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skbedit: Add support to mark packets 

This adds support for setting the skb mark.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
This commit is contained in:
Jamal Hadi Salim 2009-12-26 11:12:43 -08:00 committed by Stephen Hemminger
parent 2180b6b50b
commit e04dd30a38
1 changed files with 24 additions and 5 deletions
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29
tc/m_skbedit.c
View File

@ -31,10 +31,13 @@
static void
explain(void)
{
fprintf(stderr, "Usage: ... skbedit "
"queue_mapping QUEUE_MAPPING | priority PRIORITY \n"
"QUEUE_MAPPING = device transmit queue to use\n"
"PRIORITY = classID to assign to priority field\n");
fprintf(stderr, "Usage: ... skbedit <[QM] [PM] [MM]>\n"
"QM = queue_mapping QUEUE_MAPPING\n"
"PM = priority PRIORITY \n"
"MM = mark MARK \n"
"QUEUE_MAPPING = device transmit queue to use\n"
"PRIORITY = classID to assign to priority field\n"
"MARK = firewall mark to set\n");
}
static void
@ -54,7 +57,7 @@ parse_skbedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
struct rtattr *tail;
unsigned int tmp;
__u16 queue_mapping;
__u32 flags = 0, priority;
__u32 flags = 0, priority, mark;
struct tc_skbedit sel = { 0 };
if (matches(*argv, "skbedit") != 0)
@ -80,6 +83,14 @@ parse_skbedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
return -1;
}
ok++;
} else if (matches(*argv, "mark") == 0) {
flags |= SKBEDIT_F_MARK;
NEXT_ARG();
if (get_tc_classid(&mark, *argv)) {
fprintf(stderr, "Illegal mark\n");
return -1;
}
ok++;
} else if (matches(*argv, "help") == 0) {
usage();
} else {
@ -137,6 +148,9 @@ parse_skbedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
if (flags & SKBEDIT_F_PRIORITY)
addattr_l(n, MAX_MSG, TCA_SKBEDIT_PRIORITY,
&priority, sizeof(priority));
if (flags & SKBEDIT_F_MARK)
addattr_l(n, MAX_MSG, TCA_SKBEDIT_MARK,
&mark, sizeof(mark));
tail->rta_len = (char *)NLMSG_TAIL(n) - (char *)tail;
*argc_p = argc;
@ -150,6 +164,7 @@ static int print_skbedit(struct action_util *au, FILE *f, struct rtattr *arg)
struct rtattr *tb[TCA_SKBEDIT_MAX + 1];
SPRINT_BUF(b1);
__u32 *priority;
__u32 *mark;
__u16 *queue_mapping;
if (arg == NULL)
@ -174,6 +189,10 @@ static int print_skbedit(struct action_util *au, FILE *f, struct rtattr *arg)
priority = RTA_DATA(tb[TCA_SKBEDIT_PRIORITY]);
fprintf(f, " priority %s", sprint_tc_classid(*priority, b1));
}
if (tb[TCA_SKBEDIT_MARK] != NULL) {
mark = RTA_DATA(tb[TCA_SKBEDIT_MARK]);
fprintf(f, " mark %d", *mark);
}
if (show_stats) {
if (tb[TCA_SKBEDIT_TM]) {