diff options
| author |   Mintz, Yuval <Yuval.Mintz@cavium.com> | 2017-06-04 13:31:08 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-06-04 23:08:31 -0400 |
| commit | cbb8a12c089c7f04b86d08d89bdab71ec9bff1f5 (patch) | |
| tree | d85b8c2d572543192a4e58f813237c13a4308613 /drivers/net/ethernet/qlogic/qed/qed_l2.c | |
| parent | qed: VFs to try utilizing the doorbell bar (diff) | |
| download | linux-dev-cbb8a12c089c7f04b86d08d89bdab71ec9bff1f5.tar.xz linux-dev-cbb8a12c089c7f04b86d08d89bdab71ec9bff1f5.zip | |
qed: VF XDP support
The final addition on the qed front -
- VFs would now require their PFs to provide multiple CIDs
- Based on the availability of connections from PF, determine whether
XDP is feasible and share it with qede via dev_info.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_l2.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_l2.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index cffa8e7e539b..cb8b05dbfc6e 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -2119,15 +2119,26 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, ether_addr_copy(info->port_mac, cdev->hwfns[0].hw_info.hw_mac_addr); + + info->xdp_supported = true; } else { - qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev), &info->num_queues); - if (cdev->num_hwfns > 1) { - u8 queues = 0; + u16 total_cids = 0; + + /* Determine queues & XDP support */ + for_each_hwfn(cdev, i) { + struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; + u8 queues, cids; - qed_vf_get_num_rxqs(&cdev->hwfns[1], &queues); + qed_vf_get_num_cids(p_hwfn, &cids); + qed_vf_get_num_rxqs(p_hwfn, &queues); info->num_queues += queues; + total_cids += cids; } + /* Enable VF XDP in case PF guarntees sufficient connections */ + if (total_cids >= info->num_queues * 3) + info->xdp_supported = true; + qed_vf_get_num_vlan_filters(&cdev->hwfns[0], (u8 *)&info->num_vlan_filters); qed_vf_get_num_mac_filters(&cdev->hwfns[0], |