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path: root/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c559
1 files changed, 467 insertions, 92 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
index 16de603b280c..aceec184e89b 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
@@ -1,10 +1,11 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2018-2020, Intel Corporation. */
+/* Copyright (C) 2018-2023, Intel Corporation. */
/* flow director ethtool support for ice */
#include "ice.h"
#include "ice_lib.h"
+#include "ice_fdir.h"
#include "ice_flow.h"
static struct in6_addr full_ipv6_addr_mask = {
@@ -40,6 +41,8 @@ static struct in6_addr zero_ipv6_addr_mask = {
static int ice_fltr_to_ethtool_flow(enum ice_fltr_ptype flow)
{
switch (flow) {
+ case ICE_FLTR_PTYPE_NONF_ETH:
+ return ETHER_FLOW;
case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
return TCP_V4_FLOW;
case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
@@ -71,6 +74,8 @@ static int ice_fltr_to_ethtool_flow(enum ice_fltr_ptype flow)
static enum ice_fltr_ptype ice_ethtool_flow_to_fltr(int eth)
{
switch (eth) {
+ case ETHER_FLOW:
+ return ICE_FLTR_PTYPE_NONF_ETH;
case TCP_V4_FLOW:
return ICE_FLTR_PTYPE_NONF_IPV4_TCP;
case UDP_V4_FLOW:
@@ -136,6 +141,10 @@ int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd)
memset(&fsp->m_ext, 0, sizeof(fsp->m_ext));
switch (fsp->flow_type) {
+ case ETHER_FLOW:
+ fsp->h_u.ether_spec = rule->eth;
+ fsp->m_u.ether_spec = rule->eth_mask;
+ break;
case IPV4_USER_FLOW:
fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
fsp->h_u.usr_ip4_spec.proto = 0;
@@ -205,7 +214,7 @@ int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd)
if (rule->dest_ctl == ICE_FLTR_PRGM_DESC_DEST_DROP_PKT)
fsp->ring_cookie = RX_CLS_FLOW_DISC;
else
- fsp->ring_cookie = rule->q_index;
+ fsp->ring_cookie = rule->orig_q_index;
idx = ice_ethtool_flow_to_fltr(fsp->flow_type);
if (idx == ICE_FLTR_PTYPE_NONF_NONE) {
@@ -257,6 +266,78 @@ release_lock:
}
/**
+ * ice_fdir_remap_entries - update the FDir entries in profile
+ * @prof: FDir structure pointer
+ * @tun: tunneled or non-tunneled packet
+ * @idx: FDir entry index
+ */
+static void
+ice_fdir_remap_entries(struct ice_fd_hw_prof *prof, int tun, int idx)
+{
+ if (idx != prof->cnt && tun < ICE_FD_HW_SEG_MAX) {
+ int i;
+
+ for (i = idx; i < (prof->cnt - 1); i++) {
+ u64 old_entry_h;
+
+ old_entry_h = prof->entry_h[i + 1][tun];
+ prof->entry_h[i][tun] = old_entry_h;
+ prof->vsi_h[i] = prof->vsi_h[i + 1];
+ }
+
+ prof->entry_h[i][tun] = 0;
+ prof->vsi_h[i] = 0;
+ }
+}
+
+/**
+ * ice_fdir_rem_adq_chnl - remove an ADQ channel from HW filter rules
+ * @hw: hardware structure containing filter list
+ * @vsi_idx: VSI handle
+ */
+void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx)
+{
+ int status, flow;
+
+ if (!hw->fdir_prof)
+ return;
+
+ for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++) {
+ struct ice_fd_hw_prof *prof = hw->fdir_prof[flow];
+ int tun, i;
+
+ if (!prof || !prof->cnt)
+ continue;
+
+ for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
+ u64 prof_id = prof->prof_id[tun];
+
+ for (i = 0; i < prof->cnt; i++) {
+ if (prof->vsi_h[i] != vsi_idx)
+ continue;
+
+ prof->entry_h[i][tun] = 0;
+ prof->vsi_h[i] = 0;
+ break;
+ }
+
+ /* after clearing FDir entries update the remaining */
+ ice_fdir_remap_entries(prof, tun, i);
+
+ /* find flow profile corresponding to prof_id and clear
+ * vsi_idx from bitmap.
