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X-Microsoft-Antispam-Message-Info: 4UtuoZnal2YxGpnKQqIVahLd95Y9bYGIQXo+bEi5bDDCr8p2F0xJ2iOK9kb/+vh3gMtgxq245yT2GZ1K2K0AL1KXPwVakeTSV57GJfMMaeVkvyEhFGQiWbu1bLp+t8hongU8fJ+cXbdcKZR4WXDJD2knLq4wErKXvbzUl1CtuC+v330sdSny5evE81hQxq0TjAr1Hzk1xq4+NLGKT9EDMgnFu6DOMr9biYj80+NRCqB9sEeW83YFWIC9AT0CR+uKyD+PmIgw7dh6v7WDFgsFXXtG5LitMDeyAKmA+K2HEx0iavF25ytKFTF+m8ZExWd478dNeWrh3HDz3isug4i+TnGGIlD3R7EhzYvrx0Z0081SPSSPFskaqFHougXnSdbRo3CV/jjYvEWMD4you7D+s3WojBEdd925Jl0S9xf/BolMIDU3TP+/GLuAF9xhAh7W X-MS-Exchange-AntiSpam-MessageData: 8EYTJpVYOwDGUvjQTsi2zSQC37F0fmDnGy4hGzmaAYbQo6kS7yx3PB7kNqch7g/vYzoCdnTdTTtL8EkJuFyJ/ki7yx80SrasV2DZAGpcU6aS3Wb6Lax7GDsc/6eWvxbGJb0GekDtRiGkaIJdxzoWfw== X-OriginatorOrg: quantenna.com X-MS-Exchange-CrossTenant-Network-Message-Id: 64378d33-b0bb-41cc-26aa-08d7e842bbd7 X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a355dbce-62b4-4789-9446-c1d5582180ff X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ZCm3KjBfxpmW9Fd8Lzq93xaycezI+Nym2Cl72rboXUsycYhSRwHqyHezzABcek4kZXxJJDBxEq0yup21YDInXN+immePOjCOuYe3QZFzGaKBkhY59e/a858bzM9VNBfBSHAgj0kxJyU70RjI3Okc6yBAkLBCRRV7+WNLkJaKvN7BAyZjwT5I5iwSfDUpfrgNTb8zupJYNHUTnNXyNpXGjg== X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Apr 2020 11:30:27.6270 (UTC) X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR05MB2489 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-24_04:2020-04-23,2020-04-24 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 malwarescore=0 adultscore=0 spamscore=0 clxscore=1015 impostorscore=0 mlxlogscore=999 lowpriorityscore=0 phishscore=0 bulkscore=0 suspectscore=1 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004240091 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Use command NL80211_CMD_SET_TID_CONFIG to perform per-node TID specific configuration. If peer is not specified, then configuration is applied to all the peers. Currently kernel supports configuration of the following parameters: - short/long retry - mpdu/msdu aggregation on/off - rts/cts on/off - noack on/off Examples: Apply configuration for specific peer and TIDs: $ iw dev wlan0 set tidconf peer 1:2:3:4:5:6 tids 0x3 ampdu off tids 0x2 sretry 10 lretry 100 $ iw dev wlan0 set tidconf peer 1:2:3:4:5:6 tids 0x1 override ampdu off amsdu off Apply configuration for all peers and all TIDs: $ iw dev wlan0 set tidconf tids 0xff ampdu off amsdu off sretry 10 lretry 100 noack off Apply configuration for all peers and specific TIDs: $ iw dev wlan0 set tidconf peer 0xff:0xff:0xff:0xff:0xff:0xff tids 0x1 ampdu off amsdu off Signed-off-by: Sergey Matyukevich --- interface.c | 229 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 229 insertions(+) diff --git a/interface.c b/interface.c index 6a44304..df96bed 100644 --- a/interface.c +++ b/interface.c @@ -727,3 +727,232 @@ COMMAND(switch, freq, "Switch the operating channel by sending a channel switch announcement (CSA)."); COMMAND(switch, channel, " [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] [beacons ] [block-tx]", NL80211_CMD_CHANNEL_SWITCH, 0, CIB_NETDEV, handle_chan, NULL); + + +static int toggle_tid_param(const char *argv0, const char *argv1, + struct nl_msg *msg, uint32_t attr) +{ + uint8_t val; + + if (strcmp(argv1, "on") == 0) { + val = NL80211_TID_CONFIG_ENABLE; + } else if (strcmp(argv1, "off") == 0) { + val = NL80211_TID_CONFIG_DISABLE; + } else { + fprintf(stderr, "Invalid %s parameter: %s\n", argv0, argv1); + return 2; + } + + NLA_PUT_U8(msg, attr, val); + return 0; + + nla_put_failure: + return -ENOBUFS; +} + +static int handle_tid_config(struct nl80211_state *state, + struct nl_msg *msg, + int argc, char **argv, + enum id_input id) +{ + struct nlattr *tids_array = NULL; + struct nlattr *tids_entry = NULL; + unsigned char peer[ETH_ALEN]; + int tids_num = 0; + char *end; + int ret; + enum { + PS_ADDR, + PS_TIDS, + PS_CONF, + } parse_state = PS_ADDR; + + while (argc) { + switch (parse_state) { + case PS_ADDR: + if (strcmp(argv[0], "peer") == 0) { + if (argc < 