return 0;
}
+/**
+ * ice_find_prof_id - find profile ID for a given field vector
+ * @hw: pointer to the hardware structure
+ * @blk: HW block
+ * @fv: field vector to search for
+ * @prof_id: receives the profile ID
+ */
+static enum ice_status
+ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
+ struct ice_fv_word *fv, u8 *prof_id)
+{
+ struct ice_es *es = &hw->blk[blk].es;
+ u16 off, i;
+
+ for (i = 0; i < es->count; i++) {
+ off = i * es->fvw;
+
+ if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
+ continue;
+
+ *prof_id = i;
+ return 0;
+ }
+
+ return ICE_ERR_DOES_NOT_EXIST;
+}
+
+/**
+ * ice_prof_id_rsrc_type - get profile ID resource type for a block type
+ * @blk: the block type
+ * @rsrc_type: pointer to variable to receive the resource type
+ */
+static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
+{
+ switch (blk) {
+ case ICE_BLK_RSS:
+ *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
+ break;
+ default:
+ return false;
+ }
+ return true;
+}
+
+/**
+ * ice_alloc_prof_id - allocate profile ID
+ * @hw: pointer to the HW struct
+ * @blk: the block to allocate the profile ID for
+ * @prof_id: pointer to variable to receive the profile ID
+ *
+ * This function allocates a new profile ID, which also corresponds to a Field
+ * Vector (Extraction Sequence) entry.
+ */
+static enum ice_status
+ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
+{
+ enum ice_status status;
+ u16 res_type;
+ u16 get_prof;
+
+ if (!ice_prof_id_rsrc_type(blk, &res_type))
+ return ICE_ERR_PARAM;
+
+ status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
+ if (!status)
+ *prof_id = (u8)get_prof;
+
+ return status;
+}
+
+/**
+ * ice_prof_inc_ref - increment reference count for profile
+ * @hw: pointer to the HW struct
+ * @blk: the block from which to free the profile ID
+ * @prof_id: the profile ID for which to increment the reference count
+ */
+static enum ice_status
+ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
+{
+ if (prof_id > hw->blk[blk].es.count)
+ return ICE_ERR_PARAM;
+
+ hw->blk[blk].es.ref_count[prof_id]++;
+
+ return 0;
+}
+
+/**
+ * ice_write_es - write an extraction sequence to hardware
+ * @hw: pointer to the HW struct
+ * @blk: the block in which to write the extraction sequence
+ * @prof_id: the profile ID to write
+ * @fv: pointer to the extraction sequence to write - NULL to clear extraction
+ */
+static void
+ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
+ struct ice_fv_word *fv)
+{
+ u16 off;
+
+ off = prof_id * hw->blk[blk].es.fvw;
+ if (!fv) {
+ memset(&hw->blk[blk].es.t[off], 0,
+ hw->blk[blk].es.fvw * sizeof(*fv));
+ hw->blk[blk].es.written[prof_id] = false;
+ } else {
+ memcpy(&hw->blk[blk].es.t[off], fv,
+ hw->blk[blk].es.fvw * sizeof(*fv));
+ }
+}
+
/* Block / table section IDs */
static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
/* SWITCH */
ice_free_hw_tbls(hw);
return ICE_ERR_NO_MEMORY;
}
+
+/**
+ * ice_add_prof - add profile
+ * @hw: pointer to the HW struct
+ * @blk: hardware block
+ * @id: profile tracking ID
+ * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
+ * @es: extraction sequence (length of array is determined by the block)
+ *
+ * This function registers a profile, which matches a set of PTGs with a
+ * particular extraction sequence. While the hardware profile is allocated
+ * it will not be written until the first call to ice_add_flow that specifies
+ * the ID value used here.