+ */
+ status = ice_flow_rem_vsi_prof(hw, vsi_idx, prof_id);
+ if (status) {
+ dev_err(ice_hw_to_dev(hw), "ice_flow_rem_vsi_prof() failed status=%d\n",
+ status);
+ }
+ }
+ prof->cnt--;
+ }
+}
+
+/**
* ice_fdir_get_hw_prof - return the ice_fd_hw_proc associated with a flow
* @hw: hardware structure containing the filter list
* @blk: hardware block
@@ -287,10 +368,9 @@ ice_fdir_erase_flow_from_hw(struct ice_hw *hw, enum ice_block blk, int flow)
return;
for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
- u64 prof_id;
+ u64 prof_id = prof->prof_id[tun];
int j;
- prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
for (j = 0; j < prof->cnt; j++) {
u16 vsi_num;
@@ -364,14 +444,12 @@ void ice_fdir_replay_flows(struct ice_hw *hw)
for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
struct ice_flow_prof *hw_prof;
struct ice_fd_hw_prof *prof;
- u64 prof_id;
int j;
prof = hw->fdir_prof[flow];
- prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
- ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, prof_id,
+ ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX,
prof->fdir_seg[tun], TNL_SEG_CNT(tun),
- &hw_prof);
+ false, &hw_prof);
for (j = 0; j < prof->cnt; j++) {
enum ice_flow_priority prio;
u64 entry_h = 0;
@@ -379,7 +457,7 @@ void ice_fdir_replay_flows(struct ice_hw *hw)
prio = ICE_FLOW_PRIO_NORMAL;
err = ice_flow_add_entry(hw, ICE_BLK_FD,
- prof_id,
+ hw_prof->id,
prof->vsi_h[0],
prof->vsi_h[j],
prio, prof->fdir_seg,
@@ -389,6 +467,7 @@ void ice_fdir_replay_flows(struct ice_hw *hw)
flow);
continue;
}
+ prof->prof_id[tun] = hw_prof->id;
prof->entry_h[j][tun] = entry_h;
}
}
@@ -432,8 +511,7 @@ ice_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
return -EINVAL;
data->flex_word = value & ICE_USERDEF_FLEX_WORD_M;
- data->flex_offset = (value & ICE_USERDEF_FLEX_OFFS_M) >>
- ICE_USERDEF_FLEX_OFFS_S;
+ data->flex_offset = FIELD_GET(ICE_USERDEF_FLEX_OFFS_M, value);
if (data->flex_offset > ICE_USERDEF_FLEX_MAX_OFFS_VAL)
return -EINVAL;
@@ -456,7 +534,7 @@ ice_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
*
* Returns the number of available flow director filters to this VSI
*/
-static int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi)
+int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi)
{
u16 vsi_num = ice_get_hw_vsi_num(hw, vsi->idx);
u16 num_guar;
@@ -465,16 +543,24 @@ static int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi)
/* total guaranteed filters assigned to this VSI */
num_guar = vsi->num_gfltr;
- /* minus the guaranteed filters programed by this VSI */
- num_guar -= (rd32(hw, VSIQF_FD_CNT(vsi_num)) &
- VSIQF_FD_CNT_FD_GCNT_M) >> VSIQF_FD_CNT_FD_GCNT_S;
-
/* total global best effort filters */
num_be = hw->func_caps.fd_fltr_best_effort;
- /* minus the global best effort filters programmed */
- num_be -= (rd32(hw, GLQF_FD_CNT) & GLQF_FD_CNT_FD_BCNT_M) >>
- GLQF_FD_CNT_FD_BCNT_S;
+ /* Subtract the number of programmed filters from the global values */
+ switch (hw->mac_type) {
+ case ICE_MAC_E830:
+ num_guar -= FIELD_GET(E830_VSIQF_FD_CNT_FD_GCNT_M,
+ rd32(hw, VSIQF_FD_CNT(vsi_num)));
+ num_be -= FIELD_GET(E830_GLQF_FD_CNT_FD_BCNT_M,
+ rd32(hw, GLQF_FD_CNT));
+ break;
+ case ICE_MAC_E810:
+ default:
+ num_guar -= FIELD_GET(E800_VSIQF_FD_CNT_FD_GCNT_M,
+ rd32(hw, VSIQF_FD_CNT(vsi_num)));
+ num_be -= FIELD_GET(E800_GLQF_FD_CNT_FD_BCNT_M,
+ rd32(hw, GLQF_FD_CNT));
+ }
return num_guar + num_be;
}
@@ -514,6 +600,28 @@ ice_fdir_alloc_flow_prof(struct ice_hw *hw, enum ice_fltr_ptype flow)
}
/**
+ * ice_fdir_prof_vsi_idx - find or insert a vsi_idx in structure
+ * @prof: pointer to flow director HW profile
+ * @vsi_idx: vsi_idx to locate
+ *
+ * return the index of the vsi_idx. if vsi_idx is not found insert it
+ * into the vsi_h table.
