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Message-ID: <20240710204015.124233-12-ahmed.zaki@intel.com>
Date: Wed, 10 Jul 2024 14:40:13 -0600
From: Ahmed Zaki <ahmed.zaki@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
horms@...nel.org,
Junfeng Guo <junfeng.guo@...el.com>,
Marcin Szycik <marcin.szycik@...ux.intel.com>,
Ahmed Zaki <ahmed.zaki@...el.com>
Subject: [PATCH iwl-next v3 11/13] ice: enable FDIR filters from raw binary patterns for VFs
From: Junfeng Guo <junfeng.guo@...el.com>
Enable VFs to create FDIR filters from raw binary patterns.
The corresponding processes for raw flow are added in the
Parse / Create / Destroy stages.
Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
Co-developed-by: Ahmed Zaki <ahmed.zaki@...el.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@...el.com>
---
.../net/ethernet/intel/ice/ice_flex_pipe.c | 48 +++
.../net/ethernet/intel/ice/ice_flex_pipe.h | 3 +
drivers/net/ethernet/intel/ice/ice_flow.c | 106 +++++
drivers/net/ethernet/intel/ice/ice_flow.h | 5 +
drivers/net/ethernet/intel/ice/ice_vf_lib.h | 8 +
.../ethernet/intel/ice/ice_virtchnl_fdir.c | 404 +++++++++++++++++-
6 files changed, 566 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index a750d7e1edd8..51aa6525565c 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
@@ -4146,6 +4146,54 @@ ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
return status;
}
+/**
+ * ice_flow_assoc_fdir_prof - add a FDIR profile for main/ctrl VSI
+ * @hw: pointer to the HW struct
+ * @blk: HW block
+ * @dest_vsi: dest VSI
+ * @fdir_vsi: fdir programming VSI
+ * @hdl: profile handle
+ *
+ * Update the hardware tables to enable the FDIR profile indicated by @hdl for
+ * the VSI specified by @dest_vsi. On success, the flow will be enabled.
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+int
+ice_flow_assoc_fdir_prof(struct ice_hw *hw, enum ice_block blk,
+ u16 dest_vsi, u16 fdir_vsi, u64 hdl)
+{
+ int status = 0;
+ u16 vsi_num;
+
+ if (blk != ICE_BLK_FD)
+ return -EINVAL;
+
+ vsi_num = ice_get_hw_vsi_num(hw, dest_vsi);
+ status = ice_add_prof_id_flow(hw, blk, vsi_num, hdl);
+ if (status) {
+ ice_debug(hw, ICE_DBG_FLOW, "HW profile add failed for main VSI flow entry: %d\n",
+ status);
+ return status;
+ }
+
+ vsi_num = ice_get_hw_vsi_num(hw, fdir_vsi);
+ status = ice_add_prof_id_flow(hw, blk, vsi_num, hdl);
+ if (status) {
+ ice_debug(hw, ICE_DBG_FLOW, "HW profile add failed for ctrl VSI flow entry: %d\n",
+ status);
+ goto err;
+ }
+
+ return 0;
+
+err:
+ vsi_num = ice_get_hw_vsi_num(hw, dest_vsi);
+ ice_rem_prof_id_flow(hw, blk, vsi_num, hdl);
+
+ return status;
+}
+
/**
* ice_rem_prof_from_list - remove a profile from list
* @hw: pointer to the HW struct
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
index 7c66652dadd6..90b9b0993122 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
@@ -51,6 +51,9 @@ int
ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl);
int
ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl);
+int
+ice_flow_assoc_fdir_prof(struct ice_hw *hw, enum ice_block blk,
+ u16 dest_vsi, u16 fdir_vsi, u64 hdl);
enum ice_ddp_state ice_init_pkg(struct ice_hw *hw, u8 *buff, u32 len);
enum ice_ddp_state
ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len);
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c
