]> git.ipfire.org Git - thirdparty/iw.git/blobdiff - info.c
iw: bump version to 4.7
[thirdparty/iw.git] / info.c
diff --git a/info.c b/info.c
index 3d4eaebe590fb3426c1491a64f47e29c4d865aee..32de0af1bba18b932f34852fb8895bc4c15734f1 100644 (file)
--- a/info.c
+++ b/info.c
@@ -1,6 +1,4 @@
 #include <stdbool.h>
-#include <errno.h>
-#include <net/if.h>
 
 #include <netlink/genl/genl.h>
 #include <netlink/genl/family.h>
@@ -63,6 +61,18 @@ static char *dfs_state_name(enum nl80211_dfs_state state)
        }
 }
 
+static int ext_feature_isset(const unsigned char *ext_features, int ext_features_len,
+                            enum nl80211_ext_feature_index ftidx)
+{
+       unsigned char ft_byte;
+
+       if ((int) ftidx / 8 >= ext_features_len)
+               return 0;
+
+       ft_byte = ext_features[ftidx / 8];
+       return (ft_byte & BIT(ftidx % 8)) != 0;
+}
+
 static int print_phy_handler(struct nl_msg *msg, void *arg)
 {
        struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
@@ -74,8 +84,8 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
        static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
                [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
                [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
-               [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
-               [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
+               [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
+               [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
                [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
                [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
        };
@@ -172,10 +182,16 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
                                                print_flag("disabled", &open);
                                                goto next;
                                        }
-                                       if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
-                                               print_flag("passive scanning", &open);
-                                       if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
-                                               print_flag("no IBSS", &open);
+
+                                       /* If both flags are set assume an new kernel */
+                                       if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) {
+                                               print_flag("no IR", &open);
+                                       } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) {
+                                               print_flag("passive scan", &open);
+                                       } else if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]){
+                                               print_flag("no ibss", &open);
+                                       }
+
                                        if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
                                                print_flag("radar detection", &open);
 next:
@@ -183,17 +199,21 @@ next:
                                                printf(")");
                                        printf("\n");
 
-                               if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
-                                       enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
-                                       unsigned long time;
+                                       if (!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED] && tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
+                                               enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
+                                               unsigned long time;
 
-                                       printf("\t\t\t  DFS state: %s", dfs_state_name(state));
-                                       if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) {
-                                               time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]);
-                                               printf(" (for %lu sec)", time/1000);
+                                               printf("\t\t\t  DFS state: %s", dfs_state_name(state));
+                                               if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) {
+                                                       time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]);
+                                                       printf(" (for %lu sec)", time/1000);
+                                               }
+                                               printf("\n");
+                                               if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME])
+                                                       printf("\t\t\t  DFS CAC time: %u ms\n",
+                                                              nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]));
                                        }
-                                       printf("\n");
-                               }
+
                                }
                        }
 
@@ -222,6 +242,21 @@ next:
        if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
                printf("\tmax scan IEs length: %d bytes\n",
                       nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
+       if (tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
+               printf("\tmax # sched scan SSIDs: %d\n",
+                      nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]));
+       if (tb_msg[NL80211_ATTR_MAX_MATCH_SETS])
+               printf("\tmax # match sets: %d\n",
+                      nla_get_u8(tb_msg[NL80211_ATTR_MAX_MATCH_SETS]));
+       if (tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS])
+               printf("\tmax # scan plans: %d\n",
+                      nla_get_u32(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]));
+       if (tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL])
+               printf("\tmax scan plan interval: %d\n",
+                      nla_get_u32(tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]));
+       if (tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS])
+               printf("\tmax scan plan iterations: %d\n",
+                      nla_get_u32(tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]));
 
        if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
                unsigned int frag;
@@ -239,6 +274,22 @@ next:
                        printf("\tRTS threshold: %d\n", rts);
        }
 
+       if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT] ||
+           tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) {
+               unsigned char retry_short = 0, retry_long = 0;
+
+               if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT])
+                       retry_short = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]);
+               if (tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG])
+                       retry_long = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]);
+               if (retry_short == retry_long) {
+                       printf("\tRetry short long limit: %d\n", retry_short);
+               } else {
+                       printf("\tRetry short limit: %d\n", retry_short);
+                       printf("\tRetry long limit: %d\n", retry_long);
+               }
+       }
+
        if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
                unsigned char coverage;
 