+ */
+static u16
+ice_fdir_prof_vsi_idx(struct ice_fd_hw_prof *prof, int vsi_idx)
+{
+ u16 idx = 0;
+
+ for (idx = 0; idx < prof->cnt; idx++)
+ if (prof->vsi_h[idx] == vsi_idx)
+ return idx;
+
+ if (idx == prof->cnt)
+ prof->vsi_h[prof->cnt++] = vsi_idx;
+ return idx;
+}
+
+/**
* ice_fdir_set_hw_fltr_rule - Configure HW tables to generate a FDir rule
* @pf: pointer to the PF structure
* @seg: protocol header description pointer
@@ -530,11 +638,11 @@ ice_fdir_set_hw_fltr_rule(struct ice_pf *pf, struct ice_flow_seg_info *seg,
struct ice_flow_prof *prof = NULL;
struct ice_fd_hw_prof *hw_prof;
struct ice_hw *hw = &pf->hw;
- enum ice_status status;
u64 entry1_h = 0;
u64 entry2_h = 0;
- u64 prof_id;
+ bool del_last;
int err;
+ int idx;
main_vsi = ice_get_main_vsi(pf);
if (!main_vsi)
@@ -562,7 +670,7 @@ ice_fdir_set_hw_fltr_rule(struct ice_pf *pf, struct ice_flow_seg_info *seg,
* then return error.
*/
if (hw->fdir_fltr_cnt[flow]) {
- dev_err(dev, "Failed to add filter. Flow director filters on each port must have the same input set.\n");
+ dev_err(dev, "Failed to add filter. Flow director filters on each port must have the same input set.\n");
return -EINVAL;
}
@@ -580,27 +688,23 @@ ice_fdir_set_hw_fltr_rule(struct ice_pf *pf, struct ice_flow_seg_info *seg,
* That is the final parameters are 1 header (segment), no
* actions (NULL) and zero actions 0.
*/
- prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
- status = ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, prof_id, seg,
- TNL_SEG_CNT(tun), &prof);
- if (status)
- return ice_status_to_errno(status);
- status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, main_vsi->idx,
- main_vsi->idx, ICE_FLOW_PRIO_NORMAL,
- seg, &entry1_h);
- if (status) {
- err = ice_status_to_errno(status);
+ err = ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, seg,
+ TNL_SEG_CNT(tun), false, &prof);
+ if (err)
+ return err;
+ err = ice_flow_add_entry(hw, ICE_BLK_FD, prof->id, main_vsi->idx,
+ main_vsi->idx, ICE_FLOW_PRIO_NORMAL,
+ seg, &entry1_h);
+ if (err)
goto err_prof;
- }
- status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, main_vsi->idx,
- ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL,
- seg, &entry2_h);
- if (status) {
- err = ice_status_to_errno(status);
+ err = ice_flow_add_entry(hw, ICE_BLK_FD, prof->id, main_vsi->idx,
+ ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL,
+ seg, &entry2_h);
+ if (err)
goto err_entry;
- }
hw_prof->fdir_seg[tun] = seg;
+ hw_prof->prof_id[tun] = prof->id;
hw_prof->entry_h[0][tun] = entry1_h;
hw_prof->entry_h[1][tun] = entry2_h;
hw_prof->vsi_h[0] = main_vsi->idx;
@@ -608,15 +712,67 @@ ice_fdir_set_hw_fltr_rule(struct ice_pf *pf, struct ice_flow_seg_info *seg,
if (!hw_prof->cnt)
hw_prof->cnt = 2;
+ for (idx = 1; idx < ICE_CHNL_MAX_TC; idx++) {
+ u16 vsi_idx;
+ u16 vsi_h;
+
+ if (!ice_is_adq_active(pf) || !main_vsi->tc_map_vsi[idx])
+ continue;
+
+ entry1_h = 0;
+ vsi_h = main_vsi->tc_map_vsi[idx]->idx;
+ err = ice_flow_add_entry(hw, ICE_BLK_FD, prof->id,
+ main_vsi->idx, vsi_h,
+ ICE_FLOW_PRIO_NORMAL, seg,
+ &entry1_h);
+ if (err) {
+ dev_err(dev, "Could not add Channel VSI %d to flow group\n",
+ idx);
+ goto err_unroll;
+ }
+
+ vsi_idx = ice_fdir_prof_vsi_idx(hw_prof,
+ main_vsi->tc_map_vsi[idx]->idx);
+ hw_prof->entry_h[vsi_idx][tun] = entry1_h;
+ }
+
return 0;
+err_unroll:
+ entry1_h = 0;
+ hw_prof->fdir_seg[tun] = NULL;
+
+ /* The variable del_last will be used to determine when to clean up
+ * the VSI group data. The VSI data is not needed if there are no
+ * segments.