index 79106503194b..99d584f46c23 100644
--- a/drivers/net/ethernet/intel/ice/ice_flow.c
+++ b/drivers/net/ethernet/intel/ice/ice_flow.c
@@ -409,6 +409,29 @@ static const u32 ice_ptypes_gtpc_tid[] = {
};
/* Packet types for GTPU */
+static const struct ice_ptype_attributes ice_attr_gtpu_session[] = {
+ { ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
+ { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_SESSION },
+};
+
static const struct ice_ptype_attributes ice_attr_gtpu_eh[] = {
{ ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
{ ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
@@ -1523,6 +1546,89 @@ ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk,
return status;
}
+#define FLAG_GTP_EH_PDU_LINK BIT_ULL(13)
+#define FLAG_GTP_EH_PDU BIT_ULL(14)
+
+#define HI_BYTE_IN_WORD GENMASK(15, 8)
+#define LO_BYTE_IN_WORD GENMASK(7, 0)
+
+#define FLAG_GTPU_MSK \
+ (FLAG_GTP_EH_PDU | FLAG_GTP_EH_PDU_LINK)
+#define FLAG_GTPU_UP \
+ (FLAG_GTP_EH_PDU | FLAG_GTP_EH_PDU_LINK)
+#define FLAG_GTPU_DW FLAG_GTP_EH_PDU
+/**
+ * ice_flow_set_parser_prof - Set flow profile based on the parsed profile info
+ * @hw: pointer to the HW struct
+ * @dest_vsi: dest VSI
+ * @fdir_vsi: fdir programming VSI
+ * @prof: stores parsed profile info from raw flow
+ * @blk: classification blk
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+int
+ice_flow_set_parser_prof(struct ice_hw *hw, u16 dest_vsi, u16 fdir_vsi,
+ struct ice_parser_profile *prof, enum ice_block blk)
+{
+ u64 id = find_first_bit(prof->ptypes, ICE_FLOW_PTYPE_MAX);
+ struct ice_flow_prof_params *params __free(kfree);
+ u8 fv_words = hw->blk[blk].es.fvw;
+ int status;
+ int i, idx;
+
+ params = kzalloc(sizeof(*params), GFP_KERNEL);
+ if (!params)
+ return -ENOMEM;
+
+ for (i = 0; i < ICE_MAX_FV_WORDS; i++) {
+ params->es[i].prot_id = ICE_PROT_INVALID;
+ params->es[i].off = ICE_FV_OFFSET_INVAL;
+ }
+
+ for (i = 0; i < prof->fv_num; i++) {
+ if (hw->blk[blk].es.reverse)
+ idx = fv_words - i - 1;
+ else
+ idx = i;
+ params->es[idx].prot_id = prof->fv[i].proto_id;
+ params->es[idx].off = prof->fv[i].offset;
+ params->mask[idx] = (((prof->fv[i].msk) << BITS_PER_BYTE) &
+ HI_BYTE_IN_WORD) |
+ (((prof->fv[i].msk) >> BITS_PER_BYTE) &
+ LO_BYTE_IN_WORD);
+ }
+
+ switch (prof->flags) {
+ case FLAG_GTPU_DW:
+ params->attr = ice_attr_gtpu_down;
+ params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_down);
+ break;
+ case FLAG_GTPU_UP:
+ params->attr = ice_attr_gtpu_up;
+ params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_up);
+ break;
+ default:
+ if (prof->flags_msk & FLAG_GTPU_MSK) {
+ params->attr = ice_attr_gtpu_session;
+ params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_session);
+ }
+ break;
+ }
+
+ status = ice_add_prof(hw, blk, id, (u8 *)prof->ptypes,
+ params->attr, params->attr_cnt,
+ params->es, params->mask, false, false);
+ if (status)
+ return status;
+
+ status = ice_flow_assoc_fdir_prof(hw, blk, dest_vsi, fdir_vsi, id);
+ if (status)
+ ice_rem_prof(hw, blk, id);
+
+ return status;
+}
+
/**
* ice_flow_add_prof - Add a flow profile for packet segments and matched fields
* @hw: pointer to the HW struct
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.h b/drivers/net/ethernet/intel/ice/ice_flow.h
index 2fd2e0cb483d..6cb7bb879c98 100644
--- a/drivers/net/ethernet/intel/ice/ice_flow.h
