From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Nguyen Date: Fri, 15 May 2020 17:42:17 -0700 Subject: [Intel-wired-lan] [PATCH S44 05/14] ice: Change number of XDP Tx queues to match number of Rx queues In-Reply-To: <20200516004226.4795-1-anthony.l.nguyen@intel.com> References: <20200516004226.4795-1-anthony.l.nguyen@intel.com> Message-ID: <20200516004226.4795-5-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Marta Plantykow In current implementation number of XDP Tx queues is the same as the number of transmit queues, which is not always true. This patch changes this number to match the number of receive queues. XDP programs are running on Rx rings, so what we actually need to provide is the XDP Tx ring per each Rx ring so that the whole XDP ecosystem is functional, e.g. if the result of XDP prog is XDP_TX then you have the need to access the XDP Tx ring. Signed-off-by: Marta Plantykow --- drivers/net/ethernet/intel/ice/ice_lib.c | 2 +- drivers/net/ethernet/intel/ice/ice_main.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 70b770083ee8..51a20958e0d0 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2835,7 +2835,7 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) ice_vsi_map_rings_to_vectors(vsi); if (ice_is_xdp_ena_vsi(vsi)) { - vsi->num_xdp_txq = vsi->alloc_txq; + vsi->num_xdp_txq = vsi->alloc_rxq; ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog); if (ret) goto err_vectors; diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index a74b2ce6956a..fcd5c53202d9 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -1942,7 +1942,7 @@ ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, } if (!ice_is_xdp_ena_vsi(vsi) && prog) { - vsi->num_xdp_txq = vsi->alloc_txq; + vsi->num_xdp_txq = vsi->alloc_rxq; xdp_ring_err = ice_prepare_xdp_rings(vsi, prog); if (xdp_ring_err) NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed"); -- 2.20.1