+ */
+ del_last = true;
+ for (idx = 0; idx < ICE_FD_HW_SEG_MAX; idx++)
+ if (hw_prof->fdir_seg[idx]) {
+ del_last = false;
+ break;
+ }
+
+ for (idx = 0; idx < hw_prof->cnt; idx++) {
+ u16 vsi_num = ice_get_hw_vsi_num(hw, hw_prof->vsi_h[idx]);
+
+ if (!hw_prof->entry_h[idx][tun])
+ continue;
+ ice_rem_prof_id_flow(hw, ICE_BLK_FD, vsi_num, prof->id);
+ ice_flow_rem_entry(hw, ICE_BLK_FD, hw_prof->entry_h[idx][tun]);
+ hw_prof->entry_h[idx][tun] = 0;
+ if (del_last)
+ hw_prof->vsi_h[idx] = 0;
+ }
+ if (del_last)
+ hw_prof->cnt = 0;
err_entry:
ice_rem_prof_id_flow(hw, ICE_BLK_FD,
- ice_get_hw_vsi_num(hw, main_vsi->idx), prof_id);
+ ice_get_hw_vsi_num(hw, main_vsi->idx), prof->id);
ice_flow_rem_entry(hw, ICE_BLK_FD, entry1_h);
err_prof:
- ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id);
- dev_err(dev, "Failed to add filter. Flow director filters on each port must have the same input set.\n");
+ ice_flow_rem_prof(hw, ICE_BLK_FD, prof->id);
+ dev_err(dev, "Failed to add filter. Flow director filters on each port must have the same input set.\n");
return err;
}
@@ -706,7 +862,7 @@ ice_create_init_fdir_rule(struct ice_pf *pf, enum ice_fltr_ptype flow)
if (!seg)
return -ENOMEM;
- tun_seg = devm_kzalloc(dev, sizeof(*seg) * ICE_FD_HW_SEG_MAX,
+ tun_seg = devm_kcalloc(dev, ICE_FD_HW_SEG_MAX, sizeof(*tun_seg),
GFP_KERNEL);
if (!tun_seg) {
devm_kfree(dev, seg);
@@ -1046,6 +1202,122 @@ ice_set_fdir_ip6_usr_seg(struct ice_flow_seg_info *seg,
}
/**
+ * ice_fdir_vlan_valid - validate VLAN data for Flow Director rule
+ * @dev: network interface device structure
+ * @fsp: pointer to ethtool Rx flow specification
+ *
+ * Return: true if vlan data is valid, false otherwise
+ */
+static bool ice_fdir_vlan_valid(struct device *dev,
+ struct ethtool_rx_flow_spec *fsp)
+{
+ if (fsp->m_ext.vlan_etype && !eth_type_vlan(fsp->h_ext.vlan_etype))
+ return false;
+
+ if (fsp->m_ext.vlan_tci && ntohs(fsp->h_ext.vlan_tci) >= VLAN_N_VID)
+ return false;
+
+ /* proto and vlan must have vlan-etype defined */
+ if (fsp->m_u.ether_spec.h_proto && fsp->m_ext.vlan_tci &&
+ !fsp->m_ext.vlan_etype) {
+ dev_warn(dev, "Filter with proto and vlan require also vlan-etype");
+ return false;
+ }
+
+ return true;
+}
+
+/**
+ * ice_set_ether_flow_seg - set address and protocol segments for ether flow
+ * @dev: network interface device structure
+ * @seg: flow segment for programming
+ * @eth_spec: mask data from ethtool
+ *
+ * Return: 0 on success and errno in case of error.