+++ b/drivers/net/ethernet/intel/ice/ice_flow.h
@@ -5,6 +5,7 @@
#define _ICE_FLOW_H_
#include "ice_flex_type.h"
+#include "ice_parser.h"
#define ICE_FLOW_ENTRY_HANDLE_INVAL 0
#define ICE_FLOW_FLD_OFF_INVAL 0xffff
@@ -326,6 +327,7 @@ enum ice_rss_cfg_hdr_type {
ICE_RSS_ANY_HEADERS
};
+struct ice_vsi;
struct ice_rss_hash_cfg {
u32 addl_hdrs; /* protocol header fields */
u64 hash_flds; /* hash bit field (ICE_FLOW_HASH_*) to configure */
@@ -445,6 +447,9 @@ ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
bool symm, struct ice_flow_prof **prof);
int ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
int
+ice_flow_set_parser_prof(struct ice_hw *hw, u16 dest_vsi, u16 fdir_vsi,
+ struct ice_parser_profile *prof, enum ice_block blk);
+int
ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
u64 entry_id, u16 vsi, enum ice_flow_priority prio,
void *data, u64 *entry_h);
diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.h b/drivers/net/ethernet/intel/ice/ice_vf_lib.h
index fec16919ec19..be4266899690 100644
--- a/drivers/net/ethernet/intel/ice/ice_vf_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.h
@@ -12,6 +12,7 @@
#include <net/devlink.h>
#include <linux/avf/virtchnl.h>
#include "ice_type.h"
+#include "ice_flow.h"
#include "ice_virtchnl_fdir.h"
#include "ice_vsi_vlan_ops.h"
@@ -52,6 +53,12 @@ struct ice_mdd_vf_events {
u16 last_printed;
};
+/* Structure to store fdir fv entry */
+struct ice_fdir_prof_info {
+ struct ice_parser_profile prof;
+ u64 fdir_active_cnt;
+};
+
/* VF operations */
struct ice_vf_ops {
enum ice_disq_rst_src reset_type;
@@ -91,6 +98,7 @@ struct ice_vf {
u16 lan_vsi_idx; /* index into PF struct */
u16 ctrl_vsi_idx;
struct ice_vf_fdir fdir;
+ struct ice_fdir_prof_info fdir_prof_info[ICE_MAX_PTGS];
/* first vector index of this VF in the PF space */
int first_vector_idx;
struct ice_sw *vf_sw_id; /* switch ID the VF VSIs connect to */
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c
index b4feb0927687..b9294105b077 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c
@@ -26,6 +26,15 @@ enum ice_fdir_tunnel_type {
ICE_FDIR_TUNNEL_TYPE_NONE = 0,
ICE_FDIR_TUNNEL_TYPE_GTPU,
ICE_FDIR_TUNNEL_TYPE_GTPU_EH,
+ ICE_FDIR_TUNNEL_TYPE_ECPRI,
+ ICE_FDIR_TUNNEL_TYPE_GTPU_INNER,
+ ICE_FDIR_TUNNEL_TYPE_GTPU_EH_INNER,
+ ICE_FDIR_TUNNEL_TYPE_GRE,
+ ICE_FDIR_TUNNEL_TYPE_GTPOGRE,
+ ICE_FDIR_TUNNEL_TYPE_GTPOGRE_INNER,
+ ICE_FDIR_TUNNEL_TYPE_GRE_INNER,
+ ICE_FDIR_TUNNEL_TYPE_L2TPV2,
+ ICE_FDIR_TUNNEL_TYPE_L2TPV2_INNER,
};
struct virtchnl_fdir_fltr_conf {
@@ -33,6 +42,11 @@ struct virtchnl_fdir_fltr_conf {
enum ice_fdir_tunnel_type ttype;
u64 inset_flag;
u32 flow_id;
+
+ struct ice_parser_profile *prof;
+ bool parser_ena;
+ u8 *pkt_buf;
+ u8 pkt_len;
};
struct virtchnl_fdir_inset_map {
@@ -786,6 +800,108 @@ ice_vc_fdir_config_input_set(struct ice_vf *vf, struct virtchnl_fdir_add *fltr,
return ret;
}
+/**
+ * ice_vc_fdir_is_raw_flow
+ * @proto: virtchnl protocol headers
+ *
+ * Check if the FDIR rule is raw flow (protocol agnostic flow) or not.
+ * Note that common FDIR rule must have non-zero proto->count.
+ * Thus, we choose the tunnel_level and count of proto as the indicators.
+ * If both tunnel_level and count of proto are zeros, this FDIR rule will
+ * be regarded as raw flow.
+ *
+ * Returns: true if headers describe raw flow, false otherwise.
