mtu;
- s->dcnt = nn->rxd_cnt;
- s->rings = nn->rx_rings;
- s->n_rings = nn->num_rx_rings;
+ s->mtu = nn->dp.netdev->mtu;
+ s->dcnt = nn->dp.rxd_cnt;
+ s->rings = nn->dp.rx_rings;
+ s->n_rings = nn->dp.num_rx_rings;
- nn->netdev->mtu = new.mtu;
- nn->fl_bufsz = nfp_net_calc_fl_bufsz(nn, new.mtu);
- nn->rxd_cnt = new.dcnt;
- nn->rx_rings = new.rings;
- nn->num_rx_rings = new.n_rings;
+ nn->dp.netdev->mtu = new.mtu;
+ nn->dp.fl_bufsz = nfp_net_calc_fl_bufsz(&nn->dp, new.mtu);
+ nn->dp.rxd_cnt = new.dcnt;
+ nn->dp.rx_rings = new.rings;
+ nn->dp.num_rx_rings = new.n_rings;
}
static void
-nfp_net_rx_ring_set_free(struct nfp_net *nn, struct nfp_net_ring_set *s,
+nfp_net_rx_ring_set_free(struct nfp_net_dp *dp, struct nfp_net_ring_set *s,
bool xdp)
{
struct nfp_net_rx_ring *rings = s->rings;
unsigned int r;
for (r = 0; r < s->n_rings; r++) {
- nfp_net_rx_ring_bufs_free(nn, &rings[r], xdp);
+ nfp_net_rx_ring_bufs_free(dp, &rings[r], xdp);
nfp_net_rx_ring_free(&rings[r]);
}
}
static void
-nfp_net_vector_assign_rings(struct nfp_net *nn, struct nfp_net_r_vector *r_vec,
- int idx)
+nfp_net_vector_assign_rings(struct nfp_net_dp *dp,
+ struct nfp_net_r_vector *r_vec, int idx)
{
- r_vec->rx_ring = idx < nn->num_rx_rings ? &nn->rx_rings[idx] : NULL;
+ r_vec->rx_ring = idx < dp->num_rx_rings ? &dp->rx_rings[idx] : NULL;
r_vec->tx_ring =
- idx < nn->num_stack_tx_rings ? &nn->tx_rings[idx] : NULL;
+ idx < dp->num_stack_tx_rings ? &dp->tx_rings[idx] : NULL;
- r_vec->xdp_ring = idx < nn->num_tx_rings - nn->num_stack_tx_rings ?
- &nn->tx_rings[nn->num_stack_tx_rings + idx] : NULL;
+ r_vec->xdp_ring = idx < dp->num_tx_rings - dp->num_stack_tx_rings ?
+ &dp->tx_rings[dp->num_stack_tx_rings + idx] : NULL;
}
static int
int err;
/* Setup NAPI */
- netif_napi_add(nn->netdev, &r_vec->napi,
+ netif_napi_add(nn->dp.netdev, &r_vec->napi,
nfp_net_poll, NAPI_POLL_WEIGHT);
snprintf(r_vec->name, sizeof(r_vec->name),
- "%s-rxtx-%d", nn->netdev->name, idx);
+ "%s-rxtx-%d", nn->dp.netdev->name, idx);
err = request_irq(r_vec->irq_vector, r_vec->handler, 0, r_vec->name,
r_vec);
if (err) {
/* copy RX interrupt coalesce parameters */
value = (nn->rx_coalesce_max_frames << 16) |
(factor * nn->rx_coalesce_usecs);
- for (i = 0; i < nn->num_rx_rings; i++)
+ for (i = 0; i < nn->dp.num_rx_rings; i++)
nn_writel(nn, NFP_NET_CFG_RXR_IRQ_MOD(i), value);
/* copy TX interrupt coalesce parameters */
value = (nn->tx_coalesce_max_frames << 16) |
(factor * nn->tx_coalesce_usecs);
- for (i = 0; i < nn->num_tx_rings; i++)
+ for (i = 0; i < nn->dp.num_tx_rings; i++)
nn_writel(nn, NFP_NET_CFG_TXR_IRQ_MOD(i), value);
}
static void nfp_net_write_mac_addr(struct nfp_net *nn)
{
nn_writel(nn, NFP_NET_CFG_MACADDR + 0,
- get_unaligned_be32(nn->netdev->dev_addr));
+ get_unaligned_be32(nn->dp.netdev->dev_addr));
nn_writew(nn, NFP_NET_CFG_MACADDR + 6,
