Change XDP program management functional interface to correspond to new
XDP API.

Signed-off-by: Tom Herbert <t...@herbertland.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net.h       |   5 +-
 .../net/ethernet/netronome/nfp/nfp_net_common.c    | 172 ++++++++++-----------
 .../net/ethernet/netronome/nfp/nfp_net_ethtool.c   |  12 +-
 3 files changed, 87 insertions(+), 102 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h 
b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index 2115f44..09a315e 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -504,14 +504,13 @@ struct nfp_net {
        unsigned fw_loaded:1;
        unsigned bpf_offload_skip_sw:1;
        unsigned bpf_offload_xdp:1;
+       unsigned xdp_enabled:1;
 
        u32 ctrl;
        u32 fl_bufsz;
 
        u32 rx_offset;
 
-       struct bpf_prog *xdp_prog;
-
        struct nfp_net_tx_ring *tx_rings;
        struct nfp_net_rx_ring *rx_rings;
 
@@ -792,7 +791,7 @@ void nfp_net_coalesce_write_cfg(struct nfp_net *nn);
 int nfp_net_irqs_alloc(struct nfp_net *nn);
 void nfp_net_irqs_disable(struct nfp_net *nn);
 int
-nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog **xdp_prog,
+nfp_net_ring_reconfig(struct nfp_net *nn,
                      struct nfp_net_ring_set *rx, struct nfp_net_ring_set *tx);
 
 #ifdef CONFIG_NFP_NET_DEBUG
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c 
b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 6ac43ab..2dee867 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -65,6 +65,7 @@
 
 #include <net/pkt_cls.h>
 #include <net/vxlan.h>
+#include <net/xdp.h>
 
 #include "nfp_net_ctrl.h"
 #include "nfp_net.h"
@@ -1166,10 +1167,10 @@ nfp_net_napi_alloc_one(struct nfp_net *nn, int 
direction, dma_addr_t *dma_addr)
 {
        void *frag;
 
-       if (!nn->xdp_prog)
-               frag = napi_alloc_frag(nn->fl_bufsz);
-       else
+       if (nn->xdp_enabled)
                frag = page_address(alloc_page(GFP_ATOMIC | __GFP_COLD));
+       else
+               frag = napi_alloc_frag(nn->fl_bufsz);
        if (!frag) {
                nn_warn_ratelimit(nn, "Failed to alloc receive page frag\n");
                return NULL;
@@ -1177,7 +1178,7 @@ nfp_net_napi_alloc_one(struct nfp_net *nn, int direction, 
dma_addr_t *dma_addr)
 
        *dma_addr = nfp_net_dma_map_rx(nn, frag, nn->fl_bufsz, direction);
        if (dma_mapping_error(&nn->pdev->dev, *dma_addr)) {
-               nfp_net_free_frag(frag, nn->xdp_prog);
+               nfp_net_free_frag(frag, nn->xdp_enabled);
                nn_warn_ratelimit(nn, "Failed to map DMA RX buffer\n");
                return NULL;
        }
@@ -1248,17 +1249,15 @@ static void nfp_net_rx_ring_reset(struct 
nfp_net_rx_ring *rx_ring)
  * nfp_net_rx_ring_bufs_free() - Free any buffers currently on the RX ring
  * @nn:                NFP Net device
  * @rx_ring:   RX ring to remove buffers from
- * @xdp:       Whether XDP is enabled
  *
  * Assumes that the device is stopped and buffers are in [0, ring->cnt - 1)
  * entries.  After device is disabled nfp_net_rx_ring_reset() must be called
  * 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 *nn, struct nfp_net_rx_ring *rx_ring)
 {
-       int direction = xdp ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
+       int direction = nn->xdp_enabled ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
        unsigned int i;
 
        for (i = 0; i < rx_ring->cnt - 1; i++) {
@@ -1271,7 +1270,7 @@ nfp_net_rx_ring_bufs_free(struct nfp_net *nn, struct 
nfp_net_rx_ring *rx_ring,
 