+ */
+static bool
+ice_vc_fdir_is_raw_flow(struct virtchnl_proto_hdrs *proto)
+{
+ return (proto->tunnel_level == 0 && proto->count == 0);
+}
+
+/**
+ * ice_vc_fdir_parse_raw
+ * @vf: pointer to the VF info
+ * @proto: virtchnl protocol headers
+ * @conf: FDIR configuration for each filter
+ *
+ * Parse the virtual channel filter's raw flow and store it in @conf
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+static int
+ice_vc_fdir_parse_raw(struct ice_vf *vf,
+ struct virtchnl_proto_hdrs *proto,
+ struct virtchnl_fdir_fltr_conf *conf)
+{
+ u8 *pkt_buf, *msk_buf __free(kfree);
+ struct ice_parser_result rslt;
+ struct ice_pf *pf = vf->pf;
+ struct ice_parser *psr;
+ int status = -ENOMEM;
+ struct ice_hw *hw;
+ u16 udp_port = 0;
+
+ pkt_buf = kzalloc(proto->raw.pkt_len, GFP_KERNEL);
+ msk_buf = kzalloc(proto->raw.pkt_len, GFP_KERNEL);
+ if (!pkt_buf || !msk_buf)
+ goto err_mem_alloc;
+
+ memcpy(pkt_buf, proto->raw.spec, proto->raw.pkt_len);
+ memcpy(msk_buf, proto->raw.mask, proto->raw.pkt_len);
+
+ hw = &pf->hw;
+
+ /* Get raw profile info via Parser Lib */
+ psr = ice_parser_create(hw);
+ if (IS_ERR(psr)) {
+ status = PTR_ERR(psr);
+ goto err_mem_alloc;
+ }
+
+ ice_parser_dvm_set(psr, ice_is_dvm_ena(hw));
+
+ if (ice_get_open_tunnel_port(hw, &udp_port, TNL_VXLAN))
+ ice_parser_vxlan_tunnel_set(psr, udp_port, true);
+
+ status = ice_parser_run(psr, pkt_buf, proto->raw.pkt_len, &rslt);
+ if (status)
+ goto err_parser_destroy;
+
+ if (hw->debug_mask & ICE_DBG_PARSER)
+ ice_parser_result_dump(hw, &rslt);
+
+ conf->prof = kzalloc(sizeof(*conf->prof), GFP_KERNEL);
+ if (!conf->prof) {
+ status = -ENOMEM;
+ goto err_parser_destroy;
+ }
+
+ status = ice_parser_profile_init(&rslt, pkt_buf, msk_buf,
+ proto->raw.pkt_len, ICE_BLK_FD,
+ conf->prof);
+ if (status)
+ goto err_parser_profile_init;
+
+ if (hw->debug_mask & ICE_DBG_PARSER)
+ ice_parser_profile_dump(hw, conf->prof);
+
+ /* Store raw flow info into @conf */
+ conf->pkt_len = proto->raw.pkt_len;
+ conf->pkt_buf = pkt_buf;
+ conf->parser_ena = true;
+
+ ice_parser_destroy(psr);
+ return 0;
+
+err_parser_profile_init:
+ kfree(conf->prof);
+err_parser_destroy:
+ ice_parser_destroy(psr);
+err_mem_alloc:
+ kfree(pkt_buf);
+ return status;
+}
+
/**
* ice_vc_fdir_parse_pattern
* @vf: pointer to the VF info
@@ -813,6 +929,10 @@ ice_vc_fdir_parse_pattern(struct ice_vf *vf, struct virtchnl_fdir_add *fltr,
return -EINVAL;
}
+ /* For raw FDIR filters created by the parser */
+ if (ice_vc_fdir_is_raw_flow(proto))
+ return ice_vc_fdir_parse_raw(vf, proto, conf);
+
for (i = 0; i < proto->count; i++) {
struct virtchnl_proto_hdr *hdr = &proto->proto_hdr[i];
struct ip_esp_hdr *esph;
@@ -1101,8 +1221,10 @@ ice_vc_validate_fdir_fltr(struct ice_vf *vf, struct virtchnl_fdir_add *fltr,
struct virtchnl_proto_hdrs *proto = &fltr->rule_cfg.proto_hdrs;
int ret;
- if (!ice_vc_validate_pattern(vf, proto))
- return -EINVAL;
+ /* For raw FDIR filters created by the parser */
+ if (!ice_vc_fdir_is_raw_flow(proto))
+ if (!ice_vc_validate_pattern(vf, proto))
+ return -EINVAL;
ret = ice_vc_fdir_parse_pattern(vf, fltr, conf);
if (ret)
@@ -1295,11 +1417,15 @@ static int ice_vc_fdir_write_fltr(struct ice_vf *vf,