- get_unaligned_be16(nn->netdev->dev_addr + 4));
+ get_unaligned_be16(nn->dp.netdev->dev_addr + 4));
}
static void nfp_net_vec_clear_ring_data(struct nfp_net *nn, unsigned int idx)
unsigned int r;
int err;
- new_ctrl = nn->ctrl;
+ new_ctrl = nn->dp.ctrl;
new_ctrl &= ~NFP_NET_CFG_CTRL_ENABLE;
update = NFP_NET_CFG_UPDATE_GEN;
update |= NFP_NET_CFG_UPDATE_MSIX;
if (err)
nn_err(nn, "Could not disable device: %d\n", err);
- for (r = 0; r < nn->num_rx_rings; r++)
- nfp_net_rx_ring_reset(&nn->rx_rings[r]);
- for (r = 0; r < nn->num_tx_rings; r++)
- nfp_net_tx_ring_reset(nn, &nn->tx_rings[r]);
- for (r = 0; r < nn->num_r_vecs; r++)
+ for (r = 0; r < nn->dp.num_rx_rings; r++)
+ nfp_net_rx_ring_reset(&nn->dp.rx_rings[r]);
+ for (r = 0; r < nn->dp.num_tx_rings; r++)
+ nfp_net_tx_ring_reset(&nn->dp, &nn->dp.tx_rings[r]);
+ for (r = 0; r < nn->dp.num_r_vecs; r++)
nfp_net_vec_clear_ring_data(nn, r);
- nn->ctrl = new_ctrl;
+ nn->dp.ctrl = new_ctrl;
}
static void
unsigned int r;
int err;
- new_ctrl = nn->ctrl;
+ new_ctrl = nn->dp.ctrl;
if (nn->cap & NFP_NET_CFG_CTRL_RSS) {
nfp_net_rss_write_key(nn);
update |= NFP_NET_CFG_UPDATE_IRQMOD;
}
- for (r = 0; r < nn->num_tx_rings; r++)
- nfp_net_tx_ring_hw_cfg_write(nn, &nn->tx_rings[r], r);
- for (r = 0; r < nn->num_rx_rings; r++)
- nfp_net_rx_ring_hw_cfg_write(nn, &nn->rx_rings[r], r);
+ for (r = 0; r < nn->dp.num_tx_rings; r++)
+ nfp_net_tx_ring_hw_cfg_write(nn, &nn->dp.tx_rings[r], r);
+ for (r = 0; r < nn->dp.num_rx_rings; r++)
+ nfp_net_rx_ring_hw_cfg_write(nn, &nn->dp.rx_rings[r], r);
- nn_writeq(nn, NFP_NET_CFG_TXRS_ENABLE, nn->num_tx_rings == 64 ?
- 0xffffffffffffffffULL : ((u64)1 << nn->num_tx_rings) - 1);
+ nn_writeq(nn, NFP_NET_CFG_TXRS_ENABLE, nn->dp.num_tx_rings == 64 ?
+ 0xffffffffffffffffULL : ((u64)1 << nn->dp.num_tx_rings) - 1);
- nn_writeq(nn, NFP_NET_CFG_RXRS_ENABLE, nn->num_rx_rings == 64 ?
- 0xffffffffffffffffULL : ((u64)1 << nn->num_rx_rings) - 1);
+ nn_writeq(nn, NFP_NET_CFG_RXRS_ENABLE, nn->dp.num_rx_rings == 64 ?
+ 0xffffffffffffffffULL : ((u64)1 << nn->dp.num_rx_rings) - 1);
nfp_net_write_mac_addr(nn);
- nn_writel(nn, NFP_NET_CFG_MTU, nn->netdev->mtu);
+ nn_writel(nn, NFP_NET_CFG_MTU, nn->dp.netdev->mtu);
nn_writel(nn, NFP_NET_CFG_FLBUFSZ,
- nn->fl_bufsz - NFP_NET_RX_BUF_NON_DATA);
+ nn->dp.fl_bufsz - NFP_NET_RX_BUF_NON_DATA);
/* Enable device */
new_ctrl |= NFP_NET_CFG_CTRL_ENABLE;
nn_writel(nn, NFP_NET_CFG_CTRL, new_ctrl);
err = nfp_net_reconfig(nn, update);
- nn->ctrl = new_ctrl;
+ nn->dp.ctrl = new_ctrl;
- for (r = 0; r < nn->num_rx_rings; r++)
- nfp_net_rx_ring_fill_freelist(&nn->rx_rings[r]);
+ for (r = 0; r < nn->dp.num_rx_rings; r++)
+ nfp_net_rx_ring_fill_freelist(&nn->dp.rx_rings[r]);
/* Since reconfiguration requests while NFP is down are ignored we
* have to wipe the entire VXLAN configuration and reinitialize it.