2) { + fprintf(stderr, "Not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + if (mac_addr_a2n(peer, argv[1])) { + fprintf(stderr, "Invalid MAC address\n"); + return 2; + } + + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); + + argc -= 2; + argv += 2; + parse_state = PS_TIDS; + + } else if (strcmp(argv[0], "tids") == 0) { + parse_state = PS_TIDS; + } else { + fprintf(stderr, "Peer MAC address expected\n"); + return HANDLER_RET_USAGE; + } + + break; + case PS_TIDS: + if (strcmp(argv[0], "tids") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + if (!tids_array) { + tids_array = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG); + if (!tids_array) + return -ENOBUFS; + } + + if (tids_entry) { + nla_nest_end(msg, tids_entry); + tids_num++; + } + + tids_entry = nla_nest_start(msg, tids_num); + if (!tids_entry) + return -ENOBUFS; + + NLA_PUT_U16(msg, NL80211_TID_CONFIG_ATTR_TIDS, strtol(argv[1], &end, 0)); + if (*end) { + fprintf(stderr, "Invalid TID mask value: %s\n", argv[1]); + return 2; + } + + argc -= 2; + argv += 2; + parse_state = PS_CONF; + } else { + fprintf(stderr, "TID mask expected\n"); + return HANDLER_RET_USAGE; + } + + break; + case PS_CONF: + if (strcmp(argv[0], "tids") == 0) { + parse_state = PS_TIDS; + } else if (strcmp(argv[0], "override") == 0) { + NLA_PUT_FLAG(msg, NL80211_TID_CONFIG_ATTR_OVERRIDE); + + argc -= 1; + argv += 1; + } else if (strcmp(argv[0], "ampdu") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + ret = toggle_tid_param(argv[0], argv[1], msg, + NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); + if (ret) + return ret; + + argc -= 2; + argv += 2; + } else if (strcmp(argv[0], "amsdu") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + ret = toggle_tid_param(argv[0], argv[1], msg, + NL80211_TID_CONFIG_ATTR_AMSDU_CTRL); + if (ret) + return ret; + + argc -= 2; + argv += 2; + } else if (strcmp(argv[0], "noack") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + ret = toggle_tid_param(argv[0], argv[1], msg, + NL80211_TID_CONFIG_ATTR_NOACK); + if (ret) + return ret; + + argc -= 2; + argv += 2; + } else if (strcmp(argv[0], "rtscts") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + ret = toggle_tid_param(argv[0], argv[1], msg, + NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL); + if (ret) + return ret; + + argc -= 2; + argv += 2; + } else if (strcmp(argv[0], "sretry") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + NLA_PUT_U8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT, strtol(argv[1], &end, 0)); + if (*end) { + fprintf(stderr, "Invalid short_retry value: %s\n", argv[1]); + return 2; + } + + argc -= 2; + argv += 2; + } else if (strcmp(argv[0], "lretry") == 0) { + if (argc < 2) { + fprintf(stderr, "not enough args for %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + NLA_PUT_U8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG, strtol(argv[1], &end, 0)); + if (*end) { + fprintf(stderr, "Invalid long_retry value: %s\n", argv[1]); + return 2; + } + + argc -= 2; + argv += 2; + } else { + fprintf(stderr, "Unknown parameter: %s\n", argv[0]); + return HANDLER_RET_USAGE; + } + + break; + default: + fprintf(stderr, "Failed to parse: internal failure\n"); + return HANDLER_RET_USAGE; + } + } + + if (tids_entry) + nla_nest_end(msg, tids_entry); + + if (tids_array) + nla_nest_end(msg, tids_array); + + return 0; + +nla_put_failure: + return -ENOBUFS; +} + +COMMAND(set, tidconf, "[peer ] tids [override] [sretry ] [lretry ] " + "[ampdu [on|off]] [amsdu [on|off]] [noack [on|off]] [rtscts [on|off]]", + NL80211_CMD_SET_TID_CONFIG, 0, CIB_NETDEV, handle_tid_config, + "Setup per-node TID specific configuration for TIDs selected by bitmask.\n" + "If MAC address is not specified, then supplied TID configuration\n" + "applied to all the peers.\n" + "Examples:\n" + " $ iw dev wlan0 tids 0x1 ampdu off\n" + " $ iw dev wlan0 tids 0x5 ampdu off amsdu off rtscts on\n" + " $ iw dev wlan0 tids 0x3 override ampdu on noack on rtscts on\n" + " $ iw dev wlan0 peer xx:xx:xx:xx:xx:xx tids 0x1 ampdu off tids 0x3 amsdu off rtscts on\n" + ); -- 2.11.0