return -ENOMEM;
ice_fdir_get_prgm_desc(hw, input, &desc, add);
- ret = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun);
- if (ret) {
- dev_dbg(dev, "Gen training pkt for VF %d ptype %d failed\n",
- vf->vf_id, input->flow_type);
- goto err_free_pkt;
+ if (conf->parser_ena) {
+ memcpy(pkt, conf->pkt_buf, conf->pkt_len);
+ } else {
+ ret = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun);
+ if (ret) {
+ dev_dbg(dev, "Gen training pkt for VF %d ptype %d failed\n",
+ vf->vf_id, input->flow_type);
+ goto err_free_pkt;
+ }
}
ret = ice_prgm_fdir_fltr(ctrl_vsi, &desc, pkt);
@@ -1521,6 +1647,16 @@ ice_vf_verify_rx_desc(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx,
return ret;
}
+static int ice_fdir_is_tunnel(enum ice_fdir_tunnel_type ttype)
+{
+ return (ttype == ICE_FDIR_TUNNEL_TYPE_GRE_INNER ||
+ ttype == ICE_FDIR_TUNNEL_TYPE_GTPU_INNER ||
+ ttype == ICE_FDIR_TUNNEL_TYPE_GTPU_EH_INNER ||
+ ttype == ICE_FDIR_TUNNEL_TYPE_GTPOGRE_INNER ||
+ ttype == ICE_FDIR_TUNNEL_TYPE_ECPRI ||
+ ttype == ICE_FDIR_TUNNEL_TYPE_L2TPV2_INNER);
+}
+
/**
* ice_vc_add_fdir_fltr_post
* @vf: pointer to the VF structure
@@ -1781,6 +1917,158 @@ static void ice_vc_fdir_clear_irq_ctx(struct ice_vf *vf)
spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags);
}
+/**
+ * ice_vc_parser_fv_check_diff - check two parsed FDIR profile fv context
+ * @fv_a: struct of parsed FDIR profile field vector
+ * @fv_b: struct of parsed FDIR profile field vector
+ *
+ * Check if the two parsed FDIR profile field vector context are different,
+ * including proto_id, offset and mask.
+ *
+ * Return: true on different, false on otherwise.
+ */
+static bool ice_vc_parser_fv_check_diff(struct ice_parser_fv *fv_a,
+ struct ice_parser_fv *fv_b)
+{
+ return (fv_a->proto_id != fv_b->proto_id ||
+ fv_a->offset != fv_b->offset ||
+ fv_a->msk != fv_b->msk);
+}
+
+/**
+ * ice_vc_parser_fv_save - save parsed FDIR profile fv context
+ * @fv: struct of parsed FDIR profile field vector
+ * @fv_src: parsed FDIR profile field vector context to save
+ *
+ * Save the parsed FDIR profile field vector context, including proto_id,
+ * offset and mask.
+ *
+ * Return: Void.
+ */
+static void ice_vc_parser_fv_save(struct ice_parser_fv *fv,
+ struct ice_parser_fv *fv_src)
+{
+ fv->proto_id = fv_src->proto_id;
+ fv->offset = fv_src->offset;
+ fv->msk = fv_src->msk;
+ fv->spec = 0;
+}
+
+/**
+ * ice_vc_add_fdir_raw - add a raw FDIR filter for VF
+ * @vf: pointer to the VF info
+ * @conf: FDIR configuration for each filter
+ * @v_ret: the final VIRTCHNL code
+ * @stat: pointer to the VIRTCHNL_OP_ADD_FDIR_FILTER
+ * @len: length of the stat
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+static int
+ice_vc_add_fdir_raw(struct ice_vf *vf,
+ struct virtchnl_fdir_fltr_conf *conf,
+ enum virtchnl_status_code *v_ret,
+ struct virtchnl_fdir_add *stat, int len)
+{
+ struct ice_vsi *vf_vsi, *ctrl_vsi;
+ struct ice_fdir_prof_info *pi;
+ struct ice_pf *pf = vf->pf;
+ int ret, ptg, id, i;
+ struct device *dev;
+ struct ice_hw *hw;
+ bool fv_found;
+
+ dev = ice_pf_to_dev(pf);
+ hw = &pf->hw;
+ *v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+