*/
- if (nn->ctrl & NFP_NET_CFG_CTRL_VXLAN) {
+ if (nn->dp.ctrl & NFP_NET_CFG_CTRL_VXLAN) {
memset(&nn->vxlan_ports, 0, sizeof(nn->vxlan_ports));
memset(&nn->vxlan_usecnt, 0, sizeof(nn->vxlan_usecnt));
- udp_tunnel_get_rx_info(nn->netdev);
+ udp_tunnel_get_rx_info(nn->dp.netdev);
}
return err;
{
unsigned int r;
- for (r = 0; r < nn->num_r_vecs; r++) {
+ for (r = 0; r < nn->dp.num_r_vecs; r++) {
napi_enable(&nn->r_vecs[r].napi);
enable_irq(nn->r_vecs[r].irq_vector);
}
- netif_tx_wake_all_queues(nn->netdev);
+ netif_tx_wake_all_queues(nn->dp.netdev);
enable_irq(nn->irq_entries[NFP_NET_IRQ_LSC_IDX].vector);
nfp_net_read_link_status(nn);
{
struct nfp_net *nn = netdev_priv(netdev);
struct nfp_net_ring_set rx = {
- .n_rings = nn->num_rx_rings,
- .mtu = nn->netdev->mtu,
- .dcnt = nn->rxd_cnt,
+ .n_rings = nn->dp.num_rx_rings,
+ .mtu = nn->dp.netdev->mtu,
+ .dcnt = nn->dp.rxd_cnt,
};
struct nfp_net_ring_set tx = {
- .n_rings = nn->num_tx_rings,
- .dcnt = nn->txd_cnt,
+ .n_rings = nn->dp.num_tx_rings,
+ .dcnt = nn->dp.txd_cnt,
};
int err, r;
- if (nn->ctrl & NFP_NET_CFG_CTRL_ENABLE) {
- nn_err(nn, "Dev is already enabled: 0x%08x\n", nn->ctrl);
+ if (nn->dp.ctrl & NFP_NET_CFG_CTRL_ENABLE) {
+ nn_err(nn, "Dev is already enabled: 0x%08x\n", nn->dp.ctrl);
return -EBUSY;
}
goto err_free_exn;
disable_irq(nn->irq_entries[NFP_NET_IRQ_LSC_IDX].vector);
- for (r = 0; r < nn->num_r_vecs; r++) {
+ for (r = 0; r < nn->dp.num_r_vecs; r++) {
err = nfp_net_prepare_vector(nn, &nn->r_vecs[r], r);
if (err)
goto err_cleanup_vec_p;
}
- nn->rx_rings = nfp_net_rx_ring_set_prepare(nn, &rx, nn->xdp_prog);
- if (!nn->rx_rings) {
+ nn->dp.rx_rings = nfp_net_rx_ring_set_prepare(nn, &rx, nn->dp.xdp_prog);
+ if (!nn->dp.rx_rings) {
err = -ENOMEM;
goto err_cleanup_vec;
}
- nn->tx_rings = nfp_net_tx_ring_set_prepare(nn, &tx,
- nn->num_stack_tx_rings);
- if (!nn->tx_rings) {
+ nn->dp.tx_rings = nfp_net_tx_ring_set_prepare(nn, &tx,
+ nn->dp.num_stack_tx_rings);
+ if (!nn->dp.tx_rings) {
err = -ENOMEM;
goto err_free_rx_rings;
}
for (r = 0; r < nn->max_r_vecs; r++)
- nfp_net_vector_assign_rings(nn, &nn->r_vecs[r], r);
+ nfp_net_vector_assign_rings(&nn->dp, &nn->r_vecs[r], r);
- err = netif_set_real_num_tx_queues(netdev, nn->num_stack_tx_rings);
+ err = netif_set_real_num_tx_queues(netdev, nn->dp.num_stack_tx_rings);
if (err)
goto err_free_rings;
- err = netif_set_real_num_rx_queues(netdev, nn->num_rx_rings);
+ err = netif_set_real_num_rx_queues(netdev, nn->dp.num_rx_rings);
if (err)
goto err_free_rings;
return 0;
err_free_rings:
- nfp_net_tx_ring_set_free(nn, &tx);
+ nfp_net_tx_ring_set_free(&tx);
err_free_rx_rings:
- nfp_net_rx_ring_set_free(nn, &rx, nn->xdp_prog);
+ nfp_net_rx_ring_set_free(&nn->dp, &rx, nn->dp.xdp_prog);
err_cleanup_vec:
- r = nn->num_r_vecs;
+ r = nn->dp.num_r_vecs;
err_cleanup_vec_p:
while (r--)
nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
unsigned int r;
disable_irq(nn->irq_entries[NFP_NET_IRQ_LSC_IDX].vector);
- netif_carrier_off(nn->netdev);
+ netif_carrier_off(nn->dp.netdev);
nn->link_up = false;
- for (r = 0; r < nn->num_r_vecs; r++) {
