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af_xdp: Fix wakeup channel mismatch causing performance degradation #305

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af_xdp: Fix wakeup channel mismatch causing performance degradation #305

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9 changes: 8 additions & 1 deletion src/lib/efrm/vi_resource_info.c
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Original file line number Diff line number Diff line change
Expand Up @@ -103,10 +103,17 @@ EXPORT_SYMBOL(efrm_vi_get_dev);

int efrm_vi_get_channel(struct efrm_vi *virs)
{
struct efrm_nic *nic = efrm_nic(virs->rs.rs_client->nic);
struct efhw_nic *efhw_nic = efrm_client_get_nic(virs->rs.rs_client);
struct efrm_nic *nic = efrm_nic(efhw_nic);

/* interrupt is managed by us. */
if (virs->vec != NULL)
return virs->vec->channel;

/* For AF_XDP, wakeup channel must match the AF_XDP queue number */
if (efhw_nic->devtype.arch == EFHW_ARCH_AF_XDP)
return virs->rs.rs_instance;

/* interrupt is managed by net driver. */
return virs->net_drv_wakeup_channel >= 0 ?
virs->net_drv_wakeup_channel :
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