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Date: Thu, 6 Jun 2019 10:52:17 -0700 From: Vedang Patel <vedang.patel@...el.com> To: netdev@...r.kernel.org Cc: jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us, stephen@...workplumber.org, vinicius.gomes@...el.com, leandro.maciel.dorileo@...el.com, jakub.kicinski@...ronome.com, m-karicheri2@...com, Vedang Patel <vedang.patel@...el.com> Subject: [PATCH iproute2 net-next v1 2/6] etf: Add skip_sock_check ETF Qdisc currently checks for a socket with SO_TXTIME socket option. If either is not present, the packet is dropped. In the future commits, we want other Qdiscs to add packet with launchtime to the ETF Qdisc. Also, there are some packets (e.g. ICMP packets) which may not have a socket associated with them. So, add an option to skip this check. Signed-off-by: Vedang Patel <vedang.patel@...el.com> --- tc/q_etf.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/tc/q_etf.c b/tc/q_etf.c index 76aca476..85003dc1 100644 --- a/tc/q_etf.c +++ b/tc/q_etf.c @@ -130,6 +130,13 @@ static int etf_parse_opt(struct qdisc_util *qu, int argc, explain_clockid(*argv); return -1; } + } else if (strcmp(*argv, "skip_sock_check") == 0) { + if (opt.flags & TC_ETF_SKIP_SKB_CHECK) { + fprintf(stderr, "etf: duplicate \"skip_sock_check\" specification\n"); + return -1; + } + + opt.flags |= TC_ETF_SKIP_SKB_CHECK; } else if (strcmp(*argv, "help") == 0) { explain(); return -1; @@ -171,8 +178,10 @@ static int etf_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) print_uint(PRINT_ANY, "delta", "delta %d ", qopt->delta); print_string(PRINT_ANY, "offload", "offload %s ", (qopt->flags & TC_ETF_OFFLOAD_ON) ? "on" : "off"); - print_string(PRINT_ANY, "deadline_mode", "deadline_mode %s", + print_string(PRINT_ANY, "deadline_mode", "deadline_mode %s ", (qopt->flags & TC_ETF_DEADLINE_MODE_ON) ? "on" : "off"); + print_string(PRINT_ANY, "skip_sock_check", "skip_sock_check %s", + (qopt->flags & TC_ETF_SKIP_SKB_CHECK) ? "on" : "off"); return 0; } -- 2.17.0
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