+ for (r = 0; r < nn->dp.num_r_vecs; r++) {
disable_irq(nn->r_vecs[r].irq_vector);
napi_disable(&nn->r_vecs[r].napi);
}
- netif_tx_disable(nn->netdev);
+ netif_tx_disable(nn->dp.netdev);
}
/**
{
unsigned int r;
- for (r = 0; r < nn->num_rx_rings; r++) {
- nfp_net_rx_ring_bufs_free(nn, &nn->rx_rings[r], nn->xdp_prog);
- nfp_net_rx_ring_free(&nn->rx_rings[r]);
+ for (r = 0; r < nn->dp.num_rx_rings; r++) {
+ nfp_net_rx_ring_bufs_free(&nn->dp, &nn->dp.rx_rings[r],
+ nn->dp.xdp_prog);
+ nfp_net_rx_ring_free(&nn->dp.rx_rings[r]);
}
- for (r = 0; r < nn->num_tx_rings; r++)
- nfp_net_tx_ring_free(&nn->tx_rings[r]);
- for (r = 0; r < nn->num_r_vecs; r++)
+ for (r = 0; r < nn->dp.num_tx_rings; r++)
+ nfp_net_tx_ring_free(&nn->dp.tx_rings[r]);
+ for (r = 0; r < nn->dp.num_r_vecs; r++)
nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
- kfree(nn->rx_rings);
- kfree(nn->tx_rings);
+ kfree(nn->dp.rx_rings);
+ kfree(nn->dp.tx_rings);
nfp_net_aux_irq_free(nn, NFP_NET_CFG_LSC, NFP_NET_IRQ_LSC_IDX);
nfp_net_aux_irq_free(nn, NFP_NET_CFG_EXN, NFP_NET_IRQ_EXN_IDX);
{
struct nfp_net *nn = netdev_priv(netdev);
- if (!(nn->ctrl & NFP_NET_CFG_CTRL_ENABLE)) {
- nn_err(nn, "Dev is not up: 0x%08x\n", nn->ctrl);
+ if (!(nn->dp.ctrl & NFP_NET_CFG_CTRL_ENABLE)) {
+ nn_err(nn, "Dev is not up: 0x%08x\n", nn->dp.ctrl);
return 0;
}
struct nfp_net *nn = netdev_priv(netdev);
u32 new_ctrl;
- new_ctrl = nn->ctrl;
+ new_ctrl = nn->dp.ctrl;
if (netdev->flags & IFF_PROMISC) {
if (nn->cap & NFP_NET_CFG_CTRL_PROMISC)
new_ctrl &= ~NFP_NET_CFG_CTRL_PROMISC;
}
- if (new_ctrl == nn->ctrl)
+ if (new_ctrl == nn->dp.ctrl)
return;
nn_writel(nn, NFP_NET_CFG_CTRL, new_ctrl);
nfp_net_reconfig_post(nn, NFP_NET_CFG_UPDATE_GEN);
- nn->ctrl = new_ctrl;
+ nn->dp.ctrl = new_ctrl;
}
static void nfp_net_rss_init_itbl(struct nfp_net *nn)
for (i = 0; i < sizeof(nn->rss_itbl); i++)
nn->rss_itbl[i] =
- ethtool_rxfh_indir_default(i, nn->num_rx_rings);
+ ethtool_rxfh_indir_default(i, nn->dp.num_rx_rings);
}
static int
if (tx)
nfp_net_tx_ring_set_swap(nn, tx);
- swap(*num_vecs, nn->num_r_vecs);
- swap(*stack_tx_rings, nn->num_stack_tx_rings);
- *xdp_prog = xchg(&nn->xdp_prog, *xdp_prog);
+ swap(*num_vecs, nn->dp.num_r_vecs);
+ swap(*stack_tx_rings, nn->dp.num_stack_tx_rings);
+ *xdp_prog = xchg(&nn->dp.xdp_prog, *xdp_prog);
for (r = 0; r < nn->max_r_vecs; r++)
- nfp_net_vector_assign_rings(nn, &nn->r_vecs[r], r);
+ nfp_net_vector_assign_rings(&nn->dp, &nn->r_vecs[r], r);
- if (!netif_is_rxfh_configured(nn->netdev))
+ if (!netif_is_rxfh_configured(nn->dp.netdev))
nfp_net_rss_init_itbl(nn);
- err = netif_set_real_num_rx_queues(nn->netdev,
- nn->num_rx_rings);
+ err = netif_set_real_num_rx_queues(nn->dp.netdev, nn->dp.num_rx_rings);
if (err)
return err;
- if (nn->netdev->real_num_tx_queues != nn->num_stack_tx_rings) {
- err = netif_set_real_num_tx_queues(nn->netdev,
- nn->num_stack_tx_rings);
+ if (nn->dp.netdev->real_num_tx_queues != nn->dp.num_stack_tx_rings) {
+ err = netif_set_real_num_tx_queues(nn->dp.netdev,
+ nn->dp.num_stack_tx_rings);
if (err)
return err;
}
/* XDP-enabled tests */
