[PATCH net v2 0/9] gve: various XDP fixes
From: Joshua Washington <joshwash@google.com>
Date: 2026-09-22 19:45:36
Also in:
bpf, lkml
This patch series includes a number of XDP-related fixes, both in the control plane and the dataplane. A summary of the changes: 1) fix an issue where XDP packets weren't being counted against NAPI budget 2) fix an issue where XSK buffers that have not been processed are leaked when disabling XSK pools 3) fix an XSK buffer leak when an RX error descriptor comes back from the hardware 4) fix a NULL dereference due to incorrect registration of XSK pools on queues not set up in XSK zero copy mode 5) fix a deadlock introduced by attempting to acquire the netdev lock after it has already been acquired 6) fix a racy NULL dereference due to DMA umapping the XSK pool before queues are fully stopped 7) fix potential data race on priv->xsk_pool when the field is set while NAPIs are enabled 8) attempt to register memory model in all cases when disabling XSK pools 9) clean xdp frames when tearing down DQO queues --- v2: - introduce 3 new patches (7, 8, 9) based on Sashiko feedback - corrected stat counting for packets according work_done behavioral change (patch 1) Eddie Phillips (1): gve: prevent XDP frame leak and corruption during DQO TX cleanup Joshua Washington (8): gve: increment work_done for XDP and error packets gve: fix XSK buffer leak when rings are stopped gve: fix XSK buffer leak on error descriptor gve: don't register xsk pool on pre-existing queues in RDA mode gve: fix napi_disable deadlock when attempting to disable XSK pools gve: fix NULL dereference from premature XSK pool DMA unmap gve: disable NAPI when registering XSK pools in QPL mode gve: ensure XDP mem model is registered when disabling XSK pools drivers/net/ethernet/google/gve/gve_main.c | 153 +++++++---- drivers/net/ethernet/google/gve/gve_rx_dqo.c | 31 ++- drivers/net/ethernet/google/gve/gve_tx_dqo.c | 256 +++++++++++++------ 3 files changed, 314 insertions(+), 126 deletions(-) -- 2.55.0.1082.g2b9226bbc0-goog