+ id = find_first_bit(conf->prof->ptypes, ICE_FLOW_PTYPE_MAX);
+ ptg = hw->blk[ICE_BLK_FD].xlt1.t[id];
+
+ vf_vsi = ice_get_vf_vsi(vf);
+ if (!vf_vsi) {
+ dev_err(dev, "Can not get FDIR vf_vsi for VF %d\n", vf->vf_id);
+ return -ENODEV;
+ }
+
+ ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx];
+ if (!ctrl_vsi) {
+ dev_err(dev, "Can not get FDIR ctrl_vsi for VF %d\n",
+ vf->vf_id);
+ return -ENODEV;
+ }
+
+ fv_found = false;
+
+ /* Check if profile info already exists, then update the counter */
+ pi = &vf->fdir_prof_info[ptg];
+ if (pi->fdir_active_cnt != 0) {
+ for (i = 0; i < ICE_MAX_FV_WORDS; i++)
+ if (ice_vc_parser_fv_check_diff(&pi->prof.fv[i],
+ &conf->prof->fv[i]))
+ break;
+ if (i == ICE_MAX_FV_WORDS) {
+ fv_found = true;
+ pi->fdir_active_cnt++;
+ }
+ }
+
+ /* HW profile setting is only required for the first time */
+ if (!fv_found) {
+ ret = ice_flow_set_parser_prof(hw, vf_vsi->idx,
+ ctrl_vsi->idx, conf->prof,
+ ICE_BLK_FD);
+
+ if (ret) {
+ *v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
+ dev_dbg(dev, "VF %d: insert hw prof failed\n",
+ vf->vf_id);
+ return ret;
+ }
+ }
+
+ ret = ice_vc_fdir_insert_entry(vf, conf, &conf->flow_id);
+ if (ret) {
+ *v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
+ dev_dbg(dev, "VF %d: insert FDIR list failed\n",
+ vf->vf_id);
+ return ret;
+ }
+
+ ret = ice_vc_fdir_set_irq_ctx(vf, conf,
+ VIRTCHNL_OP_ADD_FDIR_FILTER);
+ if (ret) {
+ dev_dbg(dev, "VF %d: set FDIR context failed\n",
+ vf->vf_id);
+ goto err_rem_entry;
+ }
+
+ ret = ice_vc_fdir_write_fltr(vf, conf, true, false);
+ if (ret) {
+ dev_err(dev, "VF %d: adding FDIR raw flow rule failed, ret:%d\n",
+ vf->vf_id, ret);
+ goto err_clr_irq;
+ }
+
+ /* Save parsed profile fv info of the FDIR rule for the first time */
+ if (!fv_found) {
+ for (i = 0; i < conf->prof->fv_num; i++)
+ ice_vc_parser_fv_save(&pi->prof.fv[i],
+ &conf->prof->fv[i]);
+ pi->prof.fv_num = conf->prof->fv_num;
+ pi->fdir_active_cnt = 1;
+ }
+
+ return 0;
+
+err_clr_irq:
+ ice_vc_fdir_clear_irq_ctx(vf);
+err_rem_entry:
+ ice_vc_fdir_remove_entry(vf, conf, conf->flow_id);
+ return ret;
+}
+
/**
* ice_vc_add_fdir_fltr - add a FDIR filter for VF by the msg buffer
* @vf: pointer to the VF info
@@ -1846,7 +2134,7 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg)
len = sizeof(*stat);
ret = ice_vc_validate_fdir_fltr(vf, fltr, conf);
if (ret) {
- v_ret = VIRTCHNL_STATUS_SUCCESS;
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
stat->status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID;
dev_dbg(dev, "Invalid FDIR filter from VF %d\n", vf->vf_id);
goto err_free_conf;
@@ -1861,6 +2149,15 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg)
goto exit;
}
+ /* For raw FDIR filters created by the parser */
+ if (conf->parser_ena) {
+ ret = ice_vc_add_fdir_raw(vf, conf, &v_ret, stat, len);
+ if (ret)
+ goto err_free_conf;
+ goto exit;
+ }
+
+ is_tun = ice_fdir_is_tunnel(conf->ttype);
ret = ice_vc_fdir_config_input_set(vf, fltr, conf, is_tun);
if (ret) {
v_ret = VIRTCHNL_STATUS_SUCCESS;
@@ -1921,6 +2218,78 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg)
return ret;
}
+/**