                nfp_net_dma_unmap_rx(nn, rx_ring->rxbufs[i].dma_addr,
                                     rx_ring->bufsz, direction);
-               nfp_net_free_frag(rx_ring->rxbufs[i].frag, xdp);
+               nfp_net_free_frag(rx_ring->rxbufs[i].frag, nn->xdp_enabled);
                rx_ring->rxbufs[i].dma_addr = 0;
                rx_ring->rxbufs[i].frag = NULL;
        }
@@ -1284,8 +1283,7 @@ nfp_net_rx_ring_bufs_free(struct nfp_net *nn, struct 
nfp_net_rx_ring *rx_ring,
  * @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 *nn, struct nfp_net_rx_ring *rx_ring)
 {
        struct nfp_net_rx_buf *rxbufs;
        unsigned int i;
@@ -1295,9 +1293,9 @@ nfp_net_rx_ring_bufs_alloc(struct nfp_net *nn, struct 
nfp_net_rx_ring *rx_ring,
        for (i = 0; i < rx_ring->cnt - 1; i++) {
                rxbufs[i].frag =
                        nfp_net_rx_alloc_one(rx_ring, &rxbufs[i].dma_addr,
-                                            rx_ring->bufsz, xdp);
+                                            rx_ring->bufsz, nn->xdp_enabled);
                if (!rxbufs[i].frag) {
-                       nfp_net_rx_ring_bufs_free(nn, rx_ring, xdp);
+                       nfp_net_rx_ring_bufs_free(nn, rx_ring);
                        return -ENOMEM;
                }
        }
@@ -1513,16 +1511,6 @@ nfp_net_tx_xdp_buf(struct nfp_net *nn, struct 
nfp_net_rx_ring *rx_ring,
        return true;
 }
 
-static int nfp_net_run_xdp(struct bpf_prog *prog, void *data, unsigned int len)
-{
-       struct xdp_buff xdp;
-
-       xdp.data = data;
-       xdp.data_end = data + len;
-
-       return bpf_prog_run_xdp(prog, &xdp);
-}
-
 /**
  * nfp_net_rx() - receive up to @budget packets on @rx_ring
  * @rx_ring:   RX ring to receive from
@@ -1539,19 +1527,20 @@ 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_tx_ring *tx_ring;
-       struct bpf_prog *xdp_prog;
        unsigned int true_bufsz;
        struct sk_buff *skb;
+       bool run_xdp;
        int pkts_polled = 0;
        int rx_dma_map_dir;
        int idx;
 
        rcu_read_lock();
-       xdp_prog = READ_ONCE(nn->xdp_prog);
-       rx_dma_map_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
-       true_bufsz = xdp_prog ? PAGE_SIZE : nn->fl_bufsz;
+       rx_dma_map_dir = nn->xdp_enabled ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
+       true_bufsz = nn->xdp_enabled ? PAGE_SIZE : nn->fl_bufsz;
        tx_ring = r_vec->xdp_ring;
 
+       run_xdp = xdp_hook_run_needed_check(nn->netdev, &r_vec->napi);
+
        while (pkts_polled < budget) {
                unsigned int meta_len, data_len, data_off, pkt_len, pkt_off;
                struct nfp_net_rx_buf *rxbuf;
@@ -1602,15 +1591,21 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, 
int budget)
                r_vec->rx_bytes += pkt_len;
                u64_stats_update_end(&r_vec->rx_sync);
 
-               if (xdp_prog && !(rxd->rxd.flags & PCIE_DESC_RX_BPF &&
-                                 nn->bpf_offload_xdp)) {
+               if (run_xdp && !(rxd->rxd.flags & PCIE_DESC_RX_BPF &&
+                                nn->bpf_offload_xdp)) {
                        int act;
+                       struct xdp_buff xdp;
+                       struct xdp_hook *last_hook;
 
