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Enable filter functionality for DLT_DSA_TAG_DSA and DLT_DSA_TAG_EDSA. #1195

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Enable filter functionality for DLT_DSA_TAG_DSA and DLT_DSA_TAG_EDSA. #1195

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18 changes: 18 additions & 0 deletions gencode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1717,6 +1717,20 @@ init_linktype(compiler_state_t *cstate, pcap_t *p)
cstate->off_nl_nosnap = 3; /* 802.3+802.2 */
break;

case DLT_DSA_TAG_DSA:
cstate->off_linktype.constant_part = 16;
cstate->off_linkpl.constant_part = 18; /* Ethernet header length */
cstate->off_nl = 0; /* Ethernet II */
cstate->off_nl_nosnap = OFFSET_NOT_SET; /* no 802.2 LLC */
break;

case DLT_DSA_TAG_EDSA:
cstate->off_linktype.constant_part = 20;
cstate->off_linkpl.constant_part = 22; /* Ethernet header length */
cstate->off_nl = 0; /* Ethernet II */
cstate->off_nl_nosnap = OFFSET_NOT_SET; /* no 802.2 LLC */
break;

default:
/*
* For values in the range in which we've assigned new
Expand Down Expand Up @@ -7535,6 +7549,8 @@ gen_ecode(compiler_state_t *cstate, const char *s, struct qual q)
case DLT_EN10MB:
case DLT_NETANALYZER:
case DLT_NETANALYZER_TRANSPARENT:
case DLT_DSA_TAG_DSA:
case DLT_DSA_TAG_EDSA:
tmp = gen_prevlinkhdr_check(cstate);
b = gen_ehostop(cstate, cstate->e, (int)q.dir);
if (tmp != NULL)
Expand Down Expand Up @@ -8356,6 +8372,8 @@ gen_multicast(compiler_state_t *cstate, int proto)
case DLT_EN10MB:
case DLT_NETANALYZER:
case DLT_NETANALYZER_TRANSPARENT:
case DLT_DSA_TAG_DSA:
case DLT_DSA_TAG_EDSA:
b1 = gen_prevlinkhdr_check(cstate);
/* ether[0] & 1 != 0 */
b0 = gen_mac_multicast(cstate, 0);
Expand Down