diff options
| author |   Jesper Dangaard Brouer <brouer@redhat.com> | 2018-01-03 11:25:29 +0100 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-01-05 15:21:21 -0800 |
| commit | 99ffc5ade4e8703c3bc56fa6bb8e25437da09ee9 (patch) | |
| tree | dd766cccd95401fab0b558b0078ae91859d89f0d | |
| parent | i40e: setup xdp_rxq_info (diff) | |
| download | linux-dev-99ffc5ade4e8703c3bc56fa6bb8e25437da09ee9.tar.xz linux-dev-99ffc5ade4e8703c3bc56fa6bb8e25437da09ee9.zip | |
ixgbe: setup xdp_rxq_info
Driver hook points for xdp_rxq_info:
* reg : ixgbe_setup_rx_resources()
* unreg: ixgbe_free_rx_resources()
Tested on actual hardware.
V2: Fix ixgbe_set_ringparam, clear xdp_rxq_info in temp_ring
Cc: intel-wired-lan@lists.osuosl.org
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 10 |
3 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 468c3555a629..8611763d6129 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -53,6 +53,7 @@ #include <linux/dca.h> #endif +#include <net/xdp.h> #include <net/busy_poll.h> /* common prefix used by pr_<> macros */ @@ -371,6 +372,7 @@ struct ixgbe_ring { struct ixgbe_tx_queue_stats tx_stats; struct ixgbe_rx_queue_stats rx_stats; }; + struct xdp_rxq_info xdp_rxq; } ____cacheline_internodealigned_in_smp; enum ixgbe_ring_f_enum { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 0aad1c2a3667..0aaf70b3cfcd 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -1156,6 +1156,10 @@ static int ixgbe_set_ringparam(struct net_device *netdev, memcpy(&temp_ring[i], adapter->rx_ring[i], sizeof(struct ixgbe_ring)); + /* Clear copied XDP RX-queue info */ + memset(&temp_ring[i].xdp_rxq, 0, + sizeof(temp_ring[i].xdp_rxq)); + temp_ring[i].count = new_rx_count; err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]); if (err) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 7737a05c717c..95aba975b391 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -2318,12 +2318,14 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, #endif /* IXGBE_FCOE */ u16 cleaned_count = ixgbe_desc_unused(rx_ring); bool xdp_xmit = false; + struct xdp_buff xdp; + + xdp.rxq = &rx_ring->xdp_rxq; while (likely(total_rx_packets < budget)) { union ixgbe_adv_rx_desc *rx_desc; struct ixgbe_rx_buffer *rx_buffer; struct sk_buff *skb; - struct xdp_buff xdp; unsigned int size; /* return some buffers to hardware, one at a time is too slow */ @@ -6444,6 +6446,11 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; + /* XDP RX-queue info */ + if (xdp_rxq_info_reg(&rx_ring->xdp_rxq, adapter->netdev, + rx_ring->queue_index) < 0) + goto err; + rx_ring->xdp_prog = adapter->xdp_prog; return 0; @@ -6541,6 +6548,7 @@ void ixgbe_free_rx_resources(struct ixgbe_ring *rx_ring) ixgbe_clean_rx_ring(rx_ring); rx_ring->xdp_prog = NULL; + xdp_rxq_info_unreg(&rx_ring->xdp_rxq); vfree(rx_ring->rx_buffer_info); rx_ring->rx_buffer_info = NULL; |