[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20210315154629.652824-1-bjorn.andersson@linaro.org>
Date: Mon, 15 Mar 2021 10:46:29 -0500
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: netdev@...r.kernel.org
Cc: Daniele Palmas <dnlplm@...il.com>, Alex Elder <elder@...aro.org>
Subject: [PATCH v2] iplink_rmnet: Allow passing IFLA_RMNET_FLAGS
Parse and pass IFLA_RMNET_FLAGS to the kernel, to allow changing the
flags from the default of ingress-aggregate only.
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
Changes since v1:
- s/ifla_vlan_flags/ifla_rmnet_flags/ in print_opt
ip/iplink_rmnet.c | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/ip/iplink_rmnet.c b/ip/iplink_rmnet.c
index 1d16440c6900..a847c838def2 100644
--- a/ip/iplink_rmnet.c
+++ b/ip/iplink_rmnet.c
@@ -16,6 +16,10 @@ static void print_explain(FILE *f)
{
fprintf(f,
"Usage: ... rmnet mux_id MUXID\n"
+ " [ingress-deaggregation]\n"
+ " [ingress-commands]\n"
+ " [ingress-chksumv4]\n"
+ " [egress-chksumv4]\n"
"\n"
"MUXID := 1-254\n"
);
@@ -29,6 +33,7 @@ static void explain(void)
static int rmnet_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
+ struct ifla_rmnet_flags flags = { };
__u16 mux_id;
while (argc > 0) {
@@ -37,6 +42,18 @@ static int rmnet_parse_opt(struct link_util *lu, int argc, char **argv,
if (get_u16(&mux_id, *argv, 0))
invarg("mux_id is invalid", *argv);
addattr16(n, 1024, IFLA_RMNET_MUX_ID, mux_id);
+ } else if (matches(*argv, "ingress-deaggregation") == 0) {
+ flags.mask = ~0;
+ flags.flags |= RMNET_FLAGS_INGRESS_DEAGGREGATION;
+ } else if (matches(*argv, "ingress-commands") == 0) {
+ flags.mask = ~0;
+ flags.flags |= RMNET_FLAGS_INGRESS_MAP_COMMANDS;
+ } else if (matches(*argv, "ingress-chksumv4") == 0) {
+ flags.mask = ~0;
+ flags.flags |= RMNET_FLAGS_INGRESS_MAP_CKSUMV4;
+ } else if (matches(*argv, "egress-chksumv4") == 0) {
+ flags.mask = ~0;
+ flags.flags |= RMNET_FLAGS_EGRESS_MAP_CKSUMV4;
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
@@ -48,11 +65,28 @@ static int rmnet_parse_opt(struct link_util *lu, int argc, char **argv,
argc--, argv++;
}
+ if (flags.mask)
+ addattr_l(n, 1024, IFLA_RMNET_FLAGS, &flags, sizeof(flags));
+
return 0;
}
+static void rmnet_print_flags(FILE *fp, __u32 flags)
+{
+ if (flags & RMNET_FLAGS_INGRESS_DEAGGREGATION)
+ print_string(PRINT_ANY, NULL, "%s ", "ingress-deaggregation");
+ if (flags & RMNET_FLAGS_INGRESS_MAP_COMMANDS)
+ print_string(PRINT_ANY, NULL, "%s ", "ingress-commands");
+ if (flags & RMNET_FLAGS_INGRESS_MAP_CKSUMV4)
+ print_string(PRINT_ANY, NULL, "%s ", "ingress-chksumv4");
+ if (flags & RMNET_FLAGS_EGRESS_MAP_CKSUMV4)
+ print_string(PRINT_ANY, NULL, "%s ", "egress-cksumv4");
+}
+
static void rmnet_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
+ struct ifla_rmnet_flags *flags;
+
if (!tb)
return;
@@ -64,6 +98,14 @@ static void rmnet_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
"mux_id",
"mux_id %u ",
rta_getattr_u16(tb[IFLA_RMNET_MUX_ID]));
+
+ if (tb[IFLA_RMNET_FLAGS]) {
+ if (RTA_PAYLOAD(tb[IFLA_RMNET_FLAGS]) < sizeof(*flags))
+ return;
+ flags = RTA_DATA(tb[IFLA_RMNET_FLAGS]);
+
+ rmnet_print_flags(f, flags->flags);
+ }
}
static void rmnet_print_help(struct link_util *lu, int argc, char **argv,
--
2.28.0
Powered by blists - more mailing lists