+ */
+static int ice_set_ether_flow_seg(struct device *dev,
+ struct ice_flow_seg_info *seg,
+ struct ethhdr *eth_spec)
+{
+ ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ETH);
+
+ /* empty rules are not valid */
+ if (is_zero_ether_addr(eth_spec->h_source) &&
+ is_zero_ether_addr(eth_spec->h_dest) &&
+ !eth_spec->h_proto)
+ return -EINVAL;
+
+ /* Ethertype */
+ if (eth_spec->h_proto == htons(0xFFFF)) {
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_ETH_TYPE,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ } else if (eth_spec->h_proto) {
+ dev_warn(dev, "Only 0x0000 or 0xffff proto mask is allowed for flow-type ether");
+ return -EOPNOTSUPP;
+ }
+
+ /* Source MAC address */
+ if (is_broadcast_ether_addr(eth_spec->h_source))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_ETH_SA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!is_zero_ether_addr(eth_spec->h_source))
+ goto err_mask;
+
+ /* Destination MAC address */
+ if (is_broadcast_ether_addr(eth_spec->h_dest))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_ETH_DA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!is_zero_ether_addr(eth_spec->h_dest))
+ goto err_mask;
+
+ return 0;
+
+err_mask:
+ dev_warn(dev, "Only 00:00:00:00:00:00 or ff:ff:ff:ff:ff:ff MAC address mask is allowed for flow-type ether");
+ return -EOPNOTSUPP;
+}
+
+/**
+ * ice_set_fdir_vlan_seg - set vlan segments for ether flow
+ * @seg: flow segment for programming
+ * @ext_masks: masks for additional RX flow fields
+ *
+ * Return: 0 on success and errno in case of error.
+ */
+static int
+ice_set_fdir_vlan_seg(struct ice_flow_seg_info *seg,
+ struct ethtool_flow_ext *ext_masks)
+{
+ ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_VLAN);
+
+ if (ext_masks->vlan_etype) {
+ if (ext_masks->vlan_etype != htons(0xFFFF))
+ return -EOPNOTSUPP;
+
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_S_VLAN,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ }
+
+ if (ext_masks->vlan_tci) {
+ if (ext_masks->vlan_tci != htons(0xFFFF))
+ return -EOPNOTSUPP;
+
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_C_VLAN,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ }
+
+ return 0;
+}
+
+/**
* ice_cfg_fdir_xtrct_seq - Configure extraction sequence for the given filter
* @pf: PF structure
* @fsp: pointer to ethtool Rx flow specification
@@ -1061,14 +1333,14 @@ ice_cfg_fdir_xtrct_seq(struct ice_pf *pf, struct ethtool_rx_flow_spec *fsp,
struct device *dev = ice_pf_to_dev(pf);
enum ice_fltr_ptype fltr_idx;
struct ice_hw *hw = &pf->hw;
- bool perfect_filter;
+ bool perfect_filter = false;
int ret;
seg = devm_kzalloc(dev, sizeof(*seg), GFP_KERNEL);
if (!seg)
return -ENOMEM;
- tun_seg = devm_kzalloc(dev, sizeof(*seg) * ICE_FD_HW_SEG_MAX,
+ tun_seg = devm_kcalloc(dev, ICE_FD_HW_SEG_MAX, sizeof(*tun_seg),
GFP_KERNEL);
if (!tun_seg) {
devm_kfree(dev, seg);
@@ -1114,6 +1386,16 @@ ice_cfg_fdir_xtrct_seq(struct ice_pf *pf, struct ethtool_rx_flow_spec *fsp,
ret = ice_set_fdir_ip6_usr_seg(seg, &fsp->m_u.usr_ip6_spec,
&perfect_filter);
break;
+ case ETHER_FLOW:
+ ret = ice_set_ether_flow_seg(dev, seg, &fsp->m_u.ether_spec);
+ if (!ret && (fsp->m_ext.vlan_etype || fsp->m_ext.vlan_tci)) {
+ if (!ice_fdir_vlan_valid(dev, fsp)) {
+ ret = -EINVAL;
