diff options
author | Jakub Kicinski <kuba@kernel.org> | 2023-03-30 14:43:03 -0700 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2023-03-30 14:43:03 -0700 |
commit | 79548b7984e4c606c6caaad72a0864a83855ebc9 (patch) | |
tree | 05e1be823acbae8bbcd155a706eb9e4f84eee047 /drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c | |
parent | da617cd8d90608582eb8d0b58026f31f1a9bfb1d (diff) | |
parent | b2bc47e9b2011a183f9d3d3454a294a938082fb9 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:
drivers/net/ethernet/mediatek/mtk_ppe.c
3fbe4d8c0e53 ("net: ethernet: mtk_eth_soc: ppe: add support for flow accounting")
924531326e2d ("net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c index e6ef6b303222..5fd75e75772e 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c @@ -542,6 +542,72 @@ static void ice_vc_fdir_rem_prof_all(struct ice_vf *vf) } /** + * ice_vc_fdir_has_prof_conflict + * @vf: pointer to the VF structure + * @conf: FDIR configuration for each filter + * + * Check if @conf has conflicting profile with existing profiles + * + * Return: true on success, and false on error. + */ +static bool +ice_vc_fdir_has_prof_conflict(struct ice_vf *vf, + struct virtchnl_fdir_fltr_conf *conf) +{ + struct ice_fdir_fltr *desc; + + list_for_each_entry(desc, &vf->fdir.fdir_rule_list, fltr_node) { + struct virtchnl_fdir_fltr_conf *existing_conf; + enum ice_fltr_ptype flow_type_a, flow_type_b; + struct ice_fdir_fltr *a, *b; + + existing_conf = to_fltr_conf_from_desc(desc); + a = &existing_conf->input; + b = &conf->input; + flow_type_a = a->flow_type; + flow_type_b = b->flow_type; + + /* No need to compare two rules with different tunnel types or + * with the same protocol type. + */ + if (existing_conf->ttype != conf->ttype || + flow_type_a == flow_type_b) + continue; + + switch (flow_type_a) { + case ICE_FLTR_PTYPE_NONF_IPV4_UDP: + case ICE_FLTR_PTYPE_NONF_IPV4_TCP: + case ICE_FLTR_PTYPE_NONF_IPV4_SCTP: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) + return true; + break; + case ICE_FLTR_PTYPE_NONF_IPV4_OTHER: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_UDP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_TCP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_SCTP) + return true; + break; + case ICE_FLTR_PTYPE_NONF_IPV6_UDP: + case ICE_FLTR_PTYPE_NONF_IPV6_TCP: + case ICE_FLTR_PTYPE_NONF_IPV6_SCTP: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) + return true; + break; + case ICE_FLTR_PTYPE_NONF_IPV6_OTHER: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_UDP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_TCP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_SCTP) + return true; + break; + default: + break; + } + } + + return false; +} + +/** * ice_vc_fdir_write_flow_prof * @vf: pointer to the VF structure * @flow: filter flow type @@ -677,6 +743,13 @@ ice_vc_fdir_config_input_set(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, enum ice_fltr_ptype flow; int ret; + ret = ice_vc_fdir_has_prof_conflict(vf, conf); + if (ret) { + dev_dbg(dev, "Found flow profile conflict for VF %d\n", + vf->vf_id); + return ret; + } + flow = input->flow_type; ret = ice_vc_fdir_alloc_prof(vf, flow); if (ret) { |