Sorry for late response. Original patch is started below. ... Show the retry limit in phy details and also configure the retry limit. Signed-off-by: Ujjal Roy <royujjal@xxxxxxxxx> --- info.c | 16 ++++++++++++++++ phy.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) diff --git a/info.c b/info.c index a696503..001b317 100644 --- a/info.c +++ b/info.c @@ -246,6 +246,22 @@ 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; diff --git a/phy.c b/phy.c index 68f40f6..517d203 100644 --- a/phy.c +++ b/phy.c @@ -232,6 +232,70 @@ COMMAND(set, rts, "<rts threshold|off>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts, "Set rts threshold."); +static int handle_retry(struct nl80211_state *state, + struct nl_cb *cb, struct nl_msg *msg, + int argc, char **argv, enum id_input id) +{ + unsigned int retry_short = 0, retry_long = 0; + bool have_retry_s = false, have_retry_l = false; + int i; + enum { + S_NONE, + S_SHORT, + S_LONG, + } parser_state = S_NONE; + + if (!argc || (argc != 2 && argc != 4)) + return 1; + + for (i = 0; i < argc; i++) { + char *end; + unsigned int tmpul; + + if (strcmp(argv[i], "short") == 0) { + if (have_retry_s) + return 1; + parser_state = S_SHORT; + have_retry_s = true; + } else if (strcmp(argv[i], "long") == 0) { + if (have_retry_l) + return 1; + parser_state = S_LONG; + have_retry_l = true; + } else { + tmpul = strtoul(argv[i], &end, 10); + if (*end != '\0') + return 1; + if (!tmpul || tmpul > 255) + return -EINVAL; + switch (parser_state) { + case S_SHORT: + retry_short = tmpul; + break; + case S_LONG: + retry_long = tmpul; + break; + default: + return 1; + } + } + } + + if (!have_retry_s && !have_retry_l) + return 1; + if (have_retry_s) + NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, retry_short); + if (have_retry_l) + NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, retry_long); + + return 0; + nla_put_failure: + return -ENOBUFS; +} +COMMAND(set, retry, "[short <limit>] [long <limit>]", + NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_retry, + "Set retry limit."); + static int handle_netns(struct nl80211_state *state, struct nl_cb *cb, struct nl_msg *msg, -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html