                        dma_sync_single_for_cpu(&nn->pdev->dev,
                                                rxbuf->dma_addr + pkt_off,
                                                pkt_len, DMA_FROM_DEVICE);
-                       act = nfp_net_run_xdp(xdp_prog, rxbuf->frag + data_off,
-                                             pkt_len);
+
+                       xdp.data = rxbuf->frag + data_off;
+                       xdp.data_end = xdp.data + pkt_len;
+
+                       act = xdp_hook_run_ret_last(&r_vec->napi, &xdp,
+                                                   &last_hook);
                        switch (act) {
                        case XDP_PASS:
                                break;
@@ -1618,12 +1613,15 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, 
int budget)
                                if (unlikely(!nfp_net_tx_xdp_buf(nn, rx_ring,
                                                                 tx_ring, rxbuf,
                                                                 pkt_off, 
pkt_len)))
-                                       trace_xdp_exception(nn->netdev, 
xdp_prog, act);
+                                       trace_xdp_hook_exception(nn->netdev,
+                                                                last_hook,
+                                                                act);
                                continue;
                        default:
-                               bpf_warn_invalid_xdp_action(act);
+                               xdp_warn_invalid_action(act);
                        case XDP_ABORTED:
-                               trace_xdp_exception(nn->netdev, xdp_prog, act);
+                               trace_xdp_hook_exception(nn->netdev, last_hook,
+                                                        act);
                        case XDP_DROP:
                                nfp_net_rx_give_one(rx_ring, rxbuf->frag,
                                                    rxbuf->dma_addr);
@@ -1676,7 +1674,7 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, 
int budget)
                napi_gro_receive(&rx_ring->r_vec->napi, skb);
        }
 
-       if (xdp_prog && tx_ring->wr_ptr_add)
+       if (run_xdp && tx_ring->wr_ptr_add)
                nfp_net_tx_xmit_more_flush(tx_ring);
        rcu_read_unlock();
 
@@ -1907,8 +1905,7 @@ nfp_net_rx_ring_alloc(struct nfp_net_rx_ring *rx_ring, 
unsigned int fl_bufsz,
 }
 
 static struct nfp_net_rx_ring *
-nfp_net_rx_ring_set_prepare(struct nfp_net *nn, struct nfp_net_ring_set *s,
-                           bool xdp)
+nfp_net_rx_ring_set_prepare(struct nfp_net *nn, struct nfp_net_ring_set *s)
 {
        unsigned int fl_bufsz = nfp_net_calc_fl_bufsz(nn, s->mtu);
        struct nfp_net_rx_ring *rings;
@@ -1924,7 +1921,7 @@ nfp_net_rx_ring_set_prepare(struct nfp_net *nn, struct 
nfp_net_ring_set *s,
                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, &rings[r]))
                        goto err_free_ring;
        }
 
@@ -1932,7 +1929,7 @@ nfp_net_rx_ring_set_prepare(struct nfp_net *nn, struct 
nfp_net_ring_set *s,
 
 err_free_prev:
        while (r--) {
-               nfp_net_rx_ring_bufs_free(nn, &rings[r], xdp);
+               nfp_net_rx_ring_bufs_free(nn, &rings[r]);
 err_free_ring:
                nfp_net_rx_ring_free(&rings[r]);
        }
@@ -1958,14 +1955,13 @@ nfp_net_rx_ring_set_swap(struct nfp_net *nn, struct 
nfp_net_ring_set *s)
 }
 
 static void
-nfp_net_rx_ring_set_free(struct nfp_net *nn, struct nfp_net_ring_set *s,
-                        bool xdp)
+nfp_net_rx_ring_set_free(struct nfp_net *nn, struct nfp_net_ring_set *s)
 {
        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(nn, &rings[r]);
                nfp_net_rx_ring_free(&rings[r]);
        }
 
@@ -2302,7 +2298,7 @@ static int nfp_net_netdev_open(struct net_device *netdev)
                        goto err_cleanup_vec_p;
        }
 