+ * ice_vc_del_fdir_raw - delete a raw FDIR filter for VF
+ * @vf: pointer to the VF info
+ * @conf: FDIR configuration for each filter
+ * @v_ret: the final VIRTCHNL code
+ * @stat: pointer to the VIRTCHNL_OP_DEL_FDIR_FILTER
+ * @len: length of the stat
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+static int
+ice_vc_del_fdir_raw(struct ice_vf *vf,
+ struct virtchnl_fdir_fltr_conf *conf,
+ enum virtchnl_status_code *v_ret,
+ struct virtchnl_fdir_del *stat, int len)
+{
+ struct ice_vsi *vf_vsi, *ctrl_vsi;
+ enum ice_block blk = ICE_BLK_FD;
+ struct ice_fdir_prof_info *pi;
+ struct ice_pf *pf = vf->pf;
+ struct device *dev;
+ struct ice_hw *hw;
+ u16 vsi_num;
+ int ptg;
+ int ret;
+ int id;
+
+ dev = ice_pf_to_dev(pf);
+ hw = &pf->hw;
+ *v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE;
+
+ id = find_first_bit(conf->prof->ptypes, ICE_FLOW_PTYPE_MAX);
+ ptg = hw->blk[ICE_BLK_FD].xlt1.t[id];
+
+ ret = ice_vc_fdir_write_fltr(vf, conf, false, false);
+ if (ret) {
+ dev_err(dev, "VF %u: deleting FDIR raw flow rule failed: %d\n",
+ vf->vf_id, ret);
+ return ret;
+ }
+
+ vf_vsi = ice_get_vf_vsi(vf);
+ if (!vf_vsi) {
+ dev_err(dev, "Can not get FDIR vf_vsi for VF %u\n", vf->vf_id);
+ return -ENODEV;
+ }
+
+ ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx];
+ if (!ctrl_vsi) {
+ dev_err(dev, "Can not get FDIR ctrl_vsi for VF %u\n",
+ vf->vf_id);
+ return -ENODEV;
+ }
+
+ pi = &vf->fdir_prof_info[ptg];
+ if (pi->fdir_active_cnt != 0) {
+ pi->fdir_active_cnt--;
+ /* Remove the profile id flow if no active FDIR rule left */
+ if (!pi->fdir_active_cnt) {
+ vsi_num = ice_get_hw_vsi_num(hw, ctrl_vsi->idx);
+ ice_rem_prof_id_flow(hw, blk, vsi_num, id);
+
+ vsi_num = ice_get_hw_vsi_num(hw, vf_vsi->idx);
+ ice_rem_prof_id_flow(hw, blk, vsi_num, id);
+ }
+ }
+
+ conf->parser_ena = false;
+ return 0;
+}
+
/**
* ice_vc_del_fdir_fltr - delete a FDIR filter for VF by the msg buffer
* @vf: pointer to the VF info
@@ -1933,7 +2302,10 @@ int ice_vc_del_fdir_fltr(struct ice_vf *vf, u8 *msg)
struct virtchnl_fdir_del *fltr = (struct virtchnl_fdir_del *)msg;
struct virtchnl_fdir_del *stat = NULL;
struct virtchnl_fdir_fltr_conf *conf;
+ struct ice_vf_fdir *fdir = &vf->fdir;
enum virtchnl_status_code v_ret;
+ struct ice_fdir_fltr *input;
+ enum ice_fltr_ptype flow;
struct device *dev;
struct ice_pf *pf;
int is_tun = 0;
@@ -1983,6 +2355,15 @@ int ice_vc_del_fdir_fltr(struct ice_vf *vf, u8 *msg)
goto err_exit;
}
+ /* For raw FDIR filters created by the parser */
+ if (conf->parser_ena) {
+ ret = ice_vc_del_fdir_raw(vf, conf, &v_ret, stat, len);
+ if (ret)
+ goto err_del_tmr;
+ goto exit;
+ }
+
+ is_tun = ice_fdir_is_tunnel(conf->ttype);
ret = ice_vc_fdir_write_fltr(vf, conf, false, is_tun);
if (ret) {
v_ret = VIRTCHNL_STATUS_SUCCESS;
@@ -1992,6 +2373,13 @@ int ice_vc_del_fdir_fltr(struct ice_vf *vf, u8 *msg)
goto err_del_tmr;
}
+ /* Remove unused profiles to avoid unexpected behaviors */
+ input = &conf->input;
+ flow = input->flow_type;
+ if (fdir->fdir_fltr_cnt[flow][is_tun] == 1)
+ ice_vc_fdir_rem_prof(vf, flow, is_tun);
+
+exit:
kfree(stat);
return ret;
--
2.43.0
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