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ip rule: Honor filter arguments on flush

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'ip ru flush' currently removes all rules with priority > 0 regardless
of any other command line arguments passed in. Update flush_rule to
call filter_nlmsg to determine if the rule should be flushed or not.
This enables rule flushing such as 'ip ru flush table 1001' and
'ip ru flush pref 99'.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
David Ahern 2018-10-30 13:58:56 -07:00 committed by Stephen Hemminger
parent 508f3c231e
commit b65b4c0870
1 changed files with 5 additions and 0 deletions
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5
ip/iprule.c
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@ -461,6 +461,7 @@ static int flush_rule(struct nlmsghdr *n, void *arg)
struct fib_rule_hdr *frh = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *tb[FRA_MAX+1];
int host_len = -1;
len -= NLMSG_LENGTH(sizeof(*frh));
if (len < 0)
@ -468,6 +469,10 @@ static int flush_rule(struct nlmsghdr *n, void *arg)
parse_rtattr(tb, FRA_MAX, RTM_RTA(frh), len);
host_len = af_bit_len(frh->family);
if (!filter_nlmsg(n, tb, host_len))
return 0;
if (tb[FRA_PROTOCOL]) {
__u8 protocol = rta_getattr_u8(tb[FRA_PROTOCOL]);