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Software for White Rabbit PTP Core
Commit 93c5d5d3 authored by Vincent van Beveren's avatar Vincent van Beveren
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added TCP/IP to packet filter rules

parent 501fe048
Pipeline #713 failed with stages
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      tools/pfilter-builder.c
      View file @ 93c5d5d3
      ......@@ -221,18 +221,15 @@ enum pf_symbolic_regs {
      FRAME_TYPE_PTP2,
      FRAME_TYPE_LATENCY,
      FRAME_TYPE_ARP,
      FRAME_ICMP,
      FRAME_UDP,
      FRAME_FOR_2ND_IPV4,
      PORT_UDP_HOST,
      PORT_UDP_ETHERBONE,
      R_TMP,
      /* These are results of logic over the previous bits */
      FRAME_IP_UNI,
      FRAME_IP_OK, /* unicast or broadcast */
      /* A temporary register, and the CPU target */
      FRAME_FOR_2ND,
      FRAME_FOR_CPU, /* must be last */
      };
      ......@@ -379,6 +376,8 @@ void pfilter_init_novlan(char *fname)
      * After these instructions, the whole Eth header is there
      */
      #define FRAME_FOR_2ND R_CLASS(7)
      /* Local frame, using fake MAC: 12:34:56:78:9a:bc */
      pfilter_cmp(0, 0x1234, 0xffff, MOV, FRAME_MAC_OK);
      pfilter_cmp(1, 0x5678, 0xffff, AND, FRAME_MAC_OK);
      ......@@ -410,14 +409,10 @@ void pfilter_init_novlan(char *fname)
      pfilter_cmp(6, 0x0800, 0xffff, MOV, FRAME_TYPE_IPV4);
      pfilter_cmp(6, 0x0806, 0xffff, MOV, FRAME_TYPE_ARP);
      /* Mark one bits for ip-valid (unicast or broadcast) */
      pfilter_logic3(FRAME_IP_OK, FRAME_BROADCAST, OR, FRAME_MAC_OK, AND, FRAME_TYPE_IPV4);
      /* Ethernet = 14 bytes, Offset to type in IP: 8 bytes = 22/2 = 11 */
      pfilter_cmp(11, 0x0001, 0x00ff, MOV, FRAME_ICMP);
      pfilter_cmp(11, 0x0011, 0x00ff, MOV, FRAME_UDP);
      pfilter_logic2(FRAME_UDP, FRAME_UDP, AND, FRAME_IP_OK);
      pfilter_logic2(FRAME_ICMP, FRAME_ICMP, AND, FRAME_IP_OK);
      pfilter_cmp(11, 0x0001, 0x00ff, MOV, FRAME_FOR_2ND_IPV4);
      pfilter_cmp(11, 0x0011, 0x00ff, OR, FRAME_FOR_2ND_IPV4);
      pfilter_cmp(11, 0x0006, 0x00ff, OR, FRAME_FOR_2ND_IPV4);
      #ifdef CONFIG_WR_NIC_CPU
      /* For CPU: icmp unicast or ptp (or latency) */
      ......@@ -429,12 +424,11 @@ void pfilter_init_novlan(char *fname)
      /* For CPU: just ptp (or latency) */
      pfilter_logic2(FRAME_FOR_CPU, FRAME_MAC_PTP, OR, FRAME_TYPE_PTP2);
      //pfilter_logic3(FRAME_FOR_CPU, FRAME_IP_OK, AND, FRAME_ICMP, OR, FRAME_FOR_CPU);
      /* For LM32_2ND: arp or icmp or udp */
      pfilter_logic3(FRAME_FOR_2ND, FRAME_TYPE_ARP, OR, FRAME_ICMP, OR, FRAME_UDP);
      /* For LM32_2ND: arp or icmp or udp or TCP*/
      pfilter_logic3(FRAME_FOR_2ND, FRAME_FOR_2ND_IPV4, AND, FRAME_TYPE_IPV4, OR, FRAME_TYPE_ARP);
      #endif
      /* Now look in UDP ports: at offset 18 (14 + 20 + 8 = 36) */
      pfilter_cmp(18, 0x0000, 0xff00, MOV, PORT_UDP_HOST); /* ports 0-255 */
      pfilter_cmp(18, 0x0100, 0xff00, OR, PORT_UDP_HOST); /* ports 256-511 */
      ......@@ -451,7 +445,7 @@ void pfilter_init_novlan(char *fname)
      //pfilter_logic2(R_CLASS(7), FRAME_UDP, AND, PORT_UDP_ETHERBONE);
      //pfilter_logic2(R_CLASS(6), FRAME_UDP, NAND, PORT_UDP_ETHERBONE);
      /* For LM32_2ND: arp or icmp or udp */
      pfilter_logic2(R_CLASS(7), FRAME_FOR_2ND, OR, FRAME_FOR_2ND);
      // pfilter_logic2(R_CLASS(7), FRAME_FOR_2ND, OR, FRAME_FOR_2ND);
      /* drop anything else */
      pfilter_logic3(R_DROP, FRAME_FOR_CPU, OR, FRAME_FOR_2ND, NOT, R_ZERO);
      ......
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