+ break;
+ }
+ ret = ice_set_fdir_vlan_seg(seg, &fsp->m_ext);
+ }
+ break;
default:
ret = -EINVAL;
}
@@ -1135,16 +1417,21 @@ ice_cfg_fdir_xtrct_seq(struct ice_pf *pf, struct ethtool_rx_flow_spec *fsp,
ICE_FLOW_FLD_OFF_INVAL);
}
- /* add filter for outer headers */
fltr_idx = ice_ethtool_flow_to_fltr(fsp->flow_type & ~FLOW_EXT);
+
+ assign_bit(fltr_idx, hw->fdir_perfect_fltr, perfect_filter);
+
+ /* add filter for outer headers */
ret = ice_fdir_set_hw_fltr_rule(pf, seg, fltr_idx,
ICE_FD_HW_SEG_NON_TUN);
- if (ret == -EEXIST)
- /* Rule already exists, free memory and continue */
- devm_kfree(dev, seg);
- else if (ret)
+ if (ret == -EEXIST) {
+ /* Rule already exists, free memory and count as success */
+ ret = 0;
+ goto err_exit;
+ } else if (ret) {
/* could not write filter, free memory */
goto err_exit;
+ }
/* make tunneled filter HW entries if possible */
memcpy(&tun_seg[1], seg, sizeof(*seg));
@@ -1159,18 +1446,38 @@ ice_cfg_fdir_xtrct_seq(struct ice_pf *pf, struct ethtool_rx_flow_spec *fsp,
devm_kfree(dev, tun_seg);
}
- if (perfect_filter)
- set_bit(fltr_idx, hw->fdir_perfect_fltr);
- else
- clear_bit(fltr_idx, hw->fdir_perfect_fltr);
-
return ret;
err_exit:
devm_kfree(dev, tun_seg);
devm_kfree(dev, seg);
- return -EOPNOTSUPP;
+ return ret;
+}
+
+/**
+ * ice_update_per_q_fltr
+ * @vsi: ptr to VSI
+ * @q_index: queue index
+ * @inc: true to increment or false to decrement per queue filter count
+ *
+ * This function is used to keep track of per queue sideband filters
+ */
+static void ice_update_per_q_fltr(struct ice_vsi *vsi, u32 q_index, bool inc)
+{
+ struct ice_rx_ring *rx_ring;
+
+ if (!vsi->num_rxq || q_index >= vsi->num_rxq)
+ return;
+
+ rx_ring = vsi->rx_rings[q_index];
+ if (!rx_ring || !rx_ring->ch)
+ return;
+
+ if (inc)
+ atomic_inc(&rx_ring->ch->num_sb_fltr);
+ else
+ atomic_dec_if_positive(&rx_ring->ch->num_sb_fltr);
}
/**
@@ -1190,7 +1497,6 @@ ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
struct ice_hw *hw = &pf->hw;
struct ice_fltr_desc desc;
struct ice_vsi *ctrl_vsi;
- enum ice_status status;
u8 *pkt, *frag_pkt;
bool has_frag;
int err;
@@ -1209,11 +1515,9 @@ ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
}
ice_fdir_get_prgm_desc(hw, input, &desc, add);
- status = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun);
- if (status) {
- err = ice_status_to_errno(status);
+ err = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun);
+ if (err)
goto err_free_all;
- }
err = ice_prgm_fdir_fltr(ctrl_vsi, &desc, pkt);
if (err)
goto err_free_all;
@@ -1223,12 +1527,10 @@ ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
if (has_frag) {
/* does not return error */
ice_fdir_get_prgm_desc(hw, input, &desc, add);
- status = ice_fdir_get_gen_prgm_pkt(hw, input, frag_pkt, true,
- is_tun);
- if (status) {
- err = ice_status_to_errno(status);
+ err = ice_fdir_get_gen_prgm_pkt(hw, input, frag_pkt, true,
+ is_tun);
+ if (err)
goto err_frag;
- }
err = ice_prgm_fdir_fltr(ctrl_vsi, &desc, frag_pkt);
if (err)
goto err_frag;
@@ -1268,7 +1570,7 @@ ice_fdir_write_all_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input,
bool is_tun = tun == ICE_FD_HW_SEG_TUN;
int err;
- if (is_tun && !ice_get_open_tunnel_port(&pf->hw, &port_num))
