2012-06-08 02:23:22

by Ashok Nagarajan

[permalink] [raw]
Subject: [PATCH] iw: Allow basic rates to be configured when joining mesh

Signed-off-by: Ashok Nagarajan <[email protected]>
---
mesh.c | 38 +++++++++++++++++++++++++++++++++++---
1 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/mesh.c b/mesh.c
index f678dc0..76bd6e4 100644
--- a/mesh.c
+++ b/mesh.c
@@ -376,7 +376,10 @@ static int join_mesh(struct nl80211_state *state, struct nl_cb *cb,
{
struct nlattr *container;
float rate;
+ unsigned char rates[NL80211_MAX_SUPP_RATES];
+ int n_rates = 0;
char *end;
+ char *value = NULL, *sptr = NULL;

if (argc < 1)
return 1;
@@ -385,6 +388,34 @@ static int join_mesh(struct nl80211_state *state, struct nl_cb *cb,
argc--;
argv++;

+ /* basic rates */
+ if (argc > 1 && strcmp(argv[0], "basic-rates") == 0) {
+ argv++;
+ argc--;
+
+ value = strtok_r(argv[0], ",", &sptr);
+
+ while (value && n_rates < NL80211_MAX_SUPP_RATES) {
+ rate = strtod(value, &end);
+ rates[n_rates] = rate * 2;
+
+ /* filter out suspicious values */
+ if (*end != '\0' || !rates[n_rates] ||
+ rate*2 != rates[n_rates])
+ return 1;
+
+ n_rates++;
+ value = strtok_r(NULL, ",", &sptr);
+ }
+
+ NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, n_rates, rates);
+
+ argv++;
+ argc--;
+ }
+
+ /* multicast rate */
+
if (argc > 1 && strcmp(argv[0], "mcast-rate") == 0) {
argv++;
argc--;
@@ -424,10 +455,11 @@ static int join_mesh(struct nl80211_state *state, struct nl_cb *cb,
nla_put_failure:
return -ENOBUFS;
}
-COMMAND(mesh, join, "<mesh ID> [mcast-rate <rate in Mbps>] [vendor_sync on|off]"
- " [<param>=<value>]*",
+COMMAND(mesh, join, "<mesh ID> [basic-rates <rate in Mbps,rate2,...>]"
+ "[mcast-rate <rate in Mbps>] [vendor_sync on|off] [<param>=<value>]*",
NL80211_CMD_JOIN_MESH, 0, CIB_NETDEV, join_mesh,
- "Join a mesh with the given mesh ID with mcast-rate and mesh parameters.");
+ "Join a mesh with the given mesh ID with basic-rates,"
+ "mcast-rate and mesh parameters.");

static int leave_mesh(struct nl80211_state *state, struct nl_cb *cb,
struct nl_msg *msg, int argc, char **argv)
--
1.7.5.4