-       nn->rx_rings = nfp_net_rx_ring_set_prepare(nn, &rx, nn->xdp_prog);
+       nn->rx_rings = nfp_net_rx_ring_set_prepare(nn, &rx);
        if (!nn->rx_rings) {
                err = -ENOMEM;
                goto err_cleanup_vec;
@@ -2350,7 +2346,7 @@ static int nfp_net_netdev_open(struct net_device *netdev)
 err_free_rings:
        nfp_net_tx_ring_set_free(nn, &tx);
 err_free_rx_rings:
-       nfp_net_rx_ring_set_free(nn, &rx, nn->xdp_prog);
+       nfp_net_rx_ring_set_free(nn, &rx);
 err_cleanup_vec:
        r = nn->num_r_vecs;
 err_cleanup_vec_p:
@@ -2391,7 +2387,7 @@ static void nfp_net_close_free_all(struct nfp_net *nn)
        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_bufs_free(nn, &nn->rx_rings[r]);
                nfp_net_rx_ring_free(&nn->rx_rings[r]);
        }
        for (r = 0; r < nn->num_tx_rings; r++)
@@ -2472,7 +2468,6 @@ static void nfp_net_rss_init_itbl(struct nfp_net *nn)
 static int
 nfp_net_ring_swap_enable(struct nfp_net *nn, unsigned int *num_vecs,
                         unsigned int *stack_tx_rings,
-                        struct bpf_prog **xdp_prog,
                         struct nfp_net_ring_set *rx,
                         struct nfp_net_ring_set *tx)
 {
@@ -2486,7 +2481,6 @@ nfp_net_ring_swap_enable(struct nfp_net *nn, unsigned int 
*num_vecs,
 
        swap(*num_vecs, nn->num_r_vecs);
        swap(*stack_tx_rings, nn->num_stack_tx_rings);
-       *xdp_prog = xchg(&nn->xdp_prog, *xdp_prog);
 
        for (r = 0; r < nn->max_r_vecs; r++)
                nfp_net_vector_assign_rings(nn, &nn->r_vecs[r], r);
@@ -2510,11 +2504,11 @@ nfp_net_ring_swap_enable(struct nfp_net *nn, unsigned 
int *num_vecs,
 }
 
 static int
-nfp_net_check_config(struct nfp_net *nn, struct bpf_prog *xdp_prog,
+nfp_net_check_config(struct nfp_net *nn,
                     struct nfp_net_ring_set *rx, struct nfp_net_ring_set *tx)
 {
        /* XDP-enabled tests */
-       if (!xdp_prog)
+       if (!nn->xdp_enabled)
                return 0;
        if (rx && nfp_net_calc_fl_bufsz(nn, rx->mtu) > PAGE_SIZE) {
                nn_warn(nn, "MTU too large w/ XDP enabled\n");
@@ -2529,7 +2523,7 @@ nfp_net_check_config(struct nfp_net *nn, struct bpf_prog 
*xdp_prog,
 }
 
 static void
-nfp_net_ring_reconfig_down(struct nfp_net *nn, struct bpf_prog **xdp_prog,
+nfp_net_ring_reconfig_down(struct nfp_net *nn,
                           struct nfp_net_ring_set *rx,
                           struct nfp_net_ring_set *tx,
                           unsigned int stack_tx_rings, unsigned int num_vecs)
@@ -2542,31 +2536,30 @@ nfp_net_ring_reconfig_down(struct nfp_net *nn, struct 
bpf_prog **xdp_prog,
        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))
                nfp_net_rss_init_itbl(nn);
 }
 
 int
-nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog **xdp_prog,
+nfp_net_ring_reconfig(struct nfp_net *nn,
                      struct nfp_net_ring_set *rx, struct nfp_net_ring_set *tx)
 {
        unsigned int stack_tx_rings, num_vecs, r;
        int err;
 
        stack_tx_rings = tx ? tx->n_rings : nn->num_tx_rings;
-       if (*xdp_prog)
+       if (nn->xdp_enabled)
                stack_tx_rings -= rx ? rx->n_rings : nn->num_rx_rings;
 
        num_vecs = max(rx ? rx->n_rings : nn->num_rx_rings, stack_tx_rings);
 
-       err = nfp_net_check_config(nn, *xdp_prog, rx, tx);
+       err = nfp_net_check_config(nn, rx, tx);
        if (err)
                return err;
 
        if (!netif_running(nn->netdev)) {
-               nfp_net_ring_reconfig_down(nn, xdp_prog, rx, tx,
+               nfp_net_ring_reconfig_down(nn, rx, tx,
                                           stack_tx_rings, num_vecs);
                return 0;
        }
@@ -2580,7 +2573,7 @@ nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog 
**xdp_prog,
                }
        }
        if (rx) {
-               if (!nfp_net_rx_ring_set_prepare(nn, rx, *xdp_prog)) {
+               if (!nfp_net_rx_ring_set_prepare(nn, rx)) {
                        err = -ENOMEM;
                        goto err_cleanup_vecs;
                }
@@ -2597,7 +2590,7 @@ nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog 
**xdp_prog,
        nfp_net_clear_config_and_disable(nn);
 
        err = nfp_net_ring_swap_enable(nn, &num_vecs, &stack_tx_rings,
-                                      xdp_prog, rx, tx);
+                                      rx, tx);
        if (err) {
                int err2;
 