+ */
+enum ice_status
+ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
+ struct ice_fv_word *es)
+{
+ u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
+ DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT);
+ struct ice_prof_map *prof;
+ enum ice_status status;
+ u32 byte = 0;
+ u8 prof_id;
+
+ bitmap_zero(ptgs_used, ICE_XLT1_CNT);
+
+ mutex_lock(&hw->blk[blk].es.prof_map_lock);
+
+ /* search for existing profile */
+ status = ice_find_prof_id(hw, blk, es, &prof_id);
+ if (status) {
+ /* allocate profile ID */
+ status = ice_alloc_prof_id(hw, blk, &prof_id);
+ if (status)
+ goto err_ice_add_prof;
+
+ /* and write new es */
+ ice_write_es(hw, blk, prof_id, es);
+ }
+
+ ice_prof_inc_ref(hw, blk, prof_id);
+
+ /* add profile info */
+ prof = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*prof), GFP_KERNEL);
+ if (!prof)
+ goto err_ice_add_prof;
+
+ prof->profile_cookie = id;
+ prof->prof_id = prof_id;
+ prof->ptg_cnt = 0;
+ prof->context = 0;
+
+ /* build list of ptgs */
+ while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
+ u32 bit;
+
+ if (!ptypes[byte]) {
+ bytes--;
+ byte++;
+ continue;
+ }
+
+ /* Examine 8 bits per byte */
+ for_each_set_bit(bit, (unsigned long *)&ptypes[byte],
+ BITS_PER_BYTE) {
+ u16 ptype;
+ u8 ptg;
+ u8 m;
+
+ ptype = byte * BITS_PER_BYTE + bit;
+
+ /* The package should place all ptypes in a non-zero
+ * PTG, so the following call should never fail.
+ */
+ if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
+ continue;
+
+ /* If PTG is already added, skip and continue */
+ if (test_bit(ptg, ptgs_used))
+ continue;
+
+ set_bit(ptg, ptgs_used);
+ prof->ptg[prof->ptg_cnt] = ptg;
+
+ if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
+ break;
+
+ /* nothing left in byte, then exit */
+ m = ~((1 << (bit + 1)) - 1);
+ if (!(ptypes[byte] & m))
+ break;
+ }
+
+ bytes--;
+ byte++;
+ }
+
+ list_add(&prof->list, &hw->blk[blk].es.prof_map);
+ status = 0;
+
+err_ice_add_prof:
+ mutex_unlock(&hw->blk[blk].es.prof_map_lock);
+ return status;
+}
ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 2, sizeof(__be16)),
};
+/* Bitmaps indicating relevant packet types for a particular protocol header
+ *
+ * Packet types for packets with an Outer/First/Single IPv4 header
+ */
+static const u32 ice_ptypes_ipv4_ofos[] = {
+ 0x1DC00000, 0x04000800, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* Packet types for packets with an Innermost/Last IPv4 header */
+static const u32 ice_ptypes_ipv4_il[] = {
+ 0xE0000000, 0xB807700E, 0x80000003, 0xE01DC03B,
+ 0x0000000E, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* Packet types for packets with an Outer/First/Single IPv6 header */
+static const u32 ice_ptypes_ipv6_ofos[] = {
+ 0x00000000, 0x00000000, 0x77000000, 0x10002000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* Packet types for packets with an Innermost/Last IPv6 header */
+static const u32 ice_ptypes_ipv6_il[] = {
+ 0x00000000, 0x03B80770, 0x000001DC, 0x0EE00000,
+ 0x00000770, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* UDP Packet types for non-tunneled packets or tunneled
+ * packets with inner UDP.
+ */
+static const u32 ice_ptypes_udp_il[] = {
+ 0x81000000, 0x20204040, 0x04000010, 0x80810102,
+ 0x00000040, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* Packet types for packets with an Innermost/Last TCP header */
+static const u32 ice_ptypes_tcp_il[] = {
+ 0x04000000, 0x80810102, 0x10000040, 0x02040408,
+ 0x00000102, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* Packet types for packets with an Innermost/Last SCTP header */
+static const u32 ice_ptypes_sctp_il[] = {
+ 0x08000000, 0x01020204, 0x20000081, 0x04080810,
+ 0x00000204, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
+/* Manage parameters and info. used during the creation of a flow profile */
+struct ice_flow_prof_params {
+ enum ice_block blk;
+ u16 entry_length; /* # of bytes formatted entry will require */
+ u8 es_cnt;
+ struct ice_flow_prof *prof;
+
+ /* For ACL, the es[0] will have the data of ICE_RX_MDID_PKT_FLAGS_15_0
+ * This will give us the direction flags.
