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tc: p_ip6: Support pedit of IPv6 dsfield

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Support keywords dsfield, traffic_class and tos in the IPv6 context.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Petr Machata 2020-04-04 02:05:29 +03:00 committed by David Ahern
parent 1c3ed78001
commit 2d9a8dc439
2 changed files with 19 additions and 2 deletions
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6
man/man8/tc-pedit.8
View File

@ -60,8 +60,8 @@ pedit - generic packet editor action
.ti -8
.IR IP6HDR_FIELD " := { "
.BR src " | " dst " | " flow_lbl " | " payload_len " | " nexthdr " |"
.BR hoplimit " }"
.BR src " | " dst " | " traffic_class " | " flow_lbl " | " payload_len " | "
.BR nexthdr " | " hoplimit " }"
.ti -8
.IR TCPHDR_FIELD " := { "
@ -229,6 +229,8 @@ are:
.TQ
.B dst
.TQ
.B traffic_class
.TQ
.B flow_lbl
.TQ
.B payload_len

15
tc/p_ip6.c
View File

@ -74,6 +74,21 @@ parse_ip6(int *argc_p, char ***argv_p,
res = parse_cmd(&argc, &argv, 1, TU32, RU8, sel, tkey);
goto done;
}
if (strcmp(*argv, "traffic_class") == 0) {
NEXT_ARG();
tkey->off = 1;
res = parse_cmd(&argc, &argv, 1, TU32, RU8, sel, tkey);
/* Shift the field by 4 bits on success. */
if (!res) {
int nkeys = sel->sel.nkeys;
struct tc_pedit_key *key = &sel->sel.keys[nkeys - 1];
key->mask = htonl(ntohl(key->mask) << 4 | 0xf);
key->val = htonl(ntohl(key->val) << 4);
}
goto done;
}
return -1;