if (!xdp_prog)
return 0;
- if (rx && nfp_net_calc_fl_bufsz(nn, rx->mtu) > PAGE_SIZE) {
+ if (rx && nfp_net_calc_fl_bufsz(&nn->dp, rx->mtu) > PAGE_SIZE) {
nn_warn(nn, "MTU too large w/ XDP enabled\n");
return -EINVAL;
}
struct nfp_net_ring_set *tx,
unsigned int stack_tx_rings, unsigned int num_vecs)
{
- nn->netdev->mtu = rx ? rx->mtu : nn->netdev->mtu;
- nn->fl_bufsz = nfp_net_calc_fl_bufsz(nn, nn->netdev->mtu);
- nn->rxd_cnt = rx ? rx->dcnt : nn->rxd_cnt;
- nn->txd_cnt = tx ? tx->dcnt : nn->txd_cnt;
- nn->num_rx_rings = rx ? rx->n_rings : nn->num_rx_rings;
- nn->num_tx_rings = tx ? tx->n_rings : nn->num_tx_rings;
- nn->num_stack_tx_rings = stack_tx_rings;
- nn->num_r_vecs = num_vecs;
- *xdp_prog = xchg(&nn->xdp_prog, *xdp_prog);
-
- if (!netif_is_rxfh_configured(nn->netdev))
+ nn->dp.netdev->mtu = rx ? rx->mtu : nn->dp.netdev->mtu;
+ nn->dp.fl_bufsz = nfp_net_calc_fl_bufsz(&nn->dp, nn->dp.netdev->mtu);
+ nn->dp.rxd_cnt = rx ? rx->dcnt : nn->dp.rxd_cnt;
+ nn->dp.txd_cnt = tx ? tx->dcnt : nn->dp.txd_cnt;
+ nn->dp.num_rx_rings = rx ? rx->n_rings : nn->dp.num_rx_rings;
+ nn->dp.num_tx_rings = tx ? tx->n_rings : nn->dp.num_tx_rings;
+ nn->dp.num_stack_tx_rings = stack_tx_rings;
+ nn->dp.num_r_vecs = num_vecs;
+ *xdp_prog = xchg(&nn->dp.xdp_prog, *xdp_prog);
+
+ if (!netif_is_rxfh_configured(nn->dp.netdev))
nfp_net_rss_init_itbl(nn);
}
unsigned int stack_tx_rings, num_vecs, r;
int err;
- stack_tx_rings = tx ? tx->n_rings : nn->num_tx_rings;
+ stack_tx_rings = tx ? tx->n_rings : nn->dp.num_tx_rings;
if (*xdp_prog)
- stack_tx_rings -= rx ? rx->n_rings : nn->num_rx_rings;
+ stack_tx_rings -= rx ? rx->n_rings : nn->dp.num_rx_rings;
- num_vecs = max(rx ? rx->n_rings : nn->num_rx_rings, stack_tx_rings);
+ num_vecs = max(rx ? rx->n_rings : nn->dp.num_rx_rings, stack_tx_rings);
err = nfp_net_check_config(nn, *xdp_prog, rx, tx);
if (err)
return err;
- if (!netif_running(nn->netdev)) {
+ if (!netif_running(nn->dp.netdev)) {
nfp_net_ring_reconfig_down(nn, xdp_prog, rx, tx,
stack_tx_rings, num_vecs);
return 0;
}
/* Prepare new rings */
- for (r = nn->num_r_vecs; r < num_vecs; r++) {
+ for (r = nn->dp.num_r_vecs; r < num_vecs; r++) {
err = nfp_net_prepare_vector(nn, &nn->r_vecs[r], r);
if (err) {
num_vecs = r;
nn_err(nn, "Can't restore ring config - FW communication failed (%d,%d)\n",
err, err2);
}
- for (r = num_vecs - 1; r >= nn->num_r_vecs; r--)
+ for (r = num_vecs - 1; r >= nn->dp.num_r_vecs; r--)
nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
if (rx)
- nfp_net_rx_ring_set_free(nn, rx, *xdp_prog);
+ nfp_net_rx_ring_set_free(&nn->dp, rx, *xdp_prog);
if (tx)
- nfp_net_tx_ring_set_free(nn, tx);
+ nfp_net_tx_ring_set_free(tx);
nfp_net_open_stack(nn);
err_free_rx:
if (rx)
- nfp_net_rx_ring_set_free(nn, rx, *xdp_prog);
+ nfp_net_rx_ring_set_free(&nn->dp, rx, *xdp_prog);
err_cleanup_vecs:
- for (r = num_vecs - 1; r >= nn->num_r_vecs; r--)
+ for (r = num_vecs - 1; r >= nn->dp.num_r_vecs; r--)
nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
return err;
}
{
struct nfp_net *nn = netdev_priv(netdev);
struct nfp_net_ring_set rx = {