@@ -429,9 +480,10 @@ broken_combination:
                        [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
                        [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
                        [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
+                       [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_U32 },
                        [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
                };
-               struct nl80211_wowlan_pattern_support *pat;
+               struct nl80211_pattern_support *pat;
                int err;
 
                err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
@@ -449,12 +501,13 @@ broken_combination:
                        if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
                                printf("\t\t * wake up on magic packet\n");
                        if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
+                               unsigned int len = nla_len(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
+
                                pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
                                printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes,\n"
                                        "\t\t   maximum packet offset %u bytes\n",
                                        pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len,
-                                       (nla_len(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) <
-                                       sizeof(*pat)) ? 0 : pat->max_pkt_offset);
+                                       len < sizeof(*pat) ? 0 : pat->max_pkt_offset);
                        }
                        if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
                                printf("\t\t * can do GTK rekeying\n");
@@ -466,6 +519,9 @@ broken_combination:
                                printf("\t\t * wake up on 4-way handshake\n");
                        if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
                                printf("\t\t * wake up on rfkill release\n");
+                       if (tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT])
+                               printf("\t\t * wake up on network detection, up to %d match sets\n",
+                                      nla_get_u32(tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT]));
                        if (tb_wowlan[NL80211_WOWLAN_TRIG_TCP_CONNECTION])
                                printf("\t\t * wake up on TCP connection\n");
                }
@@ -479,8 +535,10 @@ broken_combination:
 
        if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
                struct ieee80211_ht_cap *cm;
+               unsigned int len = nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
+
                printf("\tHT Capability overrides:\n");
-               if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
+               if (len >= sizeof(*cm)) {
                        cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
                        printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
                               " %02hhx %02hhx %02hhx %02hhx\n",
@@ -519,41 +577,112 @@ broken_combination:
                        printf("\tDevice accepts cell base station regulatory hints.\n");
                if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
                        printf("\tP2P Device uses a channel (of the concurrent ones)\n");
+               if (features & NL80211_FEATURE_SAE)
+                       printf("\tDevice supports SAE with AUTHENTICATE command\n");
                if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
                        printf("\tDevice supports low priority scan.\n");
                if (features & NL80211_FEATURE_SCAN_FLUSH)
                        printf("\tDevice supports scan flush.\n");
                if (features & NL80211_FEATURE_AP_SCAN)
                        printf("\tDevice supports AP scan.\n");
+               if (features & NL80211_FEATURE_VIF_TXPOWER)
+                       printf("\tDevice supports per-vif TX power setting\n");
+               if (features & NL80211_FEATURE_NEED_OBSS_SCAN)
+                       printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n");
+               if (features & NL80211_FEATURE_P2P_GO_CTWIN)
+                       printf("\tP2P GO supports CT window setting\n");
+               if (features & NL80211_FEATURE_P2P_GO_OPPPS)
+                       printf("\tP2P GO supports opportunistic powersave setting\n");
+               if (features & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
+                       printf("\tDriver supports full state transitions for AP/GO clients\n");
+               if (features & NL80211_FEATURE_USERSPACE_MPM)
+                       printf("\tDriver supports a userspace MPM\n");
+               if (features & NL80211_FEATURE_ACTIVE_MONITOR)
+                       printf("\tDevice supports active monitor (which will ACK incoming frames)\n");
+               if (features & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
+                       printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n");
+               if (features & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
+                       printf("\tDevice adds DS IE to probe requests\n");
+               if (features & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
+                       printf("\tDevice adds WFA TPC Report IE to probe requests\n");
+               if (features & NL80211_FEATURE_QUIET)
+                       printf("\tDevice supports quiet requests from AP\n");
+               if (features & NL80211_FEATURE_TX_POWER_INSERTION)
+                       printf("\tDevice can update TPC Report IE\n");
+               if (features & NL80211_FEATURE_ACKTO_ESTIMATION)
+                       printf("\tDevice supports ACK timeout estimation.\n");
+               if (features & NL80211_FEATURE_STATIC_SMPS)
+                       printf("\tDevice supports static SMPS\n");
+               if (features & NL80211_FEATURE_DYNAMIC_SMPS)
+                       printf("\tDevice supports dynamic SMPS\n");
+               if (features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
+                       printf("\tDevice supports WMM-AC admission (TSPECs)\n");
+               if (features & NL80211_FEATURE_MAC_ON_CREATE)
+                       printf("\tDevice supports configuring vdev MAC-addr on create.\n");
+               if (features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)
+                       printf("\tDevice supports TDLS channel switching\n");
+       }
+
+       if (tb_msg[NL80211_ATTR_EXT_FEATURES]) {
+               struct nlattr *tb = tb_msg[NL80211_ATTR_EXT_FEATURES];
+
+               if (ext_feature_isset(nla_data(tb), nla_len(tb),
+                                     NL80211_EXT_FEATURE_VHT_IBSS))
+                       printf("\tDevice supports VHT-IBSS.\n");
+       }
+
+       if (tb_msg[NL80211_ATTR_TDLS_SUPPORT])
+               printf("\tDevice supports T-DLS.\n");
+
+       if (tb_msg[NL80211_ATTR_COALESCE_RULE]) {
+               struct nl80211_coalesce_rule_support *rule;
+               struct nl80211_pattern_support *pat;
+
+               printf("\tCoalesce support:\n");
+               rule = nla_data(tb_msg[NL80211_ATTR_COALESCE_RULE]);
+               pat = &rule->pat;
+               printf("\t\t * Maximum %u coalesce rules supported\n"
+                      "\t\t * Each rule contains upto %u patterns of %u-%u bytes,\n"
+                      "\t\t   maximum packet offset %u bytes\n"
+                      "\t\t * Maximum supported coalescing delay %u msecs\n",
+                       rule->max_rules, pat->max_patterns, pat->min_pattern_len,
+                       pat->max_pattern_len, pat->max_pkt_offset, rule->max_delay);
        }
 