+ */
+ struct ice_fv_word es[ICE_MAX_FV_WORDS];
+ DECLARE_BITMAP(ptypes, ICE_FLOW_PTYPE_MAX);
+};
+
+#define ICE_FLOW_SEG_HDRS_L3_MASK \
+ (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6)
+#define ICE_FLOW_SEG_HDRS_L4_MASK \
+ (ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_SCTP)
+
+/**
+ * ice_flow_val_hdrs - validates packet segments for valid protocol headers
+ * @segs: array of one or more packet segments that describe the flow
+ * @segs_cnt: number of packet segments provided
+ */
+static enum ice_status
+ice_flow_val_hdrs(struct ice_flow_seg_info *segs, u8 segs_cnt)
+{
+ u8 i;
+
+ for (i = 0; i < segs_cnt; i++) {
+ /* Multiple L3 headers */
+ if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK &&
+ !is_power_of_2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK))
+ return ICE_ERR_PARAM;
+
+ /* Multiple L4 headers */
+ if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK &&
+ !is_power_of_2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK))
+ return ICE_ERR_PARAM;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_flow_proc_seg_hdrs - process protocol headers present in pkt segments
+ * @params: information about the flow to be processed
+ *
+ * This function identifies the packet types associated with the protocol
+ * headers being present in packet segments of the specified flow profile.
+ */
+static enum ice_status
+ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params)
+{
+ struct ice_flow_prof *prof;
+ u8 i;
+
+ memset(params->ptypes, 0xff, sizeof(params->ptypes));
+
+ prof = params->prof;
+
+ for (i = 0; i < params->prof->segs_cnt; i++) {
+ const unsigned long *src;
+ u32 hdrs;
+
+ hdrs = prof->segs[i].hdrs;
+
+ if (hdrs & ICE_FLOW_SEG_HDR_IPV4) {
+ src = !i ? (const unsigned long *)ice_ptypes_ipv4_ofos :
+ (const unsigned long *)ice_ptypes_ipv4_il;
+ bitmap_and(params->ptypes, params->ptypes, src,
+ ICE_FLOW_PTYPE_MAX);
+ } else if (hdrs & ICE_FLOW_SEG_HDR_IPV6) {
+ src = !i ? (const unsigned long *)ice_ptypes_ipv6_ofos :
+ (const unsigned long *)ice_ptypes_ipv6_il;
+ bitmap_and(params->ptypes, params->ptypes, src,
+ ICE_FLOW_PTYPE_MAX);
+ }
+
+ if (hdrs & ICE_FLOW_SEG_HDR_UDP) {
+ src = (const unsigned long *)ice_ptypes_udp_il;
+ bitmap_and(params->ptypes, params->ptypes, src,
+ ICE_FLOW_PTYPE_MAX);
+ } else if (hdrs & ICE_FLOW_SEG_HDR_TCP) {
+ bitmap_and(params->ptypes, params->ptypes,
+ (const unsigned long *)ice_ptypes_tcp_il,
+ ICE_FLOW_PTYPE_MAX);
+ } else if (hdrs & ICE_FLOW_SEG_HDR_SCTP) {
+ src = (const unsigned long *)ice_ptypes_sctp_il;
+ bitmap_and(params->ptypes, params->ptypes, src,
+ ICE_FLOW_PTYPE_MAX);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * ice_flow_xtract_fld - Create an extraction sequence entry for the given field
+ * @hw: pointer to the HW struct
+ * @params: information about the flow to be processed
+ * @seg: packet segment index of the field to be extracted
+ * @fld: ID of field to be extracted
+ *
+ * This function determines the protocol ID, offset, and size of the given
+ * field. It then allocates one or more extraction sequence entries for the
+ * given field, and fill the entries with protocol ID and offset information.
+ */
+static enum ice_status
+ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
+ u8 seg, enum ice_flow_field fld)
+{
+ enum ice_prot_id prot_id = ICE_PROT_ID_INVAL;
+ u8 fv_words = hw->blk[params->blk].es.fvw;
+ struct ice_flow_fld_info *flds;
+ u16 cnt, ese_bits, i;
+ u16 off;
+
+ flds = params->prof->segs[seg].fields;
+
+ switch (fld) {
+ case ICE_FLOW_FIELD_IDX_IPV4_SA:
+ case ICE_FLOW_FIELD_IDX_IPV4_DA:
+ prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
+ break;
+ case ICE_FLOW_FIELD_IDX_IPV6_SA:
+ case ICE_FLOW_FIELD_IDX_IPV6_DA:
+ prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
+ break;
+ case ICE_FLOW_FIELD_IDX_TCP_SRC_PORT:
+ case ICE_FLOW_FIELD_IDX_TCP_DST_PORT:
+ prot_id = ICE_PROT_TCP_IL;
+ break;
+ case ICE_FLOW_FIELD_IDX_UDP_SRC_PORT:
+ case ICE_FLOW_FIELD_IDX_UDP_DST_PORT:
+ prot_id = ICE_PROT_UDP_IL_OR_S;
+ break;
+ default:
+ return ICE_ERR_NOT_IMPL;
+ }
+
+ /* Each extraction sequence entry is a word in size, and extracts a
+ * word-aligned offset from a protocol header.
+ */
+ ese_bits = ICE_FLOW_FV_EXTRACT_SZ * BITS_PER_BYTE;
+
+ flds[fld].xtrct.prot_id = prot_id;
+ flds[fld].xtrct.off = (ice_flds_info[fld].off / ese_bits) *
+ ICE_FLOW_FV_EXTRACT_SZ;
+ flds[fld].xtrct.disp = (u8)(ice_flds_info[fld].off % ese_bits);
+ flds[fld].xtrct.idx = params->es_cnt;
+
+ /* Adjust the next field-entry index after accommodating the number of
+ * entries this field consumes
+ */
+ cnt = DIV_ROUND_UP(flds[fld].xtrct.disp + ice_flds_info[fld].size,
+ ese_bits);
+
+ /* Fill in the extraction sequence entries needed for this field */
+ off = flds[fld].xtrct.off;
+ for (i = 0; i < cnt; i++) {
+ u8 idx;
+
+ /* Make sure the number of extraction sequence required
+ * does not exceed the block's capability
+ */
+ if (params->es_cnt >= fv_words)
+ return ICE_ERR_MAX_LIMIT;
+
+ /* some blocks require a reversed field vector layout */
+ if (hw->blk[params->blk].es.reverse)
+ idx = fv_words - params->es_cnt - 1;
+ else
+ idx = params->es_cnt;
+
+ params->es[idx].prot_id = prot_id;
+ params->es[idx].off = off;
+ params->es_cnt++;
+
+ off += ICE_FLOW_FV_EXTRACT_SZ;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_flow_create_xtrct_seq - Create an extraction sequence for given segments
+ * @hw: pointer to the HW struct
+ * @params: information about the flow to be processed
+ *
+ * This function iterates through all matched fields in the given segments, and
+ * creates an extraction sequence for the fields.
+ */
+static enum ice_status
+ice_flow_create_xtrct_seq(struct ice_hw *hw,
+ struct ice_flow_prof_params *params)
+{
+ struct ice_flow_prof *prof = params->prof;
+ enum ice_status status = 0;
+ u8 i;
+
+ for (i = 0; i < prof->segs_cnt; i++) {
+ u8 j;
+
+ for_each_set_bit(j, (unsigned long *)&prof->segs[i].match,
+ ICE_FLOW_FIELD_IDX_MAX) {
+ status = ice_flow_xtract_fld(hw, params, i,
+ (enum ice_flow_field)j);
+ if (status)
+ return status;
+ }
+ }
+
+ return status;
+}
+
+/**
+ * ice_flow_proc_segs - process all packet segments associated with a profile
+ * @hw: pointer to the HW struct
+ * @params: information about the flow to be processed
+ */
+static enum ice_status
+ice_flow_proc_segs(struct ice_hw *hw, struct ice_flow_prof_params *params)
+{
+ enum ice_status status;
+
+ status = ice_flow_proc_seg_hdrs(params);
+ if (status)
+ return status;
+
+ status = ice_flow_create_xtrct_seq(hw, params);
+ if (status)
+ return status;
+
+ switch (params->blk) {
+ case ICE_BLK_RSS:
+ /* Only header information is provided for RSS configuration.