@@ -2605,7 +2598,7 @@ nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog 
**xdp_prog,
 
                /* Try with old configuration and old rings */
                err2 = nfp_net_ring_swap_enable(nn, &num_vecs, &stack_tx_rings,
-                                               xdp_prog, rx, tx);
+                                               rx, tx);
                if (err2)
                        nn_err(nn, "Can't restore ring config - FW 
communication failed (%d,%d)\n",
                               err, err2);
@@ -2614,7 +2607,7 @@ nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog 
**xdp_prog,
                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, rx);
        if (tx)
                nfp_net_tx_ring_set_free(nn, tx);
 
@@ -2624,7 +2617,7 @@ nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog 
**xdp_prog,
 
 err_free_rx:
        if (rx)
-               nfp_net_rx_ring_set_free(nn, rx, *xdp_prog);
+               nfp_net_rx_ring_set_free(nn, rx);
 err_cleanup_vecs:
        for (r = num_vecs - 1; r >= nn->num_r_vecs; r--)
                nfp_net_cleanup_vector(nn, &nn->r_vecs[r]);
@@ -2640,7 +2633,7 @@ static int nfp_net_change_mtu(struct net_device *netdev, 
int new_mtu)
                .dcnt = nn->rxd_cnt,
        };
 
-       return nfp_net_ring_reconfig(nn, &nn->xdp_prog, &rx, NULL);
+       return nfp_net_ring_reconfig(nn, &rx, NULL);
 }
 
 static void nfp_net_stat64(struct net_device *netdev,
@@ -2936,7 +2929,17 @@ static int nfp_net_xdp_offload(struct nfp_net *nn, 
struct bpf_prog *prog)
        return ret;
 }
 
-static int nfp_net_xdp_setup(struct nfp_net *nn, struct bpf_prog *prog)
+static int nfp_xdp_check_bpf(struct nfp_net *nn, struct bpf_prog *prog)
+{
+       if (prog && prog->xdp_adjust_head) {
+               nn_err(nn, "Does not support bpf_xdp_adjust_head()\n");
+               return -EOPNOTSUPP;
+       }
+
+       return 0;
+}
+
+static int nfp_net_xdp_init(struct nfp_net *nn, bool enable)
 {
        struct nfp_net_ring_set rx = {
                .n_rings = nn->num_rx_rings,
@@ -2949,33 +2952,17 @@ static int nfp_net_xdp_setup(struct nfp_net *nn, struct 
bpf_prog *prog)
        };
        int err;
 
-       if (prog && prog->xdp_adjust_head) {
-               nn_err(nn, "Does not support bpf_xdp_adjust_head()\n");
-               return -EOPNOTSUPP;
-       }
-       if (!prog && !nn->xdp_prog)
-               return 0;
-       if (prog && nn->xdp_prog) {
-               prog = xchg(&nn->xdp_prog, prog);
-               bpf_prog_put(prog);
-               nfp_net_xdp_offload(nn, nn->xdp_prog);
+       if (nn->xdp_enabled == enable)
                return 0;
-       }
-
-       tx.n_rings += prog ? nn->num_rx_rings : -nn->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 (err)
-               return err;
+       nn->xdp_enabled = enable;
 
-       /* @prog got swapped and is now the old one */
-       if (prog)
-               bpf_prog_put(prog);
+       tx.n_rings += enable ? nn->num_rx_rings : -nn->num_rx_rings;
 
-       nfp_net_xdp_offload(nn, nn->xdp_prog);
+       /* We need RX reconfig to remap the buffers (BIDIR vs FROM_DEV) */
+       err = nfp_net_ring_reconfig(nn, &rx, &tx);
 