- .n_rings = nn->num_rx_rings,
+ .n_rings = nn->dp.num_rx_rings,
.mtu = new_mtu,
- .dcnt = nn->rxd_cnt,
+ .dcnt = nn->dp.rxd_cnt,
};
- return nfp_net_ring_reconfig(nn, &nn->xdp_prog, &rx, NULL);
+ return nfp_net_ring_reconfig(nn, &nn->dp.xdp_prog, &rx, NULL);
}
static void nfp_net_stat64(struct net_device *netdev,
struct nfp_net *nn = netdev_priv(netdev);
int r;
- for (r = 0; r < nn->num_r_vecs; r++) {
+ for (r = 0; r < nn->dp.num_r_vecs; r++) {
struct nfp_net_r_vector *r_vec = &nn->r_vecs[r];
u64 data[3];
unsigned int start;
return -ENOTSUPP;
if (tc->type == TC_SETUP_CLSBPF && nfp_net_ebpf_capable(nn)) {
- if (!nn->bpf_offload_xdp)
+ if (!nn->dp.bpf_offload_xdp)
return nfp_net_bpf_offload(nn, tc->cls_bpf);
else
return -EBUSY;
/* Assume this is not called with features we have not advertised */
- new_ctrl = nn->ctrl;
+ new_ctrl = nn->dp.ctrl;
if (changed & NETIF_F_RXCSUM) {
if (features & NETIF_F_RXCSUM)
new_ctrl &= ~NFP_NET_CFG_CTRL_GATHER;
}
- if (changed & NETIF_F_HW_TC && nn->ctrl & NFP_NET_CFG_CTRL_BPF) {
+ if (changed & NETIF_F_HW_TC && nn->dp.ctrl & NFP_NET_CFG_CTRL_BPF) {
nn_err(nn, "Cannot disable HW TC offload while in use\n");
return -EBUSY;
}
nn_dbg(nn, "Feature change 0x%llx -> 0x%llx (changed=0x%llx)\n",
netdev->features, features, changed);
- if (new_ctrl == nn->ctrl)
+ if (new_ctrl == nn->dp.ctrl)
return 0;
- nn_dbg(nn, "NIC ctrl: 0x%x -> 0x%x\n", nn->ctrl, new_ctrl);
+ nn_dbg(nn, "NIC ctrl: 0x%x -> 0x%x\n", nn->dp.ctrl, new_ctrl);
nn_writel(nn, NFP_NET_CFG_CTRL, new_ctrl);
err = nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_GEN);
if (err)
return err;
- nn->ctrl = new_ctrl;
+ nn->dp.ctrl = new_ctrl;
return 0;
}
nn->vxlan_ports[idx] = port;
- if (!(nn->ctrl & NFP_NET_CFG_CTRL_VXLAN))
+ if (!(nn->dp.ctrl & NFP_NET_CFG_CTRL_VXLAN))
return;
BUILD_BUG_ON(NFP_NET_N_VXLAN_PORTS & 1);
if (!nfp_net_ebpf_capable(nn))
return -EINVAL;
- if (nn->ctrl & NFP_NET_CFG_CTRL_BPF) {
- if (!nn->bpf_offload_xdp)
+ if (nn->dp.ctrl & NFP_NET_CFG_CTRL_BPF) {
+ if (!nn->dp.bpf_offload_xdp)
return prog ? -EBUSY : 0;
cmd.command = prog ? TC_CLSBPF_REPLACE : TC_CLSBPF_DESTROY;
} else {
/* Stop offload if replace not possible */
if (ret && cmd.command == TC_CLSBPF_REPLACE)
nfp_net_xdp_offload(nn, NULL);
- nn->bpf_offload_xdp = prog && !ret;
+ nn->dp.bpf_offload_xdp = prog && !ret;
return ret;
}
static int nfp_net_xdp_setup(struct nfp_net *nn, struct bpf_prog *prog)
{
struct nfp_net_ring_set rx = {
- .n_rings = nn->num_rx_rings,
- .mtu = nn->netdev->mtu,
- .dcnt = nn->rxd_cnt,
+ .n_rings = nn->dp.num_rx_rings,
+ .mtu = nn->dp.netdev->mtu,
+ .dcnt = nn->dp.rxd_cnt,
};
struct nfp_net_ring_set tx = {
- .n_rings = nn->num_tx_rings,
- .dcnt = nn->txd_cnt,
+ .n_rings = nn->dp.num_tx_rings,
+ .dcnt = nn->dp.txd_cnt,
};
int err;
nn_err(nn, "Does not support bpf_xdp_adjust_head()\n");
return -EOPNOTSUPP;
}
- if (!prog && !nn->xdp_prog)
+ if (!prog && !nn->dp.xdp_prog)
return 0;
- if (prog && nn->xdp_prog) {
- prog = xchg(&nn->xdp_prog, prog);
+ if (prog && nn->dp.xdp_prog) {
+ prog = xchg(&nn->dp.xdp_prog, prog);
bpf_prog_put(prog);
- nfp_net_xdp_offload(nn, nn->xdp_prog);
