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;
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_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