        return NL_SKIP;
 }
 
+static bool nl80211_has_split_wiphy = false;
+
 static int handle_info(struct nl80211_state *state,
-                      struct nl_cb *cb,
                       struct nl_msg *msg,
                       int argc, char **argv,
                       enum id_input id)
 {
-       nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL);
-       /* kernels not supporting it will ignore this */
-       nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+       char *feat_args[] = { "features", "-q" };
+       int err;
+
+       err = handle_cmd(state, CIB_NONE, 2, feat_args);
+       if (!err && nl80211_has_split_wiphy) {
+               nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+               nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP;
+       }
+
+       register_handler(print_phy_handler, NULL);
 
        return 0;
 }
-__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, 0, CIB_PHY, handle_info,
+__COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
         "Show capabilities for the specified wireless device.", NULL);
 TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
         "List all wireless devices and their capabilities.");
 TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);
 
-static int handle_commands(struct nl80211_state *state,
-                          struct nl_cb *cb, struct nl_msg *msg,
+static int handle_commands(struct nl80211_state *state, struct nl_msg *msg,
                           int argc, char **argv, enum id_input id)
 {
        int i;
-       for (i = 1; i < NL80211_CMD_MAX; i++)
+       for (i = 1; i <= NL80211_CMD_MAX; i++)
                printf("%d (0x%x): %s\n", i, i, command_name(i));
        /* don't send netlink messages */
        return 2;
@@ -565,6 +694,8 @@ static int print_feature_handler(struct nl_msg *msg, void *arg)
 {
        struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
        struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+       bool print = (unsigned long)arg;
+#define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0)
 
        nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
                  genlmsg_attrlen(gnlh, 0), NULL);
@@ -572,21 +703,23 @@ static int print_feature_handler(struct nl_msg *msg, void *arg)
        if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) {
                uint32_t feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
 
-               printf("nl80211 features: 0x%x\n", feat);
-               if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
-                       printf("\t* split wiphy dump\n");
+               maybe_printf("nl80211 features: 0x%x\n", feat);
+               if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) {
+                       maybe_printf("\t* split wiphy dump\n");
+                       nl80211_has_split_wiphy = true;
+               }
        }
 
        return NL_SKIP;
 }
 
-static int handle_features(struct nl80211_state *state,
-                          struct nl_cb *cb, struct nl_msg *msg,
+static int handle_features(struct nl80211_state *state, struct nl_msg *msg,
                           int argc, char **argv, enum id_input id)
 {
-       nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_feature_handler, NULL);
+       unsigned long print = argc == 0 || strcmp(argv[0], "-q");
+       register_handler(print_feature_handler, (void *)print);
        return 0;
 }
 
-TOPLEVEL(features, NULL, NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE,
+TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE,
         handle_features, "");