+ nfp_net_xdp_offload(nn, nn->dp.xdp_prog);
return 0;
}
- tx.n_rings += prog ? nn->num_rx_rings : -nn->num_rx_rings;
+ tx.n_rings += prog ? nn->dp.num_rx_rings : -nn->dp.num_rx_rings;
/* We need RX reconfig to remap the buffers (BIDIR vs FROM_DEV) */
err = nfp_net_ring_reconfig(nn, &prog, &rx, &tx);
if (prog)
bpf_prog_put(prog);
- nfp_net_xdp_offload(nn, nn->xdp_prog);
+ nfp_net_xdp_offload(nn, nn->dp.xdp_prog);
return 0;
}
case XDP_SETUP_PROG:
return nfp_net_xdp_setup(nn, xdp->prog);
case XDP_QUERY_PROG:
- xdp->prog_attached = !!nn->xdp_prog;
+ xdp->prog_attached = !!nn->dp.xdp_prog;
return 0;
default:
return -EINVAL;
void nfp_net_info(struct nfp_net *nn)
{
nn_info(nn, "Netronome NFP-6xxx %sNetdev: TxQs=%d/%d RxQs=%d/%d\n",
- nn->is_vf ? "VF " : "",
- nn->num_tx_rings, nn->max_tx_rings,
- nn->num_rx_rings, nn->max_rx_rings);
+ nn->dp.is_vf ? "VF " : "",
+ nn->dp.num_tx_rings, nn->max_tx_rings,
+ nn->dp.num_rx_rings, nn->max_rx_rings);
nn_info(nn, "VER: %d.%d.%d.%d, Maximum supported MTU: %d\n",
nn->fw_ver.resv, nn->fw_ver.class,
nn->fw_ver.major, nn->fw_ver.minor,
SET_NETDEV_DEV(netdev, &pdev->dev);
nn = netdev_priv(netdev);
- nn->netdev = netdev;
- nn->dev = &pdev->dev;
+ nn->dp.netdev = netdev;
+ nn->dp.dev = &pdev->dev;
nn->pdev = pdev;
nn->max_tx_rings = max_tx_rings;
nn->max_rx_rings = max_rx_rings;
- nn->num_tx_rings = min_t(unsigned int, max_tx_rings, num_online_cpus());
- nn->num_rx_rings = min_t(unsigned int, max_rx_rings,
+ nn->dp.num_tx_rings = min_t(unsigned int,
+ max_tx_rings, num_online_cpus());
+ nn->dp.num_rx_rings = min_t(unsigned int, max_rx_rings,
netif_get_num_default_rss_queues());
- nn->num_r_vecs = max(nn->num_tx_rings, nn->num_rx_rings);
- nn->num_r_vecs = min_t(unsigned int, nn->num_r_vecs, num_online_cpus());
+ nn->dp.num_r_vecs = max(nn->dp.num_tx_rings, nn->dp.num_rx_rings);
+ nn->dp.num_r_vecs = min_t(unsigned int,
+ nn->dp.num_r_vecs, num_online_cpus());
- nn->txd_cnt = NFP_NET_TX_DESCS_DEFAULT;
- nn->rxd_cnt = NFP_NET_RX_DESCS_DEFAULT;
+ nn->dp.txd_cnt = NFP_NET_TX_DESCS_DEFAULT;
+ nn->dp.rxd_cnt = NFP_NET_RX_DESCS_DEFAULT;
spin_lock_init(&nn->reconfig_lock);
spin_lock_init(&nn->rx_filter_lock);
*/
void nfp_net_netdev_free(struct nfp_net *nn)
{
- free_netdev(nn->netdev);
+ free_netdev(nn->dp.netdev);
}
/**
func_bit = find_first_bit(&rss_cap_hfunc, NFP_NET_CFG_RSS_HFUNCS);
if (func_bit == NFP_NET_CFG_RSS_HFUNCS) {
- dev_warn(nn->dev,
+ dev_warn(nn->dp.dev,
"Bad RSS config, defaulting to Toeplitz hash\n");
func_bit = ETH_RSS_HASH_TOP_BIT;
}
struct nfp_net *nn = netdev_priv(netdev);
int err;
- nn->chained_metadata_format = nn->fw_ver.major > 3;
+ nn->dp.chained_metadata_format = nn->fw_ver.major > 3;
/* Get some of the read-only fields from the BAR */
nn->cap = nn_readl(nn, NFP_NET_CFG_CAP);
/* Determine RX packet/metadata boundary offset */
if (nn->fw_ver.major >= 2)
- nn->rx_offset = nn_readl(nn, NFP_NET_CFG_RX_OFFSET);
+ nn->dp.rx_offset = nn_readl(nn, NFP_NET_CFG_RX_OFFSET);
else
- nn->rx_offset = NFP_NET_RX_OFFSET;
+ nn->dp.rx_offset = NFP_NET_RX_OFFSET;
/* Set default MTU and Freelist buffer size */