+ if (is_tun && !ice_get_open_tunnel_port(&pf->hw, &port_num, TNL_ALL))
continue;
err = ice_fdir_write_fltr(pf, input, add, is_tun);
if (err)
@@ -1303,24 +1605,41 @@ void ice_fdir_replay_fltrs(struct ice_pf *pf)
*/
int ice_fdir_create_dflt_rules(struct ice_pf *pf)
{
+ static const enum ice_fltr_ptype dflt_rules[] = {
+ ICE_FLTR_PTYPE_NONF_IPV4_TCP, ICE_FLTR_PTYPE_NONF_IPV4_UDP,
+ ICE_FLTR_PTYPE_NONF_IPV6_TCP, ICE_FLTR_PTYPE_NONF_IPV6_UDP,
+ };
int err;
/* Create perfect TCP and UDP rules in hardware. */
- err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV4_TCP);
- if (err)
- return err;
+ for (int i = 0; i < ARRAY_SIZE(dflt_rules); i++) {
+ err = ice_create_init_fdir_rule(pf, dflt_rules[i]);
- err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV4_UDP);
- if (err)
- return err;
+ if (err)
+ break;
+ }
- err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV6_TCP);
- if (err)
- return err;
+ return err;
+}
- err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV6_UDP);
+/**
+ * ice_fdir_del_all_fltrs - Delete all flow director filters
+ * @vsi: the VSI being changed
+ *
+ * This function needs to be called while holding hw->fdir_fltr_lock
+ */
+void ice_fdir_del_all_fltrs(struct ice_vsi *vsi)
+{
+ struct ice_fdir_fltr *f_rule, *tmp;
+ struct ice_pf *pf = vsi->back;
+ struct ice_hw *hw = &pf->hw;
- return err;
+ list_for_each_entry_safe(f_rule, tmp, &hw->fdir_list_head, fltr_node) {
+ ice_fdir_write_all_fltr(pf, f_rule, false);
+ ice_fdir_update_cntrs(hw, f_rule->flow_type, false);
+ list_del(&f_rule->fltr_node);
+ devm_kfree(ice_pf_to_dev(pf), f_rule);
+ }
}
/**
@@ -1330,7 +1649,6 @@ int ice_fdir_create_dflt_rules(struct ice_pf *pf)
*/
void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena)
{
- struct ice_fdir_fltr *f_rule, *tmp;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
enum ice_fltr_ptype flow;
@@ -1344,13 +1662,8 @@ void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena)
mutex_lock(&hw->fdir_fltr_lock);
if (!test_and_clear_bit(ICE_FLAG_FD_ENA, pf->flags))
goto release_lock;
- list_for_each_entry_safe(f_rule, tmp, &hw->fdir_list_head, fltr_node) {
- /* ignore return value */
- ice_fdir_write_all_fltr(pf, f_rule, false);
- ice_fdir_update_cntrs(hw, f_rule->flow_type, false);
- list_del(&f_rule->fltr_node);
- devm_kfree(ice_hw_to_dev(hw), f_rule);
- }
+
+ ice_fdir_del_all_fltrs(vsi);
if (hw->fdir_prof)
for (flow = ICE_FLTR_PTYPE_NONF_NONE; flow < ICE_FLTR_PTYPE_MAX;
@@ -1401,18 +1714,25 @@ ice_fdir_update_list_entry(struct ice_pf *pf, struct ice_fdir_fltr *input,
{
struct ice_fdir_fltr *old_fltr;
struct ice_hw *hw = &pf->hw;
+ struct ice_vsi *vsi;
int err = -ENOENT;
/* Do not update filters during reset */
if (ice_is_reset_in_progress(pf->state))
return -EBUSY;
+ vsi = ice_get_main_vsi(pf);
+ if (!vsi)
+ return -EINVAL;
+
old_fltr = ice_fdir_find_fltr_by_idx(hw, fltr_idx);
if (old_fltr) {
err = ice_fdir_write_all_fltr(pf, old_fltr, false);
if (err)
return err;
ice_fdir_update_cntrs(hw, old_fltr->flow_type, false);
+ /* update sb-filters count, specific to ring->channel */
+ ice_update_per_q_fltr(vsi, old_fltr->orig_q_index, false);
if (!input && !hw->fdir_fltr_cnt[old_fltr->flow_type])
/* we just deleted the last filter of flow_type so we
* should also delete the HW filter info.
