From 44fdc25d5fd9ea777b4ffa613b767fbcc12ac64f Mon Sep 17 00:00:00 2001 From: Larysa Zaremba Date: Fri, 23 Aug 2024 11:59:28 +0200 Subject: [PATCH] ice: check for XDP rings instead of bpf program when unconfiguring BugLink: https://bugs.launchpad.net/bugs/2087519 [ Upstream commit f50c68763436bc8f805712a7c5ceaf58cfcf5f07 ] If VSI rebuild is pending, .ndo_bpf() can attach/detach the XDP program on VSI without applying new ring configuration. When unconfiguring the VSI, we can encounter the state in which there is an XDP program but no XDP rings to destroy or there will be XDP rings that need to be destroyed, but no XDP program to indicate their presence. When unconfiguring, rely on the presence of XDP rings rather then XDP program, as they better represent the current state that has to be destroyed. Reviewed-by: Wojciech Drewek Reviewed-by: Jacob Keller Tested-by: Chandan Kumar Rout Acked-by: Maciej Fijalkowski Signed-off-by: Larysa Zaremba Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin Signed-off-by: Koichiro Den Signed-off-by: Stefan Bader --- drivers/net/ethernet/intel/ice/ice_lib.c | 4 ++-- drivers/net/ethernet/intel/ice/ice_main.c | 4 ++-- drivers/net/ethernet/intel/ice/ice_xsk.c | 6 +++--- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 2096d6b2c4d2..204ff4fea9c0 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2438,7 +2438,7 @@ void ice_vsi_decfg(struct ice_vsi *vsi) dev_err(ice_pf_to_dev(pf), "Failed to remove RDMA scheduler config for VSI %u, err %d\n", vsi->vsi_num, err); - if (ice_is_xdp_ena_vsi(vsi)) + if (vsi->xdp_rings) /* return value check can be skipped here, it always returns * 0 if reset is in progress */ @@ -2539,7 +2539,7 @@ static void ice_vsi_release_msix(struct ice_vsi *vsi) for (q = 0; q < q_vector->num_ring_tx; q++) { ice_write_itr(&q_vector->tx, 0); wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); - if (ice_is_xdp_ena_vsi(vsi)) { + if (vsi->xdp_rings) { u32 xdp_txq = txq + vsi->num_xdp_txq; wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 3e1c4674826c..3c7a86431d09 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -7154,7 +7154,7 @@ int ice_down(struct ice_vsi *vsi) if (tx_err) netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n", vsi->vsi_num, tx_err); - if (!tx_err && ice_is_xdp_ena_vsi(vsi)) { + if (!tx_err && vsi->xdp_rings) { tx_err = ice_vsi_stop_xdp_tx_rings(vsi); if (tx_err) netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n", @@ -7171,7 +7171,7 @@ int ice_down(struct ice_vsi *vsi) ice_for_each_txq(vsi, i) ice_clean_tx_ring(vsi->tx_rings[i]); - if (ice_is_xdp_ena_vsi(vsi)) + if (vsi->xdp_rings) ice_for_each_xdp_txq(vsi, i) ice_clean_tx_ring(vsi->xdp_rings[i]); diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c index 49937977d953..ff839097a2a7 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.c +++ b/drivers/net/ethernet/intel/ice/ice_xsk.c @@ -39,7 +39,7 @@ static void ice_qp_reset_stats(struct ice_vsi *vsi, u16 q_idx) sizeof(vsi_stat->rx_ring_stats[q_idx]->rx_stats)); memset(&vsi_stat->tx_ring_stats[q_idx]->stats, 0, sizeof(vsi_stat->tx_ring_stats[q_idx]->stats)); - if (ice_is_xdp_ena_vsi(vsi)) + if (vsi->xdp_rings) memset(&vsi->xdp_rings[q_idx]->ring_stats->stats, 0, sizeof(vsi->xdp_rings[q_idx]->ring_stats->stats)); } @@ -52,7 +52,7 @@ static void ice_qp_reset_stats(struct ice_vsi *vsi, u16 q_idx) static void ice_qp_clean_rings(struct ice_vsi *vsi, u16 q_idx) { ice_clean_tx_ring(vsi->tx_rings[q_idx]); - if (ice_is_xdp_ena_vsi(vsi)) + if (vsi->xdp_rings) ice_clean_tx_ring(vsi->xdp_rings[q_idx]); ice_clean_rx_ring(vsi->rx_rings[q_idx]); } @@ -186,7 +186,7 @@ static int ice_qp_dis(struct ice_vsi *vsi, u16 q_idx) err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, 0, tx_ring, &txq_meta); if (!fail) fail = err; - if (ice_is_xdp_ena_vsi(vsi)) { + if (vsi->xdp_rings) { struct ice_tx_ring *xdp_ring = vsi->xdp_rings[q_idx]; memset(&txq_meta, 0, sizeof(txq_meta));