diff options
| author | Jesper Dangaard Brouer | 2018-01-03 11:25:49 +0100 |
|---|---|---|
| committer | Alexei Starovoitov | 2018-01-06 00:21:21 +0100 |
| commit | 7f1c684a8966d19177a0440113a39007f95af38d (patch) | |
| tree | 294b3e1ae909393b4f42292eedad6fd42e47ae40 /drivers/net/ethernet/netronome/nfp/nfp_net_common.c | |
| parent | bnxt_en: setup xdp_rxq_info (diff) | |
| download | kernel-qcow2-linux-7f1c684a8966d19177a0440113a39007f95af38d.tar.gz kernel-qcow2-linux-7f1c684a8966d19177a0440113a39007f95af38d.tar.xz kernel-qcow2-linux-7f1c684a8966d19177a0440113a39007f95af38d.zip | |
nfp: setup xdp_rxq_info
Driver hook points for xdp_rxq_info:
* reg : nfp_net_rx_ring_alloc
* unreg: nfp_net_rx_ring_free
In struct nfp_net_rx_ring moved member @size into a hole on 64-bit.
Thus, the size remaines the same after adding member @xdp_rxq.
Cc: oss-drivers@netronome.com
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_common.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 0add4870ce2e..45b8cae937be 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1608,11 +1608,13 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) unsigned int true_bufsz; struct sk_buff *skb; int pkts_polled = 0; + struct xdp_buff xdp; int idx; rcu_read_lock(); xdp_prog = READ_ONCE(dp->xdp_prog); true_bufsz = xdp_prog ? PAGE_SIZE : dp->fl_bufsz; + xdp.rxq = &rx_ring->xdp_rxq; tx_ring = r_vec->xdp_ring; while (pkts_polled < budget) { @@ -1703,7 +1705,6 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) dp->bpf_offload_xdp) && !meta.portid) { void *orig_data = rxbuf->frag + pkt_off; unsigned int dma_off; - struct xdp_buff xdp; int act; xdp.data_hard_start = rxbuf->frag + NFP_NET_RX_BUF_HEADROOM; @@ -2252,6 +2253,7 @@ 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_dp *dp = &r_vec->nfp_net->dp; + xdp_rxq_info_unreg(&rx_ring->xdp_rxq); kfree(rx_ring->rxbufs); if (rx_ring->rxds) @@ -2275,7 +2277,11 @@ static void nfp_net_rx_ring_free(struct nfp_net_rx_ring *rx_ring) static int nfp_net_rx_ring_alloc(struct nfp_net_dp *dp, struct nfp_net_rx_ring *rx_ring) { - int sz; + int sz, err; + + err = xdp_rxq_info_reg(&rx_ring->xdp_rxq, dp->netdev, rx_ring->idx); + if (err < 0) + return err; rx_ring->cnt = dp->rxd_cnt; rx_ring->size = sizeof(*rx_ring->rxds) * rx_ring->cnt; |