diff options
| author | Shannon Nelson <shannon.nelson@amd.com> | 2024-02-14 09:59:09 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-02-16 08:48:08 +0000 |
| commit | 5377805dc1c02ad3721a9256f0eef9b4813952e7 (patch) | |
| tree | db43749fc43c2cc188fd80a52a0c537db16c1a49 /drivers/net/ethernet/pensando/ionic/ionic_lif.c | |
| parent | 26f5726a78574a4f9d77ef7610bfb6dc402cca81 (diff) | |
ionic: implement xdp frags support
Add support for using scatter-gather / frags in XDP in both
Rx and Tx paths.
Co-developed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_lif.c')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index d26ea697804d..5cfc784f1227 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -881,7 +881,8 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) q->partner = &lif->txqcqs[q->index]->q; q->partner->partner = q; - if (!lif->xdp_prog) + if (!lif->xdp_prog || + (lif->xdp_prog->aux && lif->xdp_prog->aux->xdp_has_frags)) ctx.cmd.q_init.flags |= cpu_to_le16(IONIC_QINIT_F_SG); if (qcq->flags & IONIC_QCQ_F_CMB_RINGS) { @@ -1651,7 +1652,9 @@ static int ionic_init_nic_features(struct ionic_lif *lif) netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | - NETDEV_XDP_ACT_NDO_XMIT; + NETDEV_XDP_ACT_RX_SG | + NETDEV_XDP_ACT_NDO_XMIT | + NETDEV_XDP_ACT_NDO_XMIT_SG; return 0; } @@ -1799,6 +1802,9 @@ static bool ionic_xdp_is_valid_mtu(struct ionic_lif *lif, u32 mtu, if (mtu <= IONIC_XDP_MAX_LINEAR_MTU) return true; + if (xdp_prog->aux && xdp_prog->aux->xdp_has_frags) + return true; + return false; } @@ -2812,7 +2818,7 @@ static int ionic_xdp_config(struct net_device *netdev, struct netdev_bpf *bpf) } maxfs = __le32_to_cpu(lif->identity->eth.max_frame_size) - VLAN_ETH_HLEN; - if (bpf->prog) + if (bpf->prog && !(bpf->prog->aux && bpf->prog->aux->xdp_has_frags)) maxfs = min_t(u32, maxfs, IONIC_XDP_MAX_LINEAR_MTU); netdev->max_mtu = maxfs; |