if (nn->max_mtu < NFP_NET_DEFAULT_MTU)
netdev->mtu = nn->max_mtu;
else
netdev->mtu = NFP_NET_DEFAULT_MTU;
- nn->fl_bufsz = nfp_net_calc_fl_bufsz(nn, netdev->mtu);
+ nn->dp.fl_bufsz = nfp_net_calc_fl_bufsz(&nn->dp, netdev->mtu);
/* Advertise/enable offloads based on capabilities
*
netdev->hw_features = NETIF_F_HIGHDMA;
if (nn->cap & NFP_NET_CFG_CTRL_RXCSUM) {
netdev->hw_features |= NETIF_F_RXCSUM;
- nn->ctrl |= NFP_NET_CFG_CTRL_RXCSUM;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_RXCSUM;
}
if (nn->cap & NFP_NET_CFG_CTRL_TXCSUM) {
netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
- nn->ctrl |= NFP_NET_CFG_CTRL_TXCSUM;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_TXCSUM;
}
if (nn->cap & NFP_NET_CFG_CTRL_GATHER) {
netdev->hw_features |= NETIF_F_SG;
- nn->ctrl |= NFP_NET_CFG_CTRL_GATHER;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_GATHER;
}
if ((nn->cap & NFP_NET_CFG_CTRL_LSO) && nn->fw_ver.major > 2) {
netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
- nn->ctrl |= NFP_NET_CFG_CTRL_LSO;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_LSO;
}
if (nn->cap & NFP_NET_CFG_CTRL_RSS) {
netdev->hw_features |= NETIF_F_RXHASH;
nfp_net_rss_init(nn);
- nn->ctrl |= NFP_NET_CFG_CTRL_RSS;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_RSS;
}
if (nn->cap & NFP_NET_CFG_CTRL_VXLAN &&
nn->cap & NFP_NET_CFG_CTRL_NVGRE) {
if (nn->cap & NFP_NET_CFG_CTRL_LSO)
netdev->hw_features |= NETIF_F_GSO_GRE |
NETIF_F_GSO_UDP_TUNNEL;
- nn->ctrl |= NFP_NET_CFG_CTRL_VXLAN | NFP_NET_CFG_CTRL_NVGRE;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_VXLAN | NFP_NET_CFG_CTRL_NVGRE;
netdev->hw_enc_features = netdev->hw_features;
}
if (nn->cap & NFP_NET_CFG_CTRL_RXVLAN) {
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
- nn->ctrl |= NFP_NET_CFG_CTRL_RXVLAN;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_RXVLAN;
}
if (nn->cap & NFP_NET_CFG_CTRL_TXVLAN) {
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
- nn->ctrl |= NFP_NET_CFG_CTRL_TXVLAN;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_TXVLAN;
}
netdev->features = netdev->hw_features;
/* Allow L2 Broadcast and Multicast through by default, if supported */
if (nn->cap & NFP_NET_CFG_CTRL_L2BC)
- nn->ctrl |= NFP_NET_CFG_CTRL_L2BC;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_L2BC;
if (nn->cap & NFP_NET_CFG_CTRL_L2MC)
- nn->ctrl |= NFP_NET_CFG_CTRL_L2MC;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_L2MC;
/* Allow IRQ moderation, if supported */
if (nn->cap & NFP_NET_CFG_CTRL_IRQMOD) {
nfp_net_irqmod_init(nn);
- nn->ctrl |= NFP_NET_CFG_CTRL_IRQMOD;
+ nn->dp.ctrl |= NFP_NET_CFG_CTRL_IRQMOD;
}
/* Stash the re-configuration queue away. First odd queue in TX Bar */
{
struct nfp_net *nn = netdev_priv(netdev);
- if (nn->xdp_prog)
- bpf_prog_put(nn->xdp_prog);
- if (nn->bpf_offload_xdp)
+ if (nn->dp.xdp_prog)
+ bpf_prog_put(nn->dp.xdp_prog);
+ if (nn->dp.bpf_offload_xdp)
nfp_net_xdp_offload(nn, NULL);
- unregister_netdev(nn->netdev);
+ unregister_netdev(nn->dp.netdev);
}
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff