*/
#include "ice_common.h"
+#include "ice_parser_util.h"
+
+#define ICE_SEC_DATA_OFFSET 4
+#define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE 48
+#define ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE 24
+#define ICE_SID_RXPARSER_CAM_ENTRY_SIZE 16
+#define ICE_SID_RXPARSER_PG_SPILL_ENTRY_SIZE 17
+#define ICE_SID_RXPARSER_NOMATCH_CAM_ENTRY_SIZE 12
+#define ICE_SID_RXPARSER_NOMATCH_SPILL_ENTRY_SIZE 13
+#define ICE_SID_RXPARSER_BOOST_TCAM_ENTRY_SIZE 88
+#define ICE_SID_RXPARSER_MARKER_TYPE_ENTRY_SIZE 24
+#define ICE_SID_RXPARSER_MARKER_GRP_ENTRY_SIZE 8
+#define ICE_SID_RXPARSER_PROTO_GRP_ENTRY_SIZE 24
+#define ICE_SID_RXPARSER_FLAG_REDIR_ENTRY_SIZE 1
+
+#define ICE_SEC_LBL_DATA_OFFSET 2
+#define ICE_SID_LBL_ENTRY_SIZE 66
+
+void ice_lbl_dump(struct ice_hw *hw, struct ice_lbl_item *item)
+{
+ ice_info(hw, "index = %d\n", item->idx);
+ ice_info(hw, "label = %s\n", item->label);
+}
+
+void ice_parse_item_dflt(struct ice_hw *hw, u16 idx, void *item,
+ void *data, int size)
+{
+ ice_memcpy(item, data, size, ICE_DMA_TO_NONDMA);
+}
+
+/**
+ * ice_parser_sect_item_get - parse a item from a section
+ * @sect_type: section type
+ * @section: section object
+ * @index: index of the item to get
+ * @offset: dummy as prototype of ice_pkg_enum_entry's last parameter
+ */
+void *ice_parser_sect_item_get(u32 sect_type, void *section,
+ u32 index, u32 *offset)
+{
+ struct ice_pkg_sect_hdr *hdr;
+ int data_off = ICE_SEC_DATA_OFFSET;
+ int size;
+
+ if (!section)
+ return NULL;
+
+ switch (sect_type) {
+ case ICE_SID_RXPARSER_IMEM:
+ size = ICE_SID_RXPARSER_IMEM_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_METADATA_INIT:
+ size = ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_CAM:
+ size = ICE_SID_RXPARSER_CAM_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_PG_SPILL:
+ size = ICE_SID_RXPARSER_PG_SPILL_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_NOMATCH_CAM:
+ size = ICE_SID_RXPARSER_NOMATCH_CAM_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_NOMATCH_SPILL:
+ size = ICE_SID_RXPARSER_NOMATCH_SPILL_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_BOOST_TCAM:
+ size = ICE_SID_RXPARSER_BOOST_TCAM_ENTRY_SIZE;
+ break;
+ case ICE_SID_LBL_RXPARSER_TMEM:
+ data_off = ICE_SEC_LBL_DATA_OFFSET;
+ size = ICE_SID_LBL_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_MARKER_PTYPE:
+ size = ICE_SID_RXPARSER_MARKER_TYPE_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_MARKER_GRP:
+ size = ICE_SID_RXPARSER_MARKER_GRP_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_PROTO_GRP:
+ size = ICE_SID_RXPARSER_PROTO_GRP_ENTRY_SIZE;
+ break;
+ case ICE_SID_RXPARSER_FLAG_REDIR:
+ size = ICE_SID_RXPARSER_FLAG_REDIR_ENTRY_SIZE;
+ break;
+ default:
+ return NULL;
+ }
+
+ hdr = (struct ice_pkg_sect_hdr *)section;
+ if (index >= LE16_TO_CPU(hdr->count))
+ return NULL;
+
+ return (void *)((uintptr_t)section + data_off + index * size);
+}
+
+/**
+ * ice_parser_create_table - create a item table from a section
+ * @hw: pointer to the hardware structure
+ * @sect_type: section type
+ * @item_size: item size in byte
+ * @length: number of items in the table to create
+ * @item_get: the function will be parsed to ice_pkg_enum_entry
+ * @parser_item: the function to parse the item
+ * @no_offset: ignore header offset, calculate index from 0
+ */
+void *ice_parser_create_table(struct ice_hw *hw, u32 sect_type,
+ u32 item_size, u32 length,
+ void *(*item_get)(u32 sect_type, void *section,
+ u32 index, u32 *offset),
+ void (*parse_item)(struct ice_hw *hw, u16 idx,
+ void *item, void *data,
+ int size),
+ bool no_offset)
+{
+ struct ice_seg *seg = hw->seg;
+ struct ice_pkg_enum state;
+ u16 idx = 0xffff;
+ void *table;
+ void *data;
+
+ if (!seg)
+ return NULL;
+
+ table = ice_malloc(hw, item_size * length);
+ if (!table) {
+ ice_debug(hw, ICE_DBG_PARSER, "failed to allocate memory for table type %d.\n",
+ sect_type);
+ return NULL;
+ }
+
+ ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
+ do {
+ data = ice_pkg_enum_entry(seg, &state, sect_type, NULL,
+ item_get);
+ seg = NULL;
+ if (data) {
+ struct ice_pkg_sect_hdr *hdr =
+ (struct ice_pkg_sect_hdr *)state.sect;
+
+ if (no_offset)
+ idx++;
+ else
+ idx = hdr->offset + state.entry_idx;
+ parse_item(hw, idx,
+ (void *)((uintptr_t)table + idx * item_size),
+ data, item_size);
+ }
+ } while (data);
+
+ return table;
+}
/**
* ice_parser_create - create a parser instance
*/
enum ice_status ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
{
+ enum ice_status status;
struct ice_parser *p;
p = (struct ice_parser *)ice_malloc(hw, sizeof(struct ice_parser));
+ p->hw = hw;
+ p->rt.psr = p;
if (!p)
return ICE_ERR_NO_MEMORY;
p->hw = hw;
+ p->imem_table = ice_imem_table_get(hw);
+ if (!p->imem_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->mi_table = ice_metainit_table_get(hw);
+ if (!p->mi_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->pg_cam_table = ice_pg_cam_table_get(hw);
+ if (!p->pg_cam_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->pg_sp_cam_table = ice_pg_sp_cam_table_get(hw);
+ if (!p->pg_sp_cam_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->pg_nm_cam_table = ice_pg_nm_cam_table_get(hw);
+ if (!p->pg_nm_cam_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->pg_nm_sp_cam_table = ice_pg_nm_sp_cam_table_get(hw);
+ if (!p->pg_nm_sp_cam_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->bst_tcam_table = ice_bst_tcam_table_get(hw);
+ if (!p->bst_tcam_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->bst_lbl_table = ice_bst_lbl_table_get(hw);
+ if (!p->bst_lbl_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->ptype_mk_tcam_table = ice_ptype_mk_tcam_table_get(hw);
+ if (!p->ptype_mk_tcam_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->mk_grp_table = ice_mk_grp_table_get(hw);
+ if (!p->mk_grp_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->proto_grp_table = ice_proto_grp_table_get(hw);
+ if (!p->proto_grp_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->flg_rd_table = ice_flg_rd_table_get(hw);
+ if (!p->flg_rd_table) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->xlt_kb_sw = ice_xlt_kb_get_sw(hw);
+ if (!p->xlt_kb_sw) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->xlt_kb_acl = ice_xlt_kb_get_acl(hw);
+ if (!p->xlt_kb_acl) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->xlt_kb_fd = ice_xlt_kb_get_fd(hw);
+ if (!p->xlt_kb_fd) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
+ p->xlt_kb_rss = ice_xlt_kb_get_rss(hw);
+ if (!p->xlt_kb_rss) {
+ status = ICE_ERR_PARAM;
+ goto err;
+ }
+
*psr = p;
return ICE_SUCCESS;
+err:
+ ice_parser_destroy(p);
+ return status;
}
/**
*/
void ice_parser_destroy(struct ice_parser *psr)
{
+ ice_free(psr->hw, psr->imem_table);
+ ice_free(psr->hw, psr->mi_table);
+ ice_free(psr->hw, psr->pg_cam_table);
+ ice_free(psr->hw, psr->pg_sp_cam_table);
+ ice_free(psr->hw, psr->pg_nm_cam_table);
+ ice_free(psr->hw, psr->pg_nm_sp_cam_table);
+ ice_free(psr->hw, psr->bst_tcam_table);
+ ice_free(psr->hw, psr->bst_lbl_table);
+ ice_free(psr->hw, psr->ptype_mk_tcam_table);
+ ice_free(psr->hw, psr->mk_grp_table);
+ ice_free(psr->hw, psr->proto_grp_table);
+ ice_free(psr->hw, psr->flg_rd_table);
+ ice_free(psr->hw, psr->xlt_kb_sw);
+ ice_free(psr->hw, psr->xlt_kb_acl);
+ ice_free(psr->hw, psr->xlt_kb_fd);
+ ice_free(psr->hw, psr->xlt_kb_rss);
+
ice_free(psr->hw, psr);
}
+
+/**
+ * ice_parser_run - parse on a packet in binary and return the result
+ * @psr: pointer to a parser instance
+ * @pkt_buf: packet data
+ * @pkt_len: packet length
+ * @rslt: input/output parameter to save parser result.
+ */
+enum ice_status ice_parser_run(struct ice_parser *psr, const u8 *pkt_buf,
+ int pkt_len, struct ice_parser_result *rslt)
+{
+ ice_parser_rt_reset(&psr->rt);
+ ice_parser_rt_pktbuf_set(&psr->rt, pkt_buf, pkt_len);
+
+ return ice_parser_rt_execute(&psr->rt, rslt);
+}
+
+/**
+ * ice_parser_result_dump - dump a parser result info
+ * @hw: pointer to the hardware structure
+ * @rslt: parser result info to dump
+ */
+void ice_parser_result_dump(struct ice_hw *hw, struct ice_parser_result *rslt)
+{
+ int i;
+
+ ice_info(hw, "ptype = %d\n", rslt->ptype);
+ for (i = 0; i < rslt->po_num; i++)
+ ice_info(hw, "proto = %d, offset = %d\n",
+ rslt->po[i].proto_id, rslt->po[i].offset);
+
+ ice_info(hw, "flags_psr = 0x%016" PRIx64 "\n", rslt->flags_psr);
+ ice_info(hw, "flags_pkt = 0x%016" PRIx64 "\n", rslt->flags_pkt);
+ ice_info(hw, "flags_sw = 0x%04x\n", rslt->flags_sw);
+ ice_info(hw, "flags_fd = 0x%04x\n", rslt->flags_fd);
+ ice_info(hw, "flags_rss = 0x%04x\n", rslt->flags_rss);
+}
+
+static void _bst_vm_set(struct ice_parser *psr, const char *prefix, bool on)
+{
+ struct ice_bst_tcam_item *item;
+ u16 i = 0;
+
+ while (true) {
+ item = ice_bst_tcam_search(psr->bst_tcam_table,
+ psr->bst_lbl_table,
+ prefix, &i);
+ if (!item)
+ break;
+ item->key[0] = (u8)(on ? 0xff : 0xfe);
+ item->key_inv[0] = (u8)(on ? 0xff : 0xfe);
+ i++;
+ }
+}
+
+/**
+ * ice_parser_dvm_set - configure double vlan mode for parser
+ * @psr: pointer to a parser instance
+ */
+void ice_parser_dvm_set(struct ice_parser *psr, bool on)
+{
+ _bst_vm_set(psr, "BOOST_MAC_VLAN_DVM", on);
+ _bst_vm_set(psr, "BOOST_MAC_VLAN_SVM", !on);
+}
+
+static enum ice_status
+_tunnel_port_set(struct ice_parser *psr, const char *prefix, u16 udp_port,
+ bool on)
+{
+ u8 *buf = (u8 *)&udp_port;
+ struct ice_bst_tcam_item *item;
+ u16 i = 0;
+
+ while (true) {
+ item = ice_bst_tcam_search(psr->bst_tcam_table,
+ psr->bst_lbl_table,
+ prefix, &i);
+ if (!item)
+ break;
+
+ /* found empty slot to add */
+ if (on && item->key[16] == 0xfe && item->key_inv[16] == 0xfe) {
+ item->key_inv[15] = buf[0];
+ item->key_inv[16] = buf[1];
+ item->key[15] = (u8)(0xff - buf[0]);
+ item->key[16] = (u8)(0xff - buf[1]);
+
+ return ICE_SUCCESS;
+ /* found a matched slot to delete */
+ } else if (!on && (item->key_inv[15] == buf[0] ||
+ item->key_inv[16] == buf[1])) {
+ item->key_inv[15] = 0xff;
+ item->key_inv[16] = 0xfe;
+ item->key[15] = 0xff;
+ item->key[16] = 0xfe;
+
+ return ICE_SUCCESS;
+ }
+ i++;
+ }
+
+ return ICE_ERR_PARAM;
+}
+
+/**
+ * ice_parser_vxlan_tunnel_set - configure vxlan tunnel for parser
+ * @psr: pointer to a parser instance
+ * @udp_port: vxlan tunnel port in UDP header
+ * @on: true to turn on; false to turn off
+ */
+enum ice_status ice_parser_vxlan_tunnel_set(struct ice_parser *psr,
+ u16 udp_port, bool on)
+{
+ return _tunnel_port_set(psr, "TNL_VXLAN", udp_port, on);
+}
+
+/**
+ * ice_parser_geneve_tunnel_set - configure geneve tunnel for parser
+ * @psr: pointer to a parser instance
+ * @udp_port: geneve tunnel port in UDP header
+ * @on: true to turn on; false to turn off
+ */
+enum ice_status ice_parser_geneve_tunnel_set(struct ice_parser *psr,
+ u16 udp_port, bool on)
+{
+ return _tunnel_port_set(psr, "TNL_GENEVE", udp_port, on);
+}
+
+/**
+ * ice_parser_ecpri_tunnel_set - configure ecpri tunnel for parser
+ * @psr: pointer to a parser instance
+ * @udp_port: ecpri tunnel port in UDP header
+ * @on: true to turn on; false to turn off
+ */
+enum ice_status ice_parser_ecpri_tunnel_set(struct ice_parser *psr,
+ u16 udp_port, bool on)
+{
+ return _tunnel_port_set(psr, "TNL_UDP_ECPRI", udp_port, on);
+}
+
+static bool _nearest_proto_id(struct ice_parser_result *rslt, u16 offset,
+ u8 *proto_id, u16 *proto_off)
+{
+ u16 dist = 0xffff;
+ u8 p = 0;
+ int i;
+
+ for (i = 0; i < rslt->po_num; i++) {
+ if (offset < rslt->po[i].offset)
+ continue;
+ if (offset - rslt->po[i].offset < dist) {
+ p = rslt->po[i].proto_id;
+ dist = offset - rslt->po[i].offset;
+ }
+ }
+
+ if (dist % 2)
+ return false;
+
+ *proto_id = p;
+ *proto_off = dist;
+
+ return true;
+}
+
+/** default flag mask to cover GTP_EH_PDU, GTP_EH_PDU_LINK and TUN2
+ * In future, the flag masks should learn from DDP
+ */
+#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_SW 0x4002
+#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_ACL 0x0000
+#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_FD 0x6080
+#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_RSS 0x6010
+
+/**
+ * ice_parser_profile_init - initialize a FXP profile base on parser result
+ * @rslt: a instance of a parser result
+ * @pkt_buf: packet data buffer
+ * @pkt_msk: packet mask buffer
+ * @pkt_len: packet length
+ * @blk: FXP pipeline stage
+ * @prefix_match: match protocol stack exactly or only prefix
+ * @prof: input/output parameter to save the profile
+ */
+enum ice_status ice_parser_profile_init(struct ice_parser_result *rslt,
+ const u8 *pkt_buf, const u8 *msk_buf,
+ int buf_len, enum ice_block blk,
+ bool prefix_match,
+ struct ice_parser_profile *prof)
+{
+ u8 proto_id = 0xff;
+ u16 proto_off = 0;
+ u16 off;
+
+ ice_memset(prof, 0, sizeof(*prof), ICE_NONDMA_MEM);
+ ice_set_bit(rslt->ptype, prof->ptypes);
+ if (blk == ICE_BLK_SW) {
+ prof->flags = rslt->flags_sw;
+ prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_SW;
+ } else if (blk == ICE_BLK_ACL) {
+ prof->flags = rslt->flags_acl;
+ prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_ACL;
+ } else if (blk == ICE_BLK_FD) {
+ prof->flags = rslt->flags_fd;
+ prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_FD;
+ } else if (blk == ICE_BLK_RSS) {
+ prof->flags = rslt->flags_rss;
+ prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_RSS;
+ } else {
+ return ICE_ERR_PARAM;
+ }
+
+ for (off = 0; off < buf_len - 1; off++) {
+ if (msk_buf[off] == 0 && msk_buf[off + 1] == 0)
+ continue;
+ if (!_nearest_proto_id(rslt, off, &proto_id, &proto_off))
+ continue;
+ if (prof->fv_num >= 32)
+ return ICE_ERR_PARAM;
+
+ prof->fv[prof->fv_num].proto_id = proto_id;
+ prof->fv[prof->fv_num].offset = proto_off;
+ prof->fv[prof->fv_num].spec = *(const u16 *)&pkt_buf[off];
+ prof->fv[prof->fv_num].msk = *(const u16 *)&msk_buf[off];
+ prof->fv_num++;
+ }
+
+ return ICE_SUCCESS;
+}
+
+/**
+ * ice_parser_profile_dump - dump an FXP profile info
+ * @hw: pointer to the hardware structure
+ * @prof: profile info to dump
+ */
+void ice_parser_profile_dump(struct ice_hw *hw, struct ice_parser_profile *prof)
+{
+ u16 i;
+
+ ice_info(hw, "ptypes:\n");
+ for (i = 0; i < ICE_FLOW_PTYPE_MAX; i++)
+ if (ice_is_bit_set(prof->ptypes, i))
+ ice_info(hw, "\t%d\n", i);
+
+ for (i = 0; i < prof->fv_num; i++)
+ ice_info(hw, "proto = %d, offset = %d spec = 0x%04x, mask = 0x%04x\n",
+ prof->fv[i].proto_id, prof->fv[i].offset,
+ prof->fv[i].spec, prof->fv[i].msk);
+
+ ice_info(hw, "flags = 0x%04x\n", prof->flags);
+ ice_info(hw, "flags_msk = 0x%04x\n", prof->flags_msk);
+}
git.droids-corp.org / dpdk.git / blobdiff