@@ -1424,6 +1744,8 @@ ice_fdir_update_list_entry(struct ice_pf *pf, struct ice_fdir_fltr *input,
if (!input)
return err;
ice_fdir_list_add_fltr(hw, input);
+ /* update sb-filters count, specific to ring->channel */
+ ice_update_per_q_fltr(vsi, input->orig_q_index, true);
ice_fdir_update_cntrs(hw, input->flow_type, true);
return 0;
}
@@ -1463,6 +1785,39 @@ int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
}
/**
+ * ice_update_ring_dest_vsi - update dest ring and dest VSI
+ * @vsi: pointer to target VSI
+ * @dest_vsi: ptr to dest VSI index
+ * @ring: ptr to dest ring
+ *
+ * This function updates destination VSI and queue if user specifies
+ * target queue which falls in channel's (aka ADQ) queue region
+ */
+static void
+ice_update_ring_dest_vsi(struct ice_vsi *vsi, u16 *dest_vsi, u32 *ring)
+{
+ struct ice_channel *ch;
+
+ list_for_each_entry(ch, &vsi->ch_list, list) {
+ if (!ch->ch_vsi)
+ continue;
+
+ /* make sure to locate corresponding channel based on "queue"
+ * specified
+ */
+ if ((*ring < ch->base_q) ||
+ (*ring >= (ch->base_q + ch->num_rxq)))
+ continue;
+
+ /* update the dest_vsi based on channel */
+ *dest_vsi = ch->ch_vsi->idx;
+
+ /* update the "ring" to be correct based on channel */
+ *ring -= ch->base_q;
+ }
+}
+
+/**
* ice_set_fdir_input_set - Set the input set for Flow Director
* @vsi: pointer to target VSI
* @fsp: pointer to ethtool Rx flow specification
@@ -1472,10 +1827,12 @@ static int
ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
struct ice_fdir_fltr *input)
{
- u16 dest_vsi, q_index = 0;
+ s16 q_index = ICE_FDIR_NO_QUEUE_IDX;
+ u16 orig_q_index = 0;
struct ice_pf *pf;
struct ice_hw *hw;
int flow_type;
+ u16 dest_vsi;
u8 dest_ctl;
if (!vsi || !fsp || !input)
@@ -1499,6 +1856,8 @@ ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
if (ring >= vsi->num_rxq)
return -EINVAL;
+ orig_q_index = ring;
+ ice_update_ring_dest_vsi(vsi, &dest_vsi, &ring);
dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
q_index = ring;
}
@@ -1507,6 +1866,11 @@ ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
input->q_index = q_index;
flow_type = fsp->flow_type & ~FLOW_EXT;
+ /* Record the original queue index as specified by user.
+ * with channel configuration 'q_index' becomes relative
+ * to TC (channel).
+ */
+ input->orig_q_index = orig_q_index;
input->dest_vsi = dest_vsi;
input->dest_ctl = dest_ctl;
input->fltr_status = ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID;
@@ -1591,6 +1955,10 @@ ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
input->mask.v6.tc = fsp->m_u.usr_ip6_spec.tclass;
input->mask.v6.proto = fsp->m_u.usr_ip6_spec.l4_proto;
break;
+ case ETHER_FLOW:
+ input->eth = fsp->h_u.ether_spec;
+ input->eth_mask = fsp->m_u.ether_spec;
+ break;
default:
/* not doing un-parsed flow types */
return -EINVAL;
@@ -1615,6 +1983,7 @@ int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
struct ice_pf *pf;
struct ice_hw *hw;
int fltrs_needed;
+ u32 max_location;
u16 tunnel_port;
int ret;
@@ -1646,16 +2015,18 @@ int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
if (ret)
return ret;
- if (fsp->location >= ice_get_fdir_cnt_all(hw)) {
- dev_err(dev, "Failed to add filter. The maximum number of flow director filters has been reached.\n");
+ max_location = ice_get_fdir_cnt_all(hw);
+ if (fsp->location >= max_location) {
+ dev_err(dev, "Failed to add filter. The number of ntuple filters or provided location exceed max %d.\n",
+ max_location);
return -ENOSPC;
}
/* return error if not an update and no available filters */
- fltrs_needed = ice_get_open_tunnel_port(hw, &tunnel_port) ? 2 : 1;
+ fltrs_needed = ice_get_open_tunnel_port(hw, &tunnel_port, TNL_ALL) ? 2 : 1;
if (!ice_fdir_find_fltr_by_idx(hw, fsp->location) &&
ice_fdir_num_avail_fltr(hw, pf->vsi[vsi->idx]) < fltrs_needed) {
- dev_err(dev, "Failed to add filter. The maximum number of flow director filters has been reached.\n");
+ dev_err(dev, "Failed to add filter. The maximum number of flow director filters has been reached.\n");
return -ENOSPC;
}
@@ -1684,7 +2055,9 @@ int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
input->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
/* input struct is added to the HW filter list */
- ice_fdir_update_list_entry(pf, input, fsp->location);
+ ret = ice_fdir_update_list_entry(pf, input, fsp->location);
+ if (ret)
+ goto release_lock;
ret = ice_fdir_write_all_fltr(pf, input, true);
if (ret)
@@ -1694,6 +2067,8 @@ int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
remove_sw_rule:
ice_fdir_update_cntrs(hw, input->flow_type, false);
+ /* update sb-filters count, specific to ring->channel */
+ ice_update_per_q_fltr(vsi, input->orig_q_index, false);
list_del(&input->fltr_node);
release_lock:
mutex_unlock(&hw->fdir_fltr_lock);