[PATCH 4/8] mesh: Use common freqchan helper for joining a mesh

[Benjamin Berg]

Simplify code by using the helper which has been introduced earlier.

Signed-off-by: Benjamin Berg <benjamin.b...@open-mesh.com>
---
 mesh.c | 67 +++++++++++-------------------------------------------------------
 1 file changed, 11 insertions(+), 56 deletions(-)

diff --git a/mesh.c b/mesh.c
index a0047fe..97f236b 100644
--- a/mesh.c
+++ b/mesh.c
@@ -446,31 +446,6 @@ static int join_mesh(struct nl80211_state *state,
        unsigned char rates[NL80211_MAX_SUPP_RATES];
        int bintval, dtim_period, n_rates = 0;
        char *end, *value = NULL, *sptr = NULL;
-       unsigned int i;
-       unsigned long freq = 0;
-       const struct chanmode *chanmode_selected = NULL;
-       static const struct chanmode chanmode[] = {
-               { .name = "HT20",
-                 .width = NL80211_CHAN_WIDTH_20,
-                 .freq1_diff = 0,
-                 .chantype = NL80211_CHAN_HT20 },
-               { .name = "HT40+",
-                 .width = NL80211_CHAN_WIDTH_40,
-                 .freq1_diff = 10,
-                 .chantype = NL80211_CHAN_HT40PLUS },
-               { .name = "HT40-",
-                 .width = NL80211_CHAN_WIDTH_40,
-                 .freq1_diff = -10,
-                 .chantype = NL80211_CHAN_HT40MINUS },
-               { .name = "NOHT",
-                 .width = NL80211_CHAN_WIDTH_20_NOHT,
-                 .freq1_diff = 0,
-                 .chantype = NL80211_CHAN_NO_HT },
-               { .name = "80MHz",
-                 .width = NL80211_CHAN_WIDTH_80,
-                 .freq1_diff = 0,
-                 .chantype = -1 },
-       };
 
        if (argc < 1)
                return 1;
@@ -481,40 +456,20 @@ static int join_mesh(struct nl80211_state *state,
 
        /* freq */
        if (argc > 1 && strcmp(argv[0], "freq") == 0) {
-               argv++;
-               argc--;
-
-               freq = strtoul(argv[0], &end, 10);
-               if (*end != '\0')
-                       return 1;
-               NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
-
-               argv++;
-               argc--;
-       }
+               struct chandef chandef;
+               int err, parsed;
 
-       /* channel type */
-       if (argc) {
-               for (i = 0; i < ARRAY_SIZE(chanmode); i++) {
-                       if (strcasecmp(chanmode[i].name, argv[0]) == 0) {
-                               chanmode_selected = &chanmode[i];
-                               break;
-                       }
-               }
+               err = parse_freqchan(&chandef, false, argc - 1, argv + 1,
+                                    &parsed);
+               if (err)
+                       return err;
 
-               if (chanmode_selected) {
-                       NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
-                                   chanmode_selected->width);
-                       NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1,
-                                   get_cf1(chanmode_selected, freq));
-                       if (chanmode_selected->chantype != -1)
-                               NLA_PUT_U32(msg,
-                                           NL80211_ATTR_WIPHY_CHANNEL_TYPE,
-                                           chanmode_selected->chantype);
+               argv += parsed + 1;
+               argc -= parsed + 1;
 
-                       argv++;
-                       argc--;
-               }
+               put_chandef(msg, &chandef);
+               if (err)
+                       return err;
        }
 
        /* basic rates */
-- 
2.10.2