-       return 0;
+       return err;
 }
 
 static int nfp_net_xdp(struct net_device *netdev, struct netdev_xdp *xdp)
@@ -2983,11 +2970,14 @@ static int nfp_net_xdp(struct net_device *netdev, 
struct netdev_xdp *xdp)
        struct nfp_net *nn = netdev_priv(netdev);
 
        switch (xdp->command) {
-       case XDP_SETUP_PROG:
-               return nfp_net_xdp_setup(nn, xdp->prog);
-       case XDP_QUERY_PROG:
-               xdp->prog_attached = !!nn->xdp_prog;
-               return 0;
+       case XDP_MODE_ON:
+               return nfp_net_xdp_init(nn, true);
+       case XDP_MODE_OFF:
+               return nfp_net_xdp_init(nn, false);
+       case XDP_CHECK_BPF_PROG:
+               return nfp_xdp_check_bpf(nn, xdp->prog);
+       case XDP_OFFLOAD_BPF:
+               return nfp_net_xdp_offload(nn, xdp->prog);
        default:
                return -EINVAL;
        }
@@ -3173,7 +3163,7 @@ int nfp_net_netdev_init(struct net_device *netdev)
         * and netdev->hw_features advertises which features are
         * supported.  By default we enable most features.
         */
-       netdev->hw_features = NETIF_F_HIGHDMA;
+       netdev->hw_features = NETIF_F_HIGHDMA | NETIF_F_XDP;
        if (nn->cap & NFP_NET_CFG_CTRL_RXCSUM) {
                netdev->hw_features |= NETIF_F_RXCSUM;
                nn->ctrl |= NFP_NET_CFG_CTRL_RXCSUM;
@@ -3272,8 +3262,6 @@ void nfp_net_netdev_clean(struct net_device *netdev)
 {
        struct nfp_net *nn = netdev_priv(netdev);
 
-       if (nn->xdp_prog)
-               bpf_prog_put(nn->xdp_prog);
        if (nn->bpf_offload_xdp)
                nfp_net_xdp_offload(nn, NULL);
        unregister_netdev(nn->netdev);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c 
b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
index 1b26e96..ca3ddd5 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -176,8 +176,7 @@ static int nfp_net_set_ring_size(struct nfp_net *nn, u32 
rxd_cnt, u32 txd_cnt)
        if (nn->txd_cnt != txd_cnt)
                reconfig_tx = &tx;
 
-       return nfp_net_ring_reconfig(nn, &nn->xdp_prog,
-                                    reconfig_rx, reconfig_tx);
+       return nfp_net_ring_reconfig(nn, reconfig_rx, reconfig_tx);
 }
 
 static int nfp_net_set_ringparam(struct net_device *netdev,
@@ -643,7 +642,7 @@ static void nfp_net_get_channels(struct net_device *netdev,
        unsigned int num_tx_rings;
 
        num_tx_rings = nn->num_tx_rings;
-       if (nn->xdp_prog)
+       if (nn->xdp_enabled)
                num_tx_rings -= nn->num_rx_rings;
 
        channel->max_rx = min(nn->max_rx_rings, nn->max_r_vecs);
@@ -673,15 +672,14 @@ static int nfp_net_set_num_rings(struct nfp_net *nn, 
unsigned int total_rx,
        if (nn->num_rx_rings != total_rx)
                reconfig_rx = &rx;
        if (nn->num_stack_tx_rings != total_tx ||
-           (nn->xdp_prog && reconfig_rx))
+           (nn->xdp_enabled && reconfig_rx))
                reconfig_tx = &tx;
 
        /* nfp_net_check_config() will catch tx.n_rings > nn->max_tx_rings */
-       if (nn->xdp_prog)
+       if (nn->xdp_enabled)
                tx.n_rings += total_rx;
 
-       return nfp_net_ring_reconfig(nn, &nn->xdp_prog,
-                                    reconfig_rx, reconfig_tx);
+       return nfp_net_ring_reconfig(nn, reconfig_rx, reconfig_tx);
 }
 
 static int nfp_net_set_channels(struct net_device *netdev,
-- 
2.9.3

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