+ * No further processing is needed.
+ */
+ status = 0;
+ break;
+ default:
+ return ICE_ERR_NOT_IMPL;
+ }
+
+ return status;
+}
+
+/**
+ * ice_flow_add_prof_sync - Add a flow profile for packet segments and fields
+ * @hw: pointer to the HW struct
+ * @blk: classification stage
+ * @dir: flow direction
+ * @prof_id: unique ID to identify this flow profile
+ * @segs: array of one or more packet segments that describe the flow
+ * @segs_cnt: number of packet segments provided
+ * @prof: stores the returned flow profile added
+ *
+ * Assumption: the caller has acquired the lock to the profile list
+ */
+static enum ice_status
+ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk,
+ enum ice_flow_dir dir, u64 prof_id,
+ struct ice_flow_seg_info *segs, u8 segs_cnt,
+ struct ice_flow_prof **prof)
+{
+ struct ice_flow_prof_params params;
+ enum ice_status status;
+ u8 i;
+
+ if (!prof)
+ return ICE_ERR_BAD_PTR;
+
+ memset(¶ms, 0, sizeof(params));
+ params.prof = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*params.prof),
+ GFP_KERNEL);
+ if (!params.prof)
+ return ICE_ERR_NO_MEMORY;
+
+ /* initialize extraction sequence to all invalid (0xff) */
+ 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;
+ }
+
+ params.blk = blk;
+ params.prof->id = prof_id;
+ params.prof->dir = dir;
+ params.prof->segs_cnt = segs_cnt;
+
+ /* Make a copy of the segments that need to be persistent in the flow
+ * profile instance
+ */
+ for (i = 0; i < segs_cnt; i++)
+ memcpy(¶ms.prof->segs[i], &segs[i], sizeof(*segs));
+
+ status = ice_flow_proc_segs(hw, ¶ms);
+ if (status) {
+ ice_debug(hw, ICE_DBG_FLOW,
+ "Error processing a flow's packet segments\n");
+ goto out;
+ }
+
+ /* Add a HW profile for this flow profile */
+ status = ice_add_prof(hw, blk, prof_id, (u8 *)params.ptypes, params.es);
+ if (status) {
+ ice_debug(hw, ICE_DBG_FLOW, "Error adding a HW flow profile\n");
+ goto out;
+ }
+
+ INIT_LIST_HEAD(¶ms.prof->entries);
+ mutex_init(¶ms.prof->entries_lock);
+ *prof = params.prof;
+
+out:
+ if (status)
+ devm_kfree(ice_hw_to_dev(hw), params.prof);
+
+ return status;
+}
+
+/**
+ * ice_flow_add_prof - Add a flow profile for packet segments and matched fields
+ * @hw: pointer to the HW struct
+ * @blk: classification stage
+ * @dir: flow direction
+ * @prof_id: unique ID to identify this flow profile
+ * @segs: array of one or more packet segments that describe the flow
+ * @segs_cnt: number of packet segments provided
+ */
+static enum ice_status
+ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
+ u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt)
+{
+ struct ice_flow_prof *prof = NULL;
+ enum ice_status status;
+
+ if (segs_cnt > ICE_FLOW_SEG_MAX)
+ return ICE_ERR_MAX_LIMIT;
+
+ if (!segs_cnt)
+ return ICE_ERR_PARAM;
+
+ if (!segs)
+ return ICE_ERR_BAD_PTR;
+
+ status = ice_flow_val_hdrs(segs, segs_cnt);
+ if (status)
+ return status;
+
+ mutex_lock(&hw->fl_profs_locks[blk]);
+
+ status = ice_flow_add_prof_sync(hw, blk, dir, prof_id, segs, segs_cnt,
+ &prof);
+ if (!status)
+ list_add(&prof->l_entry, &hw->fl_profs[blk]);
+
+ mutex_unlock(&hw->fl_profs_locks[blk]);
+
+ return status;
+}
+
/**
* ice_flow_set_fld_ext - specifies locations of field from entry's input buffer
* @seg: packet segment the field being set belongs to
return 0;
}
+#define ICE_FLOW_PROF_HASH_S 0
+#define ICE_FLOW_PROF_HASH_M (0xFFFFFFFFULL << ICE_FLOW_PROF_HASH_S)
+#define ICE_FLOW_PROF_HDR_S 32
+#define ICE_FLOW_PROF_HDR_M (0x3FFFFFFFULL << ICE_FLOW_PROF_HDR_S)
+#define ICE_FLOW_PROF_ENCAP_S 63
+#define ICE_FLOW_PROF_ENCAP_M (BIT_ULL(ICE_FLOW_PROF_ENCAP_S))
+
#define ICE_RSS_OUTER_HEADERS 1
+/* Flow profile ID format:
+ * [0:31] - Packet match fields
+ * [32:62] - Protocol header
+ * [63] - Encapsulation flag, 0 if non-tunneled, 1 if tunneled
+ */
+#define ICE_FLOW_GEN_PROFID(hash, hdr, segs_cnt) \
+ (u64)(((u64)(hash) & ICE_FLOW_PROF_HASH_M) | \
+ (((u64)(hdr) << ICE_FLOW_PROF_HDR_S) & ICE_FLOW_PROF_HDR_M) | \
+ ((u8)((segs_cnt) - 1) ? ICE_FLOW_PROF_ENCAP_M : 0))
+
/**
* ice_add_rss_cfg_sync - add an RSS configuration
+ * @hw: pointer to the hardware structure
* @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
* @addl_hdrs: protocol header fields
* @segs_cnt: packet segment count
* Assumption: lock has already been acquired for RSS list
*/
static enum ice_status
-ice_add_rss_cfg_sync(u64 hashed_flds, u32 addl_hdrs, u8 segs_cnt)
+ice_add_rss_cfg_sync(struct ice_hw *hw, u64 hashed_flds, u32 addl_hdrs,
+ u8 segs_cnt)
{
struct ice_flow_seg_info *segs;
enum ice_status status;
/* Construct the packet segment info from the hashed fields */
status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
addl_hdrs);
-
+ if (status)
+ goto exit;
+
+ /* Create a new flow profile with generated profile and packet
+ * segment information.
+ */
+ status = ice_flow_add_prof(hw, ICE_BLK_RSS, ICE_FLOW_RX,
+ ICE_FLOW_GEN_PROFID(hashed_flds,
+ segs[segs_cnt - 1].hdrs,
+ segs_cnt),
+ segs, segs_cnt);
+
+exit:
kfree(segs);
return status;
}
return ICE_ERR_PARAM;
mutex_lock(&hw->rss_locks);
- status = ice_add_rss_cfg_sync(hashed_flds, addl_hdrs,
+ status = ice_add_rss_cfg_sync(hw, hashed_flds, addl_hdrs,
ICE_RSS_OUTER_HEADERS);
mutex_unlock(&hw->rss_locks);
mutex_lock(&hw->rss_locks);
list_for_each_entry(r, &hw->rss_list_head, l_entry) {
if (test_bit(vsi_handle, r->vsis)) {
- status = ice_add_rss_cfg_sync(r->hashed_flds,
+ status = ice_add_rss_cfg_sync(hw, r->hashed_flds,
r->packet_hdr,
ICE_RSS_OUTER_HEADERS);
if (status)
projects / platform / kernel / linux-starfive.git / commitdiff